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《大气和海洋科学快报(英文版)》 2014-06
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Preliminary Assessment of the Common Land Model Coupled with the IAP Dynamic Global Vegetation Model

ZHU Jia-Wen;ZENG Xiao-Dong;LI Fang;SONG Xiang;International Center for Climate and Environment Sciences,Institute of Atmospheric Physics (IAP),Chinese Academy of Sciences;University of Chinese Academy of Sciences;Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,Nanjing University of Information Science & Technology;  
The Common Land Model(CoLM) was coupled with the IAP Dynamic Global Vegetation Model(IAPDGVM), and the performance of this combined CoLMIAP model was evaluated. Offline simulations using both the original Common Land Model(CoLM-LPJ) and CoLM-IAP were conducted. The CoLM-IAP coupled model showed a significant improvement over CoLMLPJ, as the deciduous tree distribution decreased over temperate and boreal regions, while the distribution of evergreen trees increased over the tropics. Some biases in CoLM-LPJ were preserved, including the overestimation of evergreen trees in tropical savanna, the underestimation of boreal evergreen trees, and the absence of boreal shrubs. However, most of these biases did not exist in a further coupled simulation of IAP-DGVM with the Community Land Model(CLM), for which the parameters of IAP-DGVM were optimized. This implies that further improvement is needed to deal with the differences between CoLM and CLM in parameterizations of landbased physical and biochemical processes.
【Fund】: supported by Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDA05110103);; the National Basic Research Program of China (Grant No. 2010CB951801)
【CateGory Index】: Q948
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