使用CWQI,基于CRITIC的改进CWQI,灵敏度分析,多变量技术,机器学习算法和GIS方法进行综合性水质评估及其预测,以确定河流盆地 (奥迪沙州) 的污染强度
1Department of Civil Engineering, C.V. Raman Global University (CGU), Bhubaneswar, Odisha, India. das.abhijeetlaltu1999@gmail.com.
概括
由于人类活动和农业,奥迪沙邦的玛哈纳迪河水质不佳,TDS和大肠杆菌水平高. 像ANFIS这样的先进方法显示了准确的水质评估和管理的潜力.
科学领域:
- 水地地化学 水地地化学
- 环境科学 环境科学
- 水资源管理 水资源管理
背景情况:
- 玛哈纳迪河对奥迪沙的供水至关重要,但由于人类活动和农业而面临污染.
- 细菌污染和水质恶化的严重问题,需要紧急关注.
研究的目的:
- 为了对玛哈纳迪河的地表水进行水地化学研究.
- 确定控制地表水化学的过程,并评估家庭和农业用水的水质.
- 评估各种水质评估方法,包括WQI,MST和ML技术.
主要方法:
- 在季风季节 (2017-2024) 期间,从11个地点收集和分析了13个水样.
- 物理化学和初级离子分析,包括WQI,CRITIC-(C) R,PCA,DA,GAPSO-WQI,GMDH-WQI,火算法和ANFIS模型.
- 关键水质参数的敏感性分析.
主要成果:
- 地表水是性的,度高,TDS和大肠杆菌水平超过世卫组织的指导方针.
- 63.64%的水质不适合家庭使用,72.73%的水质根据改善的CWQI被认为不适合使用.
- PCA确定了表面下水,工业/城市废水和农业下水是主要的污染源.
- 在ANFIS模型中,水质参数的预测准确度很高 (MAPE=9.09%,RMSE=17.08%).
结论:
- 玛哈纳迪河的水质受到人类活动和农业实践的重大影响.
- 多种评估方法揭示了水质普遍恶化,特定地点受到严重污染.
- 该研究强调了先进的ML模型的有效性,如ANFIS用于准确的水质预测和可持续的水资源管理.
相关概念视频
Quality of Water
623
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
623
Testing Water Quality
427
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
427
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
346
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
346
Manipulation and Analysis
310
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
310


