The neighborhood is one of the most fundamental urban elements and acts as the intermediary link between the city and citizens to enhance the quality of life. The present study examined the significance of the relationship between the subjective well-being of citizens and perceived neighborhood environment characteristics in urban historical fabrics for creating healthy neighborhoods. To this end, a survey research method was employed, and the data were collected via questionnaires. The population consisted of all the citizens of the historical neighborhood of Sange Siah in Shiraz, Iran, who lived or worked in the neighborhood and used the neighborhood spaces daily. A Nonparametric Spearman correlation coefficient was run to assess the correlation between the variables. The results showed that the component of social inclusion from among the six components of subjective well-being had a significant positive correlation with perceived neighborhood environment characteristics (r = 0.712). In the following, the components of satisfaction with life (0.614), mental well-being (0.569), positive and negative effect (0.526), and feeling of happiness (0.468) had a moderate positive correlation; and the component of physical and mental health also had a weak positive correlation with perceived neighborhood environment characteristics (0.230). In addition, the concept of subjective well-being with a correlation coefficient of 0.579 had a moderate positive correlation with perceived neighborhood environment characteristics, which indicates that the structural characteristics of the neighborhood have a significant relationship with the subjective well-being of the people living in the neighborhood.
One of the most important issues in urban studies relating to climate and environmental sustainability is the analysis of the thermal conditions of urban public spaces, especially urban streets, since this issue seems to affect the comfort of citizens using such spaces. Thus, the main aim of the present study is to investigate the effect of streetscape parameters on the thermal comfort of citizens using urban streets in a hot summer and in a hot semi-arid climate. For this purpose, Karimkhan-e-Zand Street in Shiraz, Iran, was selected as the case study. The selected street is a historical and popular public space of Shiraz. In the present study, using physical and micro-climatic data analyzed in ENVI-met v4 software, the thermal comfort conditions of Karimkhan-e-Zand in Shiraz on 10 July were simulated during the hottest day of the year. Furthermore, the relationships between physical street parameters and micro-climatic parameters and their effects on the thermal comfort index (PMV) were investigated through running a set of regressions in STATA 14 and analysis of ENVI-met v4 output maps. The results of the present study show that the thermal comfort of the citizens, which is determined by the PMV index values, is in very poor condition in almost all the studied hours, and the air temperature has the greatest effect compared to other micro-climatic parameters on the PMV index. The results of present study also show a significant relationship between the sky view factor and mean radiant temperature, as well as between the surface albedo and relative humidity. Furthermore, the type of vegetation and the aspect ratio of the street affect the level of increase in thermal comfort on the street.
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