暴发洪水
农业
闪光灯(摄影)
地理
中国
自然地理学
生态系统
环境科学
生态学
生物
大洪水
艺术
视觉艺术
考古
作者
Jordan I. Christian,Jeffrey B. Basara,Eric Hunt,Jason A. Otkin,Jason C. Furtado,Vimal Mishra,Xiangming Xiao,Robb M. Randall
标识
DOI:10.1038/s41467-021-26692-z
摘要
Abstract Flash drought is characterized by a period of rapid drought intensification with impacts on agriculture, water resources, ecosystems, and the human environment. Addressing these challenges requires a fundamental understanding of flash drought occurrence. This study identifies global hotspots for flash drought from 1980–2015 via anomalies in evaporative stress and the standardized evaporative stress ratio. Flash drought hotspots exist over Brazil, the Sahel, the Great Rift Valley, and India, with notable local hotspots over the central United States, southwestern Russia, and northeastern China. Six of the fifteen study regions experienced a statistically significant increase in flash drought during 1980–2015. In contrast, three study regions witnessed a significant decline in flash drought frequency. Finally, the results illustrate that multiple pathways of research are needed to further our understanding of the regional drivers of flash drought and the complex interactions between flash drought and socioeconomic impacts.
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