Main File Atmosphere (_ATM_)
This section describes the different data field stored in the main file for the atmosphere (…_AT_…).
The data stored in the .EDT files are in binary format and can be extracted using LEONARDO or XTract.
←- please scale window for correct formatting ! –>
FIELD | UNIT | MEANING |
---|---|---|
z | m | Model Height of data (Cartesian coo.) |
Classed LAD | - | Classified LAD and ID for buildings (see Remark 1 - ClassLAD) |
Flow u | m/s | Wind Speed u-component |
Flow v | m/s | Wind Speed v-component |
Flow w | m/s | Wind Speed w-component |
Wind Speed | m/s | Total Wind Speed |
Wind Speed Change | % | Change of Wind Speed comp. to inflow |
Wind Direction | deg | Direction of the Wind Flow relative to geographic north |
Pressure Perturb | Pa | Relative Pressure Perturbation |
Pot. Temperature | K | Potential Air Temperature |
Pot. Temperature (Diff K) | K | Potential Air Temperature difference to inflow |
Pot. Temperature Change | K/h | Change of Air Temperature with time (see Remark 2 - Change of Air Temperature) |
Spec. Humidity | g/kg | Specific Humidity Air |
Relative Humidty | % | Relative Humidity of Air |
TKE | m²/s² | Turbulent Kinetic Energy |
Dissipation | m³/s² | Dissipation of TKE |
Vertical Exchange Coef. I. | m²/s | Vertical Turbulent Exchange Coefficient Km |
Horizontal Exchange Coef. | m²/s | Horizontal Turbulent Exchange Coefficient Km |
Absolute LAD | m²/m³ | Leaf Area Density |
Direct SW Radiation | W/m² | Shortwave Direct Radiation (see Remark 3 - Direct Shortwave Radiation) |
Diffuse SW Radiation | W/m² | Shortwave Diffuse Radiation (see Remark 3 - Direct Shortwave Radiation) |
Reflected SW Radiation | W/m² | Shortwave Direct Radiation (see Remark 3 - Direct Shortwave Radiation) |
Longwave Rad. Environment | W/m² | Longwave Radiation received from the environment |
Sky-View-Factor Buildings | - | Sky-View-Factor (only buildings considered) |
Sky-View-Factor Buildings & Vegetation | - | Sky-View-Factor (buildings plus vegetation considered) |
Temperature Flux | K*m/s | Temperature Flux from Vegetation per Unit Leaf Area (see Remark 4 - Flux per Unit Leaf Area) |
Vapour Flux | g/kg*m/s | Vapour Flux from Vegetation per Unit Leaf Area (see Remark 4 - Flux per Unit Leaf Area) |
Water on Leafs | g/m² | Amount of Liquid Water on Leafs |
WallTemp Cellborder x | K | Wall Temperature Wall x-axis (see Knowledgebase - Wall Temperatures) |
WallTemp Cellborder y | K | Wall Temperature Wall y-axis (see Knowledgebase - Wall Temperatures) |
WallTemp Cellborder z | K | Wall Temperature Wall z-axis (see Knowledgebase - Wall Temperatures) |
Leaf Temperature | K | Temperature of Leafs in Grid Box |
Local Mixing Length | m | |
PMV Value | - | PMV value (see [PVM]-Section) |
PPD Value | % | Percentage People Dissatisfied (see [PVM]-Section) |
Mean Radiant Temperature | K | Mean Radiative Temperature |
Gas/Particle Concentration | µg/m³ | Concentration of selected Particle or Gas in microgram |
Gas/Particle Source | µg/s | Emission Rate of Particle or Gas Source in microgram |
Deposition Velocity | mm/s | Deposition Velocity (only at surfaces) |
Total Deposed Mass | µg/m² | Total Amount of Mass Deposed to Ground or Leaf Surface Unit Area since Start (see Remark 5 - Deposed Mass) |
Deposed Mass Time Averaged | µg/(m²s) | Average Amount of Mass deposed per hour (see Remark 5 - Deposed Mass) |
TKE normalised 1D | - | TKE normalised with 1D Profile (E/E_1D) |
Dissipation normalised 1D | - | Dissipation normalised with 1D Profile (Eps/eps_1d) |
Km normalised 1D | - | Vertical Km norm. with 1D Profile (Km/Km_1D) |
TKE Mechnaical Prod | - | Turbulence Production due to Wind Shear (Tensor Deformation) |
Stomata Resistance | m/s | |
CO2 | mg/m³ | CO2 Concentration (if A-gs Model used, see [PLANTMODEL]-Section) |
CO2 | ppm | |
Plant CO2 Flux | mg/kg*m/s | |
Div Rlw Temp Change | K/h | |
Local Mass Budget | µg/(s*m³) |