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Last change
on this file was
2006,
checked in by fhourdin, 11 years ago
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Modification de la spécification de la plage de température pour
la phase mixte liquide/glace des nuages.
Contrôle par les paramètres t_glace_min/max, exposant_glace, iflag_t_glace
Modifying the specification of the mixte liquid/ice phase for cloud water.
Jean-Baptiste Madeleine
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Property svn:executable set to
*
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File size:
820 bytes
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| 1 | ! |
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| 2 | ! $Header$ |
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| 3 | ! |
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| 4 | MODULE microphys_mod |
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| 5 | |
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| 6 | CONTAINS |
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| 7 | !******************************************************************* |
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| 8 | |
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| 9 | FUNCTION icefrac_lsc(temp, tmin, tmax, nexpo) |
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| 10 | IMPLICIT NONE |
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| 11 | ! |
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| 12 | ! Compute the ice fraction 1-xliq (see e.g. |
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| 13 | ! Doutriaux-Boucher & Quaas 2004, section 2.2.) |
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| 14 | ! |
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| 15 | ! (JBM 3/14) |
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| 16 | REAL :: icefrac_lsc ! ice fraction |
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| 17 | REAL :: temp ! temperature |
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| 18 | REAL :: tmin ! if T < Tmin, the cloud is only made of water ice |
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| 19 | REAL :: tmax ! if T > Tmax, the cloud is only made of liquid water |
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| 20 | REAL :: nexpo ! controls the sharpness of the transition |
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| 21 | |
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| 22 | icefrac_lsc = 1.0 - (temp-tmin) / (tmax-tmin) |
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| 23 | icefrac_lsc = MIN(MAX(icefrac_lsc,0.0),1.0) |
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| 24 | icefrac_lsc = icefrac_lsc**nexpo |
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| 25 | |
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| 26 | RETURN |
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| 27 | END FUNCTION icefrac_lsc |
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| 28 | |
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| 29 | !******************************************************************* |
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| 30 | ! |
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| 31 | END MODULE microphys_mod |
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