POLITECNICO DI BARI - Catalogo dei prodotti della Ricerca
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EnglishThis paper attempts to evaluate the positive effects of vegetation with a multi-scale approach: an urban and a building scale. Monitoring the urban heat island in four areas of New York City, we have found an average of 2°C difference of temperatures between the most and the least vegetated areas, ascribable to the substitution of vegetation with man-made building materials. At micro-scale, we have assessed the effect of surface albedo on climate through the use of a climatological model. Then, using the CO 2 equivalents as indicators of the impact on climate, we have compared the surface albedo, and the construction, replacement and use phase of a black, a white and a green roof. By our analyses, we found that both the white and the green roofs are less impactive than the black one; with the thermal resistance, the biological activity of plants and the surface albedo playing a crucial role.
| Autori: | |
| Titolo: | Positive effects of vegetation: urban heat island and green roofs |
| Rivista: | |
| Data di pubblicazione: | 2011 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.envpol.2011.03.007 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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