用WQI和多变量分析绘制加济浦市餐馆的饮用水污染情况
Md Rahadujjaman1, Md Rezaul Karim1, Rakibul Hasan1
1Civil and Environmental Engineering, Islamic University of Technology (IUT), Board Bazar, Gazipur, Bangladesh.
概括
加济普尔市餐馆的地下水通常不安全饮用,存在严重的细菌污染和高水平的污染物. 持续的监测和管理对于确保居民的安全饮用水至关重要.
科学领域:
- 环境科学 环境科学
- 水文地质学 水文地质学
- 公共卫生 公共卫生
背景情况:
- 在孟加拉国,地下水是饮用水的重要来源.
- 确保地下水安全需要持续监测.
- 加济浦市因城市化而面临地下水质量方面的挑战.
研究的目的:
- 为了评估加济普尔市餐厅地下水的物理化学和微生物质量.
- 用多个水质指数 (WQI) 模型评估地下水适合饮用.
- 确定地下水污染的主要来源.
主要方法:
- 分析了加济浦市18个区域的173个地下水样本 (2019年).
- 测量了14个物理化学参数 (pH,TDS,EC,主要离子等). ) 的情况.
- 应用层次集群分析,三个WQI模型 (IWQI,AWWQI,WAWQI),皮尔森相关性和因子分析.
- 对大肠杆菌和总大肠杆菌进行微生物分析.
主要成果:
- 31% (IWQI) 和49% (WAWQI) 的样本不适合饮用.
- 在TDS,EC和颜色之间发现了强烈的正相关性.
- 显著的细菌污染:47%*大肠杆菌*,64%的总大肠杆菌.
- 工业废水,农业排水和岩石水相互作用被确定为主要污染源.
结论:
- 加济普尔市餐馆的地下水存在严重污染,构成公共卫生风险.
- 多个WQI模型表明,大量的水不适合消费.
- 迫切需要有效的地下水监测和管理策略,以确保安全的饮用水供应.
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