نتایج جستجو برای: ghareh

تعداد نتایج: 26  

Journal: :محیط زیست طبیعی 0
بهناز راحلی دانش آموخته کارشناسی ارشد، گروه محیط زیست، دانشگاه تربیت مدرس نور، ایران عبدالرسول سلمان ماهینی دانشیار، گروه محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، ایران حمیدرضا مرادی استادیار، گروه آبخیزداری، دانشگاه تربیت مدرس نور، ایران

the aim of this study is to investigate underground water quality parameters in gorganrud river basin and their connection with aboveground conditions using gis and artificial neural networks. in order to prepare a land use map of the area, liss iii image of irs satellite of the year 2008 was used in a maximum likelihood classification. the results revealed that there was a significant correlat...

ثانی خانی, هادی, صادقی, مرتضی, گوهردوست, محمدرضا,

Climate change has a critical impact on water resources, especially in arid regions. In the first part of the study, the LARS-WG was used for downscaling of climatic variables including rainfall, solar radiation, minimum and maximum temperature over the Ghareh-Chay basin in Markazi province for a 31 year historical period (1983-2013). Results showed that LARS-WG can be applied successfully to d...

Journal: :مرتع و آبخیزداری 0
فاضل امیری استادیار دانشکده مهندسی گروه منابع طبیعی، دانشگاه آزاد اسلامی واحد بوشهر، ایران. حسین ارزانی استاد دانشکده منابع طبیعی، دانشگاه تهران، ایران ابراهیم گویلی فارغ التحصیل کارشناسی ارشد دانشکده منابع طبیعی، دانشگاه صنعتی اصفهان، ایران.

existence of pollen and nectar plants in vegetation composition of natural environment is essential for apiculture as one of the utilization types in multiple uses of environmental resources. therefore, development of this strategy based on indigenous knowledge will increase stakeholder income, which can decrease stocking rate based on range grazing capacity. due to high dependence of bee to pl...

Journal: :اکو هیدرولوژی 0
محمد رحمتی کارشناس ارشد مهندسی آبخیزداری، دانشکدة منابع طبیعی، دانشگاه تربیت مدرس، نور حمید رضا مرادی دانشیار دانشکدة منابع طبیعی، دانشگاه تربیت مدرس، نور حاجی کریمی دانشیار، دانشکدة کشاورزی، دانشگاه ایلام خلیل جلیلی دانشجوی دکتری مهندسی آبخیزداری، دانشکدة منابع طبیعی، دانشگاه تربیت مدرس، نور

abstract one of the importance groundwater resources in kermanshah province is karstic aquifer. this study aimed to investigate the role of development of karstic aquifer in karst springs hydrological properties have been conducted. the studies areas are two karst aquifers include the bistoon-parau and patagh mountain in kermanshah province. in the bistoon-parau region we used of bistoon, berke...

Journal: :iranian journal of earth science 0
keyvan karami department of mining engineering, south tehran branch, islamic azad university, tehran, iran peyman afzal department of mining engineering, south tehran branch, islamic azad university, tehran, iran

the aim of this study was to identify various sulfidic mineralized zones in the ghare-tappeh cu deposit (nw iran) based on geo-electrical data including induced polarization (ip) and resistivity (rs) using the concentration-volume (c-v) and number-size (n-s) fractal models. the fractal models were used to separate high and moderate sulfidic zones from low sulfidic zones and barren wall rocks. b...

اسمعلی عوری, اباذر, اکبری, حسین, رستمیان, رخساره, ناصرآبادی, فواد,

     Simulation of stream flow, prediction of the hydrological behavior of watersheds and understanding of various components of the hydrological cycle is important in order to plan for protection of water resources. On the other hand, lack of proper estimation of runoff in the watersheds, may cause serious problems in the optimum management of water resources and particularly the utilization o...

روانخواه, علیرضا , امینی, صدرالدین , مؤید, محسن ,

Acidic and basic volcanic and intrusive rocks of Harzandat-Divan Daghy as individual masses, are located in North and Northwest of Marand (Harzandat) and South of Jolfa (Ghareh Gose-Divan Daghy) trending NW-SE.These rocks are located under Permian progressive deposits, which are covered by an igneous sole unconformity. Lithological composition of the acidic volcanic rocks ranges from dacite, rh...

اسماعیلی, روح اله, خوجه, نصیر, قدوسی, جمال,

According to the importance of loss areas, which have embarrassed a wide region of Golestan province and its important role in formation of the sediment of Gorgan river, more accurate recognition of types of loss erosion seems essential in order to providing necessary function for erosion and sediment problems in them, specially gully erosion. So, in this study we are going to providing regress...

خوجه, نصیر,

     Complication of initiation process, expansion of gully erosion and unfamiliarity of the function of soil physicochemical characteristics, effective in this type of erosion, is one of the most important challenges to achieve functional approaches in order to prevent it. According to the importance of loss areas in Golestan Province which is embarrassed a wide area and has an important role ...

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