使用洪水范围来预测洪水事件后私人井中的微生物污染
Kyla R Drewry1, C Nathan Jones2, Wesley Hayes1
1Department of Civil and Environmental Engineering, Northeastern University, Boston, Massachusetts 02115, United States.
Environmental science & technology
|March 13, 2024
概括
洪水地图有助于在灾难发生后识别受污染的私人井,但其准确性各不相同. 在佛罗伦萨风之后,洪水边界出现了更高的污染率,突出了需要更好地绘制洪水地图,以确保井水的安全.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 水资源管理 水资源管理
背景情况:
- 私人井水污染是灾难恢复期间的一个重大问题,特别是在洪水事件后.
- 洪水范围和井水中的微生物污染之间的关系是复杂的,并且存在很大的差异.
- 有效应对灾害需要准确识别有风险的私人井.
研究的目的:
- 评估不同洪水边界的表现,以确定佛罗伦萨风后私人井中的微生物污染.
- 为了比较FEMA洪水地图,排水源源的洪水范围和卫星源的洪水范围的有效性.
- 评估洪水对井水质量的影响,并为灾后应对策略提供信息.
主要方法:
- 在各种洪水边界 (FEMA,排水源,卫星源) 内的私人井中的微生物污染率与常规条件进行比较.
- 分析了佛罗伦萨风前后的州产生的水质测试数据.
- 根据洪水类型 (河流,上岸,沿海) 评估了洪水边界性能的空间变化.
主要成果:
- 与常规条件相比,所有三个洪水边界内的微生物污染率都高出7.110.5倍.
- 估计淹没的私人井的数量从大约2600到超过108,400不等,这取决于所使用的洪水边界.
- 洪水边界在确定污染井的有效性因洪水类型而有空间差异.
结论:
- 洪水测绘技术的优点和局限性对于灾后井水管理至关重要.
- 鉴于参与率低 (测试井的1%以下),加强井水测试工作至关重要.
- 了解洪水边界性能指导,改善私人井安全的响应和恢复.
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