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Simulation of atmospheric and lake conditions in the Laurentian Great Lakes Region using the Coupled Hydrosphere-Atmosphere Research Model (CHARM)
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2014
[PDF-1.31 MB]
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Description:"Greenhouse gas-induced climate change will have notable effects on the Great Lakes region, in the atmosphere, land surfaces, and lakes themselves. Simulations of these effects were carried out using the Coupled Hydrosphere-Atmosphere Research Model (CHARM), driven by output from the Canadian General Circulation Model version 3 (CRCM3) for past and future time periods. This results in increased downward longwave radiation and near-surface air temperature. The air temperature increases during summer have strong spatial minima directly over the lakes that are limited to the lowest model layer and seem to be associated with frequent fog depicted by CHARM. Precipitation is also generally increased, with the most spatially coherent, and among the strongest, increases occurring in the near-shore lake effect zones during winter. Evapotranspiration is generally increased, although only weakly over land, but very strongly over the lakes during winter. Water temperatures are increased and the summer stratification pattern (warmer water overlying colder) is established earlier in the year. Ice cover is diminished and limited to shallow parts of the lakes. Several bugs and shortcomings in CHARM are identified for correction in future development and use."
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Content Notes:Brent M. Lofgren.
"October 2014."
System requirements: Adobe Acrobat Reader.
Includes bibliographical references (pages 21-23).
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Rights Information:CC0 Public Domain
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Compliance:Library
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