====== Surface/Flux Receptor File: Data ======

This section describes the different data field found in the surface/flux receptor files. Only time series files will be produced for the surface data (see [[Receptor Files]]).

**Data contained in the surface receptor files:**

^FIELD             ^UNIT          ^MEANING^
|Date              |-             |Date of the Model Time (String)|
|Time              |-             |Model Time of Clock at Output (String)|
|modTime           |min           |Model Time in min since Start|
|z                 |m             |Always zero, for compatibility with the other Receptor Files|
|T0                |K             |Surface Temperature|
|dT0/dt            |K/h           |Change in Surface Temperature (see [[Remark 2|Remark 1]])|
|q0                |g/kg          |Surface Humidity|
|uv1               |m/s           |Horizontal Wind Speed above Surface|
|w1                |m/s           |Vertical Component Wind Speed above Surface (positive: upward)|
|T1                |K             |Air Temperature of Grid Point above the Surface|
|H                 |W/m²          |Sensible Heat Flux |
|LE                |W/m²          |Latent Heat Flux|
|G                 |W/m²          |Soil Heat Flux, positive: directed into the soil |
|Km                |m²/s          |Mass Exchange Coefficient at Surface |
|Kh                |m²/s          |Turbulent Exchange Coefficient for Heat at Surface|
|Qkw.Dir           |W/m²          |Max Direct Shortwave Radiation (see [[Remark 3|Remark 2]])|
|Qkw.Dif           |W/m²          |Max Diffuse Shortwave Radiation |
|Qlw.Budg          |W/m²          |Longwave Radiation Budget of Surface|
|Qlw.Surf          |W/m²          |Longwave Emission of Surface|
|Qlw.Sky           |W/m²          |Absorbed Longwave Radiation from the Sky (see [[Remark 1 flux|Remark 3]])|
|Qlw.Leafs         |W/m²          |Absorbed Longwave Radiation from Vegetation (see [[Remark 1 flux|Remark 3]])|
|Qlw.Envir         |W/m²          |Absorbed Longwave Radiation from Environment (Buildings)(see [[Remark 1 flux|Remark 3]])|