Research Article

Impact of a Detailed Urban Parameterization on Modeling the Urban Heat Island in Beijing Using TEB-RAMS

Table 2

Input parameters for the TEB scheme in Beijing.

ParametersUnitBeijing

Geometric parameters
 Building fraction0.5
 Building heightm60
 Wall/plane area ratio4.4
 Canyon aspect ratio3.0
 Roughness lengthm3.0
Radiative parameters
 Roof, wall, and road albedo0.15; 0.25; 0.1
 Roof, wall, and road emissivity0.9; 0.85; 0.94
Thermal parameters
 Roof, wall, and road thickness0.05; 0.02; 0.05
 Roof, wall, and road thermal conductivity0.41; 0.81; 1.0103
 Roof, wall, and road Thermal capacity2110000; 1000000; 1240000
Temperature initialization
 Inside building temperature °C26.0
Anthropogenic heat sources
 Vehicular sensible heat source W/m2200.0
 Industrial sensible heat sourceW/m2200.0