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When Rivers are Borders
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Published September 17, 2020
A new dataset reveals interesting patterns about where and why rivers define national borders.
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How Rivers Shape States
Published September 8, 2020
Many state and local boundaries around the world—including many in the United States—are the product of rivers.
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A Global Water Hyacinth Invasion
Published September 2, 2020
A new study found that the abundance of these floating plants has increased due to urbanization.
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Mapping the Roots of Mangrove Loss
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Published August 25, 2020
While the rate of losses has declined, the ecosystems are still threatened and are facing more environmental stress.
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Still Sandy After All These Years
Published May 14, 2020
In 2002, Earth Observatory published one of the site’s most popular images: the Great Bahama Bank. Eighteen years later, the science has advanced but the sand has not.
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Saving Straddie’s Sand
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Published May 7, 2020
After seven decades, sand mining operations have stopped in Australia’s North Stradbroke Island.
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Admiralty Island: “Fortress of the Bears”
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Published April 24, 2020
Brown bears abound on this Alaskan island, parts of which have seen both widespread clear-cutting and forest regrowth in recent decades.
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Rivers Are Getting Less Icy
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Published February 19, 2020
The window of time available to make and use ice roads is closing.
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Thwaites Glacier Transformed
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Published February 6, 2020
The amount of ice flowing from the Antarctic glacier has doubled in the span of three decades, and scientists think it could undergo even more dramatic changes in the near future.
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Tracking Amazon Deforestation from Above
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Published December 19, 2019
Satellites have played a key role in monitoring and reducing the rate of deforestation in the rainforest.
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Spotting the Spotted Owl: 30 Years of Forest Disturbance
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Published December 23, 2019
Wildfires make a significant mark on the bird’s nesting and roosting habitat.
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Spotting the Spotted Owl: 30 Years of Habitat Change
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Published December 18, 2019
Maps of forest cover type show where the composition and structure of the forest is sufficient for the threatened species to nest and roost.
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Patchwork of Corn in the Snow
Published December 6, 2019
In the wake of a potent winter storm in late November in the U.S. Midwest, an unusual pattern turned up in satellite imagery.
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Great Fox is Disappearing
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Published December 2, 2019
Rising waters are swallowing up another island in Chesapeake Bay.
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Mapping the Amazon
Published September 26, 2019
In spite of its clear significance to the planet, the expansive region is a complex and challenging place for remote sensing scientists to study.
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Malaspina on the Move
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Published September 11, 2019
More than 30 years of ice velocity data are helping scientists tease out how mountain glaciers respond to climate change.
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