نتایج جستجو برای: they can be preferred for surface water resources management

تعداد نتایج: 12050133  

ژورنال: آبخیزداری ایران 2019
ALAMBEYGI, AMIR, Ebrahimiazarkharan, Fariba, FAHMI, HEDAAYAT, GHORBANI, MEHDI, MALEKIAN, ARASH, SALAGEGHE, ALI,

The lack of a comprehensive system for identifying the role and understanding of the structural relationships of local water users in the local stakeholder’s network is one of the most important challenges for the integrated management of water resources and the governance perspective. Thus, identifying and analyzing canyons, as the most important element of planning and implementing activities...

ژورنال: علوم آب و خاک 2019

Droughts are natural events and could lead to declining surface water quality of regional basin. Understanding the complex impacts of drought may help authorities to monitor changes in different regional basin and to make appropriate decision on development of a river basin management plan. In this study 20 years annual precipitation time series from 1994-2013 from 7 synoptic weather stations l...

Journal: :health in emergencies and disasters quarterly 0
mehrdad farrokhi department of health in disasters and emergencies, university of social welfare & rehabilitation sciences, tehran, iran. zahra abbasi dolatabadi department of critical care nursing, school of nursing and midwifery, tehran university of medical sciences, tehran, iran. shahrzad pakjouei department of health in disasters and emergencies, university of social welfare & rehabilitation sciences, tehran, iran. vahideh pouyesh department of nursing, faculty of nursing and midwifery, iranshahr university of medical sciences, sistan and baluchestan, iran.

background: environment and its ecosystems are affected by various natural and man-made disasters. the environmental management in disasters tries to protect ecosystems, sustain development, reduce disaster risk, and adapt to or decrease the impact of climate change. this study aimed to investigate the impact of disasters on the environment and methods of reducing these effects. materials and m...

Journal: :محیط زیست طبیعی 0
منا عزیزی جلیلیان دانش آموخته کارشناسی ارشد محیط زیست، دانشگاه تهران، ایران افشین دانه کار دانشیار دانشکده منابع طبیعی، دانشگاه تهران، ایران آرش جوانشیر استادیار دانشکده منابع طبیعی، دانشگاه تهران، ایران حسین شعبانعلی فمی دانشیار دانشکده اقتصاد و توسعه کشاورزی، دانشگاه تهران، ایران افشین علیزاده استادیار دانشکده منابع طبیعی، دانشگاه تهران، ایران حمید گشتاسب میگونی استادیار دانشگاه محیط زیست، ایران

the protection and use of recreational areas as a sustainable resource can be a very significant issues, especially when they are located within a protected areas. different management approaches such as limits of acceptable changes (lac) can be performed to provide the balance between the use and the protection of resources. lac method is one of the planning frameworks that are used in tourism...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی و پایه 1390

the present study aimed at investigating the relationship between iranian efl teachers’ classroom management orientations and their teaching styles. additionally, the difference between male and female teachers’ teaching styles and classroom management orientations and their relationship with experience and age were explored. three hundred efl teachers filled in attitudes and beliefs on classro...

Journal: :international journal of advanced biological and biomedical research 2013
pezhman alahbakhshian farsani mahmoud habibnejad roshan ghorban vahbzade karim solaimani

climatic parameters in time and space scales of change are for many reasons of changes and how they should be based on observations using a statistical method to be determined. analysis of the most widely used statistical methods that assess potential climate change on hydrological time series, such series of precipitation, temperature and flow rate used. this study of 11 synoptic,rain gage and...

There is a multifaceted approach of water resource in a watershed, which is accompanied by complexity and issues such as the interaction of natural and human systems. Achieving the consistent governance of water resources is one of the most important management approaches in the water sector, which requires a coherent structure of knowledge transfer and information on the organizations stakehol...

ژورنال: آبخیزداری ایران 2019

By understanding the temporal and spatial variations of water resources in a region, the better management and planning of water resources and water consumptions can be done. Time series modeling, if used correctly, will lead to acceptable results in this regard. For this purpose, the monthly runoff time series for 28 years was prepared at the hydrometric stations of Mehregerd region and the pr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1376

‏‎‏‎utopia has, for four centuries, accompanied that hope of progress and that striving for betterment. it now straggles against a widespread sense that this has been an illusion, or an impossible dream. the utopian idea can never entirely disappear, but utopia as a form of the social imagination has clearly weakened. if it cannot instill its vision in the public consciousness, the consequences...

Journal: :اکو هیدرولوژی 0
حسین یوسفی استادیار دانشکدۀ علوم و فنون نوین، دانشگاه تهران علی محمدی دانشجوی کارشناسی ارشد مهندسی اکوهیدرولوژی، دانشکدۀ علوم و فنون نوین، دانشگاه تهران یونس نوراللهی استادیار دانشکدۀ علوم و فنون نوین، دانشگاه تهران سید جواد ساداتی نژاد دانشیار دانشکدۀ علوم و فنون نوین، دانشگاه تهران

water quality in each area, indicates the impact of geology, climate and anthropogenic pollutants. monitoring of water quality in most cases result in complex data which shows the perfect act of water resources, so they need appropriate method for analyzing. in this study hydro-chemical evaluation of hiv basin which located in west of hashtgerd have been done. to measure the concentration of ma...

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