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guez |
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module FCTTRE |
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! From phylmd/FCTTRE.inc,v 1.2 2004/06/22 11:45:32 |
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! This COMDECK includes the Thermodynamical functions for the cy39 |
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! ECMWF Physics package. |
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! Consistent with YOMCST Basic physics constants, assuming the |
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! partial pressure of water vapour is given by a first order |
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! Taylor expansion of Qs(T) w.r.t. to Temperature, using constants |
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! in YOETHF |
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implicit none |
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LOGICAL, PARAMETER:: thermcep=.TRUE. |
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contains |
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REAL function FOEEW ( PTARG,PDELARG ) |
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use yoethf, only: R3LES, R3IES, R4LES, R4IES |
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use YOMCST, only: rtt |
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REAL, intent(in):: PTARG, PDELARG |
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!----------------------- |
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FOEEW = EXP ((R3LES*(1.-PDELARG)+R3IES*PDELARG) * (PTARG-RTT) & |
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/ (PTARG-(R4LES*(1.-PDELARG)+R4IES*PDELARG)) ) |
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end function FOEEW |
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!****************************************** |
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REAL function FOEDE(PTARG,PDELARG,P5ARG,PQSARG,PCOARG) |
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use yoethf, only: R4LES, R4IES |
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REAL, intent(in):: PTARG, PDELARG |
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real, intent(in):: P5ARG, PQSARG, PCOARG |
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!----------------------- |
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FOEDE = PQSARG*PCOARG*P5ARG / (PTARG-(R4LES*(1.-PDELARG)+R4IES*PDELARG))**2 |
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end function FOEDE |
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!****************************************** |
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REAL function qsats(ptarg) |
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REAL, intent(in):: PTARG |
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!----------------------- |
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qsats = 100.0 * 0.622 * 10.0 & |
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** (2.07023 - 0.00320991 * ptarg & |
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- 2484.896 / ptarg + 3.56654 * LOG10(ptarg)) |
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end function qsats |
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!****************************************** |
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REAL function qsatl(ptarg) |
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REAL, intent(in):: PTARG |
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!----------------------- |
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qsatl = 100.0 * 0.622 * 10.0 & |
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** (23.8319 - 2948.964 / ptarg & |
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- 5.028 * LOG10(ptarg) & |
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- 29810.16 * EXP( - 0.0699382 * ptarg) & |
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+ 25.21935 * EXP( - 2999.924 / ptarg)) |
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end function qsatl |
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!****************************************** |
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REAL function dqsats(ptarg,pqsarg) |
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use YOMCST, only: RLVTT, rcpd |
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REAL, intent(in):: PTARG, pqsarg |
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!----------------------- |
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dqsats = RLVTT/RCPD*pqsarg * (3.56654/ptarg & |
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+2484.896*LOG(10.)/ptarg**2 & |
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-0.00320991*LOG(10.)) |
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end function dqsats |
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!****************************************** |
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REAL function dqsatl(ptarg,pqsarg) |
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use YOMCST, only: RLVTT, rcpd |
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REAL, intent(in):: PTARG, pqsarg |
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!----------------------- |
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dqsatl = RLVTT/RCPD*pqsarg*LOG(10.)* & |
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(2948.964/ptarg**2-5.028/LOG(10.)/ptarg & |
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+25.21935*2999.924/ptarg**2*EXP(-2999.924/ptarg) & |
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+29810.16*0.0699382*EXP(-0.0699382*ptarg)) |
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end function dqsatl |
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end module FCTTRE |
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