灾害学2016，Vol.31Issue(3)：101-109,9.DOI:10.3969/j.issn.1000-811X.2016.03.017
陕西关中地区旱涝演变规律和21世纪旱涝特点分析
The Drought and Flood Evolution Law in the Guanzhong Area and theAnalyses of the Present Century’s Drought and Flood Characteristics
摘要
Abstract
Based on the 1961 -2014 precipitation data in Guanzhong area,integrated the existing researchresults of meteorological drought and flood,the drought and flood of agricultural and hydrology in Guanzhong area,the use of statistical methods of linear trend analysis of drought and flood in Guanzhong area,the status and evolution were analyzed,results showed that:① the general trend of drought and flood changes of nearly 50 years ofGuanzhong area as less rainfall,the meteorological drought days the number,intensity,hydrological drought,agricultural drought tended to be serious.②Drought and flood in Guanzhong area are significant differences in twentieth Century 90,the least rainfall,hydrological,meteorological drought and agricultural drought is the most serious,the early 80′s the most precipitation,flood is the most serious.③ since the beginning of this century in Guanzhongarea showed an increasing trend in precipitation,meteorological drought days decreased,intensity,flood frequencyincreased.④ 5 years in the future is expected to Guanzhong area rainfall may increase slightly,flood frequency.关键词
关中地区/旱涝/变化趋势/年代际变化/趋势预估Key words
Guanzhong area/drought and flood/variation tendency/decadal variability/spatial and temporaldistribution/trend forecast分类
资源环境引用本文复制引用
雷向杰,李茜,王娟,李化龙,李红梅,雷天骄..陕西关中地区旱涝演变规律和21世纪旱涝特点分析[J].灾害学,2016,31(3):101-109,9.基金项目
中国工程院重大咨询项目子专题“我国旱涝现状与问题剖析”（2012－ZD －13）；陕西省科学技术研究发展计划项目“关中地区旱涝现状与变化规律研究” （）
