Results 61 to 70 of about 627 (148)

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

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

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

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  

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  

Assessing the Effects of Climate Change on the Intensity and Magnitude of Floods in Future Periods [PDF]

open access: yes, 2021
The purpose of this study was to investigate the trend of hydro-climatic variables, detect the occurrence of climate change and subscale the climatic variables during future periods and evaluate the intensity and magnitude of future floods.
Ali Salajegheh   +4 more
core   +1 more source

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  

منهج الإمام ابن الجوزي في كتابه: الكشف لمشكل الصحيحين

open access: yesDialogia, 2014
Abstract Salah satu cabang ulum hadis yang tidak boleh dilewatkan begitu saja oleh pengkaji hadis adalah ilmu musykil hadis. Di kalangan ulama klasik, ada beberapa ulama yang mendedikasikan dirinya menggeluti salah satu cabang ulum hadis tersebut.Salah satu di antara mereka adalah Imam Ibnu al-Jauzi dengan karyanya yang berjudul ”˜Al-Kasyf li Musykil ...
openaire   +1 more source

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