Propagation patterns of different degree meteorological droughts across the Yangtze River Basin: a three-dimensional drought feature identification approach with Copula modeling

• Published in: Journal of hydrology (Amsterdam) Vol. 662; p. 133857
• Main Authors: Xing, Lisong, Zhao, Ruxin, Sun, Hongquan, Tan, Zhuoyan, Fang, Qingqing, Li, Ming, Halder, Krishnagopal, Srivastava, Amit Kumar
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.12.2025
• Subjects: Copula function; Drought characteristics identification; Drought event degrees; Drought evolution; Drought characteristics identification; Drought evolution; Copula function; Drought event degrees
• ISSN: 0022-1694
• DOI: 10.1016/j.jhydrol.2025.133857

[Display omitted] •A quantified method to divide different degrees of drought events was proposed in this study.•Extreme drought in the YRB were frequent after 2000.•Severe and extreme droughts in the YRB were concentrated in the middle reaches.•A major extreme drought usually evolves from multiple...