phylmd/CV_routines/cv_param.f90

!
! $Header: /home/cvsroot/LMDZ4/libf/phylmd/cv_routines.F,v 1.1.1.1 2004/05/19 12:53:08 lmdzadmin Exp $
!
      SUBROUTINE cv_param(nd)
            use cvparam
      implicit none

!------------------------------------------------------------
! Set parameters for convectL
! (includes microphysical parameters and parameters that
!  control the rate of approach to quasi-equilibrium)
!------------------------------------------------------------

!   *** ELCRIT IS THE AUTOCONVERSION THERSHOLD WATER CONTENT (gm/gm) ***
!   ***  TLCRIT IS CRITICAL TEMPERATURE BELOW WHICH THE AUTO-        ***
!   ***       CONVERSION THRESHOLD IS ASSUMED TO BE ZERO             ***
!   ***     (THE AUTOCONVERSION THRESHOLD VARIES LINEARLY            ***
!   ***               BETWEEN 0 C AND TLCRIT)                        ***
!   ***   ENTP IS THE COEFFICIENT OF MIXING IN THE ENTRAINMENT       ***
!   ***                       FORMULATION                            ***
!   ***  SIGD IS THE FRACTIONAL AREA COVERED BY UNSATURATED DNDRAFT  ***
!   ***  SIGS IS THE FRACTION OF PRECIPITATION FALLING OUTSIDE       ***
!   ***                        OF CLOUD                              ***
!   ***        OMTRAIN IS THE ASSUMED FALL SPEED (P/s) OF RAIN       ***
!   ***     OMTSNOW IS THE ASSUMED FALL SPEED (P/s) OF SNOW          ***
!   ***  COEFFR IS A COEFFICIENT GOVERNING THE RATE OF EVAPORATION   ***
!   ***                          OF RAIN                             ***
!   ***  COEFFS IS A COEFFICIENT GOVERNING THE RATE OF EVAPORATION   ***
!   ***                          OF SNOW                             ***
!   ***     CU IS THE COEFFICIENT GOVERNING CONVECTIVE MOMENTUM      ***
!   ***                         TRANSPORT                            ***
!   ***    DTMAX IS THE MAXIMUM NEGATIVE TEMPERATURE PERTURBATION    ***
!   ***        A LIFTED PARCEL IS ALLOWED TO HAVE BELOW ITS LFC      ***
!   ***    ALPHA AND DAMP ARE PARAMETERS THAT CONTROL THE RATE OF    ***
!   ***                 APPROACH TO QUASI-EQUILIBRIUM                ***
!   ***   (THEIR STANDARD VALUES ARE  0.20 AND 0.1, RESPECTIVELY)    ***
!   ***                   (DAMP MUST BE LESS THAN 1)                 ***

      integer nd

! noff: integer limit for convection (nd-noff)
! minorig: First level of convection

      noff = 2
      minorig = 2

      nl=nd-noff
      nlp=nl+1
      nlm=nl-1

      elcrit=0.0011
      tlcrit=-55.0
      entp=1.5
      sigs=0.12
      sigd=0.05
      omtrain=50.0
      omtsnow=5.5
      coeffr=1.0
      coeffs=0.8
      dtmax=0.9
!
      cu=0.70
!
      betad=10.0
!
      damp=0.1
      alpha=0.2
!
      delta=0.01  ! cld
!
      return
      end
1	!
2	! $Header: /home/cvsroot/LMDZ4/libf/phylmd/cv_routines.F,v 1.1.1.1 2004/05/19 12:53:08 lmdzadmin Exp $
3	!
4	SUBROUTINE cv_param(nd)
5	use cvparam
6	implicit none
7
8	!------------------------------------------------------------
9	! Set parameters for convectL
10	! (includes microphysical parameters and parameters that
11	! control the rate of approach to quasi-equilibrium)
12	!------------------------------------------------------------
13
14	! * ELCRIT IS THE AUTOCONVERSION THERSHOLD WATER CONTENT (gm/gm) *
15	! * TLCRIT IS CRITICAL TEMPERATURE BELOW WHICH THE AUTO- *
16	! * CONVERSION THRESHOLD IS ASSUMED TO BE ZERO *
17	! * (THE AUTOCONVERSION THRESHOLD VARIES LINEARLY *
18	! * BETWEEN 0 C AND TLCRIT) *
19	! * ENTP IS THE COEFFICIENT OF MIXING IN THE ENTRAINMENT *
20	! * FORMULATION *
21	! * SIGD IS THE FRACTIONAL AREA COVERED BY UNSATURATED DNDRAFT *
22	! * SIGS IS THE FRACTION OF PRECIPITATION FALLING OUTSIDE *
23	! * OF CLOUD *
24	! * OMTRAIN IS THE ASSUMED FALL SPEED (P/s) OF RAIN *
25	! * OMTSNOW IS THE ASSUMED FALL SPEED (P/s) OF SNOW *
26	! * COEFFR IS A COEFFICIENT GOVERNING THE RATE OF EVAPORATION *
27	! * OF RAIN *
28	! * COEFFS IS A COEFFICIENT GOVERNING THE RATE OF EVAPORATION *
29	! * OF SNOW *
30	! * CU IS THE COEFFICIENT GOVERNING CONVECTIVE MOMENTUM *
31	! * TRANSPORT *
32	! * DTMAX IS THE MAXIMUM NEGATIVE TEMPERATURE PERTURBATION *
33	! * A LIFTED PARCEL IS ALLOWED TO HAVE BELOW ITS LFC *
34	! * ALPHA AND DAMP ARE PARAMETERS THAT CONTROL THE RATE OF *
35	! * APPROACH TO QUASI-EQUILIBRIUM *
36	! * (THEIR STANDARD VALUES ARE 0.20 AND 0.1, RESPECTIVELY) *
37	! * (DAMP MUST BE LESS THAN 1) *
38
39	integer nd
40
41	! noff: integer limit for convection (nd-noff)
42	! minorig: First level of convection
43
44	noff = 2
45	minorig = 2
46
47	nl=nd-noff
48	nlp=nl+1
49	nlm=nl-1
50
51	elcrit=0.0011
52	tlcrit=-55.0
53	entp=1.5
54	sigs=0.12
55	sigd=0.05
56	omtrain=50.0
57	omtsnow=5.5
58	coeffr=1.0
59	coeffs=0.8
60	dtmax=0.9
61	!
62	cu=0.70
63	!
64	betad=10.0
65	!
66	damp=0.1
67	alpha=0.2
68	!
69	delta=0.01 ! cld
70	!
71	return
72	end