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revision 1.1889 by dimitri, Mon Jul 1 16:55:57 2013 UTC revision 1.2175 by jmc, Wed Jul 29 15:05:41 2015 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint65n (2015/07/29)
8    o pkg/thsice:
9      - add a warning when used with pkg/aim but without updating SST
10        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
11    o pkg/offline:
12      - change where Offline-Fields are loaded, from load_fields_driver.F to
13        directly within FORWARD_STEP, just after updating iter number and time;
14      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
15        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
16       These changes allow:
17        a) to recover exactly on-line results using deltaToffline=deltaTClock,
18        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
19        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
20        time-step, both with GM & KPP files and with recomputing these fields;
21        b) no needs to switch on staggerTimeStep anymore;
22        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
23      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
24    o pkg/offline:
25      - change (rarely used) offset-iteration parameter to an offset time (in s):
26        can easily recover previous offset-iter effect by setting offset-time
27        (offlineTimeOffset) to offset-iter x deltaToffline;
28      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
29        in KPP as part of surface buoyancy forcing) in offline run.
30      - fix ptracers KPP non-local term in the case where KPP is re-computed.
31    o OpenAD
32      - Adding preliminary ggl90 test to OpenAD verification.
33        Config. with ggl90 currently diverges after 64 time steps
34        so will need more work to become more stable
35      - Adding preliminary kpp test to OpenAD verification.
36        required small tweakes in kpp_routines.F
37      - Merge and update from Krishna Narayanan's contrib area:
38        * Add one variable for preliminary OpenAD DIVA
39        * Add replacement time-stepping for OpenAD DIVA
40        * genmake2 flag -diva (but only for OpenAD; preliminary)
41        * required modifs for OAD_support
42        successful preliminary test for tutorial_global_oce_biogeo/
43    o pkg/seaice:
44      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
45      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
46        delta with a smooth function in s/r seaice_calc_viscosity
47        (no effect on EVP)
48      - rename local suffix "sqr" into "sq" for more consistent variable names
49    o pkg/seaice:
50        add new parameter SEAICE_deltaMin that is used ***only***
51        for regularizing Delta (and nothing else, like the parameter
52        which is also used for all sorts of things SEAICE_EPS).
53        Defaults to SEAICE_EPS for backward compatibility only.
54    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
55        the wrong key by inialising it before use -> fixes a recomputation
56        problem but does not fix the gradient
57    o pkg/layers:
58      - move resetting of flux arrays to outside the iLa loop
59        (this caused layers_diapycnal to not work with more than one layer coord.)
60      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
61    o pkg/layers:
62      - remove from common block 3D layers fields (used to diagnose transport
63        in tracer coords) and declare them as local arrays in layers_calc.F
64    o pkg/seaice:
65      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
66        in lab_sea forward experiment (changes results -> updated)
67      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
68    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
69       computations; for SEAICE_VECTORIZE_LSR
70      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
71        sweep to the outside,
72      - remove store directives and add "CADJ loop sequential" directives
73        in analogy to model/src/solve_tridiagonal.F
74      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
75        boundaries to yield more readable code. This has also the charming side
76        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
77        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
78        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
79        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
80        an additional option)
81       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
82       but the adjoint gradients (which are affected by this change) still explode.
83    o coupler (atm & ocn _compon_interf):
84      - avoid using Exch2 IO mapping if not suitable.
85    
86    checkpoint65m (2015/06/15)
87    o pkg/layers:
88      - clean-up old parameters setting (from Sep 2012):
89        + remove old parameters setting from common block (declared locally);
90        + stop if any old parameter is mixed with new parameters;
91        + check for valid or consistent parameter setting (e.g., layers_name)
92      - check that layers_bounds for Pot.Density are in the right range;
93        this is supposed to catch un-updated setting after recently shifting
94        potential density field "prho" by -1000 (now in "sigma" scale).
95    o pkg/layers:
96      - Added missing call to layers_fill for keeping track of tottend in
97        pkg/diagnostics/diagnostics_fill_state.F
98    o pkg/layers:
99      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
100        of diapycnal fluxes
101    o pkg/layers:
102      - reverted changes to interpolation to previous treatment; there
103        was never actually a problem
104    o pkg/layers:
105      - fix interpolation of layers tracers in the presence of partial cells
106      - add lots of new functionality to compute water mass transformation
107        (enabled by CPP flag LAYERS_THERMODYNAMICS)
108      - add new calls from main code (diags_oceanic_surf_flux.F,
109        thermodynamics.F, impldiff.F) and gad to save the necessary fields
110        for layers_thermodynamics calculations
111    o pkg/ptracers:
112      - add capability of stepping a passive tracer forward without advection
113        by setting PTRACERS_advScheme to 0.
114    o pkg/diagnostics:
115      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
116    o pkg/layers:
117      - shift potential density field "prho" by -1000 for density layer averaging so
118        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
119        Note that density bin boundaries (layers_bounds in data.layers) have
120        to be set accordingly (i.e., shifted, in sigma scale).
121    o pkg/layers:
122      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
123      - fix calculation of layer non-weighted velocity and layer probability
124      - add diagnostics for pot.density used for layer averaging
125    o pkg/seaice:
126      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
127        positiveness, modify a few comments and improve variable names,
128      - the changed computation of deltaC affects most seaice-related
129        experiments at the truncation level.
130        seaice_itd.thermo is affected by far the most, with
131        only 7 digits of agreement remaining; update experiments.
132    
133    checkpoint65l (2015/05/04)
134    o pkg/shelfice:
135      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
136        factor drKp1 to zero where it is negative (ie. do not use
137        SHELFICEBoundaryLayer if hFacC>1)
138      - the same for factor drLoc in shelfice_forcing.F
139    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
140        with modules in ptracers, when using testreport option "-small_f"
141    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
142      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
143    o verification/testreport
144      - add new option -small_f
145        with this option testreport first makes the target small_f (*.f files)
146        before running make (all). This is useful for explicit inlining when
147        all sources need to be full available.
148    o pkg/exf/exf_interp.F:
149        remove previous changes related to reverse (decreasing) input grids latitude
150    
151    checkpoint65k (2015/04/01)
152    o pkg/ecco:
153        fix missing cosphi initialization; use eccoiter in place of optimcycle;
154        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
155        instead of active read/write
156    o pkg/ctrl:
157        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
158        instead of active read/write.
159    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
160        return if .NOT.useAUTODIFF
161    o pkg/seaice: add CPP brackets (cost function related).
162    o model/src:
163        add useAUTODIFF run time switch.
164    o pkg/exf/exf_interp.F:
165        add code to allow input grids with latitude starting in the north (i.e. when
166        j=1 corresponds to northern edge of field); modify global_with_exf to test
167        this feature.
168    o verification/testreport:
169      - replace "grep -A3" with POSIX conformal sed command, because there are
170        implementations of grep that cannot do contextual searches
171      - replace "cat -n" by "nl" (two occurrences), because not all implementations
172        of "cat" have the option "-n"
173    o model/src:
174        add new file gsw_teos10.F that contains 3 functions, more or less a copy
175        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
176        convert from conservative to potential temperature. For now they are not
177        called anywhere.
178    o pkg/ggl90: make "useIDEMIX" useful
179      - re-organize code in s/r ggl90_calc a little to move computations that
180        are different for idemix into separate loops (changes verification
181        experiment idemix at truncation level, 12 digits remain -> updated)
182      - requires 2 new 2D fields KappaM, verticalShear
183      - make hFacI and recip_hFacI local 3D variables that are passed to
184        s/r ggl90_idemix
185      - fix and improve some comments
186    
187    checkpoint65j (2015/02/25)
188    o pkg/openad
189      - synchronize seawater.F with version in model/src: replace routine
190        body of sw_temp by calling sw_ptmp and fix/add a few comments.
191    o pkg/mnc:
192      - change default value of pickup_read/write_mnc params to FALSE
193        (since few features are missing in reading MNC pickup files).
194    o model/src:
195      - change default (background) vertical diffusivity for salt to be the
196        temperature (background) vertical diffusivity.
197      - change background vertical diffusivity in vertical mixing pkgs ggl90,
198        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
199        This makes ptracers default diffusivity (that uses salt diffKr) more
200        consistent with vertical mixing schemes.
201    o verification/testreport:
202      - fix typo in "-pcls" option ;
203      - put temp files in /tmp (instead of in local dir)
204      - add option "-ncad" to use genmake2 new option "-nocat4ad"
205      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
206    o pkg/ggl90 (idemix code):
207      - apply few fixes ; add some missing "_d 0" ; update output of exp.
208        global_ocean.90x40x15.idemix
209    o OpenAD
210      - enable active file I/O and begin removal of work-around code
211        for OpenAD for handling control variables (memory vs. active files)
212      - new CPP options file OPENAD_OPTIONS.h
213      - revert to genarr2d gradient check for hs94.1x64x5
214      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
215      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
216    o tools/genmake2:
217      - add option for an alternative Makefile (from Martin) where multiple
218        source files are sent to TAF (instead of all in one file).
219    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
220      - code provided by Carsten Eden as an extension of ggl90
221      - so far the code is turned on within ggl90 by setting a CPP-flag at
222        compile time; a runtime flag implementation is not yet complete
223      - tested in new verification experiment global_ocean.90x40x15.idemix
224    o verification:
225      - reduce length of the AD test run by half for experiments
226        global_ocean.cs32x15 (std + thsice) and isomip
227      - enable active file I/O for OpenAD, adjust verifications accordingly
228      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
229    o verification/testreport:
230      - fix two non-POSIX sed statements so that there are no error messages
231        on Mac OS X
232      - replace hostname -s with hostname | sed 's/\..*$//'
233    o model/src/seawater.F:
234      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
235        (following the matlab code), which would have avoided the bug caught
236        by Matt (see below) in the first place
237    o pkg/shelfice:
238      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
239        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
240      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
241        ice-shelf case (i.e., within surface level).
242      - add config summary in shelfice_check.F
243      - remove global variable recip_SHELFICElatentHeat and replace by a local
244        variable recip_latentHeat
245      - introduce diagnostics for friction velocity uStar (in case of
246        SHELFICEuseGammaFrict)
247      - change verification experiment isomip.htd:
248        + start from pickup (as input_ad at nIter0=8640)
249        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
250        + test SHELFICEuseGammaFrict = .TRUE.
251        + test SHELFICEadvDiffHeatFlux = .TRUE.
252    o model/src:
253      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
254        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
255        update output of experiments global_with_exf.yearly and isomip (all 6).
256    o pkg/shelfice:
257      - change setting of kTopC to also be zero where there is no ice-shelf.
258      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
259        ice-shelf is.
260      - first attempt to get RealFreshWaterFlux effects: for now, only without
261        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
262    o pkg/seaice: add the option to prescribe a fixed thickness PDF
263      for thermodynamic calculations
264      - because of divisions of the type 7/7 not exactly equal to 1, this change
265        affects results of some verification experiments by up to 4 digits:
266        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
267        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
268        adjoint: lab_sea, lab_sea.noseaicedyn
269        -> updated
270    
271    checkpoint65i (2015/01/23)
272    o model/src:
273      - change units of frictionHeating field from W to W/m^2
274      - fix bug in frictional heating from stratospheric drag in
275        S/R ATM_PHYS_TENDENCY_APPLY_V
276      - with synchronous time-stepping: move resetting to zero of frictionHeating
277        field from load_fields_driver.F to thermodynamics.F ;
278      - add diagnostics for frictional heating.
279    o model/src & gmredi K3D:
280      - add frictionHeating field to pickup-files (for synchronous time-stepping)
281      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
282      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
283        and name in pickup file).
284      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
285    o model/src:
286      - move (from ini_forcing.F) initialisation of all arrays in header file
287        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
288        (since Nov 2012) with option selectAddFluid=1.
289    o pkg/shelfice:
290      - change units (+ document) of newly added field "shelfIceMassDynTendency"
291      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
292    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
293    o pkg/seaice: two new runtime parameters:
294      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
295        long overdue
296      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
297        parameterization of tensil stress for fast ice (does not do anything yet)
298    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
299        for LSR: move checking overlaps out of JFNK-if-block
300    o pkg/atm_phys:
301      - move copy of grid and dynamical fields out of atm_phys_driver.F into
302        new S/R ATM_PHYS_DYN2PHYS.
303      - fix level height for Linear Free-Surf case (to be consistent with
304        fixed-in-time pressure levels).
305    o pkg/mom_common (bottomdrag):
306      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
307        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
308        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
309    o pkg/shelfice (u/v_drag):
310      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
311      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
312        (now similar to shelfice_u_drag.F)
313      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
314        from mom_vecinv.F (similar to mom_fluxform calls).
315    o pkg/mom_common (bottomdrag):
316      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
317      - add options for alternative discretisation of velocity norm in quadratic
318        bottom drag: averaging of grid-cell-center KE to U.point and V.point
319        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
320        improves when averaging only the other component (e.g. vVel for U bottom
321        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
322      - add options (bottomVisc_pCell) to account for partial-cell in bottom
323        friction (no-slip BC) thus getting the true distance from the bottom;
324        off by default since this also reduces model stability (explicit bottom
325        friction). Changes produce different machine truncation with linear-drag
326        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
327        front_relax (bvp & mxl, 10 & 11 digits).
328    o model/src & mom pkgs:
329      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
330        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
331      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
332        just copy level Nr value to level Nr+1.
333    o doc:
334      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
335    o pkg/streamice:
336      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
337        SHELFICE.h: move array shelficemass to init_varia, initialise
338        from array shelficemassinit, which is set in init_fixed and
339        has option to be set from file; introduce array
340        shelficeMassDynTend array, set thru file in init_fixed
341      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
342        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
343        pkg/streamice
344      - shelfice_thermodynamics.F: call shelfice_step_icemass if
345        SHELFICEMassStepping = .true.
346      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
347    
348    checkpoint65h (2014/12/17)
349    o verification/global_ocean.90x40x15, global_ocean_ebm:
350      - update to generic controls.
351    o pkg/ctrl:
352      - ctrl_map_ini_genarr.F: test for igen>0
353      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
354      - move gentim2d part of ctrl_map_ini_genarr.F to
355        new separate routine : ctrl_map_ini_gentim2d.F
356      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
357        add time variable weights and cyclic controls (time mean,
358        seasonal cycle, etc) capabilities to gentim2d
359    o pkg/ecco:
360      - move reading of error, conversion to weights from
361        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
362    o global_oce_llc90, cs32:
363      - activte sbo.
364      - CTRL_SIZE.h : add maxCtrlProc.
365      - activate the new genctrl capabilities.
366      - update following reorganization of global_oce_input_fields.tar.gz  
367    o pkg/ctrl/ctrl_ad_diff.list:
368      - add missing ctrl_init_rec.f
369    o tools/OAD_support/keepOriginal:
370      - add ctrl_init_rec.F
371    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
372      - avoid recomputations of xx_gentim2d_dummy.
373    o momentum diagnostics:
374      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
375        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
376    o pkg/seaice/seaice_lsr.F:
377      - fix computation of BU/BV, make sure they are non-zero, only necessary
378        for cubed sphere exchanges and SEAICE_OLx/y>0.
379        This makes calling s/r fill_cs_corner_rl obsolete (removed).
380    o verification/global_ocean.cs32x15/input.seaice
381      - add test for strong implicit coupling and restricted addtive Schwarz
382        methods for LSR
383      - update results/output.seaice.txt
384    o verification/tutorial_global_oce_biogeo:
385      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
386        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
387        update output_adm,_oadm,_tlm.txt
388    o pkg/dic:
389      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
390      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
391        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
392    o verification/tutorial_global_oce_biogeo:
393      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
394        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
395        update output_adm,_oadm,_tlm.txt
396    o eesupp/src:
397      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
398        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
399    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
400      LSR (following Hutchings et al. 2004)
401      - introduce zetaZ as a global variable (requires adjustments in
402        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
403        in seaice_calc_viscosities.F
404      - new flag SEAICEuseStrImpCpl (default off)
405      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
406        momentum equations
407      - JFNK-solver (preconditioner) adjusted to allow using this method
408        (where it does not have any positive effect)
409    o pkg/seaice
410      - add overlap for restrictive additive Schwartz method also to LSR, but
411        turn it off by default (because it only seems to work for non-cubed
412        sphere/llc topologies)
413    o pkg/autodiff
414      - add extra exchanges in addummy_in_steppging also for mnc output
415    o pkg/seaice:
416      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
417        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
418    o pkg/obcs:
419      - add option to specify domain-connected piece Id along OB though files
420        (for now, only used to diagnose PhiVel; default =1 -> global correction)
421      - modify obcs_diag_balance.F to process each connected-part separately;
422        exclude OB where Id = 0 but keep the full divergence there (-> constant
423        Psi along this portion of OB and all inflow derived from grad(Phi))
424      - add example of OB-conect files in verification/so_box_biogeo/input.
425    o pkg/diagnostics:
426      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
427      a) use non zero matrix element across OB and solve for Phi 1 grid point
428         outside OB (i.e, where tracer OBCS are applied).
429      b) global imbalance of inFlow/outFlow across OB: instead of modifying
430         velocity across OB, spread it uniformly along the OB in the RHS.
431    
432    checkpoint65g (2014/11/19)
433    o pkg/diagnostcis:
434      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
435    o pkg/my82,pp81,kl10:
436      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
437        field diffKr as background diffusivity to set minimum diffusivity value.
438    o pkg/seaice:
439      - add new parameter SEAICEuseEVPrev (for revisited EVP by
440        Bouillon et al 2013)
441      - add SEAICE_evpAlpha/Beta to namelist
442      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
443        involve trivial re-ordering of divisions/multiplications that should not
444        have any effects, but ... they do change the results of lab_sea.hb87 so
445        that only 2 digits of agreement remain, in line with the general
446        instability/fragility of the evp-code. For now, I do not care and just
447        update the verification experiment
448    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
449      - remove xx_genarr2d_numsmooth etc
450      - use xx_genarr2d_preproc etc instead
451      - carry out smooth_correl2D at initialization stage rather than during
452        time stepping.
453      - get smoothOpNb from xx_gentim2d_preproc
454    o global_oce_cs32 :
455      - add test of generic ecco capabilities.
456    o pkg/exf/exf_getsurfacefluxes.F :
457      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
458    o pkg/ctrl,ecco :
459      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
460        is defined.
461    o pkg/seaice: add diagnostics for Delta (deformation parameter)
462    o model/src:
463      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
464        diffusivity (background) is specified but ignored.
465    o verification:
466      - in testreport, convert hostname to lower case for default output dir name
467    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
468    o pkg/dic: add modifications from Hajoon:
469      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
470      - light attenuation: add self-shading effect by climatological Chlorophyll
471        (read from file).
472    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
473        compiles when SEAICE_ALLOW_DYNAMICS is undefined
474    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
475        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
476        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
477        approach where CPP_OPTIONS.h includes an omnipotent
478        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
479    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
480        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
481    o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
482        to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
483        (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
484    o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
485      add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
486      - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
487      - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
488      - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
489    o pkg/ctrl,ecco,exf :
490      - remove variables associated with NON-generic costs,
491        unless ECCO_CTRL_DEPRECATED is defined.
492      - remove NON-generic NON-obcs controls,
493        unless ECCO_CTRL_DEPRECATED is defined.
494    o pkg/ctrl : added ctrl_local_params.h
495    o pkg/ecco : added ecco_local_params.h
496    o verification : added ECCO_CTRL_DEPRECATED to most as and oad
497        experiments, which will progressively be removed once the
498        experiments are revised to use only generic controls/costs.
499    
500    checkpoint65f (2014/10/13)
501    o pkg/ctrl, ecco, seaice : minor changes in headers
502    o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
503        cost function and control capabilities added since checkpoint65c.
504    o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
505    o pkg/ecco: increase modularity and improve logic
506      - ecco_toolbox.F (new) : basic operations that are often used,
507        including ecco_zero, ecco_cp, ecco_cprsrl, ecco_diffmsk,
508        ecco_addcost, ecco_add, ecco_div, ecco_readbar.
509      - cost_gencal.F (new) : determine filnames and records.
510      - cost_genread.F, cost_generic.F : condense code using ecco_toolbox.
511      - cost_generic.F : use spzeroloc rather than hard-coded -9999,
512        and exploit the above functions leading to more compact code.
513      - cost_genread.F : rm un-necessary arguments, re-arrange args order.
514      - ecco_check.F, ecco_readparms.F : bring logic up to date (using_tpj,
515        using_ers, using_gfo, using_mdt is now only defined within gencost)
516    o pkg/ecco: extend generic cost capabilities
517      - pkg/ecco : added 3D gencost (ALLOW_GENCOST3D), added gencost
518        capabilities via gencost_preproc (+ _c,_i,_r related params),
519        gencost_posproc (+ _c,_i,_r related params), gencost_nrecperiod,
520        gencost_outputlevel arguments to cost_generic
521      - pkg/ecco/cost_genread.F (new) : interface between cost_generic
522        and active_read, making room for gencost_preproc to take effect.
523        Added preproc code ('climmon') to replace GENERIC_BAR_MONTH.
524      - pkg/ecco/cost_generic.F :
525        compute and store misfit maks*(model-data) in localdif that is
526        then used in cost and for output, output misfit if outlev.GT.0
527      - pkg/ecco/cost_averagesfields.F : depend on gencost_barskip
528        rather gencost_barfile for deciding whether to write barfile
529      - pkg/ecco/ecco_cost_driver.F : extract call to cost_profiles from cost_hyd
530      - pkg/ecco/ecco_cost_init_fixed.F : extract gencost weights from
531        ecco_cost_weights, re-activate ecco_summary, determine gencost_barskip
532      - pkg/ecco/ecco_summary.F : report gencost variables
533      - pkg/ecco/cost_gencost_customize.F : treat case of scatterometer costs
534    o pkg/sea/SEAICE_OPTIONS.h : add ALLOW_COST_ICE, ALLOW_SEAICE_COST_SMR_AREA
535    o pkg/ecco: internal re-organization
536      - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl
537        (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,
538        mv relevant variables definition from ecco_cost.h to ecco.h,
539        make sure gencost routines only include ecco.h)
540      - throughout : add missing CCP switches, rm unused variables,
541        and rm un-necessary CPP switches
542      - throughout gencost routines : replace modelstartdate with
543        gencost_startdate when needed
544      - cost_bp_read.F : use arguments, instead of common blocs
545        so that it can be used also by (new) cost_gencost_bpv4.F
546      - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0
547      - ecco_phys.F : compute etanFull
548      - ecco_readparms.F : rename using_topex as using_tpj, add
549        bpv4-grace to gencost list, initialize added parameters
550      - ecco_summary.F : include SIZE.h needed for augmented ecco.h
551    
552    checkpoint65e (2014/09/28)
553    o pkg/obcs:
554      - replaced the just-added CPP options with run-time variables
555        (see pkg/obcs/OBCS_PARAMS.h for details)
556    o pkg/obcs:
557      - add additional CPP options for sponge boundary layers
558        (see pkg/obcs/OBCS_OPTIONS.h for details)
559    o pkg/atm_phys:
560      - implement simple (obliquity only, assuming circular planet orbit)
561        seasonal cycle for incoming insolation ; used when run-time parameter
562        "select_incSW" is set to 1 ; by default (=0), uses old unchanged formula.
563    o pkg/exf, pkg/ecco, pkg/ctrl:
564      - add ctrlUseGen and .NOT.ctrlUseGen exclusive brackets
565      - activate gentim2d for xx_atemp,xx_aqh,xx_swdown,xx_lwdown,xx_precip
566      - implement gentim2d for xx_tauu, xx_tauv
567    o pkg/ctrl, pkg/ecco :
568      - fix and complement the generic controls implementation
569    o pkg/exf/exf_getclim.F, exf_getffields.F, exf_getsurfacefluxes.F,
570        pkg/shelfice/shelfice_thermodynamics.F,
571        verification/hs94.1x64x5/code_ad/ctrl_map_gentim2d.F,
572        verification/hs94.1x64x5/code_oad/ctrl_map_gentim2d.F :
573      - add weight in CTRL_GET_GEN calls
574    o pkg/ctrl :
575      - ctrl_get_gen.F : add weight as input parameter, and apply
576        it directly rather than using smooth_correl2Dw (to be retired).
577      - ctrl_map_gentim2d.F : add wgentim2d in CTRL_GET_GEN call
578    o pkg/ctrl :
579      - introduce run time switch ctrlUseGen (in ctrl.h, ctrl_check.F,
580        ctrl_init_variables.F, ctrl_readparms.F, ctrl_summary.F)
581      - re-activate ctrl_summary (call in ctrl_init.F)
582    o pkg/ctrl/ctrl_cost_gen.F :
583      - fix CCP brackets, remove un-necessary myiter, mytime
584    o pkg/ecco, pkg/ctrl :
585      - remove cost_genctrl.F (now pkg/ctrl/ctrl_cost_driver.F)
586      - remove cost_forcing_gen.F (now pkg/ctrl/ctrl_cost_gen2d.F)
587      - add ctrl_cost_driver.F (replaces pkg/ecco/cost_genctrl.F)
588      - add ctrl_cost_gen2d.F (replaces pkg/ecco/cost_forcing_gen.F)
589    
590    checkpoint65d (2014/09/15)
591    o pkg/ctrl/CTRL_GENARR.h, ctrl_readparms.F :
592      - add xx_genarr2d_bounds,xx_genarr3d_bounds,
593        xx_genarr2d_numsmooth, xx_genarr3d_numsmooth
594    o pkg/ctrl/ctrl_map_ini_genarr.F :
595      - remove compilation failure
596      - replace hard coded example
597      - use ctrl_map_ini_gen2D, 3D
598    o pkg/ctrl/ctrl_pack.F, ctrl_unpack.F :
599      - on/off switch based upon xx_genarr2d_weight,3d
600    o src/packages_init_variables.F :
601      - regroup pkg/estimation calls
602      - remove CTRL_MAP_INI, CTRL_MAP_INI_ECCO
603        (moved to ctrl_init_variables)
604    o cost/cost_init_varia.F :
605      - remove ecco_cost_init_varia
606        (moved to ecco_init_varia)
607    o ctrl/ctrl_init_variables.F :
608      - add CTRL_MAP_INI, CTRL_MAP_INI_ECCO
609      - add CTRL_MAP_INI_GENARR, SEAICE_CTRL_MAP_INI
610    o ctrl/ctrl_map_ini.F :
611      - remove ctrl_map_ini_genarr, seaice_ctrl_map_ini
612        (moved to ctrl_init_variables)
613    o ctrl/ctrl_map_ini_ecco.F :
614      - remove ECCO_PHYS (mv to ecco_init_varia)
615      - remove seaice_ctrl_map_ini (mv to ctrl_init_variables)
616    o ecco/ecco_ad_diff.list :
617      - add ecco_init_varia.f
618    o ecco/ecco_init_varia.F
619      - new routine
620    o pkg/streamice:
621      - move call to STREAMICE_INITIALIZE_PETSC from the_model_main.F
622        to streamice_init_fixed.F ; fix setting of STREAMICEisOn.
623      - from model/src, only call pkg/streamice routines if useStreamIce is TRUE.
624    o pkg/generic_advdiff:
625      - fix bug causing negatives in GAD_SMOLARKIEWICZ_HACK, introduced 8/8/2014.
626    o pkg/exf:
627      - exf_getffields.F : add xxg_atemp, xxg_aqh, xxg_swdown, xxg_lwdown,
628         xxg_precip capability
629      - exf_wind.F : no need for ALLOW_WSPEED_CONTROL cpp switch
630    o pkg/ctrl:
631      - ctrl_pack.F, ctrl_unpack.F : omit (un)packing of undefined xx_gentim2d
632    o model/src/load_fields_driver.F :
633      - move call to CTRL_MAP_GENTIM2D ahead of BULKF_FIELDS_LOAD, EXF_GETFORCING
634        so xx_gentim2d can be applied to e.g. exf fields in a timely manner.
635    o OpenAD verification experiments:
636      - Include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h, and CTRL_OPTIONS.h
637        in src files (to enable to skip the ECCO_CPPOPTIONS.h);
638        for now, only in pkgs used in OpenAD verification experiments.
639      - Change all except one (halfpipe_streamice) OpenAD experiments to use pkg
640        specific option file (AUTODIFF_OPTIONS.h, COST_OPTIONS.h & CTRL_OPTIONS.h)
641        instead of using ECCO_CPPOPTIONS.h (with all relevant options in it).
642        This applies to both TAF (*/code_ad/) and OpenAD (*/code_oad/) tests.
643    o OpenAD verification tests:
644      - finish removing ALLOW_AUTODIFF_OPENAD (replaced by ALLOW_OPENAD);
645      - finish replacing ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for
646        tape/storage which are specific to TAF/TAMC) in pkgs used in OpenAD exp.
647      - leave ALLOW_AUTODIFF_TAMC undef in OpenAD verification tests (*/code_oad/)
648        and remove local copy of "tamc.h" (needed only if ALLOW_AUTODIFF_TAMC).
649    o model/src & generic_advdiff:
650      - change hard-coded loop-range in S/R APPLY_FORCING_T/S to set T & S
651        forcing over 0:sNx+1, 0:sNy=1 (instead of just 1:sNx,1:sNy): Model
652        dynamics requires valid tracer forcing only over tile interior but, for
653        some diagnostics, may need to extend it over 1 point in tile halo region.
654      - in gad_calc_rhs.F, update calls to gmredi_x/ytransport to get valid
655        tendency over i,j_Min,Max range. This allows to simplfy i,j_Min,Max
656        setting in temp/salt/ptracer_integrate.F
657    o pkg/dic:
658      - multiply tracer tendencies by maskInC (if ussing OBCS) before updating
659        gchem tracers: this allows to skip the 2nd call to OBCS_APPLY_PTRACER
660        in gchem_forcing_sep.F
661    o pkg/autodiff & obcs:
662      - add storage of current OB values for U & V (was already done for T & S).
663    
664    checkpoint65c (2014/08/30)
665    o pkg/dic:
666      - take out of dic_atmos.F the initialisation part (corresponding to istate=0)
667        and move it to new S/R DIC_INI_ATMOS ; also simplify the dependencies for
668        AD compilers (but still a Pb with multi-threading and Ajoint dependencies).
669    o verification:
670      - new experiment testing OBCS and DIC pkgs, using params & output from
671        tutorial_global_oce_biogeo but limited to a sub-domain around Drake
672        passage: take OBCS from the last year of a 2 yrs simulation and initial
673        conditions from t=1.yr while keeping the same forcing.
674    o model/src:
675      - when allowFreezing=T, only reset below freezing initial Temp to Tfreezing
676        (at any k) if checkIniTemp is not set to FALSE (default checkIniTemp=T).
677    o pkg/diagnostics (Stats-Diags):
678      - re-write S/R DIAGSTATS_CALC (more similar to TARGET_NEC_SX part) to:
679        a) refine region where stats are computed, excluding where arrhFac=0 ;
680        b) fix missing interior mask (use with OBCS) in 3-D fields statistics;
681        c) extend regional stats over the region edges (for U or V pt location).
682    o pkg/gchem:
683      - add a (2nd) call to OBCS_APPLY_PTRACER in gchem_forcing_sep.F (needed since
684        pkg/dic is currently changing/updating ptracers values beyond the OB).
685    o verification (hs94):
686      - convert Held & Suarez external_forcing.F (from hs94.cs, with Sigma-coords
687        bits) to apply_forcing.F and undef USE_OLD_EXTERNAL_FORCING in experiments
688        hs94.cs-32x32x5 and tutorial_held_suarez_cs ; also use the same version of
689        apply_forcing.F in 2D hs94 (fwd, ad & oad) but keep LatLon hs94 unchanged.
690    o pkg/ptracers:
691      - implement Adams-Bashforth on pTracers (instead of on tracer tendency),
692        switched on by setting PTRACERS_doAB_onGpTr=F (default set to doAB_onGtGs)
693      - change exp4 secondary test (input.nlfs) to test AB on T & S & pTracer
694        with AB-2 code (so that it get tested).
695    o model/src:
696      - allow to apply Adams-Bashforth on Temp & Salt (instead of on gT,gS)
697        with AB-2 code (previously only available with AB-3 code).
698        Also move the code (call to ADAMS_BASHFORTH S/R) form thermodynamics.F
699        to temp/salt_integrate.F (since the 2nd part of gt/sNm1 update is done
700        there, by calling CYCLE_AB_TRACER).
701    o pkg/generic_advdiff:
702      - change Tracer argument (drop bi,bj indices) in S/R GAD_CALC_RHS,
703        GAD_C2_ADV_R, GAD_U3_ADV_R, GAD_C4_ADV_R, GAD_DIFF_R, GAD_BIHARM_R
704        + also in GMREDI_X/Y/RTRANSPORT ; and update corresponding calls in
705        S/R temp/salt/ptracers_integrate.F
706    o model/src & pkg/ptracers:
707      - remove common block variables gT,gS (in DYNVARS.h), except when
708         USE_OLD_EXTERNAL_FORCING is defined; update TAF storage accordingly.
709      - remove common block variable gPtr.
710    o model/src & pkgs:
711      - change gTracer (and/or tracer) argument (drop bi,bj indices) in S/R
712         ADAMS_BASHFORTH(2&3), CYCLE_(AB_)TRACER, FREESURF_RESCALE_G,
713         IMPLDIFF, SOLVE_TRIDIAGONAL & _PENTADIAGONAL, GAD_SOM_ADVECT,
714         GAD_ADVECTION, GAD_CALC_RHS, GAD_IMPLICIT_R, TIMEAVE_CUMUL_DIF_1T
715      + change accordingly all calling S/R.
716      - use local temperature/salinity/ptracer tendency array (without bi,bj)
717        in S/R temp/salt/ptracers_integrate.F
718    o pkg/seaice:
719      - move computation of stress contributions to rhsU/V in s/r seaice_lsr
720        to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
721      - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
722        in seaice_lsr
723      - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
724        in s/r seaice_lsr_calc_coeffs
725    o pkg/mdsio:
726      - in MDS_READ/WRITE_FIELD, stop if file-name (+prefix) is too long
727        (e.g., > MAX_LEN_MBUF -90 ) or, in INI_MODEL_IO, if mdsioLocalDir is
728        too long (e.g., > MAX_LEN_FNAM/2 )
729    
730    checkpoint65b (2014/08/12)
731    o pkg/matrix:
732      - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
733    o model/src:
734      - fix initialisation of geothermalFile; compile geothermal-flux code in
735        natl_box verification experiment.
736    o model/src & pkg/down_slope:
737      - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
738      - in dwnslp_apply.F, update tracer tendency instead of the future tracer
739        field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
740        results at machine truncation level: update output of experiments
741        global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
742    o pkg/diagnostics (Stats-Diags):
743      - do not cumulate the full volume when DIAGNOSTICS_FILL is
744        called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
745        This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
746        times (but Min,Max and StD are still wrong).
747    o model/src:
748      - add geothermal flux forcing: read in ini_forcing.F as time-constant
749        field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
750    o model/src:
751      - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
752        _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
753        arrays are already updated while adjustments (filters, conv.adjustment) are
754        still applied later, in S/R TRACERS_CORRECTION_STEP.
755    o model/src:
756      - store in common bloc array "rhoInSitu" the virtual potential temperature
757        anomaly that is used to compute geopotential: this make the atmos code
758        more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
759    o pkg/seaice/seaice_lsr.F
760      - rename integer variable ilcall to ipass (that's what it is called
761        in the residual diagnostics
762      - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
763        default) for improved non-linear convergence of the first few steps
764      - adjust a few comments and add new ones to explain some of the store
765        directives
766    o pkg/generic_advdiff (& ptracers):
767      - re-work the code to check for valid advection scheme and for minimum
768        size of overlap (now stored in local common bloc in gad_advscheme.F)
769    o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
770      - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
771      - add an auxilliary variable "bet" and fix store directives and keys in
772        seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
773        less exact gradients in my tests); but there are still
774        recomputation warning (although gradients are sort of OK), when
775        SEAICE_LSR_VECTORIZE is not defined, so this flag and
776        SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
777      - update verification experiments lab_sea.
778      - change some comments in S/R seaice_calc_viscosities
779    o model/src:
780      - if staggerTimeStep=T, always apply exchange to velocity field in
781        do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
782        (independent of using multi-dim advection or not); no effect on FWD run
783        but affects AD results (at machine truncation level): update output of
784        experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
785        and isomip (oad: 12.d).
786    o pkg/generic_advdiff:
787      - stop if doAB_onGtGs is set to FALSE but ignored
788      - refine warning related to stability of tracer time-stepping
789        regarding internal wave dynamics.
790      - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
791        on staggerTimeStep & implicitIntGravWave (will now get a warning
792        if potentially unstable).
793    o pkg/kl10:
794      - add new pkg "kl10" for mixing due to internal wave breaking, from
795        http://www.sciencedirect.com/science/article/pii/S1463500310000144
796        (contribution from Jody Klymak), tested in verification experiment
797        verification/internal_wave/input.kl10/
798    o isomip experiment:
799      - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
800        (input.htd) and update the output.
801    o cd_code experiments:
802      - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
803        #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
804        global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
805        update the corresponding output.
806    o pkg/seaice:
807      - reduce the number of include files and store directives in
808        S/R seaice_lsr_tridiagu/v
809      - change the order of loops in one case in S/R seaice_lsr_tridiagv
810        (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
811        get rid off one store directive (a TAF bug?)
812      - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
813        S/R seaice_lsr_tridiagv to change the loop range for consistency
814      - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
815      - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
816        S/R seaice_lsr_tridiagu/v (requires update of
817        offline_exf_seaice/input.dyn_jfnk)
818    
819    checkpoint65a (2014/07/27)
820    o model/src:
821      - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
822        surrounding hFacC=1 @ edge of a step with different kSurfC on either side
823        (topo in p-coords, ice-shelf in z-coords); update output of experiments
824        tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
825    o model/src:
826      - collect momentum forcing tendency into local 2-D array (passed as argument
827        to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
828        parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
829        affects results at machine truncation level (e.g., if using OBCS_SPONGE).
830      - collect T & S forcing tendency into local 2-D array (passed as argument to
831        apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
832        affects results at machine truncation level (e.g., ocean: if using
833        SHORTWAVE_HEATING ; atmos: if using FrictionHeating or (atm_Rq<>0) moist
834        correction due to vertical advection).
835      - update output of experiments: fizhi-cs-32x32x40 (13 digits),
836        global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
837        seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
838        obcs_ctrl (ad & fwd grd @ 12 & 7).
839    o pkg/ptracers & diagnostics:
840      - use ptracers (short) name (instead of long one) to make ptracers diagnostics
841        title (to avoid some unexpected truncation); sort out ptracers diags units.
842      - collect ptracer forcing tendency into local 2-D array (passed as argument
843        to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
844    
845    checkpoint65 (2014/07/18)
846    o pkg/fizhi:
847      - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
848        affects results at machine truncation level. Update output of experiments
849        fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
850    o pkg/seaice: more clean up
851      - rename TAF common block tapes to be more consistent and remove
852        unnecessary duplicates
853      - add store directives to remove more recomputations, but use smaller
854        tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
855        The idea behind this flag is to reduce the memory footprint when the
856        adjoint of the LSR is not required. As of now, defining the flag
857        SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
858        a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
859        For experiment offline_exf_seaice, this means on a linux box with gfortran
860        nearly a factor of 10 (but keep in mind there is mostly seaice code in
861        this experiment):
862        > size mitgcmuv_ad
863        text    data        bss     dec        hex
864        5100659 1216  220458952  225560827  d71c8fb
865        5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
866        but only a moderate increase of 36% for global_ocean.cs32x15:
867        text    data        bss     dec        hex
868        6695027 1648 1014578664 1021275339 3cdf6ccb
869        6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
870      - note: there are still recomputations in global_ocean.cs32x15 and
871        offline_exf_seaice and the gradient agreement changes (gets a
872        little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
873      - in general, the AD gradients still are wrong
874    o OpenAD
875      - clean up code_oad/ directories somewhat by moving files
876        dontCompile, dontTransform, keepOriginal to OAD_support/
877    o model/src:
878      - using MOM fluxform and Non-Lin Free-Surf with momDissip_In_AB=F
879        (not currently tested): add dissipation terms before NLFS rescaling of
880        tendencies (previously done after).
881    o pkg/diagnostics:
882      - write stats-diags in ascii file with more digits (same as in monitor).
883    o pkg/down_slope:
884      - drop the bi,bj dimension of argument recip_hFac in S/R DWNSLP_APPLY; with
885        NLFS (not tested), use new recip_hFac value in order to conserve tracer.
886    o model/src:
887      - new file "apply_forcing.F" containing all the code previously in
888        external_forcing.F, but with new argument list: pass, as new argument,
889        the current level tendency array to update (instead of a direct update
890        of the common bloc array). Change the corresponding calls.
891      - add CPP option USE_OLD_EXTERNAL_FORCING (default is undef) to use
892        EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility).
893    o pkg/seaice/seaice_lsr, a little bit of clean up
894      - rearrange some code blocks, so that now all calculations for
895        setting up the right-hand-sides done within one single block
896        (I find that easier to read and understand)
897      - rearrange freedrift-code to reduce the number of ifdefs
898      - adjust some indentations and comments
899    
900    checkpoint64z (2014/07/10)
901    o model/src and several pkgs:
902      - change argument list of all S/R called from external_forcing.F and
903        called from ptracers_forcing.F (renamed to ptracers_apply_forcing.F)
904        to pass, as argument, the current level tendency array to update
905        (instead of a direct update of the common bloc array).
906      - change also (in the same way) argument list of PTRACERS_APPLY_FORCING;
907      - rename taueddy_external_forcing.f to taueddy_tendency_apply.F
908    o pkg/seaice/seaice_lsr.F
909      - always initialize local arrays in seaice_lsr_tridiagu/v
910      - add more local tapes to seaice_lsr_tridiagu/v
911      - move storing u/vice(:,:,bi,bj) out of seaice_lsr_tridiagu/v, but
912        keep it in bi/bj loop; this seems to be essential
913      - gradients are still wrong but only by 4-7 orders of magnitude
914        instead of 15 orders of magnitude, lab_sea improves a little
915    o pkg/seaice
916      - (pkg/autodiff) remove storing/restoring of seaiceMaskU/V that
917        generates unnecessary code in seaice_lsr_ad
918      - add more store directives in seaice_lsr to avoid unnecessary code
919        in seaice_lsr_ad
920      - exclude some residual computations in seaice_lsr when
921        ALLOW_AUTODIFF_TAMC is defined in order to avoid unnecessary code
922        in seaice_lsr_ad
923      - add more storing, a new tape (model/src/the_main_loop.F) and
924        another key for SEAICE_LSR_VECTORIZE_ZEBRA (the local keys ilockey
925        and klockey should be checked by a specialist)
926      - modify ( define SEAICE_VECTORIZE_LSR and SEAICE_LSR_ADJOINT_ITER )
927        and update lab_sea after previous changes in pkg/seaice below
928    o pkg/autodiff:
929      - introduce useSmoothCorrel2DinAdMode, SEAICEapproxLevInAd, and
930        viscFacInAd : run time parameters allowing for adjoint switches
931        note : logic for useSmoothCorrel2DinAdMode is in ctrl_readparms.F
932    o pkg/ecco:
933      - introduce cost_gencost_boxmean.F that computes a box mean
934        temperature (for use in adjoint sensitivity studies).
935    o model/src/set_defaults.F : initialize viscFacAdj to 1.
936    o pkg/mom_common/mom_calc_visc.F:
937      - ifdef ALLOW_AUTODIFF then include viscFacAdj factor.
938    o pkg/seaice/seaice_summary.F:
939      - statement for SEAICEadjMODE now in autodiff_readparms.F
940    o pkg/seaice:
941      - remove some store directives and add new ones in an effort to get
942        finally rid off the recomputation warnings. This is successful
943        when SEAICE_VECTORIZE_LSR ***and*** SEAICE_LSR_ADJOINT_ITER are
944        defined (i.e. no extensive recomputation warnings left), but there
945        are still too many recomputations on the solver iteration level
946      - define SEAICE_VECTORISZE_LSR in offline_exf_seaice/code_ad/SEAICE_OPTIONS.h
947      - move definition of MPSEUDOTIMESTEPS into TAMC-block in
948        SEAICE_SIZE.h
949      - add a store directive in S/R seaice_calc_viscosities
950    o pkg/seaice (ITD code):
951      - fix definition of Hlimit for multi-threaded case
952      - use double precision arithmetic to compute Hlimit: this affects results;
953        update output of experiment seaice_itd.
954    o replace content of verification/seaice_itd
955      - instead of a 1D column use the configuration of offline_exf_seaice
956        to test the ice thickness distribution code with ridging
957      - this is a first shot at this experiment
958      - change of some defaults of ridging parameters SEAICEhStar (from
959        100 to 25) and SEAICEmuRidging (from 5 to 3) in seaice_readparms.F
960        and lot of new comments.
961    
962    checkpoint64y (2014/06/20)
963    o pkg/seaice/seaice_reg_ridge.F:
964      - modify the regularization of very small volumes of ice; only check
965        total volume HEFF, and do not apply correction to individual ice
966        classes because that leads to funny patterns in the heat and fw-fluxes
967        into the ocean. Adjust seaice_itd/results/output.txt
968      - replace nITD by SEAICE_multDim in loop-ranges
969    o pkg/exf:
970      - add code to process the case field period = -12. with UV interpolation.
971      - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
972        into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
973    o verification/global_with_exf:
974      - switch all fields period to -12. (was previously untested) in input/data.exf
975        (but keep secondary test ".yearly" unchanged); update the reference output.
976    o pkg/cal:
977      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
978    o pkg/exf:
979      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
980        to replace logical switch "exf_verbose"
981      - report in STDOUT when loading a new record (if exf_debugLev >= 3)
982    o pkg/sbo:
983      - update from Katherine Quinn: evaluate mass directly from density and SSH
984        (budget using Finite Volume method) instead of from bottom pressure.
985      - allow testreport to collect few selected SBO output ; tested in exp.
986        global_ocean.90x40x15 (after updating the results, to include SBO output).
987      - fix some multi-threading issues (in output part).
988    o model/src & most packages:
989      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
990      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
991        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
992        "data.{pkg}" exist ; and leave the S/R (return) just after.
993      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
994        + call LAND_READPARMS from packages_readparms.F
995    o pkg/seaice:
996      - remove code that resets useThSice in S/R seaice_readparms and
997        replace it by a warning in S/R seaice_check
998      - remove parameter MULTDIM, replace with nITD and runtime
999        parameter SEAICE_multDim (still hard-wired to nITD if
1000        SEAICE_ITD is defined)
1001    
1002    checkpoint64x (2014/05/24)
1003    o verification/lab_sea:
1004      - update adjoint and TLM output following changes to pkg/salt_plume
1005      - un-do the update after putting back local recip_Cp in few places.
1006    o pkg/salt_plume: modifications by An Nguyen:
1007      - add capability to do brine rejection (salt-plume) as function of
1008        volume+tracers (instead of only salinity tracer).
1009      - conserve volume by exchanging volume from each kLev to above to
1010        accommodate in-coming brine volume
1011      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
1012      - switch KPP surf buoyancy due to brine forcing to 3-d
1013        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
1014      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
1015      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
1016        in East/West Arctic.
1017    o pkg/sbo:
1018      - incorporate modifications from Katherine Quinn to enable the use of sbo
1019        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
1020        output for future testreport verification (unfinished).
1021    o pkg/atm_phys:
1022      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
1023        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
1024        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
1025    o pkg/seaice
1026      seaice_calc_ice_strength.F: modify expression to avoid divisions
1027        (affects truncation)
1028      seaice_do_ridging.F: clean up the insectarium
1029      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
1030      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
1031      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
1032      - add some debugging information and error messages (warnings)
1033    o model/src: modifications relatd to atmosphere p*:
1034      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
1035      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
1036        of vertical profile tRef in geopotential background and anomaly.
1037      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
1038        and pkg/atm_phys.
1039      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
1040        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
1041    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
1042    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
1043        not used right now, but can be used in BGC packages to fix conservation.
1044    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
1045        other packages too.
1046    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
1047        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
1048    o model/src:
1049      - since we have several heat capacity (even in model/src), define "recip_Cp"
1050        as local variable (no longer in common block) to avoid any confusion.
1051      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
1052    o pkg/exf:
1053      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
1054        air density as function of air Temp, Humidity and atm pressure.
1055    
1056    checkpoint64w (2014/05/02)
1057    o verification:
1058      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
1059        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
1060        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
1061        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
1062        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
1063    o model/src: for atmosphere in p* coords:
1064      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
1065      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
1066        but not yet activated.
1067    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
1068      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
1069      - this changes the results (but not for any verification experiment, because
1070        none tests this), but avoids having an extra field in the restart files
1071    o pkg/seaice: remove global variable TICE (not needed)
1072      - replace by TICES or local variable where necessary (cost_seaice_test,
1073        seaice_diagnostics_state)
1074      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
1075      - use specific read/write routines for reading and writing individual leves
1076        of a multilevel field
1077    o pkg/ctrl & model/inc:
1078      - move additional anomaly fields of control vars (related to options:
1079         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
1080        from DYNVARS.h into new header file: CTRL_FIELDS.h
1081    o pkg/seaice: some small modifications to the ridging code
1082      - make fw2ObyRidge a global variable and add the freshwater flux to
1083        seaice_growth
1084      - pass actual thickness from seaice_prepare_ridging, so that it is
1085        computed only in one place and compute it in the same way as in
1086        seaice_growth
1087      - initialise more fields in seaice_do_ridging that where cause floating
1088        point exceptions over land
1089    o pkg/seaice: preparations for ridging code and first real ridging code
1090      - move most of "PART 1" of S/R seaice_growth into a new and separate
1091        S/R seaice_reg_ridge that will both regularize the state variable after
1092        advection call the actual ridging routine;
1093      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
1094        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
1095      - remove ridging code from seaice_advdiff
1096      - clean up remaining part 1 of seaice_growth in an attempt to make it
1097        more readable (this is probably subjective)
1098      - call seaice_itd_redist once in the initialisation phase to have the initial
1099        conditions in the correct category
1100      - finally: add new ridging routine for ITD code
1101    
1102    checkpoint64v (2014/04/11)
1103    o pkg/ecco:
1104      - add runtime parameters mdt[start,end]date[1,2]
1105      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
1106    o pkg/seaice:
1107      - make deltaC a global variable, so that it can be used in ridging code
1108      - first step towards ridging: introduce new routines that compute
1109        ice strength based on ridging parameters
1110      - add diagnostic for HSNOWITD
1111      - add opnWtrFrac as a global variable (required for ridging scheme)
1112    o pkg/salt_plume + pkg/seaice/seaice_growth.F
1113      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
1114        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
1115    o verification/hs94.1x64x5:
1116      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
1117      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
1118    o autodiff:
1119      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
1120        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
1121        For now, only in pkgs used in verification/hs94.1x64x5.
1122      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
1123        which are specific to TAF/TAMC).
1124      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
1125        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
1126        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
1127      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
1128        building mitgcmuv_ad (make adAll).
1129    o pkg/ecco:
1130      - cost_gencost_seaicev4.F:
1131         reformulate proxy cost as function of sst and local param SEAICE_freeze
1132         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
1133      - add stop statement if old names siv4-[sst,vol] are used
1134      - add snapshots + cost reports for atmospheric longwave
1135      - remove factor 0.1 in front of wtau[u,v]
1136      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
1137         ALLOW_TMI_SST_COST_CONTRIBUTION
1138    o pkg/atm_phys:
1139      - add some diagnostics for Short-wave and for convection S/R.
1140    o pkg/seaice/seaice_growth:
1141      - fix a bug in the lateral melt parameterization for SEAICE_ITD
1142        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
1143      - rearrange loop order for better vector code in the same code block
1144      - rewrite the floeDiameter formula to have fewer divisions
1145      -  (miraculously) none of this changes the results of seaice_itd
1146    o pkg/smooth:
1147      - move param smooth2Ddiffnbt to pkg/ecco
1148    o pkg/salt_plume:
1149      - salt_plume_frac.F:
1150         clean up local param names
1151         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
1152    o pkg/rw:
1153      - add RS version of S/R READ_MFLDS_LEV.
1154    o pkg/streamice:
1155      - fix the restart test by writing/reading pickup_streamice files.
1156    o pkg/seaice:
1157      - refine checks for jfnk-related parameters
1158      - comment out if statement with SEAICEuseIMEX parameter as long as there
1159        is no IMEX code to avoid confusion and surprises
1160    
1161    checkpoint64u (2014/03/07)
1162    o verification/MLAdjust:
1163      - rename secondary test suffix:
1164         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
1165         0.leithD -> AhFlxF  + switch to flux-form
1166         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
1167         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
1168    o pkg/mom_vecinv:
1169      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
1170        to be before mom_calc_visc.F)
1171      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
1172      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
1173        this is simpler for the adjoint and for diagnostics.
1174    o model/src + pkg/momentum:
1175      - add input files for  2-D additional Western and Southern cell-edge wall
1176         (e.g., to add "thin-wall" where it is =1).
1177      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
1178        using 2nd hFacZ that is computed from initial (fix domain) hFac
1179      - known limitations of thin wall implementation: not yet coded for sigma
1180        coords; not working with CD-scheme neither.
1181    o pkg/seaice:
1182      - rename recently introduced parameters from (wrong name) AB to
1183        BDF (backward difference time discretisation)
1184      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
1185    o tools/adjoint_options:
1186      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
1187    
1188    checkpoint64t (2014/02/01)
1189    o pkg/ecco
1190      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
1191        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
1192      - replace hard-coded record number and period which only work for monthly
1193        with read-in runtime param that works for other periods (month,day,year)
1194    o pkg/thsice
1195      - corrected store directive fixes thsice adjoint gradient checks
1196    o genmake2 & testreport:
1197      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
1198        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
1199        Update testreport accordingly. No need to set "export OPENAD=true"
1200        in adjoint_options/adjoint_oad anymore (will be removed later).
1201    o pkg/shelfice:
1202      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
1203        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
1204        so that surface forcing applies to k=kSurf if using pkg/shelfice.
1205    o pkg/ctrl, pkg/grdchk, pkg/ecco:
1206      - Changes to make GENARR more modular (i.e. invisible if not used)
1207    o model/src/temp_integrate.F and salt_integrate.F
1208      - re-include store directives that were removed on Dec 27th.
1209    o model/src/external_forcing_surf.F
1210      - add storage directives for EmPmR and PmEpR to avoid recomputation of
1211        seaice_model in the adjoint that is problematic when seaice_model is
1212        turned off in the adjoint. The resolved issue dated back to July when
1213        EXTERNAL_FORCING_SURF call was moved.
1214        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
1215    o pkg/exf/exf_check.F
1216      - fix a small bug again (originally found by Wentao Liu, now found again)
1217      - streamline error output
1218    o pkg/streamice and aim_v23:
1219      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
1220        Apple's /usr/bin/cpp knows what to do:
1221        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
1222        Target: x86_64-apple-darwin13.0.0
1223    
1224    checkpoint64s (2014/01/05)
1225    o tools/adjoint_options:
1226      - switch to fastopt.net TAF server (instead of default fastopt.de) for
1227        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
1228    o model/src:
1229      - remove some unnecessary TAF storage directives in forward_step.F and
1230        in dynamics.F (note: not always removed by TAF, e.g., double storage
1231        of kappaRU,kappaRV in former version of dynamics.F).
1232    o model/src & pkg/ptracers:
1233      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
1234        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
1235        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
1236      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
1237      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
1238      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
1239    o useSingleCpuInput separates single-CPU input from single-CPU output;
1240        for now only implemented for in exf_interp_read.F
1241    o verification/advect_xy:
1242      - fix missing EXCH call in local version of ini_salt.F and update output.
1243    o momentum diagnostics:
1244      - fix which deltaT is used in Total-Tendency diagnostics.
1245      - fix typo in diagnostics for momentum tendency from AB.
1246    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
1247        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
1248    
1249    checkpoint64r (2013/12/08)
1250    o verification/*/results:
1251      - Update reference output of experiments that were passing with just 13 digits
1252         (make it easier to detect future changes in results)
1253    o model/src & pkg/ptracers:
1254      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
1255        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
1256        to inside ptracers_integrate.F ; remove ptracers_advection.F
1257    o coupling interface pkgs:
1258        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
1259      - change the config check to test the agreement of Ocean Depth
1260        with ATM land/sea mask (instead of ATM orography);
1261      - send to coupler the number of coupler time-steps to do for this run:
1262        this allows to check for consistency and don't need anymore to be
1263        specified in parameter file "data";
1264      in coupler:
1265      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
1266      - improve report to log-file of config setting (pass log-file unit to few S/R)
1267    o pkg/compon_communic:
1268      - add coupling send/receive for non-tiled integer vector;
1269      - add S/R to check and stop if any proc has an error (similar to
1270        eesupp/src/stop_if_error.F but single thread and across Comm_World).
1271    o pkg/exch2:
1272      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
1273        through list of all tiles my proc owns.
1274    o model/src:
1275      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
1276        from rTrans) to simplify dependencies (no need to store rTrans anymore in
1277        calling S/R); this affects AD results at machine truncation level:
1278        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
1279        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
1280    o tools/build_options:
1281      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
1282    o coupling interface pkgs:
1283        [compon_communic, atm_compon_interf & ocn_compon_interf]
1284      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
1285        to each S/R that needs it; remove un-used variables.
1286      - change component tile registration (cpl_register.F in both compon_interf
1287        and mitcomponent_tile_register.F) to pass the full list of tiles
1288        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
1289      - with pkg/exch2: adopt the same convention used for I/O to define mapping
1290        towards coupler global array (unless W2_useE2ioLayOut=F):
1291         a) can now use different tiling between atm & ocn comp.
1292         b) no needs to modify the run-Off map when changing tiling (was needed
1293            even if using the same tiling between atm & ocn).
1294         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
1295            full land tiles); not yet tested.
1296      - check for valid mapping from comp. tile to coupler global array
1297      - improve report of tile registration results to log file.
1298    o pkg/exch2:
1299      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
1300        tile-registration (CPL_REGISTER);
1301      - activate (un-comment) definition and setting of "W2_tileIndex" list to
1302        store the local bi,bj indices of each tile;
1303      - also print bi,bj in local report to log file;
1304      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
1305        Jun 2009 modif of pkg/exch2).
1306    o testing on baudelaire:
1307      - run 2 tests at a time: no significant slow down (since enough cpu) and
1308        get the full set of test done earlier
1309      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
1310    o model/src/thermodynamics.F and routines called from it:
1311      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
1312        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
1313        velocity (outp) by adding bolus velocity.
1314      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
1315        mass transport from velocity + lateral grid cell area
1316      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
1317      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
1318     in thermodynamics.F
1319      - remove k from thermodynamics.F and move it to temp_integrate.F
1320        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
1321        loop).
1322      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
1323        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
1324        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
1325        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
1326      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
1327        global_ocean.90x40x15, tutorial_global_oce_biogeo and
1328        tutorial_tracer_adjsens (+ TLM output).
1329    o tools/OAD_support and (verification/*/) code_oad:
1330      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
1331        module conversion ; remove unneeded CPP_EEOPTIONS.h.
1332      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
1333        version (closer to model/inc/CPP_OPTIONS.h).
1334    o model/src:
1335      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
1336        retired list of parameters (routine FREEZE has been replace by surface
1337        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
1338    o pkg/gmredi:
1339      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
1340        velocity (same scheme but affects machine truncation) for GM_AdvForm.
1341      - update output of FWD experiments: front_relax.bvp,
1342        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
1343    
1344    checkpoint64q (2013/11/17)
1345    o verification:
1346      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
1347        tutorial_global_oce_biogeo and global_ocean.90x40x15.
1348      - generate new output (growth & melt) for seaice_itd experiment after
1349        updating the input pickup_seaice files (previously wrong).
1350    o pkg/cost:
1351      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
1352        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
1353        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
1354          cannot be applied to var in common block).
1355        o allows to get results independent of tile-per-proc setting (if using
1356          slower GLOBAL_SUM_SEND_RECV option).
1357      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
1358        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
1359        forward gradients: update output).
1360      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
1361        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
1362    o pkg/mom_common:
1363      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
1364        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
1365        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
1366        ensure that all field value that are used are set.
1367    o tutorial_deep_convection (smag3d):
1368      - add missing scaling in mom_calc_smag_3d.F;
1369      - set smag3D_coeff in input.smag3d such that results do not change.
1370    o pkg/dic:
1371      - change dic_cost.F to compute cost on each tile first and then apply
1372        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
1373        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
1374      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
1375    o eesupp/src & pkg/mdsio:
1376      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
1377        (from pkg/mdsio) since they are no longer used for tape IO.
1378      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
1379        (+ keep a copy in pkg/atm_ocn_coupler).
1380    o verification/isomip:
1381      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
1382    o tools/build_options:
1383      - optfile linux_amd64_ifort11, fast (no ieee) case:
1384        to get a working restart for all experiments, add "-fp-model source"
1385        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
1386    
1387    checkpoint64p (2013/10/20)
1388    o pkg/autodiff:
1389      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
1390        criteria, return to simple (default) tape IO format.
1391    o pkg/mdsio (+ eesupp/src):
1392      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
1393        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
1394      - fix globalFile and singleCpuIO options using simpler global mapping.
1395      - new pairs of scatter/gather vector S/R (one for each type, generated from
1396        template) corresponding to simpler global mapping.
1397      - adread_write.F: switch to new S/R (but leave old calls commented) and write
1398        to globalFile when parameter globalFiles is set to True.
1399      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
1400    o pkg/autodiff:
1401      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
1402        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
1403        missing, just add a STOP if array type do not match.
1404    o pkg/exf:
1405      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
1406         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
1407         and rename array obsSIce to exf_iceFraction.
1408    o tutorial_deep_convection:
1409      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
1410        for now all in this exp. code dir.
1411      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
1412        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
1413    o eesupp/src:
1414      - added SINGLE_DISK_IO option because reading of parameter files on
1415        very large number of processors did not work with existing set-up
1416    
1417    checkpoint64o (2013/09/25)
1418    o pkg/atm_phys & atm_compon_interf:
1419      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
1420    o tools/build_options:
1421      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
1422        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
1423        remove CPP setting (was identical to genmake2 default).
1424    o pkg/gmredi & model/src: Some updating and work done on the residual model.
1425      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
1426      - fixed up the calculation of the eddy stress and how it is added to the
1427        external forcing via taueddy_external_forcing.F
1428      - at the moment, it is very experimental and only works with the variable eddy
1429        diffusivity calculated in gmredi_k3d.F
1430    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
1431        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
1432    o testreport (& tools/do_tst_2+2):
1433      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
1434    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
1435      - remove CPP='cpp -traditional -P' (this is genmake2 default)
1436      - add switch (for big setups) to use 'medium' memory-model (but leave it
1437        commented out for now). Note: needed with FC 19 to compile big setups.
1438    o pkg/atm_compon_interf:
1439      - regroup per field origin (model & pkgs) the coupling storage routines
1440         (which accumalate in time each coupling field)
1441      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
1442        update accordingly + simplify aim_do_physics.F
1443    
1444    checkpoint64n (2013/08/26)
1445    o pkg/bbl:
1446      - update formulation to reduce dispersion of tracer properties in bbl
1447      - replaced horizontal and vertical transport parameters with velocities
1448      - changes results for verification/global_with_exf.yearly
1449    o verification/halfpipe_streamice:
1450      - change to matrix construction; update both Fwd & AD output.
1451    o verification/tutorial_tracer_adjsens:
1452      - OpenAD test: switch to vector-invariant momentum since fluxform with
1453        rStar causes problems with OpenAD; update output.
1454    o tools:
1455      - genmake2: define a common prefix for all temp-file names ; move them
1456        to local /tmp disk (but would be easy to move them back);
1457      - xmakedepend: apply the same switch for temp-files.
1458    o pkg/offline:
1459      - changes for use with rStar (NLFS): assume that we continue to provide
1460        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
1461        output files) and apply r* scaling at each time-step (function of the time
1462        varying Eta field); use normal pickup files (needed for restart with NLFS).
1463    o adjoint with OpenAD:
1464      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
1465        package openad.  This package has to be compiled for all runs with OpenAD
1466        instead of specifying code_oad_all as a modification directory.
1467      - link the fortran templates from tools/OAD_support to the build directory
1468        for preprocessing to avoid conflicts between different setups compiled
1469        simultaneously and simplify cleanup.
1470    o pkg/exf:
1471      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
1472        main model or other pkgs are exchanged in EXF_MAPFIELDS).
1473    o model/src:
1474      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
1475        (similar to do_fields_blocking_exchanges.F).
1476    o tools/genmake2:
1477      - remove TAF output src code just before calling staf (when not doing a fresh
1478        built, will stop if things go wrong with staf).
1479      - fix target "adobj" (left from TAF version-2 transition)
1480    o pkg/diagnostics:
1481      - add a parameter to track the status of pkg/diagnostics activation;
1482        this replace/extend the use of logical param "settingDiags" (to check
1483        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
1484        New S/R to print error message and stop when pkgStatus is not right.
1485      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
1486    
1487    checkpoint64m (2013/08/13)
1488    o model/inc:
1489      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
1490        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
1491    o pkg/kpp & aim_v23:
1492      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
1493    o pkg/seaice:
1494      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
1495        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
1496      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
1497    o eesupp/src:
1498      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
1499        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
1500    o switch to TAF version-2:
1501      - add flow directives to "freeze" naming convention for ad-routines that
1502        are used in I/O routines of adjoint state and associated common blocks
1503        that are used in adcommon.h (backward compatible with version-1)
1504      - update all ad-optfiles (in tools/adjoint_options + few local to some
1505        verification exp) to switch to latest TAF version (currently 2.5.5);
1506        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
1507        out except for diva).
1508      - the major change with TAF version-2 is that both the differentiated
1509        routines and the forward routines (new) are returned as part of the TAF
1510        output source code. Update genmake2 accordingly.
1511      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
1512        with version-2 when compared to TLM or FWD gradient); other experiments
1513        output show minor changes (machine truncation level); update the few AD &
1514        TLM output with 12 matching digits only (some prior to version-2 switch).
1515    
1516    checkpoint64l (2013/08/05)
1517    o model/src:
1518      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
1519      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
1520        when using TAF but only if using OpenAD.
1521    o pkg/mom_common+fluxform+vecinv:
1522      - always set horiz. viscosity arrays to background value before calling
1523        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
1524        only when using variable horiz. viscosity (useVariableVisc=T);
1525      - simplify mom_vecinv.F (only 1 block for momViscosity).
1526    o pkg/mom_common: variable horiz. viscosity in NH code
1527      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
1528        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
1529      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
1530        useBiharmonicVisc & useVariableVisc.
1531      - fix old bug (already in 1rst implementation of variable horizontal viscosity
1532        in calc_gw.F, version 1.27, 2006/06/20):
1533        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
1534        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
1535      - change background horiz viscosity in vertical momentum (gW) to always be
1536        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
1537        any type of variable viscosity, e.g., viscAh/4Grid)
1538      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
1539        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
1540        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
1541        default viscAh,viscA4 is zero).
1542    o model/src:
1543      - extend length of drC & recip_drC from Nr to Nr+1.
1544    o Divided Adjoint (DIVA) with MPI:
1545      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
1546      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
1547        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
1548    
1549    checkpoint64k (2013/07/23)
1550    o tools/OAD_support:
1551      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
1552        and remove it from genmake2.
1553    o tools/build_options:
1554      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
1555        MPI_HEADER_FILES list (let genmake2 find the missing headers)
1556    o verification/halfpipe_streamice:
1557      - change to driving stress formulation; update both Fwd & AD output.
1558    o tools/genmake2 and Divided Adjoint with MPI:
1559      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
1560      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
1561      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
1562        Makefile, which is set by genmake2, and check which mpi-headers are needed.
1563        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
1564      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
1565    o testreport:
1566      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
1567        perform additional runs (number of additional runs is "add_DIVA_runs" taken
1568        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
1569    o verification/lab_sea (AD test):
1570      - change to test Divided Adjoint Run in this set-up (both standard AD test
1571        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
1572    o pkg atm_ & ocn_compon_interf:
1573      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
1574        staggerTimeStep implementation) and disable (retired) corresponding
1575        parameter.
1576    o pkg/offline:
1577      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
1578      - add S/R OFFLINE_CHECK to print offline parameter summary
1579        and stop if loading a file that is not used;
1580      - enable to calculate GMRedi tensor, KPP mixing and convective index
1581        when the corresponding file(s) is/are not specified (but pkg is used).
1582      - comment out resetting of monitorFreq (to endTime) since it still useful
1583        for monitoring CFL numbers and checking offline fields.
1584    o OpenAD:
1585      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
1586        smaller standard output) and generate new (smaller) output (on baudelaire
1587        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
1588    o model/src:
1589      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
1590        (where external_forcing_adjust was called) and change list of arguments;
1591      - merge external_forcing_adjust.F into external_forcing_surf.F
1592      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
1593        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
1594        previously in file "balance_relax.F", now removed); remove corresponding
1595        arrays in FFIELDS.h.
1596      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
1597        a hack for getting back surfaceForcingS (loaded from file) when using
1598        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
1599      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
1600        (was getting only 11 digits for AD-grad, due to different truncation
1601         error in AD code).
1602    
1603    checkpoint64j (2013/07/04)
1604    o pkg/offline:
1605      - to enable the use of other features with pkg offline (e.g., obcs),
1606        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
1607      - comment out "allowFreezing" (now active) in 2 offline testing exp.
1608  o pkg/exf ALLOW_RUNOFTEMP  o pkg/exf ALLOW_RUNOFTEMP
1609    - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL    - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
1610    - added RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice    - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
1611    - changes verification/global_ocean.cs32x15/results/output.seaice.txt    - changes verification/global_ocean.cs32x15/results/output.seaice.txt
1612  o pkg/atm_phys:  o pkg/atm_phys:
1613    - allows to add some damping on uVel,vVel (strength only function of k).    - allows to add some damping on uVel,vVel (strength only function of k).

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