Earth Sciences

Anthropogenic and atmospheric variability intensifies flash drought episodes in South Asia

I. Ullah, S. Mukherjee, et al.

Discover how flash droughts are intensifying in South Asia, particularly during critical crop seasons, as unveiled by Irfan Ullah, Sourav Mukherjee, Sidra Syed, Ashok Kumar Mishra, Brian Odhiambo Ayugi, and Saran Aadhar. This research highlights alarming trends in drought severity linked to climate change and persistent moisture transport patterns. Learn about the urgent need for adaptation strategies in the face of these growing threats.

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Abstract

Flash droughts, characterized by abrupt intensification, significantly impact South Asia. This study investigates their evolution, frequency, severity, and the role of atmospheric circulation and climate change. Analysis reveals higher flash drought frequency and intensity during the crop season, particularly in central India, western Pakistan, and eastern Afghanistan. Persistent atmospheric patterns hindering moisture transport are identified as a key driver. Anthropogenic climate change is shown to intensify flash droughts, with attributable risk reaching 90% in India. The study concludes that flash droughts will worsen, necessitating adaptation strategies.

Publisher

Communications Earth & Environment

Published On

May 20, 2024

Authors

Irfan Ullah, Sourav Mukherjee, Sidra Syed, Ashok Kumar Mishra, Brian Odhiambo Ayugi, Saran Aadhar

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