Articles | Volume 27, issue 5
Technical note
14 Mar 2023
Technical note |  | 14 Mar 2023

Technical note: A stochastic framework for identification and evaluation of flash drought

Yuxin Li, Sisi Chen, Jun Yin, and Xing Yuan

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Cited articles

AghaKouchak, A., Farahmand, A., Melton, F. S., Teixeira, J., Anderson, M. C., Wardlow, B. D., and Hain, C. R.: Remote sensing of drought: Progress, challenges and opportunities, Rev. Geophys., 53, 452–480,, 2015. a
Basara, J. B., Christian, J. I., Wakefield, R. A., Otkin, J. A., Hunt, E. H., and Brown, D. P.: The evolution, propagation, and spread of flash drought in the Central United States during 2012, Environ. Res. Lett., 14, 084025,, 2019. a
Betts, A. K., Ball, J. H., Beljaars, A. C. M., Miller, M. J., and Viterbo, P. A.: The land surface-atmosphere interaction: A review based on observational and global modeling perspectives, J. Geophys. Res.-Atmos., 101, 7209–7225,, 1996. a
Cerasoli, S., Yin, J., and Porporato, A.: Cloud cooling effects of afforestation and reforestation at midlatitudes, Proc. Natl. Acad. Sci., 118, e2026241118,, 2021. a, b
Chen, L., Gottschalck, J., Hartman, A., Miskus, D., Tinker, R., and Artusa, A.: Flash Drought Characteristics Based on US Drought Monitor, Atmosphere, 10, 498,, 2019. a
Short summary
Flash drought is referred to the rapid development of drought events with a fast decline of soil moisture, which has serious impacts on agriculture, the ecosystem, human health, and society. While flash droughts have received much research attention, there is no consensus on its definition. Here we used a stochastic water balance framework to quantify the timing of soil moisture crossing different thresholds, providing an efficient tool for diagnosing and monitoring flash droughts.