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Calculation of Ecological Conformity Urban of Development in Gorgan
2015
Hajizadeh, Fatemeh | Mirkarimi, Seyed Hamed | Salman Mahiny, AbdolRasoul | Mohammadzadeh, Marjan
Today, with the rapid growth of urban population and as a result, rapid and unbridled urbanization of human societies have been caused some issues. In Gorgan, an increase in level of urban settlements is done regardless to the capabilities and limitations of land and ecological potential of urban development. In this study, it is performed to evaluate and conform to urban development, regard to ecological capability to protect the environmental ability of Grogan. In this case, the multi-criteria assessment approach with weighted linear combination of the GIS is performed to evaluate the ecological capability of Gorgan for conformity to urban development in different years based on the criteria. Then, there is a comparison between final map of capability and current development; moreover, the rate of conformity in different years is calculated. It is illustrated that the ecological conformity had been decrease gradually from 1987 to 2013, which causes hazardous effects on the environment that seems to be still remain for years. Therefore, reduction of the ecological noncompliance should be considered by relevant authorities. The outputs could be used for urban planners to observe the environmental principles to promote existing conditions.
Show more [+] Less [-]Urban Environmental Quality Assessment by Using Composite Index Model Case Study (Tehran Metropolitan Area)
2015
Robati, Maryam
Quantifying the performance of national policies and programs in different economic, social, and environmental fields has always been a major concern of planners, politicians and researchers worldwide. According to UN statistics, more than 60% of the world population will live in urban areas by the year 2030Despite occupying only 2% of the total land area on Earth, more than half the world's population is living in cities. In this study, a systems approach was adopted to develop a composite index in order to assess the potential of a city to become sustainable. The index is composed of 10 components containing a total number of 19 indicators. According to which, the 22 districts of Tehran City were compared in terms of sustainability of urban environment quality. The obtained results indicated that the Districts 1, 2 and 3 are in ideal sustainability conditions. These areas are among prosperous places of the city. About 59.09% of all districts were below the average. The Districts 18 and 19 with the values of 0.21 and 0.25 remain in critical condition.
Show more [+] Less [-]Analysis of Spatial Matrix of Regional Development gGap in Markazi Province
2015
faraji mollaie, amin | Aliverdiloo, Hadi
Today, unequal regional development is concerned of many developing countries, such as Iran. Centralization, inequality in the distribution of population, activity and natural and human resources and inequality between the regions are including factors and obstacles to regional development in the country. Study the undeveloped cities and areas to set priorities for planning and eliminate the regional development gap is the first step in the process of decision-making for deprivation deprived areas. The regional comprehensive develop approach need economic, social and environmental factors base on human and environment conditions according to each region. The aim of this study is to identify undeveloped county and analysis to investigate the causes of inequalities (gap) in the Makazi counties, according to 14 indicators of economic, social, health and cultural. The research is based on objective, practical resaerch and method of paper is descriptive-analytical. Collecting method for data (1390) is a library (documentary method). In this study for analysis and ranking of counties is used multi-criteria decision method. Based on the results of the models HURWITZ, Maxi max, Maxi min, ELECTRE and show it on a map in GIS; Arak and Saveh are developed, Sazand, Delijan and Khomain are developing and Tafresh, Mhalat, Zarandiyeh, Ashtian and Komijan are developed counties. In general, in the Markazi province formed two separate regions. One is in the southern part of the province (Markazi) and the other in the northern part of the province of Arak (Saveh).
Show more [+] Less [-]Geopolitical Analysis of the Demographic Changes Necessary and Spatial Planning Policy Making in the Field of Geographical Distribution in Iran
2014
Pishgahi Fard, Zahra | Yazdan Panah, Kyomars | Rezvani, Mohammad Reza | Rashidi, Mostafa
Iran needs population growth in order to achieve high weight in the region and world as well as to obviate peripheral threats. Iran's area is so vast that it can accommodate more population than the current population. The country having population density of 46 individuals per square kilometer ranks 162 in the world. However, quality and efficacy are necessary for a population to lead high weight. Therefore, it has been attempted in this research to explain necessity of population growth of the country geographically; and to study optimization of indices for these changes and policy making in order to lead the changes in the framework of the land preparation plans. The research questions are: Which indices are considered as priority from the view point of the land preparation, concerning the population growth; and which areas and provinces are more apt to accommodate more population? General purpose of this study is to consider crucial land preparation indices in population growth policy and to prioritize provinces based on the indices. The research method is descriptive-analytical.
Show more [+] Less [-]Analysis of the spatial inequalities in distribution of services in neighborhoods of six region of Tehran
2014
Movahed, Ali | Tavallaei, Simin | Kamanroudi, Mousa | Tabei, Nader
Spatial justiceand geographical justiceasfair distributionof services andamenitiesin order toachieveaharmonioussocietyandone of the socialjusticeapproach.Not proper distributionof services,leads toelimination ofthe justice and willincreasedissatisfaction of citizens from their location. The research method is descriptive – analytical. In order to analysis of how the distribution of services in neighborhoods of six region of Tehran, theLQ, standardized coefficient and VIKOR model is used.Then, using theCopelandmodeltocombinethe results ofthese modelsisdiscussed. The results show that an urban service is not distributed fairly in neighborhoods of this region. So that neighborhoods of Arjanteen – saei and MedaneValiasr in the best position and neighborhoods of Fatemi and Ghezelghale, are locatedat the lowest level in having of urban services distribution.Alsofindingsindicatedthat thespatial distribution of populationand servicesis not fair.Thus,considering the structure of coherent andsystematicof city, attention tothe spatialjustice ofdistributionservicein levelneighborhoods of six regionsanddistributionof these servicesaccording tothepopulation, has made itnecessary.
Show more [+] Less [-]An Analysis of Geomorphological Considerations in Positioning the Location of Military Centers (Case Study: South Ilam Province)
2014
Karimi Kerdabadi, Morteza | Khalili, Yaser
Positioning services are generally the activities in which all the features of a particular area are analyzed with regard to suitable land and its relation to the urban and rural functions. Choosing a location requires knowledge and accurate assessments, using appropriate models and tools. In this survey the was conducted in compliance with the standards and features of the site issue Geomorphic region has been examined and is The most important aim identify the status of military centers in the region and analyze environmental conditions and introduce suitable location for the construction military centers. The study is a descriptive-analytical one and benefiting from GIS, evaluates the border areas of South Ilam province and the positioning for the establishment of military centers with regard to the geomorphic and human criteria. therefore AHP model of GIS was used to determine the distribution of military centers of this area. It was finally concluded that %74 of the military centers of this part are placed in proper areas.
Show more [+] Less [-]The Study of Factors Affecting Desertification Zoning Vulnerable Areas and Provide Effective Solutions to Mitigate Desertification in the Region Khomein
2014
Hoseinzadeh, Mohammad Mahdi | Nosrati, Kazem | Mohammadi, Firoozeh
The objectives of this study were to investigate and to zoning desertification in a semi-arid region, khomein city using MEDALUS model. In first the study area was divided into four homogeneous land unites based on geomorphological facies. Then, based on input data in MEDALUS model, effective indicators in desertification including climate, vegetation, soil, erosion, groundwater resources and land management were selected. Then, the indices were weighted and the geometic mean was calculated and the map of each criteria was provided. The final map of desertification was prepared based on combination of all maps of each indicator.The results showed that 4.15%, 12.8%, 19.52%, 11.37%, 11.1%, 26.33%, and 14.7% of the study area are in vulnerable, low-intensity fragile, moderate intensity fragile, high intensity fragile, low-intensity critical, , moderate intensity critical, high intensity critical types, respectively.Also, investigation of desertification, relate to land use and land units exhibited that bared land and 1 and 2 land units, that has the most percent of critical type of desertification, is more capable to desertification comparing to other land use type
Show more [+] Less [-]Applying a Framework for Ecological Capability Assessment Model of Urban Development Using Analytic Network Process (ANP) (Case Study: Sari Township)
2014
Javadian Koutenaee, Sara | Malmasi, Saeed | Orak, Neda | Morshedi, Jafar
Nowadays as for increasing growth of urban population and then expedite and ungovernable development of cities, many issues and problems have been stand on human societies The assessment of change rate of urban settlements in Sari city in the past half-century shows significant increment of urban lands space over the city. Increment of urban settlements in mentioned area takes place regardless capabilities and restrictions on lands and also ecological capability assessment process of urban development which causes wide range of valuable lands to be destroyed. Ecological capability assessment process of urban development estimates possible utilization of human from land for urban development usage. The present study which is descriptive and analysis and applicable research, is done to achieve designing and using a holistic and flexible model in order to ecological capability assessment of urban development by utilizing ANP. Analysis network process is relatively a modern method in the field of environmental researches that is based on mutual influence of environmental standards and of course wisdom collective judgment. The results of present research led to offering lands zoning map of the under studding area based on Ecological capability assessment of urban development to optimize activities in order to preventing environmental imbalance.
Show more [+] Less [-]Evaluation of the Rural Movement Plans from Location Perspective (C.S: Larini olya & sofla and Farrokh Abad Villages - Ilam Province )
2014
Seidaiy, Sayed Eskandar | Azadi, Younes
After movement decision, determination of new location is one of the most critical steps in the process of movement. The reason is that the results of movement, which have several different aspects, are emerged in the long term. The previous experiences showed that the nonchalance in locating the new settlements leads to failure of several movement plans. This study is a descriptive-analytical research. The purpose of this study is to evaluate the movement plans of Larini olya&sofla and Farrokh Abad in Ilam Province in terms of location through method of McHarg, and its needed data have been gathered through fieldwork and text study methods. The findings revealed that from perspective of a large part of criteria, the villages are in the appropriate and semi-appropriate conditions, but the slope of Larini village is inappropriate and Farrokh Abad village is inappropriate in terms of exposure to agricultural lands. Since there are a few situations in which settlements have all of the criteria, it can be concluded that the locations of these villages are appropriate from studied criteria, so the hypothesis is supported.
Show more [+] Less [-]Modeling unused lands and agricultural lands changes into built areas using CLUE-S model (Case Study: Esfahan 14'th region)
2014
SHAHABIAN, POOYAN | Tarhani, Hossein | Koohi Habibi, Nazanin
These days because of study process changes of land use into urban use, play an important role in long-term decision and planning, predicting process of land use changes and it's modeling with specific methods to manage and control of urban expansion is necessary. In the meantime one of the modeling methods of land use changes is Clue-s model. This model is used recently in urban studies, because of it's dynamic nature, ability to combine with other tools, ability to improve the model and accessibility of essential data. At the first step the articles purpose would be the explanation in ways and amounts of unused and agricultural lands conversion into built areas within the Esfahan 14'th region, and the next step would be future patterns modeling of these changes till 1405s vision with Clue-s. The theoretical principle of this article have been collected with documentary method and quantitative and comparative method have been used to analyses the topic. At first, effective factors of land use changes have been prepared and then to explain the relationship between changeable factors and independent factors, causal analysis Regration Logistic have been used within SPSS. T
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