Model input and output, performance measures and modifications in the source code for PALM simulations on Mäkelänkatu in Helsinki, Finland

This dataset is for air quality simulations conducted on Mäkelänkatu in Helsinki, Finland, using the PALM model system 6.0.

By default, simulations use modelled data as boundary conditions. This includes modelled meteorological data from MEPS (MetCoOp Ensemble Prediction System) and air pollutant background concentrations from the ADCHEM model. Alternatively, measured meteorology from the Kivenlahti mast in Espoo, Finland, and aerosol size distribution from the SMEAR III station in Kumpula, Helsinki, is applied.

Simulations:

9 June morning:

0609_morning: use modelled boundary conditions for meteorology and air pollutants

0609_morning_allmet_smear: use measured boundary conditions for meteorology and aerosol size distribution

0609_morning_smear: use modelled boundary conditions for meteorology and measured for aerosol size distribution

0609_morning_wd_smear: use modelled boundary conditions for meteorology, but modify the wind direction by using the measured wind direction at Kivenlahti. For aerosol size distribution, use the measured boundary conditions.

0609_morning_wdk_smear: use modelled boundary conditions for meteorology, but modify the wind direction by using the measured wind direction at SMEAR III. For aerosol size distribution, use the measured boundary conditions.

precursor_0609_morning: precursor with modelled boundary conditions for meteorology

precursor_0609_morning_allmet: precursor with measured boundary conditions for meteorology

precursor_0609_morning_wd: precursor with modelled boundary conditions, but the wind direction is modified by using the measured wind direction at Kivenlahti.

precursor_0609_morning_wdk: precursor with modelled boundary conditions, but the wind direction is modified by using the measured wind direction at SMEAR III.

9 June evening:

0609_evening: use modelled boundary conditions for meteorology and air pollutants

0609_evening_allmet_smear: use measured boundary conditions for meteorology and aerosol size distribution

precursor_0609_evening: precursor with modelled boundary conditions for meteorology

precursor_0609_evening_allmet: precursor with measured boundary conditions for meteorology

12 December morning:

1207_morning: use modelled boundary conditions for meteorology and air pollutants

1207_morning_allmet_smear: use measured boundary conditions for meteorology and aerosol size distribution 

precursor_1207_morning: precursor with modelled boundary conditions for meteorology

precursor_1207_morning_allmet: precursor with measured boundary conditions for meteorology

Datasets are given separately for the root (no suffix), parent (suffix _N02) and child (_N03) domain. The content is following:

input_monitoring_output_usercode

Input data

_chemistry: emission data for gases

_dynamic: initialisation and forcing data for meteorological variables and air pollutants

_p3d: parameter file for model steering

_salsa: emission data for aerosol particles

_static: topography information

Simulation performance information

_cpu: information on the CPU time consumed

_header: information about the selected model parameters

_rc: time step control output

Output data

_av_masked_N03_M01.nc: temporally averaged wind speed data close to the ground

_av_masked_N03_M04.nc: temporally averaged aerosol particle concentration data close to the ground

_av_masked_N03_M06.nc: temporally averaged aerosol particle concentration data in a vertical column next to the air quality monitoring station on Mäkelänkatu

_av_masked_N03_M07.nc: temporally averaged aerosol particle concentration data in a vertical column on the other side of the street from the air quality monitoring station on Mäkelänkatu

_pr.nc: temporally vertical profile data on meteorological variables

_ts.nc: flow statistics data

Modifications made to the source code (PALM revision, https://palm.muk.uni-hannover.de/trac/browser?rev=4416, last access: 10 Sept 2019)

chem_gasphase_mod.f90: chemical mechanism salsa+simple

chem_emissions_mod.f90 (modifications indicated with "MONA")

user_module.f90 (modification listed under "Current revisions")

Makefile (modification listed under "Current revisions")

See the PALM model webpage (https://palm.muk.uni-hannover.de) for details.