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revision 1.1743 by mlosch, Mon Sep 24 15:07:38 2012 UTC revision 1.2005 by jmc, Fri Jun 6 21:17:12 2014 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o verification/global_with_exf:
8      - swith all fields period to -12. (was previously untested) in input/data.exf
9        (but keep secondary test ".yearly" unchanged); update the reference output.
10    o pkg/cal:
11      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
12    o pkg/exf:
13      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
14        to replace logical switch "exf_verbose"
15      - report in STDOUT when loading a new reccord (if exf_debugLev >= 3)
16    o pkg/sbo:
17      - update from Katherine Quinn: evaluate mass directly from density and SSH
18        (budget using Finite Volume method) instead of from bottom pressure.
19      - allow testreport to collect few selected SBO output ; tested in exp.
20        global_ocean.90x40x15 (after updating the results, to include SBO output).
21      - fix some multi-threading issues (in output part).
22    o model/src & most packages:
23      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
24      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
25        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
26        "data.{pkg}" exist ; and leave the S/R (return) just after.
27      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
28        + call LAND_READPARMS from packages_readparms.F
29    o pkg/seaice:
30      - remove code that resets useThSice in S/R seaice_readparms and
31        replace by a warning in S/R seaice_check
32      - remove parameter MULTDIM, replace with nITD and runtime
33        parameter SEAICE_multDim (still hard-wired to nITD if
34        SEAICE_ITD is defined)
35    
36    checkpoint64x (2014/05/24)
37    o verification/lab_sea:
38      - update adjoint and TLM output following changes to pkg/salt_plume
39      - un-do the update after putting back local recip_Cp in few places.
40    o pkg/salt_plume: modifications by An Nguyen:
41      - add capability to do brine rejection (salt-plume) as function of
42        volume+tracers (instead of only salinity tracer).
43      - conserve volume by exchanging volume from each kLev to above to
44        accommodate in-coming brine volume
45      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
46      - switch KPP surf buoyancy due to brine forcing to 3-d
47        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
48      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
49      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
50        in East/West Arctic.
51    o pkg/sbo:
52      - incorporate modifications from Katherine Quinn to enable the use of sbo
53        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
54        output for future testreport verification (unfinished).
55    o pkg/atm_phys:
56      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
57        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
58        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
59    o pkg/seaice
60      seaice_calc_ice_strength.F: modify expression to avoid divisions
61        (affects truncation)
62      seaice_do_ridging.F: clean up the insectarium
63      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
64      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
65      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
66      - add some debugging information and error messages (warnings)
67    o model/src: modifications relatd to atmosphere p*:
68      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
69      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
70        of vertical profile tRef in geopotential background and anomaly.
71      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
72        and pkg/atm_phys.
73      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
74        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
75    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
76    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
77        not used right now, but can be used in BGC packages to fix conservation.
78    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
79        other packages too.
80    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
81        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
82    o model/src:
83      - since we have several heat capacity (even in model/src), define "recip_Cp"
84        as local variable (no longer in common block) to avoid any confusion.
85      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
86    o pkg/exf:
87      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
88        air density as function of air Temp, Humidity and atm pressure.
89    
90    checkpoint64w (2014/05/02)
91    o verification:
92      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
93        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
94        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
95        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
96        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
97    o model/src: for atmosphere in p* coords:
98      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
99      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
100        but not yet activated.
101    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
102      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
103      - this changes the results (but not for any verification experiment, because
104        none tests this), but avoids having an extra field in the restart files
105    o pkg/seaice: remove global variable TICE (not needed)
106      - replace by TICES or local variable where necessary (cost_seaice_test,
107        seaice_diagnostics_state)
108      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
109      - use specific read/write routines for reading and writing individual leves
110        of a multilevel field
111    o pkg/ctrl & model/inc:
112      - move additional anomaly fields of control vars (related to options:
113         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
114        from DYNVARS.h into new header file: CTRL_FIELDS.h
115    o pkg/seaice: some small modifications to the ridging code
116      - make fw2ObyRidge a global variable and add the freshwater flux to
117        seaice_growth
118      - pass actual thickness from seaice_prepare_ridging, so that it is
119        computed only in one place and compute it in the same way as in
120        seaice_growth
121      - initialise more fields in seaice_do_ridging that where cause floating
122        point exceptions over land
123    o pkg/seaice: preparations for ridging code and first real ridging code
124      - move most of "PART 1" of S/R seaice_growth into a new and separate
125        S/R seaice_reg_ridge that will both regularize the state variable after
126        advection call the actual ridging routine;
127      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
128        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
129      - remove ridging code from seaice_advdiff
130      - clean up remaining part 1 of seaice_growth in an attempt to make it
131        more readable (this is probably subjective)
132      - call seaice_itd_redist once in the initialisation phase to have the initial
133        conditions in the correct category
134      - finally: add new ridging routine for ITD code
135    
136    checkpoint64v (2014/04/11)
137    o pkg/ecco:
138      - add runtime parameters mdt[start,end]date[1,2]
139      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
140    o pkg/seaice:
141      - make deltaC a global variable, so that it can be used in ridging code
142      - first step towards ridging: introduce new routines that compute
143        ice strength based on ridging parameters
144      - add diagnostic for HSNOWITD
145      - add opnWtrFrac as a global variable (required for ridging scheme)
146    o pkg/salt_plume + pkg/seaice/seaice_growth.F
147      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
148        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
149    o verification/hs94.1x64x5:
150      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
151      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
152    o autodiff:
153      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
154        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
155        For now, only in pkgs used in verification/hs94.1x64x5.
156      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
157        which are specific to TAF/TAMC).
158      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
159        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
160        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
161      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
162        building mitgcmuv_ad (make adAll).
163    o pkg/ecco:
164      - cost_gencost_seaicev4.F:
165         reformulate proxy cost as function of sst and local param SEAICE_freeze
166         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
167      - add stop statement if old names siv4-[sst,vol] are used
168      - add snapshots + cost reports for atmospheric longwave
169      - remove factor 0.1 in front of wtau[u,v]
170      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
171         ALLOW_TMI_SST_COST_CONTRIBUTION
172    o pkg/atm_phys:
173      - add some diagnostics for Short-wave and for convection S/R.
174    o pkg/seaice/seaice_growth:
175      - fix a bug in the lateral melt parameterization for SEAICE_ITD
176        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
177      - rearrange loop order for better vector code in the same code block
178      - rewrite the floeDiameter formula to have fewer divisions
179      -  (miraculously) none of this changes the results of seaice_itd
180    o pkg/smooth:
181      - move param smooth2Ddiffnbt to pkg/ecco
182    o pkg/salt_plume:
183      - salt_plume_frac.F:
184         clean up local param names
185         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
186    o pkg/rw:
187      - add RS version of S/R READ_MFLDS_LEV.
188    o pkg/streamice:
189      - fix the restart test by writing/reading pickup_streamice files.
190    o pkg/seaice:
191      - refine checks for jfnk-related parameters
192      - comment out if statement with SEAICEuseIMEX parameter as long as there
193        is no IMEX code to avoid confusion and surprises
194    
195    checkpoint64u (2014/03/07)
196    o verification/MLAdjust:
197      - rename secondary test suffix:
198         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
199         0.leithD -> AhFlxF  + switch to flux-form
200         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
201         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
202    o pkg/mom_vecinv:
203      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
204        to be before mom_calc_visc.F)
205      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
206      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
207        this is simpler for the adjoint and for diagnostics.
208    o model/src + pkg/momentum:
209      - add input files for  2-D additional Western and Southern cell-edge wall
210         (e.g., to add "thin-wall" where it is =1).
211      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
212        using 2nd hFacZ that is computed from initial (fix domain) hFac
213      - known limitations of thin wall implementation: not yet coded for sigma
214        coords; not working with CD-scheme neither.
215    o pkg/seaice:
216      - rename recently introduced parameters from (wrong name) AB to
217        BDF (backward difference time discretisation)
218      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
219    o tools/adjoint_options:
220      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
221    
222    checkpoint64t (2014/02/01)
223    o pkg/ecco
224      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
225        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
226      - replace hard-coded record number and period which only work for monthly
227        with read-in runtime param that works for other periods (month,day,year)
228    o pkg/thsice
229      - corrected store directive fixes thsice adjoint gradient checks
230    o genmake2 & testreport:
231      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
232        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
233        Update testreport accordingly. No need to set "export OPENAD=true"
234        in adjoint_options/adjoint_oad anymore (will be removed later).
235    o pkg/shelfice:
236      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
237        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
238        so that surface forcing applies to k=kSurf if using pkg/shelfice.
239    o pkg/ctrl, pkg/grdchk, pkg/ecco:
240      - Changes to make GENARR more modular (i.e. invisible if not used)
241    o model/src/temp_integrate.F and salt_integrate.F
242      - re-include store directives that were removed on Dec 27th.
243    o model/src/external_forcing_surf.F
244      - add storage directives for EmPmR and PmEpR to avoid recomputation of
245        seaice_model in the adjoint that is problematic when seaice_model is
246        turned off in the adjoint. The resolved issue dated back to July when
247        EXTERNAL_FORCING_SURF call was moved.
248        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
249    o pkg/exf/exf_check.F
250      - fix a small bug again (originally found by Wentao Liu, now found again)
251      - streamline error output
252    o pkg/streamice and aim_v23:
253      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
254        Apple's /usr/bin/cpp knows what to do:
255        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
256        Target: x86_64-apple-darwin13.0.0
257    
258    checkpoint64s (2014/01/05)
259    o tools/adjoint_options:
260      - switch to fastopt.net TAF server (instead of default fastopt.de) for
261        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
262    o model/src:
263      - remove some unnecessary TAF storage directives in forward_step.F and
264        in dynamics.F (note: not always removed by TAF, e.g., double storage
265        of kappaRU,kappaRV in former version of dynamics.F).
266    o model/src & pkg/ptracers:
267      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
268        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
269        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
270      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
271      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
272      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
273    o useSingleCpuInput separates single-CPU input from single-CPU output;
274        for now only implemented for in exf_interp_read.F
275    o verification/advect_xy:
276      - fix missing EXCH call in local version of ini_salt.F and update output.
277    o momentum diagnostics:
278      - fix which deltaT is used in Total-Tendency diagnostics.
279      - fix typo in diagnostics for momentum tendency from AB.
280    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
281        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
282    
283    checkpoint64r (2013/12/08)
284    o verification/*/results:
285      - Update reference output of experiments that were passing with just 13 digits
286         (make it easier to detect future changes in results)
287    o model/src & pkg/ptracers:
288      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
289        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
290        to inside ptracers_integrate.F ; remove ptracers_advection.F
291    o coupling interface pkgs:
292        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
293      - change the config check to test the agreement of Ocean Depth
294        with ATM land/sea mask (instead of ATM orography);
295      - send to coupler the number of coupler time-steps to do for this run:
296        this allows to check for consistency and don't need anymore to be
297        specified in parameter file "data";
298      in coupler:
299      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
300      - improve report to log-file of config setting (pass log-file unit to few S/R)
301    o pkg/compon_communic:
302      - add coupling send/receive for non-tiled integer vector;
303      - add S/R to check and stop if any proc has an error (similar to
304        eesupp/src/stop_if_error.F but single thread and across Comm_World).
305    o pkg/exch2:
306      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
307        through list of all tiles my proc owns.
308    o model/src:
309      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
310        from rTrans) to simplify dependencies (no need to store rTrans anymore in
311        calling S/R); this affects AD results at machine truncation level:
312        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
313        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
314    o tools/build_options:
315      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
316    o coupling interface pkgs:
317        [compon_communic, atm_compon_interf & ocn_compon_interf]
318      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
319        to each S/R that needs it; remove un-used variables.
320      - change component tile registration (cpl_register.F in both compon_interf
321        and mitcomponent_tile_register.F) to pass the full list of tiles
322        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
323      - with pkg/exch2: adopt the same convention used for I/O to define mapping
324        towards coupler global array (unless W2_useE2ioLayOut=F):
325         a) can now use different tiling between atm & ocn comp.
326         b) no needs to modify the run-Off map when changing tiling (was needed
327            even if using the same tiling between atm & ocn).
328         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
329            full land tiles); not yet tested.
330      - check for valid mapping from comp. tile to coupler global array
331      - improve report of tile registration results to log file.
332    o pkg/exch2:
333      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
334        tile-registration (CPL_REGISTER);
335      - activate (un-comment) definition and setting of "W2_tileIndex" list to
336        store the local bi,bj indices of each tile;
337      - also print bi,bj in local report to log file;
338      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
339        Jun 2009 modif of pkg/exch2).
340    o testing on baudelaire:
341      - run 2 tests at a time: no significant slow down (since enough cpu) and
342        get the full set of test done earlier
343      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
344    o model/src/thermodynamics.F and routines called from it:
345      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
346        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
347        velocity (outp) by adding bolus velocity.
348      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
349        mass transport from velocity + lateral grid cell area
350      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
351      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
352     in thermodynamics.F
353      - remove k from thermodynamics.F and move it to temp_integrate.F
354        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
355        loop).
356      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
357        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
358        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
359        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
360      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
361        global_ocean.90x40x15, tutorial_global_oce_biogeo and
362        tutorial_tracer_adjsens (+ TLM output).
363    o tools/OAD_support and (verification/*/) code_oad:
364      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
365        module conversion ; remove unneeded CPP_EEOPTIONS.h.
366      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
367        version (closer to model/inc/CPP_OPTIONS.h).
368    o model/src:
369      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
370        retired list of parameters (routine FREEZE has been replace by surface
371        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
372    o pkg/gmredi:
373      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
374        velocity (same scheme but affects machine truncation) for GM_AdvForm.
375      - update output of FWD experiments: front_relax.bvp,
376        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
377    
378    checkpoint64q (2013/11/17)
379    o verification:
380      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
381        tutorial_global_oce_biogeo and global_ocean.90x40x15.
382      - generate new output (growth & melt) for seaice_itd experiment after
383        updating the input pickup_seaice files (previously wrong).
384    o pkg/cost:
385      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
386        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
387        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
388          cannot be applied to var in common block).
389        o allows to get results independent of tile-per-proc setting (if using
390          slower GLOBAL_SUM_SEND_RECV option).
391      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
392        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
393        forward gradients: update output).
394      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
395        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
396    o pkg/mom_common:
397      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
398        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
399        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
400        ensure that all field value that are used are set.
401    o tutorial_deep_convection (smag3d):
402      - add missing scaling in mom_calc_smag_3d.F;
403      - set smag3D_coeff in input.smag3d such that results do not change.
404    o pkg/dic:
405      - change dic_cost.F to compute cost on each tile first and then apply
406        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
407        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
408      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
409    o eesupp/src & pkg/mdsio:
410      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
411        (from pkg/mdsio) since they are no longer used for tape IO.
412      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
413        (+ keep a copy in pkg/atm_ocn_coupler).
414    o verification/isomip:
415      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
416    o tools/build_options:
417      - optfile linux_amd64_ifort11, fast (no ieee) case:
418        to get a working restart for all experiments, add "-fp-model source"
419        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
420    
421    checkpoint64p (2013/10/20)
422    o pkg/autodiff:
423      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
424        criteria, return to simple (default) tape IO format.
425    o pkg/mdsio (+ eesupp/src):
426      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
427        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
428      - fix globalFile and singleCpuIO options using simpler global mapping.
429      - new pairs of scatter/gather vector S/R (one for each type, generated from
430        template) corresponding to simpler global mapping.
431      - adread_write.F: switch to new S/R (but leave old calls commented) and write
432        to globalFile when parameter globalFiles is set to True.
433      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
434    o pkg/autodiff:
435      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
436        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
437        missing, just add a STOP if array type do not match.
438    o pkg/exf:
439      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
440         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
441         and rename array obsSIce to exf_iceFraction.
442    o tutorial_deep_convection:
443      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
444        for now all in this exp. code dir.
445      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
446        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
447    o eesupp/src:
448      - added SINGLE_DISK_IO option because reading of parameter files on
449        very large number of processors did not work with existing set-up
450    
451    checkpoint64o (2013/09/25)
452    o pkg/atm_phys & atm_compon_interf:
453      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
454    o tools/build_options:
455      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
456        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
457        remove CPP setting (was identical to genmake2 default).
458    o pkg/gmredi & model/src: Some updating and work done on the residual model.
459      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
460      - fixed up the calculation of the eddy stress and how it is added to the
461        external forcing via taueddy_external_forcing.F
462      - at the moment, it is very experimental and only works with the variable eddy
463        diffusivity calculated in gmredi_k3d.F
464    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
465        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
466    o testreport (& tools/do_tst_2+2):
467      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
468    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
469      - remove CPP='cpp -traditional -P' (this is genmake2 default)
470      - add switch (for big setups) to use 'medium' memory-model (but leave it
471        commented out for now). Note: needed with FC 19 to compile big setups.
472    o pkg/atm_compon_interf:
473      - regroup per field origin (model & pkgs) the coupling storage routines
474         (which accumalate in time each coupling field)
475      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
476        update accordingly + simplify aim_do_physics.F
477    
478    checkpoint64n (2013/08/26)
479    o pkg/bbl:
480      - update formulation to reduce dispersion of tracer properties in bbl
481      - replaced horizontal and vertical transport parameters with velocities
482      - changes results for verification/global_with_exf.yearly
483    o verification/halfpipe_streamice:
484      - change to matrix construction; update both Fwd & AD output.
485    o verification/tutorial_tracer_adjsens:
486      - OpenAD test: switch to vector-invariant momentum since fluxform with
487        rStar causes problems with OpenAD; update output.
488    o tools:
489      - genmake2: define a common prefix for all temp-file names ; move them
490        to local /tmp disk (but would be easy to move them back);
491      - xmakedepend: apply the same switch for temp-files.
492    o pkg/offline:
493      - changes for use with rStar (NLFS): assume that we continue to provide
494        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
495        output files) and apply r* scaling at each time-step (function of the time
496        varying Eta field); use normal pickup files (needed for restart with NLFS).
497    o adjoint with OpenAD:
498      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
499        package openad.  This package has to be compiled for all runs with OpenAD
500        instead of specifying code_oad_all as a modification directory.
501      - link the fortran templates from tools/OAD_support to the build directory
502        for preprocessing to avoid conflicts between different setups compiled
503        simultaneously and simplify cleanup.
504    o pkg/exf:
505      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
506        main model or other pkgs are exchanged in EXF_MAPFIELDS).
507    o model/src:
508      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
509        (similar to do_fields_blocking_exchanges.F).
510    o tools/genmake2:
511      - remove TAF output src code just before calling staf (when not doing a fresh
512        built, will stop if things go wrong with staf).
513      - fix target "adobj" (left from TAF version-2 transition)
514    o pkg/diagnostics:
515      - add a parameter to track the status of pkg/diagnostics activation;
516        this replace/extend the use of logical param "settingDiags" (to check
517        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
518        New S/R to print error message and stop when pkgStatus is not right.
519      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
520    
521    checkpoint64m (2013/08/13)
522    o model/inc:
523      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
524        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
525    o pkg/kpp & aim_v23:
526      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
527    o pkg/seaice:
528      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
529        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
530      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
531    o eesupp/src:
532      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
533        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
534    o switch to TAF version-2:
535      - add flow directives to "freeze" naming convention for ad-routines that
536        are used in I/O routines of adjoint state and associated common blocks
537        that are used in adcommon.h (backward compatible with version-1)
538      - update all ad-optfiles (in tools/adjoint_options + few local to some
539        verification exp) to switch to latest TAF version (currently 2.5.5);
540        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
541        out except for diva).
542      - the major change with TAF version-2 is that both the differentiated
543        routines and the forward routines (new) are returned as part of the TAF
544        output source code. Update genmake2 accordingly.
545      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
546        with version-2 when compared to TLM or FWD gradient); other experiments
547        output show minor changes (machine truncation level); update the few AD &
548        TLM output with 12 matching digits only (some prior to version-2 switch).
549    
550    checkpoint64l (2013/08/05)
551    o model/src:
552      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
553      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
554        when using TAF but only if using OpenAD.
555    o pkg/mom_common+fluxform+vecinv:
556      - always set horiz. viscosity arrays to background value before calling
557        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
558        only when using variable horiz. viscosity (useVariableVisc=T);
559      - simplify mom_vecinv.F (only 1 block for momViscosity).
560    o pkg/mom_common: variable horiz. viscosity in NH code
561      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
562        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
563      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
564        useBiharmonicVisc & useVariableVisc.
565      - fix old bug (already in 1rst implementation of variable horizontal viscosity
566        in calc_gw.F, version 1.27, 2006/06/20):
567        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
568        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
569      - change background horiz viscosity in vertical momentum (gW) to always be
570        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
571        any type of variable viscosity, e.g., viscAh/4Grid)
572      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
573        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
574        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
575        default viscAh,viscA4 is zero).
576    o model/src:
577      - extend length of drC & recip_drC from Nr to Nr+1.
578    o Divided Adjoint (DIVA) with MPI:
579      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
580      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
581        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
582    
583    checkpoint64k (2013/07/23)
584    o tools/OAD_support:
585      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
586        and remove it from genmake2.
587    o tools/build_options:
588      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
589        MPI_HEADER_FILES list (let genmake2 find the missing headers)
590    o verification/halfpipe_streamice:
591      - change to driving stress formulation; update both Fwd & AD output.
592    o tools/genmake2 and Divided Adjoint with MPI:
593      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
594      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
595      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
596        Makefile, which is set by genmake2, and check which mpi-headers are needed.
597        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
598      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
599    o testreport:
600      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
601        perform additional runs (number of additional runs is "add_DIVA_runs" taken
602        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
603    o verification/lab_sea (AD test):
604      - change to test Divided Adjoint Run in this set-up (both standard AD test
605        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
606    o pkg atm_ & ocn_compon_interf:
607      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
608        staggerTimeStep implementation) and disable (retired) corresponding
609        parameter.
610    o pkg/offline:
611      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
612      - add S/R OFFLINE_CHECK to print offline parameter summary
613        and stop if loading a file that is not used;
614      - enable to calculate GMRedi tensor, KPP mixing and convective index
615        when the corresponding file(s) is/are not specified (but pkg is used).
616      - comment out resetting of monitorFreq (to endTime) since it still useful
617        for monitoring CFL numbers and checking offline fields.
618    o OpenAD:
619      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
620        smaller standard output) and generate new (smaller) output (on baudelaire
621        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
622    o model/src:
623      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
624        (where external_forcing_adjust was called) and change list of arguments;
625      - merge external_forcing_adjust.F into external_forcing_surf.F
626      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
627        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
628        previously in file "balance_relax.F", now removed); remove corresponding
629        arrays in FFIELDS.h.
630      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
631        a hack for getting back surfaceForcingS (loaded from file) when using
632        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
633      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
634        (was getting only 11 digits for AD-grad, due to different truncation
635         error in AD code).
636    
637    checkpoint64j (2013/07/04)
638    o pkg/offline:
639      - to enable the use of other features with pkg offline (e.g., obcs),
640        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
641      - comment out "allowFreezing" (now active) in 2 offline testing exp.
642    o pkg/exf ALLOW_RUNOFTEMP
643      - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
644      - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
645      - changes verification/global_ocean.cs32x15/results/output.seaice.txt
646    o pkg/atm_phys:
647      - allows to add some damping on uVel,vVel (strength only function of k).
648    o verification, ad-tests:
649      - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
650        global_ocean_ebm and offline_exf_seaice.thsice.
651    o verification/halfpipe_streamice:
652      - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
653        flux input boundary conditions to be ignored; a fix for this bug changed
654        verification results for forward test.
655      - add adjoint test.
656    o pkg/ptracers:
657      - allow to restart without SOM pickup (resetting SOM to zero).
658    o pkg/gmredi:
659      - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
660      - It uses mixing length theory and suppression by steering level effects to
661        calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
662        to JPO, for more details).
663      - It also uses the diffusivity to calculate an eddy induced streamfunction
664        based on a PV closure (rather than a buoyancy closure as in GM).
665      - New files added to pkg/gmredi:
666        gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
667          induced overturning streamfunction (called from gmredi_calc_tensor)
668        gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
669          for use in gmredi_k3d
670        gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
671          the eddy diffusivity
672    
673    checkpoint64i (2013/06/18)
674    o pkg/cheapaml:
675      - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
676        that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
677        with pkg/cheapaml.
678    o utils/python: add subpackage for cubed sphere function, first example is
679        simple cs.pcol to plot 2D fields on a map
680    o pkg/streamice:
681      - This is a new package in MITgcm, which solves dynamic equations for ice
682         sheets and ice streams
683      - At the moment it is independent of atmosphere/ocean dynamics, or any
684        other physical packages in MITgcm, even ShelfIce (although it is anticipat-
685        ed that this will change)
686      - There is a new verification exercise that tests it, halfpipe_streamice,
687        evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
688        rectangular embayment
689      - halfpipe_streamice is forward-only for now, will have TAF test soon
690      - for questions, email dgoldber@mit.edu
691    o pkg/thsice:
692      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
693        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
694      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
695         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
696      - allow precip from pkg/cheapaml to make snow over seaice.
697    o pkg/cfc:
698      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
699      - remove atmos CFC 2-D arrays from common bloc (now local variables)
700      - change some hard-coded constant to run time parameter for reading and
701        and interpolating atmospheric CFC ; keep same default as previously.
702      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
703      - put arguments in standard order: myTime, myIter, myThid
704      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
705        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
706      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
707      - new routine to print summary of CFC params and check for consistency.
708    o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
709      similar to thsice_advdiff.
710      Note that for the B-grid case the routine parameters uc/vc are overwritten.
711    o pkg/cfc:
712      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
713        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
714      - fix interpolation of atmphspheric CFC between Sorthern and Northern
715        hemisphere value.
716    o pkg/seaice:
717      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
718    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
719                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
720      - requires an additional time level that is stored in the pickup
721      - you can start with AB2 from a pickup without this time level with
722        pickupStrictlyMatch = .false.
723    
724    checkpoint64h (2013/05/26)
725    o pkg/cheapaml:
726      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
727        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
728      - consistent treatment of uWind,vWind location: assume everywhere in
729        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
730        (Note: was already the case for Tair,Qair advection);
731        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
732      - compute diabatic forcing only in the interior (excluding overlap regions)
733      - fill in array "Qsw" (for short-wave heating);
734      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
735        before any update (consistent with MITgcm state var diagnostics);
736      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
737        non periodic ; + adjusted for uWind,vWind (C-grid).
738    o pkg/seaice:
739      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
740        add explicitly pkg/exf in experiments that currently use pkg/seaice.
741      - allows to compile pkg/seaice without pkg/exf.
742    o tools/OAD_support:
743      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
744        of array "ourStepOf" in function rvNextAction (revolve.F90).
745    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
746      - change pkg name (to be used with other atmospheric physics pkg)
747        but by-pass CVS when making the new pkg so that we keep the CVS history.
748    o pkg/offline:
749      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
750        (previously called from pkg/dic_surfforcing_init.F)
751    o model/src:
752      - re-order sequence of calls within packages_init_variables.F, using
753        standard order, except for:
754         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
755         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
756    o new pkg: atm_phys
757      - add entry point and source code (previously in contrib
758          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
759        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
760      - re-order sequence of calls within packages_readparms.F,
761         packages_init_fixed.F and packages_write_pickup.F
762        (but skip packages_init_variables.F because of TAF issues).
763      - update contrib/*/atm_gray/ experiment.
764    o pkg/seaice (ITD code):
765      - simplify and fix the writing of pickup-files for ITD case
766    o pkg/seaice (ITD code):
767      - introduce floe size dependent lateral melt for ITD case;
768      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
769      - update seaice_itd experiment main output.
770    o pkg/thsice:
771      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
772        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
773        changed accordingly pkg/atm2d.
774    
775    checkpoint64g (2013/05/01)
776    o pkg/exf ALLOW_RUNOFTEMP
777      - if defined,  river and glacier runoff temperature can be read-in from
778        runoftempfile; runoftempfile needs to have same format as runofffile
779    o pkg/thsice (& pkg/bulk_force):
780      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
781        for energy content of Precip + RunOff & Evap (like with pkg/exf).
782      - change computation domain to always be the interior (without overlap).
783      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
784    o verification/tutorial_global_oce_biogeo:
785      - add preliminary OpenAD setup (still has problems)
786    o pkg/seaice:
787      - turn some parameters for choosing the convergence criterion of
788        the inexact Newton method (JFNK) into runtime parameters for convenience
789      - clean up seaice_calc_viscosities.F: remove/retire two options for
790        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
791        the results of lab_sea/input because a division has been replaced by
792        a multiplication with the reciprocal (sumNorm)
793      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
794        convergence of solver (changes results, of course), and to test some
795        new features
796    o model/src:
797      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
798      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
799      - move forcing adjustment (balancing surface forcing) in specific S/R
800        where might also be applied exchanges (if needed) to forcing arrays.
801    o pkg/shelfice:
802      - allow to specify the Ice-Shelf mass per unit area (instead of
803        shelficeLoadAnomaly) and do the conversion from one to the other
804      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
805        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
806        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
807        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
808      - update isomip experiment forward output (get machine truncation error
809        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
810    o verification/offline_exf_seaice:
811      revise data.seaice in input.thermo and input_ad and update results accordingly
812        HO = 0.2, SEAICE_areaLossFormula = 2,
813        SEAICE_growMeltByConv = .TRUE.,
814        SEAICE_doOpenWaterMelt = .TRUE.,
815      Improve consistency with input.thsice and fix the spurious 500m ice corners
816    o verification/global_ocean.cs32x15:
817      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
818        in icedyn (thsice+seaice-dyn) test and update output.
819    o verification/offline_exf_seaice:
820      - adjust list of tested variables (with testreport) and update
821        standard test output with better slection of monitored fields.
822    o pkg/cd_code:
823      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
824        experiment lab_sea.hb87
825    o tools/genmake2:
826      - change default makedepend from the system default to tools/xmakedepend:
827        When no makedepend is specified, select tools/xmakedepend it the test pass,
828        otherwise select the system default (if exist and pass the test) or
829        try to build cyrus-makedepend ; stop if none of the 3 works.
830    o pkg/exf & pkg/thsice:
831      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
832        for energy content of Precip + RunOff & Evap. Assumes:
833       1) Rain has same temp as Air.
834       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
835       3) Run-Off comes at the temp of surface water (with same Cp)
836       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
837        put directly into Latent Heat flux & should use water-vapor heat capacity.
838       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
839        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
840    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
841        (compile when SEAICE_ALLOW_JFNK is defined)
842    o pkg/thsice:
843      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
844        implementation): move THSICE_AVE call after the advection (called directly
845        from thsice_do_advect.F).
846    o verification/global_ocean.90x40x15 and OpenAD:
847      New experiment for OpenAD is identical to the one in input_ad except that
848        multiDimAdvection=.FALSE.,
849      There is still an issue with this.
850    o pkg/thsice:
851      - account for ice velocity (ocean relative velocity) in turbulent heat flux
852        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
853        and offline_exf_seaice (main test).
854    
855    checkpoint64f (2013/03/31)
856    o verification/OpenAD:
857      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
858    o verification/isomip, pkg/shelfice and OpenAD:
859      - add OpenAD setup to this exp and make shelfice package work with OpenAD
860    o verification/tutorial_global_oce_biogeo:
861      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
862    o verification/offline_exf_seaice:
863      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
864    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
865      - add OpenAD setup to this exp and make ptracers package work with OpenAD
866    o pkg/seaice/seaice_evp.F:
867       mask the asymmetric contribution of the ice-ocean stress (when
868       the turningAngle is non-zero) over open water to avoid stripes
869       in the EVP-solutions after many EVP-substeps. This does not change
870       the verification experiment (because turningAngle=0 in that experiment),
871       but will affect other EVP solutions with turningAngle.ne.0
872    o verification, AD & TLM output:
873      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
874        additions and multiplications which affect results at machine truncation
875        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
876        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
877        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
878        digits of matching.
879    o pkg/seaice:
880       modify lsr-algorithm so that it vectorizes AND converges by using a
881       "zebra" method: split vector loop into two with step size 2; this
882       solves a general convergence problem for the JFNK solver on a vector
883       computer. It has the potential to even improve convergence for
884       non-vector machines, but it does change the results so it is turned
885       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
886       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
887    
888    checkpoint64e (2013/03/05)
889    o pkg/ecco and several verification experiments:
890       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
891       from ecco package, and revert to unified routine in model/src/
892       Adjust verification experiments accordingly, especially gloal_oce_llc90
893       Should conclude long-standing work by Gael to reconsile the_main_loop with
894       ECCO and will enable OpenAD's revolve loop in ECCO setup.
895    o pkg/generic_advdiff:
896      - implement compressible flow method for multi-dim advection (similar to
897        gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
898        TAF generates many recomputations) to use it; no yet coded with implicit
899        vertical advection.
900      - change experiment advect_cs (new output) and advect_xy (same output)
901        to test compressible flow multi-dim advection.
902    o pkg/generic_advdiff:
903      - fix SOM advection for unusual cases (linear Free-Surf in r*, other
904        cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
905    o pkg/seaice:
906      - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
907        bug affects two verification experiments (lab_sea and lab_sea.hb87),
908        recover old (wrong) results by setting noSlipFac = 2. in
909        seaice_calc_strainrates.F;
910      - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
911      - add runtime parameter SEAICE_JFNKepsilon for that finite difference
912        gradient in the Jacobian times vector operation (s/r seaice_jacvec)
913      - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
914    o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
915      - new subroutines seaice_lsr_tridiagu/v
916      - introduce loop bounds i/jmin/max to be able to use a restricted
917        additive Schwarz method, but not used for now.
918      - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
919      - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
920    o OpenAD support
921       Reorganize S/R call for overall time-stepping loop to facilitate
922       OpenAD revolve loop replacement
923       (new S/R main_do_loop.F)
924    o model/src:
925      - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
926      - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
927        ADAMS_BASHFORTH2.
928    o pkg/cheapaml:
929      - add new parameter (default=F, same as before) to disable full domain
930        (including land) periodicity in X & Y dir.
931      - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
932        prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
933        into single S/R CHEAPAML_TIMESTEP.
934    
935    checkpoint64d (2013/02/17)
936    o pkg/monitor (angular momentum):
937      - do not add Eta contribution to the total AM if using rigid-lid;
938      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
939      - horizontal discretisation: compute Zonal wind contribution separately for
940        each component (instead of from cell centered averaged) and use the 4
941        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
942      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
943        FreeSurf) if using vectorInvariant momentum.
944    o model/src (horizontal grid):
945      - move initialisation of all horizontal grid arrays to null value
946        from specific horizontal grid S/R to main S/R INI_GRID;
947      - add 2 new arrays to project model C-grid velocity on to zonal direction
948        (similar to AngleCosC & -AngleSinC but at U and V point location) and
949        compute them in S/R CALC_GRID_ANGLES.
950    o pkg/seaice: replace a hard coded parameter by a runtime parameter
951        SEAICE_JFNK_tolIter
952    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
953        preconditioner for JFNK (run LSR into the overlaps as far as possible,
954        i.e OLx/y-2, but overwrite the solution in the overlaps)
955      - extend loop range in seaice_calc_viscosity
956      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
957      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
958      - slightly modify loops in tridiagonal solver lsr-preconditioner
959      - by default remove the extra exchange in seaice_preconditioner with a
960        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
961      - modify offline_exf_seaice so that old results without RAS are reproduced
962        for output.dyn_jfnk.txt
963      in seaice_fgmres.F (unrelated to RAS)
964      - add a cpp-flag option for a re-ordered mapping (potentially more
965        efficient), but because this changes the results, turn it off by
966        default
967      - replace the save statement by local common blocks
968    o utils/matlab:
969      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
970      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
971        instead of local script "load_cs.m".
972    o pkg/seaice:
973      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
974        to the scalarProductMetric and the unrolling. By chance this does not
975        change the verification experiment, because of the particular domain
976        decomposition
977    o pkg/diagnostics:
978      - change default missing_value from UNSET_RL to -999.
979    o pkg/layers: improve vectorization of layers_fluxcalc.F
980      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
981        time spent in this routine by more than a factor of 3 on an NEC-SX8
982      - step 2: replace search algorithm by a bisection algorithm found in
983        Press et al. Numerical Recipes in Fortran. This algorithm can be
984        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
985        For now, use this algorithm only for TARGET_NEC_SX defined.
986      - moved the search algorithm into a separate subroutine, that is kept
987        within the same file for automatic inlining.
988      - modified catching potential errors
989    o pkg/ecco:
990      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
991    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
992      - modifications for ALLOW_GENTIM2D_CONTROL
993      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
994      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
995      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
996      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
997    o model/src:
998      - account for moist thermodynamics in (dry) potential temperature equation;
999        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
1000        and cpl_aim+ocn.
1001      - also switch to standard compiler (gfortran, was using ifort previously)
1002        for fizhi-cs experiments reference output.
1003    o pkg/ctrl:
1004      - 1st step toward generic time-varying control variable (2D) via CPP option
1005        ALLOW_GENTIM2D_CONTROL
1006      - note new namelist ctrl_nml_genarr in data.ctrl
1007    o verification/global_ocean.cs32x15:
1008      - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
1009        thsice calling sequence and update "output.icedyn.txt" output file.
1010    o pkg/ptracers:
1011      - from Ryan A.: code to allow to restart a tracer at regular time interval
1012        specifying a reset frequency and a reset-phase (for each tracers).
1013    o pkg/thsice:
1014      - implement new sequence of calls for thsice+seaice:
1015          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
1016          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
1017      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
1018        in CPP_OPTIONS.h) to recover old sequence;
1019      - update diagnostics for Intermediate State thsice diagnostics: now filled
1020        just before advection (instead of just after advection in old sequence);
1021      - update output of experiment offline_exf_seaice (standard test);
1022      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
1023        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
1024    o pkg/aim_v23:
1025      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
1026      - use standard pkg/mdsio routines to read & write CO2 pickup file;
1027      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
1028      - Implement new sequence of calls for seaice advection (with thsice and
1029        seaice diffusion): do ice advection after ice-Thermodynamic (previously
1030        was done before); change aim_do_physics.F (split the bi,bj loops block);
1031      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
1032    o pkg/thsice:
1033      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
1034        where just seaice diffusion is used without seaice-dynamics.
1035    
1036    checkpoint64c (2013/01/18)
1037    o pkg/seaice:
1038      - add a parameter JFNKres_tFac that can replace JFNKres_t
1039        (= JFNKres_tFac*JFNKresidual before JFNK solver)
1040      - add a line search option to the JFNK solver
1041      - move update of u/vIce and computation of initial residual into a separate
1042        routine (same file); makes the code a little easier to read (?)
1043      - the line search requires computation of the residual and for some reason
1044        I cannot do the update of u/vIce at the beginning of the Newton loop
1045        without changing the results, so we move computation of the new residual
1046        also to the end of the Newton loop, even without the line search
1047    o pkg/mdsio:
1048      - write missing value (corresponding to undefined array value) to meta files;
1049        skip this if missing value is one (UNSET_RL would be a better value for the
1050        case of undefined missing value but it's current the default missing-value);
1051        Also update mdsio_read_meta.F (reading timeInterval & missing-value).
1052    o pkg/exf & thsice:
1053      - for diagnostics purpose, fill-up and update Qsw array (+ fill the
1054        diagnostics) even when SHORTWAVE_HEATING is #undef;
1055    o verification/cfc_example:
1056      - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
1057        illustrate how to use it).
1058    o verification/offline_exf_seaice:
1059      in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
1060        files to only one time-record.
1061      in input.thermo: narrow the 2 bands of low initial ice-concentration near
1062        N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
1063        snapshot output; same mcPheePiston value as in thsice with
1064        surf-current=0.2m/s.
1065      in input.thsice: similar set-up as in input.thermo (channel with same seaice
1066        initial conditions).
1067    o verification/cfc_example:
1068      - update file "data" with more standard choice (default rotationPeriod,
1069        exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
1070        set deltaTFreeSurf to deltaTtracer) and update the output.
1071    o pkg/layers:
1072      - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
1073      - ensure that "layers_bolus" is switched to False when useGMRedi=False.
1074    o verification/offline_exf_seaice:
1075      - set all {field}period to zero for constant-in-time forcing (not tested
1076        anywhere else).
1077    o verification/offline_exf_seaice:
1078      - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
1079      - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
1080    o model/src:
1081      - implement Finite-Volume method for (hydrostatic) presure gradient
1082        from S.-J. Lin (QJRMS 1997), for atmosphere using sigma-coordinate.
1083    o pkg/seaice: implement EVP* by Lemieux et al. (2012).
1084      - In order to be compatible with the default EVP code, this requires changing
1085        the EVP code around a little; and because any small change immediately
1086        breaks the lab_sea.hb87 verification experiment, the reference output is
1087        updated two times (each time the remaining aggrement was only 2 digits):
1088        - after replacing 1/dt by 1*recip_dt with a precomputed recip_dt
1089        - after replacing 1/(1+0.5*dt/tau) by a/(a+1), with a=2*tau/dt
1090        The adjoint test lab_sea.evp also needed to be updated.
1091      - Turn on EVP* by setting SEAICE_deltaTevp as before, and setting
1092        SEAICEuseEVPstar=.true.; for EVP* SEAICE_deltaTevp does not need to be
1093        a factor of SEAICE_deltaTdyn, and you can set the number of EVP steps
1094        explicitly with SEAICEnEVPstarSteps (thereby overriding the default of
1095        INT(SEAICE_deltaTdyn/SEAICE_deltaTevp)). Controlling EVP* is deliberately
1096        kept obscure, because I need to test it a little more.
1097    o pkg/cheapaml:
1098      - fix few incorrect type (_RL/_RS) in subroutine calls.
1099    o pkg/seaice:
1100      - new S/R SEAICE_MAP_RS2VEC (similar to SEAICE_MAP2VEC) to map _RS arrays
1101        to _RL vector; this fixes JFNK code when compiling with "-use_r4" option.
1102    o model/src:
1103      - add a warning if using select_rStar=2 with nonlinFreeSurf <> 4;
1104        change (in input_ad*/data) select_rStar from 2 to 1 for AD verification
1105        experiments global_ocean.cs32x15 & tutorial_tracer_adjsens (+ update output)
1106    o pkg/cheapaml:
1107      - replace "273.1 _d 0" by celsius2K in pkg/cheapaml/cheapaml.F and
1108        update output of experiment cheapAML_box.
1109      - store in CHEAPAML.h coeffs ssq[0:2] for saturation specific humidity,
1110        and set them only in one place (cheapaml_readparms.F).
1111      - replace "273.16 _d 0" by celsius2K & replace "3.14159 _d 0" by constant "PI"
1112      - remove re-setting of main-model parameter "celsius2K" (in cheapaml_readparms)
1113        and re-setting of cheapAML params "lath" & "p0" (in cheapaml_init_varia).
1114    o model/src/the_main_loop.F:
1115      - fix revision 129 : need both ALLOW_ECCO and ALLOW_ECCO_EVOLUTION.
1116    o pkg/seaice:
1117      - remove legacy branch code.
1118      - retire SEAICE_GROWTH_LEGACY and SEAICE_CAP_HEFF accordingly.
1119    o verification/*/code*/SEAICE_OPTIONS.h:
1120      - remove documentation for retired CPP flags (SEAICE_GROWTH_LEGACY,
1121        SEAICE_CAP_HEFF).
1122    o pkg/cheapaml:
1123      - use standard routine (S/R GET_PERIODIC_INTERVAL) to decide when it is time
1124        to load new forcing fields.
1125      - add missing "_d 0" where it's needed; + some editing (improve indentation).
1126      - remove switch to "-r8" compiler option (no longer needed) in verification
1127        cheapAML_box, keep same output (small trucation error differences).
1128    o verification/offline_exf_seaice:
1129      - add thermodynamics only test.
1130    o verification/cheapAML_box:
1131      - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
1132        keep same output (same 14 digits for cg2d).
1133      - switch on "-r8" compiler option (some numerical values are missing
1134        the "_d 0") and update output (only 6 digits for cg2d were preserved).
1135    
1136    checkpoint64b (2012/12/24)
1137    o pkg/cheapaml:
1138      - remove un-used variables (Qnet,EmPmR) from pickup files.
1139      - store tendency of advected variables into cheapaml pickup file
1140        and fix the AB-2 restart.
1141    o verification/offline_exf_seaice and lab_sea adjoint:
1142      - switch to new code (#undef SEAICE_GROWTH_LEGACY).
1143      - switch to 4 time steps in offline, consistent with lab_sea.
1144      - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
1145      - update results after change of experiment seaice.
1146    o pkg/seaice:
1147      - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
1148        parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
1149        still defined since SEAICE_multDim needs to be set to MULTDIM value (from
1150        SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
1151    o model/src:
1152      - add run-time parameter to select CG2D solver minimum-residual solution
1153        (in case of a poor convergence).
1154    o pkg/seaice/seaice_lsr.F
1155      - move calculation of matrix coefficients into new
1156        S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
1157        file; the main purpose of this change is to be able to reuse the code
1158        in S/R SEAICE_PRECONDITIONER
1159      - modify the computation of the residual so that the mass of sea-ice
1160        is not used twice; this simplifies the calculations, but since
1161        the residual is never used except when LSR_mixIniGuess.ge.4---and this is
1162        not tested in testreport---this does not affect the testreport results.
1163    o verification/seaice_obcs:
1164      - disable SEAICE_GROWTH_LEGACY; reset input files to match those of
1165        verification/lab_sea/input.salt_plume; changes results/output.txt*
1166    o model/src:
1167      - adapt quasi-hydrostatic formulation to work with p or p* coordinate.
1168    o pkg/seaice:
1169      - improve description of parameters in seaice_fgmres.F and start
1170        cleaning up the code
1171      - change name of SCALPROD to SEAICE_SCALPROD and modify meaning of
1172        second argument
1173      - add a metric based on grid cell area to SEAICE_SCALPROD; update
1174        results of offline_exf_seaice.dyn_jfnk
1175      - compute initial residual norm in seaice_jfnk based on SEAICE_SCALPROD
1176    o pkg/aim_v23:
1177      - fix an other bug in dissipation heating (grid-cell area was missing).
1178    o model/src + pkg/seaice:
1179      - add global (multi-tile) linear solver for pair of tri-diagonal system
1180        along X and Y lines, respectively for U and V component.
1181        Note: 1) MPI and cube-exchange not yet coded.
1182            2) probably not accurate for poorly conditioned / large size problem.
1183      - add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver;
1184        default: not compiled and not used.
1185    o pkg/seaice:
1186      - first attempt at a multi-threaded fgmres solver for the JFNK solver:
1187        introduce bi/bj loops and use global_sum_tile_rl instead of
1188        mpi_allreduce in seaice_fgmres.F
1189      - improve diagnostics output for fgmres solver (seaice_fgmres.F)
1190      - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)
1191      - add a verification experiment for JFNK in offline_exf_seaice
1192    o verification:
1193      - change (for now, only fwd test) offline_exf_seaice experiment:
1194        use a re-entrant channel with idealized coastline (trapezoidal shape)
1195        at southern boundary to explore seaice dynamics and thermodynamics
1196        with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
1197        secondary test (input.thsice) use thermodynamics only with SST relaxation.
1198      - add seaice-dynamics only secondary test using LSR and pkg/thsice advection.
1199    o pkg/exf:
1200      - disable "sstExtrapol" when Nr=1
1201    o verification:
1202      - add new experiment "cheapAML_box" (simple 1 layer set-up from Bruno Deremble)
1203        to test pkg/cheapaml.
1204    o pkg/aim_v23 & pkg/shap_filt:
1205      - fix dissipation heating (erroneous gravity multiplication factor).
1206    o pkg/seaice:
1207      - remove unused field pressPre from jfnk solver
1208      - rename two subroutines in seaice_preconditioner.F
1209    o eesupp/src:
1210       - S/R MDSFINDUNIT avoids reserved unit numbers (scrUnit1, eeDataUnit ...)
1211    o pkg/seaice/seaice_preconditioner.F: fix preconditioner once again
1212       - remove wrong parts of the rhs and the lhs (were in there
1213         because I did not understand the concept of this preconditioner)
1214       - add an exchange between u- and v-sweep. This increases communication
1215         by a factor of two but improves the convergence of jfnk. Ideally,
1216         one would like the u- and v-sweep to be independent. So far within
1217         undocumented ifdefs
1218       - reorganize the extra computations for printing the residuals
1219    o tools/genmake2:
1220      - comment out the "mpif.h" include in NetCDF test programm (for MPI built)
1221        since it's not necessary (and was preventing to use MNC in some cases).
1222    
1223    checkpoint64a (2012/11/16)
1224    o pkg/autodiff:
1225      - improve pkg-internal logical parameter switch (inAd/inFwd mode) so that
1226        autodiff_readparms.F no longer depends on calling order (within
1227        packages_readparms.F) and no longer requires to include ${PKG}_PARMS.h):
1228        rename param turnFreeDriftInAdMode to SEAICEuseFREEDRIFTswitchInAd
1229        and change param SEAICEuseDYNAMICSinAdMode to SEAICEuseDYNAMICSswitchInAd.
1230    o pkg/obcs:
1231      - adding tidal velocity forcing capability to obcs
1232        for usage example, see verification/seaice_obcs/input.tides
1233    o pkg/seaice:
1234      - turn the LSR-relaxation parameters WFAU/V into runtime parameters
1235        SEAICE_LSRrelaxU/V
1236      - introduce runtime parameter SEAICEetaZmethod (=0 by default)
1237    o pkg/aim_v23:
1238      - implement heating from friction (bottom friction and stratospheric drag).
1239    o pkg/shap_filt:
1240      - fix diagnostic "SHAP_dKE" (was 2 time smaller); implement heating from
1241        dissipation but only for Shap_funct=2, active when addFrictionHeating=T.
1242    o model/src:
1243      - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
1244        time-constant addMass field from file (addMassFile);
1245      - support for heating due to friction (and Kinetic Energy dissipation):
1246        add option, run-time switch and 3-D field array + support code ; each pkg
1247        or S/R can add heating contribution (if there is a sink of KE); the sum is
1248        accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
1249    o pkg/seaice:
1250      - complete merge of ITD code into seaice_growth.F
1251        from MITgcm_contrib/torge/itd/code/
1252        no verification so far, but Torge Martin tested
1253        "1-D test case and Beaufort set up;
1254        deliver okay results after 1 model year."
1255      - complete merge of SEAICE_SIZE.h into all relevant routines
1256      - move computation of eta at Z-points into calc_viscosities
1257        + introduce global field etaZ
1258        + add different methods for computing etaZ, for now the old
1259          method (simple averages of eta to Z-points) is hardwired
1260        + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
1261          seaice_preconditioner
1262      - simplify computations for SEAICE_ZETA_SMOOTHREG
1263      - seaice_preconditioner:
1264        + replace one remaining press by pressLoc (mistake)
1265        + adjust printing of residuals
1266      - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
1267        + add (SEAICE.h) and rename some counters (initiliased in
1268          seaice_init_fixed.F)
1269        + add _BEGIN/END_MASTER (myThid)  around print statements
1270        + print total number of iterations and failures over SEAICE_monFreq
1271          interval to STDOUT
1272      - move control over output-messages by fgmres to seaice_jfnk to save
1273        some operations
1274      - move resetting initial guess for fgmres outside of seaice_fgmres_driver
1275        in order to make restarts with sol .ne. zero (fgmres with restarts)
1276        (seaice_jfnk.F, seaice_fgmres.F)
1277      - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
1278        a serious convergence problem when open boundaries are involved
1279    o pkg/ggl90: fix computation of control volumes for the case of
1280      ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
1281      up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
1282    o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
1283    o pkg/autodiff
1284      - Add inAdMode switch for SEAICEuseDYNAMICS:
1285        SEAICEuseDYNAMICSinAdMode
1286        (extend logic in ADAUTODIFF_INADMODE_SET)
1287    o pkg/seaice
1288      - Step 1 of merging ice-thickness distribution (ITD) code from
1289        MITgcm_contrib/torge/itd/ (author: Torge Martin)
1290        The code implements concept laid out in Thorndike et al. (1975);
1291        code is enabled via CPP flag SEAICE_ITD
1292        nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
1293        code is not complete yet!!
1294      - SEAICE_SIZE.h now included in almost all seaice routines
1295    o verification (using seaice):
1296      - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
1297        global_ocean.cs32x15.seaice ; update results.
1298      - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
1299      - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
1300        offline_exf_seaice (previously compiling B-grid).
1301    o pkg/exf:
1302      - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
1303        to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
1304        forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
1305    o pkg/layers (adjust changes from Sept 19):
1306      - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
1307        this allows to remove "layers_maxNum" dimension from all layers arrays.
1308    o pkg/layers (adjust changes from Sept 19):
1309      - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
1310      - snap-shot extended to all type of layers (not just the 1rst type);
1311      - remove layers variables when corresponding CPP option is undef.
1312    o pkg/layers:
1313      - rename pkg/layers variable and add new output (layer exist & un-weighted
1314        velocity in layer)
1315    o pkg/seaice:
1316      - simplify (?) ocean-drag coefficent computations by using
1317        the same routine in all three solvers (saves some code lines)
1318      - remove global fields DRAGA and DRAGS from C-grid code and
1319        declare them locally in lsr.F (the only place where they are
1320        still used)
1321      - update AD output of lab_sea.evp (very sensitive anyway).
1322    o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
1323      (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
1324      and SEAICEuseJFNK=.true. A few things to note:
1325      - involves a FGMRES, that is parallel but very inefficient,
1326        because of many scalar products (global sums) in the Gram-Schmidt
1327        orthogonalization method. Needs to be replaced. Original code
1328        from J.-F. Lemieux
1329      - preconditioner for FGMRES is a stripped down version of LSOR
1330      - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
1331        preconditioner. For the preconditioner, the default is set to 10.
1332      - Jacobian times vector is computed with finite differences
1333      - marginally related to JFNK-solver: add a smooth regularization for
1334        zeta with tanh that will improve convergence (Lemieux and Tremblay,
1335        2009) for any implicit solver (not implemented for EVP because EVP
1336        does not need this regularization in the first place). Define
1337        SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
1338    o eesupp/src:
1339      - check in genmake2 that intrinsic S/R flush is available.
1340      - add S/R to flush IO unit (if intrinsic S/R flush is available)
1341      - flush standard & error msg unit before MPI termination
1342      - if debugMode, flush IO unit after printing msg
1343    o pkg/ctrl:
1344      - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
1345        to ctrl_set_unpack_xyz.
1346    
1347    checkpoint64 (2012/10/09)
1348    o pkg/shelfice
1349      - in mom_fluxform.F, mom_vecinv.F:
1350        CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
1351        Bug fix KappaRU -> KappaRV
1352        does not change verification/isomip but may change other setups
1353        (presumably constant KappaRU=KappaRV)
1354      - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
1355    o pkg/obcs:
1356      - fixed some indexing bugs in obcs_seaice_sponge.F
1357      - added obcs relaxation subroutines for HSALT and HSNOW
1358      - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
1359  o pkg/seaice:  o pkg/seaice:
1360    - add "multicategory" parameterization for snow in analogy to ice,    - add "multicategory" parameterization for snow in analogy to ice,
1361      default is off for now.      default is off for now.

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