灾害学2013,Vol.28Issue(2):71-75,80,6.
黄淮海地区夏玉米生长季内的旱涝灾害分析
Analysis of Drought-flood Disaster on Huanghuaihai Region During Summer Maize Growing Season
摘要
Abstract
The rainfall distribution is not uniform in Huanghuaihai region, in which place it is often occur drought-flood disaster. It is based on precipitation data during 1970 -2010, using Special Precipitation Index (SPI) to discuss the drought-flood spatial-temporal characteristics on Huanghuaihai Region During summer maize Growing Season by means of statistical methods. Concluded; the years number of the drought is quite close to that of the flood (except the September) ; there is a rainy trend after 2002 (except the June) ; Different regions had different drought-flood variation trends, which was showing the regional characteristics; the spatial distribution of SPI showed that both the southwest and the parts of the east of Huanghuaihai region were the frequent flood areas, while the north of the region was the frequent drought area in most areas.关键词
黄淮海地区/夏玉米/SPI/旱涝灾害Key words
Huanghuaihai region/ summer maize/ SPI/ drought-flood disaster分类
农业科技引用本文复制引用
郁凌华,赵艳霞..黄淮海地区夏玉米生长季内的旱涝灾害分析[J].灾害学,2013,28(2):71-75,80,6.基金项目
公益性行业(气象)科研专项(GYHY201006041) (气象)
"十二五"科技支持计划课题(2011BAD32B01) (2011BAD32B01)