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Research Abstracts Online
January 2010 - March 2011

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University of Minnesota Twin Cities
College of Food, Agricultural, and Natural Resource Sciences
Department of Soil, Water, and Climate

PI: Timothy J. Griffis

Measurement and Modeling of Isotopic CO2 Exchange in the Upper Midwest of the United States

GenThe primary goal of this project is to improve the scientific understanding of the biophysical processes and discrimination mechanisms controlling the exchange of carbon dioxide (13CO2 and 12CO2) between the land and atmosphere at the ecosystem, landscape, and regional scales. The researchers are currently using an Earth System Model called Community Earth System Model 1.0 (CESM1.0) to study how climate variations versus land cover change impact regional carbon cycling, isotopic discrimination, and the carbon isotope budget. The model was released by the National Center for Atmospheric Research in June 2010. It has been tested and run on a Linux machine and it has the capacity to simulate energy, water, and carbon fluxes at high spatial and temporal resolution (globally). This model is computationally very demanding and therefore requires the use of supercomputing resources.

Group Member

Ming Chen, Graduate Student