include file: LWFIX3A 1
!     ------------------------------------------------------------------   LWFIX3A.2      
!     MODULE DEFINING OPTIONS TO THE EDWARDS-SLINGO RADIATION CODE         LWFIX3A.3      
!     FIXED IN THE UNIFIED MODEL. OPTIONS FOR LONGWAVE CALCULATIONS.       LWFIX3A.4      
!                                                                          LWFIX3A.5      
!     ALGORITHMIC OPTIONS:                                                 LWFIX3A.6      
      INTEGER                                                              LWFIX3A.7      
     &     ISOLIR_LW                                                       LWFIX3A.8      
!             SPECTRAL REGION                                              LWFIX3A.9      
     &   , I_ANGULAR_INTEGRATION_LW                                        LWFIX3A.10     
!             METHOD OF ANGULAR INTEGRATION                                LWFIX3A.11     
     &   , I_SCATTER_METHOD_LW                                             LWFIX3A.12     
!             TREATMENT OF SCATTERING                                      LWFIX3A.13     
!                                                                          LWFIX3A.14     
      LOGICAL                                                              LWFIX3A.15     
     &     L_LAYER_LW                                                      LWFIX3A.16     
!             FLAG FOR PROPERTIES IN LAYERS                                LWFIX3A.17     
     &   , L_CLOUD_LAYER_LW                                                LWFIX3A.18     
!             FLAG FOR CLOUDY PROPERTIES IN LAYERS                         LWFIX3A.19     
     &   , L_2_STREAM_CORRECT_LW                                           LWFIX3A.20     
!             FLAG FOR CORRECTIONS TO 2-STREAM SCHEME                      LWFIX3A.21     
     &   , L_RESCALE_LW                                                    LWFIX3A.22     
!             FLAG FOR RESCALING OF OPTICAL PROPERTIES                     LWFIX3A.23     
!                                                                          LWFIX3A.24     
!                                                                          LWFIX3A.25     
      PARAMETER(                                                           LWFIX3A.26     
     &     ISOLIR_LW=IP_INFRA_RED                                          LWFIX3A.27     
     &   , I_ANGULAR_INTEGRATION_LW=IP_TWO_STREAM                          LWFIX3A.28     
     &   , I_SCATTER_METHOD_LW=IP_SCATTER_FULL                             LWFIX3A.29     
     &   , L_LAYER_LW=.TRUE.                                               LWFIX3A.30     
     &   , L_CLOUD_LAYER_LW=.TRUE.                                         LWFIX3A.31     
     &   , L_2_STREAM_CORRECT_LW=.FALSE.                                   LWFIX3A.32     
     &   , L_RESCALE_LW=.TRUE.                                             LWFIX3A.33     
     &   )                                                                 LWFIX3A.34     
!                                                                          LWFIX3A.35     
!                                                                          LWFIX3A.36     
!                                                                          LWFIX3A.37     
!     OPTIONS INVOKING PROCESSES:                                          LWFIX3A.38     
!                                                                          LWFIX3A.39     
      LOGICAL                                                              LWFIX3A.40     
     &     L_GAS_LW                                                        LWFIX3A.41     
!             FLAG FOR GASEOUS ABSORPTION                                  LWFIX3A.42     
     &   , L_RAYLEIGH_LW                                                   LWFIX3A.43     
!             FLAG FOR RAYLEIGH SCATTERING                                 LWFIX3A.44     
     &   , L_CONTINUUM_LW                                                  LWFIX3A.45     
!             FLAG FOR CONTINUUM ABSORPTION                                LWFIX3A.46     
     &   , L_CLOUD_LW                                                      LWFIX3A.47     
!             FLAG FOR CLOUDS                                              LWFIX3A.48     
     &   , L_DROP_LW                                                       LWFIX3A.49     
!             FLAG FOR DROPLETS                                            LWFIX3A.50     
     &   , L_ICE_LW                                                        LWFIX3A.51     
!             FLAG FOR ICE CRYSTALS                                        LWFIX3A.52     
     &   , L_AEROSOL_LW                                                    LWFIX3A.53     
!             FLAG FOR AEROSOLS                                            LWFIX3A.54     
     &   , L_AEROSOL_CCN_LW                                                ADB1F401.1254   
!             FLAG TO USE AEROSOLS TO DETERMINE CCN                        ADB1F401.1255   
!                                                                          LWFIX3A.55     
      PARAMETER(                                                           LWFIX3A.56     
     &     L_GAS_LW=.TRUE.                                                 LWFIX3A.57     
     &   , L_RAYLEIGH_LW=.FALSE.                                           LWFIX3A.58     
     &   , L_CONTINUUM_LW=.TRUE.                                           LWFIX3A.59     
     &   , L_CLOUD_LW=.TRUE.                                               LWFIX3A.60     
     &   , L_DROP_LW=.TRUE.                                                LWFIX3A.61     
     &   , L_ICE_LW=.TRUE.                                                 LWFIX3A.62     
     &   , L_AEROSOL_LW=.TRUE.                                             ADB1F401.1256   
     &   , L_AEROSOL_CCN_LW=.TRUE.                                         ADB1F401.1257   
     &   )                                                                 LWFIX3A.64     
!                                                                          LWFIX3A.65     
!     ------------------------------------------------------------------   LWFIX3A.66