نتایج جستجو برای: irrigation and drainage network development

تعداد نتایج: 17121347  

Journal: :اقتصاد و توسعه کشاورزی 0
حیاتی حیاتی ابراهیمی ابراهیمی رضایی مقدم رضایی مقدم

abstract investigating economic advantages of people participation in irrigation and drainage network development in fourth area of band-e-amir region was the objective of this study. that area is 3950 hectares. case study was the research method. those farmers who participated and benefited of the project and experts and executors of the project were statistical society of this study. findings...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
افسانه ملک حسینی کارشناس ارشد توسعه روستایی علی اصغر میرک زاده استادیار دانشگاه رازی کرمانشاه

the main purpose of this study was to investigate of economic impacts of soleimanshah dam on rural development in regions that are under influence of irrigation and drainage network of dam. in this research quantitative-qualitative research method was used and information gathered with questionnaire, interview, and direct observation. statistical population of research in qualitative part consi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1390

introruction khawf in(iran)-herat and mazaresharif and shirkhan bandar in (afghanistan)-dushanbe in (tajikistan)_(kirgizstan)-kashghar in(china) project railway network is under construction that it is as a significant corridor for revitalizing silk road corridor in the region .at the present there are three different gauge in the region central asia with 1,520 mm gauge and turkey-islamic repu...

Aliasghar Montazar Mahmoud Mashaal Mina Sadat Seyedjavad

Measuring sensitivity of hydraulic structures is considered as an approach for evaluation of water projects performance, due to lower distribution efficiency in Irrigation and Drainage project schemes. Sensitivity analysis approach for irrigation structures is one of flow analysis methods which are developed in recent years in order to measure the behavior of flow in hydraulic structures in an ...

Journal: :journal of hydraulic structures 2014
mina sadat seyedjavad mahmoud mashaal aliasghar montazar

measuring sensitivity of hydraulic structures is considered as an approach for evaluation of water projects performance, due to lower distribution efficiency in irrigation and drainage project schemes. sensitivity analysis approach for irrigation structures is one of flow analysis methods which are developed in recent years in order to measure the behavior of flow in hydraulic structures in an ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده علوم 1388

اطلاعات و پارامترهای موجود در شبکه های آبیاری و زهکشی بواسطه وجود جنبه های مختلف فنی ، مدیریتی ، اجتماعی و اقتصادی از گستردگی بسیار زیادی برخوردار بوده و مدیران با حجم وسیعی از اطلاعات مواجه می باشند. از آنجا که قسمت عمده ای از تصمیمات اتخاذ شده توسط مدیران و برنامه ریزان به نوعی به مکان و موقعیتی خاص مربوط می باشد و در واقع ماهیتی مکان مرجع دارد ، لذا وجود اطلاعات جغرافیائی دقیق و مطمئن و به...

Environmental impacts assessment may be some measures to offset the impact to an acceptable level or explore new solutions. The research was conducted with the aim of assessing the socio-economic, cultural, physical and ecological impacts of Kavar irrigation and drainage network in Fars Province (Iran). In this study, Environmental impacts assessment was undertaken by ICOLD matrix. The ICOLD ma...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...

Journal: :مدیریت آب و آبیاری 0
میناسادات سیدجواد کارشناس ارشد مهندسی آبیاری و زهکشی، گروه مهندسی آبیاری و زهکشی، پردیس ابوریحان، دانشگاه تهران، پاکدشت، ایران محمود مشعل دانشیار گروه مهندسی آبیاری و زهکشی، مهندسی آبیاری و زهکشی، پردیس ابوریحان، دانشگاه تهران، پاکدشت، ایران

according to the low efficiency of irrigation and drainage networks and water distribution in iran, simulating water flow and sensitivity structures and networks is considered as a new approach to evaluate the performance hydroelectric projects in the country. in this study, because of reduced water supply and distribution, especially in downstream irrigation and drainage networks varamin to ev...

ژورنال: علوم آب و خاک 2019

Integrated simulation of water resources systems is an efficient tool to evaluate and adopt various options in macro-policies and decision-making procedures that are in line with the sustainable development of drainage basins. One of the drainage basin management policies is to enhance the efficiency of agricultural land use. Considering the complicated function of the drainage basin elements a...

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