# Contents of /manual/s_ecco/exf.tex

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 1 \section{The external forcing package 2 \label{sectionexf}} 3 4 \subsection{Summary} 5 6 {\footnotesize 7 \begin{verbatim} 8 c Field definitions, units, and sign conventions: 9 c =============================================== 10 c 11 c ustress :: Zonal surface wind stress in N/m^2 12 c > 0 for increase in uVel, which is west to 13 c east for cartesian and spherical polar grids 14 c Typical range: -0.5 < ustress < 0.5 15 c Southwest C-grid U point 16 c Input field 17 c 18 c vstress :: Meridional surface wind stress in N/m^2 19 c > 0 for increase in vVel, which is south to 20 c north for cartesian and spherical polar grids 21 c Typical range: -0.5 < vstress < 0.5 22 c Southwest C-grid V point 23 c Input field 24 c 25 c hflux :: Net upward surface heat flux excluding shortwave in W/m^2 26 c hflux = latent + sensible + lwflux 27 c > 0 for decrease in theta (ocean cooling) 28 c Typical range: -250 < hflux < 600 29 c Southwest C-grid tracer point 30 c Input field 31 c 32 c sflux :: Net upward freshwater flux in m/s 33 c sflux = evap - precip - runoff 34 c > 0 for increase in salt (ocean salinity) 35 c Typical range: -1e-7 < sflux < 1e-7 36 c Southwest C-grid tracer point 37 c Input field 38 c 39 c swflux :: Net upward shortwave radiation in W/m^2 40 c swflux = - ( swdown - ice and snow absorption - reflected ) 41 c > 0 for decrease in theta (ocean cooling) 42 c Typical range: -350 < swflux < 0 43 c Southwest C-grid tracer point 44 c Input field 45 c 46 c uwind :: Surface (10-m) zonal wind velocity in m/s 47 c > 0 for increase in uVel, which is west to 48 c east for cartesian and spherical polar grids 49 c Typical range: -10 < uwind < 10 50 c Southwest C-grid U point 51 c Input or input/output field 52 c 53 c vwind :: Surface (10-m) meridional wind velocity in m/s 54 c > 0 for increase in vVel, which is south to 55 c north for cartesian and spherical polar grids 56 c Typical range: -10 < vwind < 10 57 c Southwest C-grid V point 58 c Input or input/output field 59 c 60 c atemp :: Surface (2-m) air temperature in deg K 61 c Typical range: 200 < atemp < 300 62 c Southwest C-grid tracer point 63 c Input or input/output field 64 c 65 c aqh :: Surface (2m) specific humidity in kg/kg 66 c Typical range: 0 < aqh < 0.02 67 c Southwest C-grid tracer point 68 c Input or input/output field 69 c 70 c lwflux :: Net upward longwave radiation in W/m^2 71 c lwflux = - ( lwdown - ice and snow absorption - emitted ) 72 c > 0 for decrease in theta (ocean cooling) 73 c Typical range: -20 < lwflux < 170 74 c Southwest C-grid tracer point 75 c Input field 76 c 77 c evap :: Evaporation in m/s 78 c > 0 for increase in salt (ocean salinity) 79 c Typical range: 0 < evap < 2.5e-7 80 c Southwest C-grid tracer point 81 c Input, input/output, or output field 82 c 83 c precip :: Precipitation in m/s 84 c > 0 for decrease in salt (ocean salinity) 85 c Typical range: 0 < precip < 5e-7 86 c Southwest C-grid tracer point 87 c Input or input/output field 88 c 89 c runoff :: River and glacier runoff in m/s 90 c > 0 for decrease in salt (ocean salinity) 91 c Typical range: 0 < runoff < ???? 92 c Southwest C-grid tracer point 93 c Input or input/output field 94 c !!! WATCH OUT: Default exf_inscal_runoff !!! 95 c !!! in exf_readparms.F is not 1.0 !!! 96 c 97 c swdown :: Downward shortwave radiation in W/m^2 98 c > 0 for increase in theta (ocean warming) 99 c Typical range: 0 < swdown < 450 100 c Southwest C-grid tracer point 101 c Input/output field 102 c 103 c lwdown :: Downward longwave radiation in W/m^2 104 c > 0 for increase in theta (ocean warming) 105 c Typical range: 50 < lwdown < 450 106 c Southwest C-grid tracer point 107 c Input/output field 108 c 109 c apressure :: Atmospheric pressure field in N/m^2 110 c > 0 for ???? 111 c Typical range: ???? < apressure < ???? 112 c Southwest C-grid tracer point 113 c Input field 114 C 115 C 116 c NOTES: 117 c ====== 118 c 119 c Input and output units and sign conventions can be customized 120 c using variables exf_inscal_* and exf_outscal_*, which are set 121 c by exf_readparms.F 122 c 123 c Output fields fu, fv, Qnet, Qsw, and EmPmR are 124 c defined in FFIELDS.h 125 c 126 c #ifndef SHORTWAVE_HEATING, hflux includes shortwave, 127 c that is, hflux = latent + sensible + lwflux +swflux 128 c 129 c If (EXFwindOnBgrid .EQ. .TRUE.), uwind and vwind are 130 c defined on northeast B-grid U and V points, respectively. 131 c 132 c Arrays *0 and *1 below are used for temporal interpolation. 133 \end{verbatim} 134 } 135