TOPEX/Poseidon Ground Tracks

Our planet is changing. Our ocean is rising. And it affects us all. That’s why a new international satellite will continue the decades-long watch over our global ocean and help us better understand...

QuickTime VR of TOPEX/Poseidon

Inside half of the Delta Clam shell faring

Jason-1 Poster

Sentinel-6 Michael Freilich will join a long-standing family of Earth observing satellites from NASA and European partners.

These photos were taken during the Payload Attach Fitting (PAF) mating operation with Jason-1. (11/14/01) Photos: Scott Michel

Oceans' Role in Climate - Jason-1

Jason-3 on the Launch Pad

Jason-1: LRA instrument

Here we provide side by side comparisons of Pacific Ocean sea surface height (SSH) anomalies of what is presently happening in 2015 with the Pacific Ocean signal during the famous 1997 El Niño.

These photos were taken during the Dual Payload Attach Fitting (DPAF) mating operation with Jason-1. (11/13/01) Photos: Scott Michel

Jason-3 Satellite Prepared For Launch

Altimeter Mission Series

Sea levels across the globe are rising as a result of a changing climate — and the rate at which they are rising is accelerating. NASA Science Live was recorded Tuesday, Nov. 17, 2020, and featured...

High Resolution Jason-1 launch images

Jason-1 on top of the DPAF

Sea Surface Height - Global Average from 1993 - 2011.

Ariane 42P launch vehicle

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...

SSH and SST - Global

In many communities in the U.S., sea level rise is already a factor in people’s lives in the form of high-tide flooding.

Jason-3

Jason-1 launch images

Early morning at the launch pad

Growing up in landlocked Zimbabwe, NASA JPL engineer Shailen Desai was far from the ocean but still experienced its effects on the climate. Now, he is contributing to an international effort to tra...