/[lmdze]/trunk/dyn3d/disvert.f
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revision 265 by guez, Tue Mar 20 09:35:59 2018 UTC revision 266 by guez, Thu Apr 19 17:54:55 2018 UTC
# Line 14  module disvert_m Line 14  module disvert_m
14    ! half-level, between layers "l" and "l-1"    ! half-level, between layers "l" and "l-1"
15    
16    real, save:: presnivs(llm)    real, save:: presnivs(llm)
17    ! pressions approximatives des milieux de couches, en Pa    ! approximate full level pressure for a reference surface pressure, in Pa
18    
19    real, parameter:: preff = 101325. ! in Pa    real, parameter:: preff = 101325. ! in Pa
20    real y, ya ! for the hybrid function    real y, ya ! for the hybrid function
# Line 45  contains Line 45  contains
45      real zz(llm) ! in km      real zz(llm) ! in km
46    
47      character(len=20):: vert_sampling = "tropo"      character(len=20):: vert_sampling = "tropo"
48      ! Allowed values: "tropo", "param", "strato", "read_hybrid", "read_pressure"      ! Allowed values: "tropo", "strato_custom", "strato",
49        ! "read_hybrid", "read_pressure".
50    
51      ! These variables are used only in the case vert_sampling ==      ! These variables are used only in the case vert_sampling ==
52      ! "param", and all are in km:      ! "strato_custom", and all are in km:
53      real:: vert_scale = 7. ! scale height      real:: vert_scale = 7. ! scale height
54      real:: vert_dzmin = 0.02 ! width of first layer      real:: vert_dzmin = 0.017 ! width of first layer
55      real:: vert_dzlow = 1. ! dz in the low atmosphere      real:: vert_dzlow = 1. ! dz in the low atmosphere
56      real:: vert_z0low = 8. ! height at which resolution reaches dzlow      real:: vert_z0low = 8.7 ! height at which resolution reaches dzlow
57      real:: vert_dzmid = 3. ! dz in the mid atmosphere      real:: vert_dzmid = 2. ! dz in the mid atmosphere
58      real:: vert_z0mid = 70. ! height at which resolution reaches dzmid      real:: vert_z0mid = 70. ! height at which resolution reaches dzmid
59      real:: vert_h_mid = 20. ! width of the transition      real:: vert_h_mid = 20. ! width of the transition
60      real:: vert_dzhig = 11. ! dz in the high atmosphere      real:: vert_dzhig = 11. ! dz in the high atmosphere
61      real:: vert_z0hig = 80. ! height at which resolution reaches dz      real:: vert_z0hig = 75. ! height at which resolution reaches dz
62      real:: vert_h_hig = 20. ! width of the transition      real:: vert_h_hig = 20. ! width of the transition
63    
64      real, allocatable:: p(:) ! (llm + 1) pressure (in hPa)      real, allocatable:: p(:) ! (2:llm or llm + 1) pressure (in hPa)
65    
66      namelist /disvert_nml/vert_sampling, vert_scale, vert_dzmin, vert_dzlow, &      namelist /disvert_nml/vert_sampling, vert_scale, vert_dzmin, vert_dzlow, &
67           vert_z0low, vert_dzmid, vert_z0mid, vert_h_mid, vert_dzhig, &           vert_z0low, vert_dzmid, vert_z0mid, vert_h_mid, vert_dzhig, &
# Line 81  contains Line 82  contains
82      select case (vert_sampling)      select case (vert_sampling)
83    
84      case ("tropo")      case ("tropo")
85         ! with llm = 19 for CMIP 3         ! with llm = 19 and dsigmin = 1 for CMIP 3
86    
87         forall (l = 1: llm) ds(l) &         forall (l = 1: llm) ds(l) &
88              = dsigmin + 7. * SIN(pi * (REAL(l) - 0.5) / real(llm + 1))**2              = dsigmin + 7. * SIN(pi * (REAL(l) - 0.5) / real(llm + 1))**2
# Line 94  contains Line 95  contains
95         call compute_ab         call compute_ab
96    
97      case ("strato")      case ("strato")
98         ! with llm = 39 and dsigmin = 0.3 for CMIP5         ! with llm = 39 and dsigmin = 0.3 for CMIP5
99    
100         forall (l = 1: llm) x(l) = pi * (l - 0.5) / (llm + 1)         forall (l = 1: llm) x(l) = pi * (l - 0.5) / (llm + 1)
101    
# Line 107  contains Line 108  contains
108    
109         call compute_ab         call compute_ab
110    
111      case ("param")      case ("strato_custom")
112         ! with llm = 79 for CMIP 6         ! with llm = 79 for CMIP 6
113    
114         zz(1) = 0.         zz(1) = 0.
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