Agricultural impacts of sustainable water use in the United States.
Agricultural impacts of sustainable water use in the United States.
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DOI：
10.1038/s41598-021-96243-5
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发表时间：
2021-09-09
影响因子：
4.6
通讯作者：
Binsted M
中科院分区：
文献类型：
--
作者：
Graham NT;Iyer G;Hejazi MI;Kim SH;Patel P;Binsted M
有人建议采取限制地下水抽取和调整部门水价等治理措施，作为遏制近期地下水抽取增加和加强可持续用水的应对策略。然而，人们对此类可持续发展战略的影响知之甚少。我们以美国（U.S.）为例，研究这些措施的影响。使用全球变化分析模型 (GCAM) 和美国州级详细信息，我们发现这两项治理措施的结合可以极大地改变美国的农业生产。西南部将损失农业总产量的 25% 以上，其中大部分通过美国东海岸河流流域的产量增加得到补偿。未来可持续水治理措施的实施将需要额外的投资，使农民能够最大限度地提高产量，同时最大限度地减少取水，以避免潜在的潜在风险。有害的收入损失。
Governance measures such as restrictions on groundwater pumping and adjustments to sectoral water pricing have been suggested as response strategies to curtail recent increases in groundwater pumping and enhance sustainable water use. However, little is known about the impacts of such sustainability strategies. We investigate the implications of such measures, with the United States (U.S.) as an example. Using the Global Change Analysis Model (GCAM) with state-level details in the U.S., we find that the combination of these two governance measures can drastically alter agricultural production in the U.S. The Southwest stands to lose upwards of 25% of their total agricultural production, much of which is compensated for by production increases in river basins on the east coast of the U.S. The implementation of future sustainable water governance measures will require additional investments that allow farmers to maximize production while minimizing water withdrawals to avoid potentially detrimental revenue losses.
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