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revision 1.720 by jmc, Mon Aug 28 15:33:37 2006 UTC revision 1.953 by jmc, Tue Feb 5 15:49:01 2008 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/diagnostics: for large number of diagnostics, store diagnostic mate
8      number in dedicate array "hdiag":
9      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
10        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
11      - many small changes (integer format) for large number of diagnostics
12      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
13        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
14    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
15      usingSphericalGrid, this allows to define the rotated grid coordinates
16      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
17      geographical coordinates according to the inverse of the rotation defined
18      by the Euler angles, so that Coriolis parameter and online-interpolation by
19      exf works with the geographical coordinates on XC/YC/XG/YG.
20      Naturally, this feature does not work with all packages, so some
21      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
22      profiles), because there the coordinates are assumed to be regular
23      spherical grid coordinates.
24    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
25      - introduce isopycnal diffusion coefficient control.
26    o tools/adjoint_options:
27      - additional control vector components.
28    o pkg/mnc: have mnc create marginally meaning full coordinate variables
29      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
30    o pkg/mypackage:
31      - add example of read/write pickup for state-var ;
32      - add entry points to the main code for state-vars diags & write-pickup.
33    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
34      transitions for useExfYearlyFields
35      - add new subroutine that determines the file to read from for
36        use*YearlyFields = .TRUE. and .FALSE.
37      - add a verification experiment to global_with_exf that tests
38        useExfYearlyFields with USE_EXF_INTERPOLATION defined
39    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
40      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
41      subroutines (which could be generated from a template, because they are
42      almost identical), for now they are included in obcs_prescribe_read.F for
43      simplicity
44    o pkg/exf:
45      - add a little more diagnostic to exf_interp_read (in analogy to
46        mds_read_field, can be turned off with debugLevel < debugLevA=1)
47      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
48        ugly but fast by unrolling short inner loops, inserting a unroll=8
49        directive in routine lagran, and splitting a loop and making do while the
50        outermost loop (the latter requires the intoduction of index arrays)
51    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
52    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
53      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
54    o verification/seaice_obcs: updated for restart test and latest options
55    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
56      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
57      for now this is only available for the C-grid code and also within
58      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
59    
60    checkpoint59m
61    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
62      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
63    o gad_som : fix flux output (& diagnostics) to have same units as other  
64      advection scheme fluxes (was previously multiplied by deltaT).  
65    o added verification/seaice_obcs both to test seaice open boundaries
66      and to provide an example matlab scrpt for generating them
67    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
68    o pkg/salt_plume: clean up salt_plume_frac.F to
69      remove redundancy in PlumeMethod 1 and 4
70    o pkg/kpp: added saltplume diagnostics
71    o pkg/obcs and pkg/seaice:
72      - do not set uice and vice to zero when OB*icefile are unspecified
73      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
74      - moved seaice tracer obcs after call to seaice_growth
75    o pkg/salt_plume: added various options for salt plume depth
76      criterion and for vertical distribution of the salt
77    
78    checkpoint59l
79    o pkg/ptracers: new version of ptracers pickup:
80      read meta file and write only fields which are needed to restart.
81      ( same logic as main pickup file ; also using pickupStrictlyMatch )
82    o pkg/seaice:
83      - add timescale for melting due to warm mixed layer as a means of
84        setting SEAICE_availHeatFrac more conveniently
85      - add a CPP-flag/runtime parameter check for flooding algorithm
86      - reformulated availHeat in seaice_growth.F to be independent of AREA
87    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
88      unit changes
89    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
90    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
91      SX vector computer.
92    o pkg/seaice:
93      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
94        seaice forcing fields can now be read only through pkg/exf
95      - removed some unused halos
96    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
97    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
98      or U/VICE from U/VWIND before computing U/VSTRESS
99    
100    checkpoint59k
101    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
102      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
103    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
104      all experiments pass when compile with un-initialised var. checking option.
105    o added pkg/salt_plume
106    o script to test restart (for now, in MITgcm_contrib/jmc_script)
107    o pkg/seaice: new read/write pickup version.
108      read meta file and write only fields which are needed to restart.
109      ( same logic as main pickup file ; also using pickupStrictlyMatch )
110    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
111    o lab_sea.hb87: modify the domain & update output.hb87.txt :
112      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
113      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
114      process. Fixed here by closing the domain at the Northern boundary.
115    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
116    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
117      a set of consecutive levels in/from a 3-D array.
118    o pkg/ptracers:
119      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
120      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
121    
122    checkpoint59j
123    o in pkgs: dic, obcs, offline, rbcs:
124      standard way to compute coeff. for time interpolation between 2 time reccords
125      which retains full precision (& make results less dependent on compiler).
126      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
127    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
128      packages instead of reading ice cover and wind speed separately
129    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
130     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
131      to allow to compile customized code before the update)
132    o cleaning-up:
133      - fix CPP instruction syntax in pkg/obcs
134      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
135        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
136      - fix some threads issue in IO parts.
137    o pkg/dic:
138      - add tons of "_d 0" (--> much better testreports !)
139       and then update outputs of tutorial_global_oce_biogeo
140    o pkg/mom_fluxform:
141      add a special version of momentum advection intended to conserve momentum
142      next to a bathymetry step or a coastline edge. (default = off = #undef)
143    o new read/write pickup version:
144      - for now, only implemented for main (mdsio) pickup file.
145      - write out only what is needed to restart; merge pickup_nh , pickup_ph
146        and main pickup together.
147      - read meta file; read only what is needed to restart; stop if a field
148        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
149        if it make sense (even if the restart is not perfect).
150      - if no meta file, assume that pickup to read corresponds exactly to
151        a pickup that would currently be written.
152      - read pickup written in the old format (until checkpoint59i) if it
153        recognizes an old meta file (no field-list).
154      - add a meta file in exp. which starts from a pickup: 2 cases:
155        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
156         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
157        b) a meta file describing the content of the associated pickup file
158         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
159    o pkg/mdsio & pkg/rw:
160      - new routine to read a meta file ; new set of routine to read
161        Multiple-fields file (with meta file).
162    o added open boundary conditions capability for seaice
163        HSNOW, HSALT, UICE, and VICE
164    
165    checkpoint59i
166    o adjoint:
167      * fix multiDimAdvection adjoint
168        (partial recomputation problem by TAF for fVerT(:,:,kDown)
169        and comlev1 size definition (maxpass vs. max. number of tracers)
170      * verification/global_ocean.90x45x15 adjoint now tests
171        NLFS and multiDimAdvection using DST3 (=30)
172      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
173    o pkg/kpp: add "_d 0" to real constant (if missing);
174      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
175      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
176    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
177      for internal parameters related to restart process (formerly from PARAMS.h)
178      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
179    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
180      as argument. (only atm2d & obcs write_pickup have not yet been updated)
181    o pkg/monitor:
182      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
183      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
184      - account for deep Atmosphere factor and density factor (anelastic)
185    o added open boundary conditions capability for seaice HEFF and AREA
186    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
187      thermodynamics
188      - requires a little reorganization, which affects the testreport results
189        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
190        so that now the conservative form is tested
191      - add a few comments
192    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
193    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
194    o add new diagnostics to seaice: advective, diffusive fluxes (only for
195      multidim-advection, for scheme 2 they are not filled) and transports,
196      thermodynamic growth rates
197    o change units of EmPmR (inside the code, + within coupling interface)
198      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
199      Affects results @ truncation level (cg2d match) and update output of
200       experiments: lab_sea(6), global_ocean.90x40x15(10),
201      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
202      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
203      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
204      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
205    
206    checkpoint59h
207    o pkg/exf:
208      - improve vectorization by moving if-statement out of loops in
209        exf_mapfields, exf_radiation
210      - exf_bulkformulae.F: introduce 2D fields and vectorize code
211    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
212    o testreport:
213      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
214        monitor & update offline_exf_seaice exp. output.
215      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
216    o pkg/seaice:
217      - bug fix in the evp solver: boundary conditions were affected be
218        masking of zMax/zMin (changes results)
219      - minor bug fix in boundary conditions in seaice_calc_strainrates
220        (changes results for no_slip)
221      - seaice_lsr.F: make interpolation of eta dependent on boundaries
222      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
223      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
224        stress formulation and no-slip boundary conditions
225    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
226      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
227    o pkg/seaice: a first HSALT time stepping equation has been checked in
228    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
229      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
230      without requiring DO-IF statements
231    o pkg/thsice:
232      use continuous power-law function for partition of energy between lateral
233      melting/freezing and thinning/thickening ; old code using step function
234      still available with #undef THSICE_FRACEN_POWERLAW
235      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
236    o testreport: change AD testing : check against results/output_adm.txt
237      using same scripts as for forward test.
238    
239    checkpoint59g
240    o adjoint testing: in preparation for changing testreport:
241      - output format: cost and grad written on separated lines
242      - ad output results in directory "results" (instead of "results_ad")
243    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
244    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
245    o pkg/ecco: allow user defined cost function contributions
246    o testreport:
247      Allow to choose (per experiment) the list of tested output variables
248       and the main variable (used to issue a pass/FAIL ) ;
249      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
250      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
251      Also modify printing of summary:
252       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
253       b) echo the list of tested variables in the individual summary.txt of
254          each experiment.
255    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
256      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
257      (but still depend on the tile decompostion of the domain).
258    o pkg/seaice: change a discretization detail to make the B-grid code
259      "more symmetric". This change is likely to remove all "ridges/leads" that
260      where quasi-aligned with the grid in B-grid solutions. It may also be
261      the solution to the stress coupling issues with the B-grid.
262    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
263      remove .cvsignore from input dir. (since testreport no longer run here).
264    o pkg/thsice:
265     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
266     - fix reshaping of sea-ice just after advection:
267       melt all the ice only if ice-volume is too small.
268     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
269       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
270     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
271    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
272      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
273    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
274      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
275      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
276      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
277      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
278      -> update output.txt
279    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
280     this affects truncation error: -> update output.txt of exp:
281      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
282      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
283    
284    checkpoint59f
285    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
286    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
287      a bounded range (in forward mode)
288    o pkg/ecco, ctrl, autodiff and mom_common:
289     internal parameter controls, completements of implementations
290    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
291    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
292      (not seem any difference in testing results).
293    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
294       at face corners.
295    o pkg/generic_advdiff:
296     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
297      loop range indices for computing vertical advection tendency
298      and do the calculation in the interior only (no overlap) ;
299      for now, only implemented for SOM advection (to save CPU time).
300     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
301    o exch2 adjoint
302      First set of changes:
303      - add exch2 hand-written adjoint templates
304      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
305        This will require cleanup in pkg/autodiff/*.F
306        (changed routines currently kept separate in verif. code/)
307      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
308        that used to hide exch2 or cubed-sphere specific code
309        (commented via 'cph-exch2')
310    o pkg/seaice
311      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
312    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
313       output of global_ocean.cs32x15.thsice .
314    
315    checkpoint59e
316    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
317      for B-grid vector (not yet tested) and C-grid vector (<- only used
318      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
319    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
320      (#ifdef ALLOW_SALT_PLUME)
321    o gather_2d/scatter_2d: removed halo regions
322    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
323      scheme and the corresponding test case (under front_relax dir). For now,
324      only available with Skew-flux form and not yet tested in realistic set-up.
325      adjoint: store directives updated, but gradient checks deteriorated,
326      so maybe GM/Redi adjoint is now broken.
327    o seaice adjoint
328      * add AREA, HEFF, HSNOW as control variable
329        (should not change lab_sea results)
330      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
331    o pkg/seaice:
332      * added computation of saltFlux in seaice_growth;
333        For time being, sea ice salinity is assumed constant
334        contribution of snow flooding to freshening of sea ice is neglected.
335        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
336        defaults to 0.0 in order to maintain backward compatibility.
337        Typical values for SEAICE_salinity are 4 to 10 g/kg.
338      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
339      * added SEAICE_availHeatFrac, which specifies fraction of surface level
340        heat content used to melt or grow ice
341      * commented out cap of HICE: it helps keep ice thinner
342      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
343      * applied OBCS T/S mask to HEFFM sea ice mask
344    
345    checkpoint59d
346    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
347     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
348     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
349    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
350     and change default value of parameter "GM_Small_Number";
351     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
352       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
353       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
354    o pkg/ecco: cost function when applying pkg/smooth to controls
355    o pkg/ctrl: add forcingPrecond run time parameter
356    o pkg/seaice:
357     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
358     - fix bug in metric terms of u-equation in LSR solver (implicit part),
359       changes verification/lab_sea
360     - rearrange implicit part of u-equation in LSR solver to make it easier to
361       read, understand, and debug. This causes changes at the truncation level.
362     - fix (serious) bug in the boundary conditions (sign error in the implicit
363       part) of the LSR solver. Changes all LSR results.
364     - fixed problem with HSNOW initialization to avoid thick snow when AREA
365       is initilized with small values - does not change lab_sea results.
366     - added HsnowFile initialization capability
367    o pkg/smooth: addition to model/src and pkg/ctrl so allow
368     initialization of pkg/smooth and application to control vector
369    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
370    o dependencies: pkg/profiles requires pkg/cal
371    o pkg/profiles:
372     - added option ALLOW_PROFILES_GENERICGRID
373         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
374         that interpolation information (grid points and coefficients) is provided
375         within the netcdf input files.
376         -> sample matlab scripts can be found in MITgcm_contrib/gael
377         that allow you to prepare netcdf input files.
378     - also modified: cleaner include statements, cleaner error print statements,
379       cleaner stops when error, and more tests of the netcdf input files consistency.
380    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
381    o pkg/seaice:
382     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
383       requires a new routine: seaice_diagnostics_fill.F
384     - make sure that seaice does not move if not forced (pressure replacement
385       method, Hibler and Ip, 1995), changes results
386     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
387     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
388       It is turned off by default (=-1.), because it changes the results.
389     - make it possible to read AREA from a file, too.
390    
391    checkpoint59c
392    o add S/R and diagnostics for oceanic mixed-layer depth
393    o move GMRedi call after all vertical mixing schemes (including KPP)
394    o pkg/thsice:
395     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
396      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
397    o pkg/obcs:
398     - bug fix for balance code
399    o pkg/seaice:
400      - allow values of SEAICE_elasticParm > 1
401      - add new parameter SEAICE_evpTauRelax as an alternative
402        to SEAICE_elasticParm
403      - make lsr boundary conditions free slip (by default), changes result
404      - add code for no slip boundary conditions for lsr
405      - set minimum of zeta to zero (and not 4e8) (changes results)
406      - add a cap on AREA after advecting AREA if seaice_growth is not called
407    o change calculation of Visbeck K:
408      - no longer depend on tapering scheme; instead, compute slope (limited
409        by GM_maxSlope). this is equivalent to what was comuted before with
410        clipping or linear tappering.
411      - fix vertical averaging (wrong by 1/2 level)
412      - leave the old version (but will not be maintained) within
413        #ifdef OLD_VISBECK_CALC / #endif
414      - update output of exp. ideal_2D_oce
415    o change error catch in calc_r_star to improve vectorization
416    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
417      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
418    o adjoint:
419      Re-organized adjoint checkpointing according to Matt Mazloff
420      (but with modifs/completions/cleanups)
421      Storing is now bundled into large arrays to optimized I/O
422      (and second step in cleanup of the_main_loop)
423    
424    checkpoint59b
425    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
426      - export/import (between ocean & coupler) fields needed for ocean DIC.
427    o pkg/seaice:
428      - get rid of three more exchanges seaice_calc_viscosities (required
429        different loop boundaries in seaice_lsr and seaice_ocean_stress)
430      - bug fix in seaice_ocean_stress (update of lab_sea required)
431      - reduce loop boundaries to necessary minimum also in seaice_evp
432      - go back to the old way of computing deltaC/Z as the adjoint likes that
433        better
434    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
435      passive tracer to an Age Tracer) + update output.txt
436    o pkg/exf:
437      - implement A-grid / C-grid selection for wind-stress input files.
438      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
439      for now, in exf_bulk_largeyeager04.F only :
440      - change implementation for case where windspeed + 2. components wind-stress
441        are read-in. AND use rhoConstFresh to convert evap.
442    o pkg/seaice:
443      - use correct EXCH_UV for wind-forcing (on A-grid).
444      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
445        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
446    o pkg/exf:
447      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
448      EXF_INTERPOLATION:
449      - merge global_with_exf/code version of exf_interp_read.F
450        to the main code ;
451      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
452        reading the file ; Important: This options needs to be defined to recover
453        previous code.
454        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
455      - no longer loose real*8 precision along the way when using exf_iprec=64.
456    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
457      - change discretisation of evp-solver in order to avoid another exchange
458        (changes lab_sea) and clean up a little
459      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
460        help the adjoint (this also changes the results slightly)
461      - add a few "_d 0" where they had been missing in seaice_evp.F
462      - cleaning up: remove unused seaice_calc_rhs.F
463    o pkg/exf: some cleaning-up:
464      - change various "constants" into runtime parameters
465      - cleaned-up Large&Yeager04 routine which should eventually
466        replace exf_bulkformulae.F (changed names of S/R and CPP)
467        and merged various ALLOW_ATM_WIND options
468     only used with thsice pkg (in thsice_get_exf.F):
469      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
470        which are used when useStabilityFct_overIce=TRUE (= the default)
471      - change default values of ice & snow emissivity and scale downward LW
472        by ice & snow emissivity.
473    o pkg/thsice:
474     fix few little problems, in thsice_calc_thickn.F:
475      - growth vertically (and not laterally) if iceFrac == iceMaskMax
476      - melt only laterally if hIce < hThinIce (as the comments say)
477      and in thsice_extend.F:
478      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
479      - start to form ice as soon as the minimum ice-volume is reachable.
480     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
481      and cpl_aim+ocn
482    o pkg/kpp
483     - move computation of surface related input fields to KPP into a new
484       subroutine kpp_forcing_surf.F
485     - remove wrong (within bi,bj loops) EXCH calls.
486     - little cleaning (add argument myThid in last position, cvs header ...)
487     - for now, fix conservation problem by exchanging KPPviscAz (may not
488       be the best fix)
489    o pkg/seaice
490     - check for inconsistent evp parameter/cpp-flag combination
491     - remove leftover errIO flat for obsolete name list error handling
492    o OpenAD
493     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
494    
495    checkpoint59a
496    o pkg/seaice: some parameter clarifications and a little bit of clean up
497    o pkg/thsice: rename run-time parameters:
498       himin       -> hIceMin
499       himin0      -> hThinIce
500       hihig       -> hThickIce
501       i0          -> i0swFrac
502       transCoef   -> bMeltCoef
503       frac_energy -> fracMelting
504      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
505       with default values (for now) that do not change the results.
506      remove old version of thsice vars advection in pkg/seaice.
507    o in FFIELDS.h:
508      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
509      - make pLoad & sIceLoad always available (but still only used if
510         ATMOSPHERIC_LOADING is #define).
511    o pkg/kpp: replaced _KPP_RL with _RL
512    o bug fixes for vertical diffusivity computations when both KPP and
513        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
514        are no longer updating the vertical diffusivity array
515        (passed as argument) but are (re-) setting those arrays.
516    o pkg/seaice: fix bug in evp solver, while doing that
517      - change (improve?) discretization of stress computations for both
518        cgrid-lsr and evp solver
519      - add a new routine to compute strain rates
520      - the above changes lab_sea results
521      - add no slip conditions for evp solver (off by default), lsr-version
522        may follow
523      - fix exchange for shear at Z-points (does not change lab_sea)
524      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
525        (to force the user to pick a time step since there is not "safe" way
526        of choosing it)
527      - add principal stress diagnostics
528      - rearrange fields for evp a little to avoid having to call a: too many
529        exchanges and b: exchanges for stress trensor components which we do
530        not have.
531      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
532        of evp, complete rewrite for lsr case (latter is does not yet work
533        in all cases)
534    o pkg/kpp: add code to have mixing in shelf ice caverns
535      - add myThid to all kpp routines (long overdue)
536    
537    checkpoint59
538    o pkg/exf:
539      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
540        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
541      - move exf header files from lower_case.h to UPPER_CASE.h ;
542        add missing cvs Header & Name
543      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
544      - add namelist param. selectStressGridPosition, exf_monFreq
545      - retire many _CLIM routines, and remove data.exf_clim
546        + params moved to data.exf
547        + climsst, climsss now handled by exf_set_gen, i.e.
548          climss?period=0 refers to constant field,
549          climss?period=-12 to monthly forcing
550      - split up namelists in data.exf
551    o pkg/seaice:
552      - remove seaice_exch and seaice_exch_uv
553      - remove superfluous exchange of theta
554      - add myThid to seaice_budget_ocean/ice
555      - add new interface for atmospheric wind forcing (C-grid only)
556        + new routine
557        + two new field (taux, tauy for stress over ice)
558        + removed one global field (DAIRN) for C-grid case only
559    o pkg/thsise
560      - 2nd set of modifs for thsice adjoint in conjunction with exf
561    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
562    
563    checkpoint58y_post
564    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
565      vertical diffusivity, similar to that in MOM4; turned on using
566      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
567      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
568    o Added capability for 3D specification of background vertical diffusion
569      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
570      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
571      "data" file that contains the 3D vertical diffusivity coefficients.
572    o ice dynamics (pkg/seaice) with thsice thermodynamics:
573      - add code within pkg thsice to advect & diffuse sea-ice fields
574      similar to (and will replace) what has been added in  seaice_advdiff.F,
575      but: - conserving Mass, Heat & Salt.
576           - better when using non-linear advection scheme (not yet fully tested)
577           - can also be used in atmospheric set-up (for now, only the diffusion).
578    
579    checkpoint58x_post
580    o IO option for global-file compact format:
581      - add options when generating topology (utils/exch2/matlab-topology-generator)
582      - add I/O capability (pkg/mdsio).
583      - adapt utils/matlab/rdmds.m to read this format.
584      for now long-line format not yet supported by pkg/mdsio (& exch2).
585    o shelfice: add a few diagnostics
586    
587    checkpoint58w_post
588    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
589      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
590      (and replace horiVertRatio in NH code).
591      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
592                         and tutorial_plume_on_slope (sensitive to truncation)
593    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
594      directly to drive seaice model (C-grid only)
595    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
596     - reintroduce computation of wind from stress,
597     - compute tau (in exf_bulkformulae.F) from windstress averaged to
598       mass points to avoid tau = 0
599     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
600    o rdmnc.m: make it work with "global" files created with gluemnc
601    o rdmnc.m : some improvements in dealing with singleton dimension
602      (tested on all testreport mnc output files).
603    o genmake2: disable pkg/profiles if netcdf test fails.
604    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
605    o move call to cal_readparms up to make calendar parameters/variable available
606      to all packages
607    
608    checkpoint58v_post
609    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
610      useDynP_inEos_Zc tested.
611    o pkg/exf: changes to properly interpolate/mask/scale initial fields
612    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
613      and portions thereof.  See read_cs.txt for description and examples.
614    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
615      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
616      following the great-circle arc between those 2 points.
617    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
618      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
619    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
620     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
621     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
622     - still needs work (not working with some options ; efficiency to improve)
623       and serious testing.
624     - use this scheme for temperature & salinity in 2 advection test exp.:
625       advect_xy & advect_xz, respectively.
626    
627    checkpoint58u_post
628    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
629    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
630    o testreport: add option "-skipdir" to skip some test.
631    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
632      momentum calculation.
633    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
634    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
635      remove checkpoint.F and the_correction_step.F (no longer used);
636      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
637    o add option (linFSConserveTr) to correct for tracer source/sink due to
638      Linear Free surface
639    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
640    o pkg/thsice: fix reading mnc-pickups
641    
642    checkpoint58t_post
643    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
644    o pkg/mdsio:
645     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
646       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
647       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
648     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
649     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
650       either MDS_READ_FIELD or MDS_WRITE_FIELD )
651     - new S/R (to replace MDSWRITEMETA), which allows to write more
652       informations (variable names, time ...) to meta files.
653     - modify rdmds.m to give back the meta file content.
654    o pkg/diagnostics: change vertical interpolation to be safer, and more
655       flexible (define p-levels to interpolate to in data.diagnostics);
656      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
657       diagnostic pointer.
658    o pkg/seaice: more cleaning up of seaice_growth, added many comments
659    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
660    o fix multi-category seaice:
661     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
662       SEAICE_MULTICATEGORY
663     - fix short wave heat flux
664    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
665       and allow to use EVP solver. Change forward lab_sea: test both EVP
666       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
667    o Initial check-in of lab_sea adjoint
668      (very similar to natl_box_adjoint/code_seaice)
669      * used C-grid and EVP solver
670      * used KPP, GM/Redi
671      * uses inAdExact=.TRUE.
672      * gradient checks fail for both ADM and TLM
673        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
674        f.d. gradients actually seem more problematic than ADM, TLM gradients;
675        issue is related to forward mismatch between g77 an ifort
676    o pkg/seaice: overhaul of thermodynamics
677     - growth.F and groatb.F are replaced by new routine seaice_growth.F
678     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
679     - move a few global fields out of SEAICE.h into seaice_growth.F and
680       make them 2D (FICE/QNETO/ ...)
681     - remove FO (it is the same as QNETO)
682     - introduce a few local fields to avoid modifying external fields such
683       as atemp, etc.
684    
685    checkpoint58s_post
686    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
687      changed exf_set_gen.F so that
688        genperiod=0 means input file is one time-constant field and
689        genperiod=-12 means input file contains 12 monthly means
690    o CG2D: use pre-computed solver main-diagonal (stored in common block);
691      this affects truncation error ; generate new output file for exp. which
692      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
693        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
694        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
695        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
696        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
697        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
698    o start implementation of deep-atmosphere and anelastic formulation
699    o verification: remove 2nd copy of input files and use script "prepare_run"
700      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
701    o mom_common/vecinv/fluxform: fix a few initialisation isssues
702    o profiles: fix for multithreaded case
703    
704    o diagnostics: rename few diags:
705      s/'PRESSURE'/'RCENTER '/g
706      s/'TICE    '/'oceFreez'/g
707      s/'TAUX    '/'oceTAUX '/g
708      s/'TAUY    '/'oceTAUY '/g
709      s/'SWFLUX  '/'oceQsw  '/g
710      s/DIFx/DFxE/g
711      s/DIFy/DFyE/g
712      and add few ocean-forcing diagnostics:
713      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
714    o modifications to pkg/seaice/growth.F and budget.F, which change results of
715      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
716      as actual snow thickness.  It now refers everywhere to effective snow
717      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
718    
719    checkpoint58r_post
720    o modifications to pkg/seaice/growth.F, which change results of
721      lab_sea experiment: fixes pertain to melting snow over open water, to
722      masking EVAP under sea ice, and to using the correct AREA variable for
723      computations of EVAP, PRECIP, HSNOW, and GHEFF
724    o add ability to read bathy, salt, and theta using MNC (off by def)
725    o add flooding algorithm and advection of HSNOW for pkg/seaice;
726      both are turned off by default and do no change any results
727    o seaice advection with pkg/thsice: a step toward the use of non-linear
728      advection scheme, but #ifdef or commented out for now (requires more EXCH).
729    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
730      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
731      in natl_box (affects results @ truncation level: update output.txt)
732    o multi-threading and IO:
733      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
734      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
735        (needed to work with SingleCpuIO): tested in all verif. exp.
736    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
737      affects the results (but none of the verification test uses this scheme).
738    o Adding some pkg/diagnostics capability to pkg/seaice
739      (will certainly be subject to changes)
740    o ctrl: adding new control variables:
741      lwflux, lwdown, evap, snowprecip, apressure, runoff
742    
743    checkpoint58q_post
744    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
745      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
746      high_res_cube configuration by 4% on Columbia.
747    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
748      add (in global_with_exf/code) a version of EXF_INTERP_READ without
749      dynamical allocation (seems to work in multi-threaded).
750    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
751      single CPU io) so that TAF does not have to see EESUPPORT.h
752    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
753    
754    checkpoint58p_post
755    o obcs: stop if obcs is used with useCDscheme = .true.
756    o shelfice:
757     - fix a sign error so that no slip at shelfice interface works
758     - remove stop for combination non-hydrostatic code and shelfice. That does
759       not mean, that the results are correct, but at least they are numerically
760       stable
761    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
762    o added adjoint exch routined for all exch*3d* routines
763      and updated flow directives
764    
765  checkpoint58o_post  checkpoint58o_post
766  o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;  o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
767    remove old subroutines (_XY_ & _XYZ_); update the adjoint version.    remove old subroutines (_XY_ & _XYZ_); update the adjoint version.

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