Our Rising Seas

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TOPEX/Poseidon Measurement System

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...

Water & Energy

TOPEX/Poseidon Measurement System

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

TOPEX/Poseidon Fact Sheet

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Ocean Dynamic Topography

Bringing Satellite Data Down to Earth

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Water Vapor

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...

Jason-1 with 3 Ships

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...

El Niño/La Niña

El Niño Series

Measuring El Niño & La Niña - JPL Open House '99 Display

Natural Hazards

This animation illustrates the evolution of sea surface temperature (SST) anomalies (relative to the respective normal state) in the Pacific Ocean associated with the 2015-2016 El Niño.

Applications of Spaceborne Altimetry

TOPEX/Poseidon Poster (no text)

This visualization shows total sea level change between 1992 and 2019, based on data collected from the TOPEX/Poseidon, Jason-1, Jason-2, and Jason-3 satellites. Blue regions are where sea level ha...

TOPEX/Poseidon Fact Sheet