Index: /trunk/NEMOGCM/CONFIG/ORCA2_LIM3/EXP00/iodef.xml
===================================================================
--- /trunk/NEMOGCM/CONFIG/ORCA2_LIM3/EXP00/iodef.xml (revision 5123)
+++ /trunk/NEMOGCM/CONFIG/ORCA2_LIM3/EXP00/iodef.xml (revision 5124)
@@ -125,4 +125,5 @@
+
Index: /trunk/NEMOGCM/CONFIG/SHARED/field_def.xml
===================================================================
--- /trunk/NEMOGCM/CONFIG/SHARED/field_def.xml (revision 5123)
+++ /trunk/NEMOGCM/CONFIG/SHARED/field_def.xml (revision 5124)
@@ -289,6 +289,7 @@
-
-
+
+
+
@@ -313,4 +314,8 @@
+
+
+
+
Index: /trunk/NEMOGCM/CONFIG/SHARED/namelist_ice_lim2_ref
===================================================================
--- /trunk/NEMOGCM/CONFIG/SHARED/namelist_ice_lim2_ref (revision 5123)
+++ /trunk/NEMOGCM/CONFIG/SHARED/namelist_ice_lim2_ref (revision 5124)
@@ -48,11 +48,10 @@
c_rhg = 20.0 ! 2nd bulk-rhelogy parameter
etamn = 0.0e+07 ! minimun value for viscosity
- creepl = 1.0e-08 ! creep limit
- ecc = 2.0 ! eccentricity of the elliptical yield curve
+ rn_creepl = 1.0e-08 ! creep limit
+ rn_ecc = 2.0 ! eccentricity of the elliptical yield curve
ahi0 = 350.e0 ! horizontal eddy diffusivity coefficient for sea-ice [m2/s]
- nevp = 120 ! number of EVP subcycling iterations
+ nn_nevp = 120 ! number of EVP subcycling iterations
telast = 9600 ! timescale for EVP elastic waves
alphaevp = 1.0 ! coefficient for the solution of EVP int. stresses
- hminrhg = 0.05 ! ice thickness (m) below which ice velocity equal ocean velocity
/
!-----------------------------------------------------------------------
Index: /trunk/NEMOGCM/CONFIG/SHARED/namelist_ice_lim3_ref
===================================================================
--- /trunk/NEMOGCM/CONFIG/SHARED/namelist_ice_lim3_ref (revision 5123)
+++ /trunk/NEMOGCM/CONFIG/SHARED/namelist_ice_lim3_ref (revision 5124)
@@ -1,126 +1,126 @@
!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
-!! NEMO/LIM3 : 1 - dynamics/advection/thermo (namicerun)
-!! namelists 2 - ice intialisation (namiceini)
-!! 3 - ice dynamic (namicedyn)
-!! 4 - ice advection (namicetrp)
-!! 5 - thermodynamic (namicethd)
-!! 6 - ice salinity (namicesal)
-!! 7 - mechanical redistribution of ice (namiceitdme)
-!! 8 - ice diagnostics (namicedia)
-!! 9 - ice outputs (namiceout)
+!! LIM3 namelist :
+!! 1 - Generic parameters (namicerun)
+!! 2 - Ice initialization (namiceini)
+!! 3 - Ice discretization (namiceitd)
+!! 4 - Ice dynamics and transport (namicedyn)
+!! 5 - Ice thermodynamics (namicethd)
+!! 6 - Ice salinity (namicesal)
+!! 7 - Ice mechanical redistribution (namiceitdme)
!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
-
-!-----------------------------------------------------------------------
-&namicerun ! Share parameters for dynamics/advection/thermo
-!-----------------------------------------------------------------------
+!
+!------------------------------------------------------------------------------
+&namicerun ! Generic parameters
+!------------------------------------------------------------------------------
+ jpl = 5 ! number of ice categories
+ nlay_i = 2 ! number of ice layers
+ nlay_s = 1 ! number of snow layers (only 1 is working)
cn_icerst_in = "restart_ice" ! suffix of ice restart name (input)
cn_icerst_out = "restart_ice" ! suffix of ice restart name (output)
ln_limdyn = .true. ! ice dynamics (T) or thermodynamics only (F)
- amax = 0.999 ! maximum ice concentration
- cai = 1.40e-3 ! atmospheric drag over sea ice (clio)
- cao = 1.00e-3 ! atmospheric drag over ocean (clio)
- ln_nicep = .false. ! Ice points output for debug (yes or no)
- ln_limdiahsb = .false. ! check the heat and salt budgets (T) or not (F)
+ rn_amax = 0.999 ! maximum tolerated ice concentration
+ ln_nicep = .false. ! ice points output for debug (yes or no)
+ ln_limdiahsb = .false. ! check the heat and salt budgets (T) or not (F)
ln_limdiaout = .true. ! output the heat and salt budgets (T) or not (F)
/
-!-----------------------------------------------------------------------
-&namiceini ! ice initialisation
-!-----------------------------------------------------------------------
- ln_limini = .false. ! activate ice initialization (T) or not (F)
- thres_sst = 0.0 ! threshold water temperature for initial sea ice
- hts_ini_n = 0.3 ! initial snow thickness in the north
- hts_ini_s = 0.3 ! " " south
- hti_ini_n = 1.0 ! initial ice thickness in the north
- hti_ini_s = 1.0 ! " " south
- ati_ini_n = 0.9 ! initial ice concentration in the north
- ati_ini_s = 0.9 ! " " south
- smi_ini_n = 6.301 ! initial ice salinity in the north
- smi_ini_s = 6.301 ! " " south
- tmi_ini_n = 270. ! initial ice/snw temp in the north
- tmi_ini_s = 270. ! initial ice/snw temp in the south
+!------------------------------------------------------------------------------
+&namiceini ! Ice initialization
+!------------------------------------------------------------------------------
+ ln_iceini = .true. ! activate ice initialization (T) or not (F)
+ rn_thres_sst = 2.0 ! maximum water temperature with initial ice (degC)
+ rn_hts_ini_n = 0.3 ! initial real snow thickness (m), North
+ rn_hts_ini_s = 0.3 ! " " South
+ rn_hti_ini_n = 3.0 ! initial real ice thickness (m), North
+ rn_hti_ini_s = 1.0 ! " " South
+ rn_ati_ini_n = 0.9 ! initial ice concentration (-), North
+ rn_ati_ini_s = 0.9 ! " " South
+ rn_smi_ini_n = 6.3 ! initial ice salinity (g/kg), North
+ rn_smi_ini_s = 6.3 ! " " South
+ rn_tmi_ini_n = 270. ! initial ice/snw temperature (K), North
+ rn_tmi_ini_s = 270. ! " " South
/
-!-----------------------------------------------------------------------
-&namicedyn ! ice dynamic
-!-----------------------------------------------------------------------
- epsd = 1.0e-20 ! tolerance parameter
- om = 0.5 ! relaxation constant
- cw = 5.0e-03 ! drag coefficient for oceanic stress
- pstar = 2.0e+04 ! 1st bulk-rheology parameter
- c_rhg = 20.0 ! 2nd bulk-rhelogy parameter
- creepl = 1.0e-12 ! creep limit
- ecc = 2.0 ! eccentricity of the elliptical yield curve
- ahi0 = 350.e0 ! horizontal eddy diffusivity coefficient for sea-ice [m2/s]
- nevp = 120 ! number of iterations for subcycling in EVP
- relast = 0.333 ! ratio of elastic timescale over ice time step (1/3 if nevp=120 ; 1/9 if nevp=300)
- alphaevp = 1.0 ! coefficient for the solution of internal ice stresses
- hminrhg = 0.001 ! ice volume (a*h in m) below which ice velocity equal ocean velocity
+!------------------------------------------------------------------------------
+&namiceitd ! Ice discretization
+!------------------------------------------------------------------------------
+ nn_catbnd = 1 ! computation of ice category boundaries based on
+ ! 1: tanh function
+ ! 2: h^(-alpha), function of rn_himean
+ rn_himean = 2.5 ! expected domain-average ice thickness (m), nn_catbnd = 2 only
/
-!-----------------------------------------------------------------------
-&namicethd ! ice thermodynamic
-!-----------------------------------------------------------------------
- hmelt = -0.15 ! maximum melting at the bottom
- hiccrit = 0.1 ! ice thickness for lateral accretion
- ! caution 1.0, 1.0 best value to be used!!! (gilles G.) ????
- fraz_swi = 0 ! use of frazil ice collection thickness in function of wind (1.0) or not (0.0)
- maxfrazb = 0.0 ! maximum portion of frazil ice collecting at the ice bottom
- vfrazb = 0.4166667 ! thresold drift speed for frazil ice collecting at the ice bottom
- Cfrazb = 5.0 ! squeezing coefficient for frazil ice collecting at the ice bottom
- hiclim = 0.10 ! minimum ice thickness
- hnzst = 0.1 ! thickness of the surf. layer in temp. computation
- parsub = 1.0 ! switch for snow sublimation or not
- betas = 0.6 ! exponent in lead-ice fractionation of snow precipitation 0.66
- ! betas = 1 -> equipartition, betas < 1 -> more on leads
- kappa_i = 1.0 ! extinction radiation parameter in sea ice (1.0)
- nconv_i_thd = 50 ! maximal number of iterations for heat diffusion computation
- maxer_i_thd = 0.0001 ! maximal error in temperature for heat diffusion computation
- thcon_i_swi = 1 ! switch for computation of thermal conductivity in the ice
- ! (0) Untersteiner (1964), (1) Pringle et al. (2007)
+!------------------------------------------------------------------------------
+&namicedyn ! Ice dynamics and transport
+!------------------------------------------------------------------------------
+ nn_icestr = 0 ! ice strength parameteriztaion
+ ! 0: Hibler_79 P = pstar**exp(-c_rhg*A)
+ ! 1: Rothrock_75 P = Cf*coeff*integral(wr.h^2)
+ ln_icestr_bvf = .false. ! ice strength function brine volume (T) or not (F)
+ rn_pe_rdg = 17.0 ! ridging work divided by pot. energy change in ridging, if nn_icestr = 1
+ rn_pstar = 2.0e+04 ! ice strength thickness parameter (N/m2), nn_icestr = 0
+ rn_crhg = 20.0 ! ice strength conc. parameter (-), nn_icestr = 0
+ rn_cio = 5.0e-03 ! ice-ocean drag coefficient (-)
+ rn_creepl = 1.0e-12 ! creep limit (s-1)
+ rn_ecc = 2.0 ! eccentricity of the elliptical yield curve
+ nn_nevp = 120 ! number of EVP subcycles
+ rn_relast = 0.333 ! ratio of elastic timescale to ice time step: Telast = dt_ice * rn_relast
+ ! advised value: 1/3 (rn_nevp=120) or 1/9 (rn_nevp=300)
+ nn_ahi0 = 2 ! horizontal diffusivity computation
+ ! 0: use rn_ahi0_ref
+ ! 1: use rn_ahi0_ref x mean grid cell length / ( 2deg mean grid cell length )
+ ! 2: use rn_ahi0_ref x grid cell length / ( 2deg mean grid cell length )
+ rn_ahi0_ref = 350.0 ! horizontal sea ice diffusivity (m2/s)
+ ! if nn_ahi0 > 0, rn_ahi0_ref is the reference value at a nominal 2 deg resolution
/
-!-----------------------------------------------------------------------
-&namicesal ! ice salinity
-!-----------------------------------------------------------------------
- num_sal = 2 ! salinity option: 1 -> S = bulk_sal
- ! 2 -> S = S(z,t) with a simple parameterization
- ! 3 -> S = S(z) profile of Scwharzacher [1959]
- ! 4 -> S = S(h) Cox and Weeks [1974]
- bulk_sal = 4.0 ! if 1 is used, it represents the ice salinity
- sal_G = 5.00 ! restoring salinity for GD
- time_G = 1.728e+6 ! restoring time for GD
- sal_F = 2.00 ! restoring salinity for flushing
- time_F = 8.640e+5 ! restoring time for flushing
- s_i_max = 20.0 ! Maximum salinity
- s_i_min = 0.1 ! Minimum tolerated ice salinity
- s_i_0 = 3.5 ! 1st salinity for salinity profile
- s_i_1 = 4.5 ! 2nd salinity for salinity profile
+!------------------------------------------------------------------------------
+&namicethd ! Ice thermodynamics
+!------------------------------------------------------------------------------
+ rn_hnewice = 0.1 ! thickness for new ice formation in open water (m)
+ ln_frazil = .false. ! use frazil ice collection thickness as a function of wind (T) or not (F)
+ rn_maxfrazb = 0.0 ! maximum fraction of frazil ice collecting at the ice base
+ rn_vfrazb = 0.417 ! thresold drift speed for frazil ice collecting at the ice bottom (m/s)
+ rn_Cfrazb = 5.0 ! squeezing coefficient for frazil ice collecting at the ice bottom
+ rn_himin = 0.10 ! minimum ice thickness (m) used in remapping, must be smaller than rn_hnewice
+ rn_betas = 0.66 ! exponent in lead-ice repratition of snow precipitation
+ ! betas = 1 -> equipartition, betas < 1 -> more on leads
+ rn_kappa_i = 1.0 ! radiation attenuation coefficient in sea ice (m-1)
+ nn_conv_dif = 50 ! maximal number of iterations for heat diffusion computation
+ rn_terr_dif = 0.0001 ! maximum temperature after heat diffusion (degC)
+ nn_ice_thcon= 1 ! sea ice thermal conductivity
+ ! 0: k = k0 + beta.S/T (Untersteiner, 1964)
+ ! 1: k = k0 + beta1.S/T - beta2.T (Pringle et al., 2007)
+ nn_monocat = 0 ! virtual ITD mono-category parameterizations (1, jpl = 1 only) or not (0)
+ ! 2: simple piling instead of ridging --- temporary option
+ ! 3: activate G(he) only --- temporary option
+ ! 4: activate lateral melting only --- temporary option
/
-!-----------------------------------------------------------------------
-&namiceitdme ! parameters for mechanical redistribution of ice
-!-----------------------------------------------------------------------
- ridge_scheme_swi = 0 ! which ridging scheme using (1=Rothrock,else=Hibler79)
- Cs = 0.50 ! shearing energy contribution to ridging
- Cf = 17.0 ! ratio of ridging work to PE change in ridging
- fsnowrdg = 0.5 ! snow fraction that survives in ridging
- fsnowrft = 0.5 ! snow fraction that survives in rafting
- Gstar = 0.15 ! fractional area of thin ice being ridged
- astar = 0.05 ! equivalent of gstar (0.05 for TH75 and 0.03 for weaker ice)
- Hstar = 100.0 ! parameter determining the maximum thickness of ridged ice
- raft_swi = 1 ! rafting or not
- hparmeter = 0.75 ! threshold thickness for rafting or not
- Craft = 5.0 ! coefficient used in the rafting function
- ridge_por = 0.3 ! initial porosity of the ridged ice (typically 0.30)
- partfun_swi = 1 ! participation function linear, TH75 (0) or exponential Letal07 (1)
- brinstren_swi = 0 ! (1) use brine volume to diminish ice strength
+!------------------------------------------------------------------------------
+&namicesal ! Ice salinity
+!------------------------------------------------------------------------------
+ nn_icesal = 2 ! ice salinity option
+ ! 1: constant ice salinity (S=rn_icesal)
+ ! 2: varying salinity parameterization S(z,t)
+ ! 3: prescribed salinity profile S(z), Schwarzacher, 1959
+ rn_icesal = 4. ! ice salinity (g/kg, nn_icesal = 1 only)
+ rn_sal_gd = 5. ! restoring ice salinity, gravity drainage (g/kg)
+ rn_time_gd = 1.73e+6 ! restoring time scale, gravity drainage (s)
+ rn_sal_fl = 2. ! restoring ice salinity, flushing (g/kg)
+ rn_time_fl = 8.64e+5 ! restoring time scale, flushing (s)
+ rn_simax = 20. ! maximum tolerated ice salinity (g/kg)
+ rn_simin = 0.1 ! minimum tolerated ice salinity (g/kg)
/
-!-----------------------------------------------------------------------
-&namicedia ! ice diagnostics
-!-----------------------------------------------------------------------
- fmtinf ='1PE13.5 ' ! format of the output values
- nfrinf = 4 ! number of variables written in one line
- ntmoy = 1 ! instantaneous values of ice evolution or averaging
- ninfo = 1 ! frequency of ouputs on file ice_evolu in case of averaging
+!------------------------------------------------------------------------------
+&namiceitdme ! Ice mechanical redistribution (ridging and rafting)
+!------------------------------------------------------------------------------
+ rn_Cs = 0.5 ! fraction of shearing energy contributing to ridging
+ rn_fsnowrdg = 0.5 ! snow volume fraction that survives in ridging
+ rn_fsnowrft = 0.5 ! snow volume fraction that survives in rafting
+ nn_partfun = 1 ! type of ridging participation function
+ ! 0: linear (Thorndike et al, 1975)
+ ! 1: exponential (Lipscomb, 2007
+ rn_gstar = 0.15 ! fractional area of thin ice being ridged (nn_partfun = 0)
+ rn_astar = 0.05 ! exponential measure of ridging ice fraction (nn_partfun = 1)
+ rn_hstar = 100.0 ! determines the maximum thickness of ridged ice (m) (Hibler, 1980)
+ ln_rafting = .true. ! rafting activated (T) or not (F)
+ rn_hraft = 0.75 ! threshold thickness for rafting (m)
+ rn_craft = 5.0 ! squeezing coefficient used in the rafting function
+ rn_por_rdg = 0.3 ! porosity of newly ridged ice (Lepparanta et al., 1995)
/
-!!-----------------------------------------------------------------------
-!&namicehsb ! Heat and salt budgets
-!!-----------------------------------------------------------------------
-!/
-