Variation Trends of Precipitation and Runoff in the Jinsha River Basin, China: 1961-2015

被引：2
|
作者：
Xiong, Yi [1 ,2 ]
Zhou, Jianzhong [1 ]
Sun, Na [1 ]
Jia, Benjun [1 ]
Hu, Guohua [2 ,3 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Hydropower & Informat Engn, Wuhan 430074, Peoples R China
[2] Changsha Univ Sci & Technol, Sch Hydraul Engn, Changsha 410114, Peoples R China
[3] Key Lab Water Sediment Sci & Water Disaster Preve, Changsha 410114, Peoples R China
来源：
2019 5TH INTERNATIONAL CONFERENCE ON ENVIRONMENTAL SCIENCE AND MATERIAL APPLICATION | 2020年 / 440卷
基金：
国家自然科学基金重大研究计划;
关键词：
CLIMATE-CHANGE; IMPACTS;
D O I：
10.1088/1755-1315/440/5/052044
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Data analysis and mathematical statistics are used to analyze the Interannual variation of runoff and precipitation in the Jinsha River basin from 1961 to 2015. The area average annual precipitation showed no significant upward trend, and the annual runoff showed no significant downward trend. The results of cumulative anomaly test, MK mutation test and sliding t test are consistent, there were three mutation years of 1984, 1997 and 2005 in the time series of annual precipitation and runoff in the Jinsha River basin. This study also provides necessary hydrometeorological basic information for quantitative assessment of the contribution rate of climate change and human activities to runoff change.
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收藏
页数：5
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