جستجوی مقالات مرتبط با کلیدواژه "بخش دهدز" در نشریات گروه "جغرافیا"

Landslide is always a serious threat to human settlements. In the Face of such accidents, little can be done at the moment of occurrence. Before that, its effects can be foiled with planning and for reduction of possible casualties and damages. The aim of the present study is to take a systematic look at natural hazards, including Landslide in order to draw up a scientific and accurate plan outlining for preparation and planning based on the use of spatial information systems and multi-criteria decision-making models in line with the zoning risk landslides and determining the direction of residential development is predictable. The present study extracted 15 effective criteria in landslide risk. Then using of the results of the evaluation of two models of (DEMATEL, FUZZY hierarchical analysis process) showed that the DEMATEL model is in accordance with the principles and laws of mathematical and has more certainty. While the process of FUZZY hierarchical analysis was only consistent with the knowledge and expertise rating. In the risk zone whit the DEMATEL model low risk, zones %37/1 (190/39 km2) it has the largest area of 513/12 square kilometers, have most area of surface. Also, high risk zone with %2/32 (11/89 km2), high and medium risk zones each with %34/33(176/13 km2) and low risk by 134/71(%26/25 km2) were next in the ranking. Zoning and risk with FUZZY hierarchical analysis, risk zone of very small allotment, %36/53(187/43 km2) and low risk zone of %17/73(90/96 km2) and medium risk zone %17/79(91/27 km2), and high risk zone of %16/84(86/41 km2), as well as very high risk zone%11/2(57/6 km2) were ranked.

Disaster resilience and mitigation should be part of rural settlement design and sustainable development strategies.The purpose of this study is to evaluate and rank the resilience indicators of rural settlements in Dehdez district of Izeh city.The study method is descriptive-analytical.The statistical population of the study includes all heads of households in rural areas of more than 20 households in Dehdez district of 3003 people.The sample size was selected based on Cochran's formula to 341 randomly available people. The research tool is a questionnaire with 60 questions in four variables of environmental-natural resilience, economic-social resilience and institutional-managerial resilience, physical-spatial resilience.Its formal validity has been confirmed by the relevant professors and its reliability has been confirmed based on Cronbach's alpha at the rate of 0.86.T-test, Pearson and Friedman tests with SPSS22 software were used to analyze the data.The results show that the environmental-natural index, physical-spatial index, institutional-managerial index and socio-economic index are in good condition.Among these, the status of the environmental-natural index is in a better condition due to the higher average and the institutional-managerial index is in a less favorable condition with a lower average.Based on this, it can be said that the environmental-natural index and the surrounding environmental conditions, according to the experience gained by the villagers, have been able to play a key role in the resilience of rural settlements.

Assessing and measuring the resilience of rural communities is one of the most important tools in determining the sustainability of rural settlements when environmental hazards occur. In the Dehdez section, there are numerous rural and nomadic settlements and are prone to many environmental hazards throughout the year. Rural settlements and their inhabitants do not have adequate resilience in various dimensions in the face of environmental hazards. The purpose of this study is to explain the resilience pattern of rural settlements in Dehdez section of Izeh county. In the theoretical foundations section, various methods are explained based on previous research and theories, and then the conceptual model is presented. The study method is descriptive-analytical. The statistical population under study includes all heads of households in rural areas above 20 households with 3003 people. The sample size was 341 according to Cochran's formula. The research tool includes a questionnaire with 60 questions. The data were analyzed using SPSS 22 and AMOS software and the Kolmogorov-Smirnov test, confirmatory factor analysis, and structural equations. The results indicate that each of the coefficients of impact of environmental-natural, social and economic indicators, institutional-managerial and physical-spatial on the resilience of rural settlements located in the research area are 0.73, 0.40, 0.19, and 0.25 respectively. In the resulting resilience pattern of the present study, the rural settlements of Dehdez district are generally in good condition in terms of resilience. This pattern places more weight on the natural index than on the human. As a result, in terms of natural-environmental index and adaptation to environmental conditions, villages have the highest resilience and in the institutional-management index, which requires organizational, institutional and human actions and efficiency, have the lowest resilience.

The inappropriate space distribution of rural services causes many problems، including loss of adoptness، and unfair distribution of services according to the existing capacities. In this research، the studied region is “Dehdez” zone of “Izeh” province،”Khuzestan” state. The goal of the present paper is to prpvide an optimal and ideal location finding of rural services centers in Dehdez zone، Izeh province، in the from of a flat، using available place data such as height layers، gradient، communicative roads، population density،etc. To operate the research، we have utilized Analytic Hierarchy Process (AHP). (i. e. two by two comparison، based on criterias weighting in geographical information system). Eventually، an appropriate space paradigm for the studied region about the rural services centers was gained. The results showed that the selected flats had ideal situations، since 22 villages with an extent of around 168/39 km2، are considered as fally appropriate rural services centers. Other flats including appropriate class with an extent of 211/64 km2، having 23 villages، relatively appropriate class with an extent of 157/74 km2، having 20 villages، inappropriate class with anextent of 416/05km2، having 38 villages، and also the fully inappropriate class of the region with an extent of 463/42 km2، and also the presence of 31 villages in it are of different amounts of importance in location finding. It is proposed that planners have a special view on making a settlement site for under populated and far-off villages in the studied scope.