Black carbon, also known as soot, emitted from combustion of fuels and biomass burning, absorbs solar radiation in the atmosphere and is one of the major causes of global warming, after carbon dioxide emissions. When black ...
Earth Sciences
Aug 14, 2013
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With the simple act of watering a plant, humans alter the balance of moisture in soil and the climate. Atmospheric scientists at Pacific Northwest National Laboratory included irrigation in a climate model and found that ...
Earth Sciences
Aug 5, 2013
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The ionosphere, one of the regions of the upper atmosphere, plays an important role in global communications. Ionized by solar radiation, this electricity-rich region is used for the transmission of long wave communications, ...
Earth Sciences
Jul 30, 2013
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A recent increase in polar mesospheric clouds could be due to a recent increase in space traffic, a new study suggests. Polar mesospheric clouds are diffuse collections of water ice crystals in the mesosphere near the poles ...
Earth Sciences
Jul 15, 2013
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How severely have volcanoes contaminated the atmosphere with sulfur particles in past millennia? To answer this question, scientists use ice cores, among others, as climate archives. But the results differ, particularly in ...
Earth Sciences
Jul 8, 2013
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How does the sun's energy flow? Despite the fact that we live relatively close (93 million miles, or eight light-minutes) to this star, and that we have several spacecraft peering at it, we still know little about how energy ...
Space Exploration
Jun 25, 2013
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Taking part in the largest U.S. air quality field project in decades, the National Center for Atmospheric Research (NCAR) is working with partners to study pollution in the Southeast. The study looks at the impact of chemical ...
Earth Sciences
Jun 19, 2013
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Deciphering the molecular composition of organic aerosols, or OA, in the atmosphere is essential for understanding how these complex aerosols transform and impact the environment and climate forcing. The chemical composition ...
Environment
Jun 17, 2013
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Solar radiation in Spain has increased by 2.3% every decade since the 1980s, according to a study by researchers from the University of Girona and the Federal Institute of Technology (ETH) in Zurich. This increase is linked ...
Earth Sciences
Jun 6, 2013
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(Phys.org) —Hydrogen is the most abundant element in the universe. The way it responds under extreme pressures and temperatures is crucial to our understanding of matter and the nature of hydrogen-rich planets.
Condensed Matter
Jun 3, 2013
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