| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/exf/EXF_FIELDS.h,v 1.12 2010/04/26 03:15:23 heimbach Exp $ |
| 2 |
C $Name: $ |
| 3 |
c |
| 4 |
c |
| 5 |
C ================================================================== |
| 6 |
C HEADER exf_fields |
| 7 |
C ================================================================== |
| 8 |
c |
| 9 |
C o Header file for the surface flux data. |
| 10 |
c |
| 11 |
C started: Ralf.Giering@FastOpt.de 25-Mai-2000 |
| 12 |
C changed: field swap in adj. mode; heimbach@mit.edu 10-Jan-2002 |
| 13 |
C included runoff D. Stammer, Nov. 25, 2001 |
| 14 |
C mods for pkg/seaice: menemenlis@jpl.nasa.gov 20-Dec-2002 |
| 15 |
c |
| 16 |
C ================================================================== |
| 17 |
C HEADER exf_fields |
| 18 |
C ================================================================== |
| 19 |
c |
| 20 |
c |
| 21 |
C Field definitions, units, and sign conventions: |
| 22 |
C =============================================== |
| 23 |
c |
| 24 |
C ustress :: Zonal surface wind stress in N/m^2 |
| 25 |
C > 0 for increase in uVel, which is west to |
| 26 |
C east for cartesian and spherical polar grids |
| 27 |
C Typical range: -0.5 < ustress < 0.5 |
| 28 |
C Input field |
| 29 |
c |
| 30 |
C vstress :: Meridional surface wind stress in N/m^2 |
| 31 |
C > 0 for increase in vVel, which is south to |
| 32 |
C north for cartesian and spherical polar grids |
| 33 |
C Typical range: -0.5 < vstress < 0.5 |
| 34 |
C Input field |
| 35 |
c |
| 36 |
C hflux :: Net upward surface heat flux excluding shortwave in W/m^2 |
| 37 |
C hflux = latent + sensible + lwflux + swflux |
| 38 |
C > 0 for decrease in theta (ocean cooling) |
| 39 |
C Typical range: -250 < hflux < 600 |
| 40 |
C Input field |
| 41 |
c |
| 42 |
C sflux :: Net upward freshwater flux in m/s |
| 43 |
C sflux = evap - precip - runoff |
| 44 |
C > 0 for increase in salt (ocean salinity) |
| 45 |
C Typical range: -1e-7 < sflux < 1e-7 |
| 46 |
C Input field |
| 47 |
c |
| 48 |
C swflux :: Net upward shortwave radiation in W/m^2 |
| 49 |
C swflux = - ( swdown - ice and snow absorption - reflected ) |
| 50 |
C > 0 for decrease in theta (ocean cooling) |
| 51 |
C Typical range: -350 < swflux < 0 |
| 52 |
C Input field |
| 53 |
c |
| 54 |
C uwind :: Surface (10-m) zonal wind velocity in m/s |
| 55 |
C > 0 for increase in uVel, which is west to |
| 56 |
C east for cartesian and spherical polar grids |
| 57 |
C Typical range: -10 < uwind < 10 |
| 58 |
C Input or input/output field |
| 59 |
c |
| 60 |
C vwind :: Surface (10-m) meridional wind velocity in m/s |
| 61 |
C > 0 for increase in vVel, which is south to |
| 62 |
C north for cartesian and spherical polar grids |
| 63 |
C Typical range: -10 < vwind < 10 |
| 64 |
C Input or input/output field |
| 65 |
c |
| 66 |
C wspeed :: Surface (10-m) wind speed in m/s |
| 67 |
C >= 0 sqrt(u^2+v^2) |
| 68 |
C Typical range: 0 < wspeed < 10 |
| 69 |
C Input or input/output field |
| 70 |
c |
| 71 |
C atemp :: Surface (2-m) air temperature in deg K |
| 72 |
C Typical range: 200 < atemp < 300 |
| 73 |
C Input or input/output field |
| 74 |
c |
| 75 |
C aqh :: Surface (2m) specific humidity in kg/kg |
| 76 |
C Typical range: 0 < aqh < 0.02 |
| 77 |
C Input or input/output field |
| 78 |
c |
| 79 |
C lwflux :: Net upward longwave radiation in W/m^2 |
| 80 |
C lwflux = - ( lwdown - ice and snow absorption - emitted ) |
| 81 |
C > 0 for decrease in theta (ocean cooling) |
| 82 |
C Typical range: -20 < lwflux < 170 |
| 83 |
C Input field |
| 84 |
c |
| 85 |
C evap :: Evaporation in m/s |
| 86 |
C > 0 for increase in salt (ocean salinity) |
| 87 |
C Typical range: 0 < evap < 2.5e-7 |
| 88 |
C Input, input/output, or output field |
| 89 |
c |
| 90 |
C precip :: Total Precipitation (rain+snow) in m/s of liquid water |
| 91 |
C > 0 for decrease in salt (ocean salinity) |
| 92 |
C Typical range: 0 < precip < 5e-7 |
| 93 |
C Input or input/output field |
| 94 |
c |
| 95 |
C snowprecip :: snow precipitation in m/s of equivalent liquid water |
| 96 |
C > 0 for decrease in salt (ocean salinity) |
| 97 |
C Typical range: 0 < precip < 5e-7 |
| 98 |
C Input or input/output field |
| 99 |
c |
| 100 |
C runoff :: River and glacier runoff in m/s |
| 101 |
C > 0 for decrease in salt (ocean salinity) |
| 102 |
C Typical range: 0 < runoff < ???? |
| 103 |
C Input or input/output field |
| 104 |
c |
| 105 |
C swdown :: Downward shortwave radiation in W/m^2 |
| 106 |
C > 0 for increase in theta (ocean warming) |
| 107 |
C Typical range: 0 < swdown < 450 |
| 108 |
C Input/output field |
| 109 |
c |
| 110 |
C lwdown :: Downward longwave radiation in W/m^2 |
| 111 |
C > 0 for increase in theta (ocean warming) |
| 112 |
C Typical range: 50 < lwdown < 450 |
| 113 |
C Input/output field |
| 114 |
c |
| 115 |
C apressure :: Atmospheric pressure field in N/m^2 |
| 116 |
C > 0 for ???? |
| 117 |
C Typical range: ???? < apressure < ???? |
| 118 |
C Input field |
| 119 |
c |
| 120 |
C hs :: sensible heat flux into ocean in W/m^2 |
| 121 |
C > 0 for increase in theta (ocean warming) |
| 122 |
c |
| 123 |
C hl :: latent heat flux into ocean in W/m^2 |
| 124 |
C > 0 for increase in theta (ocean warming) |
| 125 |
c |
| 126 |
c |
| 127 |
C NOTES: |
| 128 |
C ====== |
| 129 |
c |
| 130 |
C By default all surface forcing fields are defined at the center |
| 131 |
C of each grid (the rVel location in model/inc/GRID.h) unless |
| 132 |
C flags readStressOnAgrid or readStressOnCgrid are set. |
| 133 |
c |
| 134 |
C Input and output units and sign conventions can be customized |
| 135 |
C using variables exf_inscal_* and exf_outscal_*, which are set |
| 136 |
C by exf_readparms.F |
| 137 |
c |
| 138 |
C Output fields fu, fv, Qnet, Qsw, and EmPmR are |
| 139 |
C defined in FFIELDS.h |
| 140 |
c |
| 141 |
C Arrays *0 and *1 below are used for temporal interpolation. |
| 142 |
c |
| 143 |
|
| 144 |
COMMON /exf_stress_r/ ustress, vstress |
| 145 |
_RL ustress (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 146 |
_RL vstress (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 147 |
COMMON /exfl_ustress_r/ ustress0, ustress1 |
| 148 |
_RL ustress0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 149 |
_RL ustress1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 150 |
COMMON /exfl_vstress_r/ vstress0, vstress1 |
| 151 |
_RL vstress0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 152 |
_RL vstress1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 153 |
|
| 154 |
COMMON /exf_wspeed_r/ wspeed |
| 155 |
_RL wspeed (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 156 |
COMMON /exfl_wspeed_r/ wspeed0, wspeed1 |
| 157 |
_RL wspeed0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 158 |
_RL wspeed1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 159 |
|
| 160 |
COMMON /exf_atm_wind_r/ uwind, vwind |
| 161 |
_RL uwind (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 162 |
_RL vwind (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 163 |
COMMON /exfl_uwind_r/ uwind0, uwind1 |
| 164 |
_RL uwind0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 165 |
_RL uwind1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 166 |
COMMON /exfl_vwind_r/ vwind0, vwind1 |
| 167 |
_RL vwind0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 168 |
_RL vwind1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 169 |
|
| 170 |
COMMON /exf_hsflux_r/ hflux, sflux |
| 171 |
_RL hflux (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 172 |
_RL sflux (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 173 |
COMMON /exfl_hflux_r/ hflux0, hflux1 |
| 174 |
_RL hflux0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 175 |
_RL hflux1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 176 |
COMMON /exfl_sflux_r/ sflux0, sflux1 |
| 177 |
_RL sflux0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 178 |
_RL sflux1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 179 |
|
| 180 |
#ifdef ALLOW_ATM_TEMP |
| 181 |
COMMON /exf_atm_temp_r/ atemp, aqh, lwflux, precip, snowprecip |
| 182 |
_RL atemp (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 183 |
_RL aqh (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 184 |
_RL lwflux (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 185 |
_RL precip (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 186 |
_RL snowprecip (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 187 |
COMMON /exfl_atemp_r/ atemp0, atemp1 |
| 188 |
_RL atemp0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 189 |
_RL atemp1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 190 |
COMMON /exfl_aqh_r/ aqh0, aqh1 |
| 191 |
_RL aqh0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 192 |
_RL aqh1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 193 |
COMMON /exfl_lwflux_r/ lwflux0, lwflux1 |
| 194 |
_RL lwflux0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 195 |
_RL lwflux1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 196 |
COMMON /exfl_precip_r/ precip0, precip1 |
| 197 |
_RL precip0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 198 |
_RL precip1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 199 |
COMMON /exfl_snowprecip_r/ snowprecip0, snowprecip1 |
| 200 |
_RL snowprecip0(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 201 |
_RL snowprecip1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 202 |
COMMON /exfl_turb_r/ hs, hl |
| 203 |
_RL hs (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 204 |
_RL hl (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 205 |
#endif |
| 206 |
|
| 207 |
C wStress :: wind-stress magnitude [Pa=N/m^2], @ grid-cell center |
| 208 |
C sh :: wind-speed [m/s] (always larger than uMin) |
| 209 |
COMMON /exfl_wind_r/ wStress, cw, sw, sh |
| 210 |
_RL wStress (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 211 |
_RL cw (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 212 |
_RL sw (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 213 |
_RL sh (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 214 |
|
| 215 |
#if defined(ALLOW_ATM_TEMP) || defined(SHORTWAVE_HEATING) |
| 216 |
COMMON /exf_swflux_r/ swflux |
| 217 |
_RL swflux (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 218 |
COMMON /exfl_swflux_r/ swflux0, swflux1 |
| 219 |
_RL swflux0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 220 |
_RL swflux1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 221 |
#endif |
| 222 |
|
| 223 |
#if defined(ALLOW_ATM_TEMP) || defined(EXF_READ_EVAP) |
| 224 |
COMMON /exf_evap/ evap |
| 225 |
_RL evap (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 226 |
COMMON /exfl_evap_r/ evap0, evap1 |
| 227 |
_RL evap0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 228 |
_RL evap1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 229 |
#endif |
| 230 |
|
| 231 |
#ifdef ALLOW_DOWNWARD_RADIATION |
| 232 |
COMMON /exf_rad_down_r/ |
| 233 |
& swdown, lwdown, swdown0, swdown1, lwdown0, lwdown1 |
| 234 |
_RL swdown (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 235 |
_RL lwdown (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 236 |
_RL swdown0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 237 |
_RL swdown1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 238 |
_RL lwdown0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 239 |
_RL lwdown1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 240 |
#ifdef ALLOW_ZENITHANGLE |
| 241 |
C--- COMMON /exf_zenith_angle_r/ |
| 242 |
C zen_albedo_table :: reference table of daily mean albedo |
| 243 |
C zen_albedo_pointer :: location of grid point in zen_albedo_table |
| 244 |
C zen_albedo :: overall albedo (direct=f(zen) + diffus=cst) |
| 245 |
C zen_fsol_diurnal :: incoming solar radiation (daily variable) |
| 246 |
C zen_fsol_daily :: incoming solar radiation (daily mean) |
| 247 |
COMMON /exf_zenith_angle_r/ |
| 248 |
& zen_albedo_table, zen_albedo_pointer, |
| 249 |
& zen_albedo, zen_fsol_diurnal, zen_fsol_daily |
| 250 |
_RL zen_albedo_table (366,181) |
| 251 |
_RL zen_albedo_pointer (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 252 |
_RL zen_albedo (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 253 |
_RL zen_fsol_diurnal (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 254 |
_RL zen_fsol_daily (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 255 |
#endif |
| 256 |
#endif |
| 257 |
|
| 258 |
#ifdef ATMOSPHERIC_LOADING |
| 259 |
COMMON /exf_apressure_r/ apressure, apressure0, apressure1 |
| 260 |
_RL apressure (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 261 |
_RL apressure0(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 262 |
_RL apressure1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 263 |
#endif |
| 264 |
|
| 265 |
#ifdef ALLOW_RUNOFF |
| 266 |
COMMON /exfl_runoff_r/ runoff, runoff0, runoff1 |
| 267 |
_RL runoff (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 268 |
_RL runoff0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 269 |
_RL runoff1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 270 |
#endif |
| 271 |
|
| 272 |
#ifdef ALLOW_ICE_AREAMASK |
| 273 |
COMMON /exf_ice_areamask_r/ areamask, |
| 274 |
& areamask0, areamask1 |
| 275 |
_RL areamask (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 276 |
_RL areamask0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 277 |
_RL areamask1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 278 |
#endif |
| 279 |
|
| 280 |
#ifdef ALLOW_CLIMSST_RELAXATION |
| 281 |
COMMON /exf_clim_sst_r/ climsst, |
| 282 |
& climsst0, climsst1 |
| 283 |
_RL climsst (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 284 |
_RL climsst0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 285 |
_RL climsst1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 286 |
#endif |
| 287 |
|
| 288 |
#ifdef ALLOW_CLIMSSS_RELAXATION |
| 289 |
COMMON /exf_clim_sss_r/ climsss, |
| 290 |
& climsss0, climsss1 |
| 291 |
_RL climsss (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 292 |
_RL climsss0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 293 |
_RL climsss1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 294 |
#endif |
| 295 |
|
| 296 |
#ifdef ALLOW_CLIMSTRESS_RELAXATION |
| 297 |
COMMON /exf_clim_stress_r/ |
| 298 |
& climustr, climvstr, |
| 299 |
& climustr0, climustr1, |
| 300 |
& climvstr0, climvstr1 |
| 301 |
_RL climustr (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 302 |
_RL climustr0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 303 |
_RL climustr1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 304 |
_RL climvstr (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 305 |
_RL climvstr0 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 306 |
_RL climvstr1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 307 |
#endif |
| 308 |
|
Parent Directory
| 
Revision Log
| 
Revision Graph