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This icon define release conditions for the runs the FLEXPART Lagrangian particle dispersion model. For help on editing icons, please see Editing Icons.

The macro language equivalent is flexpart_release().

The FLEXPART Release Editor

All the date parameters used for FLEXPART Run have yyyymmdd format. Relative dates are allowed: e.g. -1 means yesterday, 0 means today, etc.                   

Name

Specifies the location of the output data files. Both an absolute and relative path can be given here.

Input Data

Specifies the location of the input data files and the AVAILABLE file using a FLEXPART Prepare icon. Please note that if an icon is  set here it takes preference over the path specified in Input Path.

Input Path

Specifies the location of the input data files and the AVAILABLE file. Both an absolute and relative path can be given here. Please note that when an icon is specified in Input Data the path specified here is ignored.

User Exe Path

Specifies a user defined FLEXPART executable. Both absolute and relative path can be given here. If it is left blank (this is the default) Metview will use the MV_FLEXPART_EXE environment variable to locate the executable.

User Resources Path

Specifies the location of the user defined parameter files (IGBP_int1.dat, OH_7lev_agl.dat, surfdata.t, surfdepo.t ) needed to run FLEXPART. Both an absolute and relative path can be given here. If it is left blank (this is the default) Metview will use the MV_FLEXPART_RESOURCES environment variable to locate the resources

Simulation Direction

Specifies the FLEXPART simulation direction in time. The possible values are: Forward and Backward. The default value is Forward.

Starting Date

Specifies the beginning date of the simulation in YYYYMMDD format.  Relative dates with respect to the run date of the FLEXPART simulation (defined by parameter Starting Date in FLEXPART Run) are allowed: e.g. 0 means run date, 1 means the day after the run date, etc.   

Starting Time

Specifies the beginning time of the simulation in HH[:MM[:SS]] format. 

Ending Date

Specifies the ending date of the simulation in YYYYMMDD format.   Relative dates are allowed: e.g. -1 means yesterday, 0 means today, etc.   

Ending Time

Specifies the ending time of the simulation in HH[:MM[:SS]] format. 

Output Rate

Specifies the frequency for the output generation. The output is averaged over the period given in Output Averaging Interval. The format is HHHH[:MM[:SS]]. The default value is 3 (hours).

Output Averaging Interval

Specifies the averaging interval for the output generation in HHHH[:MM[:SS]] format.  If 0 is given here instantaneous values are written into the output files. The default value is 3 (hours).

Output Sampling Rate

Specifies the sampling rate used for the averaging of the output. This period must be shorter than the Output Averaging Interval. The format is HHHH[:MM[:SS]]. The default value is 1 (hour).

Output Field Type

Specifies the type of the gridded output fields. The possible values are:

  • none (no gridded output)
  • conc (concentration)
  • mixr (mass mixing ratio)
  • both (concentration and mass
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