Our Rising Seas

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.

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 Poster

Sentinel-6 Michael Freilich spacecraft logo

The Legacy of Topex/Poseidon

El Niño/La Niña

OSTM/Jason-2 insignia for launch vehicle

CNES Jason Logo

El Niño Poster

Launching aboard the joint U.S.-European Sentinel-6 Michael Freilich satellite is NASA’s next instrument that will help improve weather forecasting.

TOPEX/Poseidon Poster (no text)

TOPEX/Poseidon Measurement System

Sea Level

Sea Surface Height

Mapping Global Ocean Circulation

CNES logo

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

Global sea level rise is accelerating incrementally over time rather than increasing at a steady rate, as previously thought, according to a new study based on 25 years of NASA and European satelli...

Jason-1 with 3 Ships

Tracking the Oceans' Height To Understand Earth's Climate

Jason-1 and TOPEX/Poseidon Bookmark

Sentinel-6 Michael Freilich fairing logo

TOPEX/Poseidon Fact Sheet

Wind Speed

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