| 1 | ! (C) Copyright 1988- ECMWF. |
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| 2 | |
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| 3 | ! This software is licensed under the terms of the Apache Licence Version 2.0 |
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| 4 | ! which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. |
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| 5 | |
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| 6 | ! In applying this licence, ECMWF does not waive the privileges and immunities |
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| 7 | ! granted to it by virtue of its status as an intergovernmental organisation |
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| 8 | ! nor does it submit to any jurisdiction. |
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| 9 | |
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| 10 | MODULE YOETHF |
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| 11 | |
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| 12 | USE PARKIND1 , ONLY : JPIM, JPRB |
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| 13 | USE YOMCST , ONLY : RD, RV, RCPD, RLVTT, RLSTT, RLMLT, RTT |
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| 14 | |
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| 15 | IMPLICIT NONE |
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| 16 | |
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| 17 | SAVE |
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| 18 | |
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| 19 | ! ------------------------------------------------------------------ |
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| 20 | !* *YOETHF* DERIVED CONSTANTS SPECIFIC TO ECMWF THERMODYNAMICS |
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| 21 | ! ------------------------------------------------------------------ |
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| 22 | |
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| 23 | REAL(KIND=JPRB), PARAMETER :: R2ES = 611.21_JPRB*RD/RV |
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| 24 | REAL(KIND=JPRB), PARAMETER :: R3LES = 17.502_JPRB |
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| 25 | REAL(KIND=JPRB), PARAMETER :: R3IES = 22.587_JPRB |
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| 26 | REAL(KIND=JPRB), PARAMETER :: R4LES = 32.19_JPRB |
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| 27 | REAL(KIND=JPRB), PARAMETER :: R4IES = -0.7_JPRB |
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| 28 | REAL(KIND=JPRB), PARAMETER :: R5LES = R3LES*(RTT-R4LES) |
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| 29 | REAL(KIND=JPRB), PARAMETER :: R5IES = R3IES*(RTT-R4IES) |
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| 30 | REAL(KIND=JPRB), PARAMETER :: RVTMP2 = 0.0_JPRB |
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| 31 | REAL(KIND=JPRB), PARAMETER :: RHOH2O = 1000.0_JPRB |
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| 32 | REAL(KIND=JPRB), PARAMETER :: R5ALVCP = R5LES*RLVTT/RCPD |
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| 33 | REAL(KIND=JPRB), PARAMETER :: R5ALSCP = R5IES*RLSTT/RCPD |
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| 34 | REAL(KIND=JPRB), PARAMETER :: RALVDCP = RLVTT/RCPD |
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| 35 | REAL(KIND=JPRB), PARAMETER :: RALSDCP = RLSTT/RCPD |
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| 36 | REAL(KIND=JPRB), PARAMETER :: RALFDCP = RLMLT/RCPD |
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| 37 | REAL(KIND=JPRB), PARAMETER :: RTWAT = RTT |
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| 38 | REAL(KIND=JPRB), PARAMETER :: RTBER = RTT-5._JPRB |
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| 39 | REAL(KIND=JPRB), PARAMETER :: RTBERCU = RTT-5.0_JPRB |
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| 40 | REAL(KIND=JPRB), PARAMETER :: RTICE = RTT-23._JPRB |
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| 41 | REAL(KIND=JPRB), PARAMETER :: RTICECU = RTT-23._JPRB |
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| 42 | REAL(KIND=JPRB), PARAMETER :: RTWAT_RTICE_R = 1.0_JPRB/(RTWAT-RTICE) |
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| 43 | REAL(KIND=JPRB), PARAMETER :: RTWAT_RTICECU_R = 1.0_JPRB/(RTWAT-RTICECU) |
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| 44 | REAL(KIND=JPRB), PARAMETER :: RKOOP1 = 2.583_JPRB |
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| 45 | REAL(KIND=JPRB), PARAMETER :: RKOOP2 = 0.48116E-2_JPRB |
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| 46 | |
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| 47 | ! J.-J. MORCRETTE 91/07/14 ADAPTED TO I.F.S. |
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| 48 | |
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| 49 | ! NAME TYPE PURPOSE |
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| 50 | ! ---- ---- ------- |
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| 51 | |
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| 52 | ! *R__ES* REAL *CONSTANTS USED FOR COMPUTATION OF SATURATION |
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| 53 | ! MIXING RATIO OVER LIQUID WATER(*R_LES*) OR |
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| 54 | ! ICE(*R_IES*). |
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| 55 | ! *RVTMP2* REAL *RVTMP2=RCPV/RCPD-1. |
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| 56 | ! *RHOH2O* REAL *DENSITY OF LIQUID WATER. (RATM/100.) |
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| 57 | ! *R5ALVCP* REAL *R5LES*RLVTT/RCPD |
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| 58 | ! *R5ALSCP* REAL *R5IES*RLSTT/RCPD |
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| 59 | ! *RALVDCP* REAL *RLVTT/RCPD |
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| 60 | ! *RALSDCP* REAL *RLSTT/RCPD |
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| 61 | ! *RALFDCP* REAL *RLMLT/RCPD |
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| 62 | ! *RTWAT* REAL *RTWAT=RTT |
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| 63 | ! *RTBER* REAL *RTBER=RTT-0.05 |
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| 64 | ! *RTBERCU REAL *RTBERCU=RTT-5.0 |
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| 65 | ! *RTICE* REAL *RTICE=RTT-0.1 |
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| 66 | ! *RTICECU* REAL *RTICECU=RTT-23.0 |
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| 67 | ! *RKOOP? REAL *CONSTANTS TO DESCRIBE KOOP FORM FOR NUCLEATION |
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| 68 | ! *RTWAT_RTICE_R* REAL *RTWAT_RTICE_R=1./(RTWAT-RTICE) |
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| 69 | ! *RTWAT_RTICECU_R* REAL *RTWAT_RTICECU_R=1./(RTWAT-RTICECU) |
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| 70 | |
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| 71 | ! ---------------------------------------------------------------- |
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| 72 | END MODULE YOETHF |
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