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Notes of Numerical Simulation of Summer Rainfall in China with a Regional Climate Model REMO
CUI Xuefeng,HUANG Gang,CHEN Wen
Department of Geography, University of Liverpool, UK； Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029;Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029
Abstract Regional climate models are major tools for regional climate simulation and their output are mostly used for climate impact studies. Notes are reported from a series of numerical simulations of summer rainfall in China with a regional climate model. Domain sizes and running modes are major foci. The results reveal that the model in forecast mode driven by ``perfect" boundaries could reasonably represent the inter-annual differences: heavy rainfall along the Yangtze River in 1998 and dry conditions in 1997. Model simulation in climate mode differs to a greater extent from observation than that in forecast mode. This may be due to the fact that in climate mode it departs further from the driving fields and relies more on internal model dynamical processes. A smaller domain in climate mode outperforms a larger one. Further development of model parameterizations including dynamic vegetation are encouraged in future studies.
CUI Xuefeng,HUANG Gang,CHEN Wen, 2008: Notes of Numerical Simulation of Summer Rainfall in China with a Regional Climate Model REMO . Adv. Atmos. Sci., 25(6), 999-1008, doi: 10.1007/s00376-008-0999-z.
