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heimbach |
1.2 |
\section{The external forcing package \texttt{exf} |
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heimbach |
1.1 |
\label{sectionexf}} |
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edhill |
1.3 |
\begin{rawhtml} |
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<!-- CMIREDIR:sectionexf: --> |
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\end{rawhtml} |
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heimbach |
1.1 |
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\subsection{Summary} |
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{\footnotesize |
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\begin{verbatim} |
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c Field definitions, units, and sign conventions: |
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c =============================================== |
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c |
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c ustress :: Zonal surface wind stress in N/m^2 |
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c > 0 for increase in uVel, which is west to |
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c east for cartesian and spherical polar grids |
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c Typical range: -0.5 < ustress < 0.5 |
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c Southwest C-grid U point |
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c Input field |
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c |
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c vstress :: Meridional surface wind stress in N/m^2 |
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c > 0 for increase in vVel, which is south to |
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c north for cartesian and spherical polar grids |
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c Typical range: -0.5 < vstress < 0.5 |
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c Southwest C-grid V point |
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c Input field |
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c |
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c hflux :: Net upward surface heat flux excluding shortwave in W/m^2 |
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c hflux = latent + sensible + lwflux |
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c > 0 for decrease in theta (ocean cooling) |
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c Typical range: -250 < hflux < 600 |
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c Southwest C-grid tracer point |
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c Input field |
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c |
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c sflux :: Net upward freshwater flux in m/s |
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c sflux = evap - precip - runoff |
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c > 0 for increase in salt (ocean salinity) |
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c Typical range: -1e-7 < sflux < 1e-7 |
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c Southwest C-grid tracer point |
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c Input field |
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c |
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c swflux :: Net upward shortwave radiation in W/m^2 |
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c swflux = - ( swdown - ice and snow absorption - reflected ) |
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c > 0 for decrease in theta (ocean cooling) |
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c Typical range: -350 < swflux < 0 |
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c Southwest C-grid tracer point |
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c Input field |
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c |
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c uwind :: Surface (10-m) zonal wind velocity in m/s |
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c > 0 for increase in uVel, which is west to |
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c east for cartesian and spherical polar grids |
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c Typical range: -10 < uwind < 10 |
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c Southwest C-grid U point |
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c Input or input/output field |
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c |
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c vwind :: Surface (10-m) meridional wind velocity in m/s |
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c > 0 for increase in vVel, which is south to |
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c north for cartesian and spherical polar grids |
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c Typical range: -10 < vwind < 10 |
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c Southwest C-grid V point |
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c Input or input/output field |
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c |
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c atemp :: Surface (2-m) air temperature in deg K |
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c Typical range: 200 < atemp < 300 |
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c Southwest C-grid tracer point |
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c Input or input/output field |
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c |
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c aqh :: Surface (2m) specific humidity in kg/kg |
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c Typical range: 0 < aqh < 0.02 |
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c Southwest C-grid tracer point |
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c Input or input/output field |
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c |
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c lwflux :: Net upward longwave radiation in W/m^2 |
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c lwflux = - ( lwdown - ice and snow absorption - emitted ) |
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c > 0 for decrease in theta (ocean cooling) |
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c Typical range: -20 < lwflux < 170 |
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c Southwest C-grid tracer point |
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c Input field |
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c |
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c evap :: Evaporation in m/s |
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c > 0 for increase in salt (ocean salinity) |
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c Typical range: 0 < evap < 2.5e-7 |
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c Southwest C-grid tracer point |
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c Input, input/output, or output field |
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c |
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c precip :: Precipitation in m/s |
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c > 0 for decrease in salt (ocean salinity) |
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c Typical range: 0 < precip < 5e-7 |
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c Southwest C-grid tracer point |
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c Input or input/output field |
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c |
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c runoff :: River and glacier runoff in m/s |
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c > 0 for decrease in salt (ocean salinity) |
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c Typical range: 0 < runoff < ???? |
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c Southwest C-grid tracer point |
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c Input or input/output field |
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c !!! WATCH OUT: Default exf_inscal_runoff !!! |
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c !!! in exf_readparms.F is not 1.0 !!! |
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c |
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c swdown :: Downward shortwave radiation in W/m^2 |
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c > 0 for increase in theta (ocean warming) |
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c Typical range: 0 < swdown < 450 |
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c Southwest C-grid tracer point |
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c Input/output field |
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c |
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c lwdown :: Downward longwave radiation in W/m^2 |
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c > 0 for increase in theta (ocean warming) |
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c Typical range: 50 < lwdown < 450 |
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c Southwest C-grid tracer point |
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c Input/output field |
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c |
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c apressure :: Atmospheric pressure field in N/m^2 |
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c > 0 for ???? |
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c Typical range: ???? < apressure < ???? |
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c Southwest C-grid tracer point |
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c Input field |
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C |
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C |
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c NOTES: |
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c ====== |
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c |
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c Input and output units and sign conventions can be customized |
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c using variables exf_inscal_* and exf_outscal_*, which are set |
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c by exf_readparms.F |
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c |
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c Output fields fu, fv, Qnet, Qsw, and EmPmR are |
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c defined in FFIELDS.h |
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c |
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c #ifndef SHORTWAVE_HEATING, hflux includes shortwave, |
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c that is, hflux = latent + sensible + lwflux +swflux |
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c |
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c If (EXFwindOnBgrid .EQ. .TRUE.), uwind and vwind are |
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c defined on northeast B-grid U and V points, respectively. |
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c |
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c Arrays *0 and *1 below are used for temporal interpolation. |
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\end{verbatim} |
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} |
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