source: NEMO/trunk/cfgs/SPITZ12/EXPREF/namelist_ice_cfg @ 11612

Last change on this file since 11612 was 11612, checked in by clem, 2 years ago

make Prather the default advection scheme for ice simulations and drastically reduce the number of communications in Prather routine (by a factor of 10)

File size: 6.3 KB
Line 
1!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
2!! SI3 configuration namelist: Overwrites SHARED/namelist_ice_ref
3!!              1 - Generic parameters                 (nampar)
4!!              2 - Ice thickness discretization       (namitd)
5!!              3 - Ice dynamics                       (namdyn)
6!!              4 - Ice ridging/rafting                (namdyn_rdgrft)
7!!              5 - Ice rheology                       (namdyn_rhg)
8!!              6 - Ice advection                      (namdyn_adv)
9!!              7 - Ice surface boundary conditions    (namsbc)
10!!              8 - Ice thermodynamics                 (namthd)
11!!              9 - Ice heat diffusion                 (namthd_zdf)
12!!             10 - Ice lateral melting                (namthd_da)
13!!             11 - Ice growth in open water           (namthd_do)
14!!             12 - Ice salinity                       (namthd_sal)
15!!             13 - Ice melt ponds                     (namthd_pnd)
16!!             14 - Ice initialization                 (namini)
17!!             15 - Ice/snow albedos                   (namalb)
18!!             16 - Ice diagnostics                    (namdia)
19!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
20!
21!------------------------------------------------------------------------------
22&nampar         !   Generic parameters
23!------------------------------------------------------------------------------
24   jpl              =    10         !  number of ice  categories
25   nlay_i           =    5          !  number of ice  layers
26/
27!------------------------------------------------------------------------------
28&namitd         !   Ice discretization
29!------------------------------------------------------------------------------
30   ln_cat_hfn       = .true.          !  ice categories are defined by a function following rn_himean**(-0.05)
31      rn_himean     =   2.0           !  expected domain-average ice thickness (m)
32   rn_himin         =   0.01          !  minimum ice thickness (m) used in remapping
33/
34!------------------------------------------------------------------------------
35&namdyn         !   Ice dynamics
36!------------------------------------------------------------------------------
37   ln_landfast_L16  = .true.          !  landfast: parameterization from Lemieux 2016
38/
39!------------------------------------------------------------------------------
40&namdyn_rdgrft  !   Ice ridging/rafting
41!------------------------------------------------------------------------------
42/
43!------------------------------------------------------------------------------
44&namdyn_rhg     !   Ice rheology
45!------------------------------------------------------------------------------
46   ln_rhg_EVP       = .true.          !  EVP rheology
47      ln_aEVP       = .true.          !     adaptive rheology (Kimmritz et al. 2016 & 2017)
48/
49!------------------------------------------------------------------------------
50&namdyn_adv     !   Ice advection
51!------------------------------------------------------------------------------
52   ln_adv_Pra       = .false.         !  Advection scheme (Prather)
53   ln_adv_UMx       = .true.          !  Advection scheme (Ultimate-Macho)
54      nn_UMx        =   5             !     order of the scheme for UMx (1-5 ; 20=centered 2nd order)
55/
56!------------------------------------------------------------------------------
57&namsbc         !   Ice surface boundary conditions
58!------------------------------------------------------------------------------
59/
60!------------------------------------------------------------------------------
61&namthd         !   Ice thermodynamics
62!------------------------------------------------------------------------------
63/
64!------------------------------------------------------------------------------
65&namthd_zdf     !   Ice heat diffusion
66!------------------------------------------------------------------------------
67/
68!------------------------------------------------------------------------------
69&namthd_da      !   Ice lateral melting
70!------------------------------------------------------------------------------
71/
72!------------------------------------------------------------------------------
73&namthd_do      !   Ice growth in open water
74!------------------------------------------------------------------------------
75   rn_hinew         =   0.02          !  thickness for new ice formation in open water (m), must be larger than rn_himin
76   ln_frazil        = .true.          !  Frazil ice parameterization (ice collection as a function of wind)
77/
78!------------------------------------------------------------------------------
79&namthd_sal     !   Ice salinity
80!------------------------------------------------------------------------------
81/
82!------------------------------------------------------------------------------
83&namthd_pnd     !   Melt ponds
84!------------------------------------------------------------------------------
85   ln_pnd           = .true.          !  activate melt ponds or not
86     ln_pnd_H12     = .true.          !  activate evolutive melt ponds (from Holland et al 2012)
87     ln_pnd_alb     = .true.          !  melt ponds affect albedo or not
88/
89
90!------------------------------------------------------------------------------
91&namini         !   Ice initialization
92!------------------------------------------------------------------------------
93   ln_iceini        = .true.         !  activate ice initialization (T) or not (F)
94   rn_thres_sst     =   0.5           !  max delta temp. above Tfreeze with initial ice = (sst - tfreeze)
95   rn_hts_ini_n     =   0.1           !  initial real snow thickness (m), North
96   rn_hti_ini_n     =   1.0           !  initial real ice thickness  (m), North
97   rn_ati_ini_n     =   0.9           !  initial ice concentration   (-), North
98   rn_smi_ini_n     =   6.0           !  initial ice salinity     (g/kg), North
99   rn_tmi_ini_n     = 267.            !  initial ice/snw temperature (K), North
100/
101!------------------------------------------------------------------------------
102&namalb         !   albedo parameters
103!------------------------------------------------------------------------------
104/
105!------------------------------------------------------------------------------
106&namdia         !   Diagnostics
107!------------------------------------------------------------------------------
108/
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