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The image above shows Pacific Ocean temperatures at their peak on December 10, 1997.

Eye on the Ocean

TOPEX/Poseidon measured the gradual build-up of warm water in the easter equatorial Pacific.
Feature Article
July 22, 2020
The SSM/I image above shows the El Nino that occurred in 2014.

El Niño or Not?

An ocean general circulation model produces sea level and temperature responses to four separate events.
Feature Article
July 21, 2020
A worker maintains a Tropical Atmosphere Ocean (TAO) buoy on the equatorial El Niño array in the Pacific Ocean.

Double Vision

The TOPEX and Poseidon satellites monitor ocean surface topography.
Feature Article
July 21, 2020
ASTER acquired this image of Mount St. Helens on August 8, 2000.

Domes of Destruction

Scientists study Mount Unzen in Japan to explore the use of satellite data to monitor volcanic domes.
Feature Article
July 21, 2020
This maize in Zimbabwe appears to be thriving in its early stages, but its grain yield will depend on proper timing of rains.

Distant Fields of Grain

Remote estimates of crop yields help international aid agencies decide how to act.
Feature Article
July 21, 2020
February 5, 2000. This image captures the iceberg after it split into two sections (A and B).

Disintegration of the Ninnis Glacier Tongue

Many processes that shape the Earth's landscape happen too slowly to be witnessed in a human lifetime. But recent analysis of satellite imagery shows that a large glacier tongue on the coast of East Antarctica has disintegrated, changing the shape of the coastline almost overnight.
Feature Article
July 21, 2020
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