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revision 1.1980 by mlosch, Wed Apr 23 12:42:19 2014 UTC revision 1.2211 by mlosch, Wed Dec 16 12:16:46 2015 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/seaice: fix a bug computing areaS in seaice_calc_lhs/rhs (J-J -> J-1)
8      that affects runs when SEAICEscaleSurfStress=.TRUE. (only for JFNK)
9    o pkg/atm_phys:
10      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
11        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
12        for individual contribution (convection, LSC cond, radiation)
13      - add Ruth Geen etal, GRL 2016, radiation optionis (see paper supp.
14        information); activated with: solar_exponent=0. and wv_exponent=-1.
15    o pkg/ggl90:
16      - within IDEMIX add upper limit for horizontal group velocity to
17        avoid instability problems in the explicit horizontal diffusion term for
18        long time steps or high resolution
19    o pkg/diagnostics:
20      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
21        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
22    o testreport:
23      - remove "-v" (verbose option) in default mpirun command.
24    o pkg/seaice/seaice_growth:
25      - catch potential division by zero in ITD code, does not change
26        verification results
27    o pkg/ecco:
28      - retire old codes to the Attic. The calls to retired functions are
29        left in a commented form in case they ever need to be re-activated.
30      - ecco_check.F: issue warning if any old CPP option is
31        defined that corresponds to retired codes -- then stop.
32    o pkg/atm_compon_interf:
33      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
34        coupler: use last time-step value instead of average over cplSendFrq_iter
35        time-step, similar to what is done for seaIceMass.
36        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
37    o eesupp & genmake2:
38      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
39        <= remove until a fix is found for some ifort version on ia32 machine.
40    o pkg/seaice/seaice_evp:
41      - refine residual computation
42    
43    checkpoint65q (2015/11/18)
44    o pkg/seaice/seaice_evp:
45      - fix residual computations so that they no longer affect the actual
46        simulation code
47      - fix seaice_readparams to be able to actually set new parameters
48        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
49    o model/src:
50      - fix wrong truncation (single prec) from "FLOAT" function in expressions
51        like: deltaT*FLOAT(myIter) when myIter is large:
52         a) replaced by DFLOAT (if not seen by TAF);
53         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
54    o pkg/aim_v23:
55      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
56        when pickupSuff is set ; do write rolling pickups + at the end of the run.
57    o pkg/atm_ocn_coupler + ocn_compon_interf:
58      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
59        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
60        add corresponding call in DO_OCEANIC_PHYS.
61    o coupler pkgs:
62      Start a new way to set-up optionally-exchanged variables (previously, only
63       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
64       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
65       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
66       compononent param default can be set accordingly).
67      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
68       but rather applies to a group a fields (going both ways like for DIC)
69       and corresponds to an option of coupling config.
70      coupler (pkg/atm_ocn_coupler):
71      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
72        and read namelist directly (without eessup S/R calls) instead of
73        in the very un-flexible old way, 1 param per line, in fixed order;
74      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
75        cleanly in CPL_CHECK_CPLCONFIG
76      - add new coupling-exchange selectors (some not yet active) including
77        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
78                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
79      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
80        component ; called directly from coupler.F, after comp. registrations;
81      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
82         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
83          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
84      components (pkg/atm_ & ocn_compon_interf):
85      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
86        CPP header file in all pkg source files.
87      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
88        ATM/OCN_CHECK_CPLCONFIG;
89      - add error-counter to track errors (e.g., in "data.cpl") and to stop
90        cleanly in ATM/OCN_CHECK_CPLCONFIG;
91      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
92        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
93        before PACKAGES_READPARMS;
94      verification/cpl_aim+ocn/:
95      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
96        "data.cpl" for coupler (in input_cpl).
97    o eesupp/inc:
98      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
99        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
100        to always cumulate tile local-sum in the same order (still uses
101        MPI_Allreduce like standard code).
102      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
103        that are now identical to standard version (in eesupp/inc).
104    o pkg/shelfice:
105      - add SHELFICETransCoeffTFile for initializing spatially varying
106        heat and salt transfer coefficients
107    o pkg/atm_compon_interf & ocn_compon_interf:
108      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
109        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
110      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
111    o pkg/atm_ocn_coupler:
112      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
113    o pkg/rbcs:
114      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
115        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
116      - add a short report (to STDOUT) about RBCS-mask settings.
117    
118    checkpoint65p (2015/10/23)
119    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
120        there is no adjoint test for EVP, we don't know what it does to the adjoint
121        solution, but at least there are no more recomputation warnings left
122    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
123        a chance of giving the same results as a fully converged VP (JFNK) solver
124    o tools/adjoint_options/adjoint_diva:
125      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
126    o pkg/streamice:
127      - spotted bug in streamice_driving_stress using dyG where should have been dxG
128    o pkg/exf:
129      - remove STOP statement that prevented to use wind or (wind-)stress
130        interpolation for constant-in-time forcing fields (wind/stress period = 0).
131    o pkg/seaice:
132      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
133        5 additionals 2D fields and 6 new store directives
134      - change logic in seaice_readparms.F: EVP code can now be turned on in
135        various ways, setting SEAICE_deltaTev is no longer required,
136        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
137        or SEAICEaEVPcoeff
138    o pkg/shelfice/shelfice_thermodynamics.F
139      - redefining uLoc/vLoc to u/v, instead of 2u/v
140    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
141      - this is an intermediate state of a truely converging EVP that has
142        the potential of outperforming implicit VP methods, I do not recommend
143        using it yet.
144      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
145        and all parameters are hardwired
146      - for convergence it still requires very smooth regularisations, that means,
147        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
148        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
149        specific averaging appears to be required, still subject to tuning
150      - still needs cleaning and I need to turn parameter into runtime parameters
151      - add code to compute and print residuals of iteration, compile with
152        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
153    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
154      that entered with r1.54 on Sep04, 2015, -> update results
155    
156    checkpoint65o (2015/09/14)
157    o pkg/mom_vecinv & mom_common:
158      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
159        called from there.
160      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
161        allows to use Vector-Invariant form in deep atmos and anelastic formulation
162    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
163      and Koenig-Beatty+Holland (2012)
164      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
165      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
166      - requires an extra input argument for S/R seaice_calc_viscosities
167      - tensileStrength's depth dependence is different from Itkin et al. (2015)
168        (to be changed and played with, for now exponential)
169    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
170      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
171        by AREA according to Connelly et al. (2004), JPO.
172      - For EVP and the LSR solver, the implicit part of the drag term is
173        the only non-zero term in the denominator when there is no ice (which
174        prevented running the model with zero ice-ocean drag). If
175        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
176        (or zero main diagonals BU/BV) which need to be caught. A practical
177        consequence is that for open water, the momentum equation reduce
178        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
179        they happen to be zero, often leading to a non-zero solution over
180        open water.
181    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
182        efficient EVP method.
183      - introduce area-weighted averages for e12 (analogously to
184        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
185        remain, but also changing the order of terms in the previous average
186        changed the results as much) -> update experiment
187      - add SEAICE_DELTA_SMOOTHREG code
188      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
189        TEM-code
190      - adjust loop bounds so that only required fields are computed
191      - add new averaging code for zetaZ/deltaZ (again similar to
192        seaice_calc_viscosities.F), inactive by default for now (will change
193        results again), but will replace old code eventually
194    o eesupp/src:
195      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
196        to always cumulate tile local-sum in the same order
197        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
198        Still uses MPI_Allreduce (like standard code) but on array of tiles
199        and should be faster than GLOBAL_SUM_SEND_RECV code.
200      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
201        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
202      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
203         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
204         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
205         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
206         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
207    
208    checkpoint65n (2015/07/29)
209    o pkg/thsice:
210      - add a warning when used with pkg/aim but without updating SST
211        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
212    o pkg/offline:
213      - change where Offline-Fields are loaded, from load_fields_driver.F to
214        directly within FORWARD_STEP, just after updating iter number and time;
215      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
216        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
217       These changes allow:
218        a) to recover exactly on-line results using deltaToffline=deltaTClock,
219        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
220        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
221        time-step, both with GM & KPP files and with recomputing these fields;
222        b) no needs to switch on staggerTimeStep anymore;
223        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
224      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
225    o pkg/offline:
226      - change (rarely used) offset-iteration parameter to an offset time (in s):
227        can easily recover previous offset-iter effect by setting offset-time
228        (offlineTimeOffset) to offset-iter x deltaToffline;
229      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
230        in KPP as part of surface buoyancy forcing) in offline run.
231      - fix ptracers KPP non-local term in the case where KPP is re-computed.
232    o OpenAD
233      - Adding preliminary ggl90 test to OpenAD verification.
234        Config. with ggl90 currently diverges after 64 time steps
235        so will need more work to become more stable
236      - Adding preliminary kpp test to OpenAD verification.
237        required small tweakes in kpp_routines.F
238      - Merge and update from Krishna Narayanan's contrib area:
239        * Add one variable for preliminary OpenAD DIVA
240        * Add replacement time-stepping for OpenAD DIVA
241        * genmake2 flag -diva (but only for OpenAD; preliminary)
242        * required modifs for OAD_support
243        successful preliminary test for tutorial_global_oce_biogeo/
244    o pkg/seaice:
245      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
246      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
247        delta with a smooth function in s/r seaice_calc_viscosity
248        (no effect on EVP)
249      - rename local suffix "sqr" into "sq" for more consistent variable names
250    o pkg/seaice:
251        add new parameter SEAICE_deltaMin that is used ***only***
252        for regularizing Delta (and nothing else, like the parameter
253        which is also used for all sorts of things SEAICE_EPS).
254        Defaults to SEAICE_EPS for backward compatibility only.
255    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
256        the wrong key by inialising it before use -> fixes a recomputation
257        problem but does not fix the gradient
258    o pkg/layers:
259      - move resetting of flux arrays to outside the iLa loop
260        (this caused layers_diapycnal to not work with more than one layer coord.)
261      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
262    o pkg/layers:
263      - remove from common block 3D layers fields (used to diagnose transport
264        in tracer coords) and declare them as local arrays in layers_calc.F
265    o pkg/seaice:
266      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
267        in lab_sea forward experiment (changes results -> updated)
268      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
269    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
270       computations; for SEAICE_VECTORIZE_LSR
271      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
272        sweep to the outside,
273      - remove store directives and add "CADJ loop sequential" directives
274        in analogy to model/src/solve_tridiagonal.F
275      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
276        boundaries to yield more readable code. This has also the charming side
277        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
278        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
279        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
280        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
281        an additional option)
282       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
283       but the adjoint gradients (which are affected by this change) still explode.
284    o coupler (atm & ocn _compon_interf):
285      - avoid using Exch2 IO mapping if not suitable.
286    
287    checkpoint65m (2015/06/15)
288    o pkg/layers:
289      - clean-up old parameters setting (from Sep 2012):
290        + remove old parameters setting from common block (declared locally);
291        + stop if any old parameter is mixed with new parameters;
292        + check for valid or consistent parameter setting (e.g., layers_name)
293      - check that layers_bounds for Pot.Density are in the right range;
294        this is supposed to catch un-updated setting after recently shifting
295        potential density field "prho" by -1000 (now in "sigma" scale).
296    o pkg/layers:
297      - Added missing call to layers_fill for keeping track of tottend in
298        pkg/diagnostics/diagnostics_fill_state.F
299    o pkg/layers:
300      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
301        of diapycnal fluxes
302    o pkg/layers:
303      - reverted changes to interpolation to previous treatment; there
304        was never actually a problem
305    o pkg/layers:
306      - fix interpolation of layers tracers in the presence of partial cells
307      - add lots of new functionality to compute water mass transformation
308        (enabled by CPP flag LAYERS_THERMODYNAMICS)
309      - add new calls from main code (diags_oceanic_surf_flux.F,
310        thermodynamics.F, impldiff.F) and gad to save the necessary fields
311        for layers_thermodynamics calculations
312    o pkg/ptracers:
313      - add capability of stepping a passive tracer forward without advection
314        by setting PTRACERS_advScheme to 0.
315    o pkg/diagnostics:
316      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
317    o pkg/layers:
318      - shift potential density field "prho" by -1000 for density layer averaging so
319        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
320        Note that density bin boundaries (layers_bounds in data.layers) have
321        to be set accordingly (i.e., shifted, in sigma scale).
322    o pkg/layers:
323      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
324      - fix calculation of layer non-weighted velocity and layer probability
325      - add diagnostics for pot.density used for layer averaging
326    o pkg/seaice:
327      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
328        positiveness, modify a few comments and improve variable names,
329      - the changed computation of deltaC affects most seaice-related
330        experiments at the truncation level.
331        seaice_itd.thermo is affected by far the most, with
332        only 7 digits of agreement remaining; update experiments.
333    
334    checkpoint65l (2015/05/04)
335    o pkg/shelfice:
336      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
337        factor drKp1 to zero where it is negative (ie. do not use
338        SHELFICEBoundaryLayer if hFacC>1)
339      - the same for factor drLoc in shelfice_forcing.F
340    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
341        with modules in ptracers, when using testreport option "-small_f"
342    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
343      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
344    o verification/testreport
345      - add new option -small_f
346        with this option testreport first makes the target small_f (*.f files)
347        before running make (all). This is useful for explicit inlining when
348        all sources need to be full available.
349    o pkg/exf/exf_interp.F:
350        remove previous changes related to reverse (decreasing) input grids latitude
351    
352    checkpoint65k (2015/04/01)
353    o pkg/ecco:
354        fix missing cosphi initialization; use eccoiter in place of optimcycle;
355        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
356        instead of active read/write
357    o pkg/ctrl:
358        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
359        instead of active read/write.
360    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
361        return if .NOT.useAUTODIFF
362    o pkg/seaice: add CPP brackets (cost function related).
363    o model/src:
364        add useAUTODIFF run time switch.
365    o pkg/exf/exf_interp.F:
366        add code to allow input grids with latitude starting in the north (i.e. when
367        j=1 corresponds to northern edge of field); modify global_with_exf to test
368        this feature.
369    o verification/testreport:
370      - replace "grep -A3" with POSIX conformal sed command, because there are
371        implementations of grep that cannot do contextual searches
372      - replace "cat -n" by "nl" (two occurrences), because not all implementations
373        of "cat" have the option "-n"
374    o model/src:
375        add new file gsw_teos10.F that contains 3 functions, more or less a copy
376        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
377        convert from conservative to potential temperature. For now they are not
378        called anywhere.
379    o pkg/ggl90: make "useIDEMIX" useful
380      - re-organize code in s/r ggl90_calc a little to move computations that
381        are different for idemix into separate loops (changes verification
382        experiment idemix at truncation level, 12 digits remain -> updated)
383      - requires 2 new 2D fields KappaM, verticalShear
384      - make hFacI and recip_hFacI local 3D variables that are passed to
385        s/r ggl90_idemix
386      - fix and improve some comments
387    
388    checkpoint65j (2015/02/25)
389    o pkg/openad
390      - synchronize seawater.F with version in model/src: replace routine
391        body of sw_temp by calling sw_ptmp and fix/add a few comments.
392    o pkg/mnc:
393      - change default value of pickup_read/write_mnc params to FALSE
394        (since few features are missing in reading MNC pickup files).
395    o model/src:
396      - change default (background) vertical diffusivity for salt to be the
397        temperature (background) vertical diffusivity.
398      - change background vertical diffusivity in vertical mixing pkgs ggl90,
399        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
400        This makes ptracers default diffusivity (that uses salt diffKr) more
401        consistent with vertical mixing schemes.
402    o verification/testreport:
403      - fix typo in "-pcls" option ;
404      - put temp files in /tmp (instead of in local dir)
405      - add option "-ncad" to use genmake2 new option "-nocat4ad"
406      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
407    o pkg/ggl90 (idemix code):
408      - apply few fixes ; add some missing "_d 0" ; update output of exp.
409        global_ocean.90x40x15.idemix
410    o OpenAD
411      - enable active file I/O and begin removal of work-around code
412        for OpenAD for handling control variables (memory vs. active files)
413      - new CPP options file OPENAD_OPTIONS.h
414      - revert to genarr2d gradient check for hs94.1x64x5
415      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
416      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
417    o tools/genmake2:
418      - add option for an alternative Makefile (from Martin) where multiple
419        source files are sent to TAF (instead of all in one file).
420    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
421      - code provided by Carsten Eden as an extension of ggl90
422      - so far the code is turned on within ggl90 by setting a CPP-flag at
423        compile time; a runtime flag implementation is not yet complete
424      - tested in new verification experiment global_ocean.90x40x15.idemix
425    o verification:
426      - reduce length of the AD test run by half for experiments
427        global_ocean.cs32x15 (std + thsice) and isomip
428      - enable active file I/O for OpenAD, adjust verifications accordingly
429      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
430    o verification/testreport:
431      - fix two non-POSIX sed statements so that there are no error messages
432        on Mac OS X
433      - replace hostname -s with hostname | sed 's/\..*$//'
434    o model/src/seawater.F:
435      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
436        (following the matlab code), which would have avoided the bug caught
437        by Matt (see below) in the first place
438    o pkg/shelfice:
439      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
440        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
441      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
442        ice-shelf case (i.e., within surface level).
443      - add config summary in shelfice_check.F
444      - remove global variable recip_SHELFICElatentHeat and replace by a local
445        variable recip_latentHeat
446      - introduce diagnostics for friction velocity uStar (in case of
447        SHELFICEuseGammaFrict)
448      - change verification experiment isomip.htd:
449        + start from pickup (as input_ad at nIter0=8640)
450        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
451        + test SHELFICEuseGammaFrict = .TRUE.
452        + test SHELFICEadvDiffHeatFlux = .TRUE.
453    o model/src:
454      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
455        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
456        update output of experiments global_with_exf.yearly and isomip (all 6).
457    o pkg/shelfice:
458      - change setting of kTopC to also be zero where there is no ice-shelf.
459      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
460        ice-shelf is.
461      - first attempt to get RealFreshWaterFlux effects: for now, only without
462        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
463    o pkg/seaice: add the option to prescribe a fixed thickness PDF
464      for thermodynamic calculations
465      - because of divisions of the type 7/7 not exactly equal to 1, this change
466        affects results of some verification experiments by up to 4 digits:
467        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
468        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
469        adjoint: lab_sea, lab_sea.noseaicedyn
470        -> updated
471    
472    checkpoint65i (2015/01/23)
473    o model/src:
474      - change units of frictionHeating field from W to W/m^2
475      - fix bug in frictional heating from stratospheric drag in
476        S/R ATM_PHYS_TENDENCY_APPLY_V
477      - with synchronous time-stepping: move resetting to zero of frictionHeating
478        field from load_fields_driver.F to thermodynamics.F ;
479      - add diagnostics for frictional heating.
480    o model/src & gmredi K3D:
481      - add frictionHeating field to pickup-files (for synchronous time-stepping)
482      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
483      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
484        and name in pickup file).
485      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
486    o model/src:
487      - move (from ini_forcing.F) initialisation of all arrays in header file
488        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
489        (since Nov 2012) with option selectAddFluid=1.
490    o pkg/shelfice:
491      - change units (+ document) of newly added field "shelfIceMassDynTendency"
492      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
493    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
494    o pkg/seaice: two new runtime parameters:
495      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
496        long overdue
497      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
498        parameterization of tensil stress for fast ice (does not do anything yet)
499    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
500        for LSR: move checking overlaps out of JFNK-if-block
501    o pkg/atm_phys:
502      - move copy of grid and dynamical fields out of atm_phys_driver.F into
503        new S/R ATM_PHYS_DYN2PHYS.
504      - fix level height for Linear Free-Surf case (to be consistent with
505        fixed-in-time pressure levels).
506    o pkg/mom_common (bottomdrag):
507      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
508        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
509        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
510    o pkg/shelfice (u/v_drag):
511      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
512      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
513        (now similar to shelfice_u_drag.F)
514      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
515        from mom_vecinv.F (similar to mom_fluxform calls).
516    o pkg/mom_common (bottomdrag):
517      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
518      - add options for alternative discretisation of velocity norm in quadratic
519        bottom drag: averaging of grid-cell-center KE to U.point and V.point
520        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
521        improves when averaging only the other component (e.g. vVel for U bottom
522        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
523      - add options (bottomVisc_pCell) to account for partial-cell in bottom
524        friction (no-slip BC) thus getting the true distance from the bottom;
525        off by default since this also reduces model stability (explicit bottom
526        friction). Changes produce different machine truncation with linear-drag
527        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
528        front_relax (bvp & mxl, 10 & 11 digits).
529    o model/src & mom pkgs:
530      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
531        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
532      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
533        just copy level Nr value to level Nr+1.
534    o doc:
535      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
536    o pkg/streamice:
537      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
538        SHELFICE.h: move array shelficemass to init_varia, initialise
539        from array shelficemassinit, which is set in init_fixed and
540        has option to be set from file; introduce array
541        shelficeMassDynTend array, set thru file in init_fixed
542      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
543        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
544        pkg/streamice
545      - shelfice_thermodynamics.F: call shelfice_step_icemass if
546        SHELFICEMassStepping = .true.
547      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
548    
549    checkpoint65h (2014/12/17)
550    o verification/global_ocean.90x40x15, global_ocean_ebm:
551      - update to generic controls.
552    o pkg/ctrl:
553      - ctrl_map_ini_genarr.F: test for igen>0
554      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
555      - move gentim2d part of ctrl_map_ini_genarr.F to
556        new separate routine : ctrl_map_ini_gentim2d.F
557      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
558        add time variable weights and cyclic controls (time mean,
559        seasonal cycle, etc) capabilities to gentim2d
560    o pkg/ecco:
561      - move reading of error, conversion to weights from
562        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
563    o global_oce_llc90, cs32:
564      - activte sbo.
565      - CTRL_SIZE.h : add maxCtrlProc.
566      - activate the new genctrl capabilities.
567      - update following reorganization of global_oce_input_fields.tar.gz  
568    o pkg/ctrl/ctrl_ad_diff.list:
569      - add missing ctrl_init_rec.f
570    o tools/OAD_support/keepOriginal:
571      - add ctrl_init_rec.F
572    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
573      - avoid recomputations of xx_gentim2d_dummy.
574    o momentum diagnostics:
575      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
576        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
577    o pkg/seaice/seaice_lsr.F:
578      - fix computation of BU/BV, make sure they are non-zero, only necessary
579        for cubed sphere exchanges and SEAICE_OLx/y>0.
580        This makes calling s/r fill_cs_corner_rl obsolete (removed).
581    o verification/global_ocean.cs32x15/input.seaice
582      - add test for strong implicit coupling and restricted addtive Schwarz
583        methods for LSR
584      - update results/output.seaice.txt
585    o verification/tutorial_global_oce_biogeo:
586      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
587        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
588        update output_adm,_oadm,_tlm.txt
589    o pkg/dic:
590      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
591      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
592        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
593    o verification/tutorial_global_oce_biogeo:
594      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
595        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
596        update output_adm,_oadm,_tlm.txt
597    o eesupp/src:
598      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
599        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
600    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
601      LSR (following Hutchings et al. 2004)
602      - introduce zetaZ as a global variable (requires adjustments in
603        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
604        in seaice_calc_viscosities.F
605      - new flag SEAICEuseStrImpCpl (default off)
606      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
607        momentum equations
608      - JFNK-solver (preconditioner) adjusted to allow using this method
609        (where it does not have any positive effect)
610    o pkg/seaice
611      - add overlap for restrictive additive Schwartz method also to LSR, but
612        turn it off by default (because it only seems to work for non-cubed
613        sphere/llc topologies)
614    o pkg/autodiff
615      - add extra exchanges in addummy_in_steppging also for mnc output
616    o pkg/seaice:
617      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
618        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
619    o pkg/obcs:
620      - add option to specify domain-connected piece Id along OB though files
621        (for now, only used to diagnose PhiVel; default =1 -> global correction)
622      - modify obcs_diag_balance.F to process each connected-part separately;
623        exclude OB where Id = 0 but keep the full divergence there (-> constant
624        Psi along this portion of OB and all inflow derived from grad(Phi))
625      - add example of OB-conect files in verification/so_box_biogeo/input.
626    o pkg/diagnostics:
627      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
628      a) use non zero matrix element across OB and solve for Phi 1 grid point
629         outside OB (i.e, where tracer OBCS are applied).
630      b) global imbalance of inFlow/outFlow across OB: instead of modifying
631         velocity across OB, spread it uniformly along the OB in the RHS.
632    
633    checkpoint65g (2014/11/19)
634    o pkg/diagnostcis:
635      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
636    o pkg/my82,pp81,kl10:
637      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
638        field diffKr as background diffusivity to set minimum diffusivity value.
639    o pkg/seaice:
640      - add new parameter SEAICEuseEVPrev (for revisited EVP by
641        Bouillon et al 2013)
642      - add SEAICE_evpAlpha/Beta to namelist
643      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
644        involve trivial re-ordering of divisions/multiplications that should not
645        have any effects, but ... they do change the results of lab_sea.hb87 so
646        that only 2 digits of agreement remain, in line with the general
647        instability/fragility of the evp-code. For now, I do not care and just
648        update the verification experiment
649    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
650      - remove xx_genarr2d_numsmooth etc
651      - use xx_genarr2d_preproc etc instead
652      - carry out smooth_correl2D at initialization stage rather than during
653        time stepping.
654      - get smoothOpNb from xx_gentim2d_preproc
655    o global_oce_cs32 :
656      - add test of generic ecco capabilities.
657    o pkg/exf/exf_getsurfacefluxes.F :
658      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
659    o pkg/ctrl,ecco :
660      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
661        is defined.
662    o pkg/seaice: add diagnostics for Delta (deformation parameter)
663    o model/src:
664      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
665        diffusivity (background) is specified but ignored.
666    o verification:
667      - in testreport, convert hostname to lower case for default output dir name
668    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
669    o pkg/dic: add modifications from Hajoon:
670      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
671      - light attenuation: add self-shading effect by climatological Chlorophyll
672        (read from file).
673    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
674        compiles when SEAICE_ALLOW_DYNAMICS is undefined
675    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
676        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
677        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
678        approach where CPP_OPTIONS.h includes an omnipotent
679        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
680    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
681        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
682    o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
683        to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
684        (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
685    o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
686      add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
687      - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
688      - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
689      - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
690    o pkg/ctrl,ecco,exf :
691      - remove variables associated with NON-generic costs,
692        unless ECCO_CTRL_DEPRECATED is defined.
693      - remove NON-generic NON-obcs controls,
694        unless ECCO_CTRL_DEPRECATED is defined.
695    o pkg/ctrl : added ctrl_local_params.h
696    o pkg/ecco : added ecco_local_params.h
697    o verification : added ECCO_CTRL_DEPRECATED to most as and oad
698        experiments, which will progressively be removed once the
699        experiments are revised to use only generic controls/costs.
700    
701    checkpoint65f (2014/10/13)
702    o pkg/ctrl, ecco, seaice : minor changes in headers
703    o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
704        cost function and control capabilities added since checkpoint65c.
705    o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
706    o pkg/ecco: increase modularity and improve logic
707      - ecco_toolbox.F (new) : basic operations that are often used,
708        including ecco_zero, ecco_cp, ecco_cprsrl, ecco_diffmsk,
709        ecco_addcost, ecco_add, ecco_div, ecco_readbar.
710      - cost_gencal.F (new) : determine filnames and records.
711      - cost_genread.F, cost_generic.F : condense code using ecco_toolbox.
712      - cost_generic.F : use spzeroloc rather than hard-coded -9999,
713        and exploit the above functions leading to more compact code.
714      - cost_genread.F : rm un-necessary arguments, re-arrange args order.
715      - ecco_check.F, ecco_readparms.F : bring logic up to date (using_tpj,
716        using_ers, using_gfo, using_mdt is now only defined within gencost)
717    o pkg/ecco: extend generic cost capabilities
718      - pkg/ecco : added 3D gencost (ALLOW_GENCOST3D), added gencost
719        capabilities via gencost_preproc (+ _c,_i,_r related params),
720        gencost_posproc (+ _c,_i,_r related params), gencost_nrecperiod,
721        gencost_outputlevel arguments to cost_generic
722      - pkg/ecco/cost_genread.F (new) : interface between cost_generic
723        and active_read, making room for gencost_preproc to take effect.
724        Added preproc code ('climmon') to replace GENERIC_BAR_MONTH.
725      - pkg/ecco/cost_generic.F :
726        compute and store misfit maks*(model-data) in localdif that is
727        then used in cost and for output, output misfit if outlev.GT.0
728      - pkg/ecco/cost_averagesfields.F : depend on gencost_barskip
729        rather gencost_barfile for deciding whether to write barfile
730      - pkg/ecco/ecco_cost_driver.F : extract call to cost_profiles from cost_hyd
731      - pkg/ecco/ecco_cost_init_fixed.F : extract gencost weights from
732        ecco_cost_weights, re-activate ecco_summary, determine gencost_barskip
733      - pkg/ecco/ecco_summary.F : report gencost variables
734      - pkg/ecco/cost_gencost_customize.F : treat case of scatterometer costs
735    o pkg/sea/SEAICE_OPTIONS.h : add ALLOW_COST_ICE, ALLOW_SEAICE_COST_SMR_AREA
736    o pkg/ecco: internal re-organization
737      - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl
738        (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,
739        mv relevant variables definition from ecco_cost.h to ecco.h,
740        make sure gencost routines only include ecco.h)
741      - throughout : add missing CCP switches, rm unused variables,
742        and rm un-necessary CPP switches
743      - throughout gencost routines : replace modelstartdate with
744        gencost_startdate when needed
745      - cost_bp_read.F : use arguments, instead of common blocs
746        so that it can be used also by (new) cost_gencost_bpv4.F
747      - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0
748      - ecco_phys.F : compute etanFull
749      - ecco_readparms.F : rename using_topex as using_tpj, add
750        bpv4-grace to gencost list, initialize added parameters
751      - ecco_summary.F : include SIZE.h needed for augmented ecco.h
752    
753    checkpoint65e (2014/09/28)
754    o pkg/obcs:
755      - replaced the just-added CPP options with run-time variables
756        (see pkg/obcs/OBCS_PARAMS.h for details)
757    o pkg/obcs:
758      - add additional CPP options for sponge boundary layers
759        (see pkg/obcs/OBCS_OPTIONS.h for details)
760    o pkg/atm_phys:
761      - implement simple (obliquity only, assuming circular planet orbit)
762        seasonal cycle for incoming insolation ; used when run-time parameter
763        "select_incSW" is set to 1 ; by default (=0), uses old unchanged formula.
764    o pkg/exf, pkg/ecco, pkg/ctrl:
765      - add ctrlUseGen and .NOT.ctrlUseGen exclusive brackets
766      - activate gentim2d for xx_atemp,xx_aqh,xx_swdown,xx_lwdown,xx_precip
767      - implement gentim2d for xx_tauu, xx_tauv
768    o pkg/ctrl, pkg/ecco :
769      - fix and complement the generic controls implementation
770    o pkg/exf/exf_getclim.F, exf_getffields.F, exf_getsurfacefluxes.F,
771        pkg/shelfice/shelfice_thermodynamics.F,
772        verification/hs94.1x64x5/code_ad/ctrl_map_gentim2d.F,
773        verification/hs94.1x64x5/code_oad/ctrl_map_gentim2d.F :
774      - add weight in CTRL_GET_GEN calls
775    o pkg/ctrl :
776      - ctrl_get_gen.F : add weight as input parameter, and apply
777        it directly rather than using smooth_correl2Dw (to be retired).
778      - ctrl_map_gentim2d.F : add wgentim2d in CTRL_GET_GEN call
779    o pkg/ctrl :
780      - introduce run time switch ctrlUseGen (in ctrl.h, ctrl_check.F,
781        ctrl_init_variables.F, ctrl_readparms.F, ctrl_summary.F)
782      - re-activate ctrl_summary (call in ctrl_init.F)
783    o pkg/ctrl/ctrl_cost_gen.F :
784      - fix CCP brackets, remove un-necessary myiter, mytime
785    o pkg/ecco, pkg/ctrl :
786      - remove cost_genctrl.F (now pkg/ctrl/ctrl_cost_driver.F)
787      - remove cost_forcing_gen.F (now pkg/ctrl/ctrl_cost_gen2d.F)
788      - add ctrl_cost_driver.F (replaces pkg/ecco/cost_genctrl.F)
789      - add ctrl_cost_gen2d.F (replaces pkg/ecco/cost_forcing_gen.F)
790    
791    checkpoint65d (2014/09/15)
792    o pkg/ctrl/CTRL_GENARR.h, ctrl_readparms.F :
793      - add xx_genarr2d_bounds,xx_genarr3d_bounds,
794        xx_genarr2d_numsmooth, xx_genarr3d_numsmooth
795    o pkg/ctrl/ctrl_map_ini_genarr.F :
796      - remove compilation failure
797      - replace hard coded example
798      - use ctrl_map_ini_gen2D, 3D
799    o pkg/ctrl/ctrl_pack.F, ctrl_unpack.F :
800      - on/off switch based upon xx_genarr2d_weight,3d
801    o src/packages_init_variables.F :
802      - regroup pkg/estimation calls
803      - remove CTRL_MAP_INI, CTRL_MAP_INI_ECCO
804        (moved to ctrl_init_variables)
805    o cost/cost_init_varia.F :
806      - remove ecco_cost_init_varia
807        (moved to ecco_init_varia)
808    o ctrl/ctrl_init_variables.F :
809      - add CTRL_MAP_INI, CTRL_MAP_INI_ECCO
810      - add CTRL_MAP_INI_GENARR, SEAICE_CTRL_MAP_INI
811    o ctrl/ctrl_map_ini.F :
812      - remove ctrl_map_ini_genarr, seaice_ctrl_map_ini
813        (moved to ctrl_init_variables)
814    o ctrl/ctrl_map_ini_ecco.F :
815      - remove ECCO_PHYS (mv to ecco_init_varia)
816      - remove seaice_ctrl_map_ini (mv to ctrl_init_variables)
817    o ecco/ecco_ad_diff.list :
818      - add ecco_init_varia.f
819    o ecco/ecco_init_varia.F
820      - new routine
821    o pkg/streamice:
822      - move call to STREAMICE_INITIALIZE_PETSC from the_model_main.F
823        to streamice_init_fixed.F ; fix setting of STREAMICEisOn.
824      - from model/src, only call pkg/streamice routines if useStreamIce is TRUE.
825    o pkg/generic_advdiff:
826      - fix bug causing negatives in GAD_SMOLARKIEWICZ_HACK, introduced 8/8/2014.
827    o pkg/exf:
828      - exf_getffields.F : add xxg_atemp, xxg_aqh, xxg_swdown, xxg_lwdown,
829         xxg_precip capability
830      - exf_wind.F : no need for ALLOW_WSPEED_CONTROL cpp switch
831    o pkg/ctrl:
832      - ctrl_pack.F, ctrl_unpack.F : omit (un)packing of undefined xx_gentim2d
833    o model/src/load_fields_driver.F :
834      - move call to CTRL_MAP_GENTIM2D ahead of BULKF_FIELDS_LOAD, EXF_GETFORCING
835        so xx_gentim2d can be applied to e.g. exf fields in a timely manner.
836    o OpenAD verification experiments:
837      - Include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h, and CTRL_OPTIONS.h
838        in src files (to enable to skip the ECCO_CPPOPTIONS.h);
839        for now, only in pkgs used in OpenAD verification experiments.
840      - Change all except one (halfpipe_streamice) OpenAD experiments to use pkg
841        specific option file (AUTODIFF_OPTIONS.h, COST_OPTIONS.h & CTRL_OPTIONS.h)
842        instead of using ECCO_CPPOPTIONS.h (with all relevant options in it).
843        This applies to both TAF (*/code_ad/) and OpenAD (*/code_oad/) tests.
844    o OpenAD verification tests:
845      - finish removing ALLOW_AUTODIFF_OPENAD (replaced by ALLOW_OPENAD);
846      - finish replacing ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for
847        tape/storage which are specific to TAF/TAMC) in pkgs used in OpenAD exp.
848      - leave ALLOW_AUTODIFF_TAMC undef in OpenAD verification tests (*/code_oad/)
849        and remove local copy of "tamc.h" (needed only if ALLOW_AUTODIFF_TAMC).
850    o model/src & generic_advdiff:
851      - change hard-coded loop-range in S/R APPLY_FORCING_T/S to set T & S
852        forcing over 0:sNx+1, 0:sNy=1 (instead of just 1:sNx,1:sNy): Model
853        dynamics requires valid tracer forcing only over tile interior but, for
854        some diagnostics, may need to extend it over 1 point in tile halo region.
855      - in gad_calc_rhs.F, update calls to gmredi_x/ytransport to get valid
856        tendency over i,j_Min,Max range. This allows to simplfy i,j_Min,Max
857        setting in temp/salt/ptracer_integrate.F
858    o pkg/dic:
859      - multiply tracer tendencies by maskInC (if ussing OBCS) before updating
860        gchem tracers: this allows to skip the 2nd call to OBCS_APPLY_PTRACER
861        in gchem_forcing_sep.F
862    o pkg/autodiff & obcs:
863      - add storage of current OB values for U & V (was already done for T & S).
864    
865    checkpoint65c (2014/08/30)
866    o pkg/dic:
867      - take out of dic_atmos.F the initialisation part (corresponding to istate=0)
868        and move it to new S/R DIC_INI_ATMOS ; also simplify the dependencies for
869        AD compilers (but still a Pb with multi-threading and Ajoint dependencies).
870    o verification:
871      - new experiment testing OBCS and DIC pkgs, using params & output from
872        tutorial_global_oce_biogeo but limited to a sub-domain around Drake
873        passage: take OBCS from the last year of a 2 yrs simulation and initial
874        conditions from t=1.yr while keeping the same forcing.
875    o model/src:
876      - when allowFreezing=T, only reset below freezing initial Temp to Tfreezing
877        (at any k) if checkIniTemp is not set to FALSE (default checkIniTemp=T).
878    o pkg/diagnostics (Stats-Diags):
879      - re-write S/R DIAGSTATS_CALC (more similar to TARGET_NEC_SX part) to:
880        a) refine region where stats are computed, excluding where arrhFac=0 ;
881        b) fix missing interior mask (use with OBCS) in 3-D fields statistics;
882        c) extend regional stats over the region edges (for U or V pt location).
883    o pkg/gchem:
884      - add a (2nd) call to OBCS_APPLY_PTRACER in gchem_forcing_sep.F (needed since
885        pkg/dic is currently changing/updating ptracers values beyond the OB).
886    o verification (hs94):
887      - convert Held & Suarez external_forcing.F (from hs94.cs, with Sigma-coords
888        bits) to apply_forcing.F and undef USE_OLD_EXTERNAL_FORCING in experiments
889        hs94.cs-32x32x5 and tutorial_held_suarez_cs ; also use the same version of
890        apply_forcing.F in 2D hs94 (fwd, ad & oad) but keep LatLon hs94 unchanged.
891    o pkg/ptracers:
892      - implement Adams-Bashforth on pTracers (instead of on tracer tendency),
893        switched on by setting PTRACERS_doAB_onGpTr=F (default set to doAB_onGtGs)
894      - change exp4 secondary test (input.nlfs) to test AB on T & S & pTracer
895        with AB-2 code (so that it get tested).
896    o model/src:
897      - allow to apply Adams-Bashforth on Temp & Salt (instead of on gT,gS)
898        with AB-2 code (previously only available with AB-3 code).
899        Also move the code (call to ADAMS_BASHFORTH S/R) form thermodynamics.F
900        to temp/salt_integrate.F (since the 2nd part of gt/sNm1 update is done
901        there, by calling CYCLE_AB_TRACER).
902    o pkg/generic_advdiff:
903      - change Tracer argument (drop bi,bj indices) in S/R GAD_CALC_RHS,
904        GAD_C2_ADV_R, GAD_U3_ADV_R, GAD_C4_ADV_R, GAD_DIFF_R, GAD_BIHARM_R
905        + also in GMREDI_X/Y/RTRANSPORT ; and update corresponding calls in
906        S/R temp/salt/ptracers_integrate.F
907    o model/src & pkg/ptracers:
908      - remove common block variables gT,gS (in DYNVARS.h), except when
909         USE_OLD_EXTERNAL_FORCING is defined; update TAF storage accordingly.
910      - remove common block variable gPtr.
911    o model/src & pkgs:
912      - change gTracer (and/or tracer) argument (drop bi,bj indices) in S/R
913         ADAMS_BASHFORTH(2&3), CYCLE_(AB_)TRACER, FREESURF_RESCALE_G,
914         IMPLDIFF, SOLVE_TRIDIAGONAL & _PENTADIAGONAL, GAD_SOM_ADVECT,
915         GAD_ADVECTION, GAD_CALC_RHS, GAD_IMPLICIT_R, TIMEAVE_CUMUL_DIF_1T
916      + change accordingly all calling S/R.
917      - use local temperature/salinity/ptracer tendency array (without bi,bj)
918        in S/R temp/salt/ptracers_integrate.F
919    o pkg/seaice:
920      - move computation of stress contributions to rhsU/V in s/r seaice_lsr
921        to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
922      - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
923        in seaice_lsr
924      - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
925        in s/r seaice_lsr_calc_coeffs
926    o pkg/mdsio:
927      - in MDS_READ/WRITE_FIELD, stop if file-name (+prefix) is too long
928        (e.g., > MAX_LEN_MBUF -90 ) or, in INI_MODEL_IO, if mdsioLocalDir is
929        too long (e.g., > MAX_LEN_FNAM/2 )
930    
931    checkpoint65b (2014/08/12)
932    o pkg/matrix:
933      - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
934    o model/src:
935      - fix initialisation of geothermalFile; compile geothermal-flux code in
936        natl_box verification experiment.
937    o model/src & pkg/down_slope:
938      - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
939      - in dwnslp_apply.F, update tracer tendency instead of the future tracer
940        field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
941        results at machine truncation level: update output of experiments
942        global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
943    o pkg/diagnostics (Stats-Diags):
944      - do not cumulate the full volume when DIAGNOSTICS_FILL is
945        called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
946        This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
947        times (but Min,Max and StD are still wrong).
948    o model/src:
949      - add geothermal flux forcing: read in ini_forcing.F as time-constant
950        field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
951    o model/src:
952      - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
953        _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
954        arrays are already updated while adjustments (filters, conv.adjustment) are
955        still applied later, in S/R TRACERS_CORRECTION_STEP.
956    o model/src:
957      - store in common bloc array "rhoInSitu" the virtual potential temperature
958        anomaly that is used to compute geopotential: this make the atmos code
959        more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
960    o pkg/seaice/seaice_lsr.F
961      - rename integer variable ilcall to ipass (that's what it is called
962        in the residual diagnostics
963      - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
964        default) for improved non-linear convergence of the first few steps
965      - adjust a few comments and add new ones to explain some of the store
966        directives
967    o pkg/generic_advdiff (& ptracers):
968      - re-work the code to check for valid advection scheme and for minimum
969        size of overlap (now stored in local common bloc in gad_advscheme.F)
970    o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
971      - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
972      - add an auxilliary variable "bet" and fix store directives and keys in
973        seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
974        less exact gradients in my tests); but there are still
975        recomputation warning (although gradients are sort of OK), when
976        SEAICE_LSR_VECTORIZE is not defined, so this flag and
977        SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
978      - update verification experiments lab_sea.
979      - change some comments in S/R seaice_calc_viscosities
980    o model/src:
981      - if staggerTimeStep=T, always apply exchange to velocity field in
982        do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
983        (independent of using multi-dim advection or not); no effect on FWD run
984        but affects AD results (at machine truncation level): update output of
985        experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
986        and isomip (oad: 12.d).
987    o pkg/generic_advdiff:
988      - stop if doAB_onGtGs is set to FALSE but ignored
989      - refine warning related to stability of tracer time-stepping
990        regarding internal wave dynamics.
991      - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
992        on staggerTimeStep & implicitIntGravWave (will now get a warning
993        if potentially unstable).
994    o pkg/kl10:
995      - add new pkg "kl10" for mixing due to internal wave breaking, from
996        http://www.sciencedirect.com/science/article/pii/S1463500310000144
997        (contribution from Jody Klymak), tested in verification experiment
998        verification/internal_wave/input.kl10/
999    o isomip experiment:
1000      - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
1001        (input.htd) and update the output.
1002    o cd_code experiments:
1003      - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
1004        #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
1005        global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
1006        update the corresponding output.
1007    o pkg/seaice:
1008      - reduce the number of include files and store directives in
1009        S/R seaice_lsr_tridiagu/v
1010      - change the order of loops in one case in S/R seaice_lsr_tridiagv
1011        (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
1012        get rid off one store directive (a TAF bug?)
1013      - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
1014        S/R seaice_lsr_tridiagv to change the loop range for consistency
1015      - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
1016      - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
1017        S/R seaice_lsr_tridiagu/v (requires update of
1018        offline_exf_seaice/input.dyn_jfnk)
1019    
1020    checkpoint65a (2014/07/27)
1021    o model/src:
1022      - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
1023        surrounding hFacC=1 @ edge of a step with different kSurfC on either side
1024        (topo in p-coords, ice-shelf in z-coords); update output of experiments
1025        tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
1026    o model/src:
1027      - collect momentum forcing tendency into local 2-D array (passed as argument
1028        to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
1029        parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
1030        affects results at machine truncation level (e.g., if using OBCS_SPONGE).
1031      - collect T & S forcing tendency into local 2-D array (passed as argument to
1032        apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
1033        affects results at machine truncation level (e.g., ocean: if using
1034        SHORTWAVE_HEATING ; atmos: if using FrictionHeating or (atm_Rq<>0) moist
1035        correction due to vertical advection).
1036      - update output of experiments: fizhi-cs-32x32x40 (13 digits),
1037        global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
1038        seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
1039        obcs_ctrl (ad & fwd grd @ 12 & 7).
1040    o pkg/ptracers & diagnostics:
1041      - use ptracers (short) name (instead of long one) to make ptracers diagnostics
1042        title (to avoid some unexpected truncation); sort out ptracers diags units.
1043      - collect ptracer forcing tendency into local 2-D array (passed as argument
1044        to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
1045    
1046    checkpoint65 (2014/07/18)
1047    o pkg/fizhi:
1048      - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
1049        affects results at machine truncation level. Update output of experiments
1050        fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
1051    o pkg/seaice: more clean up
1052      - rename TAF common block tapes to be more consistent and remove
1053        unnecessary duplicates
1054      - add store directives to remove more recomputations, but use smaller
1055        tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
1056        The idea behind this flag is to reduce the memory footprint when the
1057        adjoint of the LSR is not required. As of now, defining the flag
1058        SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
1059        a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
1060        For experiment offline_exf_seaice, this means on a linux box with gfortran
1061        nearly a factor of 10 (but keep in mind there is mostly seaice code in
1062        this experiment):
1063        > size mitgcmuv_ad
1064        text    data        bss     dec        hex
1065        5100659 1216  220458952  225560827  d71c8fb
1066        5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
1067        but only a moderate increase of 36% for global_ocean.cs32x15:
1068        text    data        bss     dec        hex
1069        6695027 1648 1014578664 1021275339 3cdf6ccb
1070        6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
1071      - note: there are still recomputations in global_ocean.cs32x15 and
1072        offline_exf_seaice and the gradient agreement changes (gets a
1073        little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
1074      - in general, the AD gradients still are wrong
1075    o OpenAD
1076      - clean up code_oad/ directories somewhat by moving files
1077        dontCompile, dontTransform, keepOriginal to OAD_support/
1078    o model/src:
1079      - using MOM fluxform and Non-Lin Free-Surf with momDissip_In_AB=F
1080        (not currently tested): add dissipation terms before NLFS rescaling of
1081        tendencies (previously done after).
1082    o pkg/diagnostics:
1083      - write stats-diags in ascii file with more digits (same as in monitor).
1084    o pkg/down_slope:
1085      - drop the bi,bj dimension of argument recip_hFac in S/R DWNSLP_APPLY; with
1086        NLFS (not tested), use new recip_hFac value in order to conserve tracer.
1087    o model/src:
1088      - new file "apply_forcing.F" containing all the code previously in
1089        external_forcing.F, but with new argument list: pass, as new argument,
1090        the current level tendency array to update (instead of a direct update
1091        of the common bloc array). Change the corresponding calls.
1092      - add CPP option USE_OLD_EXTERNAL_FORCING (default is undef) to use
1093        EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility).
1094    o pkg/seaice/seaice_lsr, a little bit of clean up
1095      - rearrange some code blocks, so that now all calculations for
1096        setting up the right-hand-sides done within one single block
1097        (I find that easier to read and understand)
1098      - rearrange freedrift-code to reduce the number of ifdefs
1099      - adjust some indentations and comments
1100    
1101    checkpoint64z (2014/07/10)
1102    o model/src and several pkgs:
1103      - change argument list of all S/R called from external_forcing.F and
1104        called from ptracers_forcing.F (renamed to ptracers_apply_forcing.F)
1105        to pass, as argument, the current level tendency array to update
1106        (instead of a direct update of the common bloc array).
1107      - change also (in the same way) argument list of PTRACERS_APPLY_FORCING;
1108      - rename taueddy_external_forcing.f to taueddy_tendency_apply.F
1109    o pkg/seaice/seaice_lsr.F
1110      - always initialize local arrays in seaice_lsr_tridiagu/v
1111      - add more local tapes to seaice_lsr_tridiagu/v
1112      - move storing u/vice(:,:,bi,bj) out of seaice_lsr_tridiagu/v, but
1113        keep it in bi/bj loop; this seems to be essential
1114      - gradients are still wrong but only by 4-7 orders of magnitude
1115        instead of 15 orders of magnitude, lab_sea improves a little
1116    o pkg/seaice
1117      - (pkg/autodiff) remove storing/restoring of seaiceMaskU/V that
1118        generates unnecessary code in seaice_lsr_ad
1119      - add more store directives in seaice_lsr to avoid unnecessary code
1120        in seaice_lsr_ad
1121      - exclude some residual computations in seaice_lsr when
1122        ALLOW_AUTODIFF_TAMC is defined in order to avoid unnecessary code
1123        in seaice_lsr_ad
1124      - add more storing, a new tape (model/src/the_main_loop.F) and
1125        another key for SEAICE_LSR_VECTORIZE_ZEBRA (the local keys ilockey
1126        and klockey should be checked by a specialist)
1127      - modify ( define SEAICE_VECTORIZE_LSR and SEAICE_LSR_ADJOINT_ITER )
1128        and update lab_sea after previous changes in pkg/seaice below
1129    o pkg/autodiff:
1130      - introduce useSmoothCorrel2DinAdMode, SEAICEapproxLevInAd, and
1131        viscFacInAd : run time parameters allowing for adjoint switches
1132        note : logic for useSmoothCorrel2DinAdMode is in ctrl_readparms.F
1133    o pkg/ecco:
1134      - introduce cost_gencost_boxmean.F that computes a box mean
1135        temperature (for use in adjoint sensitivity studies).
1136    o model/src/set_defaults.F : initialize viscFacAdj to 1.
1137    o pkg/mom_common/mom_calc_visc.F:
1138      - ifdef ALLOW_AUTODIFF then include viscFacAdj factor.
1139    o pkg/seaice/seaice_summary.F:
1140      - statement for SEAICEadjMODE now in autodiff_readparms.F
1141    o pkg/seaice:
1142      - remove some store directives and add new ones in an effort to get
1143        finally rid off the recomputation warnings. This is successful
1144        when SEAICE_VECTORIZE_LSR ***and*** SEAICE_LSR_ADJOINT_ITER are
1145        defined (i.e. no extensive recomputation warnings left), but there
1146        are still too many recomputations on the solver iteration level
1147      - define SEAICE_VECTORISZE_LSR in offline_exf_seaice/code_ad/SEAICE_OPTIONS.h
1148      - move definition of MPSEUDOTIMESTEPS into TAMC-block in
1149        SEAICE_SIZE.h
1150      - add a store directive in S/R seaice_calc_viscosities
1151    o pkg/seaice (ITD code):
1152      - fix definition of Hlimit for multi-threaded case
1153      - use double precision arithmetic to compute Hlimit: this affects results;
1154        update output of experiment seaice_itd.
1155    o replace content of verification/seaice_itd
1156      - instead of a 1D column use the configuration of offline_exf_seaice
1157        to test the ice thickness distribution code with ridging
1158      - this is a first shot at this experiment
1159      - change of some defaults of ridging parameters SEAICEhStar (from
1160        100 to 25) and SEAICEmuRidging (from 5 to 3) in seaice_readparms.F
1161        and lot of new comments.
1162    
1163    checkpoint64y (2014/06/20)
1164    o pkg/seaice/seaice_reg_ridge.F:
1165      - modify the regularization of very small volumes of ice; only check
1166        total volume HEFF, and do not apply correction to individual ice
1167        classes because that leads to funny patterns in the heat and fw-fluxes
1168        into the ocean. Adjust seaice_itd/results/output.txt
1169      - replace nITD by SEAICE_multDim in loop-ranges
1170    o pkg/exf:
1171      - add code to process the case field period = -12. with UV interpolation.
1172      - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
1173        into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
1174    o verification/global_with_exf:
1175      - switch all fields period to -12. (was previously untested) in input/data.exf
1176        (but keep secondary test ".yearly" unchanged); update the reference output.
1177    o pkg/cal:
1178      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
1179    o pkg/exf:
1180      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
1181        to replace logical switch "exf_verbose"
1182      - report in STDOUT when loading a new record (if exf_debugLev >= 3)
1183    o pkg/sbo:
1184      - update from Katherine Quinn: evaluate mass directly from density and SSH
1185        (budget using Finite Volume method) instead of from bottom pressure.
1186      - allow testreport to collect few selected SBO output ; tested in exp.
1187        global_ocean.90x40x15 (after updating the results, to include SBO output).
1188      - fix some multi-threading issues (in output part).
1189    o model/src & most packages:
1190      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
1191      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
1192        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
1193        "data.{pkg}" exist ; and leave the S/R (return) just after.
1194      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
1195        + call LAND_READPARMS from packages_readparms.F
1196    o pkg/seaice:
1197      - remove code that resets useThSice in S/R seaice_readparms and
1198        replace it by a warning in S/R seaice_check
1199      - remove parameter MULTDIM, replace with nITD and runtime
1200        parameter SEAICE_multDim (still hard-wired to nITD if
1201        SEAICE_ITD is defined)
1202    
1203    checkpoint64x (2014/05/24)
1204    o verification/lab_sea:
1205      - update adjoint and TLM output following changes to pkg/salt_plume
1206      - un-do the update after putting back local recip_Cp in few places.
1207    o pkg/salt_plume: modifications by An Nguyen:
1208      - add capability to do brine rejection (salt-plume) as function of
1209        volume+tracers (instead of only salinity tracer).
1210      - conserve volume by exchanging volume from each kLev to above to
1211        accommodate in-coming brine volume
1212      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
1213      - switch KPP surf buoyancy due to brine forcing to 3-d
1214        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
1215      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
1216      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
1217        in East/West Arctic.
1218    o pkg/sbo:
1219      - incorporate modifications from Katherine Quinn to enable the use of sbo
1220        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
1221        output for future testreport verification (unfinished).
1222    o pkg/atm_phys:
1223      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
1224        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
1225        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
1226    o pkg/seaice
1227      seaice_calc_ice_strength.F: modify expression to avoid divisions
1228        (affects truncation)
1229      seaice_do_ridging.F: clean up the insectarium
1230      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
1231      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
1232      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
1233      - add some debugging information and error messages (warnings)
1234    o model/src: modifications relatd to atmosphere p*:
1235      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
1236      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
1237        of vertical profile tRef in geopotential background and anomaly.
1238      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
1239        and pkg/atm_phys.
1240      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
1241        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
1242    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
1243    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
1244        not used right now, but can be used in BGC packages to fix conservation.
1245    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
1246        other packages too.
1247    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
1248        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
1249    o model/src:
1250      - since we have several heat capacity (even in model/src), define "recip_Cp"
1251        as local variable (no longer in common block) to avoid any confusion.
1252      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
1253    o pkg/exf:
1254      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
1255        air density as function of air Temp, Humidity and atm pressure.
1256    
1257    checkpoint64w (2014/05/02)
1258    o verification:
1259      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
1260        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
1261        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
1262        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
1263        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
1264    o model/src: for atmosphere in p* coords:
1265      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
1266      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
1267        but not yet activated.
1268    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
1269      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
1270      - this changes the results (but not for any verification experiment, because
1271        none tests this), but avoids having an extra field in the restart files
1272    o pkg/seaice: remove global variable TICE (not needed)
1273      - replace by TICES or local variable where necessary (cost_seaice_test,
1274        seaice_diagnostics_state)
1275      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
1276      - use specific read/write routines for reading and writing individual leves
1277        of a multilevel field
1278    o pkg/ctrl & model/inc:
1279      - move additional anomaly fields of control vars (related to options:
1280         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
1281        from DYNVARS.h into new header file: CTRL_FIELDS.h
1282    o pkg/seaice: some small modifications to the ridging code
1283      - make fw2ObyRidge a global variable and add the freshwater flux to
1284        seaice_growth
1285      - pass actual thickness from seaice_prepare_ridging, so that it is
1286        computed only in one place and compute it in the same way as in
1287        seaice_growth
1288      - initialise more fields in seaice_do_ridging that where cause floating
1289        point exceptions over land
1290  o pkg/seaice: preparations for ridging code and first real ridging code  o pkg/seaice: preparations for ridging code and first real ridging code
1291    - move most of "PART 1" of S/R seaice_growth into a new and separate    - move most of "PART 1" of S/R seaice_growth into a new and separate
1292      S/R seaice_reg_ridge that will both regularize the state variable after      S/R seaice_reg_ridge that will both regularize the state variable after
1293      advection call the actual ridging routine;      advection call the actual ridging routine;
1294    - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,    - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
1295      d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;      d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
1296    - remove ridging code from seaice_advdiff    - remove ridging code from seaice_advdiff
1297    - clean up remaining part 1 of seaice_growth in an attempt to make it    - clean up remaining part 1 of seaice_growth in an attempt to make it
1298      more readable (this is probably subjective)      more readable (this is probably subjective)
1299    - call seaice_itd_redist once in the initialisation phase to have the initial    - call seaice_itd_redist once in the initialisation phase to have the initial
1300      conditions in the correct category      conditions in the correct category

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