News tagged with observation satellite

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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New, space-based view of human-made carbon dioxide

Scientists have produced the first global maps of human emissions of carbon dioxide ever made solely from satellite observations of the greenhouse gas. The maps, based on data from NASA's Orbiting Carbon Observatory-2 (OCO-2) ...

dateNov 02, 2016 in Environment
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