surrtrf.F90

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SUBROUTINE surrtrf

!     Adapted from Eli J. Mlawer, Atmospheric & Environmental Research.
!     by JJMorcrette, ECMWF
!     ------------------------------------------------------------------

#include "tsmbkind.h"

USE yoerrtrf , ONLY : pref      ,preflog   ,tref

!     ------------------------------------------------------------------

!     These pressures are chosen such that the ln of the first pressure
!     has only a few non-zero digits (i.e. ln(PREF(1)) = 6.96000) and
!     each subsequent ln(pressure) differs from the previous one by 0.2.

IMPLICIT NONE
pref( :) = (/&
    &1.05363e+03_jprb,8.62642e+02_jprb,7.06272e+02_jprb,5.78246e+02_jprb,4.73428e+02_jprb,&
    &3.87610e+02_jprb,3.17348e+02_jprb,2.59823e+02_jprb,2.12725e+02_jprb,1.74164e+02_jprb,&
    &1.42594e+02_jprb,1.16746e+02_jprb,9.55835e+01_jprb,7.82571e+01_jprb,6.40715e+01_jprb,&
    &5.24573e+01_jprb,4.29484e+01_jprb,3.51632e+01_jprb,2.87892e+01_jprb,2.35706e+01_jprb,&
    &1.92980e+01_jprb,1.57998e+01_jprb,1.29358e+01_jprb,1.05910e+01_jprb,8.67114e+00_jprb,&
    &7.09933e+00_jprb,5.81244e+00_jprb,4.75882e+00_jprb,3.89619e+00_jprb,3.18993e+00_jprb,&
    &2.61170e+00_jprb,2.13828e+00_jprb,1.75067e+00_jprb,1.43333e+00_jprb,1.17351e+00_jprb,&
    &9.60789e-01_jprb,7.86628e-01_jprb,6.44036e-01_jprb,5.27292e-01_jprb,4.31710e-01_jprb,&
    &3.53455e-01_jprb,2.89384e-01_jprb,2.36928e-01_jprb,1.93980e-01_jprb,1.58817e-01_jprb,&
    &1.30029e-01_jprb,1.06458e-01_jprb,8.71608e-02_jprb,7.13612e-02_jprb,5.84256e-02_jprb,&
    &4.78349e-02_jprb,3.91639e-02_jprb,3.20647e-02_jprb,2.62523e-02_jprb,2.14936e-02_jprb,&
    &1.75975e-02_jprb,1.44076e-02_jprb,1.17959e-02_jprb,9.65769e-03_jprb/)

preflog( :) = (/&
     &6.9600e+00_jprb, 6.7600e+00_jprb, 6.5600e+00_jprb, 6.3600e+00_jprb, 6.1600e+00_jprb,&
     &5.9600e+00_jprb, 5.7600e+00_jprb, 5.5600e+00_jprb, 5.3600e+00_jprb, 5.1600e+00_jprb,&
     &4.9600e+00_jprb, 4.7600e+00_jprb, 4.5600e+00_jprb, 4.3600e+00_jprb, 4.1600e+00_jprb,&
     &3.9600e+00_jprb, 3.7600e+00_jprb, 3.5600e+00_jprb, 3.3600e+00_jprb, 3.1600e+00_jprb,&
     &2.9600e+00_jprb, 2.7600e+00_jprb, 2.5600e+00_jprb, 2.3600e+00_jprb, 2.1600e+00_jprb,&
     &1.9600e+00_jprb, 1.7600e+00_jprb, 1.5600e+00_jprb, 1.3600e+00_jprb, 1.1600e+00_jprb,&
     &9.6000e-01_jprb, 7.6000e-01_jprb, 5.6000e-01_jprb, 3.6000e-01_jprb, 1.6000e-01_jprb,&
    &-4.0000e-02_jprb,-2.4000e-01_jprb,-4.4000e-01_jprb,-6.4000e-01_jprb,-8.4000e-01_jprb,&
    &-1.0400e+00_jprb,-1.2400e+00_jprb,-1.4400e+00_jprb,-1.6400e+00_jprb,-1.8400e+00_jprb,&
    &-2.0400e+00_jprb,-2.2400e+00_jprb,-2.4400e+00_jprb,-2.6400e+00_jprb,-2.8400e+00_jprb,&
    &-3.0400e+00_jprb,-3.2400e+00_jprb,-3.4400e+00_jprb,-3.6400e+00_jprb,-3.8400e+00_jprb,&
    &-4.0400e+00_jprb,-4.2400e+00_jprb,-4.4400e+00_jprb,-4.6400e+00_jprb/)

!     These are the temperatures associated with the respective 
!     pressures for the MLS standard atmosphere. 
tref( :) = (/&
     &2.9420e+02_jprb, 2.8799e+02_jprb, 2.7894e+02_jprb, 2.6925e+02_jprb, 2.5983e+02_jprb,&
     &2.5017e+02_jprb, 2.4077e+02_jprb, 2.3179e+02_jprb, 2.2306e+02_jprb, 2.1578e+02_jprb,&
     &2.1570e+02_jprb, 2.1570e+02_jprb, 2.1570e+02_jprb, 2.1706e+02_jprb, 2.1858e+02_jprb,&
     &2.2018e+02_jprb, 2.2174e+02_jprb, 2.2328e+02_jprb, 2.2479e+02_jprb, 2.2655e+02_jprb,&
     &2.2834e+02_jprb, 2.3113e+02_jprb, 2.3401e+02_jprb, 2.3703e+02_jprb, 2.4022e+02_jprb,&
     &2.4371e+02_jprb, 2.4726e+02_jprb, 2.5085e+02_jprb, 2.5457e+02_jprb, 2.5832e+02_jprb,&
     &2.6216e+02_jprb, 2.6606e+02_jprb, 2.6999e+02_jprb, 2.7340e+02_jprb, 2.7536e+02_jprb,&
     &2.7568e+02_jprb, 2.7372e+02_jprb, 2.7163e+02_jprb, 2.6955e+02_jprb, 2.6593e+02_jprb,&
     &2.6211e+02_jprb, 2.5828e+02_jprb, 2.5360e+02_jprb, 2.4854e+02_jprb, 2.4348e+02_jprb,&
     &2.3809e+02_jprb, 2.3206e+02_jprb, 2.2603e+02_jprb, 2.2000e+02_jprb, 2.1435e+02_jprb,&
     &2.0887e+02_jprb, 2.0340e+02_jprb, 1.9792e+02_jprb, 1.9290e+02_jprb, 1.8809e+02_jprb,&
     &1.8329e+02_jprb, 1.7849e+02_jprb, 1.7394e+02_jprb, 1.7212e+02_jprb/)

!     -----------------------------------------------------------------
RETURN
END SUBROUTINE surrtrf