China's plants absorb a third of its carbon emissions.Byline: ANI London, April 23 (ANI): In a new study, an international team of scientists has found that the plants in China absorb a third of its carbon emissions. According to according to prep. 1. As stated or indicated by; on the authority of: according to historians. 2. In keeping with: according to instructions. 3. a report in Nature News, similar work has been done for the United States United States, officially United States of America, republic (2005 est. pop. 295,734,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third largest country in population and the fourth largest country in area. , but this study provides the first comprehensive analysis of China's terrestrial carbon uptake, which is critical for calculating the country's net emissions. Led by Shilong Piao, an ecologist at Peking University in Beijing, the team estimated carbon uptake during the 1980s and 1990s using three different methods: ecosystem modelling, plant and soil inventories, and an analysis of atmospheric CO2 trends. The authors estimate a net carbon sink of between 0.19 and 0.26 billion tonnes of carbon per year, which translates to 28 to 37 percent of China's emissions during the period in question. "Everyone has been scrambling around to come up with an estimate for China, because we don't have a lot of information," said Kevin Gurney gurney /gur·ney/ (gur´ne) a wheeled cot used in hospitals. gur·ney n. pl. gur·neys A metal stretcher with wheeled legs, used for transporting patients. , a climate researcher at Purdue University in West Lafayette, Indiana West Lafayette (IPA: [wɛst ˈlɑ.fəˌjɛt]) is a city in Tippecanoe County, Indiana, United States, 65 miles (105km) northwest of Indianapolis. The population was 28,778 at the 2000 census. . "They really have been methodologically thorough. They have tackled it from three different angles, and the nice thing is that all three of those converge on the same estimate," he added. "This is an impressive paper," said Gregg Marland, a climate researcher at Oak Ridge National Laboratory Oak Ridge National Laboratory (ORNL) is a multiprogram science and technology national laboratory managed for the United States Department of Energy by UT-Battelle, LLC. ORNL is located in Oak Ridge, Tennessee, near Knoxville. . He credits the researchers with analyzing the question in three ways and getting a fair amount of agreement in their results. "In spite of that, there is still a considerable amount of uncertainty, and that uncertainty cascades through the system," he said. Although studies such as this can give broad estimates of carbon uptake, Marland said that the only way to pin down some of these numbers might be via satellites, like the Orbiting Carbon Observatory The Orbiting Carbon Observatory (OCO) is a NASA Earth System Science Pathfinder Project (ESSP) mission designed to make precise, time-dependent global measurements of atmospheric carbon dioxide (CO2) from an Earth orbiting satellite. that plunged into the sea earlier this year. "It's going to be a long while before we have the kind of satellite data that we want," he added. (ANI) Copyright 2009 Asian News International The Asian News International (ANI) agency provides multimedia news to China and 50 bureaus in India. It covers virtually all of South Asia since its foundation and presently claims, on its official website, to be the leading South Asia-wide news agency. (ANI) - All Rights Reserved. Provided by Syndigate.info an Albawaba.com company |
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