/[MITgcm]/manual/s_phys_pkgs/text/fizhi.tex
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revision 1.14 by molod, Wed Apr 5 03:35:15 2006 UTC revision 1.16 by edhill, Wed Jun 28 15:12:14 2006 UTC
# Line 748  sun), the greenness fraction, the vegeta Line 748  sun), the greenness fraction, the vegeta
748  Modifications are made to account for the presence of snow, and its depth relative  Modifications are made to account for the presence of snow, and its depth relative
749  to the height of the vegetation elements.  to the height of the vegetation elements.
750    
751  \paragraph{Gravity Wave Drag}:  \paragraph{Gravity Wave Drag}
752    
753  The fizhi package employs the gravity wave drag scheme of \cite{zhouetal:95}).  The fizhi package employs the gravity wave drag scheme of \cite{zhouetal:95}).
754  This scheme is a modified version of Vernekar et al. (1992),  This scheme is a modified version of Vernekar et al. (1992),
# Line 833  The sub-grid scale variance is construct Line 833  The sub-grid scale variance is construct
833  \paragraph{Upper Level Moisture}  \paragraph{Upper Level Moisture}
834  The fizhi package uses climatological water vapor data above 100 mb from the Stratospheric Aerosol and Gas  The fizhi package uses climatological water vapor data above 100 mb from the Stratospheric Aerosol and Gas
835  Experiment (SAGE) as input into the model's radiation packages.  The SAGE data is archived  Experiment (SAGE) as input into the model's radiation packages.  The SAGE data is archived
836  as monthly zonal means at 5$^\circ$ latitudinal resolution.  The data is interpolated to the  as monthly zonal means at $5^\circ$ latitudinal resolution.  The data is interpolated to the
837  model's grid location and current time, and blended with the GCM's moisture data.  Below 300 mb,  model's grid location and current time, and blended with the GCM's moisture data.  Below 300 mb,
838  the model's moisture data is used.  Above 100 mb, the SAGE data is used.  Between 100 and 300 mb,  the model's moisture data is used.  Above 100 mb, the SAGE data is used.  Between 100 and 300 mb,
839  a linear interpolation (in pressure) is performed using the data from SAGE and the GCM.  a linear interpolation (in pressure) is performed using the data from SAGE and the GCM.
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