نتایج جستجو برای: outset landslide points recognized using air photography and extensive field studies. then distribution of landslide map was makes. then each effective element on landslide occurred for example slope

تعداد نتایج: 25761232  

Journal: :مرتع و آبخیزداری 0
حمید رضا مرادی دانشکده منابع طبیعی دانشگاه تربیت مدرس، دکتری جغرافیای طبیعی مریم دشتی مرویلی دانشگاه تربیت مدرس علیرضا ایلدرمی دانشگاه ملایر

abstract aim of this research is landslide hazard zoning in syahdare watershed using logistic regression. therefore, outset landslide points recognized using air photography and extensive field studies. then distribution of landslide map was makes. then each effective element on landslide occurred for example slope, aspect, elevation, litho logy, land use, distance of road, distance of drainage...

ژورنال: علوم آب و خاک 2009
محمدی, مجید, مرادی, حمیدرضا, مهدویفر, محمدرضا, پورقاسمی, حمیدرضا,

One of our first activities in natural resources management and development programs is to acquire knowledge on Landslide Susceptible areas. The aim of this research is landslide hazard zonation in some part of Haraz watershed between Vana village and Emam zadeh Ali, using fuzzy membership functions and fuzzy operators. At first landslide points were recognized using arial photography and field...

محمدی, مجید, مرادی, حمیدرضا, مهدویفر, محمدرضا, پورقاسمی, حمیدرضا,

One of our first activities in natural resources management and development programs is to acquire knowledge on Landslide Susceptible areas. The aim of this research is landslide hazard zonation in some part of Haraz watershed between Vana village and Emam zadeh Ali, using fuzzy membership functions and fuzzy operators. At first landslide points were recognized using arial photography and field...

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The aim of this research was to generate a landslide hazard zoning map by using the multivariate linear regression method in the Kohsar Watershed, Northwest of Tehran. Initially, we used field surveys, local interview and review of studies outside and inside of Iran. Eleven effective factors were recognized on landslide. These factors included: slope degree, slope aspect, elevation, lithology, ...

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

vocabulary as a major component of language learning has been the object of numerous studies each of which has its own contribution to the field. finding the best way of learning the words deeply and extensively is the common objective of most of those studies. however, one effective way for achieving this goal is somehow neglected in the field. using a variety of activities such as games can r...

محمدی, مجید, پورقاسمی, حمیدرضا,

Landslide as a natural hazard is very dangerous especially in mountainous areas that result in loss of human life and property around the world. Iran is always exposed to landslide hazard especially in the north and west because of climatic and topographic conditions. The aim of this research is prioritization of landslide-conditioning factors and its landslide susceptibility mapping in the par...

پایان نامه :0 1375

the significance of the study of deixis was then mentioned. the purpose of the present study from the outset was to provide a comprehensive overview of all kinds of deixis in persian, describing and defining each in true while considering them structurally and semantically. chapter two consisted of two main parts. a review of the english studies in this respect, besides presenting persian liter...

Introduction Geomorphological hazards posed as a potentially harmful phenomenon that most important ones are mass movements and landslides. The occurrence of natural hazards (including landslide) has imposed the serious impact on countries’ economic development, especially the third world countries. One of the most important tasks of applied Geomorphology, is to check the position and ...

The Landslide is one of the natural hazards that causes a lot of mortal and financial losses in high-altitude and seismic mountainous areas annually. Considering the importance of roads as a pillar of sustainable forest management in this study, we have tried to estimate the sensitivity of landslide occurrence in 8 forestry series with using frequency ratio approach. Initially, the slip positio...

Journal: :پژوهش های جغرافیایی (منتشر نمی‏شود) 0
عطاا...? کلارستاقی استادیار دانشکده منابع طبیعی دانشگاه مازندران محمود حبیب نژاد دانشیار دانشکده منابع طبیعی دانشگاه مازندران حسن احمدی استاد دانشکده منابع طبیعی دانشگاه تهران

abstract recognition of effective factors on landslide occurrence and so high and low hazard region is one of the most important and necessary works for mitigation of landslide damages. in this study, from all of the effective factors on landslide occurrence, land use changes and road construction, into a parts of tadjan watershed with area about 708.08 square kilometers in south of sari, was s...

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