• Adv. Atmos. Sci.  2018, Vol. 35 Issue (6): 659-670    DOI: 10.1007/s00376-017-7154-7
    Evaluation of the New Dynamic Global Vegetation Model in CAS-ESM
    Jiawen ZHU1(), Xiaodong ZENG1, 2, Minghua ZHANG1, 3, Yongjiu DAI4, Duoying JI5, Fang LI1, Qian ZHANG5, He ZHANG1, Xiang SONG1
    1International Center for Climate and Environment Sciences, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
    2Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing 210044, China
    3School of Marine and Atmospheric Sciences, Stony Brook University, NY 11790, USA
    4School of Atmospheric Sciences, Sun Yat-Sen University, Guangzhou 510275, China
    5College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China
    Abstract
    Abstract  

    In the past several decades, dynamic global vegetation models (DGVMs) have been the most widely used and appropriate tool at the global scale to investigate vegetation-climate interactions. At the Institute of Atmospheric Physics, a new version of DGVM (IAP-DGVM) has been developed and coupled to the Common Land Model (CoLM) within the framework of the Chinese Academy of Sciences' Earth System Model (CAS-ESM). This work reports the performance of IAP-DGVM through comparisons with that of the default DGVM of CoLM (CoLM-DGVM) and observations. With respect to CoLM-DGVM, IAP-DGVM simulated fewer tropical trees, more "needleleaf evergreen boreal tree" and "broadleaf deciduous boreal shrub", and a better representation of grasses. These contributed to a more realistic vegetation distribution in IAP-DGVM, including spatial patterns, total areas, and compositions. Moreover, IAP-DGVM also produced more accurate carbon fluxes than CoLM-DGVM when compared with observational estimates. Gross primary productivity and net primary production in IAP-DGVM were in better agreement with observations than those of CoLM-DGVM, and the tropical pattern of fire carbon emissions in IAP-DGVM was much more consistent with the observation than that in CoLM-DGVM. The leaf area index simulated by IAP-DGVM was closer to the observation than that of CoLM-DGVM; however, both simulated values about twice as large as in the observation. This evaluation provides valuable information for the application of CAS-ESM, as well as for other model communities in terms of a comparative benchmark.

    Just Accepted Date: 06 February 2018   Issue Date: 12 April 2018
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    Articles by authors
    Jiawen ZHU
    Xiaodong ZENG
    Minghua ZHANG
    Yongjiu DAI
    Duoying JI
    Fang LI
    Qian ZHANG
    He ZHANG
    Xiang SONG
    Cite this article:   
    Jiawen ZHU,Xiaodong ZENG,Minghua ZHANG, et al. Evaluation of the New Dynamic Global Vegetation Model in CAS-ESM[J]. Adv. Atmos. Sci., 2018, 35(6): 659 -670 .
    URL:  
    http://159.226.119.58/aas/EN/10.1007/s00376-017-7154-7     OR     
    http://159.226.119.58/aas/EN/Y2018/V35/I6/659
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