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一个框架,规范沿海地区的供水,避免提取盐水,考虑到上游流水分布
Haiou Wu1, Xinjun Tu2, Xiaohong Chen1
1Center of Water Resources and Environment, School of Civil Engineering, Sun Yat-sen University, Guangzhou 510275, China.
The Science of the total environment
|September 27, 2023
概括
沿海淡水供应受到盐水入侵的威胁. 一个新的框架,通过避免盐水提取 (RASW) 来规范供水,通过管理溪流和水库运行来提高水安全.
科学领域:
- 水文和水资源管理 水文和水资源管理
- 沿海工程 沿海工程
- 环境科学 环境科学
背景情况:
- 沿海地区的淡水供应至关重要,但受到盐水入侵的威胁,特别是在干旱季节.
- 现有的研究不足地解决了盐水入侵,溪流和人类项目的对供水安全的综合影响.
- 了解这些动态对于在潮河流系统中可持续管理水资源至关重要.
研究的目的:
- 引入一个新的框架,通过避免盐水提取 (RASW) 来规范供水,以评估和增强沿海地区的淡水供应.
- 综合分析盐水入侵,上游溪流和下游供水安全之间的相互关系.
- 为脆弱沿海地区的综合供水管理提供决策工具.
主要方法:
- 开发了RASW框架,包括河口盐度超值模拟,上游流量分布设计和当地供水安全分析.
- 利用了关于溪流,潮,风,盐度,项目容量和水需求的数据.
- 采用元高斯式合器来模拟六维的月度流量分布和场景设计.
主要成果:
- 超高斯配方有效模拟流量分布,证明适用于场景设计.
- 一个共同的河流-水库调节模式显著改善了供水安全.
- 极低流量事件,特别是长期或迟发生的事件,对供水安全构成重大威胁.
结论:
- RASW框架为沿海供水安全的决策提供了一种综合方法.
- 管理流量分布,包括避免极低流量和调整其时间,可以减轻供水压力.
- 优化地方调节设施的能力对于确保沿海地区稳健供水至关重要.
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