subroutine gfssflx | ( | integer, intent(in) | nsoil, |
integer, intent(in) | couple, | ||
integer, intent(in) | icein, | ||
real (kind=kind_phys), intent(in) | ffrozp, | ||
real (kind=kind_phys), intent(in) | dt, | ||
real (kind=kind_phys), intent(in) | zlvl, | ||
real (kind=kind_phys), dimension(nsoil), intent(in) | sldpth, | ||
real (kind=kind_phys), intent(in) | swdn, | ||
real (kind=kind_phys), intent(in) | swnet, | ||
real (kind=kind_phys), intent(in) | lwdn, | ||
real (kind=kind_phys), intent(in) | sfcems, | ||
real (kind=kind_phys), intent(in) | sfcprs, | ||
real (kind=kind_phys), intent(in) | sfctmp, | ||
real (kind=kind_phys), intent(in) | sfcspd, | ||
real (kind=kind_phys), intent(in) | prcp, | ||
real (kind=kind_phys), intent(in) | q2, | ||
real (kind=kind_phys), intent(in) | q2sat, | ||
real (kind=kind_phys), intent(in) | dqsdt2, | ||
real (kind=kind_phys), intent(in) | th2, | ||
integer, intent(in) | ivegsrc, | ||
integer, intent(in) | vegtyp, | ||
integer, intent(in) | soiltyp, | ||
integer, intent(in) | slopetyp, | ||
real (kind=kind_phys), intent(in) | shdmin, | ||
real (kind=kind_phys), intent(in) | alb, | ||
real (kind=kind_phys), intent(in) | snoalb, | ||
real (kind=kind_phys), intent(in) | bexpp, | ||
real (kind=kind_phys), intent(in) | xlaip, | ||
logical, intent(in) | lheatstrg, | ||
real (kind=kind_phys), intent(inout) | tbot, | ||
real (kind=kind_phys), intent(inout) | cmc, | ||
real (kind=kind_phys), intent(inout) | t1, | ||
real (kind=kind_phys), dimension(nsoil), intent(inout) | stc, | ||
real (kind=kind_phys), dimension(nsoil), intent(inout) | smc, | ||
real (kind=kind_phys), dimension(nsoil), intent(inout) | sh2o, | ||
real (kind=kind_phys), intent(inout) | sneqv, | ||
real (kind=kind_phys), intent(inout) | ch, | ||
real (kind=kind_phys), intent(inout) | cm, | ||
real (kind=kind_phys) | z0, | ||
integer, intent(out) | nroot, | ||
real (kind=kind_phys), intent(out) | shdfac, | ||
real (kind=kind_phys), intent(out) | snowh, | ||
real (kind=kind_phys), intent(out) | albedo, | ||
real (kind=kind_phys), intent(out) | eta, | ||
real (kind=kind_phys), intent(out) | sheat, | ||
real (kind=kind_phys), intent(out) | ec, | ||
real (kind=kind_phys), intent(out) | edir, | ||
real (kind=kind_phys), dimension(nsoil), intent(out) | et, | ||
real (kind=kind_phys), intent(out) | ett, | ||
real (kind=kind_phys), intent(out) | esnow, | ||
real (kind=kind_phys), intent(out) | drip, | ||
real (kind=kind_phys), intent(out) | dew, | ||
real (kind=kind_phys), intent(out) | beta, | ||
real (kind=kind_phys), intent(out) | etp, | ||
real (kind=kind_phys), intent(out) | ssoil, | ||
real (kind=kind_phys), intent(out) | flx1, | ||
real (kind=kind_phys), intent(out) | flx2, | ||
real (kind=kind_phys), intent(out) | flx3, | ||
real (kind=kind_phys), intent(out) | runoff1, | ||
real (kind=kind_phys), intent(out) | runoff2, | ||
real (kind=kind_phys), intent(out) | runoff3, | ||
real (kind=kind_phys), intent(out) | snomlt, | ||
real (kind=kind_phys), intent(out) | sncovr, | ||
real (kind=kind_phys), intent(out) | rc, | ||
real (kind=kind_phys), intent(out) | pc, | ||
real (kind=kind_phys), intent(out) | rsmin, | ||
real (kind=kind_phys), intent(out) | xlai, | ||
real (kind=kind_phys), intent(out) | rcs, | ||
real (kind=kind_phys), intent(out) | rct, | ||
real (kind=kind_phys), intent(out) | rcq, | ||
real (kind=kind_phys), intent(out) | rcsoil, | ||
real (kind=kind_phys), intent(out) | soilw, | ||
real (kind=kind_phys), intent(out) | soilm, | ||
real (kind=kind_phys), intent(out) | smcwlt, | ||
real (kind=kind_phys), intent(out) | smcdry, | ||
real (kind=kind_phys), intent(out) | smcref, | ||
real (kind=kind_phys), intent(out) | smcmax | ||
) |
The land-surface model component was substantially upgraded from the Oregon State University (OSU) land surface model to EMC's new Noah Land Surface Model (Noah LSM) during the major implementation in the NCEP Global Forecast System (GFS) on May 31, 2005. Forecast System (GFS). The Noah LSM embodies about 10 years of upgrades (see [32], [100], [48]) to its ancestor, the OSU LSM. The Noah LSM upgrade includes:
[in] | nsoil | integer, number of soil layers (>=2 but <=nsold) |
[in] | couple | integer, =0:uncoupled (land model only), =1:coupled with parent atmos model |
[in] | icein | integer, sea-ice flag (=1: sea-ice, =0: land) |
[in] | ffrozp | real, flag for snow-rain detection (1.=snow, 0.=rain) |
[in] | dt | real, time step (<3600 sec) |
[in] | zlvl | real, height abv atmos ground forcing vars ( \(m\)) |
[in] | sldpth | real, thickness of each soil layer ( \(m\)), nsoil |
[in] | swdn | real, downward SW radiation flux ( \(W/m^2\)) |
[in] | swnet | real, downward SW net (dn-up) flux ( \(W/m^2\)) |
[in] | lwdn | real, downward LW radiation flux ( \(W/m^2\)) |
[in] | sfcems | real, sfc LW emissivity (fractional) |
[in] | sfcprs | real, pressure at height zlvl above ground( \(Pa\)) |
[in] | sfctmp | real, air temp at height zlvl above ground ( \(K\)) |
[in] | sfcspd | real, wind speed at height zlvl above ground ( \(m s^{-1}\)) |
[in] | prcp | real, precipitation rate ( \(kgm^{-2}s^{-1}\)) |
[in] | q2 | real, mixing ratio at hght zlvl above ground ( \(kgkg^{-1}\)) |
[in] | q2sat | real, sat mixing ratio at zlvl above ground ( \(kgkg^{-1}\)) |
[in] | dqsdt2 | real, slope of sat specific humidity curve at t=sfctmp ( \(kgkg^{-1}k^{-1}\)) |
[in] | th2 | real, air potential temperature at zlvl above ground ( \(K\)) |
[in] | ivegsrc | integer, sfc veg type data source UMD or IGBP |
[in] | vegtyp | integer, vegetation type (integer index) |
[in] | soiltyp | integer, soil type (integer index) |
[in] | slopetyp | integer, class of sfc slope (integer index) |
[in] | shdmin | real, min areal coverage of green veg (fraction) |
[in] | alb | real, background snow-free sfc albedo (fraction) |
[in] | snoalb | real, max albedo over deep snow (fraction) |
[in] | bexpp | real, perturbation of soil type "b" parameter (perturbation) |
[in] | xlaip | real, perturbation of leave area index (perturbation) |
[in] | lheatstrg | logical, flag for canopy heat storage parameterization |
[in,out] | tbot | real, bottom soil temp ( \(K\)) (local yearly-mean sfc air temp) |
[in,out] | cmc | real, canopy moisture content ( \(m\)) |
[in,out] | t1 | real, ground/canopy/snowpack eff skin temp ( \(K\)) |
[in,out] | stc | real, soil temp ( \(K\)) |
[in,out] | smc | real, total soil moisture (vol fraction) |
[in,out] | sh2o | real, unfrozen soil moisture (vol fraction), note: frozen part = smc-sh2o |
[in,out] | sneqv | real, water-equivalent snow depth ( \(m\)), note: snow density = snwqv/snowh |
[in,out] | ch | real, sfc exchange coeff for heat & moisture ( \(ms^{-1}\)), note: conductance since it's been mult by wind |
[in,out] | cm | real, sfc exchange coeff for momentum ( \(ms^{-1}\)), note: conductance since it's been mult by wind |
[in,out] | z0 | real, roughness length ( \(m\)) |
[out] | nroot | integer, number of root layers |
[out] | shdfac | real, aeral coverage of green veg (fraction) |
[out] | snowh | real, snow depth ( \(m\)) |
[out] | albedo | real, sfc albedo incl snow effect (fraction) |
[out] | eta | real, downward latent heat flux ( \(W/m^2\)) |
[out] | sheat | real, downward sensible heat flux ( \(W/m^2\)) |
[out] | ec | real, canopy water evaporation ( \(W/m^2\)) |
[out] | edir | real, direct soil evaporation ( \(W/m^2\)) |
[out] | et | real, plant transpiration ( \(W/m^2\)) |
[out] | ett | real, total plant transpiration ( \(W/m^2\)) |
[out] | esnow | real, sublimation from snowpack ( \(W/m^2\)) |
[out] | drip | real, through-fall of precip and/or dew in excess of canopy water-holding capacity ( \(m\)) |
[out] | dew | real, dewfall (or frostfall for t<273.15) ( \(m\)) |
[out] | beta | real, ratio of actual/potential evap |
[out] | etp | real, potential evaporation ( \(W/m^2\)) |
[out] | ssoil | real, upward soil heat flux ( \(W/m^2\)) |
[out] | flx1 | real, precip-snow sfc flux ( \(W/m^2\)) |
[out] | flx2 | real, freezing rain latent heat flux ( \(W/m^2\)) |
[out] | flx3 | real, phase-change heat flux from snowmelt ( \(W/m^2\)) |
[out] | runoff1 | real, surface runoff ( \(ms^{-1}\)) not infiltrating sfc |
[out] | runoff2 | real, sub sfc runoff ( \(ms^{-1}\)) (baseflow) |
[out] | runoff3 | real, excess of porosity for a given soil layer |
[out] | snomlt | real, snow melt ( \(m\)) (water equivalent) |
[out] | sncovr | real, fractional snow cover |
[out] | rc | real, canopy resistance (s/m) |
[out] | pc | real, plant coeff (fraction) where pc*etp=transpi |
[out] | rsmin | real, minimum canopy resistance (s/m) |
[out] | xlai | real, leaf area index (dimensionless) |
[out] | rcs | real, incoming solar rc factor (dimensionless) |
[out] | rct | real, air temperature rc factor (dimensionless) |
[out] | rcq | real, atoms vapor press deficit rc factor |
[out] | rcsoil | real, soil moisture rc factor (dimensionless) |
[out] | soilw | real, available soil moisture in root zone |
[out] | soilm | real, total soil column moisture (frozen+unfrozen) ( \(m\)) |
[out] | smcwlt | real, wilting point (volumetric) |
[out] | smcdry | real, dry soil moisture threshold (volumetric) |
[out] | smcref | real, soil moisture threshold (volumetric) |
[out] | smcmax | real, porosity (sat val of soil mois) |
References alcalc(), canres(), physcons::con_cliq, physcons::con_cp, physcons::con_csol, physcons::con_g, physcons::con_hfus, physcons::con_hvap, physcons::con_pi, physcons::con_rd, physcons::con_sbc, physcons::con_t0c, csnow(), nopac(), penman(), redprm(), sfcdif(), snfrac(), snopac(), snow_new(), snowz0(), and tdfcnd().
Referenced by lsm_noah::lsm_noah_run().