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An Upended Ecosystem in the Arabian Sea
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Published August 5, 2021
How can snow cover on the Himalayas influence the species that thrive in the ocean a thousand kilometers away?
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Phytoplankton Surge in Arctic Waters
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Published July 30, 2020
The floating plant-like organisms are showing up in higher concentrations across the Arctic Ocean.
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Seeing the Sea Through the Years
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Published April 30, 2019
In several decades of observing the ocean with satellites, our vision has changed as much as the sea.
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Mosaic of the Arctic
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Published October 28, 2016
The fragility of our home planet is apparent in this view of the whole Arctic region in September 2012, when sea ice reached its lowest minimum extent ever observed in the satellite record.
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Finding Hidden Shoals on the North Slope
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Published September 17, 2015
By analyzing satellite images of sediments, coastal researchers and cartographers can identify potential shallows, shoals, and shipping hazards.
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Changing Views of Fine Particulate Pollution
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Published June 24, 2015
Improved data from several satellites illustrates how concentrations of fine particulate pollution have changed over time.
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Methane Emissions from the Arctic Ocean
Published May 9, 2012
Airborne measurements detect the greenhouse gas rising out of cracks in the ice cap.
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Thirteen Years of Greening from SeaWiFS
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Published April 5, 2011
The image of SeaWiFS data as a global average over the entire 13-year record shows the greenness of Earth's oceans and land masses.
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Aral Sea
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Published November 24, 2009
The Aral Sea on June 4, 1977, Sept. 17, 1989, and May 27, 2006. Image courtesy of USGS.
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Aral Sea Continues to Shrink
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Published August 27, 2009
In the first half of the twentieth century, it was the world’s fourth-largest lake. By August 2009, virtually nothing remained of the largest lobe.
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Global Biosphere
Published June 6, 2009
The sum of Earth's plants, on land and in the ocean, changes slightly from year to year as weather patterns shift. This pair of images contrasts average plant growth in 2002 to growth in 2008, revealing small interannual changes.
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