Automated Multiple Trajectory or Dispersion Simulations

This special menu can be used for either trajectory or dispersion simulations to run multiple simulations for one month. The script will replace the starting day and hour in the CONTROL file with values generated in the script from the menu shown below. In this example the model will be run four times a day (at 0, 6, 12, and 18 UTC) for each day from 1 through 31. Note that the delta-hour field is just treated as a string and can be replaced with any sequence of starting hours. The model output files are named according to the fields set in the control file and namelist file menus, but are appended with the four digit day and hour field. This approach differs from a single simulation with multiple starting times in that each simulation is independent and a new output file is created for each run.

The model should be configured and run for one simulation time through the standard run menu to insure that the simulation is configured correctly. If part of the simulation requires meteorological data from the previous month or the next month, these should be included in the base simulation.



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