针对农场内地表水储存的投资,以保护地下水
1Department of Accounting, Economics, and Finance, University of Arkansas at Little Rock, Little Rock, AR, USA. kkovacs@ualr.edu.
Environmental management
|January 9, 2026
概括
通过在农场内储存地表水的补贴投资地下水保护,可以获得显著的收益. 这一战略平衡了保护成本和效益,导致了水表恢复和经济收益.
科学领域:
- 环境科学 环境科学
- 农业经济学 农业经济学
- 水文学的水文学
背景情况:
- 最佳的保护投资需要平衡利益与成本.
- 地下水的枯竭是一个关键的环境和经济问题.
- 农场内地表水储存为地下水保护提供了一个潜在的解决方案.
研究的目的:
- 通过农场内地表水储存补贴,模拟保护地下水的净社会效益.
- 评估补贴对地下水位和农业用地使用的影响.
- 确定特定地点的条件,最大限度地提高地下水保护的净效益.
主要方法:
- 地下水效益与保护成本的经济建模.
- 模拟农场内地表水储存对地下水和耕地的影响.
- 分析补贴水平及其对保护量和净收益的影响.
主要成果:
- 目前对地表储存的补贴在30年后的平均社会净收益为12.32美元/英/英尺,增加了10.6%的含水层厚度.
- 减少补贴增加了每单位地下水保护的净收益,但减少了总的保护量.
- 三分之一面临地下水枯竭的地点在补贴下出现了地下水层复苏,突出了保护效率.
结论:
- 在农场的地表水储存补贴可以有效地促进地下水的保护和地下水层的补充.
- 净收益最高的地区是大米产量高,大豆产量低,含水层浅,自然补充量高的地区.
- 对补贴水平的政策调整可以优化保护量和净经济回报之间的权衡.
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