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2009-07-23 14:15:00

The role of clouds in climate change has been a major question for decades. As the earth warms under increasing greenhouse gases, it is not known whether clouds will dissipate, letting in more of the sun's heat energy and making the earth warm even faster, or whether cloud cover will increase, blocking the Sun's rays and actually slowing down global warming.In a study published in the July 24 issue of Science, researchers Amy Clement and Robert Burgman from the University of Miami's...

769ea92abd2a551ef7cc4ac8bc2d14d81
2009-06-20 15:33:28

Researchers trace a problem with a key climate model to its hyrdrology scheme and find a simpler scheme keeps simulations in line with real-world observations Imagine a climate model as a black box. You put something in, you get something out. But what happens when the output is completely unexpected? "If you don't get the results you expect, that's when you start to ask why," said climate modeler Peter Lawrence from the University of Colorado at Boulder's Cooperative Institute for Research...

2009-01-16 09:00:00

WASHINGTON, Jan. 16 /PRNewswire-USNewswire/ -- Scientists need a more detailed understanding of how human-produced atmospheric particles, called aerosols, affect climate in order to produce better predictions of Earth's future climate, according to a NASA-led report issued by the U.S. Climate Change Science Program on Friday. (Logo: http://www.newscom.com/cgi-bin/prnh/20081007/38461LOGO) "Atmospheric Aerosol Properties and Climate Impacts," is the latest in a series of Climate Change...

adcc77dcc975f7c4fa1534c700d25edb1
2009-01-16 09:40:00

WASHINGTON -- Scientists need a more detailed understanding of how human-produced atmospheric particles, called aerosols, affect climate in order to produce better predictions of Earth's future climate, according to a NASA-led report issued by the U.S. Climate Change Science Program on Friday. "Atmospheric Aerosol Properties and Climate Impacts," is the latest in a series of Climate Change Science Program reports that addresses various aspects of the country's highest priority climate...

2009-01-14 13:38:00

NEW YORK, Jan. 14 /PRNewswire-USNewswire/ -- NASA climate scientist James E. Hansen has been chosen by his peers to receive the 2009 Carl-Gustaf Rossby Research Medal, the highest honor bestowed by the American Meteorological Society (AMS). (Logo: http://www.newscom.com/cgi-bin/prnh/20081007/38461LOGO) Longtime director of the NASA Goddard Institute of Space Studies (GISS) in New York, Hansen earned the Rossby Medal for "outstanding contributions to climate modeling, understanding climate...

38a2011a413d1b44e0b1a8893db90f8d1
2008-12-20 11:10:00

The frequency of extremely high clouds in Earth's tropics -- the type associated with severe storms and rainfall -- is increasing as a result of global warming, according to a study by scientists at NASA's Jet Propulsion Laboratory, Pasadena, Calif. In a presentation yesterday to the fall meeting of the American Geophysical Union in San Francisco, JPL Senior Research Scientist Hartmut Aumann outlined the results of a study based on five years of data from the Atmospheric Infrared Sounder...

9b4efae94ffb417d22a95ca061181d7d1
2008-12-20 09:30:00

Future increases in wind strength along the California coast may have far-reaching effects, including more intense upwelling of cold water along the coast early in the season and increased fire danger in Southern California, according to researchers at the Climate Change and Impacts Laboratory at the University of California, Santa Cruz. Earth scientist Mark Snyder presented the findings in a poster titled "Future Changes in Surface Winds in the Western U.S. due to Climate Change" at the Fall...

3fbb4d16208d552b34c93d6b5c4e90e81
2008-12-19 14:45:00

Rising Seas, Severe Drought, Could Come in Decades, Says U.S. Report The United States could suffer the effects of abrupt climate changes within decades "” sooner than some previously thought - says a new government report. It contends that seas could rise rapidly if melting of polar ice continues to outrun recent projections, and that an ongoing drought in the U.S. west could be the start of permanent drying for the region. Commissioned by the U.S. Climate Change Science Program, the...

2008-11-12 09:00:12

The National Center for Atmospheric Research (NCAR) and Sun Microsystems, Inc. (NASDAQ:JAVA) today announced the arrival of AMSTAR, a new digital storage library that will preserve and protect valuable scientific data for the next 15 to 20 years. The new system, designed by Sun Microsystems and based on the Sun StorageTek(TM) SL8500 Modular Library, will give NCAR five times its current storage capacity, enabling it to generate increasingly sophisticated computer studies of Earth's climate....

d964ef1c22d080a0c83de33f67c483281
2008-10-23 15:15:00

Scientists are hoping to discover new information on how clouds over the Pacific Ocean can affect the global climate and weather systems. The clouds, some greater than the size of the US, refract sunlight back into space and chill the ocean below. The researchers expect to learn about the clouds' properties and if pollution from activities could alter the arrangement of these cloud systems. The study will engage 200 scientists from 10 countries in the research. An additional team of 20...


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  • Color; hue; complexion.
This word is Middle English in origin.
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