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module_model_constants.F_ref @ 3553

Last change on this file since 3553 was 31, checked in by aslmd, 15 years ago
LMD_MM_MARS: teste compilation, scripts additionnels et initialisation nouvelle physique
File size: 7.7 KB

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1	!WRF:MODEL_LAYER:CONSTANTS
2	!
3	!PLANET MARS
4
5	MODULE module_model_constants
6
7	! 2. Following are constants for use in defining real number bounds.
8
9	! A really small number.
10
11	REAL , PARAMETER :: epsilon = 1.E-15
12
13	! 4. Following is information related to the physical constants.
14
15	! These are the physical constants used within the model.
16
17	! JM NOTE -- can we name this grav instead?
18	REAL , PARAMETER :: g = 3.72 ! acceleration due to gravity (m {s}^-2)
19
20	#if ( NMM_CORE == 1 )
21	REAL , PARAMETER :: r_d = 192. ! gas constant m2 s-2 K-1
22	REAL , PARAMETER :: cp = 844.6 ! r= 8.314511E+0 *1000.E+0/mugaz
23	#else
24	REAL , PARAMETER :: r_d = 192.
25	REAL , PARAMETER :: cp = 844.6
26	#endif
27
28	REAL , PARAMETER :: r_v = 461.6 ! gas constant for water vapor
29	REAL , PARAMETER :: cv = cp-r_d
30	REAL , PARAMETER :: cpv = 4.4*r_v ! cp / R = 4.4 ?? ! rcp = r/cp ~0.256793
31	REAL , PARAMETER :: cvv = cpv-r_v
32	REAL , PARAMETER :: cvpm = -cv/cp
33	REAL , PARAMETER :: cliq = 4190.
34	REAL , PARAMETER :: cice = 2106.
35	REAL , PARAMETER :: psat = 610.78
36	REAL , PARAMETER :: rcv = r_d/cv
37	REAL , PARAMETER :: rcp = r_d/cp
38	REAL , PARAMETER :: rovg = r_d/g
39	REAL , PARAMETER :: c2 = cp * rcv
40
41	REAL , PARAMETER :: p1000mb = 610.
42	REAL , PARAMETER :: t0 = 220. ! earth : 300 ... à remplacer par 220 ?
43	REAL , PARAMETER :: p0 = 610.
44	REAL , PARAMETER :: cpovcv = cp/(cp-r_d)
45	REAL , PARAMETER :: cvovcp = 1./cpovcv
46	REAL , PARAMETER :: rvovrd = r_v/r_d
47
48	REAL , PARAMETER :: reradius = 1./3397200. ! Rayon de mars (m) ~3397200 m
49
50	!-------------------------------
51	!****MARS
52	! here some LMD stuff
53	! >> TODO: possible modification with startfi.nc values ?
54	REAL , PARAMETER :: wdaysec = 88800. ! duree du sol (s) ~88775 s
55	REAL , PARAMETER :: wmugaz = 43.49 ! Masse molaire de l'atm (g.mol-1) ~43.49
56	REAL , PARAMETER :: womeg = 7.0721E-5 ! omega (rad.s-1)
57	REAL , PARAMETER :: wyear_day = 669 ! Duree de l'annee (sols) ~668.6
58	REAL , PARAMETER :: wperiheli = 206.66 ! Dist.min. soleil-mars (Mkm) ~206.66
59	REAL , PARAMETER :: waphelie = 249.22 ! Dist.max. soleil-mars (Mkm) ~249.22
60	REAL , PARAMETER :: wperi_day = 485. ! Date du perihelie (sols depuis printemps)
61	REAL , PARAMETER :: wobliquit = 25.2 ! Obliquite de la planete (deg) ~25.2
62	REAL , PARAMETER :: wz0 = 1.e-2 ! surface roughness (m) ~0.01
63	REAL , PARAMETER :: wlmixmin = 30 ! longueur de melange ~100
64	REAL , PARAMETER :: wemin_turb = 1.e-6 ! energie minimale ~1.e-8
65	REAL , PARAMETER :: wemissiv = 0.95 ! Emissivite du sol martien ~.95
66	REAL , PARAMETER :: wemissiceN = 0.95 ! Emissivite calotte nord
67	REAL , PARAMETER :: wemissiceS = 0.95 ! Emissivite calotte sud
68	REAL , PARAMETER :: walbediceN = 0.65 ! Albedo calotte nord !0.5
69	REAL , PARAMETER :: walbediceS = 0.65 ! Albedo calotte sud !0.5
70	REAL , PARAMETER :: wiceradiusN = 100.e-6 ! mean scat radius of CO2 snow (north)
71	REAL , PARAMETER :: wiceradiusS = 100.e-6 ! mean scat radius of CO2 snow (south)
72	REAL , PARAMETER :: wdtemisiceN = 0.4 ! time scale for snow metamorphism (north) !2
73	REAL , PARAMETER :: wdtemisiceS = 0.4 ! time scale for snow metamorphism (south) !2
74	#ifdef NEWPHYS
75	REAL , PARAMETER :: wvolcapa = 1.e6 ! volumetric capacity of soil (new soil model)
76	#endif
77	!
78	!-------------------------------
79
80	! REAL , PARAMETER :: asselin = .025
81	REAL , PARAMETER :: asselin = .0
82	REAL , PARAMETER :: cb = 25.
83
84	REAL , PARAMETER :: XLV0 = 3.15E6
85	REAL , PARAMETER :: XLV1 = 2370.
86	REAL , PARAMETER :: XLS0 = 2.905E6
87	REAL , PARAMETER :: XLS1 = 259.532
88
89	REAL , PARAMETER :: XLS = 2.85E6
90	REAL , PARAMETER :: XLV = 2.5E6
91	REAL , PARAMETER :: XLF = 3.50E5
92
93	REAL , PARAMETER :: rhowater = 1000.
94	REAL , PARAMETER :: rhosnow = 100.
95	REAL , PARAMETER :: rhoair0 = 0.02 !Earth Surface density: 1.217 kg/m3
96	!Mars Surface density: 0.020 kg/m3
97	REAL , PARAMETER :: DEGRAD = 3.1415926/180.
98	REAL , PARAMETER :: DPD = 360./669. ! longitude solaire d'un jour?
99
100	REAL , PARAMETER :: SVP1=0.6112
101	REAL , PARAMETER :: SVP2=17.67
102	REAL , PARAMETER :: SVP3=29.65
103	REAL , PARAMETER :: SVPT0=273.15
104	REAL , PARAMETER :: EP_1=R_v/R_d-1.
105	REAL , PARAMETER :: EP_2=R_d/R_v
106	REAL , PARAMETER :: KARMAN=0.4 ! von karman constant
107	REAL , PARAMETER :: EOMEG=7.0721E-5 ! angular rotation rate (rad.s-1)
108	REAL , PARAMETER :: STBOLT=5.67051E-8 ! stefan-boltzmann constant
109
110	! proportionality constants for eddy viscosity coefficient calc
111	REAL , PARAMETER :: c_s = .25 ! turbulence parameterization constant, for smagorinsky
112	! REAL , PARAMETER :: c_s = .1 ! turbulence parameterization constant, for smagorinsky
113	REAL , PARAMETER :: c_k = .15 ! turbulence parameterization constant, for TKE
114	REAL , PARAMETER :: prandtl = 1./3.0
115	! constants for w-damping option
116	! REAL , PARAMETER :: w_alpha = 0.3 ! strength m/s/s
117	REAL , PARAMETER :: w_alpha = 2.0 ! strength m/s/s
118	! REAL , PARAMETER :: w_beta = 1.0 ! activation cfl number
119	REAL , PARAMETER :: w_beta = 0.8 ! activation cfl number
120
121	REAL , PARAMETER :: pq0=379.90516
122	REAL , PARAMETER :: epsq2=0.2
123	!try both ?
124	! REAL , PARAMETER :: epsq2=0.02
125	REAL , PARAMETER :: a2=17.2693882
126	REAL , PARAMETER :: a3=273.16
127	REAL , PARAMETER :: a4=35.86
128	REAL , PARAMETER :: epsq=1.e-12
129	REAL , PARAMETER :: p608=rvovrd-1.
130	!#if ( NMM_CORE == 1 )
131	REAL , PARAMETER :: climit=1.e-20
132	REAL , PARAMETER :: cm1=2937.4
133	REAL , PARAMETER :: cm2=4.9283
134	REAL , PARAMETER :: cm3=23.5518
135	! REAL , PARAMETER :: defc=8.0
136	! REAL , PARAMETER :: defm=32.0
137	REAL , PARAMETER :: defc=0.0
138	REAL , PARAMETER :: defm=99999.0
139	REAL , PARAMETER :: epsfc=1./1.05
140	REAL , PARAMETER :: epswet=0.0
141	REAL , PARAMETER :: fcdif=1./3.
142	! REAL , PARAMETER :: fcm=0.003
143	REAL , PARAMETER :: fcm=0.00003
144	! REAL , PARAMETER :: fcm=0.0
145	REAL , PARAMETER :: gma=-r_d(1.-rcp)0.5
146	REAL , PARAMETER :: p400=40000.0
147	REAL , PARAMETER :: phitp=15000.0
148	REAL , PARAMETER :: pi2=2.*3.1415926
149	REAL , PARAMETER :: plbtm=105000.0
150	REAL , PARAMETER :: plomd=64200.0
151	REAL , PARAMETER :: pmdhi=35000.0
152	REAL , PARAMETER :: q2ini=0.50
153	REAL , PARAMETER :: rfcp=0.25/cp
154	REAL , PARAMETER :: rhcrit_land=0.75
155	REAL , PARAMETER :: rhcrit_sea=0.80
156	REAL , PARAMETER :: rlag=14.8125
157	REAL , PARAMETER :: rlx=0.90
158	REAL , PARAMETER :: scq2=50.0
159	REAL , PARAMETER :: slopht=0.001
160	REAL , PARAMETER :: tlc=2.*0.703972477
161	REAL , PARAMETER :: wa=0.15
162	REAL , PARAMETER :: wght=0.35
163	REAL , PARAMETER :: wpc=0.075
164	REAL , PARAMETER :: z0land=0.10
165	! REAL , PARAMETER :: z0max=0.01
166	REAL , PARAMETER :: z0max=0.008
167	REAL , PARAMETER :: z0sea=0.001
168	!#endif
169
170
171	CONTAINS
172	SUBROUTINE init_module_model_constants
173	END SUBROUTINE init_module_model_constants
174	END MODULE module_model_constants

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