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气象:2010,36(12):56-61
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定量降水预报与水文模型耦合的中小流域汛期洪水预报试验
(1.中国气象局武汉暴雨研究所, 武汉 430074;2. 武汉大学水资源与水电工程国家重点实验室, 武汉 430072)
The Flood Forecast Test on QPF Coupling with Hydrological Model in Flood Season in Medium and Small Catchment
(1.Institute of Heavy Rain, CMA, Wuhan 430074;2. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072)
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投稿时间:2009-11-20    修订日期:2010-09-13
中文摘要: 预见期内的降水量直接影响着洪水预报的精度,预见期愈长,预见期内的降雨对预报值影响愈大,预见期内的降雨越来越被人们重视。本文以湖北省漳河水库流域为例,利用中尺度数值模式(AREM模式)的预报降雨信息,作为洪水预见期内的降雨,输入新安江模型,对流域2008年汛期典型洪水过程进行预报测试,结果表明考虑预见期内的降雨相对于未考虑预见期降雨对洪水预报结果提高具有明显的优势。研究表明中尺度暴雨模式预报技术在水文预报学的应用具有广阔的发展空间。
Abstract:The precipitation in forecast period greatly influences flood forecasting precision. The longer the forecast period is, the bigger the influence of the precipitation in forecast period on flood forecast will be, therefore the people more and more pay attention to the precipitation in forecast period. The paper uses the rainfall information that the mesoscale numer〖HJ〗ical model (AREM Model) forecast takes as the precipitation in forecast period, and inputs into the Xinanjiang hydrological model, to make the forecast experiments on flood process in flood season in 2008 in research area. The results show that the flood forecasts can be improved obviously when considering the precipitation in forecast period, and the numerical model forecast will have an expansive application prospect in the hydrology forecast.
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基金项目:国家自然科学基金资助项目 (40675070,50879061);湖北省科技攻关计划 (2007AA301B57); 公益性行业(气象)专项(GYHY200806002);武汉大学水资源与水电工程科学国家重点试验室开放基金(2007B033);武汉暴雨研究所基本业务专项课题(0811,1013)共同资助
引用文本:
崔春光,彭涛,沈铁元,殷志远,2010.定量降水预报与水文模型耦合的中小流域汛期洪水预报试验[J].气象,36(12):56-61.
CUI Chunguang,PENG Tao,SHEN Tieyuan,YIN Zhiyuan,2010.The Flood Forecast Test on QPF Coupling with Hydrological Model in Flood Season in Medium and Small Catchment[J].Meteor Mon,36(12):56-61.