Results 51 to 60 of about 483 (163)

Evaluation of Karst Spring Water Quality Using Water Quality Indices in Northeast Tennessee [PDF]

open access: yes, 2022
Ensuring access to safe drinking water to protect public health in many communities underserved or unserved by centralized water systems in the US requires regular water quality testing and reporting. Following testing, access to easy-to-comprehend water
Fashina, Lukman, Luffman, Ingrid E
core   +1 more source

Assessment and Spatial Distribution of Mineral Groundwater Quality in Ardabil Province, Iran [PDF]

open access: yes, 2018
Background: The present study was conducted to determine the quality of mineral ground waters and analyze their spatial distribution in Ardabil Province of Iran.Methods: This descriptive analytical study was carried out on natural mineral water wells in ...
Azizi 1, Nasrin   +4 more
core   +4 more sources

ارزیابی مقایسه‌ای وضعیت رودخانه کارون براساس شاخص‌های کیفیت آب و آلودگی (مطالعه موردی: شهرستان باوی) [PDF]

open access: yesعلوم و مهندسی آبیاری
رودخانه‌ها از مهم‌ترین منابع آب هستند که نقش مهمی در تأمین آب مورد نیاز فعالیت‌های مختلف مانند کشاورزی، صنعت و شرب دارند. بنابراین تعیین رژیم جریان و کیفیت آب رودخانه یک عامل مهم تعیین‌کننده سلامت رودخانه اسـت.
کبری حمیدی   +2 more
doaj   +1 more source

ارزیابی کیفیت آب رودخانه هراز با کاربرد شاخص‌های کیفی IRWQI، NSFWQI و CCMEWQI و بهینه‌سازی به‌روش سطح پاسخ (RSM) [PDF]

open access: yesمدیریت آب و آبیاری
رودخانه‌ها به‌عنوان یکی از منابع اصلی تأمین آب، نقش حیاتی در تأمین نیازهای زیست‌محیطی، کشاورزی و انسانی دارند. بررسی کیفیت آب این منابع با هدف مدیریت پایدار و کاهش مخاطرات زیست‌محیطی، امری ضروری است.
یاسمن تاج ابادی   +2 more
doaj   +1 more source

پایش تغییرات مکانی و زمانی کیفیت آب رودخانه هراز: مطالعه تطبیقی شاخص IRWQIsc و NSFWQI

open access: yesپژوهش‌های حفاظت آب و خاک, 2023
سابقه و هدف : رودخانه هراز، به‌عنوان یکی از رودخانه‌های مهم ترین در شمال ایران می‌باشد که بستر حیات بسیاری از موجودات آبزی و منبع تأمین آب بسیاری از فعالیت‌های تجاری و صنعتی پویا در حاشیه‌ی خود هست . در این مطالعه به کمک شاخص‌های کیفیت آب سطحی ایران (IR-WQIsc) و شاخص کیفیت بنیاد ملی بهداشت (NSF-WQI) به ارزیابی کیفی آب رودخانه هراز پرداخته شد .مواد و ...
openaire   +2 more sources

WATER QUALITY ASSESSMENT OF KARST SPRINGWATER AS A PRIVATE WATER SUPPLY SOURCE IN NORTHEAST TENNESSEE [PDF]

open access: yes, 2021
Karst springs are an essential source of private water supply in northeast Tennessee for various end-users. There are no regulatory standards for private (drinking) water quality in the state, unlike the public water system, while water users are only ...
Fashina, Lukman
core   +1 more source

Seasonal Variation in Groundwater Quality of Yavatmal District, India

open access: yesJournal of Chemistry, Volume 8, Issue 2, Page 870-874, 2011., 2011
Seventy samples of groundwater were collected from different parts of Yavatmal District, India and analyzed. The results of this analysis were compared with the WHO water quality standards. The groundwater quality in this district showed slightly seasonal variation while the data computed in Water Quality Index (WQI) calculator. The WQI was varied from
P. N. Rajankar   +2 more
wiley   +1 more source

Investigation of Qualitative Condition of Nekarud River and Tajan River by NSFWQI Index [PDF]

open access: yes, 2015
Rivers are exposed to large amounts of impurities. The first step for keeping river water quality and purification of polluted parts is obtaining information on the qualitative changes of river water in dimensions of time and place and also ...
Dadashpour, M.   +4 more
core   +3 more sources

Water Quality Zonation of Beshar River in Yasuj City [PDF]

open access: yes, 2023
This study was conducted to monitor the current water quality of Beshar River by the Iranian Surface Water Quality Index (IRWQIsc). Monitoring of the river water quality was done based on sampling 12 stations along the river in October of 2021 as the ...
Mohammad Nemati Varnosfaderani   +2 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

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