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revision 1.762 by jmc, Sat Dec 30 22:15:37 2006 UTC revision 1.845 by jmc, Thu Jun 21 18:34:24 2007 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
8      scheme and the corresponding test case (under front_relax dir). For now,
9      only available with Skew-flux form and not yet tested in realistic set-up.
10    o seaice adjoint
11      * add AREA, HEFF, HSNOW as control variable
12        (should not change lab_sea results)
13      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
14    
15    checkpoint59d
16    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
17     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
18     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
19    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
20     and change default value of parameter "GM_Small_Number";
21     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
22       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
23       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
24    o pkg/ecco: cost function when applying pkg/smooth to controls
25    o pkg/ctrl: add forcingPrecond run time parameter
26    o pkg/seaice:
27     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
28     - fix bug in metric terms of u-equation in LSR solver (implicit part),
29       changes verification/lab_sea
30     - rearrange implicit part of u-equation in LSR solver to make it easier to
31       read, understand, and debug. This causes changes at the truncation level.
32     - fix (serious) bug in the boundary conditions (sign error in the implicit
33       part) of the LSR solver. Changes all LSR results.
34     - fixed problem with HSNOW initialization to avoid thick snow when AREA
35       is initilized with small values - does not change lab_sea results.
36     - added HsnowFile initialization capability
37    o pkg/smooth: addition to model/src and pkg/ctrl so allow
38     initialization of pkg/smooth and application to control vector
39    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
40    o dependencies: pkg/profiles requires pkg/cal
41    o pkg/profiles:
42     - added option ALLOW_PROFILES_GENERICGRID
43         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
44         that interpolation information (grid points and coefficients) is provided
45         within the netcdf input files.
46         -> sample matlab scripts can be found in MITgcm_contrib/gael
47         that allow you to prepare netcdf input files.
48     - also modified: cleaner include statements, cleaner error print statements,
49       cleaner stops when error, and more tests of the netcdf input files consistency.
50    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
51    o pkg/seaice:
52     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
53       requires a new routine: seaice_diagnostics_fill.F
54     - make sure that seaice does not move if not forced (pressure replacement
55       method, Hibler and Ip, 1995), changes results
56     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
57     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
58       It is turned off by default (=-1.), because it changes the results.
59     - make it possible to read AREA from a file, too.
60    
61    checkpoint59c
62    o add S/R and diagnostics for oceanic mixed-layer depth
63    o move GMRedi call after all vertical mixing schemes (including KPP)
64    o pkg/thsice:
65     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
66      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
67    o pkg/obcs:
68     - bug fix for balance code
69    o pkg/seaice:
70      - allow values of SEAICE_elasticParm > 1
71      - add new parameter SEAICE_evpTauRelax as an alternative
72        to SEAICE_elasticParm
73      - make lsr boundary conditions free slip (by default), changes result
74      - add code for no slip boundary conditions for lsr
75      - set minimum of zeta to zero (and not 4e8) (changes results)
76      - add a cap on AREA after advecting AREA if seaice_growth is not called
77    o change calculation of Visbeck K:
78      - no longer depend on tapering scheme; instead, compute slope (limited
79        by GM_maxSlope). this is equivalent to what was comuted before with
80        clipping or linear tappering.
81      - fix vertical averaging (wrong by 1/2 level)
82      - leave the old version (but will not be maintained) within
83        #ifdef OLD_VISBECK_CALC / #endif
84      - update output of exp. ideal_2D_oce
85    o change error catch in calc_r_star to improve vectorization
86    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
87      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
88    o adjoint:
89      Re-organized adjoint checkpointing according to Matt Mazloff
90      (but with modifs/completions/cleanups)
91      Storing is now bundled into large arrays to optimized I/O
92      (and second step in cleanup of the_main_loop)
93    
94    checkpoint59b
95    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
96      - export/import (between ocean & coupler) fields needed for ocean DIC.
97    o pkg/seaice:
98      - get rid of three more exchanges seaice_calc_viscosities (required
99        different loop boundaries in seaice_lsr and seaice_ocean_stress)
100      - bug fix in seaice_ocean_stress (update of lab_sea required)
101      - reduce loop boundaries to necessary minimum also in seaice_evp
102      - go back to the old way of computing deltaC/Z as the adjoint likes that
103        better
104    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
105      passive tracer to an Age Tracer) + update output.txt
106    o pkg/exf:
107      - implement A-grid / C-grid selection for wind-stress input files.
108      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
109      for now, in exf_bulk_largeyeager04.F only :
110      - change implementation for case where windspeed + 2. components wind-stress
111        are read-in. AND use rhoConstFresh to convert evap.
112    o pkg/seaice:
113      - use correct EXCH_UV for wind-forcing (on A-grid).
114      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
115        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
116    o pkg/exf:
117      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
118      EXF_INTERPOLATION:
119      - merge global_with_exf/code version of exf_interp_read.F
120        to the main code ;
121      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
122        reading the file ; Important: This options needs to be defined to recover
123        previous code.
124        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
125      - no longer loose real*8 precision along the way when using exf_iprec=64.
126    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
127      - change discretisation of evp-solver in order to avoid another exchange
128        (changes lab_sea) and clean up a little
129      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
130        help the adjoint (this also changes the results slightly)
131      - add a few "_d 0" where they had been missing in seaice_evp.F
132      - cleaning up: remove unused seaice_calc_rhs.F
133    o pkg/exf: some cleaning-up:
134      - change various "constants" into runtime parameters
135      - cleaned-up Large&Yeager04 routine which should eventually
136        replace exf_bulkformulae.F (changed names of S/R and CPP)
137        and merged various ALLOW_ATM_WIND options
138     only used with thsice pkg (in thsice_get_exf.F):
139      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
140        which are used when useStabilityFct_overIce=TRUE (= the default)
141      - change default values of ice & snow emissivity and scale downward LW
142        by ice & snow emissivity.
143    o pkg/thsice:
144     fix few little problems, in thsice_calc_thickn.F:
145      - growth vertically (and not laterally) if iceFrac == iceMaskMax
146      - melt only laterally if hIce < hThinIce (as the comments say)
147      and in thsice_extend.F:
148      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
149      - start to form ice as soon as the minimum ice-volume is reachable.
150     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
151      and cpl_aim+ocn
152    o pkg/kpp
153     - move computation of surface related input fields to KPP into a new
154       subroutine kpp_forcing_surf.F
155     - remove wrong (within bi,bj loops) EXCH calls.
156     - little cleaning (add argument myThid in last position, cvs header ...)
157     - for now, fix conservation problem by exchanging KPPviscAz (may not
158       be the best fix)
159    o pkg/seaice
160     - check for inconsistent evp parameter/cpp-flag combination
161     - remove leftover errIO flat for obsolete name list error handling
162    o OpenAD
163     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
164    
165    checkpoint59a
166    o pkg/seaice: some parameter clarifications and a little bit of clean up
167    o pkg/thsice: rename run-time parameters:
168       himin       -> hIceMin
169       himin0      -> hThinIce
170       hihig       -> hThickIce
171       i0          -> i0swFrac
172       transCoef   -> bMeltCoef
173       frac_energy -> fracMelting
174      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
175       with default values (for now) that do not change the results.
176      remove old version of thsice vars advection in pkg/seaice.
177    o in FFIELDS.h:
178      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
179      - make pLoad & sIceLoad always available (but still only used if
180         ATMOSPHERIC_LOADING is #define).
181    o pkg/kpp: replaced _KPP_RL with _RL
182    o bug fixes for vertical diffusivity computations when both KPP and
183        3D diffusivity arrays are used.
184    o pkg/seaice: fix bug in evp solver, while doing that
185      - change (improve?) discretization of stress computations for both
186        cgrid-lsr and evp solver
187      - add a new routine to compute strain rates
188      - the above changes lab_sea results
189      - add no slip conditions for evp solver (off by default), lsr-version
190        may follow
191      - fix exchange for shear at Z-points (does not change lab_sea)
192      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
193        (to force the user to pick a time step since there is not "safe" way
194        of choosing it)
195      - add principal stress diagnostics
196      - rearrange fields for evp a little to avoid having to call a: too many
197        exchanges and b: exchanges for stress trensor components which we do
198        not have.
199      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
200        of evp, complete rewrite for lsr case (latter is does not yet work
201        in all cases)
202    o pkg/kpp: add code to have mixing in shelf ice caverns
203      - add myThid to all kpp routines (long overdue)
204    
205    checkpoint59
206    o pkg/exf:
207      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
208        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
209      - move exf header files from lower_case.h to UPPER_CASE.h ;
210        add missing cvs Header & Name
211      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
212      - add namelist param. selectStressGridPosition, exf_monFreq
213      - retire many _CLIM routines, and remove data.exf_clim
214        + params moved to data.exf
215        + climsst, climsss now handled by exf_set_gen, i.e.
216          climss?period=0 refers to constant field,
217          climss?period=-12 to monthly forcing
218      - split up namelists in data.exf
219    o pkg/seaice:
220      - remove seaice_exch and seaice_exch_uv
221      - remove superfluous exchange of theta
222      - add myThid to seaice_budget_ocean/ice
223      - add new interface for atmospheric wind forcing (C-grid only)
224        + new routine
225        + two new field (taux, tauy for stress over ice)
226        + removed one global field (DAIRN) for C-grid case only
227    o pkg/thsise
228      - 2nd set of modifs for thsice adjoint in conjunction with exf
229    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
230    
231    checkpoint58y_post
232    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
233      vertical diffusivity, similar to that in MOM4; turned on using
234      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
235      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
236    o Added capability for 3D specification of background vertical diffusion
237      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
238      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
239      "data" file that contains the 3D vertical diffusivity coefficients.
240    o ice dynamics (pkg/seaice) with thsice thermodynamics:
241      - add code within pkg thsice to advect & diffuse sea-ice fields
242      similar to (and will replace) what has been added in  seaice_advdiff.F,
243      but: - conserving Mass, Heat & Salt.
244           - better when using non-linear advection scheme (not yet fully tested)
245           - can also be used in atmospheric set-up (for now, only the diffusion).
246    
247    checkpoint58x_post
248    o IO option for global-file compact format:
249      - add options when generating topology (utils/exch2/matlab-topology-generator)
250      - add I/O capability (pkg/mdsio).
251      - adapt utils/matlab/rdmds.m to read this format.
252      for now long-line format not yet supported by pkg/mdsio (& exch2).
253    o shelfice: add a few diagnostics
254    
255    checkpoint58w_post
256    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
257      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
258      (and replace horiVertRatio in NH code).
259      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
260                         and tutorial_plume_on_slope (sensitive to truncation)
261    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
262      directly to drive seaice model (C-grid only)
263    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
264     - reintroduce computation of wind from stress,
265     - compute tau (in exf_bulkformulae.F) from windstress averaged to
266       mass points to avoid tau = 0
267     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
268    o rdmnc.m: make it work with "global" files created with gluemnc
269    o rdmnc.m : some improvements in dealing with singleton dimension
270      (tested on all testreport mnc output files).
271    o genmake2: disable pkg/profiles if netcdf test fails.
272    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
273    o move call to cal_readparms up to make calendar parameters/variable available
274      to all packages
275    
276    checkpoint58v_post
277    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
278      useDynP_inEos_Zc tested.
279    o pkg/exf: changes to properly interpolate/mask/scale initial fields
280    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
281      and portions thereof.  See read_cs.txt for description and examples.
282    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
283      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
284      following the great-circle arc between those 2 points.
285    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
286      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
287    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
288     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
289     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
290     - still needs work (not working with some options ; efficiency to improve)
291       and serious testing.
292     - use this scheme for temperature & salinity in 2 advection test exp.:
293       advect_xy & advect_xz, respectively.
294    
295    checkpoint58u_post
296    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
297    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
298    o testreport: add option "-skipdir" to skip some test.
299    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
300      momentum calculation.
301    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
302    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
303      remove checkpoint.F and the_correction_step.F (no longer used);
304      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
305    o add option (linFSConserveTr) to correct for tracer source/sink due to
306      Linear Free surface
307    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
308    o pkg/thsice: fix reading mnc-pickups
309    
310  checkpoint58t_post  checkpoint58t_post
311  o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)  o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
312  o pkg/mdsio:  o pkg/mdsio:
# Line 21  o pkg/diagnostics: change vertical inter Line 324  o pkg/diagnostics: change vertical inter
324    add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right    add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
325     diagnostic pointer.     diagnostic pointer.
326  o pkg/seaice: more cleaning up of seaice_growth, added many comments  o pkg/seaice: more cleaning up of seaice_growth, added many comments
327  o pkg/exf: put runoff0 and runoff into the appropriate common block  o pkg/exf: put runoff0 and runoff1 into the appropriate common block
328  o fix multi-category seaice:  o fix multi-category seaice:
329   - change cpp flag SEAICE_MULTILEVEL to more meaningful name:   - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
330     SEAICE_MULTICATEGORY     SEAICE_MULTICATEGORY

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