TOPEX/Poseidon Ground Tracks

This video discusses the water cycle, which is the movement of water around the Earth, and its importance to life. Changes to the water cycle affect climate and vice versa.

TOPEX/Poseidon Poster (no text)

Launch preparations are progressing! (11/21/01) Photos: Stacy Mitchell of John Hopkins APL/TIMED project

High Resolution Jason-1 launch images

This artist's concept show Jason-3 over France.

This artist's concept show Jason-3 over the Amazon.

SSH and SST - Pacific Ocean

Earth’s rising seas are some of the most visible signs of our warming planet. Over the last 23 years, NASA satellite missions have observed a steady rise in global sea levels as polar ice sheets me...

Jason-1 readies for launch in its bay at Vandenberg, AFB (10/31/01)

Jason-1: LRA instrument

The joint U.S.-European Sentinel-6 Michael Freilich is the next in a line of Earth-observing satellites that will collect the most accurate data yet on sea level and how it changes over time. With ...

For over 20 years NASA has been tracking the global surface topography of the ocean in order to understand the important role it plays in our daily lives. Climate change is causing our Ocean to war...

OSTM/Jason-2 Artist's Concept

TOPEX/Poseidon launch

A look at how NASA is dealing with the threat of sea level rise to its coastal infrastructure.

Jason-3 Ready for Launch

After living in coastal Virginia and seeing the effects of climate change firsthand, Ben Hamlington is now researching sea level rise at NASA JPL.

NASA Climate Watcher Waves Goodbye

Watching Our Oceans

A SpaceX Falcon 9 rocket lifts off from Space Launch Complex 4 at Vandenberg Air Force Base carrying the Jason-3 spacecraft. Liftoff was at 10:42 a.m. PST (1:42 p.m. EST).

Oceans' Role in Climate - Jason-1

The Jason-3 satellite, launched on January 17, 2016, is allowing scientists to continue a 23-year record of crucial ocean monitoring.

For NASA JPL engineer Parag Vaze, studying Earth’s rising ocean has been a career three decades in the making.

This illustration shows the Sentinel-6 Michael Freilich spacecraft in orbit above Earth with its deployable solar panels extended.

Jason-3 Lifts Off!