Output Files: Pollutants (_POLU_)

*Work in Progress…*

Dimension Nr Variables Format
Pollutant Data 62 Binary (EDX/EDT)

PollutantData

Contains the pollutant data within the model area for every simulation output. Note that the pollutant data is only written if the model area includes sources.

The pollutant data files are produced each main output interval (default: 60 min) and represent the general state and distribution of the pollutants at the given model time.

Variable list

This list represents the general variable structure. The actual sequence of the variables might differ but the same information is stored in total.

Variable Unit Description
%z cart - Description
Objects - Single object IDs to visualize the model domain. Meaning of the different IDs is stored in LEONARDO Special Layer Definition Files
Flow u m/s Wind speed. Vector component along the West-East axis (+: East, -: West)
Flow v m/s Wind speed. Vector component along the North-South axis (+: South, -: North)
Flow w m/s Wind speed. Vector component along the vertical axis (+: up, -: down)
Wind Speed m/s Wind speed. Vector sum over all 3 axis
Wind Speed Change % Wind speed change in percent referring to the undisturbed inflow profile at the same height level.
Wind Direction deg Wind direction of horizontal component in geographic reference (0: N..90:E..180:S etc)
Pot. Temperature K Potential air temperature at reference (and model default) pressure. For the 3D model, it can be treated like the absolute air temperature
Spec. Humidity g/kg Specific air humidity
Relative Humidity % Relative air humidity (Caution: Depends both on Specific air humidity and air temperature)
Vertical Exchange Coef. Impuls m²/s Calculated vertical exchange coefficient for impulse
Horizontal Exchange Coef. Impuls m²/s Calculated horizontal exchange coefficient for impulse (At the moment for microscale assumed to be equal to the vertical exchange coefficient)
MyPollutant Concentration µg/m³ Local concentration of the user-defined pollutant
MyPollutant Source µg/s Source of the user-defined pollutant
MyPollutant Deposition velocity mm/s Velocity of how fast the user-defined pollutant gets deposited
MyPollutant Total Deposed Mass µg/m² Amount of user-defined pollutant that gets deposited at surface and leaves
MyPollutant Reaction Term - Change in user-defined pollutant due to chemical reactions
NO Concentration µg/m³ Local concentration of NO
NO Source µg/s Source of NO
NO Deposition velocity mm/s Velocity of how fast NO gets deposited
NO Total Deposed Mass µg/m² Amount of NO that gets deposited at surface and leaves
NO Reaction Term - Change in NO due to chemical reactions
NO2 Concentration µg/m³ Local concentration of NO2
NO2 Source µg/s Source of NO2
NO2 Deposition velocity mm/s Velocity of how fast NO2 gets deposited
NO2 Total Deposed Mass µg/m² Amount of NO2 that gets deposited at surface and leaves
NO2 Reaction Term - Change in NO2 due to chemical reactions
Ozone Concentration µg/m³ Local concentration of Ozone
Ozone Source µg/s Source of Ozone
Ozone Deposition velocity mm/s Velocity of how fast Ozone gets deposited
Ozone Total Deposed Mass µg/m² Amount of Ozone that gets deposited at surface and leaves
Ozone Reaction Term - Change in Ozone due to chemical reactions
PMcoarse Concentration µg/m³ Local concentration of PMcoarse
PMcoarse Source µg/s Source of PMcoarse
PMcoarse Deposition velocity mm/s Velocity of how fast PMcoarse gets deposited
PMcoarse Total Deposed Mass µg/m² Amount of PMcoarse that gets deposited at surface and leaves
PMcoarse Reaction Term - Change in PMcoarse due to chemical reactions
PM2.5 Concentration µg/m³ Local concentration of PM2.5
PM2.5 Source µg/s Source of PM2.5
PM2.5 Deposition velocity mm/s Velocity of how fast PM2.5gets deposited
PM2.5 Total Deposed Mass µg/m² Amount of PM2.5that gets deposited at surface and leaves
PM2.5 Reaction Term - Change in PM2.5due to chemical reactions
Isoprene Concentration µg/m³ Local concentration of Isoprene
Isoprene Source µg/s Source of Isoprene
Isoprene Deposition velocity mm/s Velocity of how fast Isoprene gets deposited
Isoprene Total Deposed Mass µg/m² Amount of Isoprene that gets deposited at surface and leaves
Isoprene Reaction Term - Change in Isoprene due to chemical reactions
C5H9O3 Concentration µg/m³ Local concentration of C5H9O3
C5H9O3 Source µg/s Source of C5H9O3
C5H9O3 Deposition velocity mm/s Velocity of how fast C5H9O3 gets deposited
C5H9O3 Total Deposed Mass µg/m² Amount of C5H9O3 that gets deposited at surface and leaves
C5H9O3 Reaction Term - Change in C5H9O3 due to chemical reactions
HO2 Concentration µg/m³ Local concentration of HO2
HO2 Source µg/s Source of HO2
HO2 Deposition velocity mm/s Velocity of how fast HO2 gets deposited
HO2 Total Deposed Mass µg/m² Amount of HO2 that gets deposited at surface and leaves
HO2 Reaction Term - Change in HO2 due to chemical reactions
NOx Concentration µg/m³ Local concentration of NOx
NOx Source µg/s Source of NOx
NOx Deposition velocity mm/s Velocity of how fast NOx gets deposited
NOx Total Deposed Mass µg/m² Amount of NOx that gets deposited at surface and leaves
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