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revision 1.2025 by mlosch, Wed Jul 16 12:03:54 2014 UTC revision 1.2267 by jmc, Thu Sep 15 00:36:43 2016 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/icefront & pkg/exf:
8      - move setting of icefront Sub-Glacial RunOff forcing (currently unused)
9        from pkg/exf (read from data.exf) to pkg/icefront (read from data.icefront)
10    o pkg/exf:
11      - replace CPP option ALLOW_EXF_OUTPUT_INTERP with run-time parameter
12        "exf_output_interp" (in namelist: EXF_NML_04); change output file name
13        (add suffix "_out" instead of a prefix); keep same record number as in
14        input file but always write record 1 first (to avoid a STOP in I/O S/R).
15        Change output file content by writing interpolated field before applying
16        land-sea mask (helpful for debug).
17      - 2 compon. vector interpolation with rotation: apply scaling factor on
18        each compon. (Eastward and Northward) just before rotation.
19    o pkg/bling:
20      - Cleaned package. Removed not needed code and comments.
21      - adjoint example now works
22        (MITgcm_contrib/verification_other/global_oce_biogeo_bling/code_ad)
23    o pkg/ptracers:
24      - add Bruno Deremble's code to complete the linear surface correction
25        for tracer conservation;
26      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
27    
28    checkpoint65y (2016/07/29)
29    o pkg/debug (stats):
30      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
31        proc/thread mapping);
32      - fix Min & Max for case where 1 thread has only empty tiles;
33      - use RL variable to count number of wet grid points (with big domain,
34        can be too large to fit into integer*4).
35    o pkg/monitor:
36      - use RL variable to count number of wet grid points (but used only for del2)
37      - add new routine to compute Advective CFL within tracer time-stepping with
38        writing delayed until next monitor output.
39    o pkg/obcs:
40      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
41    o pkg/cal:
42      - calandar-dump: treat case myTime < timePhase in the same way as in
43        eesupp/src/diff_phase_multiple.F (when not using calandar-dump).
44    o pkg/dic & seaice:
45      - fix compilation of ocean component for coupled atm+ocn model with
46        seaice dynamics & dic.
47    
48    checkpoint65x (2016/06/11)
49    o add a license text file in main MITgcm tree.
50    o added pkg/bling:
51      - intermediate complexity biogeochemical model
52      - see bling_description.txt for details
53      - verification experiment is global_oce_biogeo_bling (for now, in
54        Contrib/verification_other/); tested daily on baudelaire with gfortran.
55      - add entry point in pkg/gchem for new pkg "bling".
56    o pkg/seaice: fix tensile stength computation
57      - replace global field tensileStrength by tensileStrFac
58      - tensileStrFac can be computed once in S/R seaice_init_varia
59      - fortunately that does not affect any verification results
60    
61    checkpoint65w (2016/05/12)
62    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
63         with ECCO_CTRL_DEPRECATED defined
64    o verification/global_ocean.cs32x15:
65      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
66        with "selectNHfreeSurf=1".
67    o model/src (non-hydrostatic free-surface):
68      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
69        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
70      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
71        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
72        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
73        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
74      - Update output (changes at machine truncation level) of verification exp:
75        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
76        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
77    o pkg/seaice: ITD code
78      - fix picking up from a single category model by initialising
79        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
80      - split a long warning message in seaice_check_pickup.F into two lines,
81        because NEC SX-ACE cannot deal with the long line.
82    o model/src:
83      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
84    o pkg/seaice:
85      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
86    o pkg/seaice:
87      - add basal stress as parameterisation for grounding ice
88        following Lemieux et al. (2015)
89      - turn on by setting new parameter SEAICEbasalDragK2 to a value
90        larger than 0. Lemieux et al. (2015) recommend 15.
91      - The adjoint complains with extra recomputations so there is also a
92        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
93        order to postpone the problem
94      - compile the new code in lab_sea
95    o verification/halfpipe_streamice:
96      - update both TAF and OpenAD adm output (machine truncation differences)
97    
98    checkpoint65v (2016/04/08)
99    o verification/advect_xz:
100      - increase overlap size from 3 to 4 and add new secondary test for PQM
101        advection scheme (with mono & wino limiter).
102      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
103    o model/src:
104      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
105        added phi0Ref) to set vertical axis origin and phiRef origin;
106        keep Ro_SeaLevel for backward compatibility (with a warning).
107       According to coordinate and fluid type:
108        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
109        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
110        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
111        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
112      - remove Ro_SeaLevel from ATM experiment parameter files;
113      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
114        complement; update output.txt (changes at machine truncation level).
115    o pkg/seaice/seaice_evp.F
116      - simplify computation of deltaZ and zetaZ to simple averaging following
117        Bouillon et al. (2013). This removes a lot of code, but also changes
118        verification experiment lab_sea.hb87 -> updated
119    
120    checkpoint65u (2016/03/14)
121    o pkg/generic_advdiff:
122      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
123        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
124        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
125        testing and not for actual use.
126    o model/src:
127      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
128        origin r = rF(1);
129      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
130        in EOS for height coordinate: enable to include NH Pressure or to use
131        more accurate pressure vertical profile; options not linked to EOS type
132        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
133      - start to implement variable gravity (along vertical): for now, only with
134        z-coords (not even z*).
135      - add Ideal Gas equation of state for height coordinate.
136      - update OpenAD output (affected at machine truncation level) of exp:
137        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
138    o pkg/exf:
139      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
140        of exf interpolation (before any rescaling, rotation or interpolation
141        to velocity point) for each field that gets loaded from file. This option
142        identically mimics the input file organization (e.g. record numbers in year
143        by year input files) besides the change in horizontal grid.
144      - add rotateStressOnAgrid run-time switch so that wind stress fields
145        can be provided on the A-grid in zonal/meridional direction and
146        rotated on the fly. This only applies to the case when the exf
147        interpolation is off and rotateStressOnAgrid is false by default.
148    o model/src:
149      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
150        it's also used with pkg/atm_phys) and add few more parameters (but still
151        inactive, src code yet to come)
152    
153    checkpoint65t (2016/02/10)
154    o pkg/atm_phys:
155      - from Ruth Geen: add optical depth dependence on CO2 concentration.
156    o model/src:
157      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
158        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
159        Update output of exp. deep_anelastic (changes at truncation level).
160    o tools:
161      - add a hack in "remove_comments_sed" (used only with TAF) for recent
162        version of OpenMPI (shipped with FC.23): comment out the new header
163        file "mpif-sizeof.h" which causes problems to TAF.
164    o pkg/seaice:
165      - change the termination criterion so that maxits (SEAICElinearIterMax)
166        has an effect
167      - unify iteration parameters for implicit solvers (JFNK and Picard)
168        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
169        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
170        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
171        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
172        SEAICEnonLinTol     replaces JFNKgamma_nonlin
173      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
174      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
175        use with SEAICEuseKrylov
176    o pkg/seaice/seaice_lsr.F
177        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
178        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
179        an effect.
180    o pkg/seaice: add two new parameters
181      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
182        parameter is not in any namelist)
183      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
184        a preconditioner for the non-linear Newton iteration of the JFNK
185        solver
186    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
187      affects some experiments at truncation level:
188      - global_ocean.cs32x15.icedyn (11 digits),
189      - global_ocean.cs32x15.seaice (11 digits),
190      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
191      - also update global_ocean.cs32x15 adjoint and tangent-linear results
192    o pkg/salt_plume & pkg/thsice:
193      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
194        connect salt_plume flux to ATM-OCN coupling pkgs interface:
195       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
196         export to coupler interface) even without compiling pkg/salt_plume ;
197       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
198         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
199    o pkg/dic:
200      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
201        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
202        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
203      - move also update with values from ATM-OCN Coupler in the same new S/R
204        (previously done in ocn_apply_import.F).
205    o tools/adjoint_options:
206      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
207        has been changed on Jan 14, 2016.
208    o pkg/ggl90:
209      - add alternative discretisation of vertical shear (off by default), to
210        compute the mean (@ grid-cell center) of vertical shear compon instead of
211        vertical shear of mean flow (@ grid-cell center).
212      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
213        results on adjacent faces of cubed-sphere grids; this fix the restart.
214    o pkg/atm_compon_interf:
215      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
216        pass last value, stored directly before export to CPL ;
217        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
218      - remove atmSLPr from pickup files (no longer needed for restart)
219    
220    checkpoint65s (2016/01/13)
221    o eesupp & genmake2:
222       - first check for Function ETIME and, if it fails, then check for subroutine
223         ETIME and consistent output; use the appropriate version in timers.F
224    o model/src:
225      - to check restart test, add option to apply EXCH to U,V earlier, just before
226        integr_continuity; turned off by default.
227    o pkg/dic:
228      - remove CPP option USE_ATMOSCO2 (not needed)
229    o tools/tst_2+2:
230      - try to ignore difference between +0 and -0 in binary file, causing test
231        to fail for no good reason.
232    o eesupp & genmake2:
233      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
234        but also check (in genmake2) that test runs and returns meaningful results.
235    o coupler pkgs:
236      Finish implementation of optionally-exchanged variable switches (started on
237       Nov 12) with addition of few more exchanged fields, including 2-way exchange
238       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
239       advection in OCN component; this requires sequential coupling.
240      coupler (pkg/atm_ocn_coupler):
241      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
242        routines (useful for debug).
243      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
244         flux, DIC fields) if corresponding switch is ON.
245      - add option to export RunOff to OCN (to use for DIC river input)
246      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
247      components (pkg/atm_ & ocn_compon_interf):
248      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
249        optionally exchanged fields; add a check & stop in cpl_readparms.F.
250        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
251        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
252      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
253        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
254      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
255      - hold in common block coupler optionally-exchanged variable switch
256        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
257      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
258        this is intended to replace the OCN cplFldtave.* output files (not updated
259        to contain new additional exchanged fields).
260    o pkg/dic:
261      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
262    o pkg/thsice:
263      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
264        and writing of thsice pickup files.
265    o pkg/atm_compon_interf:
266      - move all field individual export-call out of cpl_export_import_data.F
267        into new S/R ATM_EXPORT_FIELDS
268    o pkg/atm_compon_interf:
269      - store state variables (for now, only thSIce fields) just before beeing
270        exported (in cpl_export_import_data.F, like on ocean side) instead of from
271        atm_store_my_data.F like all exported fluxes.
272      - new version of pickup_cpl: write field names into meta file and read meta
273        file to find field postion in pickup. Also only write/read fields meeded for
274        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
275    o pkg/dic:
276      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
277    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
278        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
279        value can be from domain [0,1] to average between the two methods
280    o pkg/atm_phys:
281      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
282        hold fixed in time).
283    
284    checkpoint65r (2015/12/21)
285    o pkg/seaice:
286        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
287        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
288    o pkg/seaice:
289      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
290        when SEAICEscaleSurfStress=.TRUE.,
291      - apply areaW and areaS in S/R seaice_calc_lhs
292    o pkg/atm_phys:
293      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
294        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
295        for individual contribution (convection, LSC cond, radiation)
296      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
297        information); activated with: solar_exponent=0. and wv_exponent=-1.
298    o pkg/ggl90:
299      - within IDEMIX add upper limit for horizontal group velocity to
300        avoid instability problems in the explicit horizontal diffusion term for
301        long time steps or high resolution
302    o pkg/diagnostics:
303      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
304        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
305    o testreport:
306      - remove "-v" (verbose option) in default mpirun command.
307    o pkg/seaice/seaice_growth:
308      - catch potential division by zero in ITD code, does not change
309        verification results
310    o pkg/ecco:
311      - retire old codes to the Attic. The calls to retired functions are
312        left in a commented form in case they ever need to be re-activated.
313      - ecco_check.F: issue warning if any old CPP option is
314        defined that corresponds to retired codes -- then stop.
315    o pkg/atm_compon_interf:
316      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
317        coupler: use last time-step value instead of average over cplSendFrq_iter
318        time-step, similar to what is done for seaIceMass.
319        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
320    o eesupp & genmake2:
321      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
322        <= remove until a fix is found for some ifort version on ia32 machine.
323    o pkg/seaice/seaice_evp:
324      - refine residual computation
325    
326    checkpoint65q (2015/11/18)
327    o pkg/seaice/seaice_evp:
328      - fix residual computations so that they no longer affect the actual
329        simulation code
330      - fix seaice_readparams to be able to actually set new parameters
331        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
332    o model/src:
333      - fix wrong truncation (single prec) from "FLOAT" function in expressions
334        like: deltaT*FLOAT(myIter) when myIter is large:
335         a) replaced by DFLOAT (if not seen by TAF);
336         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
337    o pkg/aim_v23:
338      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
339        when pickupSuff is set ; do write rolling pickups + at the end of the run.
340    o pkg/atm_ocn_coupler + ocn_compon_interf:
341      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
342        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
343        add corresponding call in DO_OCEANIC_PHYS.
344    o coupler pkgs:
345      Start a new way to set-up optionally-exchanged variables (previously, only
346       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
347       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
348       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
349       compononent param default can be set accordingly).
350      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
351       but rather applies to a group a fields (going both ways like for DIC)
352       and corresponds to an option of coupling config.
353      coupler (pkg/atm_ocn_coupler):
354      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
355        and read namelist directly (without eessup S/R calls) instead of
356        in the very un-flexible old way, 1 param per line, in fixed order;
357      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
358        cleanly in CPL_CHECK_CPLCONFIG
359      - add new coupling-exchange selectors (some not yet active) including
360        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
361                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
362      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
363        component ; called directly from coupler.F, after comp. registrations;
364      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
365         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
366          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
367      components (pkg/atm_ & ocn_compon_interf):
368      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
369        CPP header file in all pkg source files.
370      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
371        ATM/OCN_CHECK_CPLCONFIG;
372      - add error-counter to track errors (e.g., in "data.cpl") and to stop
373        cleanly in ATM/OCN_CHECK_CPLCONFIG;
374      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
375        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
376        before PACKAGES_READPARMS;
377      verification/cpl_aim+ocn/:
378      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
379        "data.cpl" for coupler (in input_cpl).
380    o eesupp/inc:
381      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
382        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
383        to always cumulate tile local-sum in the same order (still uses
384        MPI_Allreduce like standard code).
385      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
386        that are now identical to standard version (in eesupp/inc).
387    o pkg/shelfice:
388      - add SHELFICETransCoeffTFile for initializing spatially varying
389        heat and salt transfer coefficients
390    o pkg/atm_compon_interf & ocn_compon_interf:
391      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
392        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
393      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
394    o pkg/atm_ocn_coupler:
395      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
396    o pkg/rbcs:
397      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
398        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
399      - add a short report (to STDOUT) about RBCS-mask settings.
400    
401    checkpoint65p (2015/10/23)
402    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
403        there is no adjoint test for EVP, we don't know what it does to the adjoint
404        solution, but at least there are no more recomputation warnings left
405    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
406        a chance of giving the same results as a fully converged VP (JFNK) solver
407    o tools/adjoint_options/adjoint_diva:
408      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
409    o pkg/streamice:
410      - spotted bug in streamice_driving_stress using dyG where should have been dxG
411    o pkg/exf:
412      - remove STOP statement that prevented to use wind or (wind-)stress
413        interpolation for constant-in-time forcing fields (wind/stress period = 0).
414    o pkg/seaice:
415      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
416        5 additionals 2D fields and 6 new store directives
417      - change logic in seaice_readparms.F: EVP code can now be turned on in
418        various ways, setting SEAICE_deltaTev is no longer required,
419        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
420        or SEAICEaEVPcoeff
421    o pkg/shelfice/shelfice_thermodynamics.F
422      - redefining uLoc/vLoc to u/v, instead of 2u/v
423    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
424      - this is an intermediate state of a truely converging EVP that has
425        the potential of outperforming implicit VP methods, I do not recommend
426        using it yet.
427      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
428        and all parameters are hardwired
429      - for convergence it still requires very smooth regularisations, that means,
430        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
431        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
432        specific averaging appears to be required, still subject to tuning
433      - still needs cleaning and I need to turn parameter into runtime parameters
434      - add code to compute and print residuals of iteration, compile with
435        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
436    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
437      that entered with r1.54 on Sep04, 2015, -> update results
438    
439    checkpoint65o (2015/09/14)
440    o pkg/mom_vecinv & mom_common:
441      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
442        called from there.
443      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
444        allows to use Vector-Invariant form in deep atmos and anelastic formulation
445    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
446      and Koenig-Beatty+Holland (2012)
447      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
448      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
449      - requires an extra input argument for S/R seaice_calc_viscosities
450      - tensileStrength's depth dependence is different from Itkin et al. (2015)
451        (to be changed and played with, for now exponential)
452    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
453      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
454        by AREA according to Connelly et al. (2004), JPO.
455      - For EVP and the LSR solver, the implicit part of the drag term is
456        the only non-zero term in the denominator when there is no ice (which
457        prevented running the model with zero ice-ocean drag). If
458        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
459        (or zero main diagonals BU/BV) which need to be caught. A practical
460        consequence is that for open water, the momentum equation reduce
461        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
462        they happen to be zero, often leading to a non-zero solution over
463        open water.
464    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
465        efficient EVP method.
466      - introduce area-weighted averages for e12 (analogously to
467        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
468        remain, but also changing the order of terms in the previous average
469        changed the results as much) -> update experiment
470      - add SEAICE_DELTA_SMOOTHREG code
471      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
472        TEM-code
473      - adjust loop bounds so that only required fields are computed
474      - add new averaging code for zetaZ/deltaZ (again similar to
475        seaice_calc_viscosities.F), inactive by default for now (will change
476        results again), but will replace old code eventually
477    o eesupp/src:
478      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
479        to always cumulate tile local-sum in the same order
480        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
481        Still uses MPI_Allreduce (like standard code) but on array of tiles
482        and should be faster than GLOBAL_SUM_SEND_RECV code.
483      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
484        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
485      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
486         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
487         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
488         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
489         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
490    
491    checkpoint65n (2015/07/29)
492    o pkg/thsice:
493      - add a warning when used with pkg/aim but without updating SST
494        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
495    o pkg/offline:
496      - change where Offline-Fields are loaded, from load_fields_driver.F to
497        directly within FORWARD_STEP, just after updating iter number and time;
498      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
499        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
500       These changes allow:
501        a) to recover exactly on-line results using deltaToffline=deltaTClock,
502        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
503        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
504        time-step, both with GM & KPP files and with recomputing these fields;
505        b) no needs to switch on staggerTimeStep anymore;
506        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
507      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
508    o pkg/offline:
509      - change (rarely used) offset-iteration parameter to an offset time (in s):
510        can easily recover previous offset-iter effect by setting offset-time
511        (offlineTimeOffset) to offset-iter x deltaToffline;
512      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
513        in KPP as part of surface buoyancy forcing) in offline run.
514      - fix ptracers KPP non-local term in the case where KPP is re-computed.
515    o OpenAD
516      - Adding preliminary ggl90 test to OpenAD verification.
517        Config. with ggl90 currently diverges after 64 time steps
518        so will need more work to become more stable
519      - Adding preliminary kpp test to OpenAD verification.
520        required small tweakes in kpp_routines.F
521      - Merge and update from Krishna Narayanan's contrib area:
522        * Add one variable for preliminary OpenAD DIVA
523        * Add replacement time-stepping for OpenAD DIVA
524        * genmake2 flag -diva (but only for OpenAD; preliminary)
525        * required modifs for OAD_support
526        successful preliminary test for tutorial_global_oce_biogeo/
527    o pkg/seaice:
528      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
529      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
530        delta with a smooth function in s/r seaice_calc_viscosity
531        (no effect on EVP)
532      - rename local suffix "sqr" into "sq" for more consistent variable names
533    o pkg/seaice:
534        add new parameter SEAICE_deltaMin that is used ***only***
535        for regularizing Delta (and nothing else, like the parameter
536        which is also used for all sorts of things SEAICE_EPS).
537        Defaults to SEAICE_EPS for backward compatibility only.
538    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
539        the wrong key by inialising it before use -> fixes a recomputation
540        problem but does not fix the gradient
541    o pkg/layers:
542      - move resetting of flux arrays to outside the iLa loop
543        (this caused layers_diapycnal to not work with more than one layer coord.)
544      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
545    o pkg/layers:
546      - remove from common block 3D layers fields (used to diagnose transport
547        in tracer coords) and declare them as local arrays in layers_calc.F
548    o pkg/seaice:
549      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
550        in lab_sea forward experiment (changes results -> updated)
551      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
552    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
553       computations; for SEAICE_VECTORIZE_LSR
554      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
555        sweep to the outside,
556      - remove store directives and add "CADJ loop sequential" directives
557        in analogy to model/src/solve_tridiagonal.F
558      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
559        boundaries to yield more readable code. This has also the charming side
560        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
561        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
562        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
563        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
564        an additional option)
565       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
566       but the adjoint gradients (which are affected by this change) still explode.
567    o coupler (atm & ocn _compon_interf):
568      - avoid using Exch2 IO mapping if not suitable.
569    
570    checkpoint65m (2015/06/15)
571    o pkg/layers:
572      - clean-up old parameters setting (from Sep 2012):
573        + remove old parameters setting from common block (declared locally);
574        + stop if any old parameter is mixed with new parameters;
575        + check for valid or consistent parameter setting (e.g., layers_name)
576      - check that layers_bounds for Pot.Density are in the right range;
577        this is supposed to catch un-updated setting after recently shifting
578        potential density field "prho" by -1000 (now in "sigma" scale).
579    o pkg/layers:
580      - Added missing call to layers_fill for keeping track of tottend in
581        pkg/diagnostics/diagnostics_fill_state.F
582    o pkg/layers:
583      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
584        of diapycnal fluxes
585    o pkg/layers:
586      - reverted changes to interpolation to previous treatment; there
587        was never actually a problem
588    o pkg/layers:
589      - fix interpolation of layers tracers in the presence of partial cells
590      - add lots of new functionality to compute water mass transformation
591        (enabled by CPP flag LAYERS_THERMODYNAMICS)
592      - add new calls from main code (diags_oceanic_surf_flux.F,
593        thermodynamics.F, impldiff.F) and gad to save the necessary fields
594        for layers_thermodynamics calculations
595    o pkg/ptracers:
596      - add capability of stepping a passive tracer forward without advection
597        by setting PTRACERS_advScheme to 0.
598    o pkg/diagnostics:
599      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
600    o pkg/layers:
601      - shift potential density field "prho" by -1000 for density layer averaging so
602        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
603        Note that density bin boundaries (layers_bounds in data.layers) have
604        to be set accordingly (i.e., shifted, in sigma scale).
605    o pkg/layers:
606      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
607      - fix calculation of layer non-weighted velocity and layer probability
608      - add diagnostics for pot.density used for layer averaging
609    o pkg/seaice:
610      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
611        positiveness, modify a few comments and improve variable names,
612      - the changed computation of deltaC affects most seaice-related
613        experiments at the truncation level.
614        seaice_itd.thermo is affected by far the most, with
615        only 7 digits of agreement remaining; update experiments.
616    
617    checkpoint65l (2015/05/04)
618    o pkg/shelfice:
619      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
620        factor drKp1 to zero where it is negative (ie. do not use
621        SHELFICEBoundaryLayer if hFacC>1)
622      - the same for factor drLoc in shelfice_forcing.F
623    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
624        with modules in ptracers, when using testreport option "-small_f"
625    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
626      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
627    o verification/testreport
628      - add new option -small_f
629        with this option testreport first makes the target small_f (*.f files)
630        before running make (all). This is useful for explicit inlining when
631        all sources need to be full available.
632    o pkg/exf/exf_interp.F:
633        remove previous changes related to reverse (decreasing) input grids latitude
634    
635    checkpoint65k (2015/04/01)
636    o pkg/ecco:
637        fix missing cosphi initialization; use eccoiter in place of optimcycle;
638        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
639        instead of active read/write
640    o pkg/ctrl:
641        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
642        instead of active read/write.
643    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
644        return if .NOT.useAUTODIFF
645    o pkg/seaice: add CPP brackets (cost function related).
646    o model/src:
647        add useAUTODIFF run time switch.
648    o pkg/exf/exf_interp.F:
649        add code to allow input grids with latitude starting in the north (i.e. when
650        j=1 corresponds to northern edge of field); modify global_with_exf to test
651        this feature.
652    o verification/testreport:
653      - replace "grep -A3" with POSIX conformal sed command, because there are
654        implementations of grep that cannot do contextual searches
655      - replace "cat -n" by "nl" (two occurrences), because not all implementations
656        of "cat" have the option "-n"
657    o model/src:
658        add new file gsw_teos10.F that contains 3 functions, more or less a copy
659        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
660        convert from conservative to potential temperature. For now they are not
661        called anywhere.
662    o pkg/ggl90: make "useIDEMIX" useful
663      - re-organize code in s/r ggl90_calc a little to move computations that
664        are different for idemix into separate loops (changes verification
665        experiment idemix at truncation level, 12 digits remain -> updated)
666      - requires 2 new 2D fields KappaM, verticalShear
667      - make hFacI and recip_hFacI local 3D variables that are passed to
668        s/r ggl90_idemix
669      - fix and improve some comments
670    
671    checkpoint65j (2015/02/25)
672    o pkg/openad
673      - synchronize seawater.F with version in model/src: replace routine
674        body of sw_temp by calling sw_ptmp and fix/add a few comments.
675    o pkg/mnc:
676      - change default value of pickup_read/write_mnc params to FALSE
677        (since few features are missing in reading MNC pickup files).
678    o model/src:
679      - change default (background) vertical diffusivity for salt to be the
680        temperature (background) vertical diffusivity.
681      - change background vertical diffusivity in vertical mixing pkgs ggl90,
682        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
683        This makes ptracers default diffusivity (that uses salt diffKr) more
684        consistent with vertical mixing schemes.
685    o verification/testreport:
686      - fix typo in "-pcls" option ;
687      - put temp files in /tmp (instead of in local dir)
688      - add option "-ncad" to use genmake2 new option "-nocat4ad"
689      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
690    o pkg/ggl90 (idemix code):
691      - apply few fixes ; add some missing "_d 0" ; update output of exp.
692        global_ocean.90x40x15.idemix
693    o OpenAD
694      - enable active file I/O and begin removal of work-around code
695        for OpenAD for handling control variables (memory vs. active files)
696      - new CPP options file OPENAD_OPTIONS.h
697      - revert to genarr2d gradient check for hs94.1x64x5
698      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
699      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
700    o tools/genmake2:
701      - add option for an alternative Makefile (from Martin) where multiple
702        source files are sent to TAF (instead of all in one file).
703    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
704      - code provided by Carsten Eden as an extension of ggl90
705      - so far the code is turned on within ggl90 by setting a CPP-flag at
706        compile time; a runtime flag implementation is not yet complete
707      - tested in new verification experiment global_ocean.90x40x15.idemix
708    o verification:
709      - reduce length of the AD test run by half for experiments
710        global_ocean.cs32x15 (std + thsice) and isomip
711      - enable active file I/O for OpenAD, adjust verifications accordingly
712      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
713    o verification/testreport:
714      - fix two non-POSIX sed statements so that there are no error messages
715        on Mac OS X
716      - replace hostname -s with hostname | sed 's/\..*$//'
717    o model/src/seawater.F:
718      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
719        (following the matlab code), which would have avoided the bug caught
720        by Matt (see below) in the first place
721    o pkg/shelfice:
722      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
723        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
724      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
725        ice-shelf case (i.e., within surface level).
726      - add config summary in shelfice_check.F
727      - remove global variable recip_SHELFICElatentHeat and replace by a local
728        variable recip_latentHeat
729      - introduce diagnostics for friction velocity uStar (in case of
730        SHELFICEuseGammaFrict)
731      - change verification experiment isomip.htd:
732        + start from pickup (as input_ad at nIter0=8640)
733        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
734        + test SHELFICEuseGammaFrict = .TRUE.
735        + test SHELFICEadvDiffHeatFlux = .TRUE.
736    o model/src:
737      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
738        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
739        update output of experiments global_with_exf.yearly and isomip (all 6).
740    o pkg/shelfice:
741      - change setting of kTopC to also be zero where there is no ice-shelf.
742      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
743        ice-shelf is.
744      - first attempt to get RealFreshWaterFlux effects: for now, only without
745        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
746    o pkg/seaice: add the option to prescribe a fixed thickness PDF
747      for thermodynamic calculations
748      - because of divisions of the type 7/7 not exactly equal to 1, this change
749        affects results of some verification experiments by up to 4 digits:
750        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
751        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
752        adjoint: lab_sea, lab_sea.noseaicedyn
753        -> updated
754    
755    checkpoint65i (2015/01/23)
756    o model/src:
757      - change units of frictionHeating field from W to W/m^2
758      - fix bug in frictional heating from stratospheric drag in
759        S/R ATM_PHYS_TENDENCY_APPLY_V
760      - with synchronous time-stepping: move resetting to zero of frictionHeating
761        field from load_fields_driver.F to thermodynamics.F ;
762      - add diagnostics for frictional heating.
763    o model/src & gmredi K3D:
764      - add frictionHeating field to pickup-files (for synchronous time-stepping)
765      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
766      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
767        and name in pickup file).
768      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
769    o model/src:
770      - move (from ini_forcing.F) initialisation of all arrays in header file
771        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
772        (since Nov 2012) with option selectAddFluid=1.
773    o pkg/shelfice:
774      - change units (+ document) of newly added field "shelfIceMassDynTendency"
775      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
776    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
777    o pkg/seaice: two new runtime parameters:
778      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
779        long overdue
780      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
781        parameterization of tensil stress for fast ice (does not do anything yet)
782    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
783        for LSR: move checking overlaps out of JFNK-if-block
784    o pkg/atm_phys:
785      - move copy of grid and dynamical fields out of atm_phys_driver.F into
786        new S/R ATM_PHYS_DYN2PHYS.
787      - fix level height for Linear Free-Surf case (to be consistent with
788        fixed-in-time pressure levels).
789    o pkg/mom_common (bottomdrag):
790      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
791        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
792        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
793    o pkg/shelfice (u/v_drag):
794      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
795      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
796        (now similar to shelfice_u_drag.F)
797      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
798        from mom_vecinv.F (similar to mom_fluxform calls).
799    o pkg/mom_common (bottomdrag):
800      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
801      - add options for alternative discretisation of velocity norm in quadratic
802        bottom drag: averaging of grid-cell-center KE to U.point and V.point
803        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
804        improves when averaging only the other component (e.g. vVel for U bottom
805        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
806      - add options (bottomVisc_pCell) to account for partial-cell in bottom
807        friction (no-slip BC) thus getting the true distance from the bottom;
808        off by default since this also reduces model stability (explicit bottom
809        friction). Changes produce different machine truncation with linear-drag
810        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
811        front_relax (bvp & mxl, 10 & 11 digits).
812    o model/src & mom pkgs:
813      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
814        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
815      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
816        just copy level Nr value to level Nr+1.
817    o doc:
818      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
819    o pkg/shelfice:
820      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
821        SHELFICE.h: move array shelficemass to init_varia, initialise
822        from array shelficemassinit, which is set in init_fixed and
823        has option to be set from file; introduce array
824        shelficeMassDynTend array, set thru file in init_fixed
825      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
826        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
827        pkg/streamice
828      - shelfice_thermodynamics.F: call shelfice_step_icemass if
829        SHELFICEMassStepping = .true.
830      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
831    
832    checkpoint65h (2014/12/17)
833    o verification/global_ocean.90x40x15, global_ocean_ebm:
834      - update to generic controls.
835    o pkg/ctrl:
836      - ctrl_map_ini_genarr.F: test for igen>0
837      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
838      - move gentim2d part of ctrl_map_ini_genarr.F to
839        new separate routine : ctrl_map_ini_gentim2d.F
840      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
841        add time variable weights and cyclic controls (time mean,
842        seasonal cycle, etc) capabilities to gentim2d
843    o pkg/ecco:
844      - move reading of error, conversion to weights from
845        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
846    o global_oce_llc90, cs32:
847      - activte sbo.
848      - CTRL_SIZE.h : add maxCtrlProc.
849      - activate the new genctrl capabilities.
850      - update following reorganization of global_oce_input_fields.tar.gz  
851    o pkg/ctrl/ctrl_ad_diff.list:
852      - add missing ctrl_init_rec.f
853    o tools/OAD_support/keepOriginal:
854      - add ctrl_init_rec.F
855    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
856      - avoid recomputations of xx_gentim2d_dummy.
857    o momentum diagnostics:
858      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
859        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
860    o pkg/seaice/seaice_lsr.F:
861      - fix computation of BU/BV, make sure they are non-zero, only necessary
862        for cubed sphere exchanges and SEAICE_OLx/y>0.
863        This makes calling s/r fill_cs_corner_rl obsolete (removed).
864    o verification/global_ocean.cs32x15/input.seaice
865      - add test for strong implicit coupling and restricted addtive Schwarz
866        methods for LSR
867      - update results/output.seaice.txt
868    o verification/tutorial_global_oce_biogeo:
869      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
870        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
871        update output_adm,_oadm,_tlm.txt
872    o pkg/dic:
873      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
874      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
875        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
876    o verification/tutorial_global_oce_biogeo:
877      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
878        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
879        update output_adm,_oadm,_tlm.txt
880    o eesupp/src:
881      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
882        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
883    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
884      LSR (following Hutchings et al. 2004)
885      - introduce zetaZ as a global variable (requires adjustments in
886        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
887        in seaice_calc_viscosities.F
888      - new flag SEAICEuseStrImpCpl (default off)
889      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
890        momentum equations
891      - JFNK-solver (preconditioner) adjusted to allow using this method
892        (where it does not have any positive effect)
893    o pkg/seaice
894      - add overlap for restrictive additive Schwartz method also to LSR, but
895        turn it off by default (because it only seems to work for non-cubed
896        sphere/llc topologies)
897    o pkg/autodiff
898      - add extra exchanges in addummy_in_steppging also for mnc output
899    o pkg/seaice:
900      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
901        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
902    o pkg/obcs:
903      - add option to specify domain-connected piece Id along OB though files
904        (for now, only used to diagnose PhiVel; default =1 -> global correction)
905      - modify obcs_diag_balance.F to process each connected-part separately;
906        exclude OB where Id = 0 but keep the full divergence there (-> constant
907        Psi along this portion of OB and all inflow derived from grad(Phi))
908      - add example of OB-conect files in verification/so_box_biogeo/input.
909    o pkg/diagnostics:
910      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
911      a) use non zero matrix element across OB and solve for Phi 1 grid point
912         outside OB (i.e, where tracer OBCS are applied).
913      b) global imbalance of inFlow/outFlow across OB: instead of modifying
914         velocity across OB, spread it uniformly along the OB in the RHS.
915    
916    checkpoint65g (2014/11/19)
917    o pkg/diagnostcis:
918      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
919    o pkg/my82,pp81,kl10:
920      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
921        field diffKr as background diffusivity to set minimum diffusivity value.
922    o pkg/seaice:
923      - add new parameter SEAICEuseEVPrev (for revisited EVP by
924        Bouillon et al 2013)
925      - add SEAICE_evpAlpha/Beta to namelist
926      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
927        involve trivial re-ordering of divisions/multiplications that should not
928        have any effects, but ... they do change the results of lab_sea.hb87 so
929        that only 2 digits of agreement remain, in line with the general
930        instability/fragility of the evp-code. For now, I do not care and just
931        update the verification experiment
932    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
933      - remove xx_genarr2d_numsmooth etc
934      - use xx_genarr2d_preproc etc instead
935      - carry out smooth_correl2D at initialization stage rather than during
936        time stepping.
937      - get smoothOpNb from xx_gentim2d_preproc
938    o global_oce_cs32 :
939      - add test of generic ecco capabilities.
940    o pkg/exf/exf_getsurfacefluxes.F :
941      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
942    o pkg/ctrl,ecco :
943      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
944        is defined.
945    o pkg/seaice: add diagnostics for Delta (deformation parameter)
946    o model/src:
947      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
948        diffusivity (background) is specified but ignored.
949    o verification:
950      - in testreport, convert hostname to lower case for default output dir name
951    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
952    o pkg/dic: add modifications from Hajoon:
953      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
954      - light attenuation: add self-shading effect by climatological Chlorophyll
955        (read from file).
956    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
957        compiles when SEAICE_ALLOW_DYNAMICS is undefined
958    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
959        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
960        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
961        approach where CPP_OPTIONS.h includes an omnipotent
962        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
963    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
964        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
965    o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
966        to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
967        (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
968    o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
969      add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
970      - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
971      - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
972      - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
973    o pkg/ctrl,ecco,exf :
974      - remove variables associated with NON-generic costs,
975        unless ECCO_CTRL_DEPRECATED is defined.
976      - remove NON-generic NON-obcs controls,
977        unless ECCO_CTRL_DEPRECATED is defined.
978    o pkg/ctrl : added ctrl_local_params.h
979    o pkg/ecco : added ecco_local_params.h
980    o verification : added ECCO_CTRL_DEPRECATED to most as and oad
981        experiments, which will progressively be removed once the
982        experiments are revised to use only generic controls/costs.
983    
984    checkpoint65f (2014/10/13)
985    o pkg/ctrl, ecco, seaice : minor changes in headers
986    o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
987        cost function and control capabilities added since checkpoint65c.
988    o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
989    o pkg/ecco: increase modularity and improve logic
990      - ecco_toolbox.F (new) : basic operations that are often used,
991        including ecco_zero, ecco_cp, ecco_cprsrl, ecco_diffmsk,
992        ecco_addcost, ecco_add, ecco_div, ecco_readbar.
993      - cost_gencal.F (new) : determine filnames and records.
994      - cost_genread.F, cost_generic.F : condense code using ecco_toolbox.
995      - cost_generic.F : use spzeroloc rather than hard-coded -9999,
996        and exploit the above functions leading to more compact code.
997      - cost_genread.F : rm un-necessary arguments, re-arrange args order.
998      - ecco_check.F, ecco_readparms.F : bring logic up to date (using_tpj,
999        using_ers, using_gfo, using_mdt is now only defined within gencost)
1000    o pkg/ecco: extend generic cost capabilities
1001      - pkg/ecco : added 3D gencost (ALLOW_GENCOST3D), added gencost
1002        capabilities via gencost_preproc (+ _c,_i,_r related params),
1003        gencost_posproc (+ _c,_i,_r related params), gencost_nrecperiod,
1004        gencost_outputlevel arguments to cost_generic
1005      - pkg/ecco/cost_genread.F (new) : interface between cost_generic
1006        and active_read, making room for gencost_preproc to take effect.
1007        Added preproc code ('climmon') to replace GENERIC_BAR_MONTH.
1008      - pkg/ecco/cost_generic.F :
1009        compute and store misfit maks*(model-data) in localdif that is
1010        then used in cost and for output, output misfit if outlev.GT.0
1011      - pkg/ecco/cost_averagesfields.F : depend on gencost_barskip
1012        rather gencost_barfile for deciding whether to write barfile
1013      - pkg/ecco/ecco_cost_driver.F : extract call to cost_profiles from cost_hyd
1014      - pkg/ecco/ecco_cost_init_fixed.F : extract gencost weights from
1015        ecco_cost_weights, re-activate ecco_summary, determine gencost_barskip
1016      - pkg/ecco/ecco_summary.F : report gencost variables
1017      - pkg/ecco/cost_gencost_customize.F : treat case of scatterometer costs
1018    o pkg/sea/SEAICE_OPTIONS.h : add ALLOW_COST_ICE, ALLOW_SEAICE_COST_SMR_AREA
1019    o pkg/ecco: internal re-organization
1020      - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl
1021        (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,
1022        mv relevant variables definition from ecco_cost.h to ecco.h,
1023        make sure gencost routines only include ecco.h)
1024      - throughout : add missing CCP switches, rm unused variables,
1025        and rm un-necessary CPP switches
1026      - throughout gencost routines : replace modelstartdate with
1027        gencost_startdate when needed
1028      - cost_bp_read.F : use arguments, instead of common blocs
1029        so that it can be used also by (new) cost_gencost_bpv4.F
1030      - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0
1031      - ecco_phys.F : compute etanFull
1032      - ecco_readparms.F : rename using_topex as using_tpj, add
1033        bpv4-grace to gencost list, initialize added parameters
1034      - ecco_summary.F : include SIZE.h needed for augmented ecco.h
1035    
1036    checkpoint65e (2014/09/28)
1037    o pkg/obcs:
1038      - replaced the just-added CPP options with run-time variables
1039        (see pkg/obcs/OBCS_PARAMS.h for details)
1040    o pkg/obcs:
1041      - add additional CPP options for sponge boundary layers
1042        (see pkg/obcs/OBCS_OPTIONS.h for details)
1043    o pkg/atm_phys:
1044      - implement simple (obliquity only, assuming circular planet orbit)
1045        seasonal cycle for incoming insolation ; used when run-time parameter
1046        "select_incSW" is set to 1 ; by default (=0), uses old unchanged formula.
1047    o pkg/exf, pkg/ecco, pkg/ctrl:
1048      - add ctrlUseGen and .NOT.ctrlUseGen exclusive brackets
1049      - activate gentim2d for xx_atemp,xx_aqh,xx_swdown,xx_lwdown,xx_precip
1050      - implement gentim2d for xx_tauu, xx_tauv
1051    o pkg/ctrl, pkg/ecco :
1052      - fix and complement the generic controls implementation
1053    o pkg/exf/exf_getclim.F, exf_getffields.F, exf_getsurfacefluxes.F,
1054        pkg/shelfice/shelfice_thermodynamics.F,
1055        verification/hs94.1x64x5/code_ad/ctrl_map_gentim2d.F,
1056        verification/hs94.1x64x5/code_oad/ctrl_map_gentim2d.F :
1057      - add weight in CTRL_GET_GEN calls
1058    o pkg/ctrl :
1059      - ctrl_get_gen.F : add weight as input parameter, and apply
1060        it directly rather than using smooth_correl2Dw (to be retired).
1061      - ctrl_map_gentim2d.F : add wgentim2d in CTRL_GET_GEN call
1062    o pkg/ctrl :
1063      - introduce run time switch ctrlUseGen (in ctrl.h, ctrl_check.F,
1064        ctrl_init_variables.F, ctrl_readparms.F, ctrl_summary.F)
1065      - re-activate ctrl_summary (call in ctrl_init.F)
1066    o pkg/ctrl/ctrl_cost_gen.F :
1067      - fix CCP brackets, remove un-necessary myiter, mytime
1068    o pkg/ecco, pkg/ctrl :
1069      - remove cost_genctrl.F (now pkg/ctrl/ctrl_cost_driver.F)
1070      - remove cost_forcing_gen.F (now pkg/ctrl/ctrl_cost_gen2d.F)
1071      - add ctrl_cost_driver.F (replaces pkg/ecco/cost_genctrl.F)
1072      - add ctrl_cost_gen2d.F (replaces pkg/ecco/cost_forcing_gen.F)
1073    
1074    checkpoint65d (2014/09/15)
1075    o pkg/ctrl/CTRL_GENARR.h, ctrl_readparms.F :
1076      - add xx_genarr2d_bounds,xx_genarr3d_bounds,
1077        xx_genarr2d_numsmooth, xx_genarr3d_numsmooth
1078    o pkg/ctrl/ctrl_map_ini_genarr.F :
1079      - remove compilation failure
1080      - replace hard coded example
1081      - use ctrl_map_ini_gen2D, 3D
1082    o pkg/ctrl/ctrl_pack.F, ctrl_unpack.F :
1083      - on/off switch based upon xx_genarr2d_weight,3d
1084    o src/packages_init_variables.F :
1085      - regroup pkg/estimation calls
1086      - remove CTRL_MAP_INI, CTRL_MAP_INI_ECCO
1087        (moved to ctrl_init_variables)
1088    o cost/cost_init_varia.F :
1089      - remove ecco_cost_init_varia
1090        (moved to ecco_init_varia)
1091    o ctrl/ctrl_init_variables.F :
1092      - add CTRL_MAP_INI, CTRL_MAP_INI_ECCO
1093      - add CTRL_MAP_INI_GENARR, SEAICE_CTRL_MAP_INI
1094    o ctrl/ctrl_map_ini.F :
1095      - remove ctrl_map_ini_genarr, seaice_ctrl_map_ini
1096        (moved to ctrl_init_variables)
1097    o ctrl/ctrl_map_ini_ecco.F :
1098      - remove ECCO_PHYS (mv to ecco_init_varia)
1099      - remove seaice_ctrl_map_ini (mv to ctrl_init_variables)
1100    o ecco/ecco_ad_diff.list :
1101      - add ecco_init_varia.f
1102    o ecco/ecco_init_varia.F
1103      - new routine
1104    o pkg/streamice:
1105      - move call to STREAMICE_INITIALIZE_PETSC from the_model_main.F
1106        to streamice_init_fixed.F ; fix setting of STREAMICEisOn.
1107      - from model/src, only call pkg/streamice routines if useStreamIce is TRUE.
1108    o pkg/generic_advdiff:
1109      - fix bug causing negatives in GAD_SMOLARKIEWICZ_HACK, introduced 8/8/2014.
1110    o pkg/exf:
1111      - exf_getffields.F : add xxg_atemp, xxg_aqh, xxg_swdown, xxg_lwdown,
1112         xxg_precip capability
1113      - exf_wind.F : no need for ALLOW_WSPEED_CONTROL cpp switch
1114    o pkg/ctrl:
1115      - ctrl_pack.F, ctrl_unpack.F : omit (un)packing of undefined xx_gentim2d
1116    o model/src/load_fields_driver.F :
1117      - move call to CTRL_MAP_GENTIM2D ahead of BULKF_FIELDS_LOAD, EXF_GETFORCING
1118        so xx_gentim2d can be applied to e.g. exf fields in a timely manner.
1119    o OpenAD verification experiments:
1120      - Include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h, and CTRL_OPTIONS.h
1121        in src files (to enable to skip the ECCO_CPPOPTIONS.h);
1122        for now, only in pkgs used in OpenAD verification experiments.
1123      - Change all except one (halfpipe_streamice) OpenAD experiments to use pkg
1124        specific option file (AUTODIFF_OPTIONS.h, COST_OPTIONS.h & CTRL_OPTIONS.h)
1125        instead of using ECCO_CPPOPTIONS.h (with all relevant options in it).
1126        This applies to both TAF (*/code_ad/) and OpenAD (*/code_oad/) tests.
1127    o OpenAD verification tests:
1128      - finish removing ALLOW_AUTODIFF_OPENAD (replaced by ALLOW_OPENAD);
1129      - finish replacing ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for
1130        tape/storage which are specific to TAF/TAMC) in pkgs used in OpenAD exp.
1131      - leave ALLOW_AUTODIFF_TAMC undef in OpenAD verification tests (*/code_oad/)
1132        and remove local copy of "tamc.h" (needed only if ALLOW_AUTODIFF_TAMC).
1133    o model/src & generic_advdiff:
1134      - change hard-coded loop-range in S/R APPLY_FORCING_T/S to set T & S
1135        forcing over 0:sNx+1, 0:sNy=1 (instead of just 1:sNx,1:sNy): Model
1136        dynamics requires valid tracer forcing only over tile interior but, for
1137        some diagnostics, may need to extend it over 1 point in tile halo region.
1138      - in gad_calc_rhs.F, update calls to gmredi_x/ytransport to get valid
1139        tendency over i,j_Min,Max range. This allows to simplfy i,j_Min,Max
1140        setting in temp/salt/ptracer_integrate.F
1141    o pkg/dic:
1142      - multiply tracer tendencies by maskInC (if ussing OBCS) before updating
1143        gchem tracers: this allows to skip the 2nd call to OBCS_APPLY_PTRACER
1144        in gchem_forcing_sep.F
1145    o pkg/autodiff & obcs:
1146      - add storage of current OB values for U & V (was already done for T & S).
1147    
1148    checkpoint65c (2014/08/30)
1149    o pkg/dic:
1150      - take out of dic_atmos.F the initialisation part (corresponding to istate=0)
1151        and move it to new S/R DIC_INI_ATMOS ; also simplify the dependencies for
1152        AD compilers (but still a Pb with multi-threading and Ajoint dependencies).
1153    o verification:
1154      - new experiment testing OBCS and DIC pkgs, using params & output from
1155        tutorial_global_oce_biogeo but limited to a sub-domain around Drake
1156        passage: take OBCS from the last year of a 2 yrs simulation and initial
1157        conditions from t=1.yr while keeping the same forcing.
1158    o model/src:
1159      - when allowFreezing=T, only reset below freezing initial Temp to Tfreezing
1160        (at any k) if checkIniTemp is not set to FALSE (default checkIniTemp=T).
1161    o pkg/diagnostics (Stats-Diags):
1162      - re-write S/R DIAGSTATS_CALC (more similar to TARGET_NEC_SX part) to:
1163        a) refine region where stats are computed, excluding where arrhFac=0 ;
1164        b) fix missing interior mask (use with OBCS) in 3-D fields statistics;
1165        c) extend regional stats over the region edges (for U or V pt location).
1166    o pkg/gchem:
1167      - add a (2nd) call to OBCS_APPLY_PTRACER in gchem_forcing_sep.F (needed since
1168        pkg/dic is currently changing/updating ptracers values beyond the OB).
1169    o verification (hs94):
1170      - convert Held & Suarez external_forcing.F (from hs94.cs, with Sigma-coords
1171        bits) to apply_forcing.F and undef USE_OLD_EXTERNAL_FORCING in experiments
1172        hs94.cs-32x32x5 and tutorial_held_suarez_cs ; also use the same version of
1173        apply_forcing.F in 2D hs94 (fwd, ad & oad) but keep LatLon hs94 unchanged.
1174    o pkg/ptracers:
1175      - implement Adams-Bashforth on pTracers (instead of on tracer tendency),
1176        switched on by setting PTRACERS_doAB_onGpTr=F (default set to doAB_onGtGs)
1177      - change exp4 secondary test (input.nlfs) to test AB on T & S & pTracer
1178        with AB-2 code (so that it get tested).
1179    o model/src:
1180      - allow to apply Adams-Bashforth on Temp & Salt (instead of on gT,gS)
1181        with AB-2 code (previously only available with AB-3 code).
1182        Also move the code (call to ADAMS_BASHFORTH S/R) form thermodynamics.F
1183        to temp/salt_integrate.F (since the 2nd part of gt/sNm1 update is done
1184        there, by calling CYCLE_AB_TRACER).
1185    o pkg/generic_advdiff:
1186      - change Tracer argument (drop bi,bj indices) in S/R GAD_CALC_RHS,
1187        GAD_C2_ADV_R, GAD_U3_ADV_R, GAD_C4_ADV_R, GAD_DIFF_R, GAD_BIHARM_R
1188        + also in GMREDI_X/Y/RTRANSPORT ; and update corresponding calls in
1189        S/R temp/salt/ptracers_integrate.F
1190    o model/src & pkg/ptracers:
1191      - remove common block variables gT,gS (in DYNVARS.h), except when
1192         USE_OLD_EXTERNAL_FORCING is defined; update TAF storage accordingly.
1193      - remove common block variable gPtr.
1194    o model/src & pkgs:
1195      - change gTracer (and/or tracer) argument (drop bi,bj indices) in S/R
1196         ADAMS_BASHFORTH(2&3), CYCLE_(AB_)TRACER, FREESURF_RESCALE_G,
1197         IMPLDIFF, SOLVE_TRIDIAGONAL & _PENTADIAGONAL, GAD_SOM_ADVECT,
1198         GAD_ADVECTION, GAD_CALC_RHS, GAD_IMPLICIT_R, TIMEAVE_CUMUL_DIF_1T
1199      + change accordingly all calling S/R.
1200      - use local temperature/salinity/ptracer tendency array (without bi,bj)
1201        in S/R temp/salt/ptracers_integrate.F
1202    o pkg/seaice:
1203      - move computation of stress contributions to rhsU/V in s/r seaice_lsr
1204        to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
1205      - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
1206        in seaice_lsr
1207      - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
1208        in s/r seaice_lsr_calc_coeffs
1209    o pkg/mdsio:
1210      - in MDS_READ/WRITE_FIELD, stop if file-name (+prefix) is too long
1211        (e.g., > MAX_LEN_MBUF -90 ) or, in INI_MODEL_IO, if mdsioLocalDir is
1212        too long (e.g., > MAX_LEN_FNAM/2 )
1213    
1214    checkpoint65b (2014/08/12)
1215    o pkg/matrix:
1216      - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
1217    o model/src:
1218      - fix initialisation of geothermalFile; compile geothermal-flux code in
1219        natl_box verification experiment.
1220    o model/src & pkg/down_slope:
1221      - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
1222      - in dwnslp_apply.F, update tracer tendency instead of the future tracer
1223        field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
1224        results at machine truncation level: update output of experiments
1225        global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
1226    o pkg/diagnostics (Stats-Diags):
1227      - do not cumulate the full volume when DIAGNOSTICS_FILL is
1228        called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
1229        This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
1230        times (but Min,Max and StD are still wrong).
1231    o model/src:
1232      - add geothermal flux forcing: read in ini_forcing.F as time-constant
1233        field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
1234    o model/src:
1235      - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
1236        _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
1237        arrays are already updated while adjustments (filters, conv.adjustment) are
1238        still applied later, in S/R TRACERS_CORRECTION_STEP.
1239    o model/src:
1240      - store in common bloc array "rhoInSitu" the virtual potential temperature
1241        anomaly that is used to compute geopotential: this make the atmos code
1242        more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
1243    o pkg/seaice/seaice_lsr.F
1244      - rename integer variable ilcall to ipass (that's what it is called
1245        in the residual diagnostics
1246      - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
1247        default) for improved non-linear convergence of the first few steps
1248      - adjust a few comments and add new ones to explain some of the store
1249        directives
1250    o pkg/generic_advdiff (& ptracers):
1251      - re-work the code to check for valid advection scheme and for minimum
1252        size of overlap (now stored in local common bloc in gad_advscheme.F)
1253    o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
1254      - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
1255      - add an auxilliary variable "bet" and fix store directives and keys in
1256        seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
1257        less exact gradients in my tests); but there are still
1258        recomputation warning (although gradients are sort of OK), when
1259        SEAICE_LSR_VECTORIZE is not defined, so this flag and
1260        SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
1261      - update verification experiments lab_sea.
1262      - change some comments in S/R seaice_calc_viscosities
1263    o model/src:
1264      - if staggerTimeStep=T, always apply exchange to velocity field in
1265        do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
1266        (independent of using multi-dim advection or not); no effect on FWD run
1267        but affects AD results (at machine truncation level): update output of
1268        experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
1269        and isomip (oad: 12.d).
1270    o pkg/generic_advdiff:
1271      - stop if doAB_onGtGs is set to FALSE but ignored
1272      - refine warning related to stability of tracer time-stepping
1273        regarding internal wave dynamics.
1274      - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
1275        on staggerTimeStep & implicitIntGravWave (will now get a warning
1276        if potentially unstable).
1277    o pkg/kl10:
1278      - add new pkg "kl10" for mixing due to internal wave breaking, from
1279        http://www.sciencedirect.com/science/article/pii/S1463500310000144
1280        (contribution from Jody Klymak), tested in verification experiment
1281        verification/internal_wave/input.kl10/
1282    o isomip experiment:
1283      - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
1284        (input.htd) and update the output.
1285    o cd_code experiments:
1286      - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
1287        #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
1288        global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
1289        update the corresponding output.
1290    o pkg/seaice:
1291      - reduce the number of include files and store directives in
1292        S/R seaice_lsr_tridiagu/v
1293      - change the order of loops in one case in S/R seaice_lsr_tridiagv
1294        (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
1295        get rid off one store directive (a TAF bug?)
1296      - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
1297        S/R seaice_lsr_tridiagv to change the loop range for consistency
1298      - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
1299      - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
1300        S/R seaice_lsr_tridiagu/v (requires update of
1301        offline_exf_seaice/input.dyn_jfnk)
1302    
1303    checkpoint65a (2014/07/27)
1304    o model/src:
1305      - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
1306        surrounding hFacC=1 @ edge of a step with different kSurfC on either side
1307        (topo in p-coords, ice-shelf in z-coords); update output of experiments
1308        tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
1309    o model/src:
1310      - collect momentum forcing tendency into local 2-D array (passed as argument
1311        to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
1312        parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
1313        affects results at machine truncation level (e.g., if using OBCS_SPONGE).
1314      - collect T & S forcing tendency into local 2-D array (passed as argument to
1315        apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
1316        affects results at machine truncation level (e.g., ocean: if using
1317        SHORTWAVE_HEATING ; atmos: if using FrictionHeating or (atm_Rq<>0) moist
1318        correction due to vertical advection).
1319      - update output of experiments: fizhi-cs-32x32x40 (13 digits),
1320        global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
1321        seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
1322        obcs_ctrl (ad & fwd grd @ 12 & 7).
1323    o pkg/ptracers & diagnostics:
1324      - use ptracers (short) name (instead of long one) to make ptracers diagnostics
1325        title (to avoid some unexpected truncation); sort out ptracers diags units.
1326      - collect ptracer forcing tendency into local 2-D array (passed as argument
1327        to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
1328    
1329    checkpoint65 (2014/07/18)
1330    o pkg/fizhi:
1331      - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
1332        affects results at machine truncation level. Update output of experiments
1333        fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
1334  o pkg/seaice: more clean up  o pkg/seaice: more clean up
1335    - rename TAF common block tapes to be more consistent and remove    - rename TAF common block tapes to be more consistent and remove
1336      unnecessary duplicates      unnecessary duplicates
1337    - add store directives to remove more recomputations,    - add store directives to remove more recomputations, but use smaller
1338      but use smaller tapes (and adjust keys) when      tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
1339      SEAICE_LSR_ADJOINT_ITER is undefined. The idea behind this flag is      The idea behind this flag is to reduce the memory footprint when the
1340      to reduce the memory footprint when the adjoint of the LSR is not      adjoint of the LSR is not required. As of now, defining the flag
1341      required. As of now, defining the flag SEAICE_LSR_ADJOINT_ITER      SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
1342      increase 4 common block tapes for 2D field by a factor of      a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
1343      SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h). For experiment      For experiment offline_exf_seaice, this means on a linux box with gfortran
1344      offline_exf_seaice, this means on a linux box with gfortran nearly      nearly a factor of 10 (but keep in mind there is mostly seaice code in
1345      a factor of 10 (but keep in mind there is mostly seaice code      this experiment):
     in this experiment)  
1346      > size mitgcmuv_ad      > size mitgcmuv_ad
1347      text    data        bss     dec        hex        text    data        bss     dec        hex
1348      5100659 1216  220458952  225560827  d71c8fb      5100659 1216  220458952  225560827  d71c8fb
1349      5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)      5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
1350      but only a moderate increase of 36% for global_ocean.cs32x15      but only a moderate increase of 36% for global_ocean.cs32x15:
1351      text    data        bss     dec        hex      text    data        bss     dec        hex
1352      6695027 1648 1014578664 1021275339 3cdf6ccb      6695027 1648 1014578664 1021275339 3cdf6ccb
1353      6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)      6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
1354    - note: there are still recomputations in global_ocean.cs32x15 and    - note: there are still recomputations in global_ocean.cs32x15 and
1355      the gradient agreement changes (gets a little worse)      offline_exf_seaice and the gradient agreement changes (gets a
1356        little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
1357    - in general, the AD gradients still are wrong    - in general, the AD gradients still are wrong
1358  o OpenAD  o OpenAD
1359    - clean up code_oad/ directories somewhat by moving files    - clean up code_oad/ directories somewhat by moving files

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