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    A New Estimation of Urbanization’s Contribution to the Warming Trend in China

    Source: Journal of Climate:;2015:;volume( 028 ):;issue: 022::page 8923
    Author:
    Wang, Fang
    ,
    Ge, Quansheng
    ,
    Wang, Shaowu
    ,
    Li, Qingxiang
    ,
    Jones, Philip D.
    DOI: 10.1175/JCLI-D-14-00427.1
    Publisher: American Meteorological Society
    Abstract: he extent to which an urbanization effect has contributed to climate warming is under debate in China. Some previous studies have shown that the urban heat island (UHI) contribution to national warming was substantial (10%?40%). However, by considering the spatial scale of urbanization effects, this study indicates that the UHI contribution is negligible (less than 1%). Urban areas constitute only 0.7% of the whole of China. According to the proportions of urban and rural areas used in this study, the weighted urban and rural temperature averages reduced the estimated total warming trend and also reduced the estimated urban effects. Conversely, if all stations were arithmetically averaged, that is, without weighting, the total warming trend and urban effects will be overestimated as in previous studies because there are more urban stations than rural stations in China. Moreover, the urban station proportion (68%) is much higher than the urban area proportion (0.7%).
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      A New Estimation of Urbanization’s Contribution to the Warming Trend in China

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4223591
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    contributor authorWang, Fang
    contributor authorGe, Quansheng
    contributor authorWang, Shaowu
    contributor authorLi, Qingxiang
    contributor authorJones, Philip D.
    date accessioned2017-06-09T17:10:52Z
    date available2017-06-09T17:10:52Z
    date copyright2015/11/01
    date issued2015
    identifier issn0894-8755
    identifier otherams-80673.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4223591
    description abstracthe extent to which an urbanization effect has contributed to climate warming is under debate in China. Some previous studies have shown that the urban heat island (UHI) contribution to national warming was substantial (10%?40%). However, by considering the spatial scale of urbanization effects, this study indicates that the UHI contribution is negligible (less than 1%). Urban areas constitute only 0.7% of the whole of China. According to the proportions of urban and rural areas used in this study, the weighted urban and rural temperature averages reduced the estimated total warming trend and also reduced the estimated urban effects. Conversely, if all stations were arithmetically averaged, that is, without weighting, the total warming trend and urban effects will be overestimated as in previous studies because there are more urban stations than rural stations in China. Moreover, the urban station proportion (68%) is much higher than the urban area proportion (0.7%).
    publisherAmerican Meteorological Society
    titleA New Estimation of Urbanization’s Contribution to the Warming Trend in China
    typeJournal Paper
    journal volume28
    journal issue22
    journal titleJournal of Climate
    identifier doi10.1175/JCLI-D-14-00427.1
    journal fristpage8923
    journal lastpage8938
    treeJournal of Climate:;2015:;volume( 028 ):;issue: 022
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian