Reflecting on Earth's albedo
The amount of sunlight being absorbed or reflected by Earth is one of the driving forces for weather and climate. Satellites are providing this information with unprecedented accuracy.
The amount of sunlight being absorbed or reflected by Earth is one of the driving forces for weather and climate. Satellites are providing this information with unprecedented accuracy.
Space Exploration
Sep 6, 2013
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(Phys.org) —Ten years of satellite observations of greenhouse gases reveal that carbon dioxide in our atmosphere continues to increase despite international efforts to reduce carbon emissions. Satellites also show that ...
Environment
Sep 4, 2013
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The biomass of the northern hemisphere's forests has been mapped with greater precision than ever before thanks to satellites, improving our understanding of the carbon cycle and our prediction of Earth's future climate.
Environment
Jun 27, 2013
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Trace gases and aerosols are major factors influencing the climate. With the help of highly complex installations, such as MIPAS on board of the ENVISAT satellite, researchers try to better understand the processes in the ...
Earth Sciences
May 22, 2013
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(Phys.org)—Space debris came into focus last week at the International Astronautical Congress in Naples, Italy. Envisat, ESA's largest Earth observation satellite, ended its mission last spring and was a subject of major ...
Space Exploration
Oct 11, 2012
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Archived radar data from the Envisat mission are playing an important role in mapping landslides in Switzerland. The mission's vast archives continue to prove useful for mapping ground deformation.
Earth Sciences
Sep 27, 2012
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(Phys.org) -- Archived data from the Envisat satellite show that the volcanic island of Santorini has recently displayed signs of unrest. Even after the end of its mission, Envisat information continues to be exploited for ...
Earth Sciences
May 22, 2012
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Just weeks after celebrating its tenth year in orbit, communication with the Envisat satellite was suddenly lost on 8 April. Following rigorous attempts to re-establish contact and the investigation of failure scenarios, ...
Space Exploration
May 9, 2012
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(Phys.org) -- Optical, radar and laser observations of the Envisat satellite show that it is still in a stable orbit. Efforts to regain contact with the satellite have been under way since 8 April, when it unexpectedly stopped ...
Space Exploration
Apr 23, 2012
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ESA's Envisat satellite has captured images of a sandstorm over Saudi Arabia, Qatar, Bahrain and southern Iraq and Iran.
Earth Sciences
Mar 20, 2012
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