Use Case for full volcanic aerosol setup (R02B06)#

Data Download:

Click here (starts download) or use

wget https://swift.dkrz.de/v1/dkrz_4d992e1b-f237-4258-a2bc-138ca6a1cf59/icon-model-use-cases/VOLC_AERO.zip
Input files:
Grid files

VOLC_AERO/icon_grid_0024_R02B06_G.nc: R02B06 grid (40 km effective mesh size), global

VOLC_AERO/icon_grid_0024_R02B06_G-grfinfo.nc: grid information file for R02B06 grid

External parameter files

VOLC_AERO/icon_extpar_0024_R02B06_G_20200917_tiles.nc: External parameter file

Initial conditions

VOLC_AERO/icon_init_0024_R02B06_2019062112.nc: Initial data for June 12, 2019, 12 UTC

Running the test:

Base script exp.testsuite.volc_aero_base: Base for the runscript (contains namelists and skeleton to apply local information) - add pathing information and job-command to create actual runscript

Recommended resources:

32 nodes (128 procs per node)

Estimated runtime (for resources indicated above):

about 20 minutes on LEVANTE at DKRZ

Description#

This use case runs a global ICON-ART (NWP) application with a resolution of about 40 km (R2B06). It employs a volcanic eruption configuration with point source, full aerosol dynamics, multiple modes, mixing states, simplified chemistry and aerosol-radiative-interactions.

Model setup and configuration#

  • Start date: 2019-06-21 12 UTC

  • Forecast length: 1 day

  • Time step: 180 seconds

  • Vertical levels: 90

  • Radiation: Active (inwp_radiation=4, irad_aero=9)

  • Aerosols: Active (lart_aerosol=.TRUE.)

  • Chemistry: Active (lart_chem=.TRUE.)

  • Dynamics: Enabled (ldynamics=.TRUE.)

  • Transport: Enabled (ltransport=.TRUE.)

  • Model type: ATMO

Important remark:#

It is mandatory to set the ECCODES definitions path (including the *.edzw file) before running this experiment. If the path is not available, you can clone the definitions from DWD’s ECCODES repository to your local machine.

Please ensure that the specified path exists on your system.