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根据地下水透概率来优先考虑下水道:一个地理空间方法
Nejat Zeydalinejad1, Akbar A Javadi2, Mark Jacob3
1Centre for Resilience in Environment, Water and Waste (CREWW), University of Exeter, North Park Road, Exeter, Devon, EX4 4TA, United Kingdom.
Water research
|September 7, 2025
概括
本研究使用地理空间分析优先考虑了英格兰西南部的地下水透 (GWI) 管理的下水道盆地. 它确定了影响GWI的关键因素,指导针对性研究和下水道网络的资源配置.
科学领域:
- 环境工程环境工程
- 水文学的水文学
- 地理空间科学 地理空间科学
背景情况:
- 污水网络中的地下水透 (GWI) 是一个关键但未被充分研究的问题,影响网络容量和维护.
- 之前对GWI的评估缺乏对下水道流域的全面,大规模评估.
- 增加的水输入压力下水道网络,需要更好的GWI管理策略.
研究的目的:
- 根据英格兰西南部的量化GWI指标来优先考虑下水道区.
- 为填补大规模的缺口,对下水道网络进行全面的GWI评估.
- 为GWI研究和现场调查提供有效的资源配置指导.
主要方法:
- 利用地理空间技术和模糊分析层次过程 (F-AHP) 进行高分辨率GWI评分 (10m × 10m).
- 整合了13个主题层,包括下水道特性 (材料,深度,年龄) 和水文因素 (地下水生产力,河流附近).
- 进行了敏感性分析,以确定影响GWI的关键因素.
主要成果:
- 根据英格兰西南部的GWI分数,开发了排污区的优先级地图.
- 确定了安装日期,地下水生产率,河流附近,以及低降水期间的资产性能作为关键GWI影响因素.
- 突出挑战包括数据稀缺,规模不一致以及有限的观测井.
结论:
- 该研究为优先考虑GWI研究和对下水道网络的干预提供了一个框架.
- 这些发现使得管理地下水透的资源能够更有效地分配.
- 未来的工作应该集中在扩大监测和改善数据稀缺地区的水文模型.
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