A novel copula-based index for agricultural drought monitoring: integrating vegetation response and meteorological drought dynamics in the middle–lower Yangtze River Basin

Under climate change, the frequency, duration and extent of droughts have been increasing over the past few decades, continuing to pose a growing threat to the ecological health, food security and social stability. No uniform and feasible agricultural drought monitoring index appeared, which can acc...

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Bibliographic Details

Published in:	Ecological Indicators
Main Authors:	Xinyi Lan, Yi Luo, Guoyong Leng, Junjun Cao
Format:	Article
Language:	English
Published:	Elsevier 2025-09-01
Subjects:	Agricultural drought index Middle and lower reaches of the yangtze river Vegetation optical depth Sun-induced chlorophyll fluorescence Copula
Online Access:	http://www.sciencedirect.com/science/article/pii/S1470160X25010398