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根据使用先进的水质方法对地表水的污染指数进行布拉曼尼河的饮用水资源适用性评估
1Department of Civil Engineering, C.V. Raman Global University (CGU), Bhubaneswar, Odisha, India. das.abhijeetlaltu1999@gmail.com.
Scientific reports
|September 30, 2025
概括
奥迪沙的水质在奥迪沙的水质
科学领域:
- 环境科学 环境科学
- 水资源管理 水资源管理
- 分析化学 分析化学
背景情况:
- 奥迪沙的河流面临着来自工业,农业和城市的污染.
- 布拉赫马尼河是奥迪沙第二大流域,受到自然和人为变化的影响.
- 可持续的水资源管理需要准确的水质预测和监测.
研究的目的:
- 用多个指数和统计方法评估布拉马尼河的水质.
- 确定污染源并评估水的适用性,用于饮用和灌.
- 提出改善水质的战略,并为政策决策提供信息.
主要方法:
- 从七个站点收集了四个季风季节 (2020-2024) 的水样.
- 应用加权算法 (WA) 水质指数 (WQI),合成污染指数 (SPI),尼默罗污染指数 (NPI) 和整体污染指数 (OIP).
- 利用主要组件分析 (PCA) 来识别来源,并根据距离平均解决方案 (EDAS) 进行评估,以排名污染水平.
主要成果:
- WA-WQI值在49-72之间,表明污染来自重金属,营养素和微生物.
- SPI,NPI和OIP值确定了各站点的特定污染水平.
- PCA确定了两个主要的污染源,贡献了89%的差异,与有机和危险污染物有关.
- 根据EDAS的评分,特定地点 (Y-(1),Y-(2),Y-(7) 受到严重污染,主要是由于当地污染的气造成的.
结论:
- 由于废水污染,人类活动和土地利用变化,四个采样地点不适合饮用和灌.
- 有效控制点源污染和恢复河流对于改善水质至关重要.
- 该研究为开发适应性和准确的水质管理系统提供了一个框架.
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