开发一个多目标水库运行模式,用于水质量管理和水量管理
Mahboubeh Khorsandi1, Parisa-Sadat Ashofteh2, Vijay P Singh3
1M.Sc. Student, Department of Civil Engineering, University of Qom, Qom, Iran.
Journal of contaminant hydrology
|June 15, 2024
概括
本研究介绍了一种使用模拟优化方法的高效水库运行模型 (MOQQROM). 开发的模型显著降低了计算复杂性,提高了水库管理的水质和数量目标.
科学领域:
- 环境工程 环境工程
- 水资源管理 水资源管理
- 计算水文学计算水文学
背景情况:
- 储运行模型面临着计算复杂性的挑战.
- 在有效的水库管理中,平衡定量 (供水) 和定性 (水质) 目标至关重要.
- 现有的模拟优化方法往往需要大量的计算资源.
研究的目的:
- 使用模拟优化方法开发一个多目标的定量质量水库运行模型 (MOQQROM).
- 通过将一个多目标火虫算法-k近邻 (MOFA-KNN) 与CE-QUAL-W2模型集成来提高计算效率.
- 评估模型在各种水文情景下管理水质 (TDS,温度) 和数量 (脆弱性指数) 的表现.
主要方法:
- 开发了一个MOQQROM,将CE-QUAL-W2水力学和水质模型与扩展的MOFA-KNN优化算法集成在一起.
- 采用模拟优化方法来减少模拟模型调用的数量,从而减少计算负担.
- 在Aidoghmoush水库的正常,潮湿和干旱年情景下,使用三个目标来评估该模型:总溶解固体 (TDS) 质量,水库外流温度差异和脆弱性指数.
主要成果:
- 扩展的MOFA-KNN减少了99%以上的模拟模型调用,大大减少了执行时间.
- 确定了一个妥协的运营政策,平衡水质改善和需求供应,外流温度接近入流温度 (正常情况下8.35%,湿年0.93%的差异).
- 该模型在不同水文条件下管理冲突的水质和数量目标方面表现出令人满意的表现.
结论:
- 开发的MOQQROM与MOFA-KNN进行了增强,有效地解决了多目标水库运行的计算复杂性.
- 该模型提供了一个强大的框架,通过平衡水质和数量目标来优化水库管理.
- 该方法在水资源管理中的模拟-优化计算效率方面提供了显著的改进.
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