湖南省资水流域汛期暴雨气候特征分析
湖南省资水流域汛期暴雨气候特征分析
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LI, Bing , WEN Qiang , ZHANG, Xinping , YANG, Ling , LIU Dianying and YANG Leqing
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Xinxiang City: Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
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Xinxiang City: Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
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【目的】更好地掌握湖南省资水流域汛期暴雨气候特征。【方法】利用经验正交函数分解、全局Moran’s I指数、线性倾向估计、Mann-Kendall检验分析了湖南省资水流域14个国家气象站1980—2016年汛期（4—9月）暴雨日数、暴雨量、暴雨集中度、暴雨集中期的时空分布与演变特征，基于Γ分布及“雨日-无雨日”演变的一阶Markov链模型，从理论上计算了流域14个国家气象站汛期30 d内出现暴雨的概率。【结果】①资水流域汛期年均暴雨日数（暴雨量）空间分布上游较少，中下游较多，年均暴雨日数最高的可达5.4 d，最小的仅为1.9 d，年均暴雨日数（暴雨量）与地形关系密切，迎风坡处的站点年均暴雨日数（暴雨量）较大，背风坡、盆地处的站点其年均暴雨日数（暴雨量）较小；②暴雨日数（暴雨量）EOF分解存在...
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湖南省资水流域汛期暴雨气候特征分析
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TN_cdi_wanfang_journals_ggps202012018
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_ggps202012018
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1672-3317
DOI
10.13522/j.cnki.ggps.2020026
