Results 41 to 50 of about 4,489 (218)

ASSESSMENT OF GROUNDWATER QUALITY USING WATER QUALITY INDEXIN, AL-HAWIJA AREA, NORTHERN IRAQ

Iraqi Geological Journal, 2016
The quality of groundwater in the Al-Hawija area was assessed using a water quality index. Data of nine physico-chemical parameters of 28 groundwater wells were used to calculate the water quality index (WQI).
Salih Muhammad Awadh, JoudahAefan Al-Kilabi, Firas Mudhafar Abdulhussein   +2 more
doaj   +1 more source

Study of the Influence of Physicochemical Parameters on the Water Quality Index (WQI) in the Maranhão Amazon, Brazil

, 2022
Water quality is mainly assessed using traditional water quality assessment methods that measure chemical parameters against established standards. The water quality index is used worldwide for water quality assessment.
Neuriane Silva Lima, Anna Regina Lanner Moura, Darlan Ferreira Silva, Rita Cássia Mendonça Miranda, Mikaelly Luzia Silva Dutra, Wellyson Cunha Araújo Firmo, Maria Raimunda Chagas Silva, Andrea Souza Monteiro, Luís Cláudio Nascimento Silva, Fábio Henrique Ramos Braga, Gleice Melo Silva   +10 more
core   +1 more source

A Machine Learning-Based Framework for Water Quality Index Estimation in the Southern Bug River

, 2023
River water quality is of utmost importance because the river is not only one of the key water resources but also a natural habitat serving its surrounding environment.
Mohammad Zakwan, Reza Piraei, Adil Masood, Majid Niazkar   +3 more
core   +1 more source

A Simplified Equation for Calculating the Water Quality Index (WQI), Kalu River, Sri Lanka [PDF]

, 2023
The water supply system plays a major role in the community. The water source is carefully selected based on quality, quantity, and reliability. The quality of water at its sources is continuously deteriorating due to various anthropogenic activities and
Jayaneththi, Dimantha I., Tota-Maharaj, Kiran, Siriwardhana, Kushan D., Gunathilake, Miyuru B., Kushan D. Siriwardhana, Dimantha I. Jayaneththi, Miyuru B. Gunathilake, Rathnayake, Upaka, Azamathulla, Hazi Md., Kiran Tota-Maharaj, Herath, Ruchiru D., Upaka Rathnayake, Jayasinghe, Hemantha, Randika K. Makumbura, Ruchiru D. Herath, Hazi Md. Azamathulla, Makumbura, Randika K., Hemantha Jayasinghe   +17 more
core   +1 more source

Enhancement of water quality index prediction using support vector machine with sensitivity analysis

Frontiers in Environmental Science, 2023
For more than 25 years, the Department of Environment (DOE) of Malaysia has implemented a water quality index (WQI) that uses six key water quality parameters: dissolved oxygen (DO), biochemical oxygen demand (BOD), chemical oxygen demand (COD), pH ...
Naeimah Mamat, Siti Fatin Mohd Razali, Fatimah Bibi Hamzah   +2 more
doaj   +1 more source

Lower Danube Water Quality Quantified through WQI and Multivariate Analysis

, 2019
The aim of the present paper is to quantify water quality in the Lower Danube Region by using a series of multivariate techniques and the Water Quality Index (WQI).
Lucian P. Georgescu, Violeta Pintilie, Gabriel Murariu, Maxim Arseni, Catalina Topa, Catalina Iticescu, Mihaela Timofti   +6 more
core   +1 more source

Assessing the Effectiveness of CCME-WQI, NSF-WQI, OWQI, and Smith Index Water Quality Indices in Karst Areas

Jurnal Ilmu Lingkungan
Water quality assessment employs various methods, including water quality indices (WQI). This study compares several WQI methods to evaluate Sumurup River and Seropan Underground River in Gunungkidul Regency.
Almira Rahma Hinanto, Margaretha Widyastuti, Eko Haryono   +2 more
doaj   +1 more source

WQI Assessment for Swarnamukhi River water at Chandragiri, Andhra Pradesh, India [PDF]

E3S Web of Conferences
Potable water remains a global issue as the world continues to consume water from untreated sources. Almost all human activities such as domestic, agricultural and industrial need water. Quality of water is crucial for all.
Vijaya Kumar Mamilla, Prasad Raju Hemadri, Raga Swaroop Reddy K., Tharun Balaji B.   +3 more
doaj   +1 more source

Function model for calculating the Water Quality Index - WQI [PDF]

, 2023
0000-0001-5650 ...
Simanca Herrera, Fredys alberto, Cortes Mendez, Jairo, Castro Fernandez, Mario, Paez Paez, Jaime   +3 more
openaire  

Using Machine Learning Models for Predicting the Water Quality Index in the La Buong River, Vietnam

, 2022
For effective management of water quantity and quality, it is absolutely essential to estimate the pollution level of the existing surface water. This case study aims to evaluate the performance of twelve machine learning (ML) models, including five ...
Do Quang Linh, Dao Nguyen Khoi, Nguyen Trong Quan, Nguyen Thi Diem Thuy, Pham Thi Thao Nhi   +4 more
core   +1 more source