优先考虑保护实践地点,以有效改善水质,使用农业保护规划框架 (ACPF) 和土壤和水资源评估工具 (SWAT)
A N Rohith1, R Karki2, T L Veith3
1The Pennsylvania State University, Department of Agricultural and Biological Engineering, University Park, PA, USA.
Journal of environmental management
|November 17, 2023
概括
通过使用多标准方法优先考虑农业保护实践 (CP),通过有效地针对污染热点来改善水质. 这种方法有效地根据成本,有效性和减少污染物的排名CP,以便更好地做出决策.
科学领域:
- 环境科学 环境科学
- 农业科学 农业科学
- 水资源管理 水资源管理
背景情况:
- 有效的农业保护实践 (CPs) 对水质至关重要,但确定最佳位置是具有挑战性的.
- 农业保护规划框架 (ACPF) 在流域内确定了许多潜在的CP地点.
- 优先考虑这些地点对于最大限度地提高水质效益和指导实施至关重要.
研究的目的:
- 开发和展示一个高效的多标准排名技术,以优先考虑ACPF建议的CP.
- 将污染热点,CP成本和有效性纳入优先考虑过程.
- 支持决策者选择最具影响力的水质改善CP.
主要方法:
- 利用土壤和水资源评估工具 (SWAT) 模拟污染热点.
- 使用有关安装成本和污染物减少效率的文献数据,估计了CP成本和有效性.
- 应用了一种多标准排名技术,以根据沉积物负载,产量和成本来优先考虑CP.
主要成果:
- 单一标准优先级 (成本,负载,收益率) 显示了效率和热点准的局限性.
- 基于收益率的方法确定了热点中的CP,但需要更多的地点来实现目标减少.
- 多标准方法成功地优先考虑了沉积物热点中的CP,以实现减少目标.
结论:
- 多标准方法提供了一种有效的方法来优先考虑ACPF确定的农业保护实践.
- 这种方法可适应各种位置,污染物和可用的输入数据的保护实践.
- 该方法为在农业水域实施有效的水质改善战略提供了有价值的工具.
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