Results 11 to 20 of about 324 (155)

Assessing the Water Quality of Seikan River using NSFWQI and BCWQI Indicators [PDF]

open access: yesمحیط زیست و مهندسی آب, 2018
In this research, five sampling stations were selected on the Seikan River in order to investigate the water quality of the river and sampling was carried out during autumn and winter 2015.
Ali Lotfi   +2 more
doaj   +3 more sources

Water quality assessment of Kalan Malayer Dam Lake using NSFWQI index and its zoning using GIS [PDF]

open access: yesعلوم محیطی, 2021
Introduction: In recent years, changes in the amount, distribution, and quality of surface water around the world have led to special attention to these resources.
Hajar Merrikhpour   +2 more
doaj   +3 more sources

NSFWQI بررسى كيفيت آب رودخانه گُل گُل ايلام بر اساس شاخص كيفى آب [PDF]

open access: yesبهداشت در عرصه, 2014
زمينه و هدف: ايجاد يك برنامه كنترلى منظم و پايش كيفيت آب رودخانه ها از مهمترين راهكارها به منظور كاهش آلودگى و ارتقاى وضعيت كيفى آنها مي باشد. با توجه به اهميت رودخانه گُل گُل بعنوان يكى از اصلى ترين منابع تامين كننده آب سد ايلام و همچنين تخليه آلاينده ...
Anooshirvan Mohsenibandpey   +2 more
doaj   +4 more sources

ارزیابی وضعیت سلامت رودخانه زیارت در استان گلستان بر اساس شاخص کیفی NSFWQI [PDF]

open access: yesمجله بهره‌برداری و پرورش آبزیان, 2015
رودخانه‌ها و جریانات از مهمترین منابع آب‌های سطحی هستند. کیفیت آب این منابع به عوامل مختلفی از جمله عوامل هیدرولوژیکی، فیزیکوشیمیایی و بیولوژیکی وابسته است. این منابع از لحاظ توسعه اجتماعی، اقتصادی و سیاسی بسیار حائز اهمیت هستند.
نیلوفر نوروزی   +6 more
doaj   +2 more sources

Integrated Spatiotemporal Assessment of Shallow Well Water Quality Using PCA-NSFWQI in Tunduma Town, Tanzania

open access: yesABUAD Journal of Engineering Research and Development
Understanding the seasonal controls and contamination pathways affecting shallow groundwater in rapidly urbanising environments remains a major scientific and public-health challenge in East Africa. This study applied an integrated multivariate approach
Matungwa William   +2 more
doaj   +4 more sources

Water Quality Assessment of Garmarood River Using the National Sanitation Foundation Water Quality Index (NSFWQI), River Pollution Index (RPI) and Weighted Arithmetic Water Quality Index (WAWQI) [PDF]

open access: yesمحیط زیست و مهندسی آب, 2020
Rivers are recognized as the most important water supply resources in various sectors, including agriculture water, drinking water, and industrial water.
Reza Kkhalili   +2 more
doaj   +3 more sources

River water quality management using a fuzzy optimization model and the NSFWQI Index [PDF]

open access: yesWater SA, 2021
In this study, a novel multiple-pollutant waste load allocation (WLA) model for a river system is presented based on the National Sanitation Foundation Water Quality Index (NSFWQI). This study aims to determine the value of the quality index as the objective function integrated into the fuzzy set theory so that it could decrease the uncertainties ...
Ghorbani, Mohammad Kazem   +2 more
openaire   +5 more sources

Evaluating the Concentration of Bisphenol A and Nonylphenol and Water Quality in Caspian Sea Rivers Estuarine in Mazandaran Province by Using WQI Index [PDF]

open access: yesآب و فاضلاب, 2022
Monitoring the quality of rivers entering the Caspian Sea can play a key role in planning to preserve and manage the health of aquatic organisms. Mazandaran province has several rivers flowing into the Caspian Sea.
Sahel Pakzad Toochaei, Ali Kazemi
doaj   +3 more sources

Water Quality Assessment of Ghezelozan River in Zanjan Province Using NSFWQI, IRWQI and Liou [PDF]

open access: yesMuhandisī-i Bihdāsht-i Muḥīṭ, 2019
Background: Unsustainable development of agriculture and aquaculture has reduced the water quality of rivers. The most important aim of this study is assessing of water quality in the Ghezel Özan basin in Zanjan province. Method: 18 sites were selected based on standard criteria including land use, geology, biodiversity points, accessibility and ...
Naser Kianimehr, Jaber Aazami
exaly   +3 more sources

The effect of trout farm effluents on the water quality parameters of Zaringol Stream (Golestan, Iran) based on NSFWQI and WQI indexes [PDF]

open access: yesEnvironmental Resources Research, 2014
The aim of this study was to assess the potential impact of Trout farm effluents on water quality of Zaringol stream based on NSFWQI and WQI indexes.
Zohreh Mazaheri Kohanestani   +3 more
doaj   +2 more sources

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