Our Rising Seas

La Niña Series

Changing conditions in the Pacific have stirred up Earth’s largest ocean and redistributed its heat, piling up warm waters along U.S. Western shores and raising sea level in the process.

Tracking the Oceans' Height To Understand Earth's Climate

Water & Energy

Bringing Satellite Data Down to Earth

Sentinel-6 Michael Freilich spacecraft logo

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...

TOPEX/Poseidon JPL Open House '99 Display

TOPEX/Poseidon Measurement System

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

Ionospheric Total Electron Content

Greenland and Antarctica are home to most of the world's glacial ice – including its only two ice sheets – making them areas of particular interest to scientists.

Pacific Decadal Oscillation flyer

How We Fly Our Satellite- JPL Open House '99 Display

TOPEX/Poseidon Fact Sheet

On the left is Sea Surface Height Anomalies (SSHA) relative to the sea level mean (1993-2018). On the right is Global Mean Sea Level (GMSL) with the sea level trend as the straight line. The data a...

Water Vapor

Ocean Dynamic Topography

Jason-1 Fact Sheet

TOPEX/Poseidon Measurement System

For NASA engineer Shannon Statham, building spacecraft is all about being creative.

On Aug. 26, 2015 at 9:30 a.m. PT, NASA hosted a media teleconference to discuss recent insights on sea level rise and the continuing challenge of predicting how fast and how much sea level will ris...

Mapping Global Ocean Circulation

Sea Level

The Legacy of Topex/Poseidon