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在印度一条腐烂的河流的背景下,评估生态风险的河水质量

Aznarul Islam¹, Balai Chandra Das², Sadik Mahammad¹

¹Department of Geography, Aliah University, 17 Gorachand Road, Kolkata, 700014, West Bengal, India.

Environmental science and pollution research international

|May 25, 2024

概括

印度河流水污染印度河流水污染

科学领域:

环境科学环境科学
评估水质水质的评估.
河流生态河流生态

背景情况:

河流衰退和水污染是全球性的问题,对印度的贾兰吉河的数据有限.
之前对印度河流的研究还没有完全详细说明贾兰吉河的水质状况.

研究的目的:

通过检查其水质,评估贾兰吉河的生态状况.
分析河流水质量和生态风险的空间和季节性变化.

主要方法:

收集了34个空间水样 (源至下沉,10公里间隔) 和119个季节性 (2012-2022) 水样.
在生态风险评估中使用了环氧化指数 (EI),有机污染指数 (OPI) 和整体污染指数 (OIP).

主要成果:

有机污染指数 (OPI) 值从7.17到588不等,EI超过1,表明了危急的生态条件.
总体污染指数 (OIP) 值 (2.67-3.91) 表明河水略有污染.
生物氧需求 (BOD),化学氧需求 (COD) 和低溶解氧 (DO) 的提升意味着一个关键的生态状态.

结论:

由于孟加拉盆地向东倾斜的影响,水流停滞,加剧了贾兰吉河的污染和生态风险.
人为因素,包括河床农业和未经处理的污水排放,显著降低了水质.
需要利益相关方的紧急,参与性关注,以解决河流日益恶化的生态状况.

关键词:

腐烂的河流正在衰落.生态风险生态风险贾兰吉河贾兰吉河水的污染污染水的污染水的质量水的质量

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