GEOGRAPHICAL JOURNAL OF CHASHMANDAZ-E-ZAGROS
Year:2010 | Volume:1 | Issue:2|Papers Count:10

Relief Land Uses Has Spatial Important Rather than Other Urban Services in Respect of Activities is Responsible to it. Spatial Distribution of Firefighting Stations Can be so Effective to Reduction in Urban Vulnerability Point of View of Satety Accessibility of Spatial-skeletal Structure and Social, Cultural and Economical Factors. First, Conceptual Model, Effective Criteria in Firefighting Stations Site Selection (Coverage Radius, Population and it Density, Proximity to Pathway Network (Accesses), Land use (Neighborhood Copatible and Incompatible) are Specified and Their Information are Provided. In GIS Environment, Spatial Distribution, Location and Function Radius of Firefighting Existent Stations are Analysed in Shiraz. Consequently, Regions that were out of Existant Stations Coverage Radius, Are Specified. Then by used Hierarchy Processing Model and it Compilation with GIS Ability for Regions that were out of Existent Stations Coverage Radius, the new Sites of Stations are proffered. The new Sites of Offered Stations and Existent Stations are Covered all of Shiraz with Attention to Site-selection Preference and Based on Standard of Firefighting Automobiles Receiving to Fire Sites (that is 3 Minutes in World and 5 Minutes in Iran). Result Reveal Existent Stations in Shiraz are not enough for Covering of all of This City. Then Appointment for Regions that were out of Existent Stations Coverage Radius, the new Sites of Stations are proffered.

Stability and instability of natural gradients are among the factors which play a determinative role in planning and placing the various kinds of usages. Studying the mass movements and the probability of occurrence of this phenomenon will be useful in the procedure of planning. Zoning the slope movements is among the methods for determining the critical regions for gradient stability. Statistical survey of gradient parameter shows that the potential for instability increases with the increase in the gradient of slope. The main goal of this paper is to determine the most important and effective factor in occurrence of land side in Ardal County, Chahar Mahal va Bakhtirari province. Therefore, according to studies in the field of the effective factors on occurrence of land slide, obtained results were using gradient maps, direction of gradient, lithology, usage of lands, distance with fault, and waterway network. Calculating the value of each factor using Analytical Hierarchy Process and pair comparison of said factors and also preparing the map of zoning the risk of land slid, according to the final value of each factor, we can conclude that the most important and effective factor in land slide in Ardal county is gradient factor, and also the second effective factor with direct effect on the amount of land slide in region is lithology.

Sustainability was perhaps the issue of the end. The objectives of sustainable development would be fulfilled at all levels of spatial organization the urban level has attracted much attention because of continuosly growing concentration of people and economic activities in urban centers, especially in the developing countries shiraz as a metropolitan is confronted with immeasurable is urban problems including environmental pollution, ecological degradation endangering earrying capacity, resource depletion , and incapable urban management and administrative system. Problems are well justified by the existence of UN sustainable ecologic. Conditions of this metropolitan. Existence of un sustainable ecologic. Conditions of this metropolitan. On this discourse study meantime argument management urban sustanibale development Shiraz can arrival to this result that which for stability shiraz under consideration politics bravely and foundation ringlety on change method life that inhabitant. With potential possibilities population and financial guidance currents economic regional, to promotion and change constructer assistant, searchers necessary direction urban shiraz sustainable development to available.

In this study, it has been tried to ivestigate Assessment of water erosion of Sarab Sefid Venaee bourojerd watershed with aid revised model of PSIAC by common a methods of erosion& sediment. First the and feature of water erosion were identified by considering geomorphic forms of region. Then, erosion and sediment of Sarb Sefid watershed was examined with revised model of PSIAC and was investigated by exploiting the sattelite snapshots, field works and sampling differet layers. By examining all nine factors of PSIAC, erosion and sediment of the water was estimated. The map of sensitivity to erosion and sedimentation of different geological component and stone units was obtained using the model idexes and it was showed that the entire watershed is in the medium class of sedimentation. An assessment all nine PSIAC factory &.weith mean of each factor indicated that the effect of lithology on the amount & method of erosion is less than other invairomental factors (medium erosion). & the topological factor was indentified. Also, after determining nine considered factors in PSIAC Model, it shows that the amount of sediment in Sarab Sefid Venaee is 342/2 m3/km2/year, and the specefic erosion amounts to1194 m3/km2/year. it is concluded that Goorpey component & marn unit kgu, mf has higher sedimentation index comparing to ohter components.

Hydrological and geomorphological characteristics of surface flow are important in arid regions. Flash flood and temporary channels are two important characteristics of these characteristics.Most population centers are located on pediments, alluvial fans, thick sediment formations and alluvial plains. Therefore, they are usually exposed to destructive floods from mountainous areas. Zavareh town is located near Ardestan city in Isfahan Province with the population of 7704 and located in Ardestan plain which is usually exposed to floods moving into Daghsorkh low land. The city is exposed to many flood events due to it climatic and geographical special location in arid and semi arid regions and the mountainous upland regions. In this study, and due to different flood ways crossing the city from 1316 Km2 basin, the basin was divided into 11 subbasins from which the peak flow is 300 m3/s and 20-year return period flood is 140 m3/s Thus, according to comprehensive urban management, it is necessary to study the system of water ways to drain upland flood away from the city. This was done considering the morphometery properties of the basin and safety programs such as building embankment and watershed management of upland basins for flood magnitude reduction.

Development of industry and heavy traffic in developed and some developing countries resulted pollution of resources such as soils, air and waters. Because of the pollution of environment, monitoring of soil, water and air pollution is of major importance. Biomonitoring of pollutants has been attracting attention of many investigators since early decided of 20th century and even earlier some plants and animals has been used as biomonitors in many parts of the world. We used acacia trees in other to monitor the intensity of soil and air pollution to some heavy metals (Fe, Zn, Pb, Cu, Mn and Cd) in the city of Karaj. Concentration of these heavy metals in soils, washed and unwashed leaves of Fraxinus , for four cites ( Azimieh highway Taleghani highway, Hashtgerd industrial zone and Nazarabad village) were collected in two stages ( Jun and September ) for chemical analysis. Chemical analysis of soil samples at depth of 0-10cm showed that concentration of most of these elements was lower than the maximum recommended levels. Concentration of measured heavy metals in washed leaves was lower than those of unwashed leaves of Fraxinus and different was significant. The stages of leaf sampling did not show any significant effect on the concentration of the measured heavy metals in leaf samples. There was no significant correlation between the concentrations of heavy metals in washed leaves is the concentration of these metals in soil samples. Results of this investigation showed that the industry and traffic were the main source of air heavy metal pollution in Karaj, and Fraxinus tree is a dependable biomonitor for air and soil pollution investigations.

Currently, the main goal of development planning is to achieve sustainable development. Achieving sustainable development depends on attention to the structure of economic, social, cultural and environmental life of the society. Tourism development affects the society's economic structure by creating new job opportunities in different parts of the economic activities and increases the wages and incomes of the people and brings welfare and prosperity for the society. Hormozgan province has a unique capabilities as well as Geo tourism and historical monuments and it is more important than Sistan-v-Baluchestan province. This study aims to promote Electronic tourism in the province of Hormozgan as a new and important strategy to develop the province and Fin city. The results show that by providing virtual tourism infrastructure and providing the Electronic tourism infrastructure in Fin city and other cities of Hormozgan province and by fair presentation pattern of sustainable tourism and providing equipment for cultural centers, and also by repairing the old buildings, research in the field of local hand crafts industries and doing researches about folkloric cultures and encourage to create youth organization in Fin city.

Explosion Improvement Burgess Population Country, not Attention to Urban Network and Dispress Centers and Urban Focus and Improvement Urban Become Cause un Connection at Country Structure in Village Intense Migration City and Improvement Burges at Recent Decade Economical Political and Society Changes at Hormozgan Province is one of the Important Urban Economical Political and Society Changes at Hormozgan Province is one of the Important Urban Network was Imbalance. Method this Written is Analyzing and Statical, Basic Rank-size Urban network Hormozgan for Year(1365-1385) has Afoul Imbalance, Three Statical Periods Imbalanced this City, Distance Between Bandar Abbas With Low Cities Such as Minab, Bandar Lenge and Rudan is Much Bandar Abbas more Small and Little Population not Could Aquire Desirable Population Statical at Per Three Periods, Bandar Abbas is Protect as Priority and Minab with Much Distance is Protected it Self Situation Investigation Show that Chang Polar and Urban Improvement is Effective way at Distribuation Population.

Crime occurrence is one of the most significant problems in Zanjan city which is considered as a challenging problem for police in this city and it threatens the safe life of citizens of this city. This paper aimed at geographical analyzing of crime in Zanjan city using Geographical Information Systems (GIS). Street assaults have been selected as the case study of this paper. This article is based on descriptive and analytic methods and the spatial patterns of crime in this city have been identified through some statistical methods including: Mean Center, Standard Deviation Ellipse, Nearest Neighborhood Index and Quartic Kernel Density. All the street assaults which are occurred in Zanjan city during a year have been collected in this article using police records. The results of this study show that according to Nearest Neighborhood Index (NNI), spatial distributions of street assaults in Zanjan city are significantly clustered which suggests the existence of hot spots and cool spots in the city area. The most appropriate method for visualizing crime data as a continuous surface is Quartic Kernel Density Estimation. Based on this method, the major street assault hot spots have been identified in Sadi Street, Amir Kabir Street and Hafte Tir terminal and also Central Business District (CBD) of this city.In order to improving security and reducing crime rate in the areas of concentrated crime, some suggestions which should be considered as a priority for people in charge of urban management, have been indicated in this article.