评估影响饮用水源和卫生设施的沿海脆弱性:在孟加拉国Satkhira的空间,多变量和ML方法
Md Rajib Hossain1, Moumita Choudhury2, Rifat Islam3
1Department of Environmental Science and Disaster Management, Gopalganj Science and Technology University, Gopalganj, Bangladesh. rajib.esd@gstu.edu.bd.
Environmental monitoring and assessment
|April 21, 2025
概括
气候变化和盐水入侵威胁着孟加拉国的水安全. 这项研究发现含量高,含量低,导致水传染性疾病,特别是在儿童中,由于卫生条件不佳和水资源短缺.
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:
- 由于气候变化的影响,孟加拉国农村面临着对水安全的重大挑战.
- 盐水入侵和受污染的地表水对饮用水源构成风险.
- 评估水源的安全性和可持续性对于公共卫生至关重要.
研究的目的:
- 调查孟加拉国萨克希拉区的卫生和饮用水源的易受性.
- 评估地下水,受保护的池和池沙的可持续性和安全性.
- 了解居民的收集水方法,对水源的依赖,卫生和健康问题.
主要方法:
- 对2000名居民进行了一项关于用水,卫生和健康的调查.
- 分析了24个水样,以检测水化学参数 (pH,EC,TDS,盐度,温度) 和离子.
- 使用了统计分析,包括相关热图,主要组件分析 (PCA),反向距离权重 (IDW) 和自组织地图 (SOM).
主要成果:
- 在电导率 (EC) 和总溶解固体 (TDS) 之间观察到强烈的正相关性 (0.97).
- PCA解释了53.6%的水质变化,根据土壤,气候和农业方法对水质进行分类.
- 检测到含量升高和含量低,西部和南部地区的pH,EC,TDS和盐度度高.
结论:
- 盐水的入侵,卫生条件不佳和水资源短缺是水源性疾病的主要驱动因素,特别是在儿童中.
- 空间分析 (IDW,SOM) 显示,人类活动,农业排水和工业废水对水质有重大影响.
- 改进的水资源管理策略和社区参与对于确保萨特希拉区获得安全饮用水至关重要.
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