News tagged with observations

Amazon plant growth detectable at last

Until recently it was impossible to carry out large-scale measurements of photochemical activity in the tropical rainforest and therefore draw conclusions on the subject. A chance success – a measurement ...

dateJun 05, 2013 in Space Exploration
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Prepping for radar vision

Sentinel-1A, Europe's first satellite for Copernicus, is almost ready for launch on 3 April. Meanwhile, ESA is showing how its advanced radar will map ice, monitor subsidence and much more.

dateMar 19, 2014 in Earth Sciences
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First radar vision for Copernicus

Launched on 3 April, ESA's Sentinel-1A satellite has already delivered its first radar images of Earth. They offer a tantalising glimpse of the kind of operational imagery that this new mission will provide ...

dateApr 17, 2014 in Earth Sciences
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Image: Global cloud fraction map of Earth

Decades of satellite observations and astronaut photographs show that clouds dominate space-based views of Earth. One study based on nearly a decade of satellite data estimated that about 67 percent of ...

dateMay 11, 2015 in Earth Sciences
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GPS also helps to analyze global water resources

WaterGAP (Water Global Assessment and Prognosis) is a hydrological model used to model water shortage, groundwater depletion, and floods and droughts (e.g. as impacted by climate change) over the land area of the globe. The ...

dateMar 19, 2014 in Environment
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