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Table 8 Main input parameters for the simulations with the urban unit model in January 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

Jan 13, 2013

Jan 12, 2013

Jan 24, 2013

Source

Weather forcing Group

Group 1

Group 2

Group 3

 

Specific humidity 2500 m (750 mbar) gr w/kg dry air

3.3

2.0

1.1

[52]

Prevalent wind direction (N = 0 clockwise)

22

225

225

[53]

Wind speed 10 m ab. gr. m/s

3.2

2.1

2.5

[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

278.4

277.3

280.6

[52]

279.6

279.5

281.4

282.6

283.0

282.4

Underground soil humidity (Upper-Middle-Deep layer)

38 %

36 %

34 %

[52]

38 %

36 %

35 %

36 %

35 %

35 %