13 lake-atmosphere feedbacks in a coupled regional climate model over the Great Lakes

Monday, 15 August 2016
Grand Terrace (Monona Terrace Community and Convention Center)
Xinyu Ye, Michigan Technological Univeristy, Houghton, MI; and P. Xue

North American Great Lakes have long been referred to as "inland seas". Great Lakes are particularly sensitive to climate change and also play a critical role in regulating the regional climate. Accurate representations of lake-ice-atmosphere interactions in regional climate modeling remain one of the most critical challenges for understanding large-lake systems and their impacts on regional climate. We developed a two-way coupled 3-D climate-lake-ice modeling system for improving the simulation of large lakes in regional climate models and accurately resolving the two-way hydroclimatic interactions. Using the coupled model, we examined various lake-ice-atmosphere feedback processes. Analyses also helped us understand physical mechanisms for the recent warming trend and climate extremes of the Great Lakes.
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