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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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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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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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Green Space is Good for Mental Health
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Published July 17, 2019
New study uses satellite and demographic data to show how the prolonged presence of green space is important for a healthy society.
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Atmospheric River Swells Terrestrial Rivers
Published July 6, 2019
In late June 2019, a potent atmospheric river event carried soaking rain into southern Chile, dropping nearly a month’s worth of precipitation in just 48 hours.
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Mapping the Land Between the Tides
Published July 2, 2019
Harnessing 30 years of Landsat data, researchers have created the first three-dimensional model of Australia’s entire coastline.
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Lusi in the Sea with Deltas
Published June 24, 2019
Downstream of the Lusi mud flow, mangrove forests are expanding onto new land and shrimp farmers are adjusting to a muddier reality.
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Alaska in Flux: Wildfire Recovery Paints Alaska Green
Published February 21, 2019
A large and lasting footprint on the state’s landscape comes from wildfire.
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Ice Loss Slows Down Asian Glaciers
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Published December 14, 2018
Melting and thinning of high-mountain glaciers makes them flow less due to gravity.
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Black Belt Prairie
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Published June 21, 2018
The crescent-shaped area of fertile, cultivated land stretches through parts of Mississippi and Alabama.
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