نتایج جستجو برای: landslide hazard zonation
تعداد نتایج: 72146 فیلتر نتایج به سال:
رانش زمین نقش مهمی در تکامل لندفرم ها داشته و نشان دهنده یک خطر جدی در بسیاری از مناطق کوهستانی ایران است. فن آوری های سنجش از دور ابزاری ارزشمند برای شناسایی، پایش و تهیه نقشه ثبت زمین لغزش ها و متعاقباً شالوده اساسی برای ارزیابی خطر و ریسک زمین لغزش می باشند. دید همه جانبه تصاویر سنجش از دوری رادار آن را به ابزاری قدرتمند برای تهیه نقشه های پراکنش و ارزیابی خطر و ریسک زمین لغزش ها در فواصل زما...
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...
Extended abstract 1- Introduction Landslide as a morphological risk factor is the result of the operation of natural and environmental factors that, like other morphological irregularities, causes damage to human facilities, infrastructure, and property. One of the most significant works of geomorphology is the identification of stable landforms and places with minimal potential for catas...
Reviewing the damage caused by landslide proves the need to examine the factors influencing the occurrence of this phenomenon and the prediction of its occurrence. Therefore, the purpose of this study was to improve the prediction of landslide occurrence in the Taleghan watershed using Shannon Entropy Theory. Among the factors influencing the occurrence of landslide, ten factors of elevation, s...
in western and southern watersheds of isfahan province, combinations of natural and human factors have caused numerous landslides related damages. one of the main strategies for restricting the damage caused by the landslide is to avoid these regions. for this purpose, it is necessary to prepare precise landslide hazard zonation map for such areas. for this purpose, by aerial photos, satellite ...
This paper presents rainfall-induced landslide thresholds and predicts landslide hazard in Kuala Lumpur metropolitan city and surrounding areas. Landslide events from 2000 to 2012 were collected. The long and short antecedent rainfall days were prepared for landslide and non-landslide days simultaneously. First, threshold analysis was conducted by using data obtained from rainfall stations loca...
Most landslide hazard assessment algorithms in common use are applied to small regions, where highresolution, in situ, observables are available. A preliminary global landslide hazard algorithm has been developed to estimate areas of potential landslide occurrence in near real-time by combining a calculation of landslide susceptibility with satellite derived rainfall estimates to forecast areas...
The paper addresses a landslide-prone area on Fruška Gora Mt. in NW Serbia. It proposes a model of relative landslide susceptibility based on fuzzy sets. Having a variety of spatial attributes (proven statistically significant) at disposal, as well as present landslide inventory map, we conducted systematic analysis through (i) assigning fuzzy memberships to attribute categories, and (ii) combi...
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