azim ali shaei

With the growth of population and urbanization, the urban managers are concerned with optimal waste management besides problems such as traffics, various types of pollutions, slums, etc. Nowadays the development of cities, growth of income average and welfare of society, and accelerated social and economic developments in the countries have led to a rapid increase in waste production, and a change in the consumption pattern resulted in a change in the quality of solid waste.

Site Selection for the Waste Landfills the City of Eyvan-e Gharb.

In the present study, the required maps and information were collected from various resources and transformed into data layers to be used in the ArcGIS software environment with respect to the effective factors in site selection. AHP was employed as a decision-making technique due to its prevalent and effective application for assessing the suitability for landfill.

Studied Areas: 

The city of Eyvan location falls at 33° 50' N, 46° 20'.

The Criteria for this study are as follows: Land use, soil type and land capability, quality and depth of groundwater, geology, the intensity of rainfall, heights, grading, distance from the city, distance from the village, distance from the fault, distance from the river, distance from the road, distance from power transition lines, distance from well and fountain, distance from protected areas.

The most suitable location included 7.98% of the area of the region.

From the past until now, the occurrence of earthquakes has always been a widespread threat, and the need to reduce the vulnerability of cities to earthquakes is considered one of the main concerns of urban planning. In this regard, the pathological zoning of the amount and type of response to the earthquake with the help of effective methods can significantly increase the resilience of the city in the face of the earthquake. In the present study, the physical-social pathology of Urmia city against the earthquake crisis was investigated. The type of this research is applied in terms of purpose and descriptive-analytical in terms of research method. 15 indicators were used to measure the physical and social vulnerability of Urmia city. The required data are also extracted from comprehensive plans and statistics of 2015. Spatial statistics and spatial autocorrelation models have been used in GIS software for data analysis. The results obtained to answer the research question indicate that the central parts of Urmia city are more vulnerable than the peripheral parts in terms of physical index. The state of social indicators at the level of Urmia city shows moderate vulnerability. This vulnerability was estimated at 58% in the physical dimension and 41% in the social dimension. The results of the RDJ model also show that the distribution of physical and social vulnerability is clustered in the regions of Urmia. Considering the degree of vulnerability of the city of Urmia, in order to reduce the loss of life and money caused by the earthquake, it needs to reduce the consequences of this crisis with efficient planning and effective measures.

The present study seeks to measure the variables that affect the formation of reverse migration in the villages of central part of Dezful city. This research is a practical and descriptive- analytical methodology. Documentation and fieldwork have been used to collect information. Sampling method In this research, quotas were sampled and questionnaires were filled out by simple random sampling between households. The results of t-test showed that, from the viewpoint of immigrants, economic index is the most important factor affecting the formation of return migration. Also, the results of linear regression test indicate that the variables of age, sex, native belonging and residence distance are influential in return migration. According to Friedman's test, access to underlying, communication, welfare and administrative services has been more important than other variables. Finally, the results of the fuzzy system indicate that the studied villages are in total the return of high migration.

One of the most controversial issues, especially in developing societies, is culture and its development. Development as a multidimensional process, is an effort to improve the material and spiritual life of human beings, and culture, is considered as the foundation of the intellectual and epistemological life of the society. The interrelationships of the two enable the growth of human abilities. Cultural development is considered as the foundation of sustainable development. Therefore, urban development will be dynamic when it is closely related to cultural development and in fact an integral part of it. The purpose of this article is to investigate how the four regions of Urmia enjoy cultural terms in order to achieve regional inequalities. According to the studied components, the approach of this research is "descriptive-quantitative and analytical". The statistical population of the study includes the four regions of Urmia, which were used to analyze the research data using ANOVA, Independent- samples T test, Tukey HSD and Gama fuzzy operator in the ArcGIS software. The results show that the districts 3 and 4 in Urmia with means of 38/24 and 8.24 as well as options are better developed than other districts. Also zone 1 and 2 are known as backward regions in terms of cultural development with means of 21/46 and 22/47. Of course, this applies to the operator for more details on Gama 0/7, which all indicate the existence of regional inequalities in Urmia.

The rural- urban links are considered as a part of realities of everyday life in an inhabitant family in rural regions. Thus, rural- urban links are emphasized in regulation and expression of development policies by aiming at reduction of poverty and supporting from positive role of urban centers to expand surrounding rural areas. Therefore, the current research has analyzed the village- city relations to determine field of influence of Ilam city. The methodology is combinatory type and both quantitative and qualitative techniques. The data have been collected by special questionnaire for the public people in this survey so that thereby one could test hypotheses by T- statistical exams, AHP and VIKOR models. The given results indicate that among 5 research variables, variables of economic trends (Mean-value=2.1959) and migratory trends (Mean – value= 2.5518) are lower than the base and standard limits. The results of this survey show that given average limit of 3, this model enjoys strong relationship in terms of three variables in which political-administrative variable (0.398) is placed at first rank in terms of importance and parameter of migratory trends (0.095) was ranked in four rural groups and VIKOR results were placed at the last rank. Similarly, using of this model; finally indicates the rate of influence is reduced by rising distance. Finally, with respect to result of study, it can be implied Ilam city plays a polar goal through this city but the level of influence of this city is also reduced by rising distance between them.