On the Derivation of Input Parameters for Urban Canopy Models from Urban Morphological Datasets |
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| Authors: | Alberto Martilli |
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| Institution: | (1) Research Centre for Energy, Environment and Technology, CIEMAT, Edificio 70, P1.5, Avenida Complutense 22, 28040 Madrid, Spain |
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| Abstract: | Two techniques are analysed to derive mean street width and mean building width from morphological data of real cities: one
based on a two-dimensional simplified morphology, and the other based on a three-dimensional regular simplified morphology.
For each simplified morphology (two-dimensional and three-dimensional), the sky-view factors (street-to-sky) are computed
and compared with the sky-view factors derived from the real morphology for selected districts of three European and two North
American cities. The two-dimensional simplified morphology reproduces the real sky-view factors better than the three-dimensional
morphology. Since many urban canopy parameterizations represent the city using simplified morphologies, this can be useful
information for the derivation of input parameters for urban canopy parameterizations from real morphological data. |
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| Keywords: | Mesoscale models Sky-view factor Urban canopy parameterizations Urban morphological data |
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