全球关于干旱地区洪水风险减缓的见解,使用当地案例研究的地形学和地物理模型
Adel Kotb1, Ayman I Taha2, Ahmed A Elnazer3
1Geology Department, Faculty of Science, Helwan University, Ain Helwan, Cairo, 11795, Egypt. adelkotb@science.helwan.edu.eg.
Scientific reports
|August 28, 2024
概括
沙特阿拉伯的洪水风险
科学领域:
- 地球和环境科学 地球和环境科学
- 水文学的水文学
- 地质物理学 地质物理学
背景情况:
- 干旱地区面临严重的洪水风险,影响社区和基础设施.
- 沙特阿拉伯的Wadi Al-Laith呈现出一个复杂的水文景观,洪水潜力很高.
- 有效减轻洪水风险对于干旱环境的可持续发展至关重要.
研究的目的:
- 综合检查沙特阿拉伯瓦迪·拉伊斯 (Wadi Al-Laith) 的洪水风险减轻策略.
- 确定适合新的位置,以减轻洪水风险.
- 在易受洪水侵袭的干旱地区,为水选址提供创新方法.
主要方法:
- 对水文参数进行形态测量分析,包括排水密度,流频率,排水强度和透数.
- 使用垂直电探测 (VES) 和时间域电磁 (TDEM) 调查进行地质物理调查.
- 开发一个多层地质电模型来描述地下层和含水量.
主要成果:
- 形态测量分析表明,由于排水密度和透率低,洪水风险较高.
- 地质调查发现了一个和的沉积层和一个含水的破裂岩层.
- 在第二个地区,一个拟议的水地点显示了56%的适用性,建议水高度为230-280米,长度为800米.
结论:
- 该研究为干旱地区的洪水风险评估和水选址提供了强有力的框架.
- 拟建的水建设对于减轻瓦迪·拉伊斯 (Wadi Al-Laith) 地区的洪水风险至关重要.
- 调查结果为全球水资源管理和可持续发展的政策制定者和实践者提供了宝贵的见解.
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