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South-to-North Water Diversion stabilizing Beijing’s groundwater levels

Earth Sciences

South-to-North Water Diversion stabilizing Beijing’s groundwater levels

D. Long, W. Yang, et al.

This groundbreaking study reveals how the South-to-North Water Diversion project has significantly aided in the recovery of groundwater storage in Beijing, counteracting depletion caused by climate variability and other policies. Conducted by a team of experts, it highlights that diverted water led to a remarkable reduction of 3.6 km³ in groundwater depletion from 2006 to 2018.

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Playback language: English
Abstract
Groundwater overexploitation is a critical issue in North China. This study examines the impacts of the central South-to-North Water Diversion (SNWD) on groundwater storage recovery in Beijing, considering climate variability and other policies. Results show that diverted water reduced cumulative groundwater depletion by -3.6 km³, accounting for 40% of total recovery (2006–2018). Increased precipitation and reduced irrigation contributed similarly. This recovery is projected to continue.
Publisher
Nature Communications
Published On
Jul 21, 2020
Authors
Di Long, Wenting Yang, Bridget R Scanlon, Jianshi Zhao, Dagen Liu, Peter Burek, Yun Pan, Liangzhi You, Yoshihide Wada
Tags
groundwater
South-to-North Water Diversion
climate variability
water management
Beijing

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