نتایج جستجو برای: water user associations (wuas) are the main strategy in water resources management

تعداد نتایج: 21493759  

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
میلاد تقی پور کارشناس ارشد ترویج و آموزش کشاورزی، دانشگاه تربیت مدرس عنایت عباسی استادیار ترویج و آموزش کشاورزی، دانشگاه تربیت مدرس محمد چیذری استاد ترویج و آموزش کشاورزی، دانشگاه تربیت مدرس

water user associations (wuas) are the main strategy in water resources management, and transferring of irrigation management to these associations is paying attention in different countries. the current study aimed to identify and analyze membership consequences in wuas. the research was descriptive and survey method was used. the population of this study consisted of all farmers in irrigation...

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

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت معلم تهران - دانشکده علوم 1370

determination of uranium in natural water and complex solutions using ion exchange chromatography: a combined procedure using ion exchange chromatography and uv-vis spectrophotometry techniques has been developed to measure uranum in natural water and complex solutions. after conditicing , one hundred milli liters of sample solutions have been passed through an ion exchange column,pachked with ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1392

gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...

Journal: :کشاورزی (منتشر نمی شود) 0
زهرا زارعی دستگردی مربی، دانشگاه پیام نور مرکز گلپایگان، اصفهان هوشنگ ایروانی دانشیار، دانشکده اقتصاد و توسعه کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران حسین شعبانعلی فمی دانشیار، دانشکده اقتصاد و توسعه کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران آرزو مختاری حصاری مربی، دانشگاه پیام نور مرکز اهر، آذربایجان شرقی

a number of 1810 members of the water user associations (wuas) of jarghouyeh district consisted the statistical population of the study, out of which 150 farmers were selected as sample using proportionate stratified random sampling technique. a questionnaire was developed for gathering the data and information. content validity and cronbach alpha proved both the validity and reliability of the...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - پژوهشکده مهندسی فرایند 1395

abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...

2008
Iskandar Abdullaev

This paper examines the recent emerging informal Water Users Groups (WUGs) on the Ferghana Valley for managing of the water at the former collective farm level and potential for strengthening of the weak Water Users Associations (WUAs) through replication of WUGs formation. Due to the collapse of the Soviet Union, Central Asian states have introduced reforms in different sectors including the w...

Journal: :پژوهش آب در کشاورزی 0
پوریا عطائی دانشجوی دکتری ترویج کشاورزی دانشگاه تربیت مدرس. نسیم ایزدی دانشجوی دکتری ترویج و آموزش کشاورزی دانشگاه بوعلی سینا.

irrigation management transfer to farmers is one of the important and necessary issues for irrigation planners globally. irrigation management transfer or participatory irrigation management by water users’ associations (wua) is a widespread strategy in the world and a good way to remove the country's irrigation and drainage systems problems. the main objective of this research was respons...

2009
Jorge Jara

Approximately 85% of the water consumed in Chile is destined to agricultural irrigation and is managed by the users themselves. This study analyzed the price that irrigation water users pay to their Water User Associations (WUAs) to which they belong and the relationship of this price to the professional level and performance of the WUAs. The study included 24 WUAs: 10 River Administration Boar...

Journal: :اقتصاد و توسعه کشاورزی 0
نیلوفر تاهباز صالحی مجید کوپاهی محمدرضا نظری

water user associations (wuas) are one of the water market development models and a way to transfer the irrigation management from government sector to water users which have been increasingly taken into account over the recent years. in iran accordingly, a number of wuas has been developed in downstream dam irrigation and drainage networks on pilot scale. the major goal of wuas is to improve w...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید