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ice.F90 in branches/dev_r4028_CNRS_LIM3_MV2014/NEMOGCM/NEMO/LIM_SRC_3 – NEMO

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source: branches/dev_r4028_CNRS_LIM3_MV2014/NEMOGCM/NEMO/LIM_SRC_3/ice.F90 @ 4506

Last change on this file since 4506 was 4506, checked in by vancop, 10 years ago
[Heat conservation in LIM3, part HC1 (LIM_SRC_3_HC17)]
Property svn:keywords set to `Id`
File size: 40.9 KB

Rev	Line
[825]	1	MODULE ice
[2528]	2	!!======================================================================
	3	!! * MODULE ice *
	4	!! LIM-3 Sea Ice physics: diagnostics variables of ice defined in memory
	5	!!=====================================================================
[2715]	6	!! History : 3.0 ! 2008-03 (M. Vancoppenolle) original code LIM-3
	7	!! 4.0 ! 2011-02 (G. Madec) dynamical allocation
[2528]	8	!!----------------------------------------------------------------------
[825]	9	#if defined key_lim3
	10	!!----------------------------------------------------------------------
[3625]	11	!! 'key_lim3' LIM-3 sea-ice model
[825]	12	!!----------------------------------------------------------------------
[3625]	13	USE par_ice ! LIM sea-ice parameters
	14	USE in_out_manager ! I/O manager
	15	USE lib_mpp ! MPP library
[825]	16
	17	IMPLICIT NONE
	18	PRIVATE
[2528]	19
[2715]	20	PUBLIC ice_alloc ! Called in iceini.F90
	21
[834]	22	!!======================================================================
	23	!! LIM3 by the use of sweat, agile fingers and sometimes brain juice,
	24	!! was developed in Louvain-la-Neuve by :
	25	!! * Martin Vancoppenolle (UCL-ASTR, Belgium)
	26	!! * Sylvain Bouillon (UCL-ASTR, Belgium)
[2715]	27	!! * Miguel Angel Morales Maqueda (NOC-L, UK)
[834]	28	!!
	29	!! Based on extremely valuable earlier work by
	30	!! * Thierry Fichefet
	31	!! * Hugues Goosse
	32	!!
	33	!! The following persons also contributed to the code in various ways
[2715]	34	!! * Gurvan Madec, Claude Talandier, Christian Ethe (LOCEAN, France)
[834]	35	!! * Xavier Fettweis (UCL-ASTR), Ralph Timmermann (AWI, Germany)
	36	!! * Bill Lipscomb (LANL), Cecilia Bitz (UWa)
	37	!! and Elisabeth Hunke (LANL), USA.
	38	!!
[2715]	39	!! For more info, the interested user is kindly invited to consult the following references
[834]	40	!! For model description and validation :
	41	!! * Vancoppenolle et al., Ocean Modelling, 2008a.
	42	!! * Vancoppenolle et al., Ocean Modelling, 2008b.
	43	!! For a specific description of EVP :
[2715]	44	!! * Bouillon et al., Ocean Modelling 2009.
[834]	45	!!
[2715]	46	!! Or the reference manual, that should be available by 2011
[834]	47	!!======================================================================
	48	!! \|
[2528]	49	!! I C E S T A T E V A R I A B L E S \|
[834]	50	!! \|
	51	!! Introduction : \|
	52	!! -------------- \|
	53	!! Every ice-covered grid cell is characterized by a series of state \|
	54	!! variables. To account for unresolved spatial variability in ice \|
	55	!! thickness, the ice cover in divided in ice thickness categories. \|
	56	!! \|
	57	!! Sea ice state variables depend on the ice thickness category \|
	58	!! \|
	59	!! Those variables are divided into two groups \|
	60	!! * Extensive (or global) variables. \|
	61	!! These are the variables that are transported by all means \|
	62	!! * Intensive (or equivalent) variables. \|
	63	!! These are the variables that are either physically more \|
	64	!! meaningful and/or used in ice thermodynamics \|
	65	!! \|
	66	!! Routines in limvar.F90 perform conversions \|
	67	!! - lim_var_glo2eqv : from global to equivalent variables \|
	68	!! - lim_var_eqv2glo : from equivalent to global variables \|
	69	!! \|
	70	!! For various purposes, the sea ice state variables have sometimes \|
	71	!! to be aggregated over all ice thickness categories. This operation \|
	72	!! is done in : \|
	73	!! - lim_var_agg \|
	74	!! \|
	75	!! in icestp.F90, the routines that compute the changes in the ice \|
	76	!! state variables are called \|
	77	!! - lim_dyn : ice dynamics \|
	78	!! - lim_trp : ice transport \|
	79	!! - lim_itd_me : mechanical redistribution (ridging and rafting) \|
	80	!! - lim_thd : ice halo-thermodynamics \|
	81	!! - lim_itd_th : thermodynamic changes in ice thickness distribution \|
	82	!! and creation of new ice \|
	83	!! \|
	84	!! See the associated routines for more information \|
	85	!! \|
	86	!! List of ice state variables : \|
	87	!! ----------------------------- \|
	88	!! \|
	89	!!-------------\|-------------\|---------------------------------\|-------\|
	90	!! name in \| name in \| meaning \| units \|
	91	!! 2D routines \| 1D routines \| \| \|
	92	!!-------------\|-------------\|---------------------------------\|-------\|
	93	!! \|
	94	!! ******************************************************************* \|
	95	!! * Dynamical variables (prognostic) * \|
	96	!! ******************************************************************* \|
	97	!! \|
	98	!! u_ice \| - \| Comp. U of the ice velocity \| m/s \|
	99	!! v_ice \| - \| Comp. V of the ice velocity \| m/s \|
	100	!! \|
	101	!! ******************************************************************* \|
	102	!! * Category dependent state variables (prognostic) * \|
	103	!! ******************************************************************* \|
	104	!! \|
	105	!! ** Global variables \|
	106	!!-------------\|-------------\|---------------------------------\|-------\|
	107	!! a_i \| a_i_b \| Ice concentration \| \|
	108	!! v_i \| - \| Ice volume per unit area \| m \|
	109	!! v_s \| - \| Snow volume per unit area \| m \|
	110	!! smv_i \| - \| Sea ice salt content \| ppt.m \|
	111	!! oa_i ! - ! Sea ice areal age content \| day \|
	112	!! e_i ! - ! Ice enthalpy \| 10^9 J\|
	113	!! - ! q_i_b ! Ice enthalpy per unit vol. \| J/m3 \|
	114	!! e_s ! - ! Snow enthalpy \| 10^9 J\|
	115	!! - ! q_s_b ! Snow enthalpy per unit vol. \| J/m3 \|
	116	!! \|
	117	!!-------------\|-------------\|---------------------------------\|-------\|
	118	!! \|
	119	!! ** Equivalent variables \|
	120	!!-------------\|-------------\|---------------------------------\|-------\|
	121	!! \|
	122	!! ht_i \| ht_i_b \| Ice thickness \| m \|
	123	!! ht_s ! ht_s_b \| Snow depth \| m \|
	124	!! sm_i ! sm_i_b \| Sea ice bulk salinity ! ppt \|
	125	!! s_i ! s_i_b \| Sea ice salinity profile ! ppt \|
	126	!! o_i ! - \| Sea ice Age ! days \|
	127	!! t_i ! t_i_b \| Sea ice temperature ! K \|
	128	!! t_s ! t_s_b \| Snow temperature ! K \|
	129	!! t_su ! t_su_b \| Sea ice surface temperature ! K \|
	130	!! \|
	131	!! notes: the ice model only sees a bulk (i.e., vertically averaged) \|
	132	!! salinity, except in thermodynamic computations, for which \|
	133	!! the salinity profile is computed as a function of bulk \|
	134	!! salinity \|
	135	!! \|
	136	!! the sea ice surface temperature is not associated to any \|
	137	!! heat content. Therefore, it is not a state variable and \|
	138	!! does not have to be advected. Nevertheless, it has to be \|
	139	!! computed to determine whether the ice is melting or not \|
	140	!! \|
	141	!! ******************************************************************* \|
	142	!! * Category-summed state variables (diagnostic) * \|
	143	!! ******************************************************************* \|
	144	!! at_i \| at_i_b \| Total ice concentration \| \|
	145	!! vt_i \| - \| Total ice vol. per unit area \| m \|
	146	!! vt_s \| - \| Total snow vol. per unit ar. \| m \|
	147	!! smt_i \| - \| Mean sea ice salinity \| ppt \|
	148	!! tm_i \| - \| Mean sea ice temperature \| K \|
	149	!! ot_i ! - ! Sea ice areal age content \| day \|
	150	!! et_i ! - ! Total ice enthalpy \| 10^9 J\|
	151	!! et_s ! - ! Total snow enthalpy \| 10^9 J\|
	152	!! bv_i ! - ! Mean relative brine volume \| ??? \|
	153	!!=====================================================================
[825]	154
[2528]	155	LOGICAL, PUBLIC :: con_i = .false. ! switch for conservation test
[825]	156
[834]	157	!!--------------------------------------------------------------------------
[825]	158	!! * Share Module variables
[834]	159	!!--------------------------------------------------------------------------
[3625]	160	INTEGER , PUBLIC :: nstart !: iteration number of the begining of the run
	161	INTEGER , PUBLIC :: nlast !: iteration number of the end of the run
	162	INTEGER , PUBLIC :: nitrun !: number of iteration
	163	INTEGER , PUBLIC :: numit !: iteration number
	164	REAL(wp), PUBLIC :: rdt_ice !: ice time step
	165	REAL(wp), PUBLIC :: r1_rdtice !: = 1. / rdt_ice
[1465]	166
[2715]	167	! !! ice-dynamic namelist (namicedyn)
	168	INTEGER , PUBLIC :: nbiter = 1 !: number of sub-time steps for relaxation
	169	INTEGER , PUBLIC :: nbitdr = 250 !: maximum number of iterations for relaxation
	170	INTEGER , PUBLIC :: nevp = 400 !: number of iterations for subcycling
	171	INTEGER , PUBLIC :: nlay_i = 5 !: number of layers in the ice
[825]	172
[2715]	173	! !! ice-dynamic namelist (namicedyn)
	174	REAL(wp), PUBLIC :: epsd = 1.0e-20_wp !: tolerance parameter for dynamic
	175	REAL(wp), PUBLIC :: alpha = 0.5_wp !: coefficient for semi-implicit coriolis
	176	REAL(wp), PUBLIC :: dm = 0.6e+03_wp !: diffusion constant for dynamics
	177	REAL(wp), PUBLIC :: om = 0.5_wp !: relaxation constant
	178	REAL(wp), PUBLIC :: resl = 5.0e-05_wp !: maximum value for the residual of relaxation
	179	REAL(wp), PUBLIC :: cw = 5.0e-03_wp !: drag coefficient for oceanic stress
	180	REAL(wp), PUBLIC :: angvg = 0._wp !: turning angle for oceanic stress
	181	REAL(wp), PUBLIC :: pstar = 1.0e+04_wp !: determines ice strength (N/M), Hibler JPO79
	182	REAL(wp), PUBLIC :: c_rhg = 20._wp !: determines changes in ice strength
	183	REAL(wp), PUBLIC :: etamn = 0.0e+07_wp !: minimun value for viscosity : has to be 0
	184	REAL(wp), PUBLIC :: creepl = 2.0e-08_wp !: creep limit : has to be under 1.0e-9
	185	REAL(wp), PUBLIC :: ecc = 2._wp !: eccentricity of the elliptical yield curve
	186	REAL(wp), PUBLIC :: ahi0 = 350._wp !: sea-ice hor. eddy diffusivity coeff. (m2/s)
	187	REAL(wp), PUBLIC :: telast = 2880._wp !: timescale for elastic waves (s) !SB
	188	REAL(wp), PUBLIC :: alphaevp = 1._wp !: coeficient of the internal stresses !SB
	189	REAL(wp), PUBLIC :: unit_fac = 1.e+09_wp !: conversion factor for ice / snow enthalpy
[4155]	190	REAL(wp), PUBLIC :: hminrhg = 0.001_wp !: clem : ice volume (a*h, in m) below which ice velocity is set to ocean velocity
[825]	191
[2715]	192	! !! ice-salinity namelist (namicesal)
	193	REAL(wp), PUBLIC :: s_i_max = 20.0_wp !: maximum ice salinity [PSU]
	194	REAL(wp), PUBLIC :: s_i_min = 0.1_wp !: minimum ice salinity [PSU]
	195	REAL(wp), PUBLIC :: s_i_0 = 3.5_wp !: 1st sal. value for the computation of sal .prof. [PSU]
	196	REAL(wp), PUBLIC :: s_i_1 = 4.5_wp !: 2nd sal. value for the computation of sal .prof. [PSU]
	197	REAL(wp), PUBLIC :: sal_G = 5.0_wp !: restoring salinity for gravity drainage [PSU]
	198	REAL(wp), PUBLIC :: sal_F = 2.5_wp !: restoring salinity for flushing [PSU]
	199	REAL(wp), PUBLIC :: time_G = 1.728e+06_wp !: restoring time constant for gravity drainage (= 20 days) [s]
	200	REAL(wp), PUBLIC :: time_F = 8.640e+05_wp !: restoring time constant for gravity drainage (= 10 days) [s]
	201	REAL(wp), PUBLIC :: bulk_sal = 4.0_wp !: bulk salinity (ppt) in case of constant salinity
[825]	202
[2715]	203	! !! ice-salinity namelist (namicesal)
	204	INTEGER , PUBLIC :: num_sal = 1 !: salinity configuration used in the model
[3625]	205	! ! 1 - constant salinity in both space and time
[2715]	206	! ! 2 - prognostic salinity (s(z,t))
	207	! ! 3 - salinity profile, constant in time
	208	INTEGER , PUBLIC :: sal_prof = 1 !: salinity profile or not
	209	INTEGER , PUBLIC :: thcon_i_swi = 1 !: thermal conductivity: =1 Untersteiner (1964) ; =2 Pringle et al (2007)
[825]	210
[2715]	211	! !!** ice-mechanical redistribution namelist (namiceitdme)
	212	REAL(wp), PUBLIC :: Cs = 0.25_wp !: fraction of shearing energy contributing to ridging
	213	REAL(wp), PUBLIC :: Cf = 17.0_wp !: ratio of ridging work to PE loss
	214	REAL(wp), PUBLIC :: fsnowrdg = 0.5_wp !: fractional snow loss to the ocean during ridging
	215	REAL(wp), PUBLIC :: fsnowrft = 0.5_wp !: fractional snow loss to the ocean during ridging
	216	REAL(wp), PUBLIC :: Gstar = 0.15_wp !: fractional area of young ice contributing to ridging
	217	REAL(wp), PUBLIC :: astar = 0.05_wp !: equivalent of G* for an exponential participation function
	218	REAL(wp), PUBLIC :: Hstar = 100.0_wp !: thickness that determines the maximal thickness of ridged ice
	219	REAL(wp), PUBLIC :: hparmeter = 0.75_wp !: threshold thickness (m) for rafting / ridging
	220	REAL(wp), PUBLIC :: Craft = 5.0_wp !: coefficient for smoothness of the hyperbolic tangent in rafting
	221	REAL(wp), PUBLIC :: ridge_por = 0.0_wp !: initial porosity of ridges (0.3 regular value)
	222	REAL(wp), PUBLIC :: sal_max_ridge = 15.0_wp !: maximum ridged ice salinity (ppt)
	223	REAL(wp), PUBLIC :: betas = 1.0_wp !: coef. for partitioning of snowfall between leads and sea ice
	224	REAL(wp), PUBLIC :: kappa_i = 1.0_wp !: coef. for the extinction of radiation Grenfell et al. (2006) [1/m]
	225	REAL(wp), PUBLIC :: nconv_i_thd = 50_wp !: maximal number of iterations for heat diffusion
	226	REAL(wp), PUBLIC :: maxer_i_thd = 1.0e-4_wp !: maximal tolerated error (C) for heat diffusion
[825]	227
[2715]	228	! !!** ice-mechanical redistribution namelist (namiceitdme)
	229	INTEGER , PUBLIC :: ridge_scheme_swi = 0 !: scheme used for ice ridging
	230	INTEGER , PUBLIC :: raftswi = 1 !: rafting of ice or not
	231	INTEGER , PUBLIC :: partfun_swi = 1 !: participation function: =0 Thorndike et al. (1975), =1 Lipscomb et al. (2007)
	232	INTEGER , PUBLIC :: transfun_swi = 0 !: transfer function: =0 Hibler 1980, =1 Lipscomb et al. 2007
	233	INTEGER , PUBLIC :: brinstren_swi = 0 !: use brine volume to diminish ice strength
[825]	234
[2715]	235	REAL(wp), PUBLIC :: usecc2 !: = 1.0 / ( ecc * ecc )
	236	REAL(wp), PUBLIC :: rhoco !: = rau0 * cw
	237	REAL(wp), PUBLIC :: sangvg, cangvg !: sin and cos of the turning angle for ocean stress
	238	REAL(wp), PUBLIC :: pstarh !: pstar / 2.0
[825]	239
[2715]	240	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: u_oce, v_oce !: surface ocean velocity used in ice dynamics
	241	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ahiu , ahiv !: hor. diffusivity coeff. at U- and V-points [m2/s]
	242	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: pahu , pahv !: ice hor. eddy diffusivity coef. at U- and V-points
	243	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ust2s, hicol !: friction velocity, ice collection thickness accreted in leads
	244	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: strp1, strp2 !: strength at previous time steps
	245	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: strength !: ice strength
	246	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: stress1_i, stress2_i, stress12_i !: 1st, 2nd & diagonal stress tensor element
	247	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: delta_i !: ice rheology elta factor (Flato & Hibler 95) [s-1]
	248	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: divu_i !: Divergence of the velocity field [s-1]
	249	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: shear_i !: Shear of the velocity field [s-1]
	250	!
	251	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: firic !: IR flux over the ice (diag only)
	252	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fcsic !: Sensible heat flux over the ice (diag only)
	253	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fleic !: Latent heat flux over the ice (diag only)
	254	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: qlatic !: latent flux
	255	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rdvosif !: Variation of volume at surface (diag only)
	256	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rdvobif !: Variation of ice volume at the bottom ice (diag only)
	257	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fdvolif !: Total variation of ice volume (diag only)
	258	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rdvonif !: Lateral Variation of ice volume (diag only)
	259	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sist !: Average Sea-Ice Surface Temperature [Kelvin]
	260	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: icethi !: total ice thickness (for all categories) (diag only)
	261	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: t_bo !: Sea-Ice bottom temperature [Kelvin]
	262	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hicifp !: Ice production/melting==>!obsolete... can be removed
	263	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: frld !: Leads fraction = 1 - ice fraction
	264	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: pfrld !: Leads fraction at previous time
	265	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: phicif !: Old ice thickness
	266	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fbif !: Heat flux at the ice base
[3625]	267	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rdm_snw !: Variation of snow mass over 1 time step [Kg/m2]
[4506]	268	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rdq_snw !: Heat per grid cell area released by snow melt [J/m2], >0 if to the ocean
[3625]	269	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rdm_ice !: Variation of ice mass over 1 time step [Kg/m2]
[4506]	270	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rdq_ice !: Heat per grid cell area taken or released by ice growth and melt [J/m2], >0 if to the ocean
[2715]	271	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: qldif !: heat balance of the lead (or of the open ocean)
	272	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: qcmif !: Energy needed to bring the ocean to freezing
	273	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fdtcn !: net downward heat flux from the ice to the ocean
	274	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: qdtcn !: energy from the ice to the ocean
	275	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fstric !: transmitted solar radiation under ice
	276	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fscmbq !: associated with lead chipotage with solar flux
	277	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ffltbif !: related to max heat contained in brine pockets (?)
	278	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fsbbq !: Also linked with the solar flux below the ice (?)
	279	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: qfvbq !: store energy in case of total lateral ablation (?)
	280	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: dmgwi !: Variation of the mass of snow ice
[3625]	281	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_thd !: salt flux due to ice growth/melt [PSU/m2/s]
	282	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_bri !: salt flux due to brine rejection [PSU/m2/s]
	283	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_mec !: salt flux due to porous ridged ice formation [PSU/m2/s]
	284	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_res !: residual salt flux due to correction of ice thickness [PSU/m2/s]
[2715]	285	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fhbri !: heat flux due to brine rejection
[3625]	286	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fheat_res !: residual heat flux due to correction of ice thickness
	287	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fmmec !: mass flux due to snow loss during compression [Kg/m2/s]
	288	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fhmec !: heat flux due to snow loss during compression
[825]	289
[921]	290	! temporary arrays for dummy version of the code
[2715]	291	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: dh_i_surf2D, dh_i_bott2D, fstbif, fsup2D, focea2D, q_s
[825]	292
[834]	293	!!--------------------------------------------------------------------------
	294	!! * Ice global state variables
	295	!!--------------------------------------------------------------------------
	296	!! Variables defined for each ice category
[2715]	297	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ht_i !: Ice thickness (m)
	298	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: a_i !: Ice fractional areas (concentration)
	299	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: v_i !: Ice volume per unit area (m)
	300	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: v_s !: Snow volume per unit area(m)
	301	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ht_s !: Snow thickness (m)
	302	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: t_su !: Sea-Ice Surface Temperature (K)
	303	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sm_i !: Sea-Ice Bulk salinity (ppt)
	304	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: smv_i !: Sea-Ice Bulk salinity times volume per area (ppt.m)
	305	! ! this is an extensive variable that has to be transported
	306	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: o_i !: Sea-Ice Age (days)
	307	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ov_i !: Sea-Ice Age times volume per area (days.m)
	308	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: oa_i !: Sea-Ice Age times ice area (days)
[825]	309
[2715]	310	!! Variables summed over all categories, or associated to all the ice in a single grid cell
	311	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: u_ice, v_ice !: components of the ice velocity (m/s)
	312	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: tio_u, tio_v !: components of the ice-ocean stress (N/m2)
	313	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: vt_i , vt_s !: ice and snow total volume per unit area (m)
	314	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: at_i !: ice total fractional area (ice concentration)
	315	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ato_i !: =1-at_i ; total open water fractional area
	316	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: et_i , et_s !: ice and snow total heat content
	317	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ot_i !: mean age over all categories
	318	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: tm_i !: mean ice temperature over all categories
	319	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: bv_i !: brine volume averaged over all categories
	320	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: smt_i !: mean sea ice salinity averaged over all categories [PSU]
[825]	321
[2715]	322	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: at_i_typ !: total area contained in each ice type [m^2]
	323	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: vt_i_typ !: total volume contained in each ice type [m^3]
[825]	324
[2715]	325	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: t_s !: Snow temperatures [K]
	326	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: e_s !: Snow ...
[825]	327
[2715]	328	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: e_i_cat !: ! go to trash
	329
	330	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: t_i !: ice temperatures [K]
	331	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: e_i !: ice thermal contents [Giga J]
	332	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: s_i !: ice salinities [PSU]
[825]	333
[834]	334	!!--------------------------------------------------------------------------
	335	!! * Moments for advection
	336	!!--------------------------------------------------------------------------
[2715]	337	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sxopw, syopw, sxxopw, syyopw, sxyopw !: open water in sea ice
	338	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxice, syice, sxxice, syyice, sxyice !: ice thickness
	339	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsn , sysn , sxxsn , syysn , sxysn !: snow thickness
	340	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxa , sya , sxxa , syya , sxya !: lead fraction
	341	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxc0 , syc0 , sxxc0 , syyc0 , sxyc0 !: snow thermal content
	342	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsal, sysal, sxxsal, syysal, sxysal !: ice salinity
	343	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxage, syage, sxxage, syyage, sxyage !: ice age
	344	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sxe , sye , sxxe , syye , sxye !: ice layers heat content
[825]	345
[834]	346	!!--------------------------------------------------------------------------
	347	!! * Old values of global variables
	348	!!--------------------------------------------------------------------------
[2715]	349	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: old_v_s, old_v_i !: snow and ice volumes
	350	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: old_a_i, old_smv_i, old_oa_i !: ???
	351	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: old_e_s !: snow heat content
	352	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: old_e_i !: ice temperatures
	353	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: old_u_ice, old_v_ice !: ice velocity (gv6 and gv7)
	354
[825]	355
[834]	356	!!--------------------------------------------------------------------------
	357	!! * Increment of global variables
	358	!!--------------------------------------------------------------------------
	359	! thd refers to changes induced by thermodynamics
	360	! trp '' '' '' advection (transport of ice)
[2715]	361	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: d_a_i_thd , d_a_i_trp !: icefractions
	362	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: d_v_s_thd , d_v_s_trp !: snow volume
	363	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: d_v_i_thd , d_v_i_trp !: ice volume
	364	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: d_smv_i_thd, d_smv_i_trp !:
	365	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: d_sm_i_fl , d_sm_i_gd !:
	366	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: d_sm_i_se , d_sm_i_si , d_sm_i_la !:
	367	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: d_oa_i_thd , d_oa_i_trp , s_i_newice !:
[825]	368
[2715]	369	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: d_e_s_thd , d_e_s_trp !:
	370	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: d_e_i_thd , d_e_i_trp !:
	371	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: d_u_ice_dyn, d_v_ice_dyn !: ice velocity
	372
[834]	373	!!--------------------------------------------------------------------------
	374	!! * Ice thickness distribution variables
	375	!!--------------------------------------------------------------------------
	376	! REMOVE
[2715]	377	INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: ice_types !: Vector connecting types and categories
	378	INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ice_cat_bounds !: Matrix containing the integer upper and
	379	! ! lower boundaries of ice thickness categories
[834]	380	! REMOVE
[2715]	381	INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: ice_ncat_types !: nb of thickness categories in each ice type
	382	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: hi_max !: Boundary of ice thickness categories in thickness space
	383	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: hi_mean !: Mean ice thickness in catgories
[834]	384	! REMOVE
[2715]	385	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hi_max_typ !: Boundary of ice thickness categories in thickness space
[825]	386
[834]	387	!!--------------------------------------------------------------------------
[921]	388	!! * Ice Run
	389	!!--------------------------------------------------------------------------
[2715]	390	! !!: Namelist namicerun read in iceini
[1229]	391	CHARACTER(len=32) , PUBLIC :: cn_icerst_in = "restart_ice_in" !: suffix of ice restart name (input)
	392	CHARACTER(len=32) , PUBLIC :: cn_icerst_out = "restart_ice" !: suffix of ice restart name (output)
	393	LOGICAL , PUBLIC :: ln_limdyn = .TRUE. !: flag for ice dynamics (T) or not (F)
[4099]	394	LOGICAL , PUBLIC :: ln_nicep = .FALSE. !: flag for sea-ice points output (T) or not (F)
[4332]	395	REAL(wp) , PUBLIC :: cai = 1.4e-3 !: atmospheric drag over sea ice
	396	REAL(wp) , PUBLIC :: cao = 1.0e-3 !: atmospheric drag over ocean
[4045]	397	REAL(wp) , PUBLIC :: amax = 0.99 !: maximum ice concentration
[4220]	398	!
[921]	399	!!--------------------------------------------------------------------------
[834]	400	!! * Ice diagnostics
	401	!!--------------------------------------------------------------------------
	402	!! Check if everything down here is necessary
[4099]	403	LOGICAL , PUBLIC :: ln_limdiahsb = .FALSE. !: flag for ice diag (T) or not (F)
	404	LOGICAL , PUBLIC :: ln_limdiaout = .FALSE. !: flag for ice diag (T) or not (F)
[2715]	405	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: v_newice !: volume of ice formed in the leads
	406	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: dv_dt_thd !: thermodynamic growth rates
	407	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: izero, fstroc, fhbricat
	408	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_sni_gr ! snow ice growth
	409	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_lat_gr ! lateral ice growth
	410	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_bot_gr ! bottom ice growth
	411	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_dyn_gr ! dynamical ice growth
	412	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_bot_me ! vertical bottom melt
	413	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_sur_me ! vertical surface melt
[4045]	414	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_res_pr ! production (growth+melt) due to limupdate
	415	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: diag_trp_vi ! transport of ice volume
[888]	416	INTEGER , PUBLIC :: jiindx, jjindx !: indexes of the debugging point
[825]	417
[2715]	418	!!----------------------------------------------------------------------
[4045]	419	!! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2010)
[2715]	420	!! $Id$
	421	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
	422	!!----------------------------------------------------------------------
	423	CONTAINS
	424
	425	FUNCTION ice_alloc()
	426	!!-----------------------------------------------------------------
	427	!! * Routine ice_alloc_2 *
	428	!!-----------------------------------------------------------------
	429	INTEGER :: ice_alloc
	430	!
	431	INTEGER :: ierr(20), ii
	432	!!-----------------------------------------------------------------
	433
	434	ierr(:) = 0
	435
	436	! What could be one huge allocate statement is broken-up to try to
	437	! stay within Fortran's max-line length limit.
	438	ii = 1
	439	ALLOCATE( u_oce (jpi,jpj) , v_oce (jpi,jpj) , &
	440	& ahiu (jpi,jpj) , ahiv (jpi,jpj) , &
	441	& pahu (jpi,jpj) , pahv (jpi,jpj) , &
	442	& ust2s (jpi,jpj) , hicol (jpi,jpj) , &
	443	& strp1 (jpi,jpj) , strp2 (jpi,jpj) , strength (jpi,jpj) , &
	444	& stress1_i(jpi,jpj) , stress2_i(jpi,jpj) , stress12_i(jpi,jpj) , &
	445	& delta_i (jpi,jpj) , divu_i (jpi,jpj) , shear_i (jpi,jpj) , STAT=ierr(ii) )
	446
	447	ii = ii + 1
[3625]	448	ALLOCATE( firic (jpi,jpj) , fcsic (jpi,jpj) , fleic (jpi,jpj) , qlatic (jpi,jpj) , &
	449	& rdvosif (jpi,jpj) , rdvobif(jpi,jpj) , fdvolif(jpi,jpj) , rdvonif (jpi,jpj) , &
	450	& sist (jpi,jpj) , icethi (jpi,jpj) , t_bo (jpi,jpj) , hicifp (jpi,jpj) , &
	451	& frld (jpi,jpj) , pfrld (jpi,jpj) , phicif (jpi,jpj) , fbif (jpi,jpj) , &
	452	& rdm_snw (jpi,jpj) , rdq_snw(jpi,jpj) , rdm_ice(jpi,jpj) , rdq_ice (jpi,jpj) , &
	453	& qldif (jpi,jpj) , qcmif (jpi,jpj) , &
	454	& fdtcn (jpi,jpj) , qdtcn (jpi,jpj) , fstric (jpi,jpj) , fscmbq (jpi,jpj) , &
	455	& ffltbif (jpi,jpj) , fsbbq (jpi,jpj) , qfvbq (jpi,jpj) , dmgwi (jpi,jpj) , &
[4506]	456	& sfx_res (jpi,jpj) , sfx_bri(jpi,jpj) , sfx_mec(jpi,jpj) , fhbri (jpi,jpj) , &
	457	& fmmec (jpi,jpj) , sfx_thd(jpi,jpj) , fhmec (jpi,jpj) , &
[3625]	458	& fheat_res(jpi,jpj) , STAT=ierr(ii) )
[2715]	459
	460	ii = ii + 1
	461	ALLOCATE( dh_i_surf2D(jpi,jpj) , dh_i_bott2D(jpi,jpj) , fstbif(jpi,jpj) , &
	462	& fsup2D (jpi,jpj) , focea2D (jpi,jpj) , q_s (jpi,jpj) , STAT=ierr(ii) )
	463
	464	! * Ice global state variables
	465	ii = ii + 1
	466	ALLOCATE( ht_i (jpi,jpj,jpl) , a_i (jpi,jpj,jpl) , v_i (jpi,jpj,jpl) , &
	467	& v_s (jpi,jpj,jpl) , ht_s (jpi,jpj,jpl) , t_su (jpi,jpj,jpl) , &
	468	& sm_i (jpi,jpj,jpl) , smv_i(jpi,jpj,jpl) , o_i (jpi,jpj,jpl) , &
	469	& ov_i (jpi,jpj,jpl) , oa_i (jpi,jpj,jpl) , STAT=ierr(ii) )
	470	ii = ii + 1
	471	ALLOCATE( u_ice(jpi,jpj) , v_ice(jpi,jpj) , tio_u(jpi,jpj) , tio_v(jpi,jpj) , &
	472	& vt_i (jpi,jpj) , vt_s (jpi,jpj) , at_i (jpi,jpj) , ato_i(jpi,jpj) , &
	473	& et_i (jpi,jpj) , et_s (jpi,jpj) , ot_i (jpi,jpj) , tm_i (jpi,jpj) , &
	474	& bv_i (jpi,jpj) , smt_i(jpi,jpj) , STAT=ierr(ii) )
	475	ii = ii + 1
	476	ALLOCATE( t_s(jpi,jpj,nlay_s,jpl) , at_i_typ(jpi,jpj,jpm) , &
	477	& e_s(jpi,jpj,nlay_s,jpl) , vt_i_typ(jpi,jpj,jpm) , e_i_cat(jpi,jpj,jpl) , STAT=ierr(ii) )
	478	ii = ii + 1
	479	ALLOCATE( t_i(jpi,jpj,jkmax,jpl) , e_i(jpi,jpj,jkmax,jpl) , s_i(jpi,jpj,jkmax,jpl) , STAT=ierr(ii) )
	480
	481	! * Moments for advection
	482	ii = ii + 1
	483	ALLOCATE( sxopw(jpi,jpj) , syopw(jpi,jpj) , sxxopw(jpi,jpj) , syyopw(jpi,jpj) , sxyopw(jpi,jpj) , STAT=ierr(ii) )
	484	ii = ii + 1
	485	ALLOCATE( sxice(jpi,jpj,jpl) , syice(jpi,jpj,jpl) , sxxice(jpi,jpj,jpl) , syyice(jpi,jpj,jpl) , sxyice(jpi,jpj,jpl) , &
	486	& sxsn (jpi,jpj,jpl) , sysn (jpi,jpj,jpl) , sxxsn (jpi,jpj,jpl) , syysn (jpi,jpj,jpl) , sxysn (jpi,jpj,jpl) , &
	487	& STAT=ierr(ii) )
	488	ii = ii + 1
	489	ALLOCATE( sxa (jpi,jpj,jpl) , sya (jpi,jpj,jpl) , sxxa (jpi,jpj,jpl) , syya (jpi,jpj,jpl) , sxya (jpi,jpj,jpl) , &
	490	& sxc0 (jpi,jpj,jpl) , syc0 (jpi,jpj,jpl) , sxxc0 (jpi,jpj,jpl) , syyc0 (jpi,jpj,jpl) , sxyc0 (jpi,jpj,jpl) , &
	491	& sxsal(jpi,jpj,jpl) , sysal(jpi,jpj,jpl) , sxxsal(jpi,jpj,jpl) , syysal(jpi,jpj,jpl) , sxysal(jpi,jpj,jpl) , &
	492	& sxage(jpi,jpj,jpl) , syage(jpi,jpj,jpl) , sxxage(jpi,jpj,jpl) , syyage(jpi,jpj,jpl) , sxyage(jpi,jpj,jpl) , &
	493	& STAT=ierr(ii) )
	494	ii = ii + 1
	495	ALLOCATE( sxe (jpi,jpj,jkmax,jpl) , sye (jpi,jpj,jkmax,jpl) , sxxe(jpi,jpj,jkmax,jpl) , &
	496	& syye(jpi,jpj,jkmax,jpl) , sxye(jpi,jpj,jkmax,jpl) , STAT=ierr(ii) )
	497
	498	! * Old values of global variables
	499	ii = ii + 1
	500	ALLOCATE( old_v_s (jpi,jpj,jpl) , old_v_i (jpi,jpj,jpl) , old_e_s(jpi,jpj,nlay_s,jpl) , &
	501	& old_a_i (jpi,jpj,jpl) , old_smv_i(jpi,jpj,jpl) , old_e_i(jpi,jpj,jkmax ,jpl) , &
	502	& old_oa_i (jpi,jpj,jpl) , &
	503	& old_u_ice(jpi,jpj) , old_v_ice(jpi,jpj) , STAT=ierr(ii) )
	504
	505	! * Increment of global variables
	506	ii = ii + 1
	507	ALLOCATE( d_a_i_thd(jpi,jpj,jpl) , d_a_i_trp (jpi,jpj,jpl) , d_v_s_thd (jpi,jpj,jpl) , d_v_s_trp (jpi,jpj,jpl) , &
	508	& d_v_i_thd(jpi,jpj,jpl) , d_v_i_trp (jpi,jpj,jpl) , d_smv_i_thd(jpi,jpj,jpl) , d_smv_i_trp(jpi,jpj,jpl) , &
	509	& d_sm_i_fl(jpi,jpj,jpl) , d_sm_i_gd (jpi,jpj,jpl) , d_sm_i_se (jpi,jpj,jpl) , d_sm_i_si (jpi,jpj,jpl) , &
	510	& d_sm_i_la(jpi,jpj,jpl) , d_oa_i_thd(jpi,jpj,jpl) , d_oa_i_trp (jpi,jpj,jpl) , s_i_newice (jpi,jpj,jpl) , &
	511	& STAT=ierr(ii) )
	512	ii = ii + 1
	513	ALLOCATE( d_e_s_thd(jpi,jpj,nlay_s,jpl) , d_e_i_thd(jpi,jpj,jkmax,jpl) , d_u_ice_dyn(jpi,jpj) , &
	514	& d_e_s_trp(jpi,jpj,nlay_s,jpl) , d_e_i_trp(jpi,jpj,jkmax,jpl) , d_v_ice_dyn(jpi,jpj) , STAT=ierr(ii) )
	515
	516	! * Ice thickness distribution variables
	517	ii = ii + 1
	518	ALLOCATE( ice_types(jpl) , ice_cat_bounds(jpm,2) , ice_ncat_types (jpm) , &
	519	& hi_max (0:jpl) , hi_mean(jpl) , hi_max_typ(0:jpl,jpm) , STAT=ierr(ii) )
	520
	521	! * Ice diagnostics
	522	ii = ii + 1
	523	ALLOCATE( dv_dt_thd(jpi,jpj,jpl) , diag_sni_gr(jpi,jpj) , diag_lat_gr(jpi,jpj) , &
	524	& izero (jpi,jpj,jpl) , diag_bot_gr(jpi,jpj) , diag_dyn_gr(jpi,jpj) , &
	525	& fstroc (jpi,jpj,jpl) , diag_bot_me(jpi,jpj) , diag_sur_me(jpi,jpj) , &
[4045]	526	& fhbricat (jpi,jpj,jpl) , diag_res_pr(jpi,jpj) , diag_trp_vi(jpi,jpj) , v_newice(jpi,jpj) , STAT=ierr(ii) )
[2715]	527
	528	ice_alloc = MAXVAL( ierr(:) )
	529	IF( ice_alloc /= 0 ) CALL ctl_warn('ice_alloc_2: failed to allocate arrays.')
	530	!
	531	END FUNCTION ice_alloc
	532
[825]	533	#else
	534	!!----------------------------------------------------------------------
	535	!! Default option Empty module NO LIM sea-ice model
	536	!!----------------------------------------------------------------------
	537	#endif
	538
	539	!!======================================================================
	540	END MODULE ice

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