نتایج جستجو برای: water quality index wqi total hardnessth

تعداد نتایج: 2233404  

The concentrations of toxic effluents released into freshwater aquatic environments are increasing day by day and affect the aquatic biota. The present study outlined the evaluation of physicochemical parameters such as water temperature, pH, dissolved oxygen (DO), biological oxygen demand (BOD), chemical oxygen demand (COD), phosphates (PO42--P), nitrates (NO3--N), electrical conductivity (EC)...

Journal: : 2022

Geographic Information System (GIS) technique was used in this study to produce a Water Quality Index (WQI) map assess the water of Habbaniya Lake for drinking purposes. Sixteen samples fresh surface were collected and analyzed verify physiochemical parameters WQI. These include Total Dissolved Solids, pH, Calcium, Magnesium, Sodium, Potassium, Chloride, Sulfate, Nitrates. The result these has ...

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...

ژورنال: علوم آب و خاک 2017

Water quality assessment is important in late years coincide white decreas quantity it. The Zayande-Rood's Dam Lake is one of the important water resources that supplies drinking water for human populations in Isfahan, This lake also supplies water resources for agricultural sections of these provinces. Five points were determined as the sampling stations. Samplings were performed from May, 201...

2007
S. S. Asadi Padmaja Vuppala M. Anji Reddy

Groundwater quality in Hyderabad has special significance and needs great attention of all concerned since it is the major alternate source of domestic, industrial and drinking water supply. The present study monitors the ground water quality, relates it to the land use / land cover and maps such quality using Remote sensing and GIS techniques for a part of Hyderabad metropolis. Thematic maps f...

Journal: :Water 2023

Excessive population growth and high water demands have significantly increased extractions from deep semi-deep wells in the arid regions of Iran. This has negatively affected quality different areas. The Water Quality Index (WQI) is a suitable tool to assess such impacts. study used WQI fuzzy hierarchical analysis process index (FAHP-WQI) investigate status 96 agricultural Yazd-Ardakan Plain, ...

Journal: :Periodicals of Engineering and Natural Sciences (PEN) 2022

The primary task that is facing most developing countries the untreated disposal of wastewater into water bodies. In order to meet needs future generations, integrated resources should be managed within a sustainable method. This study illustrates assessment and judgment suitability Tigris River for drinking purposes using quality index (WQI) selection mostly significant WQ parameters affect de...

Ebrahimi, E., Esmaeili Ofogh , A., Fathi, P., Mirghafarry, M.,

The Choghakhor International Wetland plays an important role in preserving and protection of part of the plant and animal species in the Iranian plateau. Since the water of this wetland is utilized for different human purposes, complete periodic chemical and physical quality assessment of its water seems necessary. Water quality index (WQI) was calculated using the following eleven parameters: ...

Journal: :Marine pollution bulletin 2008
M Leopoldina Aguirre-Macedo Victor M Vidal-Martinez Jorge A Herrera-Silveira David S Valdés-Lozano Miguel Herrera-Rodríguez Miguel A Olvera-Novoa

The discharge of nutrients, phytoplankton and pathogenic bacteria through ballast water may threaten the Cayo Arcas reef system. To assess this threat, the quality of ballast water and presence of coral reef pathogenic bacteria in 30 oil tankers loaded at the PEMEX Cayo Arcas crude oil terminal were determined. The water transported in the ships originated from coastal, oceanic or riverine regi...

Journal: :Knowledge-based engineering and sciences 2021

This study is used the water quality index (WQI), which generated by combining several parameters. gives a helpful representation of overall for public and all intended applications, it demonstrates that pollution beneficial in management decision-making. The Euphrates River was assessed order to determine drinking water. using WQI, includes ten physicochemical criteria. achieved submitting com...

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