Plant, bird and butterfly species dwindling in the United Kingdom, researchers report
...heir neighbors. The nitrogen is deposited from the atmosphere as the result of agricultural fertilization and fossil fuel combustion. "When species are lost through pollution or habitat fragmentation, it is often the native ones that disappear first," said coauthor Nancy Dise of the Open University and Villano...Banned chemical travels across three oceans
...a-hexachlorocyclohexane (HCH) were detected in the atmosphere of Sable Island off the coast of Nova Scotia and Newfoundland, says Professor Frank Wania of chemistry. The chemical was last used about 15 years ago in countries such as China and India but followed atmospheric and water flows across the Pacific, Ar...Envisat concludes a busy second year in orbit
...d subsidence events in city streets. Mapping the atmosphere in near-real time In addition, during each and every orbit Envisat instruments provide continuously updated measurements of many of the fastest-changing components of the Earth system. Delivered rapidly to end users, these measurements serve as the...System to measure carbon dioxide flux from soil patented
... canopy of the forest, then released back into the atmosphere by living organisms: as much as half of this respi...ow much carbon dioxide forests can remove from the atmosphere and retain, or sequester, as carbon pools or sinks," says inventor John Butnor. "Accurately measurin...DFG establishes 14 new research units
...n hemisphere. To determine how the dust enters the atmosphere and how it is then distributed scientists of the newly organized Research Unit for "Saharan Mineral Dust Experiment (SAMUM)" are using satellites and measurement airplanes. Furthermore, the researchers are examining how the Saharan dust affects the c...Astonishing discovery over the Amazonian rain forest
...etrol compounds. These compounds are formed in the atmosphere through reaction of isoprene with hydroxyl radicals. To exclude pollution of human origin, the measurements were performed during the rainy season in a remote location of the Amazon Basin. Wind trajectories showed that the air had traveled over sever...Faster carbon turnover in basal food-chain levels in aquatic than terrestrial ecosystems
...ed in basal trophic levels is released back to the atmosphere or transferred to higher trophic levels much more quickly in aquatic than in terrestrial ecosystems. Thus, aquatic ecosystems should have a much lower capacity for retaining carbon in situations of higher CO 2 availability. These results help refine...A shrinking sink? Carbon fertilization may be flimsy weapon against warming
...ilization by which plants soak up carbon from the atmosphere "really paints a different picture of the way the world works," said panelist Chris Field of the Carnegie Institution of Washington. In a book edited by Field and scheduled for publication in late February, researchers concluded that the land contai...Duke open-air experiment results could deflate hopes that forests can alleviate global warming
...of forest growth under the carbon dioxide-enriched atmosphere expected by 2050 does not reinforce the optimism o...ow drought affects trees growing in a CO2 enriched atmosphere when 2002 proved to be one of the driest years on record in North Carolina, Schlesinger said. By com...Carbon dioxide fertilization is neither boon nor bust
... absorb more carbon dioxide when the amount in the atmosphere is higher, but the increase is unlikely to offset ...d to the increasing level of carbon dioxide in the atmosphere and whether it will alter the development of the greenhouse effect. Among the findings is that young...Local, regional governments could take lead in curbing global air pollution
...o visit that site at the same time. Likewise, the atmosphere is a common-pool resource needed by everyone, but one that can be limited in its usefulness because of pollution. That is a growing issue as fossil fuel burning for industry, transportation, heating and cooking has increased human effects on global c...Goal of ocean 'iron fertilization' said still unproved
...use. The "iron hypothesis" method of scrubbing the atmosphere of much of its carbon dioxide was proposed in 1990...into their tissue would be quickly returned to the atmosphere as carbon dioxide, he said. If Martin's original hypothesis is ultimately shown to remove signifi...Report details growing climate change threat to coral reefs
...years that modern coral reefs have flourished, the atmosphere has rarely, if ever, contained the high levels of carbon dioxide that are expected to accumulate in coming decades. However, recent losses in reefs show that human-related impacts are exceeding the adaptive ability of coral reef organisms. The severi......ribing therate at which plants use carbon from the atmosphere to buildnew organic matter through photosynthesis. NPP fuels Earth'scomplex food web and quantifies amounts of carbon dioxide, agreenhouse gas, which plants remove from the atmosphere. Nighttime-lights data from the Defense Meteorological SatellitePr...ESA to select new Earth Explorer missions
...de clouds warm the Earth while clouds lower in the atmosphere contribute to cooling, it is unclear whether cloud...e Analysis) The release of carbon dioxide into the atmosphere by human activity is recognised as one of the main drivers of climate change, therefore a better und...The scoop on poop: Insect feces, dead leaves may provide clues to health of world
... carbon dioxide, when too much is emitted into the atmosphere from things like car exhaust and aerosol," said Kaspari. "Rainforests act as carbon dioxide scrubbers, taking it out of the air. Rainforest plants can't thrive, if the nutrients aren't being released back into the soil from decomposition." "To keep...From neighborhoods to globe, NASA looks at land
...odel detailed, local interactions between land and atmosphere on the global scale because satellites did not pro...s of soil moisture, and the loss of water into the atmosphere from plants and the soil, a process known as evapotranspiration. Understanding these variables in th...UF study suggests life on Earth sprang from borax minerals
... Miller showed that electric sparks in a primitive atmosphere made amino acids, the building blocks of proteins. Miller's experiment failed to identify sugars that were needed for genetic material, however. "The sugar ribose can be formed from interstellar precursors under prebiotic conditions," said Benner, w......imes. The Beagle 2 lander entered the thin Martian atmosphere at 2.47 GMT today. Travelling at a speed of more t...rk-like material. As friction with the thin upper atmosphere slowed its descent, onboard accelerometers were used to monitor the spacecraft's progress. At an alt...