Showing 9 results for Mafi
Nahid Bagheri, Mohammad Mohammad, Ezatollah Mafi,
Volume 0, Issue 0 (3-1921)
Abstract
From the time of human life until now, disasters have had a negative impact on human life; In response, individuals and communities are trying to mitigate the consequences of these disasters and establish scales to assess the initial effects; Also respond to the post-disaster needs and return to baseline. To address these challenges and, as a result, improve the quality of life in cities and metropolises, the need for long-term planning and decision-making in solving these problems is more necessary than ever. Therefore, dealing with new urban theories, each with the aim of solving urban problems, improving the quality and quantity of life of citizens in cities, improving the quality of the city environment, city management, advancing the city to become more desirable, and so on. , Is more important than ever. In recent decades, to solve these challenges and reduce its effects on metropolises and large cities, various solutions and perspectives have been proposed, one of which is to pay attention to the concept of resilient city. The present study is descriptive. - It is analytical and practical in terms of purpose. The statistical population of this study consisted of experts and professors familiar with the topics of the city. 35 university professors and experts in the field of research determined the sample size intended to complete the questionnaire. The results of this study showed that the criterion of physical characteristics of tissue with the highest D-R value (0.672) is at the top of the chart and shows that this criterion is the most effective criterion. Also, based on the calculated D + R value, the building quality criterion is the most important criterion. Also, the urban infrastructure criterion was considered as the most influential criterion due to the fact that it has the lowest D-R value.
Mohammad Saghebi, Ezatollah Mafi, Mehdi Watanparast,
Volume 0, Issue 0 (3-1921)
Abstract
Nowadays, addressing approaches such as livability for today's cities as concepts that play an important role in reducing social, economic and environmental problems of cities is an inevitable necessity. In fact, livability is a concept with all angles and mental and objective dimensions Is concerned with human beings and seeks to create a healthier and more livable urban environment for current citizens of future generations; Therefore, livability is a new concept and approach in the paradigm of sustainable urban development, which some consider one of the greatest ideas of urban planning in modern times. In livable city, the goal is not only to meet the physical needs of urban society, but also to create a sense of citizen satisfaction According to this, the main purpose of this research is an analysis of urban livability in Bojnourd with emphasis on security index.
The purpose of the present study is applied and in terms of method: descriptive-analytical. Using GIS software, maps related to the status of each of the objective sub-indicators based on Bojnourd city police stations have been drawn. For mental indicators that have 8 items, a questionnaire The sample size in the whole city of Bojnourd is 383 people. The results of this study show that police station area 13 of Bojnourd (in region one) is the best area in terms of security index. The worst area in terms of security is related to police station area 12 (area two) in terms of index. It is security.
Morteza Ramezani, Mahdi Vatanparast, Ezatolah Mafi,
Volume 0, Issue 0 (3-1921)
Abstract
Abstract
Due to the increasing importance of tourism, determining the location of Bojnourd is an inevitable necessity. The city of Bojnourd has been affected by this phenomenon by having special capabilities and opportunities for tourism in different economic, social, environmental and physical dimensions. The present research is of applied type and is a descriptive-analytical research method. SPSS, AMOS and Expert choice software were used to analyze the data. The statistical population of the study is the citizens of Bojnourd. The sample size was calculated to be 384 people using the Cochran's formula and was randomly distributed in Bojnourd. Research findings show; With 95% confidence, tourism development has affected the urban development of Bojnourd.
Also, among the variables explaining urban development, the growth of cultural services with a factor load of 0.67 had the highest correlation with the hidden variable of urban development. The index of development of infrastructure and construction facilities and services with a factor load of 0.66 is in the second place and the variable of improving the livelihood of residents with a factor load of 0.56 is in the next place. Finally, the index of increase in public services has a factor of 0.52 and has the lowest correlation with its hidden variable. The results of the structural model also show this Tourism has played an important role in the urban development of Bojnourd.
Miss Ameneh Naghdi, Mr Ezzatolah Mafi, Mr Mehdi Vatanparast,
Volume 20, Issue 58 (9-2020)
Abstract
Natural disasters, which are part of the process of human life, pose a major challenge to the sustainable development of human societies. On the other hand, the unsuccessful implementation of urban regeneration schemes has led to a new phenomenon called sustainability in urban projects, with major approaches to sustainability being the revitalization of urban contexts and the emphasis on regeneration. Therefore, in the present study, quantitative planning matrix has been used to evaluate the regeneration of the worn-out neighborhoods of Faraj city in order to enhance the physical resilience. . The research method in this study is descriptive - analytical and for collecting information besides library documents and studies, questionnaire was used which was distributed among a sample of 30 urban experts. Based on data analysis, Shannon entropy was used to evaluate the physical resilience of Faroj's worn-out tissue sites, and then the studied sites were prioritized in terms of physical resilience. Afterwards, the Vicour method was used to rank the Farouq worn-out tissue localities in terms of physical resilience. Based on the Shannon entropy, it has been concluded that neighborhoods 5 and 7 have been prioritized for physical resilience. Also based on the Vikor method, it has been found that out of the four quarters of the worn-out Faroj textile, the number seven neighborhood has the highest resilience.
Miss Ameneh Naghdi, The Doctor Ezzatolah Mafia, The Doctor Mehdi Vatanparast,
Volume 21, Issue 60 (3-2021)
Abstract
Themain purpose of this research is to analyze status of resilience indicesin the worn out and old fabricof Farujcity. Inthis regard, 32 indicators in four dimensions of physical-environmental, social, economic and institutional-managerial were selected based on theoretical studies of the research. In the next step, a questionnairebased on these indicators was designed and distributed among the residents of the study area. A total of 380 households participated in completion of questionnaires. Then, the
collected data were entered into SPSS and analyzed by single sample t-test.Four dimensions of resilience were compared with each other and based on average scores. The results indicated that resilience in the institutional-management dimension with the average score of 2.70 is ranked first. Thesecond rank of resilience was for the physical-environmental dimension with a mean score of 2.47. Finally, social and economic dimensions were ranked third and fourth, respectively. Inanother section of the study, the importance coefficient of each indicator was estimated based on experts' opinions. Then, the results were integrated and indicators with higher priorities were identified. In this method, we are looking for indicators with a low average score but a high coefficient of importance. Based on the analysis, we found nine indicators with these characteristics, of which we can refer to indicators such as access to temporary accommodation, awarenessabout the occurrence of natural and human disasters in the neighborhood, the level of awareness about reactions, how to behave appropriately during the crisis, job security, financial strength of residentsto participate in resolving the crisis, and the extent to which the insurance organizations support the residents.
Hamid Salehi, Muhammad Motamedi, Ezatollah Mafi,
Volume 21, Issue 61 (6-2021)
Abstract
The basis of climatic data is measurements taken at a predetermined chronological order at air monitoring stations, so all measured values of climatic elements can only be attributed to the point of measurement. Therefore, different interpolation methods can help a lot in estimating climate data in different places. The study area in this study is northeastern Iran, including the provinces of Khorasan Razavi and North Khorasan, and monthly summer temperature data were used for 21 synoptic and evaporative stations in the northeast belonging to the Meteorological Organization and the Ministry of Energy with appropriate distribution. The statistical period of 21 years (1997-1997) was considered as a common statistical period for all stations. Then, in order to compare the interpolation methods, several different methods, including ordinary kriging, spline, inverse squares and Thyssen were used by ARCGIS software. Comparing the deviations of the estimates from the measured data was evaluated by cross-validation. Then, in order to check the hypothesis of normality of the calculated errors in each interpolation method, the test thigh test was used and finally, to evaluate the best interpolation method, AHP method and Expert Choice software were used. The results showed that based on the root mean square error (RMSE) criterion, Thyssen, Kriging, inverse distance and spline methods were located, respectively. Based on the absolute maximum error criterion (MAE), the kriging method estimates the summer temperature better than other methods. According to the MBE standard, the kriging method is better than other methods and can be used for temperature interpolation. According to the set coefficients, the calculated compatibility rate is 0.03, which indicates the high accuracy of the selection of weights.
Nahid Bagheri Maragheh, Mohammad Motamedi, Ezatollah Mafi,
Volume 22, Issue 64 (3-2022)
Abstract
Abstract
Explaining the relationship between resilience to natural disasters is in fact how social, economic, institutional and physical capacities affect the increase of resilience in societies. Accordingly, the purpose of this study is to investigate the resilience of Shirvan city in the face of earthquakes in which the research method is descriptive-analytical and the statistical population includes experts in the field of urban resilience for this group of 30 people. First, the indicators evaluated to assess the resilience of Shirvan city in the face of earthquake hazards using the ANP model, which were questioned by experts and elites, were 25 indicators in 4 physical, institutional, cultural, social and economic criteria. Paired comparisons were performed. Findings showed that the rate of resilience in Shirvan is low in 65.4% of the city and high in only 19.2% of the city. In other words, in 17 neighborhoods out of 26 neighborhoods of Shirvan city, the rate of resilience in the face of earthquake hazards is low and only in 5 neighborhoods of the city the rate of resilience is high. Therefore, the final results of resilience in Shirvan are 19.2% of the upper city, 15.4% of the average city and 65.4% of the lower city. In general, the results indicate that the resilience of Shirvan is in an unfavorable and unfavorable situation and the rate of resilience in this city is low in the face of earthquake hazards.
Mohammad Saghebi, Ezatollah Mafi, Mehdi Watanparast,
Volume 22, Issue 67 (12-2022)
Abstract
Today, urban livability is the key concept in urban planning. At present, the concept of sustainable development and livability is one of the new concepts in developed countries. The city of Bojnourd has witnessed unequal urban spaces due to the increasing population growth, especially in the last three decades, so the necessity and importance of the issue of livability is quite evident in the city today. This study was developed with the aim of evaluating and measuring urban viability and the factors affecting it. The present study is applied in terms of purpose and descriptive-analytical in terms of method. In order to collect the required data and information, library and field methods and questionnaire tools were used. The statistical population of the study consists of citizens living in Bojnourd, the sample size was estimated 384 people using Cochranchr('39')s formula. In order to achieve the objectives of the study, one-sample t-test and linear regression were used in SPSS software. The results of this study showed that the situation of urban livability in Bojnourd, according to the general average obtained, which was equal to 2.75, is in a situation below the average. Also, in terms of the studied dimensions, the social dimension with an average of 2.84 has the highest average and the environmental dimension with an average of 2.67 has the lowest average. Also, the results of this study show that the situation in Region 2 is better than in Region 1 of Bojnourd. Other findings of this study include the positive effect of citizenschr('39') sense of security and health on urban livability.
Mehdi Mohammadzadeh Moghafam, Mohammad Motamedi, Ezzatollah Mafi,
Volume 23, Issue 70 (9-2023)
Abstract
According to the issues raised, the present study has been compiled with the aim of examining and assessing the situation of cities from the perspective of urban crisis management components. The research method in this research is a combination of research, applied (using the results and output of research in Shirvan) and development; Statistical population In the present study, according to the determination and classification of related organizations, each organization was selected as a statistical sample from each organization according to the percentage of the total statistical population, which in total 227 People were selected as the statistical sample of the present study. Finally, the quota non-probability sampling method, in which the number of samples is determined in advance and is from experts, was distributed. The findings show that the lowest and most unfavorable calculated average of 3.57 belongs to the post-crisis period and post-crisis reconstruction, which is not in a satisfactory state. It is related to the identification of vulnerable zones due to hazards in Shirvan city and in this section 12 indicators were analyzed based on FAHP model, which showed that the rate of vulnerability in 5.37% of Shirvan city Very low, 22.38% low vulnerability, 14.12% moderate vulnerability, 27.75% high vulnerability and 30.39% very high vulnerability. In fact, it can be said that the vulnerability of Shirvan is low in 27.75% of the city and high in 58.14% of the city. In the central neighborhoods of the city due to high age, population density, wear and tear, low quality buildings and ... the level of vulnerability is high.
