地理信息系统驱动的智能地表水质评估,用于增强饮用和灌目的在布拉曼尼河,奥迪沙州 (印度)
1Department of Civil Engineering, C.V. Raman Global University (C.G.U.), Bhubaneswar, Odisha, 752054, India. das.abhijeetlaltu1999@gmail.com.
Environmental monitoring and assessment
|May 6, 2025
概括
这项研究评估了布拉马尼河的饮用和农业用水质量,发现它大多适合,但由于季节性变化和污染,需要管理. 影响水质的关键因素包括自然过程和人为活动,需要采取补救措施,以实现可持续的资源管理.
科学领域:
- 环境科学 环境科学
- 水资源管理 水资源管理
- 地质化学 地质化学
背景情况:
- 奥迪沙的河流盆地面临着农业,市政废水和工业排放的重大退化.
- 作为重要水源的布拉马尼河受肥料和农药过度使用的影响,威胁到各种用途的水质.
研究的目的:
- 评估布拉马尼河的饮用和农业用途的水质.
- 确定导致水质恶化的关键因素.
- 为水资源管理机构提供可操作的见解.
主要方法:
- 从12个地点收集和分析季风前和季风后季节 (2017-2021) 的物理化学参数.
- 将水质数据与世界卫生组织 (WHO) 标准进行比较.
- 使用水质指数 (WQI) 和加拿大环境部长理事会水质指数 (CCME-WQI) 评估季节性变化.
- 使用指数 (SAR,MH,%Na,PI,RSC,KI,ESP) 和实证贝叶斯基林 (EBK) 建模来评估灌适用性.
- 使用地理信息系统 (GIS) 和地化学分析 (吉布斯,派珀,威尔科克斯图) 的空间绘图.
主要成果:
- 大多数样本适合饮用和灌,水具有轻微的性.
- 在季风前的季节,水质从好到差,在季风后的季节,水质从好到边缘.
- 离子之间的强烈相关性表明自然气候/侵蚀和人为活动的联合影响.
- 实证贝叶斯式灌 (EBK) 建模在评估灌适用性方面表现出高准确性.
- 上游地区与下游地区相比,水压力更大.
结论:
- 人为 (污水,废物倾倒) 和地质 (蒸发,矿物溶解) 因素都对水质产生重大影响.
- 需要采取补救措施来提高水质,EBK已被证明是可持续灌的有效方法.
- 减少污水流出,管理雨水,防止固体废物处理对于保护水资源至关重要.
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