نتایج جستجو برای: located in developed urban areas
تعداد نتایج: 17054531 فیلتر نتایج به سال:
walking being the oldest form of urban transport, and until the advent of major transformationsin transport technology in the nineteenth century, most cities were structured in ways that supported walkability.today, there is a change in transportation which emphasizes, the traditional pedestrian paths which are increasinglybecoming non-regulated spaces when compared to the urban spaces for auto...
Introduction Variations in rural economy, prevention of the unprecedented rural-urban migration, and reduction in spatial imbalances between rural and urban areas via creation of industries namely industrial towns are being considered as the fundamental Iran’s policies regarding rural development. The major objective of this study is to identify and investigate the economic impact of Aghola ...
Distressed urban areas suffer from a wide range of economic, social and physical issues and urban regeneration can be a proper response to these unfavorable conditions. District ten of municipality of Tehran (DTMT) located in central area of Tehran and 55 percent of its area is covered with decayed texture. As a result of diversity of tasks of urban management, there are numerous stakeholders i...
This paper presents a study about the Longley-Rice model and its applicability in urban settings located in tropical areas. For this, the model has been modeled computationally for MatLab platform. The LRM (Longley-Rice Modified) algorithm has been calibrated and validated with reference values for analysis of the radio signal attenuation measured in Belo Horizonte. These data are evaluated for...
Wind is the carrier of pollutants and any other gaseous or particle matters in the atmosphere. Stable atmosphere with low wind provides favourable conditions for high contamination of pollutants in urban areas. The importance of mesoscale atmospheric flows in air pollution dispersion has been recognized in the past three decades and has been the focus of intensive research both observational ...
Iran is located in an area with high earthquake risk. There are over 20 active faults with length of 500 km and also densely populated parts of the country have been rendered vulnerable to strong earthquakes. However, existence of eight faults of the main faults of Iran along with at least 18 faults with length of more than 100 km in Kerman province have turned the place into one of the riskies...
The intensification of transport in the urban environment has generated an increase oflevel noise. Therefore, the EC has implemented an environmental policy for the reducing the noiselevel. Thus, the limit values acceptable for the noise levels in urban areas are 50 dB. To determine the noise level for these environments were designed and made various systems to measure level of noise, the majo...
Increasing load of air pollution in urban environment emphasises the need for detailed evaluation of wind characteristics that significantly affect the air quality of urban areas, especially, in large agglomerations. This paper includes analysis of urban wind cli-matology and estimation of wind profiles based on measurements of the new urban 5 climate station located at the E ¨ otvös University...
With support of GIS tools and Theil index, the spatial variance of urban energy consumption in China was discussed in this paper through the parallel comparison and quantitative analysis of the 30 provincial capital cities of mainland China in 2005, in terms of scale, efficiency and structure. The indicators associated with urban energy consumption show large spatial variance across regions, po...
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