News tagged with atmospheric concentration
The Human Factor: Understanding the Sources of Rising Carbon Dioxide
Space & Earth / Earth Sciences
Jan 14, 2009 |
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(PhysOrg.com) -- Every time we get into our car, turn the key and drive somewhere, we burn gasoline, a fossil fuel derived from crude oil. The burning of the organic materials in fossil fuels produces energy ...
Search results for atmospheric concentration
Healing heart attack victims, one cell at a time
Apr 02, 2009 |
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(PhysOrg.com) -- By using the amount of carbon 14 in the atmosphere from above-ground nuclear testing in the 1950s and 1960, researchers have determined that cells in the human heart develop into adulthood.
Rise in atmospheric CO2 accelerates as economy grows, natural carbon sinks weaken
Oct 22, 2007 |
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Human activities are releasing carbon dioxide faster than ever, while the natural processes that normally slow its build up in the atmosphere appear to be weakening. These conclusions are drawn in a new study in the early ...
China Pearl River Delta Creating Large Amounts of Hydroxyl Radicals
Jun 06, 2009 |
4.3 / 5 (6) |
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A team of atmospheric scientists have published their field study findings about unusual chemical reactions taking place in the Pearl River Delta in China during 2006. The Julich Research Center's Institute ...
CO2 emissions could violate EPA ocean-quality standards within decades
Sep 20, 2007 |
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In a commentary in the September 25, 2007, issue of the Geophysical Research Letters (GRL), a large team of scientists state that human-induced carbon dioxide (CO2) emissions will alter ocean chemistry to the point where it w ...
Tunnels concentrate air pollution by up to 1,000 times
Aug 27, 2009 |
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A toxic cocktail of ultrafine particles is lurking inside road tunnels in concentration levels so high they have the potential to harm drivers and passengers, a new study has found.
New isotope cluster could lead to better understanding of atmospheric carbon dioxide
Space & Earth / Earth Sciences
Jul 14, 2009 |
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(PhysOrg.com) -- A team of researchers has discovered an unexpected concentration of a certain isotopic molecule in parts of the stratosphere that could have implications for understanding the carbon cycle ...
Air pollution model takes off
Dec 08, 2008 |
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Australia's capabilities in understanding the impact of air pollution have advanced with a new version of software that can predict the direction and concentration of odours and pollutants.
Air pollution model takes off
Dec 03, 2008 |
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Australia’s capabilities in understanding the impact of air pollution have advanced with a new version of software that can predict the direction and concentration of odours and pollutants.
Dust deposited in oceans may carry elements toxic to marine algae
Space & Earth / Earth Sciences
Mar 09, 2009 |
5 / 5 (3) |
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(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 ...
High CO2 boosts plant respiration, potentially affecting climate and crops
Space & Earth / Earth Sciences
Feb 09, 2009 |
4.3 / 5 (18) |
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The leaves of soybeans grown at the elevated carbon dioxide (CO2) levels predicted for the year 2050 respire more than those grown under current atmospheric conditions, researchers report, a finding that will ...
List of search results for atmospheric concentration
