Northeastern environmental scientist finding could improve global warming forecast models
A Northeastern University researcher today announced that he has found that the soil below oak trees exposed to elevated levels of carbon dioxide had significantly higher carbon levels than those exposed to ambient carbon levels. The findings are consistent with the hypothesis that elevated carbon dioxide levels are increasing carbon storage in terrestrial ecosystems and slowing the build-up of carbon dioxide levels in the atmosphere. Carbon dioxide is thought to cause global warming by trapping heat radiated by the Earth.
The research, published in the latest on-line edition of the journal Earth Interactions, represents an important advance in the global warming research. The lead author on the article, “Soil C Accumulation in a White Oak CO2-Enrichment Experiment via Enhanced Root Production,” is Kevin G. Harrison from the department of earth and environmental sciences at Northeastern. Contributors also include Richard J. Norby and Wilfred M. Post from the Oak Ridge National Library in Tennessee and Emily L. Chapp form the University of Hawaii.
Steve Sylven | EurekAlert!
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