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    Simulating the impacts of disturbances on forest carbon cycling in North America : processes, data, models, and challenges

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    2010JG001585.pdf (517.3Kb)
    Date
    2011-11-08
    Author
    Liu, Shuguang  Concept link
    Bond-Lamberty, Benjamin  Concept link
    Hicke, Jeffrey A.  Concept link
    Vargas, Rodrigo  Concept link
    Zhao, Shuqing  Concept link
    Chen, Jing  Concept link
    Edburg, Steven L.  Concept link
    Hu, Yueming  Concept link
    Liu, Jinxun  Concept link
    McGuire, A. David  Concept link
    Xiao, Jingfeng  Concept link
    Keane, Robert  Concept link
    Yuan, Wenping  Concept link
    Tang, Jianwu  Concept link
    Luo, Yiqi  Concept link
    Potter, Christopher  Concept link
    Oeding, Jennifer  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/4929
    As published
    https://doi.org/10.1029/2010JG001585
    DOI
    10.1029/2010JG001585
    Keyword
     Carbon; Disturbances; Forest; Modeling 
    Abstract
    Forest disturbances greatly alter the carbon cycle at various spatial and temporal scales. It is critical to understand disturbance regimes and their impacts to better quantify regional and global carbon dynamics. This review of the status and major challenges in representing the impacts of disturbances in modeling the carbon dynamics across North America revealed some major advances and challenges. First, significant advances have been made in representation, scaling, and characterization of disturbances that should be included in regional modeling efforts. Second, there is a need to develop effective and comprehensive process-based procedures and algorithms to quantify the immediate and long-term impacts of disturbances on ecosystem succession, soils, microclimate, and cycles of carbon, water, and nutrients. Third, our capability to simulate the occurrences and severity of disturbances is very limited. Fourth, scaling issues have rarely been addressed in continental scale model applications. It is not fully understood which finer scale processes and properties need to be scaled to coarser spatial and temporal scales. Fifth, there are inadequate databases on disturbances at the continental scale to support the quantification of their effects on the carbon balance in North America. Finally, procedures are needed to quantify the uncertainty of model inputs, model parameters, and model structures, and thus to estimate their impacts on overall model uncertainty. Working together, the scientific community interested in disturbance and its impacts can identify the most uncertain issues surrounding the role of disturbance in the North American carbon budget and develop working hypotheses to reduce the uncertainty.
    Description
    Author Posting. © American Geophysical Union, 2011. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research 116 (2011): G00K08, doi:10.1029/2010JG001585.
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    • Ecosystems Center
    Suggested Citation
    Journal of Geophysical Research 116 (2011): G00K08
     

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