Note
Please report issues with the manual on the GitHub page.
4.2.5. SUEWS_NonVeg.txt¶
SUEWS_NonVeg.txt specifies the characteristics for the non-vegetated surface cover types (Paved, Bldgs, BSoil) by linking codes in column 1 of SUEWS_NonVeg.txt to the codes specified in SUEWS_SiteSelect.txt (Code_Paved, Code_Bldgs, Code_BSoil). Each row should correspond to a particular surface type. For suggestions on how to complete this table, see: Typical Values.
No. |
Column Name |
Use |
Description |
|---|---|---|---|
1 |
Code linking to a corresponding look-up table. |
||
2 |
Effective surface albedo (middle of the day value) for wintertime (not including snow). |
||
3 |
Effective surface albedo (middle of the day value) for summertime. |
||
4 |
Effective surface emissivity. |
||
5 |
Minimum water storage capacity for upper surfaces (i.e. canopy). |
||
6 |
Maximum water storage capacity for upper surfaces (i.e. canopy) |
||
7 |
Depth of water which determines whether evaporation occurs from a partially wet or completely wet surface [mm]. |
||
8 |
Upper limit to the surface state. [mm] |
||
9 |
Calculation choice for Drainage equation |
||
10 |
Coefficient D0 [mm h-1] used in |
||
11 |
Coefficient b [-] used in |
||
12 |
Code for soil characteristics below this surface linking to |
||
13 |
Limit for the snow water equivalent when snow cover starts to be patchy [mm] |
||
14 |
Limit of the snow water equivalent for snow removal from roads and roofs [mm] |
||
15 |
Code for OHM coefficients to use for this surface during wet conditions in summer, linking to SUEWS_OHMCoefficients.txt. |
||
16 |
Code for OHM coefficients to use for this surface during dry conditions in summer, linking to SUEWS_OHMCoefficients.txt. |
||
17 |
Code for OHM coefficients to use for this surface during wet conditions in winter, linking to SUEWS_OHMCoefficients.txt. |
||
18 |
Code for OHM coefficients to use for this surface during dry conditions in winter, linking to SUEWS_OHMCoefficients.txt. |
||
19 |
Temperature threshold determining whether summer/winter OHM coefficients are applied [°C] |
||
20 |
Soil moisture threshold determining whether wet/dry OHM coefficients are applied [-] |
||
21 |
Code for ESTM coefficients linking to SUEWS_ESTMCoefficients.txt |
||
22 |
Volumetric heat capacity for this surface to use in AnOHM [J m-3] |
||
23 |
Thermal conductivity for this surface to use in AnOHM [W m K-1] |
||
24 |
Bulk transfer coefficient for this surface to use in AnOHM [-] |
An example SUEWS_NonVeg.txt can be found below:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Code AlbedoMin AlbedoMax Emissivity StorageMin StorageMax WetThreshold StateLimit DrainageEq DrainageCoef1 DrainageCoef2 SoilTypeCode SnowLimPatch SnowLimRemove OHMCode_SummerWet OHMCode_SummerDry OHMCode_WinterWet OHMCode_WinterDry OHMThresh_SW OHMThresh_WD ESTMCode AnOHM_Cp AnOHM_Kk AnOHM_Ch
100 0.09 0.09 0.95 0.48 0.48 0.48 0.48 3 10 3 50 190 40 800 800 800 800 10 0.9 0 2000000 1.2 4 ! PAV Helsinki
150 0.15 0.15 0.91 0.25 0.25 0.25 0.25 3 10 3 60 190 100 750 750 750 750 10 0.9 0 2000000 1.2 4 ! BLDG Helsinki
551 0.1 0.1 0.95 0.48 0.48 0.6 0.48 3 10 3 551 -999 -999 800 800 800 800 10 0.9 0 2000000 1.2 4 ! Paved Swindon Ward et al. (2013)
552 0.12 0.12 0.91 0.25 0.25 0.6 0.25 3 10 3 552 -999 -999 799 799 799 799 10 0.9 0 2000000 1.2 4 ! Bldgs Swindon Ward et al. (2013)
553 0.18 0.18 0.94 0.8 0.8 1 0.8 3 10 3 553 -999 -999 55 55 55 55 10 0.9 809 2000000 1.2 4 ! BSoil Swindon Ward et al. (2013)
661 0.12 0.12 0.95 0.48 0.48 0.48 0.48 3 10 3 661 120 10 800 800 800 800 10 0.9 0 1.5e6 0.1 2 ! Paved London
662 0.15 0.15 0.91 0.25 0.25 0.25 0.25 3 10 3 661 120 8.5 799 799 799 799 10 0.9 0 6000000 1.3 6 ! Bldgs London
663 0.21 0.21 0.93 1 1 1 1 2 0.013 1.71 661 -999 -999 55 55 55 55 10 0.9 809 4000000 1.5 5 ! Bsoil (not used) London
703 0.18 0.18 0.94 0.8 0.8 1 0.8 3 10 3 553 -999 -999 55 55 55 55 10 0.9 809 3500000 1.1 3 ! BSoil UF Fredrik LondonSmall London not used 6
-9
-9