نتایج جستجو برای: water management

تعداد نتایج: 1365048  

Journal: :Journal of environmental management 2009
J Medellín-Azuara L G Mendoza-Espinosa J R Lund J J Harou R E Howitt

This paper uses simple hydro-economic optimization to investigate a wide range of regional water system management options for northern Baja California, Mexico. Hydro-economic optimization models, even with parsimonious model formulations, enable investigation of promising water management portfolios for supplying water to agricultural, environmental and urban users. CALVIN, a generalized hydro...

Mohammad Kavoosi Kalashami Morteza Tahami Pour

Economic valuation of water is useful in the administration and management of water. Population growth and urbanization caused municipal water demand increase in Iran. Limited water resource supply and urban water network capacity raised complexity in water resources management. Present condition suggests using economic value of water as a criterion for allocating policies and feasibility study...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
امید شریفی دانشجوی دکتری دانشگاه تهران و مربی دانشگاه جیرفت روح اله رضایی استادیار دانشکده کشاورزی دانشگاه زنجان سعید غلامرضایی استادیار دانشکده کشاورزی دانشگاه لرستان ناصر برومند استادیار دانشگاه جیرفت

the main objective followed in this research was to study some of the factors influencing water users' participation in management of the irrigation and drainage networks on the lands under jiroft dam. the kind of research method of the study was a descriptive- correlational one. the statistical population of the study consisted of all the water users of irrigation and drainage networks ac...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
جواد حسین زاد دانشیار گروه اقتصاد کشاورزی دانشکدۀ کشاورزی دانشگاه تبریز فاطمه کاظمیه دانشجوی دکتری ترویج و آموزش کشاورزی، دانشگاه تربیت مدرس

water is one of the most valuable natural resources in human societies which is demanded by different parts of the society, and as one of the main inputs of production in agriculture has a special role in the agricultural sustainable development. nowadays, the consumption of water is more than the supply, and its highest consumption is in agriculture. this study scrutinized the role of manageme...

2015
Lu Hao Ge Sun Yongqiang Liu Hong Qian

Water resource management is becoming increasingly challenging in northern China because of the rapid increase in water demand and decline in water supply due to climate change. We provide a case study demonstrating the importance of integrated watershed management in sustaining water resources in Chifeng City, northern China. We examine the consequences of various climate change scenarios and ...

2009
Judith Janssen

Concrete Decontextualized Contextualized Example for water management: Safety Example for water management: Water level

Journal: :اکو هیدرولوژی 0
ناصر محمدی ورزنه کارشناس ارشد سنجش از دور و سیستم اطلاعات جغرافیایی علیرضا وفایی نژاد استادیار، دانشکدة مهندسی آب و محیط زیست، پردیس فنی مهندسی (شهید عباسپور) دانشگاه شهید بهشتی

limitation of water resources in the earth has turned it as a valuable economic commodity. accordingly, the agricultural sector of which according to studies has the largest wasted water should be managed. therefore, it is advisable to use the application of methods and programming models such as the decision support system along with the abilities of gis in order to management of the water res...

ژورنال: سلامت و محیط زیست 2019

Background and Objective: Rural wastewater management is recognized as one of the pillars of sustainable development. Therefore, the purpose of this study was to assess needs and prioritization of establishment of rural wastewater management facilities in order to supply a safe and alternative water source in the provinces of Iran experiencing severe water stress. Materials and Methods: This i...

Journal: :آب و توسعه پایدار 0

water resources are of vital human resources and of the three main elements of ecosystem. almost half of the agricultural products of the world are being produced in irrigation schemes. in today's world, the population is considerably increasing and consequently severe shortage of food threatens about two-third of the world's population. moreover, water resources are facing more serious crisis ...

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