The objective of this study is to analyze the impact generated by models of occupation of urban spaces in installments, according to its own characteristics of the variables present in the urban microclimate inherent Neighborhoods Old Town and Umarizal Demonstrate in Belém, from the standard methodology developed, an approximation of the effects of thermal exchanges within the urban portions with their different typologies found, which will allow, besides understanding more approximate of the resulting phenomena of the climatic interaction with the specific typologies, to evidence more appropriate town planning strategies to thermal performance. To demonstrate the effects of these urban parameters and their influence on the quality of the microclimate, were used as strategies for data acquisition, image capture IFR (IR) surface, angled shots with a fisheye lens, record temperatures globe, dry and humid bulb, sun air, field survey of the buildings, together with the technical analysis of energy balance factor Sky View, Built Mass and Cut Heat Load. The Old Town district is inserted in origin of formation of the town and within its context morphological Volumetric has characteristics that in his time been regarded as solutions to climate adaptation, making it conducive to the development of thermal studies. Already Umarizal neighborhood, which is part of the expansion area of the city center, has a characteristic morphological marked a process of increasing vertical integration, especially in the last decade, and with it, has been constituted in the district with the highest profile change and constructive densification of recent years, which defines it as a key to this investigation. Based on some previous studies and looking to add new analysis parameters and concepts, we defined the use of techniques for analyzing of the energy balance and the thermal exchanges urban able to identify, conceptually, the ability to build thermal load and indicate ways implement procedures for analysis of thermal performance of urban fractions. Methodological criteria developed from the investigation of the effects arising from the relationship between local climatological patterns and urban standards of occupancy can be good use, generate urban parameters that enable the occupation of cities not only in their environmental issues in its overall efficiency, pointing to solutions to planners and urban managers to equip a record of the capacity to "load" these determined territories.
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