相关实验视频
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Watershed Planning within a Quantitative Scenario Analysis Framework
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流域水库组的利益风险反系统的定量分析框架
Lei Zheng1, Chao Tan2, Jiqing Li1
1School of Water Resources and Hydropower Engineering, North China Electric Power university, Beijing, 102206, PR China.
Water research
|March 20, 2025
概括
本研究引入了改进的条件风险值 (ICVaR) 和一个定量框架来评估水库运营风险和收益. 新方法减少了评估错误,并改善了流域管理的决策.
科学领域:
- 环境科学 环境科学
- 水文学的水文学
- 水资源管理 水资源管理
背景情况:
- 由于缺乏评估模拟场景的客观方法,环境变化挑战了流域管理.
- 对水库运营的好处和风险的不充分理解阻碍了科学决策.
- 现有的方法难以在复杂的水库系统中平衡竞争目标.
研究的目的:
- 开发一个新的定量框架来评估水库运营的利益和风险.
- 为了更好地评估风险,改进条件风险值 (ICVaR).
- 将框架与面板矢量自动回归 (PVAR) 集成,以增强决策支持.
主要方法:
- 改进风险条件值 (ICVaR),以纳入数据波动和尾部风险.
- 开发一个集成ICVaR和面板向量自回归 (PVAR) 的定量分析框架.
- 将多目标优化模型应用于金夏水库集团,用于洪水控制和发电.
主要成果:
- 拟议的框架大大减少了对操作方案的评估错误,从50.16%降至5%以下.
- 对于P≥1%的洪水,金夏水库集团的洪水控制和经济运作是一致的,而对洪水承载能力的竞争比对水资源的竞争更大.
- 该框架澄清了反关系,确定了关键的运营节点,并促进了适应性监管机制.
结论:
- 改进的ICVaR和定量框架提供了一种可靠的方法来评估水库运营的利益和风险.
- 建议将联合行动的重点放在水库储存能力上,而不仅仅是水资源分配.
- 该方法提供了一种普遍适用的方法,以加强对流域和水库管理的科学决策.
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