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revision 1.751 by jmc, Tue Dec 5 05:32:59 2006 UTC revision 1.827 by heimbach, Fri Jun 1 23:31:38 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 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
12        to SEAICE_elasticParm
13      - make lsr boundary conditions free slip (by default), changes result
14      - add code for no slip boundary conditions for lsr
15      - set minimum of zeta to zero (and not 4e8) (changes results)
16      - add a cap on AREA after advecting AREA if seaice_growth is not called
17    o change calculation of Visbeck K:
18      - no longer depend on tapering scheme; instead, compute slope (limited
19        by GM_maxSlope). this is equivalent to what was comuted before with
20        clipping or linear tappering.
21      - fix vertical averaging (wrong by 1 level)
22      - leave the old version (but will not be maintained) within
23        #ifdef OLD_VISBECK_CALC / #endif
24    o change error catch in calc_r_star to improve vectorization
25    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
26      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
27    o adjoint:
28      Re-organized adjoint checkpointing according to Matt Mazloff
29      (but with modifs/completions/cleanups)
30      Storing is now bundled into large arrays to optimized I/O
31      (and second step in cleanup of the_main_loop)
32    
33    checkpoint59b
34    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
35      - export/import (between ocean & coupler) fields needed for ocean DIC.
36    o pkg/seaice:
37      - get rid of three more exchanges seaice_calc_viscosities (required
38        different loop boundaries in seaice_lsr and seaice_ocean_stress)
39      - bug fix in seaice_ocean_stress (update of lab_sea required)
40      - reduce loop boundaries to necessary minimum also in seaice_evp
41      - go back to the old way of computing deltaC/Z as the adjoint likes that
42        better
43    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
44      passive tracer to an Age Tracer) + update output.txt
45    o pkg/exf:
46      - implement A-grid / C-grid selection for wind-stress input files.
47      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
48      for now, in exf_bulk_largeyeager04.F only :
49      - change implementation for case where windspeed + 2. components wind-stress
50        are read-in. AND use rhoConstFresh to convert evap.
51    o pkg/seaice:
52      - use correct EXCH_UV for wind-forcing (on A-grid).
53      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
54        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
55    o pkg/exf:
56      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
57      EXF_INTERPOLATION:
58      - merge global_with_exf/code version of exf_interp_read.F
59        to the main code ;
60      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
61        reading the file ; Important: This options needs to be defined to recover
62        previous code.
63        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
64      - no longer loose real*8 precision along the way when using exf_iprec=64.
65    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
66      - change discretisation of evp-solver in order to avoid another exchange
67        (changes lab_sea) and clean up a little
68      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
69        help the adjoint (this also changes the results slightly)
70      - add a few "_d 0" where they had been missing in seaice_evp.F
71      - cleaning up: remove unused seaice_calc_rhs.F
72    o pkg/exf: some cleaning-up:
73      - change various "constants" into runtime parameters
74      - cleaned-up Large&Yeager04 routine which should eventually
75        replace exf_bulkformulae.F (changed names of S/R and CPP)
76        and merged various ALLOW_ATM_WIND options
77     only used with thsice pkg (in thsice_get_exf.F):
78      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
79        which are used when useStabilityFct_overIce=TRUE (= the default)
80      - change default values of ice & snow emissivity and scale downward LW
81        by ice & snow emissivity.
82    o pkg/thsice:
83     fix few little problems, in thsice_calc_thickn.F:
84      - growth vertically (and not laterally) if iceFrac == iceMaskMax
85      - melt laterally only if hIce < hThinIce (as the comments say)
86      and in thsice_extend.F:
87      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
88      - start to form ice as soon as the minimum ice-volume is reachable.
89     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
90      and cpl_aim+ocn
91    o pkg/kpp
92     - move computation of surface related input fields to KPP into a new
93       subroutine kpp_forcing_surf.F
94     - remove wrong (within bi,bj loops) EXCH calls.
95     - little cleaning (add argument myThid in last position, cvs header ...)
96     - for now, fix conservation problem by exchanging KPPviscAz (may not
97       be the best fix)
98    o pkg/seaice
99     - check for inconsistent evp parameter/cpp-flag combination
100     - remove leftover errIO flat for obsolete name list error handling
101    o OpenAD
102     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
103    
104    checkpoint59a
105    o pkg/seaice: some parameter clarifications and a little bit of clean up
106    o pkg/thsice: rename run-time parameters:
107       himin       -> hIceMin
108       himin0      -> hThinIce
109       hihig       -> hThickIce
110       i0          -> i0swFrac
111       transCoef   -> bMeltCoef
112       frac_energy -> fracMelting
113      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
114       with default values (for now) that do not change the results.
115      remove old version of thsice vars advection in pkg/seaice.
116    o in FFIELDS.h:
117      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
118      - make pLoad & sIceLoad always available (but still only used if
119         ATMOSPHERIC_LOADING is #define).
120    o pkg/kpp: replaced _KPP_RL with _RL
121    o bug fixes for vertical diffusivity computations when both KPP and
122        3D diffusivity arrays are used.
123    o pkg/seaice: fix bug in evp solver, while doing that
124      - change (improve?) discretization of stress computations for both
125        cgrid-lsr and evp solver
126      - add a new routine to compute strain rates
127      - the above changes lab_sea results
128      - add no slip conditions for evp solver (off by default), lsr-version
129        may follow
130      - fix exchange for shear at Z-points (does not change lab_sea)
131      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
132        (to force the user to pick a time step since there is not "safe" way
133        of choosing it)
134      - add principal stress diagnostics
135      - rearrange fields for evp a little to avoid having to call a: too many
136        exchanges and b: exchanges for stress trensor components which we do
137        not have.
138      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
139        of evp, complete rewrite for lsr case (latter is does not yet work
140        in all cases)
141    o pkg/kpp: add code to have mixing in shelf ice caverns
142      - add myThid to all kpp routines (long overdue)
143    
144    checkpoint59
145    o pkg/exf:
146      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
147        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
148      - move exf header files from lower_case.h to UPPER_CASE.h ;
149        add missing cvs Header & Name
150      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
151      - add namelist param. selectStressGridPosition, exf_monFreq
152      - retire many _CLIM routines, and remove data.exf_clim
153        + params moved to data.exf
154        + climsst, climsss now handled by exf_set_gen, i.e.
155          climss?period=0 refers to constant field,
156          climss?period=-12 to monthly forcing
157      - split up namelists in data.exf
158    o pkg/seaice:
159      - remove seaice_exch and seaice_exch_uv
160      - remove superfluous exchange of theta
161      - add myThid to seaice_budget_ocean/ice
162      - add new interface for atmospheric wind forcing (C-grid only)
163        + new routine
164        + two new field (taux, tauy for stress over ice)
165        + removed one global field (DAIRN) for C-grid case only
166    o pkg/thsise
167      - 2nd set of modifs for thsice adjoint in conjunction with exf
168    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
169    
170    checkpoint58y_post
171    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
172      vertical diffusivity, similar to that in MOM4; turned on using
173      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
174      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
175    o Added capability for 3D specification of background vertical diffusion
176      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
177      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
178      "data" file that contains the 3D vertical diffusivity coefficients.
179    o ice dynamics (pkg/seaice) with thsice thermodynamics:
180      - add code within pkg thsice to advect & diffuse sea-ice fields
181      similar to (and will replace) what has been added in  seaice_advdiff.F,
182      but: - conserving Mass, Heat & Salt.
183           - better when using non-linear advection scheme (not yet fully tested)
184           - can also be used in atmospheric set-up (for now, only the diffusion).
185    
186    checkpoint58x_post
187    o IO option for global-file compact format:
188      - add options when generating topology (utils/exch2/matlab-topology-generator)
189      - add I/O capability (pkg/mdsio).
190      - adapt utils/matlab/rdmds.m to read this format.
191      for now long-line format not yet supported by pkg/mdsio (& exch2).
192    o shelfice: add a few diagnostics
193    
194    checkpoint58w_post
195    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
196      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
197      (and replace horiVertRatio in NH code).
198      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
199                         and tutorial_plume_on_slope (sensitive to truncation)
200    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
201      directly to drive seaice model (C-grid only)
202    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
203     - reintroduce computation of wind from stress,
204     - compute tau (in exf_bulkformulae.F) from windstress averaged to
205       mass points to avoid tau = 0
206     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
207    o rdmnc.m: make it work with "global" files created with gluemnc
208    o rdmnc.m : some improvements in dealing with singleton dimension
209      (tested on all testreport mnc output files).
210    o genmake2: disable pkg/profiles if netcdf test fails.
211    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
212    o move call to cal_readparms up to make calendar parameters/variable available
213      to all packages
214    
215    checkpoint58v_post
216    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
217      useDynP_inEos_Zc tested.
218    o pkg/exf: changes to properly interpolate/mask/scale initial fields
219    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
220      and portions thereof.  See read_cs.txt for description and examples.
221    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
222      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
223      following the great-circle arc between those 2 points.
224    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
225      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
226    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
227     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
228     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
229     - still needs work (not working with some options ; efficiency to improve)
230       and serious testing.
231     - use this scheme for temperature & salinity in 2 advection test exp.:
232       advect_xy & advect_xz, respectively.
233    
234    checkpoint58u_post
235    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
236    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
237    o testreport: add option "-skipdir" to skip some test.
238    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
239      momentum calculation.
240    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
241    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
242      remove checkpoint.F and the_correction_step.F (no longer used);
243      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
244    o add option (linFSConserveTr) to correct for tracer source/sink due to
245      Linear Free surface
246    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
247    o pkg/thsice: fix reading mnc-pickups
248    
249    checkpoint58t_post
250    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
251    o pkg/mdsio:
252     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
253       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
254       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
255     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
256     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
257       either MDS_READ_FIELD or MDS_WRITE_FIELD )
258     - new S/R (to replace MDSWRITEMETA), which allows to write more
259       informations (variable names, time ...) to meta files.
260     - modify rdmds.m to give back the meta file content.
261    o pkg/diagnostics: change vertical interpolation to be safer, and more
262       flexible (define p-levels to interpolate to in data.diagnostics);
263      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
264       diagnostic pointer.
265    o pkg/seaice: more cleaning up of seaice_growth, added many comments
266    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
267    o fix multi-category seaice:
268     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
269       SEAICE_MULTICATEGORY
270     - fix short wave heat flux
271    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
272       and allow to use EVP solver. Change forward lab_sea: test both EVP
273       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
274    o Initial check-in of lab_sea adjoint
275      (very similar to natl_box_adjoint/code_seaice)
276      * used C-grid and EVP solver
277      * used KPP, GM/Redi
278      * uses inAdExact=.TRUE.
279      * gradient checks fail for both ADM and TLM
280        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
281        f.d. gradients actually seem more problematic than ADM, TLM gradients;
282        issue is related to forward mismatch between g77 an ifort
283    o pkg/seaice: overhaul of thermodynamics
284     - growth.F and groatb.F are replaced by new routine seaice_growth.F
285     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
286     - move a few global fields out of SEAICE.h into seaice_growth.F and
287       make them 2D (FICE/QNETO/ ...)
288     - remove FO (it is the same as QNETO)
289     - introduce a few local fields to avoid modifying external fields such
290       as atemp, etc.
291    
292    checkpoint58s_post
293    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
294      changed exf_set_gen.F so that
295        genperiod=0 means input file is one time-constant field and
296        genperiod=-12 means input file contains 12 monthly means
297    o CG2D: use pre-computed solver main-diagonal (stored in common block);
298      this affects truncation error ; generate new output file for exp. which
299      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
300        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
301        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
302        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
303        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
304        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
305  o start implementation of deep-atmosphere and anelastic formulation  o start implementation of deep-atmosphere and anelastic formulation
306  o verification: remove 2nd copy of input files and use script "prepare_run"  o verification: remove 2nd copy of input files and use script "prepare_run"
307    to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)    to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)

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