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CLM-AG: An Agriculture Module for the Community Land Model version 3.5

Research and Teaching Output of the MIT Community

Show simple item record Gueneau, Arthur Schlosser, C. Adam Strzepek, Kenneth M. Gao, Xiang Monier, Erwan 2012-09-17T17:25:38Z 2012-09-17T17:25:38Z 2012-09
dc.description.abstract It is estimated that 40% of all crops grown in the world today are grown using irrigation. As a consequence, shifting precipitation patterns due to climate change are viewed as a major threat to food security. This report presents the Community Land Model-Agriculture module (CLM-AG), which models crop growth and water stress. The CLM-AG model is a global generic crop model built in the framework of the Community Land Model version 3.5. This report describes the structure and main routines of the model. Two different evaluations of the model are then considered. First, at a global level, CLM-AG is run under a historic climatology and compared to the Global Agro-Ecological Zones, an existing model of irrigation need. Second, the irrigation need computed for the United States is compared to survey data from the United States Department of Agriculture. For both evaluations, CLM-AG results are comparable to either the model results or the surveyed data. en_US
dc.description.sponsorship Development of the IGSM applied in this research was supported by the U.S. Department of Energy, Office of Science (DE-FG02-94ER61937); the U.S. Environmental Protection Agency, EPRI, and other U.S. government agencies and a consortium of 40 industrial and foundation sponsors. For a complete list see en_US
dc.language.iso en_US en_US
dc.publisher MIT Joint Program on the Science and Policy of Global Change en_US
dc.relation.ispartofseries Joint Program Reports;229
dc.rights An error occurred on the license name. en
dc.rights.uri An error occurred getting the license - uri. en
dc.title CLM-AG: An Agriculture Module for the Community Land Model version 3.5 en_US
dc.type Technical Report en_US
dc.identifier.citation Report 229 en_US

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