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Life

The Largest River Delta in Europe
Image

The Largest River Delta in Europe

The Volga Delta has grown significantly over the past 130 years.

Published Nov 9, 2018

Image of the Day Land Life Water

Watching Out for Whales
Image

Watching Out for Whales

Environmental variables detected by satellites can help reduce collisions between ships and blue whales.

Published Nov 1, 2018

Image of the Day Life Water Remote Sensing

Chlorophyll
Global Maps

Chlorophyll

Chlorophyll is used by algae and other phytoplankton--the grass of the sea--to convert sunlight and carbon dioxide into sugars. These maps show chlorophyll concentrations in the ocean, revealing where phytoplankton are thriving.

Jun 2002 — Sep 2018

Life Water

Vegetation
Global Maps

Vegetation

Greenness is an important indicator of health for forests, grasslands, and farms. The greenness of a landscape, or vegetation index, depends on the number and type of plants, how leafy they are, and how healthy they are.

Feb 2000 — Sep 2018

Land Life

A Blackwater River Meets the Sea
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A Blackwater River Meets the Sea

A satellite image offers inky evidence of the organic-rich freshwater that the Suwannee River delivers to the Gulf of Mexico.

Published Oct 27, 2018

Image of the Day Land Life Water