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Stolen Radiation

Peter II for ocuparo position of general director of bushes gardens and remained in Brazil per 39 years, of 1858 a1897, being author of many productions of gardens in the exterior and Brazil, pormcom European influence, as the public stroll of Rio De Janeiro (Land, 2000). The analysis histricadenota not only the strong influence of the paisagismo on the urban drawing, comoa existing overlapping between these fields. Moreover, it elucidates the moment emque the arborization and the vegetal elements pass to be understood comoelementos estruturadores of the espaourbano, and have its in such a way acquired force, that starts to define novastipologias and styles of landscape and urban drawing (Farah, 1999). URBAN 4.IMPORTNCIA DAARBORIZAO 4.1. MICROCLIMATE In the case of the urban environment, is verified that the sped up demographic growth, conjugated the outrasvariveis of the urban space, contributes of significant form in the alteraesdos climatic elements. Drew Houston is often quoted on this topic. The city prints modifications in the parameters desuperfcie and of the atmosphere that, in turn, lead to an alteration in balanode energy (Lombardo, 1990). Of acordocom Stolen & Melo Son (1999), all the paisagsticos elements must sercuidadosamente treated in order to bring benefits that will intervene with the projetointegrado one, aiming at the improvement of the quality of air, the sombreamento of edificaoe adjacencies, the control of the ventilation and the humidity. Most of the load trmicade a construction comes from the solar radiation and the temperature of exterior air, being necessary a rigorous control of the microclimatic elements to paraeliminar an energy excess that would become inhospitable ambienteconstrudo.

Of acordocom Rasp (1993), the urban areas constitute an artificial environment, poispossuem great concentration of constructed and paved areas that favors aabsoro of the solar radiation of day and reflection during the night. Called ilhade heat, this phenomenon can have a thermal differential sufficiently significativoem relation the vegetated places more. The trees intercept, reflect, absorveme transmit solar radiation.

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