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Results for: ""
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If you liked last winter, you'll like this one. If not, you won't.
The Pacific ocean continues to be dominated by the Pacific Decadal Oscillation, an above norma... More |
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Artists concept of Jason-1 ground track. Image credit: NASA/JPL-Caltech ... More |
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Dr. Lee-Lueng Fu - OST Project Scientist ... More |
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Jason-1 launch, December 7, 2001.Image credit: NASA/JPL December 7,... More |
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Anny Cazenave France has named Ocean Surface Topography science tea... More |
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Dr. Josh Willis New NASA measurements of the Atlantic Meridio... More |
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Oceanographer Dr. Josh Willis is among four JPL researchers to be named winners of the 2009 Lew Allen Award for Excellence. Josh, from the Ocean Circulation Group (3244), was cited for fundamental co... More |
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Three Ocean Surface Technology Science Team members have been named the recipients of two of NASA's most prestigious awards this spring. ... More |
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See the development of the recent Pacific Ocean conditions, 1993-2009. MPEG (15.6 MB)... More |
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Lee-Lueng Fu and Yves Ménard JPL senior research scienti... More |
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A new way of looking into hurricanes may help forecasters predict the extent of damaging winds and waves. JPL researchers Kenneth Oslund and Philip Callahan have developed a new technique using wave h... More |
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The tropical Pacific Ocean has transitioned from last winter's El Niño conditions to a cool La Niña, as shown by new data about sea surface heights, collected by the U.S-French Ocean Sur... More |
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The latest U.S.-French TOPEX/Poseidon satellite imagery shows the persistent La Niña pattern continues to dominate the Pacific Ocean in a very similar manner to this time last year. For more th... More |
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After dominating the tropical Pacific Ocean for more than two years, the 1998-2000 La Niña "cool pool" is continuing its slow fade and seems to be retiring from the climate stage, according to ... More |
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Recent sea-level height data from the Jason-1 altimetric satellite show that continuing weaker-than-normal trade winds in the western and central equatorial Pacific have triggered another strong, east... More |
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The tropical Pacific Ocean remains in the grips of a cool La Niña, as shown by new data of sea-level heights from mid-October of 2007, collected by the U.S-French Jason altimetric satellite. Th... More |
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Boosted by the influence of a larger climate event in the Pacific, one of the strongest La Niñas in many years is slowly weakening but continues to blanket the Pacific Ocean near the equator, a... More |
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The latest image of sea-surface height measurements from the U.S./French Jason-1 oceanography satellite shows the Pacific Ocean remains locked in a strong, cool phase of the Pacific Decadal Oscillatio... More |
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The North Pacific Ocean continues to run hot and cold, with abnormally low sea levels and cool waters in the northeastern Pacific contrasting with unusually high sea levels and warm waters in the nort... More |
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Link to Full Res ... More |
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The Argonautica team shows off their freshly completed buoy. ... More |
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After three years of El Niño and La Niña with their often devastating climate consequences, the Pacific is finally calming down in the tropics but still shows signs of being abnormal els... More |
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The Pacific Ocean doesn't show signs of anything that looks like the whopper El Niño of 1997-1998, according to the latest information from the U.S.-French ocean-observing satellite Topex/Posei... More |
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In March, westerly wind bursts (i.e., east-blowing winds) north of Australia triggered an oceanic "Kelvin" wave that travelled eastward towards the Americas. This allowed warm water to move away from... More |
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About one month after being triggered by east-blowing winds near Australia, an oceanic "Kelvin" wave reached South America. During this period, the oceanic pulse travelled over one-third the circumfe... More |
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In May, warm water started piling up against the South American continent. The white area of sea level height 5 to 12 inches above normal (and warmer than normal by 3-5 degrees Fahrenheit) formed a "V... More |
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In June, the white area of high sea level began to spread along the coasts of both the North and South America.
Because higher-than-normal sea level corresponded to warmer-than-normal water, the fis... More |
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In July, the white area of high sea level exceeded one-and-one-half times the area of the continental U.S.
At this time, the volume of associated warmer-than-average water equaled 30 times ... More |
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In August, the white area of sea level 5 to 12 inches above normal (and warmer than normal by 3-5 degrees Fahrenheit) extended from the American coast to the International Date Line.
Near A... More |
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Pacific Ocean sea-surface height measurements and atmospheric water vapor information taken from two independent Earth-orbiting satellites are providing more convincing evidence that the weather-disru... More |
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This image of the Pacific Ocean was produced using sea surface height measurements taken by the U.S./French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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These images of the Pacific Ocean near Indonesia were produced using sea surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The images show sea surface height relative to n... More |
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This image of the Pacific Ocean was produced using sea surface height measurements taken by the U.S./French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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This image shows atmospheric water vapor in Earth's upper troposphere, about 10 kilometers (6 miles) above the surface, as measured by the Microwave Limb Sounder (MLS) instrument flying aboard the Upp... More |
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This image of the Pacific Ocean was produced using sea surface height measurements taken by the U.S./French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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This image of the Pacific Ocean was produced using sea surface height measurements taken by the U.S./French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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This image of the Pacific Ocean was produced using sea surface height measurements taken by the U.S./French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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This image of the Pacific Ocean was produced using sea surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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This image of the Pacific Ocean was produced using sea surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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(Top image - P49502)
This image shows differences in atmospheric water vapor relative to a normal (average) year in the Earth's upper troposphere about 10 kilometers (6 miles) above the surface. Th... More |
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This image of the Pacific Ocean was produced using sea surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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(Top image - P49651ac)
This image shows differences in atmospheric water vapor relative to a normal (average) year in the Earth's upper troposphere about 10 kilometers (6 miles) above the surface. T... More |
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This image of the Pacific Ocean was produced using sea surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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This image of the Pacific Ocean was produced using sea-surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea-surface height relative to normal ocean condit... More |
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This image displays wind measurements taken by the satellite-borne NASA Scatterometer (NSCAT) during the last 10 days of May 1997, showing the relationship between the ocean and the atmosphere at the... More |
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This image of the Pacific Ocean was produced using sea-surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea-surface height relative to normal ocean condit... More |
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This image of the Pacific Ocean was produced using sea-surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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This image of the Pacific Ocean was produced using sea-surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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This image of the Pacific Ocean was produced using sea-surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condi... More |
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This image of the Pacific Ocean was produced using sea-surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condi... More |
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This image of the Pacific Ocean was produced using sea-surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condi... More |
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This image of the Pacific Ocean was produced using sea-surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condi... More |
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This image of the Pacific Ocean was produced using sea-surface height measurements taken by the U.S.-French TOPEX/Poseidon satellite. The image shows sea surface height relative to normal ocean condit... More |
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The cold pool of water in the Pacific known as "La Niña" still persists, although it is slowly weakening, according to scientists studying new data from the U.S.-French TOPEX/Poseidon satellite.
... More |
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The cold pool of water in the Pacific known as "La Niña" is beginning to fade, but ocean conditions have not returned to normal, according to scientists studying new images from the U.S.-French ... More |
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New sea surface height measurements from the TOPEX/Poseidon satellite show that the sea level and temperature of the entire Pacific is "out of balance," including a large area of abnormally cool water... More |
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Lingering just a month ago in the eastern Pacific Ocean, the La Niña phenomenon, with its large volume of chilly water, barely has a pulse this month, according to new satellite data from the U.S... More |
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A repeat of last year's mild La Nina conditions -- with a stormy winter in the Pacific Northwest and a dry winter in the southwestern United States -- will be the likely outcome of sea-surface heights... More |
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Unusually warm ocean temperatures off Asia and cool waters in the eastern and equatorial Pacific are signaling La Nina's mild return, according to the latest sea-surface heights observed by the joint ... More |
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JPL Oceanographer Dr. William Patzert JPL Oceanographer Dr. William Patzert is the 2010 recipient of the American Geophysical Union Athelstan Spilhaus Award. This honor recognizes AGU members who have... More |
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These data, taken during a 10-day collection cycle ending August 18, 2001, show that above-normal sea-surface heights and warmer ocean temperatures (indicated by the red and white areas) still blanket... More |
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A giant horseshoe pattern of higher than normal sea-surface heights developing over the last year is beginning to dominate the entire western Pacific and Asiatic oceans, new imagery from the U.S.-Fren... More |
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The El Niño and La Niña events of the past few years may have faded into climate history, but the Pacific Ocean has not calmed down. The latest satellite data from the U.S.-French TOPEX/... More |
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While change may be on the way, the Pacific is still dominated by the strong, larger-than-El Niño/La Niña pattern called the Pacific Decadal Oscillation (PDO), according to the latest data f... More |
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The cooler and drier conditions in Southern California over the last few years appear to be a direct result of a long-term ocean pattern known as the Pacific Decadal Oscillation (PDO), according to re... More |
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The latest remote sensing data from NASA's Jason satellite show near normal conditions across the equatorial Pacific Ocean. As we enter the Atlantic Ocean hurricane season, there are currently no visi... More |
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In September 2006, NASA satellite data indicated that El Niño had returned to the tropical Pacific Ocean, although it was relatively weak. As of early October, scientists were not sure if the e... More |
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New data of sea-level heights from early February, 2007, by the Jason
altimetric satellite show that the tropical Pacific Ocean has transitioned
from a warm (El Niño) to a cool (La Niña)... More |
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For the first time, a hurricane storm surge has been observed by an ocean altimeter. The panels here depict significant wave height, wind speed and the residual sea level anomaly during Hurricane Ka... More |
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Oceanography 101 HTML PPT - 9 MB MPEG - 24.6 MB ... More |
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Figure 1: Line drawing of Jason-2 instrument package showing advanced microwave radiometer on top.Image credit: NASA/JPL-Caltech
... More |
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Related Article: Perhaps the best weatherman in town (LA Times)
Average temperatures warmed in nearly all parts of California between 1950 to 2000.
Image credit: NASA/JPL/Cal State L.A.
... More |
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For the first time, NASA has the tools and expertise tounderstand the rate at which sea level is changing, some ofthe mechanisms that drive those changes and the effects thatsea level change may have ... More |
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The 2002-03 El Niño has resisted stereotypes with its unpredictable behavior.
Sometimes Earth scientist Bill Patzert wishes he had a degree in psychology. It might help him understand El Ni&n... More |
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Article courtesy of JPL
When a friend asked Jorge Vazquez to speak eight years ago to a group of high school students about his job and Earth science, the JPL oceanographer reluctantly said yes. "I ... More |
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Article courtesy of JPL
For the first time, orbiting satellites have observed and measured a major tsunami event in open ocean, the Indian Ocean tsunami that resulted from the m... More |
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Recent sea level height data from the U.S./France Jason altimetric satellite during a 10-day cycle ending June 15, 2004, shows that Pacific equatorial surface ocean heights and temperatures are near n... More |
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Recent sea-level height data from the U.S./France Jason altimetric satellite during a 10-day cycle ending July 27, 2004, show that weaker than normal trade winds in the western and central equatorial ... More |
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Recent sea-level height data from the U.S./France Jason altimetric satellite during a 10-day cycle ending November 15, 2004, show that the central equatorial Pacific continues to exhibit an area of hi... More |
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"It was the best of times, it was the worst of times...." The same event can have dramatically different outcomes. For some, an El Niño means a welcome respite from bitter winter weather and h... More |
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A study of the effect of warm core rings in the Gulf of Mexico on hurricanes using altimetry data earned high school senior Justin Kovac seventh place in the prestigious 2005 Intel Science Talent Sear... More |
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Dr. Josh Willis conducting an oceanographic experiment studying sea temperatures between New Zealand and Hawaii. ... More |
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Screen capture of the web interface. ... More |
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Successful space missions require much more than just great technology, they need dedicated people to create them, operate them and make the most of the information they provide. Leading the... More |
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Advanced Microwave Radiometer Team, Mohamed Abid (kneeling, third from left)
Image credit: NASA/JPL-Caltech
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The President of the United States has proclaimed June 2007 as National Ocean Month. This is a fine opportunity to reinforce the commitment of the Jason-1 mission and JPL to understanding and protecti... More |
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We are very pleased to announce that two members of the Ocean Surface Topography science team have won prestigious American Meteorological Society Awards: Dr. Richard D. Ray has won the Verner ... More |
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The OSTM/Jason-2 spacecraft arrives at Vandenberg Air Force Base, Calif., following its trans-Atlantic flight from France. Image credit: NASA ... More |
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One of JPL's most accomplished and critical oceanography studies continues with the launch of the Ocean Surface Topography Mission on the Jason-2 satellite, scheduled for June 2008 from Vandenberg Air... More |
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Diablo Canyon Power Plant
Ocean conditions have a big effect on operations at the Diablo Canyon Power Plant.
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JPL Director Charles Elachi, Josh Willis, and Bill Patzert ... More |
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Yves Ménard
Tribute to a colleague and a friend
One of my last memories of Yves was when he told me about his cancer and
what lay ahead for him. He approached the pro... More |
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Artists concept of Jason-1 ... More |
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NASA's ocean surface topography 'family portrait'; TOPEX/Poseidon, Jason-1, and Jason-2. View larger image. ... More |
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John Sears: A senior studying meteorology at Plymouth State University in New Hampshire. ... More |
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View larger animation
Gulf Stream as seen by Jason-2
This image (left) shows a close up view of the Gulf Stream ocean current off of the east coast of th... More |
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Drs. Bill Patzert and Josh Willis of Caltech's Jet Propulsion Laboratory ... More |
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Ever since a "World Ocean Day" concept was first proposed in 1992, many organizations around the world have used June 8th as an annual opportunity to celebrate the ocean in support of education and co... More |
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"NASA Headquarters successfully nominated Dr. Josh Willis for a Presidential Early Career Award. Josh's Award speaks well for his accomplishments and the strong ocean science programs at both NAS... More |
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View Related News Video Using Jason-2 altimetry data, NASA scientists are closely monitoring the recent Pacific El Niño warming. Since El Niño has been quiet since the histori... More |
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Dr. Josh Willis Congratulations to Ocean Surface Topography Deputy Projec... More |
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JPL Climate Day 2010
"Bringing Scientists, Students, and Communities together to
Promote Global Climate Literacy"
Save the Dates!
March 26th and 27th
9:00am - 3:00pm
Pasadena Convention Center
Con... More |
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Tropical cyclones may feed and grow stronger on ocean heat, and a new Google Earth application based on satellite altimetry observations shows where they may find it. The application maps the heat con... More |
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Article courtesy of JPL NEWS RELEASE: 08-189 OSTM/Jason-2 map of sea-level anomalies from July 4 to July 14, 2008 (above). C... More |
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As Hurricane Isabel slammed into the North Carolina Coast this month, TOPEX/Poseidon and Jason-1 orbited
calmly overhead. Below are the images.
For more information, visit the ... More |
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Article courtesy of JPL
Imagine a place where the roads change constantly and last month's map may be completely out of date. That's the ocean.
Knowing where the curren... More |
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A new NASA study concludes that more energy is being absorbed from the Sun than is emitted back to space, warming the globe.
The study compares ocean warming estimates based on data from the TOPEX/P... More |
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Hundreds of college students along with their professors got a first hand look at ocean topography and altimetry when Jason
PI Gustavo Goni came aboard their floating campus this spri... More |
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Global mean sea level
Link ... More |
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Deployment location of the six drifters and floats during the MV Explorer transect between Cape Town and Salvador in April 2005.
... More |
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Figure 1. Altimetry-derived sea surface height (color,
yellows are higher and blues are lower) and surface current directions
(arrows) highlight the Loop Current and a warm ring... More |
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Quicktime
(with caption - 12 MB): Narrated overview of how spacecraft monitor hurricanes... More |
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The migration route of one Bluefin Tuna over a two year period, and tagging a Southern Bluefin Tuna.
Source: Stanford University
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Artists concept of TOPEX/Poseidon.
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Dr. Bill Patzert explains how the Jason-1 satellite measures sea surface height.
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Web-based forecast showing surface current field in Gulf of Mexico.
... More |
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Significant wave height and wind direction from NOAA WaveWatch III Model.
Geostrophic currents and drift trajectories.
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Mean sea level
Image Credit: Univ. Colorado
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The Ocean Surface Topography Mission on board the Jason-2 satellite (OSTM/Jason-2) slated to launch
in June 2008 will continue the long-term collection of sea-surface height data, whi... More |
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An Argo float shortly before recovery by the Japan Coast Guard vessel Takuyo. Image credit: Japan Coast Guard
... More |
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Jason-2 satellite bus integration Image credit: CNES and Alcatel
... More |
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Related Features:- A Q&A with Two Mission Leaders
- Latest Image Release
--->
... More |
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A sea lion shares his intimate knowledge of the ocean with researchers via an electronic tag.
Image credit: Mike Weise
... More |
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In August 2006, New York educator, Jacob Tanenbaum participated in the Satellites and Education Conference held in Los Angeles, California where he attended a presentation by Jet Propulsion Laboratory... More |
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New York's Cottage Lane Elementary School's student constructed Argonautica drifter buoy was successfully deployed on 23 May 2007.
Argonautica is the CNES-sponsored oceanography education pr... More |
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ESA and CNES announce the release of the Basic Radar Altimetry Toolbox (BRAT), a set of software and information dedicated to radar altimetry satellites, developed by CLS.
For more than 16 years, sin... More |
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Download the PDF (2.3 MB).
... More |
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Laura Faye Tenenbaum
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This photo shows the Advanced Microwave Radiometer (AMR).
... More |
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Just because instruments designed to fly on a satellite do well when tested individually on the ground doesn't mean the whole satellite will function properly once it's flying in space. To make sure e... More |
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This image shows the data from TOPEX/Jason-1 (top), and the combined data from TOPEX/Jason-1 and ERS-1 (bottom).Image credit: NASA/JPL-Caltech/Chelton, et al, 2007
... More |
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This map shows how currents could affect the rowers' course. On Dec. 27, the rowers (magenta line) reached the outer edge of the most energetic zone, where the risk of strong adverse currents is high.... More |
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We are very pleased to announce that two members of the Ocean Surface Topography science team have been elected as 2008 American Geophysical Union Fellows.
Fellows of AGU are members who have ... More |
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Watch the video - Hot Topic: EarthScientists and educators teach students about climate change and its impact on Earth.
... More |
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In economics, there's a metaphor that says "a rising tide lifts all boats," meaning overall improvement in the economy benefits everyone. While that's a good thing in economics, when it comes to our o... More |
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A space-based perspective enables the of mapping large-scale ocean phenomena, such as the 2007 La Niña above. The more scientists learn about ocean surface topography, the better they can apply... More |
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"Follow the water" has been a strategy behind the latest Mars explorations. Scientists from NASA and CNES, the French space agency, want to take that concept in a different direction and apply it to E... More |
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It is June 20, 2008, 12:46 a.m. at Vandenberg Air Force Base, Calif. The weather is chilly, but chilly weather does nothing to cool the heated excitement of hundreds of people here to witness of the l... More |
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Ocean altimeters, such as those on NASA's TOPEX/Poseidon and Jason-1 satellites, "see" hurricanes with a different
eye. Altimeters measure the height of the sea surface, which is typically higher in ... More |
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Artist concept of OSTM/Jason-2 in space. Full res (2.1 MB)Image credit: NASA/JPL-Caltech ... More |
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Pools of warm water known as Kelvin waves can be seen traveling eastward along the equator (black line) in this Sept. 17, 2009, image from the NASA/French Space Agency Ocean Surface Topography Mission... More |
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El Niño is experiencing a late-fall resurgence. Recent sea-level height data from the NASA/European Ocean Surface Topography Mission/Jason-2 oceanography satellite show that a large-scale, sust... More |
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The latest image of Pacific Ocean sea surface heights from the NASA/European Ocean Surface Topography Mission/Jason-2 oceanography satellite, dated , shows that the tropical Pacific has switched from ... More |
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Article courtesy of JPL
Oceanographer Dr. William Patzert, of NASA's Jet Propulsion Laboratory, Pasadena, Calif., will
discuss one of the planet's m... More |
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Article courtesy of JPL
If the producers of Jeopardy do call Sara
Hyman, who recently passed the game
show's qualifying tests, she won't ... More |
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Article courtesy of JPL
Artists concept of the Tandem Mission
... More |
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Article courtesy of JPL
The rate of coastal ero... More |
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This image from the TOPEX/Poseidon
satellite shows preliminary results of wave height over the
global ocean as measured by the Ku-band NASA altimeter. The
data were recorded from Sept. 25 to Oct. 4, 1... More |
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Ocean Topography is a measure of sea level relative to
Earth's geoid, a surface on which the gravity field is
uniform. Oceanographers use ocean topography maps to
calculate the speed and direction of ... More |
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TOPEX/Poseidon surveys sea-level heights by measuring the
time required for pulses generated by the onboard radar
altimeters to bounce back to the satellite from the sea
surface. This indicates the di... More |
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TOPEX/Poseidon surveys sea-level heights by measuring the
time required for pulses generated by the onboard radar
altimeters to bounce back to the satellite from the sea
surface. Water vapor in the at... More |
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The image shows the global distribution of wind
speed as observed by TOPEX/Poseidon's dual-frequency radar
altimeter from October 3 to October 12, 1992. Wind speed is
determined by the strength of the... More |
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The seas of Earth are in constant motion. Large systems
of highs and lows (liquid hills and valleys) develop in the
oceans' surface as a result of ocean currents. These highs
and lows are permanent fe... More |
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Ocean seasons are measured by comparing seasonal
variations in sea level to the yearly average. The highest
sea level -- shown as the large areas of red in the fall
image -- is caused by summer heatin... More |
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Eddies are swirls of water currents that are spun off
from a main current or that are forced by the wind. Ocean
eddies may persist from weeks to months, have diameters of
tens to hundreds of kilometer... More |
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This image compares a computer simulation (top) with observations (bottom) of Pacific Ocean sea levels during December 1994. The colors show the sea level relative
to a 2-year mean averaged over 1993 ... More |
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This sequence of 3 TOPEX/Poseidon "snapshots" show sea surface height data in the Pacific Ocean. White and red indicated higher than average levels; purple and
magenta indicate lower than average leve... More |
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TOPEX/Poseidon's continuous observation of global sea
surface height has provided unparalleled opportunities to
address a wide array of scientific issues. Uses of ocean
altimetry data range from monit... More |
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This TOPEX/Poseidon image of sea-surface heights was taken during a 10-day
collection cycle ending August 7, 2002. Sea-surface heights are a measure of how
much heat is stored in the ocean below to in... More |
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The latest image from NASA's Jason oceanography satellite, taken during a 10-day collection cycle ending December 2, 2002, shows the Pacific dominated by
two significant areas of higher-than-normal se... More |
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The latest image from NASA's Jason oceanography satellite, taken during a 10-day
collection cycle ending April 2, 2003, shows that the warm, high sea level El Niño
pool of the past winter is hi... More |
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Since the weak El Niño event of last winter, the equatorial Pacific has
cooled and oceanographers have been on a La Niña "watch." Thus far,
equatorial waters have seesawed between coolin... More |
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Some climate forecast models indicate there is an above average chance that
there could be a weak to borderline El Niño by the end of November 2003.
However, the trade winds, blowing from east to west... More |
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Recent sea-level height data from the U.S./France Jason altimetric satellite during a
10-day cycle ending, show that the central equatorial Pacific continues
to exhibit an area of higher-than-normal s... More |
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The tropical Pacific Ocean is beginning to exhibit the characteristics of
a developing La Niña condition. This image shows that the gradual cooling
of the central equatorial Pacific over the pa... More |
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The most recent sea-level height data from the NASA/European Ocean Surface Topography Mission/Jason-2 oceanography satellite show the continued eastward progression of a strong wave of warm water, kno... More |
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El Niño 2009-2010 just keeps hanging in there. Recent sea-level height data from the NASA/European Ocean Surface Topography Mission/Jason-2 oceanography satellite show that a large-scale, susta... More |
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The rise and fall of the '97 - '98 El Niño with information and classroom activities.
Information and Classroom Activities
(in PDF format)
Background
... More |
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[[MODULE||search.results||ParseModule=No]]... More |
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Current and archived news items and features from our web site.
Spotlights -- learn about our missions, our scientists, ocean science in general, and special events.
Press Releases -- what's "in t... More |
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This series will familiarize you with the TOPEX/Poseidon (T/P) mission, science, and products that are available for Earth-related studies. It has 22 "slides" (presented in 3 parts) and accompanying t... More |
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Part I. | Part II. | Part III.
Click on the links below to jump down to that topic.
Ocean Heat Transport
Ocean Eddies
What Factors Contribute to S... More |
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Part I. | Part II. | Part III.
Click on the links below to jump down to that topic.
Dynamic Ocean Topography: Sept '92 & May '96
Currents Calcu... More |
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Congratulations!
You are a certified Junior Oceanographer. If you entered your name and location before taking the quiz you will be added to the Junior Oceanographer Hall of Fame soon! NASA/JPL and ... More |
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The Bridge is a unique clearinghouse of the best K-12 ocean sciences education sites available online
OceanLink is a partnership between several marine organizations, all committe... More |
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"Fish poop," a good fertilizer, falls downward. It is used by phytoplankton, which in turn, become fish food.... More |
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Eddies are concentrated on the western side of the these basins where major currents, such as the Gulf Stream and Kuroshio Current, occur.... More |
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Waves
Tides
Ocean currents
Ocean eddies
Temperature of the upper ocean water... More |
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Except for gravity, each changes over days, months, or a few years. Of these remaining factors, basin-wide ocean circulation is the most stable - it does not change significantly over periods of days ... More |
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All of these factors are dependent on their location in the ocean.... More |
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Ocean eddies - up to about 25 centimeters (10 inches)
Temperature of the upper ocean water - up to about 35 centimeters (13 inches), similar to the contribution from ocean eddies
Tides in the deep o... More |
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The influence of the Moon's gravity on our oceans is called lunar tides.... More |
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The outside of the Merry-go-Round spins fastest This is analogous to how the Earth spins fastest at the Equator.... More |
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The difference between the highest and lowest parts of ocean dynamic topography is just over 2 meters (6 feet); from about -120 centimeters to +100 centimeters.... More |
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The overall change in sea surface height caused by circulation is about 75 times less than that due to gravity.
Smoothed model of the Earth's Geoid... More |
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No, the Ocean Dynamic Topography maps do not look significantly different from one another. General ocean circulation at these scales does not change much over 10's to 100's of years.... More |
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Areas of very low ocean dynamic topography correspond ROUGHLY with where ocean water sinks near the Earth's poles.... More |
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The difference between the highest and lowest parts of sea surface variability is about 18 centimeters (about 7 inches); from -9 to +9 centimeters.... More |
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Overall sea surface variability is about 1/16 of the overall variation in sea surface height caused by ocean circulation.... More |
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The top map is from fall in the Northern Hemisphere. Sea surface highs occur because of the expansion of the upper ocean water after it is heated throughout the summer.
The bottom map shows spring i... More |
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In the Northern Hemisphere, the overall change in sea surface height between these seasons is very dramatic. Season-to-season changes in the Southern Hemisphere are much more moderate.
The "ocean... More |
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The graphs should look similar to the one shown below:
The top map shows a "downhill" trend from west-to-east. The bottom map shows sea-level that "tilts" slightly to the west with generally a hi... More |
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The 1982 - 83 "El Niño" was estimated to have caused $8 billion in damage worldwide!... More |
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The data from the TOPEX/Poseidon and Jason missions helps us study and understand the complex interactions between the oceans and the atmosphere that affect global weather and climate events. El Ni&nt... More |
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This page contains information about OSTM/Jason-2 scientists, a summary of their scientific investigations, and links to their research web sites (where available).
You can also view past Scientific... More |
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Larger image and caption
Authors:
Pascal Bonnefond (OCA/GeoAzur)
Co-Investigator(s):
P. Exertier, O. Laurain, F. Pierron (OCA/GeoAzur)Y. Ménard (CNES)F. Lyar... More |
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Ocean Surface Topography
(Flash required to view this module. Download Flash)
Earth's oceans are the greatest influence on global climate. Only from space can we observe our vast oceans on a global ... More |
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The Ocean Surface Topography Mission on the Jason-2 satellite (OSTM/Jason-2) is a follow-on to the Jason-1 mission.
It launched 20 June 2008 from Vandenburg Air Force Base in California. Explore the... More |
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Artists concept of the OSTM/Jason-2 spacecraft.
OSTM/Jason-2 Instruments
Poseidon-3 dual frequency altimeter
The Poseidon-3 radar altimeter is the main instrument on the Jason-2 mission. Deri... More |
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OSTM/Jason-2 launched June 20, 2008 from Vandenberg Air Force Base.
The launch vehicle was a United Launch Alliance Delta II.
Learn more at Delta II: Countdown 101
OSTM Newsletter (PDF,&... More |
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TIME(hr:min:sec)
EVENT
VIDEO CLIPS
from Jason-1
00:00:00
Liftoff
QuickTime230 x 180 (496 Kb)
00:00:48
Maximum Dyn... More |
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Check out some of the OSTM/Jason-2 movies, animations, and images.
MOVIES
We Have Separation!
This is a view from the second stage of the Delta II launch vehicle which lifted OSTM/Jason-2 into i... More |
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The Ocean Surface Topography Science Team is composed of a group of international and interdisciplinary scientists dedicated to the study of Earth's oceans, utilizing ocean altimeter data from space. ... More |
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Browse (JPG, 120 KB)PDF (PDF, 1.46 MB)
Hi-res (TIF, 16.5 MB)
... More |
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A Growing La Niña Chills Out the Pacific
September 15, 2010
Adios El Niño, Hello La Niña?
June 11, 2010
... More |
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Part I. | Part II. | Part III.
Click on the links below to jump down to that topic.
Data Images
Ocean & Climate
Satellite Ground Tracks
Meas... More |
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Authors:
I. Fukumori,
Y. Chao,
L.-L. Fu,
T. Lee,
W. T. Liu,
D. Menemenlis,
V. Zlotnicki
(Jet Propulsion Laboratory,California Institute of TechnologyUSA)
CORRESPONDING AUTHOR:
Ichiro Fukumori
JPL M... More |
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The gallery offers some of our best images at medium and high resolution (when possible). If you are interested in using any of these images, please be aware of the JPL Picture Use Policy.
POSTERS:... More |
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El Niño
The data from TOPEX/Poseidon, and in the future Jason-1, helps us study and understand the complex interactions between the oceans and the atmosphere which affect global weather and... More |
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El Niño/La Niña Information on the Web
There are many excellent sites containing basic information on these phenomena, the effects of El Niño and La Niña on weather and c... More |
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TOPEX/Poseidon is a satellite that measures the precise shape of the ocean's surface and how this surface changes through time. This helps the scientists to calculate ocean currents, identify climate ... More |
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PARTNERS
Aviso, Observing the Ocean from Space
Ocean World
Real-Time Altimetry Project
EDUCATION
Texas A & M University's TOPEX/Poseidon Science Working Team
University of Texa... More |
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function checkEnter(e)
{
//e is event object passed from function invocation
var characterCode; //literal character code will be stored in this variable
if(e && e.which)
{
//if which prop... More |
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OSTM Home PageOverviewWhy Study the Ocean?ClimateGlobal Warming or Global Climate Change?The Spherical Shape of the EarthMovement of the Earth through SpacePhysical Properties of WaterMission BasicsOc... More |
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A ground-based beacon called "DORIS" sends radio signals to a satellite receiver that measures the "Doppler." The "Doppler effect" is what causes the distinctive sound pattern you hear when a car pass... More |
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The ruler with 1/16th" marks would provide better precision.... More |
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Yes, there is a high degree of correlation between wind speed and significant wave height in the images.
Simultaneous observations of wind speed and wave height are helping scientists to predict oce... More |
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No, tropical trade winds are steady and don't show much seasonal variation in these images.... More |
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The orientation of the Earth's poles relative to the Sun causes the difference in energy received at the Equator and the poles.
The average amount of incoming solar radiation decreases from the E... More |
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We've prepared a veritable ocean of educational resources on weather, climate, and oceanic science for learners of all ages and backgrounds. Some of these products are available to order. Please see t... More |
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Launch Images | Launch Footage | Launch Sequence | Launch - Crowd | Launch Animation
Jason-1 Launch Images fr... More |
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Launch Images | Launch Footage | Launch Sequence | Launch - Crowd | Launch Animation
Jason-1 Launched on Dec... More |
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OSTM/Jason-2
The Poseidon-3 radar altimeter is the main instrument on the Jason-2 mission. Derived from the Poseidon-1 altimeter on TOPEX/Poseidon and the Poseidon-2 on Jason-1, it measures sea lev... More |
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Information about the Visit to an Ocean Planet Educational CD-ROM
June 2010
The Visit to an Ocean Planet educational CD-ROM was developed in 1998 by the TOPEX/Poseidon Project outreach team for use ... More |
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There are a variety of activities available below including Make Your Own El Niño in the Classroom, which in less than 5 minutes provides a hands-on demonstration of the El Niño effect u... More |
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SURFS UP! Ocean scientists are stoked! It's Jason-1, dude!
For the past 10 years, oceanographers from all over the world have been riding wave after wave of amazing sea surface height (SSH) data. Or... More |
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Find the latest Pacific Decadal Oscillation press releases. Also, check the Pacific Decadal Oscillation news collected by the University of Washington group that discovered the PDO.
Other Pacific D... More |
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Because the anomalies are relative to an annual sine fit, the animation we are looking at presents the combination of 2 dominant types of anomalies happening in the Indian Ocean.
the semi-annual co... More |
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by: Claire Perigaud
This animation illustrates the strong climatic anomalies that took place in the Indian Ocean in 1997-1998-1999.
In winter 1997/98, sea level was significantly lower than usual ... More |
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SSH and SST Anomalies - Pacific Ocean (10/92 - 08/02)
QuickTime Movie - Large (17.1 MB) -->
QuickTime Movie (3.4 MB)
QuickTime Movie Slower - 36 sec. (3.8 MB)
MPEG Movie (1 MB) -->
... More |
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The Educational Webpage Links provide a rich storehouse of links to many ocean-focused sites offering additional materials, contacts, activities, information, and more links!
The Frequently Asked Qu... More |
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Earth's ocean is huge! This means it has all kinds of things to explore and learn. And what better way to learn than by having fun! Look here for some cool ocean facts and learn how satellites way abo... More |
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This section contains some of our most popular educational products. Not all products remain available as hardcopy - however, links give you access to PDF versions of posters, book marks and brochures... More |
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Attention Students!
REVISED!
Are your teachers requiring you to cover your textbooks? Are you tired of covering them with boring brown bags? NASA's Jet Propulsion Laboratory has produced a book cove... More |
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Attention Educators!
REVISED!
Do you require your students to cover their textbooks? Are you tired of seeing cast-off grocery bags coming back to life as book covers? NASA's Jet Propulsion Laborator... More |
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09/15/2010
Vestibulum ut metus mi. Vestibulum id convallis diam. Aliquam quis orci lacus, id porta nisl. Integer tempus, odio s... More |
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Select Year
2010
2010
09/15/2010... More |
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Join the Sealevel Mailing List
Joining the Mailing List
If you would like to join the sealevel mailing list, simply send a blank e-mail message to:
join-sealevel@list.jpl.nasa.gov
The purpose ... More |
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The following is a summary of what you'll find in this section.
Science Objectives
Science objectives for NASA's ocean altimetry missions and beyond
Practical Applications
Society benefits... More |
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Where are they now?
Where are they now? Have you ever looked up in the night sky to see a satellite? Have you wondered what satellite it was? Maybe it was Jason-1 or OSTM/Jason-2. You can find out! Se... More |
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Jason-1 was the first follow-on to the highly successful TOPEX/Poseidon mission. This second joint NASA-CNES mission was built on a French spacecraft, and launched on an American Delta II rocket from ... More |
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There is also a PDF (PDF, 1 MB) version of the Fact Sheet.
Objectives
Extend ocean surface topography into the 21st century
Provide a 5-year view of global ocean surface topography... More |
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Jason-1 launched from Vandenberg Air Force Base in California on December 7, 2001. The launch vechicle was a Delta II, which was shared with another NASA mission, TIMED. Jason-1 was separated first.
... More |
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The concept of using a spaceborne radar altimeter to measure ocean topography was formulated in the late 1960s. The concept was first demonstrated by Seasat (1978), followed by the U.S. Navy's Geosat ... More |
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Launched in 1992, TOPEX/Poseidon is a joint venture between CNES and NASA that measured ocean surface topography to an accuracy of 4.2 cm, enabled scientists to forecast the 1997-1998 El Niño, ... More |
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There is also a PDF (PDF, 2.81 MB) version of the Fact Sheet.
Objectives
Three-year global view of Earth's oceans
Improved understanding of ocean currents
Improved forecasting of ... More |
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In 1979, NASA's Jet Propulsion Laboratory began planning TOPEX, an Ocean Topography Experiment that would use a satellite altimeter to measure the surface of the world's oceans. At the same time the F... More |
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Launch Images | Launch Footage | Launch Sequence | Launch - Crowd | Launch Animation
Jason-1 launch. --->
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Launch Images | Launch Footage | Launch Sequence | Launch - Crowd | Launch Animation
Jason-1/TIMED Sequence ... More |
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Meet mission team members and other ocean altimetry people who have contributed to the Ocean Surface Topography from Space effort.
The mission team is made up of individuals from JPL, NASA, universi... More |
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Launch Images | Launch Footage | Launch Sequence | Launch - Crowd | Launch Animation
Jason-1 Measuring Ocean ... More |
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Here are some of the things that take place before a launch.
Joint NASA-French Satellite to Track Trends in Sea Level, Climate (May 20, 2008)A satellite that will help scientists better monitor a... More |
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OSTM/Jason-2 is a follow to the Jason-1 and TOPEX/Poseidon missions and continues to provide high quality sea surface height data. The design for OSTM/Jason-2 and Jason-1 was based on the concept succ... More |
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OSTM/Jason-2
The DORIS instrument onboard Jason-2 provides real-time location and precise orbit determination. DORIS measurements are also used for geophysical studies, in particular through the In... More |
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OSTM/Jason-2
The GPS Payload (GPSP) on OSTM/Jason-2 is a tracking system that receives dual-frequency navigation signals continuously and simultaneously from 16 GPS satellites to determine the exac... More |
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OSTM/Jason-2
The LRA is an array of mirrors that provide a target for laser tracking measurements from the ground. By analyzing the round-trip time of the laser beam, we can locate where the satell... More |
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OSTM/Jason-2
The Advanced Microwave Radiometer (AMR), is an enhanced version of the Jason-1 Microwave Radiometer (JMR). Like the JMR, it acquires measurements via three separate frequency channels ... More |
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Climate is the long-term state of the atmosphere at a particular location--in a sense, the "average weather" over a long period of time. Climate varies significantly around the globe, and not randomly... More |
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Is this just part of a natural cycle? How much of this warming is due to the burning of fossil fuels? Is human nature affecting Mother Nature? What should we do? What challenges will our children have... More |
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Because the Earth is a sphere, the surface gets much more intense sunlight, hence heat, at the equator than at the poles. On the equinox, the Sun passes directly overhead at noon on the equator and a ... More |
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The 24-hour-per-day spin of the Earth accounts for the Coriolis "force." The Earth is 40,000 kilometers (24,900 miles) around at its widest part, the equator. Because it spins on its axis once in 24 h... More |
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Water is an enormously efficient heat-sink. Solar heat absorbed by bodies of water during the day, or in the summer, is released at night, or in winter. Sites on islands or coasts benefit from the mod... More |
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This page is still TBD. Waiting for content from customer.... More |
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Topography is the shape of a surface, including its relief. The topography of the sea surface is influenced by both gravity and ocean circulation.
The actual shape of the Earth is not a perfec... More |
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Satellite observations of the oceans over the past three decades have truly revolutionized our understanding of global climate change through measurements and modeling of the ocean-atmosphere climat... More |
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New Societal Benefits Coming Soon!
Data and images from Jason-1 and OSTM/Jason-2 ocean missions are being used for a wide range of scientific as well as commercial and practical uses. Check back s... More |
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Coming Soon!
New tool for selecting and displaying AMR data! Check back soon to try this valuable new tool...... More |
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LATEST IMAGES - 08/31/2010
08/16/2010
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Authors:
William Bertiger (California Institute of Technology - JPL)
Co-Investigator(s):
Shailen DesaiBruce Haines (California Institute of Technology - JPL)
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Authors:
Charon Birkett (University of Maryland)
Co-Investigator(s):
David Bjerklie (United States Geological Survey)
Matthew Rodell (NASA/Goddard Space Flight Center)
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Authors:
Shannon Brown (California Institute of Technology - JPL)
Co-Investigator(s):
Shailen DesaiBruce Haines (California Institute of Technology - JPL)
... More |
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Authors:
Philip Callahan (California Institute of Technology - JPL)
Co-Investigator(s):
Ernesto Rodriguez (California Institute of Technology - JPL)
... More |
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Authors:
Dudley Chelton (Oregon State University)
Co-Investigator(s):
Roger Samelson(Oregon State University)
Larg... More |
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Authors:
Eric Dombrowsky (MERCATOR OCEAN)
Co-Investigator(s):
Pierre BahurelDominique ObatonYann Drillet (Mercator Océan)
Marie Drevillon(CERFACS)
Mounir Benkiran(CLS)
Didier Jourdan(SHOM... More |
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Larger image with caption
Authors:
William Emery (University of Colorado at Boulder)
Co-Investigator(s):
C.K. Shum(Ohio State University)
... More |
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Larger image with caption
Authors:
Bruce Haines (California Institute of Technology - JPL)
Co-Investigator(s):
George Born (University of Colorado at Boulder)
Shaile... More |
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Authors:
Weiqing Han (University of Colorado at Boulder)
Co-Investigator(s):
Jeffrey Weiss (University of Colorado)
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Authors:
Steven Jayne (Woods Hole Oceanographic Institution)
Co-Investigator(s):
W. Owens (Woods Hole Oceanographic Institution)
... More |
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Authors:
Kathryn Kelly (University of Washington)
Co-Investigator(s):
LuAnne Thompson (University of Washington)
... More |
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Authors:
Gary Lagerloef (Earth and Space Research)
Co-Investigator(s):
Fabrice Bonjean (Earth and Space Research)Gary Mitchum (University of ... More |
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Authors:
Robert Leben (University of Colorado at Boulder)
Co-Investigator(s):
George Born (University of Colorado at Boulder)
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Authors:
Frank Lemoine (NASA/Goddard Space Flight Center)
Co-Investigator(s):
Brian Beckley (SGT, Inc.)Scott Luthcke (University of Colorado at Boulder)Niki... More |
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Authors:
Nikolai Maximenko (University of Hawaii)
Co-Investigator(s):
Emanuele Di Lorenzo (Georgia Institute of Technology)Niklas Schneider (University of Hawaii at Manoa)
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Authors:
Laury Miller (NOAA/NESDIS/ORA)
Co-Investigator(s):
Eric Leuliette (NOAA)Remko Scharroo (Altimetrics LLC)Walter Smith (NOAA)
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Authors:
Nelly Mognard (LEGOS)
Co-Investigator(s):
Paul Bates (University of Bristol)Lee-Lueng Fu (California Institute of Technology - JPL)Douglas Alsdorf ... More |
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Authors:
Robert Nerem (University of Colorado at Boulder)
Co-Investigator(s):
Don Chambers (University of Texas at Austin)James Choe (University of Colorado... More |
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Authors:
Ananda Pascual (Institut Mediterrani d'Estudis Avancats, IMEDEA(CSIC-UIB))
Co-Investigator(s):
Alberto ÁlvarezJoaquin TintoréSim&oacu... More |
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Authors:
Erricos Pavlis (University of Maryland Baltimore)
Co-Investigator(s):
D. Paradisis P. MilasB. Massinas(National Technical University of Athens, Gre... More |
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Authors:
Rui Ponte (Atmospheric & Environmental Research Inc.)
Co-Investigator(s):
Ross Hoffman(Atmospheric & Environmental Research Inc.)Sergey Vin... More |
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Authors:
Bo Qiu (University of Hawaii)
Abstract:
In this research we characterize and understand the nature and causes ... More |
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Authors:
Richard Ray (NASA/Goddard Space Flight Center)
Co-Investigator(s):
Gary Egbert(Oregon State University)Edward Zaron (Portland State University)
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Authors:
Peter Rhines (University of Washington)
Co-Investigator(s):
Sirpa Hakkinen(NASA/Goddard Space Flight Center)
Ab... More |
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Authors:
Y. Tony Song (California Institute of Technology - JPL)
Co-Investigator(s):
Jun-Yi Guo(Ohio State University)C.K. Shum(Ohio State University)Raden ... More |
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Authors:
Paul Strub (Oregon State University)
Co-Investigator(s):
Tracy Haack(Naval Research Laboratory)Ricardo Matano(Oregon State University)
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Authors:
Douglas Vandemark (University of New Hampshire)
Co-Investigator(s):
Fabrice Ardhuin (SHOM)Bertrand Chapron(IFREMER/Centre de Brest)Hui Feng (University of New Hampshire)Ngan Tran (Colle... More |
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Authors:
Jacques Verron (LEGI/CNRS)
Co-Investigator(s):
Joaquim Ballabrera (CSIC)Eric Blayo, Laurent Debreu, Maelle Nodet, Arthur Vidard (LJK)Laurent Bertin... More |
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Authors:
John Wilkin (Rutgers, The State University)
Co-Investigator(s):
Remko Scharroo(Altimetrics LLC)Douglas Vandemark(University of New Hampshire)Javier... More |
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Authors:
Carl Wunsch (Massachusetts Institute of Technology)
Co-Investigator(s):
Patrick Heimbach(Massachusetts Institute of Technology)
... More |
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Authors:
Victor Zlotnicki (California Institute of Technology - JPL)
Co-Investigator(s):
Dimitris Menemenlis(California Institute of Technology - JPL)
... More |
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From its vantage point 1336 kilometers (830 miles) above the Earth, the US/European Jason-1 and OSTM/Jason-2 ocean altimeter satellites measure the height of the ocean surface directly underneath the ... More |
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Select Year
2010
2010
NASA/NOAA Study -- El Niñ... More |
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Jason-1 PosterOceans' Role in Climate - Jason-1Mapping Global Ocean CirculationOceans' Role in Climate - ApplicationsEl Niño PosterTOPEX/Poseidon Poster (no text)A Year in the Life Of El NiñoEarth Sci... More |
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Pacific Decadal Oscillation flyerJason-1 Fact SheetTOPEX/Poseidon Fact SheetTracking the Oceans' Height To Understand Earth's ClimateJason-1 5th Anniversary/Ocean Literacy BookmarkThe Legacy of Topex... More |
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Jason-1 Fact SheetTOPEX/Poseidon Fact SheetEstudio de seguimiento de la altura de los océanos para comprender el clima terrestreAviso site en Español1... More |
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Whale Census and HabitatApplications of Spaceborne AltimetryAltimeter Applications - JPL Open House '99Bringing Satellite Data Down to Earth1... More |
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Jason-1: First ImageWave HeightWind SpeedWater VaporIonospheric Total Electron ContentSea Surface HeightVariability of Ocean Dynamic TopographyOcean Dynamic TopographySea LevelOcean Dynamic Topography... More |
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TOPEX/Poseidon InstrumentsTOPEX/Poseidon Ground TracksTOPEX/Poseidon LaunchQuickTime VR of TOPEX/PoseidonJason-1 Spacecraft AnimationEl Niño/La Niña - (12/1996 - 01/2000)SSH and SST - Indian... More |
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OSTM/Jason-2 Artist's ConceptOSTM/Jason-2 Artist's ConceptOSTM/Jason-2 SpacecraftOSTM/Jason-2 Line Drawing1... More |
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Poseidon-3 AltimeterOSTM/Jason-2 DORISOSTM/Jason-2 GPSPOSTM/Jason-2 GPSPOSTM/Jason-2 LRAOSTM/Jason-2 Radiometer AntennaOSTM/Jason-2 Radiometer AntennaOSTM/Jason-2 Radiometer AntennaRadiometer Install ... More |
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High Resolution Jason-1 launch imagesHigh Resolution Jason-1 launch imagesHigh Resolution Jason-1 launch imagesHigh Resolution Jason-1 launch imagesJason-1 launch imagesJason-1 launch imagesJason-1 la... More |
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Jason-1 AltimeterJason-1 DORISJason-1 TRSRJason-1 LRAJason-1 Radiometer1... More |
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TOPEX/Poseidon Artist's ConceptTOPEX/Poseidon over EarthAriane 42P launch vehicleTOPEX/Poseidon Collecting DataTOPEX/Poseidon Line Drawing1... More |
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TOPEX/Poseidon AltimeterTOPEX/Poseidon DORISTOPEX/Poseidon GPSTOPEX/Poseidon LRATOPEX/Poseidon Radiometer1... More |
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TOPEX/Poseidon StickerCNES Jason LogoCNES logoJason-1 PinOSTM/Jason-2 insignia for launch vehicle1... More |
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What's the difference between Ocean Surface Topography and Bathymetry?
TOPEX/Poseidon measures the precise shape of the ocean's surface (the surface topography). Bathymetry refers to the relief on t... More |
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Approaching 20 years of scientific discovery by NASA’s ocean altimetry satellites has broadened the depth of science objectives for the missions. OSTM/Jason-2 and its successor missions are now expect... More |
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Thinking about becoming an oceanographer? Take the quiz and become a certified Junior Oceanographer. When you pass the Junior Oceanographer quiz you can print out your Junior Oceanographer certificate... More |
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To receive your Jr. Oceanographer certificate, continue taking the quiz until you answer
all the questions correctly. If you need help answering a question, click on the "Hint" link. Wh... More |
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Below is the list of Junior Oceanographers. To become a certified Junior Oceanographer enter your first name and your location before you take the quiz.
... More |
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preview not available in admin mode... More |
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Publication Statistics by Year1990 to present
1990 32
1991 31
1992 43
1993 74
1994 143
1995 180
1996 130
1997 1... More |
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The graph below shows the number of publications per year, starting in 1990 continuing through to the present. To see the exact number of entries for a given year, move your mouse over the bar and the... More |
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preview not available in admin... More |
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Return to the Search page.... More |
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The images shown are useful for visual comparisons. The original digital data, for quantitative analyses, can be obtained from the NASA Physical Oceanography Distributed Active Archive Center (PO.DAAC... More |
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The OSTM/Jason-2 education activities are conducted jointly with those of Jason-1. A primary focus has been the inception of the CNES-developed Argonautica oceanography education program in the Unite... More |
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The Ocean Surface Topography Education and Public Outreach (OST-EPO) Team at NASA's Jet Propulsion Laboratory supports the TOPEX/Poseidon, Jason and Ocean Surface Topography Mission projects. Project ... More |
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Study of seasonal-to-decadal variability in the Tropical Atlantic using altimetry, models and in situ observations Solving the "electromagnetic bias" problemMERCATOR, forecasting global oceanTowards h... More |
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Authors:
S. Arnault
LODYC, France
CORRESPONDING AUTHOR:
Sabine Arnault
LODYC
Tour 14-2 case 100
4, place Jussieu
75252 Paris Cedex 05 - France
sa@lodyc.jussieu.fr
Abstr... More |
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Authors:
D.D. Arnold,
K.F. Warnick,
F.W. Millet
(Brigham Young University, USA)
CORRESPONDING AUTHOR:
Karl Warnick
Department of Electrical and Computer Engineering, 459 CB
Brigham Young U... More |
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Authors:
P. Bahurel
SHOM/LEGOS, France
P. De Mey
CNRS/LEGOS, France
T. De Prada
CNES, France
E. Dombrowsky
CLS, France
P. Josse
Météo-France, France
C. Le Provost
CNRS/LEGOS, F... More |
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Authors:
M.J. Bell, A. Hines,
M.J. Martin, M.E. McCulloch,
D. Storkey.
(Met Office, UK)
CORRESPONDING AUTHOR:
Michael Bell
Met Office
London Road, Bracknell, Berkshire
RG12 2SZ - UK
mjbel... More |
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Authors:
G.H. Born (CCAR, USA)
R.R. Leben (CCAR, USA)
D.S. McCollum (CCAR, USA)
J.M. Wilczak 2 (NOAA Environmental Technology Laboratory, USA)
CORRESPONDING AUTHOR:
George H. Born
CCAR, ... More |
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Authors:
J.P. Boulanger, A. Weaver,
J. Vialard, C. Menkes,
P. Delecluse (LODYC, France)
CORRESPONDING AUTHOR:
Jean-Philippe Boulanger
LODYC
Université Pierre et Marie Curie
... More |
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Authors:
A.J. Busalacchi University of Maryland, USA,
J. Picaut IRD/LEGOS, France,
R. Murtugudde University of Maryland, USA,
M.J. McPhaden NOAA/PMEL, USA,
T. Delcroix,
L. Gourdeau,
Y. Du Penhoat ... More |
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Authors:
S. Calmant IRD, New Caledonia
T. Delcroix IRD/LEGOS, Noumea, New Caledonia
A. Cazenave LEGOS, France
C.K. Shum Ohio State University, USA
CORRESPONDING AUTHOR:
Stéphane Cal... More |
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Authors:
A. Cazenave, K. Do Minh, J.F. Cretaux,
C. Cabanes, S. Mangiarotti
(LEGOS, France)
CORRESPONDING AUTHOR:
Anny Cazenave
LEGOS
14, av. Edouard Belin
31400 Toulouse - France
Anny.... More |
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Authors:
P. Challenor, P. Cipollini, D. Cromwell, C. Gommenginger, G. Quartly, H. Snaith, M. Srokosz, D. Woolf
(Southampton Oceanography Centre, UK)
CORRESPONDING AUTHOR:
Graham Quartly
Room... More |
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Authors:
B.F. Chao
NASA/GSFC, USA
CORRESPONDING AUTHOR:
Benjamin Fong Chao
Space Geodesy Branch
Laboratory of Terrestrial Physics
NASA Goddard Space Flight Center
Greenbelt, Maryland 20771 -... More |
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Authors:
D.B. Chelton and R.A. De Szoeke
Oregon State University, USA
CORRESPONDING AUTHOR:
Dudley B. Chelton
College of Oceanic and
Atmospheric Sciences
104 Oceanography Administration Bui... More |
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Authors:
Robert Cheney, Laury Miller, C.K. Tai, John Lillibridge, John Kuhn
NOAA Laboratory for Satellite Altimetry, USA
Ming Ji, David Behringer
NOAA National Centers for E... More |
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Authors:
J. Church (CSIRO Marine Research, Australia), (Antarctic CRC, Australia),
R. Coleman (University of Tasmania, Australia), (CSIRO Marine Research, Australia), (Antarctic CRC, Australia),... More |
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Authors:
P.D. Cotton (Satellite Observing Systems, UK),
D.J.T. Carter (Satellite Observing Systems, UK),
P.G. Challenor (Southampton Oceanography Centre, UK),
V.Yu. Kareev (Institute of Applied ... More |
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Authors:
P. De Mey
LEGOS, France
N. Pinardi
INGV, Italy
M. Benkiran Coframi, France
P. Faucher
LEGOS, France
E. Demirov
INGV, Italy
S. Sparnocchia
ISTT, Italy
F. Raicich
ISTT, Italy
C. M... More |
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Authors:
W. Emery (University of Colorado, USA),
J. Wilkin (National Institute of Water and Atmospheric Research, New Zealand),
M. Bowen (University of Colorado, USA)
CORRESPONDING AUTHO... More |
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Authors:
P. Exertier
OCA/CERGA, France
P. Bonnefond
OCA/CERGA, France
Y. Ménard
CNES, France
E. Jeansou
NOVELTIS, France
CORRESPONDING AUTHOR:
Pierre Exertier
Observatoire de la... More |
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Authors:
L. Eymard (CETP, France),
E. Obligis (CLS, France)
CORRESPONDING AUTHOR:
Laurence Eymard
CNRS/CETP
10-12, av. de l'Europe
78140 Vélizy - France
Laurence.Eymard@cetp.ipsl.fr... More |
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Authors:
N.M. Frew (Woods Hole Oceanographic Institution, USA),
D.M. Glover (Woods Hole Oceanographic Institution, USA),
E.J. Bock (University of Heidelberg, Germany)
CORRESPONDING AUTHOR:
N... More |
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Authors:
S.T. Gille, D.T. Sandwell
(Scripps Institution of Oceanography, USA)
CORRESPONDING AUTHOR:
Sarah Gille
Scripps Institution of Oceanography
9500 Gilman Drive
La Jolla, CA 92093-0230 ... More |
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Authors:
R. Glazman
(NASA/JPL, USA)
CORRESPONDING AUTHOR:
Roman Glazman
JPL M/S 300-323
4800 Oak Grove Drive
Pasadena CA, 91109 - USA
reg@pacific.jpl.nasa.gov
SIZE="2">
Abstra... More |
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Authors:
B. Haines (NASA/JPL, USA),
Y. Bar-Sever (NASA/JPL, USA),
G. Born (University of Colorado, USA),
E. Christensen (NASA/JPL, USA),
S. Gill (NOAA/NOS, USA)
CORRESPONDING AUTHOR:
Bruce H... More |
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Authors:
D.W. Hancock III, G.S. Hayne
(NASA/GSFC, USA)
CORRESPONDING AUTHOR:
David W. Hancock III
NASA Goddard Space Fligh Center
Observational Science Branch
Code 972
Wallops Island, VA 233... More |
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Authors:
S. Imawaki (Kyushu University, Japan),
S. Aoki (National Institute of Polar Research, Japan),
Y. Fukuda (Kyoto University, Japan),
K. Ichikawa (Kyushu University, Japan),
S. Ito (Tohoku... More |
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Authors:
G.A. Jacobs ,
C.N. Barron ,
P.J. Hogan ,
H.E. Hurlburt ,
H.T. Perkins ,
R.H. Preller ,
R.C. Rhodes ,
W.J. Teague (Naval Research Laboratory, USA),
K.R. Whitmer (Sverdrup Technology, USA)
... More |
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Authors:
L. Kerleguer
SHOM/LEGOS, France
P. Bahurel
SHOM/LEGOS, France
R. Baraille
SHOM/LEGOS, France
E. Dombrowsky
CLS, France
M. Gavart
Michel Gavart Consultant, France
S. Giraud
... More |
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Authors:
P. Knudsen,
O. Andersen,
J.L. Hoyer (Kort og Matrikelstyrelsen, Denmark),
A.A. Nielsen,
K.B. Hilger (Technical University of Denmark, Denmark),
C.C. Tscherning,
N. Hoejerslev (University... More |
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Authors:
C.J. Koblinsky,
B.D. Beckley (NASA/GSFC, USA),
P.P. Niiler,
B. Cornuelle,
N. Barth (Scripps Intitution of Oceanography, USA)
CORRESPONDING AUTHOR:
Chet J. Koblinsky
Oceans and Ice ... More |
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Authors:
J.M. Lefèvre, P. Josse, P. Dandin
(Météo-France, France)
CORRESPONDING AUTHOR:
Jean-Michel Lefèvre
Météo-France - 42, av G. Coriolis 31057 ... More |
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Authors:
C. Le Provost,
L. Carrere (CNRS/LEGOS, France),
P. Gaspar,
P.Y. Le Traon (CLS, France),
F. Lyard (CNRS/LEGOS, France),
R. Ponte (Atmospheric and Environmental Research Inc., USA)
... More |
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Authors:
P.Y. Le Traon, C. Boone, G. Dibarboure, J. Dorandeu, N. Ducet, P. Gaspar, F. Hernandez, G. Larnicol, F. Ogor-Mertz, J. Stum
(CLS, France)
CORRESPONDING AUTHOR:
Pierre Yves Le Traon
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Authors:
D. MacMillan (NVI, Inc., USA),
Y. Bock, P. Fang (Scripps Institution of Oceanography, USA),
B. Beckley (Raytheon ITSS, USA),
C. Ma (NASA/GSFC, USA)
CORRESPONDING AUTHOR:
Dan MacMi... More |
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Authors:
M. Merrifield, M. Bevis
(University of Hawaii, USA)
CORRESPONDING AUTHOR:
Mark Merrifield
Hawaii Institute of Geophysics
and Planetary Physics
University of Hawaii
1000 Pope Road, ... More |
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Authors:
Gary T. Mitchum
College of Marine Science,
University of South Florida,
USA
G.S.E. Lagerloef
ESR,
USA
A.J. Busalacchi
ESSIC,
University... More |
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Authors:
P. Moore, J. Wang
(Newcastle University, UK)
CORRESPONDING AUTHOR:
Gary T. Mitchum
College of Marine Science, University of South Florida,
140 Seventh Ave. South, St. Petersburg, F... More |
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Authors:
R. Morrow, G. Reverdin
(LEGOS, France)
CORRESPONDING AUTHOR:
Rosemary Morrow
LEGOS
14, av. Edouard Belin
31401 Toulouse Cedex 4 - France
rosemary.morrow@cnes.fr
SIZE="2"... More |
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Authors:
R. S. Nerem
Colorado Center for Astrodynamics Research and
Department of Aerospace Engineering Sciences
University of Colorado at Boulder, Boulder, Colorado, USA
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Authors:
J.J. O'Brien
(COAPS, USA)
CORRESPONDING AUTHOR:
James J. O'Brien
Center for Ocean Atmospheric Prediction Studies
Florida State University
RM Johnson Building - Suite 200
2035 E. Pau... More |
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Authors:
Y.H. Park
(MNHN, France)
CORRESPONDING AUTHOR:
Young-Hyang Park
Laboratoire d'Océanographie Physique
Muséum National d'Histoire Naturelle
43, rue Cuvier
75005 Paris - ... More |
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Authors:
M. Petit (IRD, France),
P. Gaspar (CLS, France),
M. Desruisseaux (IRD, France),
F. Goujon (ORTHONGEL, France),
F. Poisson (IFREMER, France),
D. Guyomard (IRD, France)
CORRESPON... More |
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Authors:
J. Picaut (IRD/LEGOS, Toulouse, France),
A.J. Busalacchi (ESSIC/University of Maryland, Greenbelt, USA),
T. Delcroix (IRD/LEGOS, Nouméa, New Caledonia),
L. Gourdeau (IRD/LEGOS, To... More |
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Authors:
R.M. Ponte
(AER Inc., USA)
CORRESPONDING AUTHOR:
Rui Ponte
Atmospheric and Environmental Research, Inc.
131 Hartwell Avenue
Lexington, MA 02421-3216
ponte@aer.com
SIZE="2... More |
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Authors:
C. Provost (LODYC, France),
F. Vivier (presently at APL, USA),
V. Garèon,
I. Dadou (LEGOS, France),
E. Machu (presently at CERFACS, France)
CORRESPONDING AUTHOR:
Christine ... More |
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Authors:
Bo Qiu
Department of Oceanography
University of Hawaii, USA
CORRESPONDING AUTHOR:
Bo Qiu
Department of Oceanography
University of Hawaii
1000 Pope Road
Honolulu, HI 96822
USA
E-mail: ... More |
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Authors:
R. D. Ray
NASA Goddard Space Flight Center
G. D. Egbert
Oregon State University
D. E. Cartwright
Southampton Oceanogrphy Centre
CORRESPONDING ... More |
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Authors:
J.C. Ries, B.D. Tapley, R.J. Eanes, H.J. Rim
(UT/Center for Space Research, USA)
CORRESPONDING AUTHOR:
John Ries
Center for Space Research, R1000
The University of Texas at Austin;
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Authors:
E. Rodriguez, P.S. Callahan
(NASA/JPL, USA)
CORRESPONDING AUTHOR:
Ernesto Rodriguez
MS: 300-319
Jet Propulsion Laboratory
4800 Oak Grove Dr.
Pasadena, CA 91109 - USA
ernesto.rodrig... More |
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Authors:
D. Roemmich, B. Cornuelle, J. Sprintall
(Scripps Institution of Oceanography, USA)
CORRESPONDING AUTHOR:
Dean Roemmich
Scripps Institution of Oceanography
Mail Code 0230
University ... More |
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Authors:
P. Rogel, E. Maisonnave
(CERFACS, France)
CORRESPONDING AUTHOR:
Philippe Rogel
CERFACS
42, av. Coriolis
31400 Toulouse - France
rogel@cerfacs.fr
Abstract:
The goal ... More |
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Authors:
C. Ruf
(University of Michigan, USA)
CORRESPONDING AUTHOR:
Christopher Ruf
University of Michigan
1521C Space Research Building
2455 Hayward Street
Ann Arbor, MI 48109-2143 - USA
c... More |
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Authors:
E.J.O. Schrama, M.C. Naeije, R. Scharroo, P.N.A.M. Visser, B.A.C. Ambrosius
(DEOS/TUDelft, The Netherlands)
CORRESPONDING AUTHOR:
Ernst Schrama
Thijsseweg 11, 2629 JA Delft
The Neth... More |
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Authors:
J. Schröter, M. Wenzel
(Alfred-Wegener-Institute, Germany)
CORRESPONDING AUTHOR:
Jens Schröter
Alfred-Wegener-Institute
for Polar and Marine Research
Postfach 120 161, 27... More |
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Authors:
D. Stammer (Scripps Institution of Oceanography, USA),
C. Wunsch (MIT, USA)
CORRESPONDING AUTHOR:
Detlef Stammer
Physical Oceanography Research Division
Scripps Institution of Oc... More |
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Authors:
R. Stewart, R. James
(Texas A&M University, USA)
CORRESPONDING AUTHOR:
Robert Stewart
College of Geosciences
Texas A&M University
College Station
Texas, 77842-3146 - USA
stewart@as... More |
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Authors:
P. Ted Strub
College of Oceanic and Atmospheric Sciences,
Oregon State University, U.S.A.
Ricardo P. Matano
College of Oceanic and Atmospheric Sciences,
Ore... More |
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Authors:
R. Tokmakian, J. McClean, A.J. Semtner
(Naval Postgraduate School, USA)
CORRESPONDING AUTHOR:
Robin Tokmakian
Dept. of Oceanography
OC/tk, 833 Dyer Rd., Rm 328
Naval Postgraduate School
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Authors:
R. Tokmakian, J. McClean, A.J. Semtner
(Naval Postgraduate School, USA)
CORRESPONDING AUTHOR:
Robin Tokmakian
Dept. of Oceanography
OC/tk, 833 Dyer Rd., Rm 328
Naval Postgraduate School
... More |
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Authors:
J. Tournadre, B. Chapron
(IFREMER, France)
CORRESPONDING AUTHOR:
Jean Tournadre
IFREMER
BP 70
29280 Plouzané - France
jean.tournadre@ifremer.fr
Abstract:
The... More |
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Authors:
D. Vandemark (NASA/GSFC, USA),
B. Chapron (IFREMER, France),
T. Elfouhaily (CNRS, France),
P. Gaspar (CLS, France),
G.S. Hayne,
D.W. Hancock III (NASA/GSFC, USA),
G.T. Mitchum (Universi... More |
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Authors:
A. Vega,
Y. Du Penhoat, B. Dewitte (LEGOS, France),
O. Pizarro (PROFC, Chile),
R. Abarca (CS, France)
CORRESPONDING AUTHOR:
Andres Vega Martin
LEGOS
14, av. Edouard Belin
31400 ... More |
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Authors:
J. Verron (LEGI, France),
E. Blayo,
J. Blum (LMC, France),
P. Brasseur (LEGI, France),
T. Delcroix (IRD, New Caledonia),
P. De Mey (LEGOS, France),
G. Evensen (NERSC, Norway),
L. Gourdeau... More |
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Authors:
M.M. Watkins, G.L. Kruizinga, B.J. Haines
(NASA/JPL, USA)
CORRESPONDING AUTHOR:
Michael M. Watkins
Jet Propulsion Laboratory - USA
Mail Stop 300-323
4800 Oak Grove Drive
Pasadena - ... More |
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Authors:
W.B. White
(Scripps Institution of Oceanography, USA)
CORRESPONDING AUTHOR:
Warren B. White
Scripps Institution of Oceanography
University of California San Diego
8810 Shellback Wa... More |
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Authors:
P.L. Woodworth, C.W. Hughes, T.F. Baker, X. Dong, R.A. Flather, J.M. Huthnance, H. Leach and R. Williams
(POL, UK)
(LU/DES, UK)
CORRESPONDING AUTHOR:
Philip Woodworth
Proudman Ocean... More |
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This page lists publications for the past 3 months from members of the OST science team. For older publications, please search the Literature Database. Links are provided, if available. If you would l... More |
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The Ocean Surface Topography Science Team (OSTST) meets annually to evaluate relevant mission activities such as data calibration and validation, data processing, and mission science objectives. It is... More |
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2009 OSTST Meeting, Seattle, WA
Report of the 2009 OSTST Meeting (PDF, 18.21 MB)
OSTST 2009 Program (PDF - 16 MB) - contains abstracts
The Presentations and Posters from t... More |
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2008 OSTST Meeting Home | Agenda | Location | Lodging
2008 Ocean Surface Topography Science Team Meeting at the OSTM/Jason-2 Launch Thursday, 19 June 2008 Santa Ynez Valley Marriot, Del Mar ... More |
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2008 OSTST Meeting Home | Agenda | Location | Lodging
Del Mar Room, Santa Ynez Valley Marriot, Buellton, California Last Updated: 6/12/2008
June 19, 2008 - Thursday
8:15 Registration ... More |
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2008 OSTST Meeting Home | Agenda | Location | Lodging
Santa Ynez Valley Marriott:
http://www.marriott.com/hotels/travel/sbasy-santa-ynez-valley-marriott/
Map and Directions to Hotel:
... More |
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2008 OSTST Meeting Home | Agenda | Location | Lodging
Due to the unpredictable nature of a launch, we are unable to reserve a block of rooms for participants of the OSTST at the OSTM/Jason-2 lau... More |
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JPL Scientist Honored by President Obama With Early Career Award
January 15, 2010
JPL oceanographer Josh Willis was honored by President Obama at the White House on Wednesday, Jan. 13,... More |
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The "Oceans' Music: Climate's Dance" highlights the ocean-climate link and provides educational activities that can be used in the middle school or informal education venues. This eye catching poste... More |
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This game is suitable for play both within and outside of the classroom, and although designed for children ages 9-13, it offers a fun, learning opportunity for the entire family. In addition to being... More |
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Wrest Point Hobart, Australia
March 12 - 15, 2007
Report of the 2007 OSTST Meeting (PDF, 818 KB)
FINAL PROGRAM (PDF, 3.37 MB)
PARTNERS
LINKS
NASA Ocea... More |
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2008 OSTST Meeting, Nice, France
Summary of the 2008 OSTST (PDF, 838 KB) (from NASA's Earth Observer newsletter)
All presentations from the 2008 OSTST meeting in Nice can be found ... More |
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Select YearFeatures Archive
2010
2009
2008
2007
2006
2005
2004
2003
2002
2010
... More |
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Select YearFeatures Archive
2010
2009
2008
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Select Year
2010
2009
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2005
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08/31/2010
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Powerful Properties | Watching our Waters | Fishy Facts | Astounding Aquatic Animals | Miscellaneous Marine Matters
Powerful Properties & Provocative Peculiarities
Earth's ocean is very imp... More |
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Oceans control the Earth's weather as they heat and cool, humidify and dry the air and control wind speed and direction. And the weather determines not just what you'll wear to work in the week ahead-... More |
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View the JPL OSTM/Jason-2 Spacecraft Fact Sheet (PDF, 1.61 MB)
View the NASA OSTM/Jason-2 Mission Fact Sheet (PDF, 278 KB)
Science Objectives
Extend the time series... More |
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This artists concept shows the TOPEX/Poseidon and Jason-1 tandem mission.
More than sixteen years after the launch of TOPEX/Poseidon, and more than seven years after the launch of Jason-1, OSTM/Jaso... More |
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Nullam tempus sodales tortor ut gravida. Ut eget ipsum augue, sed aliquet velit. Pellentesque sollicitudin fermentum leo, sit amet porttitor sapien pellentesque vitae? Vivamus hendrerit ligula non nul... More |
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