Results 21 to 30 of about 324,072 (204)

بررسی ساز و کارهای موثر بر مدیریت بحران خشکسالی از دیدگاه کارشناسان وزارت جهاد کشاورزی استان البرز [PDF]

open access: yesمهندسی منابع آب, 2022
مقدمه:  خشکسالی تأثیرات مخربی بر محیط زیست دارد. خشکسالی در ایران به تمام نقاط کشور سرایت کرده است. هدف از این مطالعه بررسی مکانیسم های موثر مدیریت بحران خشکسالی از دیدگاه کارشناسان وزارت جهادکشاورزی استان البرز بود.
آزیتا زند   +2 more
doaj   +1 more source

بررسی نیروهای هیدرودینامیکی کف حوضچه‎های آرامش با پله معکوس و بستر زبر [PDF]

open access: yesمهندسی منابع آب, 2022
مقدمه: در بسیاری از سازه‎های هیدرولیکی نیاز است تا انرژی جریان مستهلک گردد تا باعث فرسایش و یا تخریب سازه نگردد. در عمل روش های مختلفی جهت این امر وجود دارد که از جمله آنها پرش هیدرولیکی است.
روزبه ریاضی   +2 more
doaj   +1 more source

اثر مدیریت مصرف آب در پایین‌دست بر روی بهره‌برداری بهینه از مخازن سدها (مطالعه موردی: سد جره) [PDF]

open access: yesمهندسی منابع آب, 2021
مقدمه: مدیریت مصرف آب و بهره­برداری بهینه از مخازن، از چالش­های مهم توسعه پایدار در مناطق خشک و نیمه­خشک جهان می­باشند. همواره افزایش بهره­وری آب مصرفی به عنوان یک راهکار سازگاری با شرایط خشکسالی و افزایش تقاضا به دلیل رشد روزافزون جمعیت شناخته می­شود ...
مجید موسوی   +1 more
doaj   +1 more source

A Comparative Analysis of Life style of the Local People before and after the Construction of the Dams in the Sub Zone of Mendefera: A Case Study of Adi-Mengoti and Mai-Aron Dams

open access: yesRevija za Geografijo, 2014
Eritrea is one of the Sahelian countries in the Horn of Africa facing acute shortage of water. In areas where rainfall is low and unreliable, the construction of dams is utmost important for irrigation, domestic and livestock uses.
Mohammad Afsar Alam, Masihulla Khan
doaj   +1 more source

A study on measuring the 222Rn in the Buriganga River and tap water of the megacity Dhaka

open access: yesPLoS ONE, 2023
Radon (222Rn), an inert gas, is considered a silent killer due to its carcinogenic characteristics. Dhaka city is situated on the banks of the Buriganga River, which is regarded as the lifeline of Dhaka city because it serves as a significant source of ...
Meraj Alam   +8 more
semanticscholar   +1 more source

Studies of Ground water quality assessment at industrial belt of Kashipur, Uttarakhand, India

open access: yesEnvironment Conservation Journal, 2012
Pollution of ground water is one of the areas of major concern to environmentalists. Water quality is an index of health and well being of a society.
R. K. Sharma   +3 more
doaj   +1 more source

A Review on the Amount of the Household Night Water Consumption per Capita in Different Countries [PDF]

open access: yesعلوم و مهندسی آب و فاضلاب, 2021
Minimum Night Flow (MNF) analysis in District Metered Areas (DMAs) is the most important method for monitoring and estimating the leakage volume in Water Distribution Networks (WDNs).
Javad Norouzi   +2 more
doaj   +1 more source

Design of Water Supply Pipe Networks in NIT Srinagar using EPANET Software

open access: yes, 2020
Water is one of the most vital natural resources for all life on Earth. The availability and quality of water always have played an important part in determining not only where people can live, but also their quality of life. Even though there always has
Sandeep Thakur   +3 more
semanticscholar   +1 more source

Water Scarcity in the Zambezi Basin in the Long-Term Future: A Risk Assessment [PDF]

open access: yes, 2003
The aim of this paper is to explore possible futures for the Zambezi basin and to estimate the risks of different water management strategies. Existing uncertainties are translated into alternative assumptions.
Hoekstra, Arjen Y.
core   +2 more sources

Distinctive features of water resource use in the Danube-Black Sea hydrographical space (Republic of Moldova sector) [PDF]

open access: yesPresent Environment and Sustainable Development
The Danube-Black Sea hydrographic space, spanning 6,500 km² or 19.2% of Moldova, includes the river basins of Ialpug, Cogâlnic, Sarata, and Hadjider. This region faces considerable challenges due to its limited water resources and its primarily agrarian ...
Daniela BURDUJA, Petru BACAL
doaj   +1 more source

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