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Influence of mesoscale urban morphology on the spatial noise attenuation of flyover aircrafts

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Figure

Fig. 1. Figure-ground diagrams of the 20 sampled sites, each of 250m*250m, where buildings are in  black, and open areas are in white
Fig. 2. Cross-section of the calculation configuration, showing the location of flight path
Table 1. Calculations of the six urban morphological parameters used in this study.
Table 2. Variances of the aircraft noise attenuation among the 20 sites in terms of L10, L50 and L90, bothin open areas and on façades
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