Results 61 to 70 of about 1,958 (189)

Evaluation and Variability of Flood-Oriented Health of Shiraz Darwazeh Quran Watershed from Watershed Management Structures [PDF]

open access: yes, 2022
IntroductionCurrently, many disasters threaten the health of ecosystems. The pressures caused by extensive human interventions and the unprincipled exploitation of natural resources have led to the degradation of natural resources and the structure and ...
Faezeh Khorshid Sokhangoy   +8 more
core   +1 more source

مدل‌سازی بارش- رواناب به منظور مدیریت ریسک سیلاب (مطالعۀ موردی: منطقۀ هراز [PDF]

open access: yes, 2016
مقدمه: امروزه با توجه به تغییرات آب و هوایی، مخاطرات اقلیمی از مهم­ترین تهدید­ها و چالش­ها برای بشر محسوب می­شوند که در این بین، سیلاب، یکی از مرسوم­ترین مخاطرات است. در کشور ایران با توجه به موقعیت جغرافیایی و شرایط اقلیمی، این مخاطره هرساله خسارات جانی
احمدی, حمزه   +1 more
core  

Evaluation of the MPSIAC Model for Estimating Sediment in Zeribar Watershed [PDF]

open access: yes, 2021
One of the problems of watershed erosion control is the lack of sediment data to accurately estimate erosion and sediment yield. Sediment estimation using empirical models is common due to its ease of use, which has somewhat remedied the lack of ...
Ata Amini, Hossein Khaledian
core   +1 more source

اللهجات العربية غير لهجة قريش في سورة البقرة (دراسة تحليلية لغوية)

open access: yesAL IBRAH: Journal of Arabic Language Education, 2022
    تجريد البحث          هذ البحث يتناول اللهجات العربية غير لهجة قريش في سورة البقرة ( دراسة تحليلية لغوية). والمشكلة الرئيسة في هذا البحث هي ما اللهجات العربية غير لهجة قريش في سورة البقرة. ومنا
openaire   +1 more source

Source identification and ecological risk assessment of polycyclic aromatic hydrocarbons in surface sediments (Case study: Pars special economic energy zone) [PDF]

open access: yes, 2018
Background and purpose: Polycyclic aromatic hydrocarbons (PAH) compounds are amongst the most hazardous environmental pollutants due to some features such as chemical stability, low degradation, bioaccumulation, and high toxicity for living organisms ...
Arbabi, Mohsen.   +5 more
core  

The Wastewater Management of Zarand Thermal Power Plant: Assessment of the Wastewater Treatment Methods, Cost Analysis, and Suggesting the Best Method [PDF]

open access: yes, 2016
Background: Industry has a major role in the pollution of water supplies as well as the highest potential for reducing the consumption and implementing water and wastewater management plans. The aim of this study was to identify the best treatment method
Ahmadi, Arash   +4 more
core  

The Effect of Modifying the Existing Green Spaces Compared to Other Methods of Urban Flood Management in Reducing the Volume of Runoff (Case Study: Chahar-Cheshme River Basin, Mashhad) [PDF]

open access: yes
Flood is one of the natural events that in recent decades, due to the expansion of urbanization and land use changes, causes many financial and human losses in different regions of the world, annually.
Abolfazl Mosaedi   +3 more
core   +1 more source

Assessment of Base Flow Separation Methods at Karaj Dam Watershed [PDF]

open access: yes, 2018
Assessing existing water resources along with different routes of the river in a watershed is essential for its optimum use, conservation, and predicting flood and minimum flow. In addition, identification of runoff production processes is also important
Adel Soltani, Milad Soltani
core   +1 more source

برآورد ضریب نگهداشت و شماره منحنی در حوضه های رودخانه ای [PDF]

open access: yesاطلاعات جغرافیایی, 1999
کاربرد شماره منحنی "CN" در محاسبه مقدار ضریب نگهداشت است. این شاخص­ ها برای تخمین زمان تأخیر و زمان تمرکز حوضه و همچنین ارتفاع رواناب به روش SCS ضروری است. از آنجا که روش­های معمول و سنتی برای انجام مطالعات مقدماتی، وقت گیر و هزینه ­بر می­باشد.
فاطمه ترکارانی   +1 more
doaj  

تطبيق الاستحسان في تربية إمامة الصلاة (الدراسة الحالة في معهد دار السلام كونتور فونوروكو، جاوى الشرقية)

open access: yesIjtihad, 2023
إمامة الصلاة من شيء شريف. كما أن صلاة الجماعة أفضل من صلاة الفرد، يقوم الإمام في الصلاة بكل واجبة وروح المسؤولية. للإمامة شروط ما وجب استيفاءه إما من صحة القراءة، وحفظ القرآن، وفهمه في الدين.
Achmad Arif   +2 more
openaire   +1 more source

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