When the virtual water runs out: local and global responses to addressing unsustainable groundwater consumption

When the virtual water runs out: local and global responses to addressing unsustainable groundwater consumption
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当虚拟水耗尽时:地方和全球应对不可持续地下水消耗的应对措施

DOI:
10.1080/02508060.2023.2131272
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发表时间:
2022
影响因子:
2.6
通讯作者:
Hertel, Thomas W.
Hertel, Thomas W.
中科院分区:
环境科学与生态学3区
文献类型:
--
作者:
Haqiqi, Iman;Perry, Chris J.;Hertel, Thomas W.

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Given the growing importance of groundwater in irrigated crop production, policies aimed at restricting groundwater use create fears of intensified food insecurity. Yet, a comprehensive quantitative analysis is required to evaluate the impacts of groundwater sustainability restrictions on food system. Using a multi-scale multi-system framework integrating economic and biophysical determinants of sustainability, we find that the local economic impacts of a groundwater sustainability policy are often substantial. However, due to market-mediated responses, including surface water substitution, expansion of rainfed production, relocation and virtual trade in blue water, the final impact on global food prices and production is surprisingly modest.
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