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Full-Text Articles in Physical and Environmental Geography
An Evaluation Of Two Gcms: Simulation Of North American Teleconnection Indices And Synoptic Phenomena, Justin T. Schoof, S C. Pryor
An Evaluation Of Two Gcms: Simulation Of North American Teleconnection Indices And Synoptic Phenomena, Justin T. Schoof, S C. Pryor
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We evaluate the ability of two coupled atmospheric–oceanic GCMs – the Hadley Center’s third generation coupled climate model (HadCM3) and the Canadian Center for Climate Modeling and Analysis second-generation coupled model (CGCM2) – to simulate the North Atlantic Oscillation (NAO), the Pacific North American teleconnection pattern (PNA), and map patterns in the Midwest region of the United States, relative to NCEP/NCAR reanalysis (NNR) data. The observed (NNR-derived) and GCM-derived probability distributions and temporal behavior of the daily teleconnection indices exhibit agreement over the 1990–2001 reference period, and both GCMs successfully reproduce the range of 500-hPa map patterns over the study …