NASA Sea Level Change Portal: Data

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Satellites, ships and planes reveal previously unknown geography beneath ice cover in Greenland and Antarctica.

Seeing hidden worlds under melting ice

Seeing hidden worlds under melting ice

South America's Patagonian icefields are melting away at some of the highest rates on the planet, contributing to sea level rise. Satellite images highlight this dynamic region.

Melting beauty: The Patagonian icefields

Melting beauty: The Patagonian icefields

The laser ranging interferometer (LRI) instrument has been successfully switched on aboard the recently launched twin U.S./German Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) satellites.

First laser light for GRACE Follow-On

First laser light for GRACE Follow-On

A plume of warm water is the reason one of two adjoining glaciers in Greenland is melting almost four times as fast as the other.

OMG, the water's warm! NASA study solves glacier puzzle

OMG, the water's warm! NASA study solves glacier puzzle

An international oceanography satellite that is tracking the ongoing rise in global sea level marks a decade in orbit.

Prolific sea-observing satellite turns 10

Prolific sea-observing satellite turns 10

Ice losses from Antarctica have tripled since 2012, increasing global sea levels by 0.12 inch (3 millimeters) in that timeframe alone.

Ramp-up in Antarctic ice loss speeds sea level rise

Ramp-up in Antarctic ice loss speeds sea level rise