WuLiuLiEtAl2017

Reference

Wu, X., Liu, H., Li, X., Piao, S., Ciais, P., Guo, W., Yin, Y., Poulter, B., Peng, C., Viovy, N., Vuichard, N., Wang, P., Huang, Y. (2017) Higher temperature variability reduces temperature sensitivity of vegetation growth in Northern Hemisphere. Geophysical Research Letters, 44(12):6173-6181. (Scopus )

Abstract

Interannual air temperature variability has changed over some regions in Northern Hemisphere (NH), accompanying with climate warming. However, whether and to what extent it regulates the interannual sensitivity of vegetation growth to temperature variability (i.e., interannual temperature sensitivity)—one central issue in understanding and predicting the responses of vegetation growth to changing climate—still remains poorly quantified and understood. Here we quantify the relationships between the interannual temperature sensitivity of mean growing-season (April–October) normalized difference vegetation index (NDVI) and ecosystem model simulations of gross primary productivity (GPP), and variability in mean growing-season temperature for forest, shrub, and grass over NH. We find that higher interannual variability in mean growing-season temperature leads to consistent decrease in interannual temperature sensitivity of mean growing-season NDVI among all vegetation types but not in model simulations of GPP. Drier condition associates with ~130 ± 150% further decrease in interannual temperature sensitivity of mean growing-season NDVI by temperature variability in forest and shrub. These results illustrate that varying temperature variability can significantly regulate the interannual temperature sensitivity of vegetation growth over NH, interacted with drought variability and nonlinear responses of photosynthesis to temperature. Our findings call for an improved characterization of the nonlinear effects of temperature variability on vegetation growth within global ecosystem models. ©2017. American Geophysical Union. All Rights Reserved.

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@ARTICLE { WuLiuLiEtAl2017,
    AUTHOR = { Wu, X. and Liu, H. and Li, X. and Piao, S. and Ciais, P. and Guo, W. and Yin, Y. and Poulter, B. and Peng, C. and Viovy, N. and Vuichard, N. and Wang, P. and Huang, Y. },
    TITLE = { Higher temperature variability reduces temperature sensitivity of vegetation growth in Northern Hemisphere },
    JOURNAL = { Geophysical Research Letters },
    YEAR = { 2017 },
    VOLUME = { 44 },
    NUMBER = { 12 },
    PAGES = { 6173-6181 },
    NOTE = { cited By 0 },
    ABSTRACT = { Interannual air temperature variability has changed over some regions in Northern Hemisphere (NH), accompanying with climate warming. However, whether and to what extent it regulates the interannual sensitivity of vegetation growth to temperature variability (i.e., interannual temperature sensitivity)—one central issue in understanding and predicting the responses of vegetation growth to changing climate—still remains poorly quantified and understood. Here we quantify the relationships between the interannual temperature sensitivity of mean growing-season (April–October) normalized difference vegetation index (NDVI) and ecosystem model simulations of gross primary productivity (GPP), and variability in mean growing-season temperature for forest, shrub, and grass over NH. We find that higher interannual variability in mean growing-season temperature leads to consistent decrease in interannual temperature sensitivity of mean growing-season NDVI among all vegetation types but not in model simulations of GPP. Drier condition associates with ~130 ± 150% further decrease in interannual temperature sensitivity of mean growing-season NDVI by temperature variability in forest and shrub. These results illustrate that varying temperature variability can significantly regulate the interannual temperature sensitivity of vegetation growth over NH, interacted with drought variability and nonlinear responses of photosynthesis to temperature. Our findings call for an improved characterization of the nonlinear effects of temperature variability on vegetation growth within global ecosystem models. ©2017. American Geophysical Union. All Rights Reserved. },
    AFFILIATION = { State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing, China; School of Natural Resources, Faculty of Geographical Science, Beijing Normal University, Beijing, China; College of Urban and Environmental Science, Peking University, Beijing, China; Key Laboratory of Alpine Ecology and Biodiversity, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China; CEA-CNRS-UVSQ, UMR8212-Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette, France; Department of Ecology and Institute on Ecosystems, Montana State University, Bozeman, MT, United States; Institute of Environment Sciences, University of Quebec at Montreal, Montreal, QC, Canada },
    AUTHOR_KEYWORDS = { drought; interannual sensitivity; Northern Hemisphere; temperature variability; vegetation growth },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1002/2017GL073285 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-85021405511&doi=10.1002%2f2017GL073285&partnerID=40&md5=7f36e96fcc06a588d558318169ec0b17 },
}

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