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For this to succeed the size of the box and it's movement direction and movement rate need to be defined. Note that the picture below is only illustrative and the shown box does not reflect the default values set in the model.
[ Picture ]
Namelist control of the perturbation box domain
The parameters of the box are defined in the namelist NAMLHBOX in fort.4.
| Code Block | ||
|---|---|---|
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&NAMLHBOX LBOXMODIFY_CLOUD=true, ! enable cloud scheme T tendency LBOXMODIFY_CONV=true, ! enable convection T tendency LBOXMODIFY_RAD=true, ! enable radiation T tendency ZBOXTIMESTART=0., ! box start time in hours ZBOXTIMEEND=96., ! box end time in hours ZBOXLONWEST=295.7, ! box western longitude boundary in degrees ZBOXLONEAST=305.7, ! box eastern longitude boundary in degrees ZBOXLATSOUTH=28.8, ! box southern latitude boundary in degrees ZBOXLATNORTH=38.8, ! box northern latitude boundary in degrees ZBOXPRESSTOP=20000., ! box top level pressure in Pa (eg. 50000Pa) ZBOXPRESSBOT=90000., ! box bottom level pressure in Pa (eg. 90000Pa) ZBOXDLONBORDER=5., ! box longitude interpolation zone width in degrees ZBOXDLATBORDER=5., ! box latitude interpolation zone width in degrees ZBOXDPRSBORDER=5000., ! box pressure interpolation zone width in Pa ZBOXDLON=-0.667, ! change in box longitude in degrees/hour ZBOXDLAT=0.333, ! change in box latitude in degrees/hour ZBOXVALUE=1.0, ! value of the multiplying factor inside the box / |
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