Patterns and attributions of hydrological drought in the Yangtze River basin from 1966 to 2015

被引：0
|
作者：
Yang X. [1 ,2 ]
Cui Z. [1 ,2 ]
Ren L. [1 ,2 ]
Wu F. [1 ,2 ]
Yuan S. [1 ,3 ]
Jiang S. [1 ,2 ]
Liu Y. [1 ,2 ]
机构：
[1] The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing
[2] College of Hydrology and Water Resources, Hohai University, Nanjing
[3] Yangtze Institute for Conservation and Development, Nanjing
来源：
Shuikexue Jinzhan/Advances in Water Science | 2023年 / 34卷 / 03期
基金：
中国国家自然科学基金;
关键词：
human activity; hydrological drought; PCR-; GLOBWB; 2; 0; model; reliability- resilience- vulnerability framework; the Yangtze River basin;
D O I：
10.14042/j.cnki.32.1309.2023.03.003
中图分类号：
学科分类号：
摘要：
As one of the possible consequences of climate change and human activities, extreme drought becomes more frequent. This study investigates how human activities altered the hydrological droughts pattern in the Yangtze River basin from 1966 to 2015 by using the ISRI-RRV. ISRI-RRV is calculated based on the PCR-GLOBWB 2. 0 model simulated ISR and Reliability-Resilience-Vulnerability (RRV). The results show that the model simulated ISR can effectively reflect the hydrological drought situation of the Yangtze River basin. From 1966 to 2015, the hydrological drought in the Yangtze River basin showed an increasing trend and the human activities can reduce the proportion of the hydrological drought area in the Yangtze River basin after 1992. The ISRI-RRV of the Yangtze River basin under the human activity scenario from 2006 to 2015 is significantly higher than that under the natural scenario. The human water intake activities dominated by reservoir regulation have the largest contribution to the increase of ISRI-RRV of the Yangtze River basin. © 2023 China Water Power Press. All rights reserved.
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页码：349 / 359
页数：10
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