GFS Operational Physics Documentation  Revision: 81451

This module sets up absorption coefficients for band 13: 2080-2250 cm-1 (low - h2o, n2o; high - /) More...

Variables

integer, public msa13
 msa13=585
 
minor gas mapping level:
integer, public msf13
 msf13=10
 
integer, public mfr13
 mfr13=4
 
integer, public maf13
 maf13=9
 
integer, public mmo13
 mmo13=19
 
real(kind=kind_phys), dimension(ng13, msa13), public absa
 the array absa(NG13,585) = ka(NG13,9,5,13) contains absorption coefs at the NG13=4 g-intervals for a range of pressure levels > ~100mb, temperatures, and ratios of water vapor to co2. the first index in the array, js, runs from 1 to 9, and corresponds to different column amount ratios, as expressed through the binary species parameter eta, defined as eta = gas1/(gas1+(rat)*gas2), where rat is the ratio of the reference mls column amount value of gas1 to that of gas2. the 2nd index in the array, jt, which runs from 1 to 5, corresponds to different temperatures. more specifically, jt = 1-5 means that the data are for the corresponding temperature of tref-30, tref-15, tref, tref+15, and tref+30, respectively. the third index, jp, runs from 1 to 13 and refers to the reference pressure level (e.g. jp = 1 is for a pressure of 1053.63 mb). the fourth index, ig, goes from 1 to NG13=4, and tells us which g-interval the absorption coefficients are for.
 
real(kind=kind_phys), dimension(ng13, mfr13), public forref
 the array forref contains the coefficient of the water vapor foreign-continuum (including the energy term). the first index refers to reference temperature (296,260,224,260) and pressure (970,475,219,3 mbar) levels. the second index runs over the g-channel (1 to NG13=4).
 
real(kind=kind_phys), dimension(ng13, msf13), public selfref
 the array selfref contains the coefficient of the water vapor self-continuum (including the energy term). the first index refers to temperature in 7.2 degree increments. for instance, jt = 1 refers to a temperature of 245.6, jt = 2 refers to 252.8, etc. the second index runs over the g-channel (1 to NG13=4).
 
real(kind=kind_phys), dimension(ng13, maf13), public fracrefa
 planck fraction mapping level : p=473.4280 mb, t = 259.83 k
 
real(kind=kind_phys), dimension(ng13), public fracrefb
 planck fraction mapping level : p=4.758820 mb, t = 250.85 k
 
real(kind=kind_phys), dimension(ng13, maf13, mmo13), public ka_mco2
 the array ka_mxxx contains the absorption coefficient for a minor species at the NG13=4 chosen g-values for a reference pressure level below 100~ mb. the first index in the array, js, runs from 1 to 9, and corresponds to different gas column amount ratios, as expressed through the binary species parameter eta, defined as eta = gas1/(gas1 + (rat) * gas2), where rat is the ratio of the reference mls column amount value of gas1 to that of gas2. the second index refers to temperature in 7.2 degree increments. for instance, jt = 1 refers to a temperature of 188.0, jt = 2 refers to 195.2, etc. the third index runs over the g-channel (1 to NG13=4).
 
real(kind=kind_phys), dimension(ng13, maf13, mmo13), public ka_mco
 
real(kind=kind_phys), dimension(ng13, mmo13), public kb_mo3
 

Detailed Description

This module sets up absorption coefficients for band 13: 2080-2250 cm-1 (low - h2o, n2o; high - /)