نتایج جستجو برای: seven parameters topography

تعداد نتایج: 773739  

Journal: :computational methods in civil engineering 2011
g.h. akbari m. rahimi-shahrbabaki

existence of heavy minerals in waters in some regions causes serious environmental pollution and affects the soil and water resources quality. soil and waters sensitive to pollutants were investigated in this research, based on the degree of sensitivity of their parameters. the samples obtained from industrial and agricultural areas for identifying water tables at higher risk and display region...

Journal: :اکو هیدرولوژی 0
سیدمحمد موسوی دانشجوی کارشناسی ارشد، سنجش از دور و سیستم اطلاعات جغرافیایی دانشگاه تبریز خلیل غلام نیا دانشجوی کارشناسی ارشد، سنجش از دور و سیستم اطلاعات جغرافیایی دانشگاه تبریز محمدرضا ممشلی دانشجوی کارشناسی ارشد، سنجش از دور و سیستماطلاعات جغرافیایی دانشگاه تبریز شهرام روستایی استاد گروه سنجش از دور و سیستم اطلاعات جغرافیایی دانشگاه تبریز

one of the serious problems of iran’s watersheds is soil erosion and can be considered as one of the main obstacles to achieve sustainable agricultural development and natural resources. in most countries of the world, because of absence of accurate data for the sediment erosion, deposition utilizing models to estimate erosion is inevitable. in order to apply effective management in natural res...

Journal: :Computational Methods in Science and Technology 2010

Journal: :اکو هیدرولوژی 0
مریم قره خانی دانشجوی کارشناسی ارشد هیدروژئولوژی، دانشکدۀ علوم طبیعی، دانشگاه تبریز عطا الله ندیری استادیار گروه علوم زمین، دانشکدۀ علوم طبیعی، دانشگاه تبریز اصغر اصغری مقدم استاد گروه علوم زمین، دانشکدۀ علوم طبیعی، دانشگاه تبریز فریبا صادقی اقدم دانشجوی دکتری هیدروژئولوژی، دانشکدۀ علوم طبیعی، دانشگاه تبریز

with respect to population growth and agricultural development in ardabil plain, vulnerability assessment of the plain aquifer is necessary for management of groundwater resources and the prevention of groundwater contamination. in this study, vulnerability of ardabil plain aquifer to pollution was evaluated by drastic method. drastic model was prepared by seven effective parameters on vulnerab...

2012
Erez Bakshi Yaniv Barkana Yakov Goldich Isaac Avni David Zadok

Purpose: To assess the effect of corneal cross-linking on progressive keratoconus in children. Method: In this retrospective study we enrolled nine eyes of nine consecutive children aged 11 to 17 years old who underwent corneal riboflavin-UVA induced cross-linking for progressive keratoconus at the Department of Ophthalmology at Assaf Harofeh Medical Center. They were followed for 6 to 24 month...

Journal: :The Science of the total environment 2005
Insaf S Babiker Mohamed A A Mohamed Tetsuya Hiyama Kikuo Kato

Vulnerability assessment to delineate areas that are more susceptible to contamination from anthropogenic sources has become an important element for sensible resource management and land use planning. This contribution aims at estimating aquifer vulnerability by applying the DRASTIC model as well as utilizing sensitivity analyses to evaluate the relative importance of the model parameters for ...

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