نتایج جستجو برای: ccme water quality index

تعداد نتایج: 1596075  

ملکوتیان, محمد , مومنی, جمشید ,

    Background and Objectives: Access to safe and adequate drinking water has been an important national goal in different countries. On the other hand, the possibility of microbial contamination and lack of control water quality chemicals is of concern to health authorities in societies. The purpose of this research was to determine the microbial and chemical quality of drinking water in bards...

Abdolrahim Yusefzadeh, Ameneh Yusefzadeh, Edris Hoseinzadeh, Ghodratola Khorramabadi Shams, Hatam Godini, Mohammad Khoshgoftar,

Background & Aims of the Study: The use of qualitative indicators is one of the ways of water quality of river water. The purpose of this study is Khorramrood River of Khorramabad of water quality using water quality index (NSFWQI) and GIS that is a Geographic Information System . Materials & Methods: In this cross-sectional study, qualitative parameters needed to calculate NSFW...

ژورنال: بوم شناسی آبزیان 2016
Ebrahimi, Eisa , Esmaeili, Alireza , Fathi, Pejman , Mirghafari, Norolah ,

In order to investigation of water quality of the Choghakhor wetland by use of WQI, ten stations were selected. Sampling was done every 45 days since April 2010 until March 2011 with 3 replications at each station. Water Quality Index (WQI) was calculated using nine water quality parameters (Nitrate, Nitrite, Alkalinity, Hardness, Turbidity, Conductivity, Dissolved Oxygen, pH and Biochemical Ox...

Journal: :International Journal of Environmental Science and Technology 2012

Journal: :Environmental monitoring and assessment 2016
Xiaoliang Ji Randy A Dahlgren Minghua Zhang

In the context of water resource management and pollution control, the characterization of water quality impairments and identification of dominant pollutants are of critical importance. In this study, water quality impairment was assessed on the basis of 7 hydrochemical variables that were monitored bimonthly at 17 sites in 2010 along the rural-suburban-urban portion of the Wen-Rui Tang River ...

Journal: :International Journal for Research in Applied Science and Engineering Technology 2017

Journal: :iranian journal of environmental sciences 0
luu pham vietnam academy of science and technology (vast), institute of tropical biology, 85 tran quoc toan street, district 3, ho chi minh city, vietnam

the present study aims to have a comparative study of the results, from biological monitoring as well as conventional method, based on physico-chemical variables. water quality index (wqi) and planktonic diatom metrics have been used to determine water quality and ecological conditions of the dong nai river (dnr) and canonical correspondence analysis (cca) to find out the main environmental var...

Journal: :Journal of environmental biology 2008
B Padmanabha S L Belagali

Ostracods are small crustaceans found in aquatic habitats and the present paper deals with the role of water quality index on their population diversity and seasonal fluctuations in the four lakes of Mysore city The present investigation was carried out from July 2004 to June 2005. The study revealed highest water quality index and population density of ostracods during summer and least during ...

Environmental flow requirements, to maintain the functioning of freshwater-dependent ecosystems and restore rivers in ecologically acceptable conditions, depend upon the present water quality status of the river. Various stretches of Vishwamitri River vary in quality and quantity. Water quality index is a tool to converse information regarding water quality of various stretches of river and can...

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