(Phys.org)—How accurate is the latest generation of climate models? Climate physicist Reto Knutti from ETH Zurich has compared them with old models and draws a differentiated conclusion: while climate modelling ...
Nov 07, 2012
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(Phys.org)—Using dogwood trees, scientists are gaining a better understanding of the role photosynthesis and respiration play in the atmospheric carbon dioxide cycle. Their findings will aid computer modelers ...
Nov 01, 2012
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(Phys.org)—Warmer climates won't necessarily speed the return of nitrogen to soils as scientists once thought, according to a Purdue University study.
Nov 01, 2012
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(Phys.org)—The mineral properties of the aerosol particles and the wavelength distribution of incident light combine to determine whether a dust particle reflects radiation and cools the local atmosphere, ...
Oct 31, 2012
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The 2011 La Niña was so strong that it caused global mean sea level to drop by 5 millimeters (0.2 inches), a new study shows. Since the early 1990s, sea level has been rising by about 3 millimeters (0.1 inches) per year, ...
Oct 29, 2012
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With greenhouse warming, rainfall in the South Pacific islands will depend on two competing effects – an increase due to overall warming and a decrease due to changes in atmospheric water transport – ...
Oct 28, 2012
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Clouds are influenced by the company they keep. Scientists at Pacific Northwest National Laboratory and the National Center for Atmospheric Research (NCAR) found that ocean-hugging clouds in clean regions ...
Oct 26, 2012
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Water: about 60 % of our body weight is made up of it; it is the body's principal chemical component. Every system in our body depends on it; it carries nutrients to our cells and it takes toxins out of vital ...
Oct 23, 2012
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At the end of the 21st century, the temperature in the Baltic Sea will be higher and the salt content lower than at any time since 1850. If no action is taken to alleviate the effects of climate change, there may be major ...
Oct 22, 2012
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Since 1859, when Darwin's classic work "On the Origin of Species" was published, we have known that populations change over the course of time. The ability to adapt to changing surroundings is the basis ...
Oct 19, 2012
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(Phys.org)—Call them cloud wannabes. Scientists at Pacific Northwest National Laboratory found that when the sky is described as partly cloudy, particles near those clouds swell larger with water vapor. ...
Oct 18, 2012
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(Phys.org)—An international group of researchers, including Pacific Northwest National Laboratory scientists Dr. L. Ruby Leung and Dr. Yun Qian, constructed a systematic examination of regional-scale climate ...
Oct 18, 2012
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(Phys.org)—Scientific modeling methods that predicted climate change on Earth have been found to be accurate on Mars as well, according to a paper presented at an international planetary sciences conference ...
Oct 16, 2012
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Ice-sheet retreat can halt temporarily during long phases of climate warming, according to scientists.
Oct 16, 2012
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(Phys.org)—Atmospheric chemists at the Harvard School of Engineering and Applied Sciences (SEAS) have found that when it comes to secondary organic material in the atmosphere, there are two distinct breeds: ...
Oct 16, 2012
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