Water

Cyclone-Damaged Mayotte
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Cyclone-Damaged Mayotte

Lush green hillsides turned brown after Cyclone Chido hit the islands in December 2024.

Published Jan 6, 2025

Image of the Day Atmosphere Land Water Severe Storms

Phytoplankton Flourish in Patagonian Waters
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Phytoplankton Flourish in Patagonian Waters

Microscopic floating organisms proliferated to turn surface waters bright green and milky blue around the Falkland Islands.

Published Jan 3, 2025

Image of the Day Water Water Color

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.

Jul 2002 — Dec 2024

Life Water

Iraq’s “Sea of Salt”
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Iraq’s “Sea of Salt”

Water levels were low in Razazah Lake when an astronaut snapped this photograph from the International Space Station.

Published Dec 29, 2024

Image of the Day Water

Volcanic Vistas of the Guatemala Highlands
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Volcanic Vistas of the Guatemala Highlands

Tens of thousands of years after an historical super-eruption, the region is now covered with deep blue water and lush volcanic terrain.

Published Dec 27, 2024

Image of the Day Water