An examination of the fluctuation and long-term persistence of drought regimes in the Jing River basin using the PDSI–SWAT model

被引：0
|
作者：
Mu, Dengrui [1 ]
Zhang, Hongbo [1 ,2 ,3 ]
Dang, Chiheng [1 ]
Yao, Congcong [1 ]
Zhang, Yu [1 ]
Lyu, Fengguang [1 ]
机构：
[1] School of Water and Environment, Chang’an University, Xi’an,710054, China
[2] Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang’an University, Xi’an,710054, China
[3] Key Laboratory of Eco-hydrology and Water Security in Arid and Semi-arid Regions of the Ministry of Water Resources, Chang’an University, Xi’an,710054, China
来源：
Journal of Water and Climate Change | 2024年 / 15卷 / 11期
关键词：
Droughts are becoming more widespread around the world. Drought warnings have become more complex as environmental factors affect drought severity. Furthermore; droughts have an increasing impact on social and economic growth. As a result; it is critical to analyze drought patterns and previous drought events. The study used the Jing River basin in China as an example and employed hydro-meteorological data from 1961 to 2013 to feed into the Soil and Water Assessment Tool model. Through the persistence analysis; it can be found that the current drought will likely remain; with drought deepening in arid areas and water scarcity in humid ones. The findings indicate that monitoring the sub-basin for signals of inconsistent droughts is necessary to improve drought early warning systems and relief efforts; especially in areas with slightly lower precipitation. As a result; this paper suggests a basin drought zoning technique that may adapt to future local conditions; enabling the implementation of more efficient drought-relief measures in response to shifting drought conditions and patterns. This will bring new insights into the best framework for drought-relief strategies in various places. © 2024 The Authors;
D O I：
10.2166/wcc.2024.596
中图分类号：
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页码：5357 / 5381
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