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! |
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! $Header: /home/cvsroot/LMDZ4/libf/phylmd/cv_routines.F,v 1.1.1.1 2004/05/19 12:53:08 lmdzadmin Exp $ |
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! |
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SUBROUTINE cv_param(nd) |
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use cvparam |
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implicit none |
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|
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!------------------------------------------------------------ |
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! Set parameters for convectL |
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! (includes microphysical parameters and parameters that |
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! control the rate of approach to quasi-equilibrium) |
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!------------------------------------------------------------ |
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|
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! *** ELCRIT IS THE AUTOCONVERSION THERSHOLD WATER CONTENT (gm/gm) *** |
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! *** TLCRIT IS CRITICAL TEMPERATURE BELOW WHICH THE AUTO- *** |
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! *** CONVERSION THRESHOLD IS ASSUMED TO BE ZERO *** |
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! *** (THE AUTOCONVERSION THRESHOLD VARIES LINEARLY *** |
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! *** BETWEEN 0 C AND TLCRIT) *** |
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! *** ENTP IS THE COEFFICIENT OF MIXING IN THE ENTRAINMENT *** |
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! *** FORMULATION *** |
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! *** SIGD IS THE FRACTIONAL AREA COVERED BY UNSATURATED DNDRAFT *** |
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! *** SIGS IS THE FRACTION OF PRECIPITATION FALLING OUTSIDE *** |
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! *** OF CLOUD *** |
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! *** OMTRAIN IS THE ASSUMED FALL SPEED (P/s) OF RAIN *** |
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! *** OMTSNOW IS THE ASSUMED FALL SPEED (P/s) OF SNOW *** |
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! *** COEFFR IS A COEFFICIENT GOVERNING THE RATE OF EVAPORATION *** |
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! *** OF RAIN *** |
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! *** COEFFS IS A COEFFICIENT GOVERNING THE RATE OF EVAPORATION *** |
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! *** OF SNOW *** |
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! *** CU IS THE COEFFICIENT GOVERNING CONVECTIVE MOMENTUM *** |
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! *** TRANSPORT *** |
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! *** DTMAX IS THE MAXIMUM NEGATIVE TEMPERATURE PERTURBATION *** |
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! *** A LIFTED PARCEL IS ALLOWED TO HAVE BELOW ITS LFC *** |
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! *** ALPHA AND DAMP ARE PARAMETERS THAT CONTROL THE RATE OF *** |
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! *** APPROACH TO QUASI-EQUILIBRIUM *** |
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! *** (THEIR STANDARD VALUES ARE 0.20 AND 0.1, RESPECTIVELY) *** |
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! *** (DAMP MUST BE LESS THAN 1) *** |
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|
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integer nd |
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|
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! noff: integer limit for convection (nd-noff) |
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! minorig: First level of convection |
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|
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noff = 2 |
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minorig = 2 |
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|
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nl=nd-noff |
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nlp=nl+1 |
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nlm=nl-1 |
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|
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elcrit=0.0011 |
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tlcrit=-55.0 |
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entp=1.5 |
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sigs=0.12 |
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sigd=0.05 |
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omtrain=50.0 |
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omtsnow=5.5 |
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coeffr=1.0 |
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coeffs=0.8 |
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dtmax=0.9 |
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! |
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cu=0.70 |
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! |
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betad=10.0 |
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! |
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damp=0.1 |
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alpha=0.2 |
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! |
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delta=0.01 ! cld |
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! |
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return |
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end |