This section describes the different data field stored in the main file for the surface and fluxes at the surface (…_FLX_…).
This file is only two-dimensional with a constant z=0.
The data stored in the .EDT files are in binary format and can be extracted using LEONARDO or XTract.
| FIELD | UNIT | MEANING |
|---|---|---|
| z_topo | m | Absolute Height of Model Ground Surface (always 0 in recent version) |
| T Surface | K | Ground Surface Temperature |
| T Surface Diff | K | Difference of Ground Surface to Reference Surface |
| T Surface Change | K/h | Change of Ground Surface Temperature |
| q Surface | g/kg | Specific Humidity of Surface (availabe vapour) |
| uv Above Surface | m/s | Wind Speed at the First Grid Level above Ground Surface |
| Sensible Heat Flux | W/m² | Sensible Heat Flux into the Air (+: towards air) |
| Exchange Coef. Heat | m²/s | Exchange Coefficient for Heat between Surface and Air |
| Latent Heat Flux | W/m² | Sensible Heat Flux into the Air (+: towards air) |
| Soil Heat Flux | W/m² | Heat Flux into Soil (+: directed towards deeper layers) |
| SW Direct Radiation | W/m² | Direct Shortwave Radiation reaching Ground Surface |
| SW Diffuse Radiation | W/m² | Diffuse Shortwave Radiation reaching Ground Surface |
| Lambert Factor | 0..1 | Value of Lambert's law for Solar Angle |
| Longwave Radiation Bud. | W/m² | Longwave Radiation Budget of Ground Surface |
| Longwave Rad. from Vegetation | W/m² | Longwave Radiation received from Vegetation Layers above (see Remark 1) |
| Longwave Rad. from Environment | W/m² | Longwave Radiation received from Buildings (see Remark 1) |
| Water Flux | g/(m²s) | Water Flux from/to the Ground Surface |
| Sky-View Factor | 0..1 | Sky View Factor for z=0 (buildings only counted) |
| Building Height | m | Height of Building Top (0 if no building assigned) |
| Surface Albedo | 0..1 | Albedo of Ground Surface (see Remark 2) |
| Deposition Speed | mm/s | Deposition Flux of analysed Pollutant Component |
| Mass Deposed | µg/m² | Mass deposed at Ground Surface in µg |