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August 26, 2025AgronomyOpen Access

Spatiotemporal Patterns, Driving Mechanisms, and Response to Meteorological Drought of Terrestrial Ecological Drought in China

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Analysis reveals spatial and temporal patterns of ecological drought in China, suggesting meteorological factors drive significant impacts.

Ecological drought in China intensified, with the standardized ecological water deficit index minimum of -1.21 in February 2020.
The maximum drought event severity of 6.28 occurred between September 2019 and April 2020, with a return period over 10 years.
Evapotranspiration emerged as the primary driver of ecological drought, showing a significant power of 18.75%.
The response of ecological drought to meteorological drought varies regionally, with average correlation coefficients reaching 0.48.

Qi et al. (2025) studied this question.

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Analysis reveals spatial and temporal patterns of ecological drought in China, suggesting meteorological factors drive significant impacts.