نتایج جستجو برای: Keywords: Water Optimal Allocation

تعداد نتایج: 2778393  

پایان نامه :0 1391

uncertainty in the financial market will be driven by underlying brownian motions, while the assets are assumed to be general stochastic processes adapted to the filtration of the brownian motions. the goal of this study is to calculate the accumulated wealth in order to optimize the expected terminal value using a suitable utility function. this thesis introduced the lim-wong’s benchmark fun...

Journal: :اقتصاد و توسعه کشاورزی 0
فاطمه برادران سیرجانی محمدرضا کهنسال محمود صبوحی

optimal allocation of water resources is an essential service in agriculture that must be considered by farmers. one of the most significant factors in optimal allocation of water resources in agriculture is to define optimal farm cropping pattern. in this study, in order to determine optimal cropping pattern and water resources allocation in central district of mashhad city (toos village), the...

Journal: :ecopersia 0
mohammad reza dahmardeh ghaleno ph.d. candidate, department of watershed management, gorgan university of agricultural sciences and natural resources, gorgan, iran amir sadoddin associate professor, department of watershed management, gorgan university of agricultural sciences and natural resources, gorgan, iran vahedberdi sheikh associate professor, department of watershed management, gorgan university of agricultural sciences and natural resources, gorgan, iran mahmood sabouhi sabouni professor, department of agricultural economics, ferdowsi university of mashhad, iran

the optimal allocation of the chahnimeh water resources among different sectors, viz. domestic, agricultural and environmental consumptions, was determined using the goal programming method in gams, based on the present condition in the area. results showed an increase of 15.4, 44.5 and 230% in allocation of water to domestic, agriculture and environment sectors, respectively, in this method as...

Journal: :ژورنال بین المللی پژوهش عملیاتی 0
e. kalbali m. sabouhi sabouni s. ziaee

water is an essential yet constrained commodity for human communities and ecological systems depend on it. with population growth and economic development, water resource is increasingly declining. over the past two decades, because of changes in population and climate, and relative welfare increase, the per capita consumption of water has increased. thus, optimal use of available water resourc...

Journal: :iran agricultural research 2016
z. rabie1 t. honar m. mehdi bateni

abstract- inadequate water supply is the major problem for agriculture in arid and semi-arid regions. thus, effective management should be considered for water resources planning. in this research, a model was provided which is able to estimate optimal land and water allocation in the doroodzan irrigation network. optimal water management model was used at farm level to evaluate different defic...

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...

2013
A. B. Dariane H. A. Thomas S. A. Marglin

Scarcity of water resources and huge costs of establishing new hydraulic installations necessitate optimal exploitation from existing reservoirs. Sustainable management and efficient exploitation from existing finite water resources are important factors in water resource management, particularly in the periods of water insufficiency and in dry regions, and on account of competitive allocations...

Journal: Iranian Economic Review 2020

recipitation shortage and the consequent loss of several water resources, as well as the population growth, are the most important problems in arid and semi-arid regions like Iran. The providence of basic tools for optimal water resources management is considered as one of the main solutions to this problem. Since the agricultural sector is the main user of water resources, the present study pr...

E. Kalbali, M. Sabouhi Sabouni, S. Ziaee,

Water is an essential yet constrained commodity for human communities and ecological systems depend on it. With population growth and economic development, water resource is increasingly declining. Over the past two decades, because of changes in population and climate, and relative welfare increase, the per capita consumption of water has increased. Thus, optimal use of available water resourc...

Journal: :international journal of agricultural management and development 2013
gholamreza zamanian mehdi jafari shahram saeedian

the scarcity of water resources and supply resources limitation, have caused an increasing gap between water supply and demand specially in recent decades in almost all regions of the globe. one of the best known solutions proposed by the economists is using the different water pricing approaches thereby obtaining the optimal allocation and social justice. to this purpose, this paper uses the p...

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