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The insides of clouds may be the key to climate change
02-17-2007 · EurekAlert!As climate change scientists develop ever more sophisticated climate models to project an expected path of temperature change, it is becoming increasingly important to include the effects of aerosols on clouds, according to Joyce E. Penner, a leading atmospheric scientist at the University of Michigan.
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Keywords: insides, clouds, key, climate, change, inside, cloud
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- Researchers link ocean organisms with increased cloud cover and potential climate change
11-06-2006 · EurekAlert!
Atmospheric scientists have reported a new and potentially important mechanism by which chemical emissions from ocean phytoplankton may influence the formation of clouds that reflect sunlight away from our planet.
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- European lead in reading past climates from ice cores
10-11-2007 · EurekAlert!
Climate change is a reality today, but how can we find out about the future dangers it poses? What we really need is a full record of the Earth's climate for several hundred thousand years, complete with samples of air from different epochs that can be taken to the lab for analysis. Incredibly, this record exists, in the icecaps of the Arctic and Antarctic regions, and a European Science Foundation program has a key role in deciphering it.
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- US Climate Change Science Program provides key contributions to IPCC fourth assessment
02-15-2007 · EurekAlert!
Research conducted by scientists funded through the U.S. Climate Change Science Program (CCSP) has helped resolve key uncertainties about the causes of global climate change and has helped refine projected future changes in temperature and sea-level rise, as published in the Working Group I contribution to the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report, the summary of which was issued Feb. 2, 2007.
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- Wildfire drives carbon levels in northern forests
10-31-2007 · EurekAlert!
Far removed from streams of gas-thirsty cars and pollution-belching factories lies another key player in global climate change. Circling the northern hemisphere, the conifer-dominated boreal forests -- one of the largest ecosystems on earth -- act as a vast natural regulator of atmospheric carbon levels.
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- Scientists to track impact of Asian dust and pollution on clouds, weather, climate change
04-18-2007 · EurekAlert!
Scientists using the nation's newest and most capable aircraft for environmental research are launching a far-reaching field project this month to study plumes of airborne dust and pollutants that originate in Asia and journey to North America. The plumes are believed to affect weather systems and global climate.
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- Scientists to track impact of Asian dust and pollution on clouds, climate change
04-18-2007 · EurekAlert!
Scientists using one of the nation's newest and most capable research aircraft are launching a far-reaching field project this month to study plumes of airborne dust and pollutants that originate in Asia and journey to North America. The plumes are among the largest such events on Earth, so great in scope that scientists believe they might affect clouds and weather across thousands of miles while interacting with the sun's radiation and playing a role in global climate.
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- Ocean's 'twilight zone' may be a key to understanding climate change
04-27-2007 · EurekAlert!
A major study sheds new light on the role of carbon dioxide once it's transported to the oceans' depths. The research indicates that instead of sinking, carbon dioxide is often consumed by animals and bacteria and recycled in the "twilight zone," a dimly lit area 100 to 1,000 meters below the surface.
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- New study increases concerns about climate model reliability
12-11-2007 · EurekAlert!
A new study comparing the composite output of 22 leading global climate models with actual climate data finds that the models do an unsatisfactory job of mimicking climate change in key portions of the atmosphere. This research, published online Wednesday in the Royal Meteorological Society's International Journal of Climatology, raises new concerns about the reliability of models used to forecast global warming.
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- Climate experts search for answers in the oceans
12-11-2006 · European Space Agency (ESA)
By absorbing half of the carbon dioxide emitted into the atmosphere, the oceans have a profound influence on climate. However, their ability to take up this carbon dioxide might be impaired as a result of climate change. To determine their response to global warming, ESA has backed two projects that provide systematic data on key oceanic variables – colour and temperature.
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- Scientists track impact of Asian dust and pollution on clouds, climate change
04-19-2007 · EurekAlert!
Scientists using one of the nation's newest and most capable research aircraft are launching a far-reaching field project this month to study plumes of airborne dust and pollutants that originate in Asia and journey to North America.
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