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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 Datathe this 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.
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Specifies the ending time of the simulation in HH[:MM[:SS]]
format.
Output
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Interval
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).
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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 0:15 (15 minutes).
Output Field Type
Specifies the type of the gridded output fields. The possible values are:
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Enables the usage of receptor sites (on or off). When it is enabled the list of receptor sites can be defined via Receptor Names, Receptor Latitudes and Receptor LongitudeLongitudes. The default value is off. For more details about receptor output click here.
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Specifies the list of receptor site latitudes. The default value is an empty list.
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Receptor Longitudes
Specifies the list of receptor site longitudes. The default value is an empty list.
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Specifies the factor by which the time step must be smaller than the Lagrangian time scale (TL). CTL must be >1 for time steps shorter than the Lagrangian time scale. If CTL<0, a purely random walk simulation is done. The default value -45.
Vertical Timestep Reduction
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Enables convection parametrization (on or off). The default value is off.
Output For Each Release
Specified Specifies whether a separate output fields should be generated for each release separately (on or off). When this option is set to off for forward simulations the output fields for a given species contain the sum of all the releases. For backward simulations it must be set to on. The default value is off.
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Enables the domain fill mode. The possible values are as follows:
- no: domain fill is disablednone
- full: in this mode the the particles are not released at specific locations but the 3D-volume of the first release is taken and the particles are uniformly distributed in the volume proportionally to air density. Each particle will receive the same mass, altogether accounting for the total atmospheric mass. Subsequently, particles can move freely in the atmosphere.
- o3_tracer: in this mode domain-filling is to simulate a stratospheric ozone tracer. This option is similar to fill option, but only particles in the stratosphere (defined by PV < 2 pvu) are released.
The default value is none no.
Sensitivity
Enables computing sensitivity to initial conditions in backward simulations. The possible values are none no, mass (mass concentration units) or mixr (mass mixing ratio units). The default value is none.