نتایج جستجو برای: شاخص wqi

تعداد نتایج: 74972  

Journal: :Aquatic sciences and engineering 2021

In this research, spatial – temporal variations of water quality in the fluvial components Hasana?a Stream Basin were evaluated by using Water Quality Index. Surface samples taken from seven stations selected on basin winter seasons 2019 and 2020. Eleven variables including dissolved oxygen, oxygen saturation, pH, electrical conductivity, total solids, salinity, turbidity, nitrate, nitrite, pho...

Journal: :Sustainability 2023

Background: Contamination of groundwater could result in serious and irreparable health problems for consumers. This study assessed the water quality human implications metals packaged from Abeokuta Sagamu, southwestern Nigeria. Methods: One hundred forty bags were purchased analyzed physical chemical parameters using standard procedures, while determined inductively coupled plasma optical emis...

Journal: :Water Resources Management 2022

Urban river not only has the important function in urban hydrological environment, but also is an area for entertainment. Water quality assessment core technique water resource management. As typical river, samples were collected at 5 sampling points Xi’an moat from January 2018 to December 2020, and 10 physicochemical parameters analyzed. In this paper, a comprehensive index (WQI) designed bas...

Journal: :Water 2021

Taihu Lake is the third largest freshwater lake in China. Water ecosystems play an important role survival and development of human society. The evaluation water ecosystem services helpful to understand grasp changing rules Lake’s value recent years. First, we used Environment Qualities Index (WQI) evaluate ecological quality Lake; second, on basis survey data from 2010 2018, combined economic ...

Journal: :IOP conference series 2022

Abstract Selulu Reservoir is located in Waru District, North Panajam Paser Regency. It one of the tourist destinations supporting tourism sector. Land use changes and urbanization have potential impacts on environment. This study aimed to determine Water Quality Status Index (WQI) Reservoir. Hopefully, result will become basis for future reservoir management keep water quality well. The method ...

Journal: :E3S web of conferences 2021

The water quality of bodies in Huasteca Potosina was assessed by the National Sanitation Foundation Water Quality Index (NFS WQI) depending on nine parameters include physical, chemical, and biological properties. obtained at sampling site 50-90 NSF-WQI range shows medium quality. Results revealed that Moctezuma River Tanquian de Escobedo has low with a score 50, Tancuilin Axtla Rivers have goo...

Journal: :Water Science & Technology: Water Supply 2023

Abstract The Niger River, threatened by human activities, is the main drinking water source for population of Bamako city. This study assesses trend River pollution in using Water Quality Index (WQI). Fourteen parameters, namely Turbidity, Potential Hydrogen (pH), Electrical Conductivity, Dissolved Oxygen, Total Solids, Biochemical Oxygen Demand (BOD5), Chemical (COD), Nitrate, Nitrite, Ammoniu...

Journal: :Water Air and Soil Pollution 2021

The Mirim Lagoon is one of the most important freshwater lagoons in Brazilian territory, connecting Patos through São Gonçalo Channel. With diversification uses rivers, watersheds, and lakes, sustainable management these ecosystems are extremely relevant. For this reason, monitoring environments great importance. In view above, water quality index (WQI), trophic state (TSI), statistical methods...

Journal: :International Journal of Health Sciences (IJHS) 2022

Groundwater is germane to human existence. The study assessed the physicochemical attributes of groundwater for domestic and irrigation applications. This was conducted by collecting subjecting thirty (30) samples analysis. Thirteen parameters such as pH, electrical conductivity, total dissolved solids, hardness, magnesium, calcium, sodium, iron, fluoride, chloride, sulphate, nitrate, phosphate...

Journal: :International Journal Of Science, Technology & Management 2021

This study aims was to identify impact of economic development factors the environment quality by using Kuznet's Curve Hyphotesis and non linear regression. The determinants studied are indicators such as Gross Domestic Regional Income (GDRI) industrial sector, mining agricultural/plantation /forestry/fishery/livestock sectors, poverty, unemployment human index (HDI). While environmental used W...

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