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Table 9 Main input parameters for the simulations with the urban unit model in June 2013

From: Transforming typical hourly simulation weather data files to represent urban locations by using a 3D urban unit representation with micro-climate simulations

Input parameter Jun 14, 2013 Jun 23, 2013 Jun 18, 2013 Source
Weather forcing Group Group 1 Group 2 Group 3  
Specific humidity 2500 m (750 mbar) gr w/kg dry air 8.9 12 11.3 [52]
Prevalent wind direction (N = 0 clockwise) 45 90 225 [53]
Wind speed 10 m ab. gr. m/s 3.1 2.8 3.1 [53]
Roughness length z0 0.1 0.1 0.1 [36]
Mean wall albedo 0.23 0.23 0.23 [49]
Mean roof albedo 0.50 0.50 0.50  
Wall heat transmittance W. m −2 . K −1 1.4 1.4 1.4  
Roof heat transmittance W. m −2 . K −1 0.9 0.9 0.9  
Underground soil temperature (Upper-Middle-Deep layer) K 294.3 299 300 [52]
292.7 294 293
290.6 291 291
Underground soil humidity (Upper-Middle-Deep layer) 38 % 39 % 38 % [52]
38 % 37 % 38 %
37 % 36 % 37 %