期刊
LANDSCAPE AND URBAN PLANNING
卷 49, 期 3-4, 页码 97-114出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0169-2046(00)00071-2
关键词
microclimates; residential development; greenbelts
The microclimates of a suburban Colorado residential landscape were studied to examine the effect of design decisions on temperature, wind speed, and relative humidity. On a hot day typical of summer, vegetated landscape elements were several degrees cooler throughout the day than non-vegetated surfaces. Across the development, dry, native grass landscapes were warmer than irrigated greenbelts and irrigated residential lawns. These data demonstrate the importance of evapotranspiration as a cooling agent in the dry, semi-arid Colorado environment. Extended meteorological measurements throughout the summer suggested housing density created microclimatic differences in the development. Heat generated by built landscape elements was readily vented from a porous neighborhood but not in a denser neighborhood. This study demonstrates that in the semi-arid Colorado environment. the choice of planting material, the design of irrigated greenbelts within a community, and the density of housing all have important consequences in creating thermally-pleasing environments. (C) 2000 Elsevier Science B.V. All rights reserved.
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