This module sets up surface albedo for sw radiation and surface emissivity for lw radiation. More...
This module sets up surface albedo for sw radiation and surface emissivity for lw radiation.
Variables | |
integer, parameter, public | module_radiation_surface::imxems = 360 |
num of longitude points in global emis-type map | |
integer, parameter, public | module_radiation_surface::jmxems = 180 |
num of latitude points in global emis-type map | |
real(kind=kind_phys), parameter | module_radiation_surface::f_zero = 0.0 |
real(kind=kind_phys), parameter | module_radiation_surface::f_one = 1.0 |
real(kind=kind_phys), parameter | module_radiation_surface::rad2dg = 180.0 / con_pi |
integer, dimension(:,:), allocatable | module_radiation_surface::idxems |
global surface emissivity index array | |
integer | module_radiation_surface::iemslw = 0 |
global surface emissivity contrl flag set up in 'sfc_init' | |
subroutine, public | module_radiation_surface::sfc_init |
This subroutine is the initialization program for surface radiation related quantities (albedo, emissivity, etc.) More... | |
subroutine, public | module_radiation_surface::setalb |
This subroutine computes four components of surface albedos (i.e., vis-nir, direct-diffused) according to control flag ialbflg. 1) climatological surface albedo scheme (Briegleb 1992 [5]) 2) MODIS retrieval based scheme from Boston univ. More... | |
subroutine, public | module_radiation_surface::setemis |
This subroutine computes surface emissivity for LW radiation. More... | |
subroutine, public module_radiation_surface::setalb | ( | ) |
This subroutine computes four components of surface albedos (i.e., vis-nir, direct-diffused) according to control flag ialbflg.
1) climatological surface albedo scheme (Briegleb 1992 [5])
2) MODIS retrieval based scheme from Boston univ.
slmsk | (IMAX), sea(0),land(1),ice(2) mask on fcst model grid |
snowf | (IMAX), snow depth water equivalent in mm |
sncovr | (IMAX), snow cover over land |
snoalb | (IMAX), maximum snow albedo over land (for deep snow) |
zorlf | (IMAX), surface roughness in cm |
coszf | (IMAX), cosin of solar zenith angle |
tsknf | (IMAX), ground surface temperature in K |
tairf | (IMAX), lowest model layer air temperature in K |
hprif | (IMAX), topographic sdv in m — for ialbflg=0 climtological albedo scheme — |
alvsf | (IMAX), 60 degree vis albedo with strong cosz dependency |
alnsf | (IMAX), 60 degree nir albedo with strong cosz dependency |
alvwf | (IMAX), 60 degree vis albedo with weak cosz dependency |
alnwf | (IMAX), 60 degree nir albedo with weak cosz dependency — for ialbflg=1 MODIS based land albedo scheme — |
alvsf | (IMAX), visible black sky albedo at zenith 60 degree |
alnsf | (IMAX), near-ir black sky albedo at zenith 60 degree |
alvwf | (IMAX), visible white sky albedo |
alnwf | (IMAX), near-ir white sky albedo |
facsf | (IMAX), fractional coverage with strong cosz dependency |
facwf | (IMAX), fractional coverage with weak cosz dependency |
fice | (IMAX), sea-ice fraction |
tisfc | (IMAX), sea-ice surface temperature |
IMAX | array horizontal dimension |
sfcalb | (IMAX,NF_ALBD), mean sfc albedo ( :, 1) - near ir direct beam albedo ( :, 2) - near ir diffused albedo ( :, 3) - uv+vis direct beam albedo ( :, 4) - uv+vis diffused albedo |
Definition at line 309 of file radiation_surface.f.
References physcons::con_t0c, physcons::con_tice, physcons::con_ttp, and physparam::ialbflg.
Referenced by module_radiation_driver::grrad().
subroutine, public module_radiation_surface::setemis | ( | ) |
This subroutine computes surface emissivity for LW radiation.
xlon | (IMAX), longitude in radiance, ok for both 0->2pi or -pi -> +pi ranges |
xlat | (IMAX), latitude in radiance, default to pi/2 -> -pi/2 range, otherwise see in-line comment |
slmsk | (IMAX), sea(0),land(1),ice(2) mask on fcst model grid |
snowf | (IMAX), snow depth water equivalent in mm |
sncovr | (IMAX), snow cover over land |
zorlf | (IMAX), surface roughness in cm |
tsknf | (IMAX), ground surface temperature in K |
tairf | (IMAX), lowest model layer air temperature in K |
hprif | (IMAX), topographic standard deviation in m |
IMAX | array horizontal dimension |
sfcemis | (IMAX), surface emissivity |
Definition at line 641 of file radiation_surface.f.
References physparam::ialbflg, idxems, iemslw, imxems, and jmxems.
Referenced by module_radiation_driver::grrad().
subroutine, public module_radiation_surface::sfc_init | ( | ) |
This subroutine is the initialization program for surface radiation related quantities (albedo, emissivity, etc.)
me | print control flag |
Definition at line 134 of file radiation_surface.f.
References physparam::ialbflg, idxems, physparam::iemsflg, iemslw, imxems, jmxems, and physparam::semis_file.
Referenced by module_radiation_driver::radinit().