News tagged with aerosol
Researchers show how organic carbon compounds emitted by trees affect air quality
A previously unrecognized player in the process by which gases produced by trees and other plants become aerosols—microscopically small particles in the atmosphere—has been discovered by a research team led ...
Aug 06, 2009 |
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Cosmic meddling with the clouds by seven-day magic
Billions of tonnes of water droplets vanish from the atmosphere, as if by magic, in events that reveal in detail how the Sun and the stars control our everyday clouds. Researchers of the National Space Institute in the Technical ...
Space & Earth / Earth Sciences
Aug 01, 2009 |
4.8 / 5 (21) |
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Sulfate lens enhances climate warming properties of atmospheric soot
Particulate pollution thought to be holding climate change in check by reflecting sunlight instead enhances warming when combined with airborne soot, a new study has found.
Space & Earth / Earth Sciences
Jun 29, 2009 |
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Hand-held Aerosol Sensors Help Fill Crucial Data Gap Over Oceans
(PhysOrg.com) -- Since NASA researchers began assembling the Aerosol Robotic Network (AERONET) in the 1990s, the worldwide network of ground-based aerosol sensors has grown to 400 sites across seven continents.
Space & Earth / Earth Sciences
Jun 29, 2009 |
3 / 5 (1) |
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Salt block unexpectedly stretches in new experiments
To stretch a supply of salt generally means using it sparingly.
Nanotechnology / Nanomaterials
Jun 24, 2009 |
4.6 / 5 (7) |
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The mystery of particles
Particles cool down the climate, but to which extent? This has remained an unanswered question for scientists. A new article in Science by Gunnar Myhre at CICERO, Norway, brings the scientific community a step closer to sol ...
Space & Earth / Earth Sciences
Jun 19, 2009 |
4 / 5 (5) |
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Face protection effective in preventing the spread of influenza: study
A new article in the journal Risk Analysis assessed various ways in which aerosol transmission of the flu, a central mode of diffusion which involves breathing droplets in the air, can be reduced. Results show that face p ...
May 20, 2009 |
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Summer haze has a cooling effect in southeastern United States
(PhysOrg.com) -- Global warming may include some periods of local cooling, according to a new study by researchers at the University of California, Berkeley. Results from satellite and ground-based sensor data show that sweltering ...
Space & Earth / Earth Sciences
May 18, 2009 |
2.4 / 5 (8) |
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US wants to move on climate change
(AP) -- The Obama administration, in a major environmental policy shift, is leaning toward asking 195 nations that ratified the U.N. ozone treaty to enact mandatory reductions in hydrofluorocarbons, according ...
Apr 30, 2009 |
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Aerosols May Drive a Significant Portion of Arctic Warming
(PhysOrg.com) -- Though greenhouse gases are invariably at the center of discussions about global climate change, new NASA research suggests that much of the atmospheric warming observed in the Arctic since ...
Space & Earth / Earth Sciences
Apr 08, 2009 |
4.3 / 5 (19) |
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Pollution dims skies as well as befouling the air
A University of Maryland-led team has compiled the first decades-long database of aerosol measurements over land, making possible new research into how air pollution changes affect climate change.
Space & Earth / Earth Sciences
Mar 12, 2009 |
1.7 / 5 (6) |
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New aerosol observing technique turns gray skies to blue (w/Video)
(PhysOrg.com) -- Tiny, ubiquitous particles in the atmosphere may play a profound role in regulating global climate. But the scientists who study these particles -- called aerosols -- have long struggled to ...
Space & Earth / Earth Sciences
Mar 12, 2009 |
5 / 5 (1) |
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Dust deposited in oceans may carry elements toxic to marine algae
(PhysOrg.com) -- Dust blown off the continents and deposited in the open ocean is an important source of nutrients for marine phytoplankton, the tiny algae that are the foundation of the ocean food web. But ...
Space & Earth / Earth Sciences
Mar 09, 2009 |
5 / 5 (3) |
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Aerosols -- their part in our rainfall
Aerosols may have a greater impact on patterns of Australian rainfall and future climate change than previously thought, according to leading atmospheric scientist, CSIRO's Dr. Leon Rotstayn.
Feb 12, 2009 |
2.7 / 5 (3) |
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Report calls aerosol research key to improving climate predictions
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 ...
Jan 17, 2009 |
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