Hundreds of millions of tons of dust are picked up from the deserts of Africa and blown across the Atlantic Ocean each year. That dust helps build beaches in the Caribbean and fertilize soils in the Amazon. It affects air ...
Earth Sciences
Sep 13, 2013
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Dust, which affects weather and climate and can be hazardous to health, can be generated when sand or silt grains are either dislodged from the surface by other windblown grains (saltation) or lifted by wind directly (direct ...
Earth Sciences
Sep 3, 2013
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The North Atlantic Oscillation (NAO) is the most important type of climatic variability in the northern hemisphere. It controls the strength of westerly winds between the "Azores high"' and the "Icelandic low" that bring ...
Earth Sciences
Aug 9, 2013
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This Atlantic hurricane season may not be quite as busy as U.S. forecasters once thought, but they still warn of an unusually active and potentially dangerous few months to come.
Earth Sciences
Aug 8, 2013
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(Phys.org) —Do tornadoes take the weekends off? Researchers from NC State University examined the question of the connection between tornado frequency and aerosol pollution, and found that any link between the two is tenuous ...
Earth Sciences
Jul 30, 2013
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Following the successful launch today, June 20, of a NASA Terrier-Improved Orion sounding rocket, launch teams are now preparing for a two-rocket salvo June 24 from the Wallops Flight Facility, Va.
Space Exploration
Jun 20, 2013
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(Phys.org) —The time draws near. NASA is getting ready to launch a new mission, a mission to observe a largely unexplored region of the solar atmosphere that powers its dynamic million-degree outer atmosphere and drives ...
Space Exploration
May 22, 2013
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(Phys.org) —When renowned explorer Richard E. Byrd returned from the first-ever flight to the North Pole in 1926, he sparked a controversy that remains today: Did he actually reach the pole?
Earth Sciences
Apr 8, 2013
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(Phys.org)—In a clever reuse of hardware originally built to test parts of NASA's QuikScat satellite, the agency will launch the ISS-RapidScat instrument to the International Space Station in 2014 to measure ocean-surface ...
Space Exploration
Jan 29, 2013
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The Atmospheric Infrared Sounder instrument that flies on NASA's Aqua satellite provides valuable data to tropical cyclone forecasters, and revealed sinking air, a small area of powerful thunderstorms, and a slightly elongated ...
Earth Sciences
Jan 15, 2013
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