干旱区研究2013，Vol.30Issue(4)：728-734,7.
典型干旱指数在滦河流域的适用性评价
Applicability of Typical Drought Indexes in the Luanhe River Basin
摘要
Abstract
Based on the monthly precipitation data from 9 meteorological stations during the period of 1957-2010and the monthly runoff volume data from 5 main hydrometric stations in the Luanhe River Basin during the period of 1956-2000,in this paper drought in the Luanhe River Basin was discussed,and the results were compared using the precipitation anomaly percentage,standardized precipitation index,precipitation Z-index and runoff volume anomaly percentage.The results showed that the drought degree explained with the precipitation anomaly percentage was slighter.Compared with the precipitation Z index,SPI could be used to objectively reflect the drought degree in the drainage basin,and it was more ideal in reflecting the drought degree than the precipitation Z-index and precipitation anomaly percentage based on the applicability evaluation results of three meteorological drought indexes.Evaluation results of runoff volume anomaly percentage were consistent with the actual situation and suitable for drought evaluation in the Luanhe River Basin.However,there was a lack of integrity and mechanism of these four drought indexes,and it was necessary to comprehensively consider the factors including precipitation,temperature,evaporation and runoff volume so as to put forward a drought index reflecting the inherent mechanism of drought in the drainage basin.关键词
降水距平百分率/标准化降水指数(SPI)/降水Z指数/径流距平百分率/干旱指数/适用性评价/滦河Key words
precipitation anomaly percentage/standardized precipitation index/precipitation Z-index/runoff volume anomaly percentage/drought index/applicability evaluation/Luanhe River Basin引用本文复制引用
马海娇,严登华,翁白莎,方宏阳,史晓亮..典型干旱指数在滦河流域的适用性评价[J].干旱区研究,2013,30(4):728-734,7.基金项目
国家重点基础研究发展计划(973计划)(2010CB951102) （973计划）
国家自然科学基金创新研究群体基金项目(51021066) （51021066）
河北省自然科学基金项目(E2012A02067) （E2012A02067）
