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revision 1.1901 by jmc, Thu Jul 25 01:12:45 2013 UTC revision 1.2123 by jmc, Sat Feb 14 22:29:29 2015 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/shelfice:
8      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
9        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
10      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
11        ice-shelf case (i.e., within surface level).
12    o model/src:
13      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
14        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
15        update output of experiments global_with_exf.yearly and isomip (all 6).
16    o pkg/shelfice:
17      - change setting of kTopC to also be zero where there is no ice-shelf.
18      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
19        ice-shelf is.
20      - first attempt to get RealFreshWaterFlux effects: for now, only without
21        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
22    o pkg/seaice: add the option to prescribe a fixed thickness PDF
23      for thermodynamic calculations
24      - because of divisions of the type 7/7 not exactly equal to 1, this change
25        affects results of some verification experiments by up to 4 digits:
26        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
27        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
28        adjoint: lab_sea, lab_sea.noseaicedyn
29        -> updated
30    
31    checkpoint65i (2015/01/23)
32    o model/src:
33      - change units of frictionHeating field from W to W/m^2
34      - fix bug in frictional heating from stratospheric drag in
35        S/R ATM_PHYS_TENDENCY_APPLY_V
36      - with synchronous time-stepping: move resetting to zero of frictionHeating
37        field from load_fields_driver.F to thermodynamics.F ;
38      - add diagnostics for frictional heating.
39    o model/src & gmredi K3D:
40      - add frictionHeating field to pickup-files (for synchronous time-stepping)
41      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
42      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
43        and name in pickup file).
44      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
45    o model/src:
46      - move (from ini_forcing.F) initialisation of all arrays in header file
47        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
48        (since Nov 2012) with option selectAddFluid=1.
49    o pkg/shelfice:
50      - change units (+ document) of newly added field "shelfIceMassDynTendency"
51      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
52    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
53    o pkg/seaice: two new runtime parameters:
54      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
55        long overdue
56      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
57        parameterization of tensil stress for fast ice (does not do anything yet)
58    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
59        for LSR: move checking overlaps out of JFNK-if-block
60    o pkg/atm_phys:
61      - move copy of grid and dynamical fields out of atm_phys_driver.F into
62        new S/R ATM_PHYS_DYN2PHYS.
63      - fix level height for Linear Free-Surf case (to be consistent with
64        fixed-in-time pressure levels).
65    o pkg/mom_common (bottomdrag):
66      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
67        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
68        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
69    o pkg/shelfice (u/v_drag):
70      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
71      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
72        (now similar to shelfice_u_drag.F)
73      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
74        from mom_vecinv.F (similar to mom_fluxform calls).
75    o pkg/mom_common (bottomdrag):
76      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
77      - add options for alternative discretisation of velocity norm in quadratic
78        bottom drag: averaging of grid-cell-center KE to U.point and V.point
79        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
80        improves when averaging only the other component (e.g. vVel for U bottom
81        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
82      - add options (bottomVisc_pCell) to account for partial-cell in bottom
83        friction (no-slip BC) thus getting the true distance from the bottom;
84        off by default since this also reduces model stability (explicit bottom
85        friction). Changes produce different machine truncation with linear-drag
86        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
87        front_relax (bvp & mxl, 10 & 11 digits).
88    o model/src & mom pkgs:
89      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
90        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
91      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
92        just copy level Nr value to level Nr+1.
93    o doc:
94      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
95    o pkg/streamice:
96      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
97        SHELFICE.h: move array shelficemass to init_varia, initialise
98        from array shelficemassinit, which is set in init_fixed and
99        has option to be set from file; introduce array
100        shelficeMassDynTend array, set thru file in init_fixed
101      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
102        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
103        pkg/streamice
104      - shelfice_thermodynamics.F: call shelfice_step_icemass if
105        SHELFICEMassStepping = .true.
106      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
107    
108    checkpoint65h (2014/12/17)
109    o verification/global_ocean.90x40x15, global_ocean_ebm:
110      - update to generic controls.
111    o pkg/ctrl:
112      - ctrl_map_ini_genarr.F: test for igen>0
113      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
114      - move gentim2d part of ctrl_map_ini_genarr.F to
115        new separate routine : ctrl_map_ini_gentim2d.F
116      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
117        add time variable weights and cyclic controls (time mean,
118        seasonal cycle, etc) capabilities to gentim2d
119    o pkg/ecco:
120      - move reading of error, conversion to weights from
121        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
122    o global_oce_llc90, cs32:
123      - activte sbo.
124      - CTRL_SIZE.h : add maxCtrlProc.
125      - activate the new genctrl capabilities.
126      - update following reorganization of global_oce_input_fields.tar.gz  
127    o pkg/ctrl/ctrl_ad_diff.list:
128      - add missing ctrl_init_rec.f
129    o tools/OAD_support/keepOriginal:
130      - add ctrl_init_rec.F
131    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
132      - avoid recomputations of xx_gentim2d_dummy.
133    o momentum diagnostics:
134      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
135        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
136    o pkg/seaice/seaice_lsr.F:
137      - fix computation of BU/BV, make sure they are non-zero, only necessary
138        for cubed sphere exchanges and SEAICE_OLx/y>0.
139        This makes calling s/r fill_cs_corner_rl obsolete (removed).
140    o verification/global_ocean.cs32x15/input.seaice
141      - add test for strong implicit coupling and restricted addtive Schwarz
142        methods for LSR
143      - update results/output.seaice.txt
144    o verification/tutorial_global_oce_biogeo:
145      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
146        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
147        update output_adm,_oadm,_tlm.txt
148    o pkg/dic:
149      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
150      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
151        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
152    o verification/tutorial_global_oce_biogeo:
153      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
154        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
155        update output_adm,_oadm,_tlm.txt
156    o eesupp/src:
157      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
158        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
159    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
160      LSR (following Hutchings et al. 2004)
161      - introduce zetaZ as a global variable (requires adjustments in
162        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
163        in seaice_calc_viscosities.F
164      - new flag SEAICEuseStrImpCpl (default off)
165      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
166        momentum equations
167      - JFNK-solver (preconditioner) adjusted to allow using this method
168        (where it does not have any positive effect)
169    o pkg/seaice
170      - add overlap for restrictive additive Schwartz method also to LSR, but
171        turn it off by default (because it only seems to work for non-cubed
172        sphere/llc topologies)
173    o pkg/autodiff
174      - add extra exchanges in addummy_in_steppging also for mnc output
175    o pkg/seaice:
176      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
177        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
178    o pkg/obcs:
179      - add option to specify domain-connected piece Id along OB though files
180        (for now, only used to diagnose PhiVel; default =1 -> global correction)
181      - modify obcs_diag_balance.F to process each connected-part separately;
182        exclude OB where Id = 0 but keep the full divergence there (-> constant
183        Psi along this portion of OB and all inflow derived from grad(Phi))
184      - add example of OB-conect files in verification/so_box_biogeo/input.
185    o pkg/diagnostics:
186      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
187      a) use non zero matrix element across OB and solve for Phi 1 grid point
188         outside OB (i.e, where tracer OBCS are applied).
189      b) global imbalance of inFlow/outFlow across OB: instead of modifying
190         velocity across OB, spread it uniformly along the OB in the RHS.
191    
192    checkpoint65g (2014/11/19)
193    o pkg/diagnostcis:
194      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
195    o pkg/my82,pp81,kl10:
196      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
197        field diffKr as background diffusivity to set minimum diffusivity value.
198    o pkg/seaice:
199      - add new parameter SEAICEuseEVPrev (for revisited EVP by
200        Bouillon et al 2013)
201      - add SEAICE_evpAlpha/Beta to namelist
202      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
203        involve trivial re-ordering of divisions/multiplications that should not
204        have any effects, but ... they do change the results of lab_sea.hb87 so
205        that only 2 digits of agreement remain, in line with the general
206        instability/fragility of the evp-code. For now, I do not care and just
207        update the verification experiment
208    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
209      - remove xx_genarr2d_numsmooth etc
210      - use xx_genarr2d_preproc etc instead
211      - carry out smooth_correl2D at initialization stage rather than during
212        time stepping.
213      - get smoothOpNb from xx_gentim2d_preproc
214    o global_oce_cs32 :
215      - add test of generic ecco capabilities.
216    o pkg/exf/exf_getsurfacefluxes.F :
217      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
218    o pkg/ctrl,ecco :
219      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
220        is defined.
221    o pkg/seaice: add diagnostics for Delta (deformation parameter)
222    o model/src:
223      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
224        diffusivity (background) is specified but ignored.
225    o verification:
226      - in testreport, convert hostname to lower case for default output dir name
227    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
228    o pkg/dic: add modifications from Hajoon:
229      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
230      - light attenuation: add self-shading effect by climatological Chlorophyll
231        (read from file).
232    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
233        compiles when SEAICE_ALLOW_DYNAMICS is undefined
234    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
235        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
236        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
237        approach where CPP_OPTIONS.h includes an omnipotent
238        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
239    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
240        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
241    o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
242        to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
243        (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
244    o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
245      add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
246      - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
247      - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
248      - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
249    o pkg/ctrl,ecco,exf :
250      - remove variables associated with NON-generic costs,
251        unless ECCO_CTRL_DEPRECATED is defined.
252      - remove NON-generic NON-obcs controls,
253        unless ECCO_CTRL_DEPRECATED is defined.
254    o pkg/ctrl : added ctrl_local_params.h
255    o pkg/ecco : added ecco_local_params.h
256    o verification : added ECCO_CTRL_DEPRECATED to most as and oad
257        experiments, which will progressively be removed once the
258        experiments are revised to use only generic controls/costs.
259    
260    checkpoint65f (2014/10/13)
261    o pkg/ctrl, ecco, seaice : minor changes in headers
262    o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
263        cost function and control capabilities added since checkpoint65c.
264    o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
265    o pkg/ecco: increase modularity and improve logic
266      - ecco_toolbox.F (new) : basic operations that are often used,
267        including ecco_zero, ecco_cp, ecco_cprsrl, ecco_diffmsk,
268        ecco_addcost, ecco_add, ecco_div, ecco_readbar.
269      - cost_gencal.F (new) : determine filnames and records.
270      - cost_genread.F, cost_generic.F : condense code using ecco_toolbox.
271      - cost_generic.F : use spzeroloc rather than hard-coded -9999,
272        and exploit the above functions leading to more compact code.
273      - cost_genread.F : rm un-necessary arguments, re-arrange args order.
274      - ecco_check.F, ecco_readparms.F : bring logic up to date (using_tpj,
275        using_ers, using_gfo, using_mdt is now only defined within gencost)
276    o pkg/ecco: extend generic cost capabilities
277      - pkg/ecco : added 3D gencost (ALLOW_GENCOST3D), added gencost
278        capabilities via gencost_preproc (+ _c,_i,_r related params),
279        gencost_posproc (+ _c,_i,_r related params), gencost_nrecperiod,
280        gencost_outputlevel arguments to cost_generic
281      - pkg/ecco/cost_genread.F (new) : interface between cost_generic
282        and active_read, making room for gencost_preproc to take effect.
283        Added preproc code ('climmon') to replace GENERIC_BAR_MONTH.
284      - pkg/ecco/cost_generic.F :
285        compute and store misfit maks*(model-data) in localdif that is
286        then used in cost and for output, output misfit if outlev.GT.0
287      - pkg/ecco/cost_averagesfields.F : depend on gencost_barskip
288        rather gencost_barfile for deciding whether to write barfile
289      - pkg/ecco/ecco_cost_driver.F : extract call to cost_profiles from cost_hyd
290      - pkg/ecco/ecco_cost_init_fixed.F : extract gencost weights from
291        ecco_cost_weights, re-activate ecco_summary, determine gencost_barskip
292      - pkg/ecco/ecco_summary.F : report gencost variables
293      - pkg/ecco/cost_gencost_customize.F : treat case of scatterometer costs
294    o pkg/sea/SEAICE_OPTIONS.h : add ALLOW_COST_ICE, ALLOW_SEAICE_COST_SMR_AREA
295    o pkg/ecco: internal re-organization
296      - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl
297        (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,
298        mv relevant variables definition from ecco_cost.h to ecco.h,
299        make sure gencost routines only include ecco.h)
300      - throughout : add missing CCP switches, rm unused variables,
301        and rm un-necessary CPP switches
302      - throughout gencost routines : replace modelstartdate with
303        gencost_startdate when needed
304      - cost_bp_read.F : use arguments, instead of common blocs
305        so that it can be used also by (new) cost_gencost_bpv4.F
306      - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0
307      - ecco_phys.F : compute etanFull
308      - ecco_readparms.F : rename using_topex as using_tpj, add
309        bpv4-grace to gencost list, initialize added parameters
310      - ecco_summary.F : include SIZE.h needed for augmented ecco.h
311    
312    checkpoint65e (2014/09/28)
313    o pkg/obcs:
314      - replaced the just-added CPP options with run-time variables
315        (see pkg/obcs/OBCS_PARAMS.h for details)
316    o pkg/obcs:
317      - add additional CPP options for sponge boundary layers
318        (see pkg/obcs/OBCS_OPTIONS.h for details)
319    o pkg/atm_phys:
320      - implement simple (obliquity only, assuming circular planet orbit)
321        seasonal cycle for incoming insolation ; used when run-time parameter
322        "select_incSW" is set to 1 ; by default (=0), uses old unchanged formula.
323    o pkg/exf, pkg/ecco, pkg/ctrl:
324      - add ctrlUseGen and .NOT.ctrlUseGen exclusive brackets
325      - activate gentim2d for xx_atemp,xx_aqh,xx_swdown,xx_lwdown,xx_precip
326      - implement gentim2d for xx_tauu, xx_tauv
327    o pkg/ctrl, pkg/ecco :
328      - fix and complement the generic controls implementation
329    o pkg/exf/exf_getclim.F, exf_getffields.F, exf_getsurfacefluxes.F,
330        pkg/shelfice/shelfice_thermodynamics.F,
331        verification/hs94.1x64x5/code_ad/ctrl_map_gentim2d.F,
332        verification/hs94.1x64x5/code_oad/ctrl_map_gentim2d.F :
333      - add weight in CTRL_GET_GEN calls
334    o pkg/ctrl :
335      - ctrl_get_gen.F : add weight as input parameter, and apply
336        it directly rather than using smooth_correl2Dw (to be retired).
337      - ctrl_map_gentim2d.F : add wgentim2d in CTRL_GET_GEN call
338    o pkg/ctrl :
339      - introduce run time switch ctrlUseGen (in ctrl.h, ctrl_check.F,
340        ctrl_init_variables.F, ctrl_readparms.F, ctrl_summary.F)
341      - re-activate ctrl_summary (call in ctrl_init.F)
342    o pkg/ctrl/ctrl_cost_gen.F :
343      - fix CCP brackets, remove un-necessary myiter, mytime
344    o pkg/ecco, pkg/ctrl :
345      - remove cost_genctrl.F (now pkg/ctrl/ctrl_cost_driver.F)
346      - remove cost_forcing_gen.F (now pkg/ctrl/ctrl_cost_gen2d.F)
347      - add ctrl_cost_driver.F (replaces pkg/ecco/cost_genctrl.F)
348      - add ctrl_cost_gen2d.F (replaces pkg/ecco/cost_forcing_gen.F)
349    
350    checkpoint65d (2014/09/15)
351    o pkg/ctrl/CTRL_GENARR.h, ctrl_readparms.F :
352      - add xx_genarr2d_bounds,xx_genarr3d_bounds,
353        xx_genarr2d_numsmooth, xx_genarr3d_numsmooth
354    o pkg/ctrl/ctrl_map_ini_genarr.F :
355      - remove compilation failure
356      - replace hard coded example
357      - use ctrl_map_ini_gen2D, 3D
358    o pkg/ctrl/ctrl_pack.F, ctrl_unpack.F :
359      - on/off switch based upon xx_genarr2d_weight,3d
360    o src/packages_init_variables.F :
361      - regroup pkg/estimation calls
362      - remove CTRL_MAP_INI, CTRL_MAP_INI_ECCO
363        (moved to ctrl_init_variables)
364    o cost/cost_init_varia.F :
365      - remove ecco_cost_init_varia
366        (moved to ecco_init_varia)
367    o ctrl/ctrl_init_variables.F :
368      - add CTRL_MAP_INI, CTRL_MAP_INI_ECCO
369      - add CTRL_MAP_INI_GENARR, SEAICE_CTRL_MAP_INI
370    o ctrl/ctrl_map_ini.F :
371      - remove ctrl_map_ini_genarr, seaice_ctrl_map_ini
372        (moved to ctrl_init_variables)
373    o ctrl/ctrl_map_ini_ecco.F :
374      - remove ECCO_PHYS (mv to ecco_init_varia)
375      - remove seaice_ctrl_map_ini (mv to ctrl_init_variables)
376    o ecco/ecco_ad_diff.list :
377      - add ecco_init_varia.f
378    o ecco/ecco_init_varia.F
379      - new routine
380    o pkg/streamice:
381      - move call to STREAMICE_INITIALIZE_PETSC from the_model_main.F
382        to streamice_init_fixed.F ; fix setting of STREAMICEisOn.
383      - from model/src, only call pkg/streamice routines if useStreamIce is TRUE.
384    o pkg/generic_advdiff:
385      - fix bug causing negatives in GAD_SMOLARKIEWICZ_HACK, introduced 8/8/2014.
386    o pkg/exf:
387      - exf_getffields.F : add xxg_atemp, xxg_aqh, xxg_swdown, xxg_lwdown,
388         xxg_precip capability
389      - exf_wind.F : no need for ALLOW_WSPEED_CONTROL cpp switch
390    o pkg/ctrl:
391      - ctrl_pack.F, ctrl_unpack.F : omit (un)packing of undefined xx_gentim2d
392    o model/src/load_fields_driver.F :
393      - move call to CTRL_MAP_GENTIM2D ahead of BULKF_FIELDS_LOAD, EXF_GETFORCING
394        so xx_gentim2d can be applied to e.g. exf fields in a timely manner.
395    o OpenAD verification experiments:
396      - Include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h, and CTRL_OPTIONS.h
397        in src files (to enable to skip the ECCO_CPPOPTIONS.h);
398        for now, only in pkgs used in OpenAD verification experiments.
399      - Change all except one (halfpipe_streamice) OpenAD experiments to use pkg
400        specific option file (AUTODIFF_OPTIONS.h, COST_OPTIONS.h & CTRL_OPTIONS.h)
401        instead of using ECCO_CPPOPTIONS.h (with all relevant options in it).
402        This applies to both TAF (*/code_ad/) and OpenAD (*/code_oad/) tests.
403    o OpenAD verification tests:
404      - finish removing ALLOW_AUTODIFF_OPENAD (replaced by ALLOW_OPENAD);
405      - finish replacing ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for
406        tape/storage which are specific to TAF/TAMC) in pkgs used in OpenAD exp.
407      - leave ALLOW_AUTODIFF_TAMC undef in OpenAD verification tests (*/code_oad/)
408        and remove local copy of "tamc.h" (needed only if ALLOW_AUTODIFF_TAMC).
409    o model/src & generic_advdiff:
410      - change hard-coded loop-range in S/R APPLY_FORCING_T/S to set T & S
411        forcing over 0:sNx+1, 0:sNy=1 (instead of just 1:sNx,1:sNy): Model
412        dynamics requires valid tracer forcing only over tile interior but, for
413        some diagnostics, may need to extend it over 1 point in tile halo region.
414      - in gad_calc_rhs.F, update calls to gmredi_x/ytransport to get valid
415        tendency over i,j_Min,Max range. This allows to simplfy i,j_Min,Max
416        setting in temp/salt/ptracer_integrate.F
417    o pkg/dic:
418      - multiply tracer tendencies by maskInC (if ussing OBCS) before updating
419        gchem tracers: this allows to skip the 2nd call to OBCS_APPLY_PTRACER
420        in gchem_forcing_sep.F
421    o pkg/autodiff & obcs:
422      - add storage of current OB values for U & V (was already done for T & S).
423    
424    checkpoint65c (2014/08/30)
425    o pkg/dic:
426      - take out of dic_atmos.F the initialisation part (corresponding to istate=0)
427        and move it to new S/R DIC_INI_ATMOS ; also simplify the dependencies for
428        AD compilers (but still a Pb with multi-threading and Ajoint dependencies).
429    o verification:
430      - new experiment testing OBCS and DIC pkgs, using params & output from
431        tutorial_global_oce_biogeo but limited to a sub-domain around Drake
432        passage: take OBCS from the last year of a 2 yrs simulation and initial
433        conditions from t=1.yr while keeping the same forcing.
434    o model/src:
435      - when allowFreezing=T, only reset below freezing initial Temp to Tfreezing
436        (at any k) if checkIniTemp is not set to FALSE (default checkIniTemp=T).
437    o pkg/diagnostics (Stats-Diags):
438      - re-write S/R DIAGSTATS_CALC (more similar to TARGET_NEC_SX part) to:
439        a) refine region where stats are computed, excluding where arrhFac=0 ;
440        b) fix missing interior mask (use with OBCS) in 3-D fields statistics;
441        c) extend regional stats over the region edges (for U or V pt location).
442    o pkg/gchem:
443      - add a (2nd) call to OBCS_APPLY_PTRACER in gchem_forcing_sep.F (needed since
444        pkg/dic is currently changing/updating ptracers values beyond the OB).
445    o verification (hs94):
446      - convert Held & Suarez external_forcing.F (from hs94.cs, with Sigma-coords
447        bits) to apply_forcing.F and undef USE_OLD_EXTERNAL_FORCING in experiments
448        hs94.cs-32x32x5 and tutorial_held_suarez_cs ; also use the same version of
449        apply_forcing.F in 2D hs94 (fwd, ad & oad) but keep LatLon hs94 unchanged.
450    o pkg/ptracers:
451      - implement Adams-Bashforth on pTracers (instead of on tracer tendency),
452        switched on by setting PTRACERS_doAB_onGpTr=F (default set to doAB_onGtGs)
453      - change exp4 secondary test (input.nlfs) to test AB on T & S & pTracer
454        with AB-2 code (so that it get tested).
455    o model/src:
456      - allow to apply Adams-Bashforth on Temp & Salt (instead of on gT,gS)
457        with AB-2 code (previously only available with AB-3 code).
458        Also move the code (call to ADAMS_BASHFORTH S/R) form thermodynamics.F
459        to temp/salt_integrate.F (since the 2nd part of gt/sNm1 update is done
460        there, by calling CYCLE_AB_TRACER).
461    o pkg/generic_advdiff:
462      - change Tracer argument (drop bi,bj indices) in S/R GAD_CALC_RHS,
463        GAD_C2_ADV_R, GAD_U3_ADV_R, GAD_C4_ADV_R, GAD_DIFF_R, GAD_BIHARM_R
464        + also in GMREDI_X/Y/RTRANSPORT ; and update corresponding calls in
465        S/R temp/salt/ptracers_integrate.F
466    o model/src & pkg/ptracers:
467      - remove common block variables gT,gS (in DYNVARS.h), except when
468         USE_OLD_EXTERNAL_FORCING is defined; update TAF storage accordingly.
469      - remove common block variable gPtr.
470    o model/src & pkgs:
471      - change gTracer (and/or tracer) argument (drop bi,bj indices) in S/R
472         ADAMS_BASHFORTH(2&3), CYCLE_(AB_)TRACER, FREESURF_RESCALE_G,
473         IMPLDIFF, SOLVE_TRIDIAGONAL & _PENTADIAGONAL, GAD_SOM_ADVECT,
474         GAD_ADVECTION, GAD_CALC_RHS, GAD_IMPLICIT_R, TIMEAVE_CUMUL_DIF_1T
475      + change accordingly all calling S/R.
476      - use local temperature/salinity/ptracer tendency array (without bi,bj)
477        in S/R temp/salt/ptracers_integrate.F
478    o pkg/seaice:
479      - move computation of stress contributions to rhsU/V in s/r seaice_lsr
480        to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
481      - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
482        in seaice_lsr
483      - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
484        in s/r seaice_lsr_calc_coeffs
485    o pkg/mdsio:
486      - in MDS_READ/WRITE_FIELD, stop if file-name (+prefix) is too long
487        (e.g., > MAX_LEN_MBUF -90 ) or, in INI_MODEL_IO, if mdsioLocalDir is
488        too long (e.g., > MAX_LEN_FNAM/2 )
489    
490    checkpoint65b (2014/08/12)
491    o pkg/matrix:
492      - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
493    o model/src:
494      - fix initialisation of geothermalFile; compile geothermal-flux code in
495        natl_box verification experiment.
496    o model/src & pkg/down_slope:
497      - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
498      - in dwnslp_apply.F, update tracer tendency instead of the future tracer
499        field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
500        results at machine truncation level: update output of experiments
501        global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
502    o pkg/diagnostics (Stats-Diags):
503      - do not cumulate the full volume when DIAGNOSTICS_FILL is
504        called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
505        This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
506        times (but Min,Max and StD are still wrong).
507    o model/src:
508      - add geothermal flux forcing: read in ini_forcing.F as time-constant
509        field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
510    o model/src:
511      - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
512        _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
513        arrays are already updated while adjustments (filters, conv.adjustment) are
514        still applied later, in S/R TRACERS_CORRECTION_STEP.
515    o model/src:
516      - store in common bloc array "rhoInSitu" the virtual potential temperature
517        anomaly that is used to compute geopotential: this make the atmos code
518        more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
519    o pkg/seaice/seaice_lsr.F
520      - rename integer variable ilcall to ipass (that's what it is called
521        in the residual diagnostics
522      - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
523        default) for improved non-linear convergence of the first few steps
524      - adjust a few comments and add new ones to explain some of the store
525        directives
526    o pkg/generic_advdiff (& ptracers):
527      - re-work the code to check for valid advection scheme and for minimum
528        size of overlap (now stored in local common bloc in gad_advscheme.F)
529    o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
530      - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
531      - add an auxilliary variable "bet" and fix store directives and keys in
532        seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
533        less exact gradients in my tests); but there are still
534        recomputation warning (although gradients are sort of OK), when
535        SEAICE_LSR_VECTORIZE is not defined, so this flag and
536        SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
537      - update verification experiments lab_sea.
538      - change some comments in S/R seaice_calc_viscosities
539    o model/src:
540      - if staggerTimeStep=T, always apply exchange to velocity field in
541        do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
542        (independent of using multi-dim advection or not); no effect on FWD run
543        but affects AD results (at machine truncation level): update output of
544        experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
545        and isomip (oad: 12.d).
546    o pkg/generic_advdiff:
547      - stop if doAB_onGtGs is set to FALSE but ignored
548      - refine warning related to stability of tracer time-stepping
549        regarding internal wave dynamics.
550      - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
551        on staggerTimeStep & implicitIntGravWave (will now get a warning
552        if potentially unstable).
553    o pkg/kl10:
554      - add new pkg "kl10" for mixing due to internal wave breaking, from
555        http://www.sciencedirect.com/science/article/pii/S1463500310000144
556        (contribution from Jody Klymak), tested in verification experiment
557        verification/internal_wave/input.kl10/
558    o isomip experiment:
559      - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
560        (input.htd) and update the output.
561    o cd_code experiments:
562      - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
563        #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
564        global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
565        update the corresponding output.
566    o pkg/seaice:
567      - reduce the number of include files and store directives in
568        S/R seaice_lsr_tridiagu/v
569      - change the order of loops in one case in S/R seaice_lsr_tridiagv
570        (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
571        get rid off one store directive (a TAF bug?)
572      - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
573        S/R seaice_lsr_tridiagv to change the loop range for consistency
574      - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
575      - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
576        S/R seaice_lsr_tridiagu/v (requires update of
577        offline_exf_seaice/input.dyn_jfnk)
578    
579    checkpoint65a (2014/07/27)
580    o model/src:
581      - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
582        surrounding hFacC=1 @ edge of a step with different kSurfC on either side
583        (topo in p-coords, ice-shelf in z-coords); update output of experiments
584        tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
585    o model/src:
586      - collect momentum forcing tendency into local 2-D array (passed as argument
587        to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
588        parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
589        affects results at machine truncation level (e.g., if using OBCS_SPONGE).
590      - collect T & S forcing tendency into local 2-D array (passed as argument to
591        apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
592        affects results at machine truncation level (e.g., ocean: if using
593        SHORTWAVE_HEATING ; atmos: if using FrictionHeating or (atm_Rq<>0) moist
594        correction due to vertical advection).
595      - update output of experiments: fizhi-cs-32x32x40 (13 digits),
596        global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
597        seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
598        obcs_ctrl (ad & fwd grd @ 12 & 7).
599    o pkg/ptracers & diagnostics:
600      - use ptracers (short) name (instead of long one) to make ptracers diagnostics
601        title (to avoid some unexpected truncation); sort out ptracers diags units.
602      - collect ptracer forcing tendency into local 2-D array (passed as argument
603        to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
604    
605    checkpoint65 (2014/07/18)
606    o pkg/fizhi:
607      - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
608        affects results at machine truncation level. Update output of experiments
609        fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
610    o pkg/seaice: more clean up
611      - rename TAF common block tapes to be more consistent and remove
612        unnecessary duplicates
613      - add store directives to remove more recomputations, but use smaller
614        tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
615        The idea behind this flag is to reduce the memory footprint when the
616        adjoint of the LSR is not required. As of now, defining the flag
617        SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
618        a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
619        For experiment offline_exf_seaice, this means on a linux box with gfortran
620        nearly a factor of 10 (but keep in mind there is mostly seaice code in
621        this experiment):
622        > size mitgcmuv_ad
623        text    data        bss     dec        hex
624        5100659 1216  220458952  225560827  d71c8fb
625        5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
626        but only a moderate increase of 36% for global_ocean.cs32x15:
627        text    data        bss     dec        hex
628        6695027 1648 1014578664 1021275339 3cdf6ccb
629        6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
630      - note: there are still recomputations in global_ocean.cs32x15 and
631        offline_exf_seaice and the gradient agreement changes (gets a
632        little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
633      - in general, the AD gradients still are wrong
634    o OpenAD
635      - clean up code_oad/ directories somewhat by moving files
636        dontCompile, dontTransform, keepOriginal to OAD_support/
637    o model/src:
638      - using MOM fluxform and Non-Lin Free-Surf with momDissip_In_AB=F
639        (not currently tested): add dissipation terms before NLFS rescaling of
640        tendencies (previously done after).
641    o pkg/diagnostics:
642      - write stats-diags in ascii file with more digits (same as in monitor).
643    o pkg/down_slope:
644      - drop the bi,bj dimension of argument recip_hFac in S/R DWNSLP_APPLY; with
645        NLFS (not tested), use new recip_hFac value in order to conserve tracer.
646    o model/src:
647      - new file "apply_forcing.F" containing all the code previously in
648        external_forcing.F, but with new argument list: pass, as new argument,
649        the current level tendency array to update (instead of a direct update
650        of the common bloc array). Change the corresponding calls.
651      - add CPP option USE_OLD_EXTERNAL_FORCING (default is undef) to use
652        EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility).
653    o pkg/seaice/seaice_lsr, a little bit of clean up
654      - rearrange some code blocks, so that now all calculations for
655        setting up the right-hand-sides done within one single block
656        (I find that easier to read and understand)
657      - rearrange freedrift-code to reduce the number of ifdefs
658      - adjust some indentations and comments
659    
660    checkpoint64z (2014/07/10)
661    o model/src and several pkgs:
662      - change argument list of all S/R called from external_forcing.F and
663        called from ptracers_forcing.F (renamed to ptracers_apply_forcing.F)
664        to pass, as argument, the current level tendency array to update
665        (instead of a direct update of the common bloc array).
666      - change also (in the same way) argument list of PTRACERS_APPLY_FORCING;
667      - rename taueddy_external_forcing.f to taueddy_tendency_apply.F
668    o pkg/seaice/seaice_lsr.F
669      - always initialize local arrays in seaice_lsr_tridiagu/v
670      - add more local tapes to seaice_lsr_tridiagu/v
671      - move storing u/vice(:,:,bi,bj) out of seaice_lsr_tridiagu/v, but
672        keep it in bi/bj loop; this seems to be essential
673      - gradients are still wrong but only by 4-7 orders of magnitude
674        instead of 15 orders of magnitude, lab_sea improves a little
675    o pkg/seaice
676      - (pkg/autodiff) remove storing/restoring of seaiceMaskU/V that
677        generates unnecessary code in seaice_lsr_ad
678      - add more store directives in seaice_lsr to avoid unnecessary code
679        in seaice_lsr_ad
680      - exclude some residual computations in seaice_lsr when
681        ALLOW_AUTODIFF_TAMC is defined in order to avoid unnecessary code
682        in seaice_lsr_ad
683      - add more storing, a new tape (model/src/the_main_loop.F) and
684        another key for SEAICE_LSR_VECTORIZE_ZEBRA (the local keys ilockey
685        and klockey should be checked by a specialist)
686      - modify ( define SEAICE_VECTORIZE_LSR and SEAICE_LSR_ADJOINT_ITER )
687        and update lab_sea after previous changes in pkg/seaice below
688    o pkg/autodiff:
689      - introduce useSmoothCorrel2DinAdMode, SEAICEapproxLevInAd, and
690        viscFacInAd : run time parameters allowing for adjoint switches
691        note : logic for useSmoothCorrel2DinAdMode is in ctrl_readparms.F
692    o pkg/ecco:
693      - introduce cost_gencost_boxmean.F that computes a box mean
694        temperature (for use in adjoint sensitivity studies).
695    o model/src/set_defaults.F : initialize viscFacAdj to 1.
696    o pkg/mom_common/mom_calc_visc.F:
697      - ifdef ALLOW_AUTODIFF then include viscFacAdj factor.
698    o pkg/seaice/seaice_summary.F:
699      - statement for SEAICEadjMODE now in autodiff_readparms.F
700    o pkg/seaice:
701      - remove some store directives and add new ones in an effort to get
702        finally rid off the recomputation warnings. This is successful
703        when SEAICE_VECTORIZE_LSR ***and*** SEAICE_LSR_ADJOINT_ITER are
704        defined (i.e. no extensive recomputation warnings left), but there
705        are still too many recomputations on the solver iteration level
706      - define SEAICE_VECTORISZE_LSR in offline_exf_seaice/code_ad/SEAICE_OPTIONS.h
707      - move definition of MPSEUDOTIMESTEPS into TAMC-block in
708        SEAICE_SIZE.h
709      - add a store directive in S/R seaice_calc_viscosities
710    o pkg/seaice (ITD code):
711      - fix definition of Hlimit for multi-threaded case
712      - use double precision arithmetic to compute Hlimit: this affects results;
713        update output of experiment seaice_itd.
714    o replace content of verification/seaice_itd
715      - instead of a 1D column use the configuration of offline_exf_seaice
716        to test the ice thickness distribution code with ridging
717      - this is a first shot at this experiment
718      - change of some defaults of ridging parameters SEAICEhStar (from
719        100 to 25) and SEAICEmuRidging (from 5 to 3) in seaice_readparms.F
720        and lot of new comments.
721    
722    checkpoint64y (2014/06/20)
723    o pkg/seaice/seaice_reg_ridge.F:
724      - modify the regularization of very small volumes of ice; only check
725        total volume HEFF, and do not apply correction to individual ice
726        classes because that leads to funny patterns in the heat and fw-fluxes
727        into the ocean. Adjust seaice_itd/results/output.txt
728      - replace nITD by SEAICE_multDim in loop-ranges
729    o pkg/exf:
730      - add code to process the case field period = -12. with UV interpolation.
731      - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
732        into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
733    o verification/global_with_exf:
734      - switch all fields period to -12. (was previously untested) in input/data.exf
735        (but keep secondary test ".yearly" unchanged); update the reference output.
736    o pkg/cal:
737      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
738    o pkg/exf:
739      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
740        to replace logical switch "exf_verbose"
741      - report in STDOUT when loading a new record (if exf_debugLev >= 3)
742    o pkg/sbo:
743      - update from Katherine Quinn: evaluate mass directly from density and SSH
744        (budget using Finite Volume method) instead of from bottom pressure.
745      - allow testreport to collect few selected SBO output ; tested in exp.
746        global_ocean.90x40x15 (after updating the results, to include SBO output).
747      - fix some multi-threading issues (in output part).
748    o model/src & most packages:
749      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
750      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
751        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
752        "data.{pkg}" exist ; and leave the S/R (return) just after.
753      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
754        + call LAND_READPARMS from packages_readparms.F
755    o pkg/seaice:
756      - remove code that resets useThSice in S/R seaice_readparms and
757        replace it by a warning in S/R seaice_check
758      - remove parameter MULTDIM, replace with nITD and runtime
759        parameter SEAICE_multDim (still hard-wired to nITD if
760        SEAICE_ITD is defined)
761    
762    checkpoint64x (2014/05/24)
763    o verification/lab_sea:
764      - update adjoint and TLM output following changes to pkg/salt_plume
765      - un-do the update after putting back local recip_Cp in few places.
766    o pkg/salt_plume: modifications by An Nguyen:
767      - add capability to do brine rejection (salt-plume) as function of
768        volume+tracers (instead of only salinity tracer).
769      - conserve volume by exchanging volume from each kLev to above to
770        accommodate in-coming brine volume
771      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
772      - switch KPP surf buoyancy due to brine forcing to 3-d
773        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
774      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
775      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
776        in East/West Arctic.
777    o pkg/sbo:
778      - incorporate modifications from Katherine Quinn to enable the use of sbo
779        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
780        output for future testreport verification (unfinished).
781    o pkg/atm_phys:
782      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
783        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
784        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
785    o pkg/seaice
786      seaice_calc_ice_strength.F: modify expression to avoid divisions
787        (affects truncation)
788      seaice_do_ridging.F: clean up the insectarium
789      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
790      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
791      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
792      - add some debugging information and error messages (warnings)
793    o model/src: modifications relatd to atmosphere p*:
794      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
795      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
796        of vertical profile tRef in geopotential background and anomaly.
797      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
798        and pkg/atm_phys.
799      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
800        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
801    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
802    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
803        not used right now, but can be used in BGC packages to fix conservation.
804    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
805        other packages too.
806    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
807        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
808    o model/src:
809      - since we have several heat capacity (even in model/src), define "recip_Cp"
810        as local variable (no longer in common block) to avoid any confusion.
811      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
812    o pkg/exf:
813      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
814        air density as function of air Temp, Humidity and atm pressure.
815    
816    checkpoint64w (2014/05/02)
817    o verification:
818      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
819        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
820        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
821        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
822        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
823    o model/src: for atmosphere in p* coords:
824      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
825      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
826        but not yet activated.
827    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
828      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
829      - this changes the results (but not for any verification experiment, because
830        none tests this), but avoids having an extra field in the restart files
831    o pkg/seaice: remove global variable TICE (not needed)
832      - replace by TICES or local variable where necessary (cost_seaice_test,
833        seaice_diagnostics_state)
834      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
835      - use specific read/write routines for reading and writing individual leves
836        of a multilevel field
837    o pkg/ctrl & model/inc:
838      - move additional anomaly fields of control vars (related to options:
839         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
840        from DYNVARS.h into new header file: CTRL_FIELDS.h
841    o pkg/seaice: some small modifications to the ridging code
842      - make fw2ObyRidge a global variable and add the freshwater flux to
843        seaice_growth
844      - pass actual thickness from seaice_prepare_ridging, so that it is
845        computed only in one place and compute it in the same way as in
846        seaice_growth
847      - initialise more fields in seaice_do_ridging that where cause floating
848        point exceptions over land
849    o pkg/seaice: preparations for ridging code and first real ridging code
850      - move most of "PART 1" of S/R seaice_growth into a new and separate
851        S/R seaice_reg_ridge that will both regularize the state variable after
852        advection call the actual ridging routine;
853      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
854        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
855      - remove ridging code from seaice_advdiff
856      - clean up remaining part 1 of seaice_growth in an attempt to make it
857        more readable (this is probably subjective)
858      - call seaice_itd_redist once in the initialisation phase to have the initial
859        conditions in the correct category
860      - finally: add new ridging routine for ITD code
861    
862    checkpoint64v (2014/04/11)
863    o pkg/ecco:
864      - add runtime parameters mdt[start,end]date[1,2]
865      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
866    o pkg/seaice:
867      - make deltaC a global variable, so that it can be used in ridging code
868      - first step towards ridging: introduce new routines that compute
869        ice strength based on ridging parameters
870      - add diagnostic for HSNOWITD
871      - add opnWtrFrac as a global variable (required for ridging scheme)
872    o pkg/salt_plume + pkg/seaice/seaice_growth.F
873      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
874        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
875    o verification/hs94.1x64x5:
876      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
877      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
878    o autodiff:
879      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
880        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
881        For now, only in pkgs used in verification/hs94.1x64x5.
882      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
883        which are specific to TAF/TAMC).
884      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
885        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
886        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
887      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
888        building mitgcmuv_ad (make adAll).
889    o pkg/ecco:
890      - cost_gencost_seaicev4.F:
891         reformulate proxy cost as function of sst and local param SEAICE_freeze
892         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
893      - add stop statement if old names siv4-[sst,vol] are used
894      - add snapshots + cost reports for atmospheric longwave
895      - remove factor 0.1 in front of wtau[u,v]
896      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
897         ALLOW_TMI_SST_COST_CONTRIBUTION
898    o pkg/atm_phys:
899      - add some diagnostics for Short-wave and for convection S/R.
900    o pkg/seaice/seaice_growth:
901      - fix a bug in the lateral melt parameterization for SEAICE_ITD
902        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
903      - rearrange loop order for better vector code in the same code block
904      - rewrite the floeDiameter formula to have fewer divisions
905      -  (miraculously) none of this changes the results of seaice_itd
906    o pkg/smooth:
907      - move param smooth2Ddiffnbt to pkg/ecco
908    o pkg/salt_plume:
909      - salt_plume_frac.F:
910         clean up local param names
911         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
912    o pkg/rw:
913      - add RS version of S/R READ_MFLDS_LEV.
914    o pkg/streamice:
915      - fix the restart test by writing/reading pickup_streamice files.
916    o pkg/seaice:
917      - refine checks for jfnk-related parameters
918      - comment out if statement with SEAICEuseIMEX parameter as long as there
919        is no IMEX code to avoid confusion and surprises
920    
921    checkpoint64u (2014/03/07)
922    o verification/MLAdjust:
923      - rename secondary test suffix:
924         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
925         0.leithD -> AhFlxF  + switch to flux-form
926         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
927         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
928    o pkg/mom_vecinv:
929      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
930        to be before mom_calc_visc.F)
931      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
932      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
933        this is simpler for the adjoint and for diagnostics.
934    o model/src + pkg/momentum:
935      - add input files for  2-D additional Western and Southern cell-edge wall
936         (e.g., to add "thin-wall" where it is =1).
937      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
938        using 2nd hFacZ that is computed from initial (fix domain) hFac
939      - known limitations of thin wall implementation: not yet coded for sigma
940        coords; not working with CD-scheme neither.
941    o pkg/seaice:
942      - rename recently introduced parameters from (wrong name) AB to
943        BDF (backward difference time discretisation)
944      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
945    o tools/adjoint_options:
946      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
947    
948    checkpoint64t (2014/02/01)
949    o pkg/ecco
950      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
951        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
952      - replace hard-coded record number and period which only work for monthly
953        with read-in runtime param that works for other periods (month,day,year)
954    o pkg/thsice
955      - corrected store directive fixes thsice adjoint gradient checks
956    o genmake2 & testreport:
957      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
958        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
959        Update testreport accordingly. No need to set "export OPENAD=true"
960        in adjoint_options/adjoint_oad anymore (will be removed later).
961    o pkg/shelfice:
962      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
963        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
964        so that surface forcing applies to k=kSurf if using pkg/shelfice.
965    o pkg/ctrl, pkg/grdchk, pkg/ecco:
966      - Changes to make GENARR more modular (i.e. invisible if not used)
967    o model/src/temp_integrate.F and salt_integrate.F
968      - re-include store directives that were removed on Dec 27th.
969    o model/src/external_forcing_surf.F
970      - add storage directives for EmPmR and PmEpR to avoid recomputation of
971        seaice_model in the adjoint that is problematic when seaice_model is
972        turned off in the adjoint. The resolved issue dated back to July when
973        EXTERNAL_FORCING_SURF call was moved.
974        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
975    o pkg/exf/exf_check.F
976      - fix a small bug again (originally found by Wentao Liu, now found again)
977      - streamline error output
978    o pkg/streamice and aim_v23:
979      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
980        Apple's /usr/bin/cpp knows what to do:
981        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
982        Target: x86_64-apple-darwin13.0.0
983    
984    checkpoint64s (2014/01/05)
985    o tools/adjoint_options:
986      - switch to fastopt.net TAF server (instead of default fastopt.de) for
987        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
988    o model/src:
989      - remove some unnecessary TAF storage directives in forward_step.F and
990        in dynamics.F (note: not always removed by TAF, e.g., double storage
991        of kappaRU,kappaRV in former version of dynamics.F).
992    o model/src & pkg/ptracers:
993      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
994        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
995        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
996      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
997      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
998      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
999    o useSingleCpuInput separates single-CPU input from single-CPU output;
1000        for now only implemented for in exf_interp_read.F
1001    o verification/advect_xy:
1002      - fix missing EXCH call in local version of ini_salt.F and update output.
1003    o momentum diagnostics:
1004      - fix which deltaT is used in Total-Tendency diagnostics.
1005      - fix typo in diagnostics for momentum tendency from AB.
1006    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
1007        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
1008    
1009    checkpoint64r (2013/12/08)
1010    o verification/*/results:
1011      - Update reference output of experiments that were passing with just 13 digits
1012         (make it easier to detect future changes in results)
1013    o model/src & pkg/ptracers:
1014      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
1015        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
1016        to inside ptracers_integrate.F ; remove ptracers_advection.F
1017    o coupling interface pkgs:
1018        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
1019      - change the config check to test the agreement of Ocean Depth
1020        with ATM land/sea mask (instead of ATM orography);
1021      - send to coupler the number of coupler time-steps to do for this run:
1022        this allows to check for consistency and don't need anymore to be
1023        specified in parameter file "data";
1024      in coupler:
1025      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
1026      - improve report to log-file of config setting (pass log-file unit to few S/R)
1027    o pkg/compon_communic:
1028      - add coupling send/receive for non-tiled integer vector;
1029      - add S/R to check and stop if any proc has an error (similar to
1030        eesupp/src/stop_if_error.F but single thread and across Comm_World).
1031    o pkg/exch2:
1032      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
1033        through list of all tiles my proc owns.
1034    o model/src:
1035      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
1036        from rTrans) to simplify dependencies (no need to store rTrans anymore in
1037        calling S/R); this affects AD results at machine truncation level:
1038        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
1039        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
1040    o tools/build_options:
1041      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
1042    o coupling interface pkgs:
1043        [compon_communic, atm_compon_interf & ocn_compon_interf]
1044      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
1045        to each S/R that needs it; remove un-used variables.
1046      - change component tile registration (cpl_register.F in both compon_interf
1047        and mitcomponent_tile_register.F) to pass the full list of tiles
1048        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
1049      - with pkg/exch2: adopt the same convention used for I/O to define mapping
1050        towards coupler global array (unless W2_useE2ioLayOut=F):
1051         a) can now use different tiling between atm & ocn comp.
1052         b) no needs to modify the run-Off map when changing tiling (was needed
1053            even if using the same tiling between atm & ocn).
1054         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
1055            full land tiles); not yet tested.
1056      - check for valid mapping from comp. tile to coupler global array
1057      - improve report of tile registration results to log file.
1058    o pkg/exch2:
1059      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
1060        tile-registration (CPL_REGISTER);
1061      - activate (un-comment) definition and setting of "W2_tileIndex" list to
1062        store the local bi,bj indices of each tile;
1063      - also print bi,bj in local report to log file;
1064      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
1065        Jun 2009 modif of pkg/exch2).
1066    o testing on baudelaire:
1067      - run 2 tests at a time: no significant slow down (since enough cpu) and
1068        get the full set of test done earlier
1069      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
1070    o model/src/thermodynamics.F and routines called from it:
1071      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
1072        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
1073        velocity (outp) by adding bolus velocity.
1074      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
1075        mass transport from velocity + lateral grid cell area
1076      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
1077      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
1078     in thermodynamics.F
1079      - remove k from thermodynamics.F and move it to temp_integrate.F
1080        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
1081        loop).
1082      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
1083        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
1084        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
1085        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
1086      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
1087        global_ocean.90x40x15, tutorial_global_oce_biogeo and
1088        tutorial_tracer_adjsens (+ TLM output).
1089    o tools/OAD_support and (verification/*/) code_oad:
1090      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
1091        module conversion ; remove unneeded CPP_EEOPTIONS.h.
1092      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
1093        version (closer to model/inc/CPP_OPTIONS.h).
1094    o model/src:
1095      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
1096        retired list of parameters (routine FREEZE has been replace by surface
1097        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
1098    o pkg/gmredi:
1099      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
1100        velocity (same scheme but affects machine truncation) for GM_AdvForm.
1101      - update output of FWD experiments: front_relax.bvp,
1102        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
1103    
1104    checkpoint64q (2013/11/17)
1105    o verification:
1106      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
1107        tutorial_global_oce_biogeo and global_ocean.90x40x15.
1108      - generate new output (growth & melt) for seaice_itd experiment after
1109        updating the input pickup_seaice files (previously wrong).
1110    o pkg/cost:
1111      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
1112        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
1113        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
1114          cannot be applied to var in common block).
1115        o allows to get results independent of tile-per-proc setting (if using
1116          slower GLOBAL_SUM_SEND_RECV option).
1117      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
1118        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
1119        forward gradients: update output).
1120      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
1121        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
1122    o pkg/mom_common:
1123      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
1124        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
1125        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
1126        ensure that all field value that are used are set.
1127    o tutorial_deep_convection (smag3d):
1128      - add missing scaling in mom_calc_smag_3d.F;
1129      - set smag3D_coeff in input.smag3d such that results do not change.
1130    o pkg/dic:
1131      - change dic_cost.F to compute cost on each tile first and then apply
1132        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
1133        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
1134      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
1135    o eesupp/src & pkg/mdsio:
1136      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
1137        (from pkg/mdsio) since they are no longer used for tape IO.
1138      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
1139        (+ keep a copy in pkg/atm_ocn_coupler).
1140    o verification/isomip:
1141      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
1142    o tools/build_options:
1143      - optfile linux_amd64_ifort11, fast (no ieee) case:
1144        to get a working restart for all experiments, add "-fp-model source"
1145        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
1146    
1147    checkpoint64p (2013/10/20)
1148    o pkg/autodiff:
1149      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
1150        criteria, return to simple (default) tape IO format.
1151    o pkg/mdsio (+ eesupp/src):
1152      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
1153        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
1154      - fix globalFile and singleCpuIO options using simpler global mapping.
1155      - new pairs of scatter/gather vector S/R (one for each type, generated from
1156        template) corresponding to simpler global mapping.
1157      - adread_write.F: switch to new S/R (but leave old calls commented) and write
1158        to globalFile when parameter globalFiles is set to True.
1159      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
1160    o pkg/autodiff:
1161      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
1162        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
1163        missing, just add a STOP if array type do not match.
1164    o pkg/exf:
1165      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
1166         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
1167         and rename array obsSIce to exf_iceFraction.
1168    o tutorial_deep_convection:
1169      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
1170        for now all in this exp. code dir.
1171      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
1172        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
1173    o eesupp/src:
1174      - added SINGLE_DISK_IO option because reading of parameter files on
1175        very large number of processors did not work with existing set-up
1176    
1177    checkpoint64o (2013/09/25)
1178    o pkg/atm_phys & atm_compon_interf:
1179      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
1180    o tools/build_options:
1181      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
1182        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
1183        remove CPP setting (was identical to genmake2 default).
1184    o pkg/gmredi & model/src: Some updating and work done on the residual model.
1185      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
1186      - fixed up the calculation of the eddy stress and how it is added to the
1187        external forcing via taueddy_external_forcing.F
1188      - at the moment, it is very experimental and only works with the variable eddy
1189        diffusivity calculated in gmredi_k3d.F
1190    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
1191        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
1192    o testreport (& tools/do_tst_2+2):
1193      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
1194    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
1195      - remove CPP='cpp -traditional -P' (this is genmake2 default)
1196      - add switch (for big setups) to use 'medium' memory-model (but leave it
1197        commented out for now). Note: needed with FC 19 to compile big setups.
1198    o pkg/atm_compon_interf:
1199      - regroup per field origin (model & pkgs) the coupling storage routines
1200         (which accumalate in time each coupling field)
1201      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
1202        update accordingly + simplify aim_do_physics.F
1203    
1204    checkpoint64n (2013/08/26)
1205    o pkg/bbl:
1206      - update formulation to reduce dispersion of tracer properties in bbl
1207      - replaced horizontal and vertical transport parameters with velocities
1208      - changes results for verification/global_with_exf.yearly
1209    o verification/halfpipe_streamice:
1210      - change to matrix construction; update both Fwd & AD output.
1211    o verification/tutorial_tracer_adjsens:
1212      - OpenAD test: switch to vector-invariant momentum since fluxform with
1213        rStar causes problems with OpenAD; update output.
1214    o tools:
1215      - genmake2: define a common prefix for all temp-file names ; move them
1216        to local /tmp disk (but would be easy to move them back);
1217      - xmakedepend: apply the same switch for temp-files.
1218    o pkg/offline:
1219      - changes for use with rStar (NLFS): assume that we continue to provide
1220        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
1221        output files) and apply r* scaling at each time-step (function of the time
1222        varying Eta field); use normal pickup files (needed for restart with NLFS).
1223    o adjoint with OpenAD:
1224      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
1225        package openad.  This package has to be compiled for all runs with OpenAD
1226        instead of specifying code_oad_all as a modification directory.
1227      - link the fortran templates from tools/OAD_support to the build directory
1228        for preprocessing to avoid conflicts between different setups compiled
1229        simultaneously and simplify cleanup.
1230    o pkg/exf:
1231      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
1232        main model or other pkgs are exchanged in EXF_MAPFIELDS).
1233    o model/src:
1234      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
1235        (similar to do_fields_blocking_exchanges.F).
1236    o tools/genmake2:
1237      - remove TAF output src code just before calling staf (when not doing a fresh
1238        built, will stop if things go wrong with staf).
1239      - fix target "adobj" (left from TAF version-2 transition)
1240    o pkg/diagnostics:
1241      - add a parameter to track the status of pkg/diagnostics activation;
1242        this replace/extend the use of logical param "settingDiags" (to check
1243        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
1244        New S/R to print error message and stop when pkgStatus is not right.
1245      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
1246    
1247    checkpoint64m (2013/08/13)
1248    o model/inc:
1249      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
1250        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
1251    o pkg/kpp & aim_v23:
1252      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
1253    o pkg/seaice:
1254      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
1255        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
1256      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
1257    o eesupp/src:
1258      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
1259        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
1260    o switch to TAF version-2:
1261      - add flow directives to "freeze" naming convention for ad-routines that
1262        are used in I/O routines of adjoint state and associated common blocks
1263        that are used in adcommon.h (backward compatible with version-1)
1264      - update all ad-optfiles (in tools/adjoint_options + few local to some
1265        verification exp) to switch to latest TAF version (currently 2.5.5);
1266        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
1267        out except for diva).
1268      - the major change with TAF version-2 is that both the differentiated
1269        routines and the forward routines (new) are returned as part of the TAF
1270        output source code. Update genmake2 accordingly.
1271      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
1272        with version-2 when compared to TLM or FWD gradient); other experiments
1273        output show minor changes (machine truncation level); update the few AD &
1274        TLM output with 12 matching digits only (some prior to version-2 switch).
1275    
1276    checkpoint64l (2013/08/05)
1277    o model/src:
1278      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
1279      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
1280        when using TAF but only if using OpenAD.
1281    o pkg/mom_common+fluxform+vecinv:
1282      - always set horiz. viscosity arrays to background value before calling
1283        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
1284        only when using variable horiz. viscosity (useVariableVisc=T);
1285      - simplify mom_vecinv.F (only 1 block for momViscosity).
1286    o pkg/mom_common: variable horiz. viscosity in NH code
1287      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
1288        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
1289      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
1290        useBiharmonicVisc & useVariableVisc.
1291      - fix old bug (already in 1rst implementation of variable horizontal viscosity
1292        in calc_gw.F, version 1.27, 2006/06/20):
1293        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
1294        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
1295      - change background horiz viscosity in vertical momentum (gW) to always be
1296        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
1297        any type of variable viscosity, e.g., viscAh/4Grid)
1298      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
1299        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
1300        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
1301        default viscAh,viscA4 is zero).
1302    o model/src:
1303      - extend length of drC & recip_drC from Nr to Nr+1.
1304  o Divided Adjoint (DIVA) with MPI:  o Divided Adjoint (DIVA) with MPI:
1305    - genmake2: do not create local ./mpi_headers dir when no file to copy into.    - genmake2: do not create local ./mpi_headers dir when no file to copy into.
1306    - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT    - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT

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