相关实验视频
Updated: Jun 7, 2025

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Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
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整合最佳管理实践与动态水环境能力,以实现最佳的流域管理
Lei Chen1, Yu Pu1, Kaihang Zhu1
1State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, PR China.
Journal of environmental management
|November 10, 2024
概括
本研究确定了水质管理的降雨门,这对于在非点源污染 (NPS) 的地区分配污染减少目标至关重要. 它提供了一个动态的水环境能力 (WEC) 模型,用于有效的流域管理.
科学领域:
- 环境科学 环境科学
- 水资源管理 水资源管理
- 水文学的水文学
背景情况:
- 非点源 (NPS) 污染使水质目标的设定和减排要求的分配变得复杂.
- 反映不同降雨条件的动态水环境容量 (WEC) 分配研究不足.
研究的目的:
- 使用随机算法探索降雨量和WEC之间的关系.
- 在中国三峡水库地区 (TGRR) 分配减排目标.
- 确定最佳管理实践 (BMP) 的最佳位置.
主要方法:
- 用一个随机算法来分析降雨-WEC关系.
- 一个分布式模型被用于准确的BMP位置.
- 减少目标在TGRR水域内分配.
主要成果:
- 确定了84毫米/月的降雨门,通过冲洗和稀释影响水质.
- 在90%的置信度下,总 (TP) 负荷超过了理想的WEC,每年超过324公斤.
- 降低肥料 (FR) 显示了降低入量的最大潜力 (303.8公斤/年).
结论:
- 该研究提供了一种方法,以动态WEC计算为基础,以雨量影响为准确的水质目标.
- 确定了最佳的BMP实施策略:上游的斜坡到露台 (ST) 和下游的FR.
- 这些发现为农业NPS主导的小型流域提供了可行的流域管理方法.
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