News tagged with satellite observations

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Satellites reveal bird habitat loss in California

Drought and reduced seasonal flooding of wetlands and farm fields threaten a globally important stopover site for tens of thousands of migratory shorebirds in California's Sacramento Valley, a new Duke University-led study ...

dateMar 27, 2017 in Ecology
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CryoSat reveals Antarctica in 3-D

Around 250 million measurements taken by ESA's CryoSat over the last six years have been used to create a unique 3-D view of Antarctica, offering a snapshot of the undulating surface of this vast ice sheet.

dateMar 27, 2017 in Earth Sciences
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Video: 30 years of deforestation in Rio Branco

Deforestation near the northwestern Brazilian city of Rio Branco has made its mark on the rainforest over the last 30 years. By comparing a Landsat-5 image from 1985 with a Copernicus Sentinel-2 image from 2016, we can see ...

dateMar 22, 2017 in Environment
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A universe of 2 trillion galaxies

An international team of astronomers, led by Christopher Conselice, Professor of Astrophysics at the University of Nottingham, have found that the universe contains at least 2 trillion galaxies, ten times more than previously ...

dateJan 16, 2017 in Astronomy
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