[1]张奇莹,徐盼盼,钱会.关中地区降水特征及其对旱涝灾害的影响[J].水土保持研究,2017,24(05):222-226.
　ZHANG Qiying,XU Panpan,QIAN Hui.Characteristics of Precipitation and Its Influence on Drought and Flood Disaster in Guanzhong Area[J].Research of Soil and Water Conservation,2017,24(05):222-226.
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关中地区降水特征及其对旱涝灾害的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 24 期数: 2017年05期 页码: 222-226 栏目: 出版日期: 2017-10-28
Title:
Characteristics of Precipitation and Its Influence on Drought and Flood Disaster in Guanzhong Area
作者:
张奇莹1,2, 徐盼盼1,2, 钱会1,2
1. 长安大学 环境科学与工程学院, 西安 710054;
2. 旱区地下水文与生态效应教育部重点实验室, 西安 710054
Author(s):
ZHANG Qiying1,2, XU Panpan1,2, QIAN Hui1,2
1. School of Environmental Science and Engineering, Chang’an University, Xi’an 710054, China;
2. Key Laboratory of Subsurface Hydrology and Ecology in Arid Areas, Ministry of Education, Xi’an 710054, China
关键词:
关中地区; Mann-Kendall突变检验; Z指数; 降水特征; 旱涝灾害
Keywords:
Guanzhong area; Mann-Kendall mutation testing; Z index; precipitation characteristic; drought and flood disaster
分类号:
P426.616
摘要:
为了减少关中地区降水引发的旱涝灾害带来的损失，基于关中地区各市站30~60 a的降水量数据，运用数理统计并结合Mann-Kendall突变检验法对该地区降水量的Z指数进行了分析，就关中地区降水对旱涝灾害的影响做了研究。结果表明：（1）关中地区降水量相对比较丰富，但极差较大，易出现旱涝灾害，旱涝发生的总年份占研究序列的41.33%。其年内旱涝程度的分布与年际基本一致，但各地区分布又不尽相同。（2）关中地区冬春季Z指数朝着干旱化的趋势发展，且春旱更严重；夏秋季旱涝灾害均易发生且频繁，为主要的防灾期。（3）关中地区的旱涝变化交替出现，但总体趋势正在向着偏旱的趋势发展。该研究为关中地区旱涝灾害的防治提供了一定的科学依据。
Abstract:
In order to reduce drought and flood disaster losses caused by the precipitation in Guanzhong area, based on the precipitation data of each city in Guanzhong area during 30～60 years, the Z index of precipitation in this region was analyzed by mathematical statistics and Mann-Kendall mutation test and the influence of precipitation on flood disaster in Guanzhong area was studied. The following conclusions are drawn. (1) The precipitation was relatively rich and had a large range which was prone to cause drought and flood disasters, and the years of drought and flood disasters accounted for 41.33% of the sequence. The years and annual distribution of drought and flood were basically the same, but the regional distribution was not same among the regions. (2) There was a drought tendency in the winter and spring, and drought was more serious. On the contrary, drought showed an increasing trend summer and autumn, however, drought and flood disasters were easy to occur and frequent. (3) The variation of flood and drought appeared alternately, but the overall trend was toward the direction of the development of drought. This study can provide a scientific basis for the prevention and control of flood and drought in Guanzhong area.

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备注/Memo

收稿日期:2017-02-08;改回日期:2017-02-28。
基金项目:水利部公益性行业科研专项经费项目“渭河中下游干旱预警与应急水源配置”（201301084）
作者简介:张奇莹(1993-),女,宁夏彭阳县人,硕士研究生,主要从事水文地质方面的研究。E-mail:1274075125@qq.com
通讯作者:钱会(1963-),男,陕西咸阳人,教授,博导,主要从事水文地质方面的研究。E-mail:55480981@qq.com

更新日期/Last Update: 1900-01-01