Results 11 to 20 of about 486,083 (311)

Groundwater Quality Evaluation of the Dawu Water Source Area Based on Water Quality Index (WQI): Comparison between Delphi Method and Multivariate Statistical Analysis Method [PDF]

open access: yes, 2021
Water quality in the Dawu water source area is primarily studied through the traditional water quality assessment method that measures the chemical parameters of water against the existing standards, which is simple but cannot accurately describe the ...
Xiaowei Cui   +7 more
core   +1 more source

A Generalized Water Quality Index for Taiwan [PDF]

open access: yesEnvironmental Monitoring and Assessment, 2004
By exploring the behavior and limitations of conventional methods for quality evaluation, a better overall index for water quality in Taiwan and its application in Keya River are proposed. The thirteen variables are employed for the quality assessment.
Liou, Shiow-Mey   +2 more
openaire   +2 more sources

Water Quality Assessment in Terms of Water Quality Index

open access: yesAmerican Journal of Water Resources, 2020
Water quality index (WQI) is valuable and unique rating to depict the overall water quality status in a single term that is helpful for the selection of appropriate treatment technique to meet the concerned issues. However, WQI depicts the composite influence of different water quality parameters and communicates water quality information to the public
Shweta Tyagi   +3 more
openaire   +1 more source

Integral Index of Water Quality: A New Methodological Proposal for Surface Waters [PDF]

open access: yes, 2023
A methodology is proposed aimed at defining an integral index of water quality in surface waters that incorporates the information for five variables currently used to independently measure the condition of water in the Cupatítzio River, Michoac ...
José Teodoro Silva-García   +9 more
core   +1 more source

Machine Learning Algorithms for Predicting the Water Quality Index [PDF]

open access: yes, 2023
Groundwater is one of the water resources used to preserve natural water sources for drinking, irrigation, and several other purposes, especially in industrial applications.
Faisal Khaled Aldawood   +5 more
core   +1 more source

Implementing the CCME Water Quality Index for the Evaluation of the Physicochemical Quality of Greek Rivers [PDF]

open access: yes, 2022
Water quality indices (WQIs) are efficient tools, globally used for the determination of the quality status of water bodies. In Greece, for almost a decade, the physicochemical quality of water in rivers has been determined by a rigorous, biologically ...
Nikolaos Theodor Skoulikidis   +5 more
core   +1 more source

Surface water quality profiling using the water quality index, pollution index and statistical methods: A critical review

open access: yesEnvironmental and Sustainability Indicators, 2023
Surface water is heavily exposed to contamination as this is the ubiquitous source for most of the water needs. This situation is exaggerated by the excessive population, heavy industrialization, rapid urbanization, and improper sanitation. Comprehensive
M M Mahbubul Syeed   +5 more
doaj   +1 more source

Adapted Water Quality Indices: Limitations and Potential for Water Quality Monitoring in Africa [PDF]

open access: yes, 2023
A Water Quality Index (WQI) is a tool that describes the overall water quality by combining complex and technical water quality information into a single meaningful unitless numerical value.
Kennedy Ochieng Ouma   +4 more
core   +1 more source

Water quality assessment of mardi river by using water quality index

open access: yesBibechana, 2013
The aimed study assesses the water quality of Mardi River applying National Sanitation Foundation (NSF) America developed index called Water Quality Index (WQI).
Shailendra Kumar Shah
doaj   +3 more sources

Multivariate statistical evaluation of dissolved trace elements and water quality assessment in the Karaca dam, Turkey

open access: yesEQA, 2021
This study was performed from January 2017 to December 2017 with taking samples every month from four stations to determine the water quality of Karaca Dam, located in Sinop.
Banu Kutlu, Ekrem Mutlu
doaj   +1 more source

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