نتایج جستجو برای: designed forest road network according to multi

تعداد نتایج: 10942489  

ژورنال: سلامت کار ایران 2018

Background and aims: One of the most common accidents that annoy many people in the world every year is road traffic accidents. Today, the largest share of accidents related to traffic accidents. Iran is one of the countries with the highest incidence and mortality due to road accidents and traffic. Survey of these events can identify the main factors, prioritization and preventive programs for...

2006
Qiaoping Zhang Isabelle Couloigner

Automated road network extraction from remotely sensed imagery can be a promising approach to efficient road databases creation, refinement and updating. However, due to the extreme complexity of an urban scene, road extraction in urban areas is challenging. This paper presents a new integrated approach to extract urban road networks from high spatial-resolution multi-spectral imagery. The prop...

Journal: :جغرافیا و توسعه فضای شهری 0
محسن احدنژاد روشتی توحید احمدی راضیه تیموری

aid uses, including fire stations, according to critical activities that are responsible, in comparison to other city services, are more important. identify areas where are located outside of the fire stations covered services can help urban planners to site selection of this important land use. the purpose of this paper is detection the areas that are beyond the services coverage of the fire s...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان 1389

the present thesis is a study of postmodern historical novel with respect to the voice of women. according to postmodern historiography,the established institution of history is one of the other manifestations of patriarchys power which has silenced women. the study analyzes angela carters nights at the circus as a postmodern historical novel which makes its female characters transgress the pat...

Journal: :محیط زیست طبیعی 0
منصوره کارگر دانشکده منابع طبیعی دانشگاه علوم کشاورزی و منابع طبیعی ساری زینب جعفریان دانشیار دانشگاه علوم کشاورزی و منابع طبیعی ساری

natural fire inflicting irreparable damage to rangelands and forest areas is cause changes in landscape ecology. the purpose of this research is comparison of artificial neural network (ann) and line regression (lr) models to predict of forest and rangelands fires to this end, the data consist fire burned area and fire were used weather data over a period of 7 years (2006-2012(.the result indic...

2011
F Samadzadegan N Zarrinpanjeh T Schenk

This paper is dedicated to post disaster road network verification and routing using High Resolution Satellite Imagery (HRSI) and Ant Colony Optimization (ACO) algorithms. By determination of damage degree to each road element using satellite information, a modified ACO algorithm is designed and applied to find best routes with respect to each road’s length and damage degree. The mentioned algo...

Landslide is one of the destructive phenomena of natural resources and threatens the sustainability of forest roads. The purpose of this study is to determine the zoning of land risk for the stability of forest roads using the process of analyzing the hierarchy in the GIS. The final zoning map of landslide hazard based on the combination of different maps and main criteria of topography, vegeta...

1999
Eldon A. Gunn Evelyn W. Richards

—We have developed a tabu search method to optimize the stand level harvest decision over intermediate time frames (10-30 years) within the context of a longer term hierarchical plan. In this paper, we focus on the objective function for our model. We are interested in the trade off between two main issues, one the cost of building roads to access the resource and the other the loss of forest p...

Journal: :Sustainability 2021

Aiming at the multi-depot heterogeneous vehicle routing problem under time-dependent road network and soft time window, considering fixed cost, window penalty cost transportation an optimization model of is established with objective minimizing distribution cost. According to characteristics problem, a hybrid genetic algorithm variable neighborhood search temporal–spatial distance designed. Cus...

Mahesh Pal Pankaj Chandna Surinder Deswal

This study explores a semi-supervised classification approach using random forest as a base classifier to classify the low-back disorders (LBDs) risk associated with the industrial jobs. Semi-supervised classification approach uses unlabeled data together with the small number of labelled data to create a better classifier. The results obtained by the proposed approach are compared with those o...

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