[1]倪深海,顾颖,彭岳津,等.近七十年中国干旱灾害时空格局及演变[J].自然灾害学报,2019,28(06):176-181.[doi:10.13577/j.jnd.2019.0619]
 NI Shenhai,GU Ying,PENG Yuejin,et al.Spatio-temporal pattern and evolution trend of drought disaster in China in recent seventy years[J].,2019,28(06):176-181.[doi:10.13577/j.jnd.2019.0619]
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近七十年中国干旱灾害时空格局及演变
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
28
期数:
2019年06期
页码:
176-181
栏目:
出版日期:
2019-12-28

文章信息/Info

Title:
Spatio-temporal pattern and evolution trend of drought disaster in China in recent seventy years
作者:
倪深海12 顾颖12 彭岳津12 刘静楠12 王亨力12
1. 水文水资源与水利工程科学国家重点实验室, 江苏 南京 210029;
2. 南京水利科学研究院, 江苏 南京 210029
Author(s):
NI Shenhai12 GU Ying12 PENG Yuejin12 LIU Jingnan12 WANG Hengli12
1. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing 210029, China;
2. Nanjing Hydraulic Research Institute, Nanjing 210029, China
关键词:
干旱灾害时空格局干旱频率演变趋势中国
Keywords:
drought disasterspatio-temporal patterndrought frequencyevolution trendChina
分类号:
X43
DOI:
10.13577/j.jnd.2019.0619
摘要:
以1949~2017年干旱及灾害发生的事实为依据,重构并分析了近70a中国干旱灾害的时空格局。研究结果:1949~1979年31a期间发生重旱以上的频率为16.1%,而1980~2017年38a期间发生重旱以上的频率为52.6%,是1979年以前的3倍以上,时间尺度上干旱发生频率在增加。干旱灾害空间格局南北各异,北方地区重旱以上区域分布在内蒙古、山西、辽宁、河北、陕西、甘肃和宁夏,而南方地区易发生轻旱和中旱,湖南、四川、贵州、云南等省发生重旱以上的频率亦呈现增加趋势。随着气候变暖和人类活动等因素的影响,中国干旱发生的范围整体向西南扩展,干旱灾害影响程度在加重。
Abstract:
The article has reconstructed and analyzed the spatio-temporal pattern of drought disaster in China in recent seventy years based on the data of the drought and relevant disaster occured from 1949 to 2017 in China. The results show that drought frequency is on the increase,the heavy disaster frequency is 16.1% in 1949~1979,and it is 52.6% in 1980~2017 that is 3 times before 1979. The spatial pattern of drought disaster takes on discrepancy between the north and south of China,in the north of the country,the heavy disaster area mainly lies in Inner Mongolia,Shanxi,Liaoning,Hebei,Shaanxi,Gansu and Ningxia;in the south of the country,the light & middle disaster takes place easily,and the heavy disaster frequency is on the increase,mainly lies in Hunan,Sichuan,Guizhou and Yunan. The range of drought occurrence is extending to the southwest as a whole,the degree of drought disaster is aggravating in China under the impacts of both global climate warming and the human activity.

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备注/Memo

备注/Memo:
收稿日期:2018-10-19;改回日期:2019-07-30。
基金项目:国家重点研发计划(2017YFC1502401);国家重点研发计划(2017YFC0403505)
作者简介:倪深海(1964-),男,教授级高工,博士,主要从事干旱灾害风险防控、水资源配置与管理方面的研究.E-mail:shni@nhri.cn
更新日期/Last Update: 1900-01-01