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revision 1.753 by dimitri, Mon Dec 11 16:19:19 2006 UTC revision 1.825 by mlosch, Wed May 30 10:56:27 2007 UTC
# Line 3  $Name$ Line 3  $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/obcs:
8     - bug fix for balance code
9    o pkg/seaice:
10      - allow values of SEAICE_elasticParm > 1
11      - add new parameter SEAICE_evpTauRelax as an alternative to SEAICE_elasticParm
12      - make lsr boundary conditions free slip (by default), changes result
13      - add code for no slip boundary conditions for lsr
14      - set minimum of zeta to zero (and not 4e8) (changes results)
15    o change calculation of Visbeck K:
16      - no longer depend on tapering scheme; instead, compute slope (limited
17        by GM_maxSlope). this is equivalent to what was comuted before with
18        clipping or linear tappering.
19      - fix vertical averaging (wrong by 1 level)
20      - leave the old version (but will not be maintained) within
21        #ifdef OLD_VISBECK_CALC / #endif
22    o change error catch in calc_r_star to improve vectorization
23    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
24      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
25    
26    checkpoint59b
27    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
28      - export/import (between ocean & coupler) fields needed for ocean DIC.
29    o pkg/seaice:
30      - get rid of three more exchanges seaice_calc_viscosities (required
31        different loop boundaries in seaice_lsr and seaice_ocean_stress)
32      - bug fix in seaice_ocean_stress (update of lab_sea required)
33      - reduce loop boundaries to necessary minimum also in seaice_evp
34      - go back to the old way of computing deltaC/Z as the adjoint likes that
35        better
36    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
37      passive tracer to an Age Tracer) + update output.txt
38    o pkg/exf:
39      - implement A-grid / C-grid selection for wind-stress input files.
40      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
41      for now, in exf_bulk_largeyeager04.F only :
42      - change implementation for case where windspeed + 2. components wind-stress
43        are read-in. AND use rhoConstFresh to convert evap.
44    o pkg/seaice:
45      - use correct EXCH_UV for wind-forcing (on A-grid).
46      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
47        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
48    o pkg/exf:
49      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
50      EXF_INTERPOLATION:
51      - merge global_with_exf/code version of exf_interp_read.F
52        to the main code ;
53      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
54        reading the file ; Important: This options needs to be defined to recover
55        previous code.
56        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
57      - no longer loose real*8 precision along the way when using exf_iprec=64.
58    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
59      - change discretisation of evp-solver in order to avoid another exchange
60        (changes lab_sea) and clean up a little
61      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
62        help the adjoint (this also changes the results slightly)
63      - add a few "_d 0" where they had been missing in seaice_evp.F
64      - cleaning up: remove unused seaice_calc_rhs.F
65    o pkg/exf: some cleaning-up:
66      - change various "constants" into runtime parameters
67      - cleaned-up Large&Yeager04 routine which should eventually
68        replace exf_bulkformulae.F (changed names of S/R and CPP)
69        and merged various ALLOW_ATM_WIND options
70     only used with thsice pkg (in thsice_get_exf.F):
71      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
72        which are used when useStabilityFct_overIce=TRUE (= the default)
73      - change default values of ice & snow emissivity and scale downward LW
74        by ice & snow emissivity.
75    o pkg/thsice:
76     fix few little problems, in thsice_calc_thickn.F:
77      - growth vertically (and not laterally) if iceFrac == iceMaskMax
78      - melt laterally only if hIce < hThinIce (as the comments say)
79      and in thsice_extend.F:
80      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
81      - start to form ice as soon as the minimum ice-volume is reachable.
82     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
83      and cpl_aim+ocn
84    o pkg/kpp
85     - move computation of surface related input fields to KPP into a new
86       subroutine kpp_forcing_surf.F
87     - remove wrong (within bi,bj loops) EXCH calls.
88     - little cleaning (add argument myThid in last position, cvs header ...)
89     - for now, fix conservation problem by exchanging KPPviscAz (may not
90       be the best fix)
91    o pkg/seaice
92     - check for inconsistent evp parameter/cpp-flag combination
93     - remove leftover errIO flat for obsolete name list error handling
94    o OpenAD
95     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
96    
97    checkpoint59a
98    o pkg/seaice: some parameter clarifications and a little bit of clean up
99    o pkg/thsice: rename run-time parameters:
100       himin       -> hIceMin
101       himin0      -> hThinIce
102       hihig       -> hThickIce
103       i0          -> i0swFrac
104       transCoef   -> bMeltCoef
105       frac_energy -> fracMelting
106      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
107       with default values (for now) that do not change the results.
108      remove old version of thsice vars advection in pkg/seaice.
109    o in FFIELDS.h:
110      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
111      - make pLoad & sIceLoad always available (but still only used if
112         ATMOSPHERIC_LOADING is #define).
113    o pkg/kpp: replaced _KPP_RL with _RL
114    o bug fixes for vertical diffusivity computations when both KPP and
115        3D diffusivity arrays are used.
116    o pkg/seaice: fix bug in evp solver, while doing that
117      - change (improve?) discretization of stress computations for both
118        cgrid-lsr and evp solver
119      - add a new routine to compute strain rates
120      - the above changes lab_sea results
121      - add no slip conditions for evp solver (off by default), lsr-version
122        may follow
123      - fix exchange for shear at Z-points (does not change lab_sea)
124      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
125        (to force the user to pick a time step since there is not "safe" way
126        of choosing it)
127      - add principal stress diagnostics
128      - rearrange fields for evp a little to avoid having to call a: too many
129        exchanges and b: exchanges for stress trensor components which we do
130        not have.
131      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
132        of evp, complete rewrite for lsr case (latter is does not yet work
133        in all cases)
134    o pkg/kpp: add code to have mixing in shelf ice caverns
135      - add myThid to all kpp routines (long overdue)
136    
137    checkpoint59
138    o pkg/exf:
139      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
140        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
141      - move exf header files from lower_case.h to UPPER_CASE.h ;
142        add missing cvs Header & Name
143      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
144      - add namelist param. selectStressGridPosition, exf_monFreq
145      - retire many _CLIM routines, and remove data.exf_clim
146        + params moved to data.exf
147        + climsst, climsss now handled by exf_set_gen, i.e.
148          climss?period=0 refers to constant field,
149          climss?period=-12 to monthly forcing
150      - split up namelists in data.exf
151    o pkg/seaice:
152      - remove seaice_exch and seaice_exch_uv
153      - remove superfluous exchange of theta
154      - add myThid to seaice_budget_ocean/ice
155      - add new interface for atmospheric wind forcing (C-grid only)
156        + new routine
157        + two new field (taux, tauy for stress over ice)
158        + removed one global field (DAIRN) for C-grid case only
159    o pkg/thsise
160      - 2nd set of modifs for thsice adjoint in conjunction with exf
161    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
162    
163    checkpoint58y_post
164    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
165      vertical diffusivity, similar to that in MOM4; turned on using
166      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
167      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
168    o Added capability for 3D specification of background vertical diffusion
169      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
170      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
171      "data" file that contains the 3D vertical diffusivity coefficients.
172    o ice dynamics (pkg/seaice) with thsice thermodynamics:
173      - add code within pkg thsice to advect & diffuse sea-ice fields
174      similar to (and will replace) what has been added in  seaice_advdiff.F,
175      but: - conserving Mass, Heat & Salt.
176           - better when using non-linear advection scheme (not yet fully tested)
177           - can also be used in atmospheric set-up (for now, only the diffusion).
178    
179    checkpoint58x_post
180    o IO option for global-file compact format:
181      - add options when generating topology (utils/exch2/matlab-topology-generator)
182      - add I/O capability (pkg/mdsio).
183      - adapt utils/matlab/rdmds.m to read this format.
184      for now long-line format not yet supported by pkg/mdsio (& exch2).
185    o shelfice: add a few diagnostics
186    
187    checkpoint58w_post
188    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
189      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
190      (and replace horiVertRatio in NH code).
191      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
192                         and tutorial_plume_on_slope (sensitive to truncation)
193    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
194      directly to drive seaice model (C-grid only)
195    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
196     - reintroduce computation of wind from stress,
197     - compute tau (in exf_bulkformulae.F) from windstress averaged to
198       mass points to avoid tau = 0
199     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
200    o rdmnc.m: make it work with "global" files created with gluemnc
201    o rdmnc.m : some improvements in dealing with singleton dimension
202      (tested on all testreport mnc output files).
203    o genmake2: disable pkg/profiles if netcdf test fails.
204    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
205    o move call to cal_readparms up to make calendar parameters/variable available
206      to all packages
207    
208    checkpoint58v_post
209    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
210      useDynP_inEos_Zc tested.
211    o pkg/exf: changes to properly interpolate/mask/scale initial fields
212    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
213      and portions thereof.  See read_cs.txt for description and examples.
214    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
215      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
216      following the great-circle arc between those 2 points.
217    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
218      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
219    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
220     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
221     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
222     - still needs work (not working with some options ; efficiency to improve)
223       and serious testing.
224     - use this scheme for temperature & salinity in 2 advection test exp.:
225       advect_xy & advect_xz, respectively.
226    
227    checkpoint58u_post
228    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
229    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
230    o testreport: add option "-skipdir" to skip some test.
231    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
232      momentum calculation.
233    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
234    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
235      remove checkpoint.F and the_correction_step.F (no longer used);
236      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
237    o add option (linFSConserveTr) to correct for tracer source/sink due to
238      Linear Free surface
239    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
240    o pkg/thsice: fix reading mnc-pickups
241    
242    checkpoint58t_post
243    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
244    o pkg/mdsio:
245     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
246       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
247       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
248     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
249     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
250       either MDS_READ_FIELD or MDS_WRITE_FIELD )
251     - new S/R (to replace MDSWRITEMETA), which allows to write more
252       informations (variable names, time ...) to meta files.
253     - modify rdmds.m to give back the meta file content.
254    o pkg/diagnostics: change vertical interpolation to be safer, and more
255       flexible (define p-levels to interpolate to in data.diagnostics);
256      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
257       diagnostic pointer.
258    o pkg/seaice: more cleaning up of seaice_growth, added many comments
259    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
260    o fix multi-category seaice:
261     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
262       SEAICE_MULTICATEGORY
263     - fix short wave heat flux
264    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
265       and allow to use EVP solver. Change forward lab_sea: test both EVP
266       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
267    o Initial check-in of lab_sea adjoint
268      (very similar to natl_box_adjoint/code_seaice)
269      * used C-grid and EVP solver
270      * used KPP, GM/Redi
271      * uses inAdExact=.TRUE.
272      * gradient checks fail for both ADM and TLM
273        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
274        f.d. gradients actually seem more problematic than ADM, TLM gradients;
275        issue is related to forward mismatch between g77 an ifort
276    o pkg/seaice: overhaul of thermodynamics
277     - growth.F and groatb.F are replaced by new routine seaice_growth.F
278     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
279     - move a few global fields out of SEAICE.h into seaice_growth.F and
280       make them 2D (FICE/QNETO/ ...)
281     - remove FO (it is the same as QNETO)
282     - introduce a few local fields to avoid modifying external fields such
283       as atemp, etc.
284    
285    checkpoint58s_post
286  o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F  o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
287    changed exf_set_gen.F so that    changed exf_set_gen.F so that
288      genperiod=0 means input file is one time-constant field and      genperiod=0 means input file is one time-constant field and

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