نتایج جستجو برای: firstly we develop a rainfall

تعداد نتایج: 13737584  

Journal: :international journal of environmental research 0
a. kavian department of rangeland & watershed management engineering, sari agricultural sciences and natural resources university, sari, iran y. fathollah nejad department of rangeland & watershed management engineering, sari agricultural sciences and natural resources university, sari, iran m. habibnejad department of rangeland & watershed management engineering, sari agricultural sciences and natural resources university, sari, iran k. soleimani department of rangeland & watershed management engineering, sari agricultural sciences and natural resources university, sari, iran

there is a need to analyze and map rainfall erosivity to assess soil erosion at the regional scale. the objectives of this study were to develop a regional model to estimate seasonal erosivity from seasonal rainfall data and to study temporal and spatial distribution of rainfall erosivity for the gorganrood drainage basin in the northeast of iran. six gauging stations with a high temporal resol...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1388

this dissertation has six chapter and tree appendices. chapter 1 introduces the thesis proposal including description of problem, key questions, hypothesis, backgrounds and review of literature, research objectives, methodology and theoretical concepts (key terms) taken the literature and facilitate an understanding of national security, national interest and turkish- israeli relations concepts...

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: :The Journal of infectious diseases 2012
Luis Fernando Chaves Akiko Satake Masahiro Hashizume Noboru Minakawa

BACKGROUND Patterns of concerted fluctuation in populations-synchrony-can reveal impacts of climatic variability on disease dynamics. We examined whether malaria transmission has been synchronous in an area with a common rainfall regime and sensitive to the Indian Ocean Dipole (IOD), a global climatic phenomenon affecting weather patterns in East Africa. METHODS We studied malaria synchrony i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1387

boron nitride semiconducting zigzag swcnt, $b_{cb}$$n_{cn}$$c_{1-cb-cn}$, as a potential candidate for making nanoelectronic devices was examined. in contrast to the previous dft calculations, wherein just one boron and nitrogen doping configuration have been considered, here for the average over all possible configurations, density of states (dos) was calculated in terms of boron and nitrogen ...

Journal: :توسعه کارآفرینی 0
محمود صارمی استادیار گروه مدیریت صنعتی دانشگاه تهران محمدکاظم علیزاده ثانی دانشجوی کارشناسی ارشد کارآفرینی دانشگاه تهران

why, when and how are some people more capable of recognizing opportunities while others lack such ability? this is a key question to pose in the field of entrepreneurship and opportunity recognition. the answer to this question can open up a new window before researchers. the aim of this research is to examine the factors that are effective in determining opportunities among entrepreneurs. to ...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده فنی 1393

a problem of computer vision applications is to detect regions of interest under dif- ferent imaging conditions. the state-of-the-art maximally stable extremal regions (mser) detects affine covariant regions by applying all possible thresholds on the input image, and through three main steps including: 1) making a component tree of extremal regions’ evolution (enumeration), 2) obtaining region ...

پایان نامه :0 1375

to explore the idea the investingation proposed, aimed at finding whether the performances of the population of iranians students studying english in an efl context are consistent in l1 and l2 writing taks and whether there is a cross-linguistic transfer in this respect. in this regard the subjects were instructed to write four compositions-two in english and two in farsi-which consisted of an ...

Journal: :Remote Sensing 2016
Cheila Avalon Cullen Rafea Al-Suhili Reza Khanbilvardi

Rainfall-induced shallow landslides are one of the most frequent hazards on slanted terrains. Intense storms with high-intensity and long-duration rainfall have high potential to trigger rapidly moving soil masses due to changes in pore water pressure and seepage forces. Nevertheless, regardless of the intensity and/or duration of the rainfall, shallow landslides are influenced by antecedent so...

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