含水层和地表水源灌溉用水的优化管理

IF 1.6 Q2 AGRICULTURAL ECONOMICS & POLICY

Journal of Agricultural and Applied Economics Pub Date : 2022-08-01 DOI:10.1017/aae.2022.23

Nicolas E. Quintana-Ashwell, D. Gholson

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引用次数: 4

摘要

摘要:在一个灌溉面积不断扩大、淡季降水充足的地区，我们探讨了农田蓄水与尾水回收系统在减少含水层枯竭方面的经济效益。从大范围和长远规划来看，收益是可观的，包括超过40亿美元的生产者剩余，500万英亩英尺的地下水保护，以及每英亩24美元的土地资本化。敏感性分析提供了关于贴现率、降雨回报、回报流和含水层补给率的影响的见解。研究结果可以为利益相关者提供关于采用农业实践和农业用水投资的最佳资金分配的信息。

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Optimal Management of Irrigation Water from Aquifer and Surface sources

Abstract We explore the economic merits of on-farm water storage with tailwater recovery systems to reduce aquifer depletion in a region with expanding irrigated acreage and substantial off-season precipitation. Gains are substantial on a broad scale and long planning horizon, including more than $4 billion in producer surplus, 5 million acre-feet of conserved groundwater, and land capitalization of $24 per acre. Sensitivity analyses provide insights with respect to the impact of discount rates, rainfed returns, return flows, and aquifer recharge rates. Results can inform stakeholders about the optimal allocation of funds directed at agricultural practice adoption and agricultural water investments.

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来源期刊

Journal of Agricultural and Applied Economics AGRICULTURAL ECONOMICS & POLICY-

CiteScore

3.30

自引率

5.30%

发文量

审稿时长

8 weeks

期刊介绍： Published on behalf of the Southern Agricultural Economics Association, the Journal of Agricultural and Applied Economics is a forum for creative and scholarly work in agricultural economics and related areas. Contributions on methodology and applications in business, extension, research, and teaching phases of agricultural and applied economics are equally encouraged. As of 2015 (Vol 47), articles are published on an open access basis.