نتایج جستجو برای: water quality management

تعداد نتایج: 1991066  

خاندوزی, فهیمه, دادبان شهامت, یوسف, زمانی, عباسعلی, پری زنگنه, عبدالحسین,

Background and Purpose: Investigation of water quality is an important step for the suitable use of water resources in order to drinking and irrigation. Water quality affects agriculture programming.  Hence the need of the study of water quality is strongly considered in the water resources management. Material and Methods: In this study Hydro-geochemical quality of ground water resou...

Journal: :اکو هیدرولوژی 0
یاسمن جعفری اول دانشجوی کارشناسی ارشد مهندسی عمران، دانشگاه شاهد تهران ناصر عبادتی استادیار گروه زمین شنا سی دانشگاه آزاد اسلامی واحد اسلام شهر حسین یوسفی استادیار دانشکدۀ علوم و فنون نوین دانشگاه تهران بهرنگ کلانتری دانشجوی دکتری برنامه ریزی شهری دانشگاه شهید بهشتی تهران محمد میرزایی دانشجوی کارشناسی ارشد جغرافیا و برنامه ریزی شهری، دانشگاه علوم و تحقیقات تهران

today, many of the subterranean and the threat of environmental pollution have been exposed tehran's why environmental studies and water quality monitoring subterranean as urban planning and management is an important issue. the purpose is of this research, monitoring water quality across the east tehran subterranean of environmental indicators. the research method to collect data primaril...

Journal: :Environmental toxicology and chemistry 2016
Bryan W Brooks James M Lazorchak Meredith D A Howard Mari-Vaughn V Johnson Steve L Morton Dawn A K Perkins Euan D Reavie Geoffrey I Scott Stephanie A Smith Jeffery A Steevens

In this Focus article, the authors ask a seemingly simple question: Are harmful algal blooms (HABs) becoming the greatest inland water quality threat to public health and aquatic ecosystems? When HAB events require restrictions on fisheries, recreation, and drinking water uses of inland water bodies significant economic consequences result. Unfortunately, the magnitude, frequency, and duration ...

Journal: :international archives of health sciences 0
miranzadeh m.b. hoseinidoost gh.r environment health engineering department, health faculty, kashan university of medical sciences, kashan, iran marzaleh m.a.

aims: bottled water is widely used in many countries and more than 100 different brands of bottled water are produced in iran. the aim of the present research was to assess the chemical compound of some iranian brands of bottled water and compare them with the mention information on their labels.     instrument & methods: this descriptive study was performed during march to december 2012 on the...

Fariba Abbasi, Mahrokh Jalili, Marzieh Sadat Hosseini, Mehdi Sarlak, Mohammad Hassan Ehrampoush, Reza Ali Fallahzadeh,

Introduction: Due to water scarcity and increased water consumption during the past years, the importance of water in terms of transmission of diseases, as well as Iran's climate, groundwater aquifers are known as the most important resources of drinking water supply. Using the Water Quality Index (WQI) is considered as strong managerial tool for decision making in water resource management. Th...

Aazami, Jaber, Abdolahi, Zahra, Jafari, Naser, KianiMehr, Naser, Zamani, Abasali, Zarein, Mohammad,

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 standard distributions. Content of Dissolved Oxyg...

Journal: :اکو هیدرولوژی 0
حامد روحانی استادیار گروه مرتع و آبخیزداری، دانشگاه گنبد کاووس الناز زکی دانشجوی کارشناسی ارشد مرتعداری، دانشگاه تربیت مدرس، نور مجتبی کاشانی مربی گروه آمار، دانشگاه گنبد کاووس ابولحسن فتح آبادی استادیار گروه مرتع و آبخیزداری، دانشگاه گنبد کاووس

information on water quality and pollution sources is important for the implementation of sustainable water resource management strategies. in this research, to evaluate spatial variation and the interpretation of large complex water quality data taken at seven different sites along the gorganrood river were subjected to multivariate statistical analysis. the factor analysis generated two signi...

Journal: :تحقیقات نظام سلامت 0
مهدی حاجیان نژاد دانشیار، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. احمدرضا رهسپار کارشناس ارشد محیط زیست، شبکه بهداشت داراب، استان فارس، ایران.

background: rivers and streams are important sources of surface waters. water quality of these resources depends on many factors including hydrologic, physicochemical and biological factors. these resources are important in terms of social, economic and political development.. zayanderood river is the only river in central basin of iran that has permanent fresh water. this river has an importan...

2013
R. Seshadri

Water is a key resource in all economic activities ranging from agriculture to industry. Only a tiny fraction of the planet’s abundant water is available to us as fresh water. Assessment of water quality has always been paramount in the field of environmental quality management. It is the foundation for health, hygiene, progress and prosperity.With ever increasing pressure of human population, ...

Journal: :iranian chemical communication 2014
moayed avazpour sabah shiri fariba seifipour heshmatollah nourmoradi

abstract: water quality of dam storage is highly affected by upstream environment and basin. regarding other conducted studies, there exist various reasons such as some studies and general monitoring of dams which cause some main problems including salinity, chemical and microbial pollution eutrophication, and sedimentation. chame-gardalan storage dam in ilam province is one of the storages whi...

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