使用参与式水文方法进行农业流域保护和优化
Shubham Aggarwal1, Srinivas Rallapalli2, Nithyasree Thinagaran3
1Department of Bioproducts and Biosystems Engineering, University of Minnesota, St. Paul, MN, USA.
概括
在农业水域有效实施保护实践 (CPs) 是一个挑战. 这项研究简化了复杂的水文建模,包括农民的知识,确定减少耕作和过条为降低污染的成本效益.
科学领域:
- 环境科学 环境科学
- 农业工程 农业工程
- 水资源管理 水资源管理
背景情况:
- 实现农业水域的最大每日负载总量 (TMDL) 目标需要有效的保护实践 (CP).
- 复杂的水文模型阻碍了利益相关者的参与和CP的实际实施.
- 将当地知识与科学建模相结合,对于优化流域管理至关重要.
研究的目的:
- 开发一种简化的建模方法,整合农民知识,以优化农业保护实践.
- 评估各种CP的成本效益,以减少Pomme de Terre流域的沉积物和负载.
- 为了提高复杂的水文模型输出的可用性,为流域利益相关者.
主要方法:
- 使用水文模拟程序Fortran (HSPF) 进行复杂的水文建模.
- 开发了一个简化参与框架 (SAM) 来翻译HSPF的结果.
- 收录了农民对明尼苏达州Pomme de Terre流域七种保护实践的意见.
主要成果:
- 减少耕作和过条被认为是减少非点源污染的最具成本效益的CP.
- 保护覆盖的多年生植物也显示出减少污染物负载的巨大潜力.
- 综合方法促进了更具包容性和实用的场景开发过程.
结论:
- 一种整合利益相关者知识的无建模方法显著提高了优化管理场景的开发.
- 降低耕作和过条等具有成本效益的CP对于实现TMDL目标至关重要.
- 可持续实施CP需要通过用户友好的框架加强农民和业余模型师的参与.
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