Articles | Volume 25, issue 5
https://doi.org/10.5194/hess-25-2705-2021
https://doi.org/10.5194/hess-25-2705-2021
Research article
 | 
20 May 2021
Research article |  | 20 May 2021

Causal effects of dams and land cover changes on flood changes in mainland China

Wencong Yang, Hanbo Yang, Dawen Yang, and Aizhong Hou

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Latest update: 01 Nov 2024
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Short summary
This study quantified the causal effects of land cover changes and dams on the changes in annual maximum discharges (Q) in 757 catchments of China using panel regressions. We found that a 1 % point increase in urban areas causes a 3.9 % increase in Q, and a 1 unit increase in reservoir index causes a 21.4 % decrease in Q for catchments with no dam before. This study takes the first step to explain the human-caused flood changes on a national scale in China.