نتایج جستجو برای: water quality index wqi

تعداد نتایج: 1596079  

Journal: :Oriental journal of chemistry 2022

The current study was conducted to assess the water quality of Valley Duhok as a source for drinking livestock and poultry in region. Seventy-two samples were collected from six sites valley conduct physicochemical biological tests, sub-index model (WQI) applied quality.The results index indicated that Dam Lake (site N1) good poultry, while rest on category very poor animals, with WQI values ra...

Ali Abdolkhani Alireza Nikbakht Shahbazi, Narges Zohrabi

Karkheh river is located in southwestern of Iran. Industrial and agricultural activities around the river contaminate it through its path. Water quality modeling from upstream of Shoosh city to downstream was simulated by QUAL2K model. In this study, we investigated how best to manage the quality of Karkheh river to be done. Nine parameters including BOD, COD, DO, PH, turbidity, nitrate, phosph...

Journal: :Journal of physics 2021

Abstract The aim of this study is to determine the Caracosh (Al-Hamdannia district) groundwater water quality index (CCME WQI). This was calculated by taking samples and putting them into a thorough physicochemical examination. For calculating WQI, following 9 parameters have been considered: pH, TDS, T. Alkalinity, hardness, Ca, Mg, Chloride, Sulphate Nitrate. WQI for these ranges from 25.19 9...

Journal: :Water 2021

Water quality in the Dawu water source area is primarily studied through traditional assessment method that measures chemical parameters of against existing standards, which simple but cannot accurately describe quality. Although index (WQI) proposed by Horton widely used for comprehensive evaluation, parameter selection and weight determination are based on Delphi method, subjective random. Mo...

Journal: :ASM science journal 2021

This study investigated the spatial variation of nitrogen (N)-based and phosphorus (P)-based nutrients together with water quality parameters (temperature, pH, dissolved oxygen, biological oxygen demand, chemical demand total suspended solids) in Dungun River basin, Terengganu. The Water Quality Index (WQI) river was applied according to Malaysian Department Environment (DOE-WQI) classified bas...

2012
Mohd Fahmi Mohd Nasir Munirah Abdul Zali Hafizan Juahir Hashimah Hussain Sharifuddin M Zain Norlafifah Ramli

Recent techniques in the management of surface river water have been expanding the demand on the method that can provide more representative of multivariate data set. A proper technique of the architecture of artificial neural network (ANN) model and multiple linear regression (MLR) provides an advance tool for surface water modeling and forecasting. The development of receptor model was applie...

Journal: :Vestnik Rossijskogo universiteta družby narodov 2023

A study of the quality drinking water sources - surface waters river systems city Latacunga and canton Pedro Vicente Maldonado, Ecuador, was carried out during 2018 2019. The general sanitary index (WQI) calculated according to Russian methods, National Sanitation Foundation (NSF-WQI) Ecuadorian regulation. Results from parameterizing quality, obtained by WQI NSF-WQI methods combined into an ov...

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