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revision 1.1954 by jmc, Sun Jan 5 20:16:53 2014 UTC revision 1.2268 by jmc, Mon Sep 19 18:56:46 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/exf:
8      - interpolation near South Pole: fix criteria on input field latitude.
9    o pkg/icefront & pkg/exf:
10      - move setting of icefront Sub-Glacial RunOff forcing (currently unused)
11        from pkg/exf (read from data.exf) to pkg/icefront (read from data.icefront)
12    o pkg/exf:
13      - replace CPP option ALLOW_EXF_OUTPUT_INTERP with run-time parameter
14        "exf_output_interp" (in namelist: EXF_NML_04); change output file name
15        (add suffix "_out" instead of a prefix); keep same record number as in
16        input file but always write record 1 first (to avoid a STOP in I/O S/R).
17        Change output file content by writing interpolated field before applying
18        land-sea mask (helpful for debug).
19      - 2 compon. vector interpolation with rotation: apply scaling factor on
20        each compon. (Eastward and Northward) just before rotation.
21    o pkg/bling:
22      - Cleaned package. Removed not needed code and comments.
23      - adjoint example now works
24        (MITgcm_contrib/verification_other/global_oce_biogeo_bling/code_ad)
25    o pkg/ptracers:
26      - add Bruno Deremble's code to complete the linear surface correction
27        for tracer conservation;
28      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
29    
30    checkpoint65y (2016/07/29)
31    o pkg/debug (stats):
32      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
33        proc/thread mapping);
34      - fix Min & Max for case where 1 thread has only empty tiles;
35      - use RL variable to count number of wet grid points (with big domain,
36        can be too large to fit into integer*4).
37    o pkg/monitor:
38      - use RL variable to count number of wet grid points (but used only for del2)
39      - add new routine to compute Advective CFL within tracer time-stepping with
40        writing delayed until next monitor output.
41    o pkg/obcs:
42      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
43    o pkg/cal:
44      - calandar-dump: treat case myTime < timePhase in the same way as in
45        eesupp/src/diff_phase_multiple.F (when not using calandar-dump).
46    o pkg/dic & seaice:
47      - fix compilation of ocean component for coupled atm+ocn model with
48        seaice dynamics & dic.
49    
50    checkpoint65x (2016/06/11)
51    o add a license text file in main MITgcm tree.
52    o added pkg/bling:
53      - intermediate complexity biogeochemical model
54      - see bling_description.txt for details
55      - verification experiment is global_oce_biogeo_bling (for now, in
56        Contrib/verification_other/); tested daily on baudelaire with gfortran.
57      - add entry point in pkg/gchem for new pkg "bling".
58    o pkg/seaice: fix tensile stength computation
59      - replace global field tensileStrength by tensileStrFac
60      - tensileStrFac can be computed once in S/R seaice_init_varia
61      - fortunately that does not affect any verification results
62    
63    checkpoint65w (2016/05/12)
64    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
65         with ECCO_CTRL_DEPRECATED defined
66    o verification/global_ocean.cs32x15:
67      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
68        with "selectNHfreeSurf=1".
69    o model/src (non-hydrostatic free-surface):
70      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
71        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
72      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
73        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
74        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
75        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
76      - Update output (changes at machine truncation level) of verification exp:
77        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
78        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
79    o pkg/seaice: ITD code
80      - fix picking up from a single category model by initialising
81        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
82      - split a long warning message in seaice_check_pickup.F into two lines,
83        because NEC SX-ACE cannot deal with the long line.
84    o model/src:
85      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
86    o pkg/seaice:
87      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
88    o pkg/seaice:
89      - add basal stress as parameterisation for grounding ice
90        following Lemieux et al. (2015)
91      - turn on by setting new parameter SEAICEbasalDragK2 to a value
92        larger than 0. Lemieux et al. (2015) recommend 15.
93      - The adjoint complains with extra recomputations so there is also a
94        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
95        order to postpone the problem
96      - compile the new code in lab_sea
97    o verification/halfpipe_streamice:
98      - update both TAF and OpenAD adm output (machine truncation differences)
99    
100    checkpoint65v (2016/04/08)
101    o verification/advect_xz:
102      - increase overlap size from 3 to 4 and add new secondary test for PQM
103        advection scheme (with mono & wino limiter).
104      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
105    o model/src:
106      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
107        added phi0Ref) to set vertical axis origin and phiRef origin;
108        keep Ro_SeaLevel for backward compatibility (with a warning).
109       According to coordinate and fluid type:
110        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
111        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
112        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
113        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
114      - remove Ro_SeaLevel from ATM experiment parameter files;
115      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
116        complement; update output.txt (changes at machine truncation level).
117    o pkg/seaice/seaice_evp.F
118      - simplify computation of deltaZ and zetaZ to simple averaging following
119        Bouillon et al. (2013). This removes a lot of code, but also changes
120        verification experiment lab_sea.hb87 -> updated
121    
122    checkpoint65u (2016/03/14)
123    o pkg/generic_advdiff:
124      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
125        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
126        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
127        testing and not for actual use.
128    o model/src:
129      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
130        origin r = rF(1);
131      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
132        in EOS for height coordinate: enable to include NH Pressure or to use
133        more accurate pressure vertical profile; options not linked to EOS type
134        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
135      - start to implement variable gravity (along vertical): for now, only with
136        z-coords (not even z*).
137      - add Ideal Gas equation of state for height coordinate.
138      - update OpenAD output (affected at machine truncation level) of exp:
139        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
140    o pkg/exf:
141      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
142        of exf interpolation (before any rescaling, rotation or interpolation
143        to velocity point) for each field that gets loaded from file. This option
144        identically mimics the input file organization (e.g. record numbers in year
145        by year input files) besides the change in horizontal grid.
146      - add rotateStressOnAgrid run-time switch so that wind stress fields
147        can be provided on the A-grid in zonal/meridional direction and
148        rotated on the fly. This only applies to the case when the exf
149        interpolation is off and rotateStressOnAgrid is false by default.
150    o model/src:
151      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
152        it's also used with pkg/atm_phys) and add few more parameters (but still
153        inactive, src code yet to come)
154    
155    checkpoint65t (2016/02/10)
156    o pkg/atm_phys:
157      - from Ruth Geen: add optical depth dependence on CO2 concentration.
158    o model/src:
159      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
160        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
161        Update output of exp. deep_anelastic (changes at truncation level).
162    o tools:
163      - add a hack in "remove_comments_sed" (used only with TAF) for recent
164        version of OpenMPI (shipped with FC.23): comment out the new header
165        file "mpif-sizeof.h" which causes problems to TAF.
166    o pkg/seaice:
167      - change the termination criterion so that maxits (SEAICElinearIterMax)
168        has an effect
169      - unify iteration parameters for implicit solvers (JFNK and Picard)
170        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
171        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
172        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
173        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
174        SEAICEnonLinTol     replaces JFNKgamma_nonlin
175      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
176      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
177        use with SEAICEuseKrylov
178    o pkg/seaice/seaice_lsr.F
179        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
180        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
181        an effect.
182    o pkg/seaice: add two new parameters
183      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
184        parameter is not in any namelist)
185      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
186        a preconditioner for the non-linear Newton iteration of the JFNK
187        solver
188    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
189      affects some experiments at truncation level:
190      - global_ocean.cs32x15.icedyn (11 digits),
191      - global_ocean.cs32x15.seaice (11 digits),
192      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
193      - also update global_ocean.cs32x15 adjoint and tangent-linear results
194    o pkg/salt_plume & pkg/thsice:
195      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
196        connect salt_plume flux to ATM-OCN coupling pkgs interface:
197       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
198         export to coupler interface) even without compiling pkg/salt_plume ;
199       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
200         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
201    o pkg/dic:
202      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
203        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
204        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
205      - move also update with values from ATM-OCN Coupler in the same new S/R
206        (previously done in ocn_apply_import.F).
207    o tools/adjoint_options:
208      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
209        has been changed on Jan 14, 2016.
210    o pkg/ggl90:
211      - add alternative discretisation of vertical shear (off by default), to
212        compute the mean (@ grid-cell center) of vertical shear compon instead of
213        vertical shear of mean flow (@ grid-cell center).
214      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
215        results on adjacent faces of cubed-sphere grids; this fix the restart.
216    o pkg/atm_compon_interf:
217      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
218        pass last value, stored directly before export to CPL ;
219        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
220      - remove atmSLPr from pickup files (no longer needed for restart)
221    
222    checkpoint65s (2016/01/13)
223    o eesupp & genmake2:
224       - first check for Function ETIME and, if it fails, then check for subroutine
225         ETIME and consistent output; use the appropriate version in timers.F
226    o model/src:
227      - to check restart test, add option to apply EXCH to U,V earlier, just before
228        integr_continuity; turned off by default.
229    o pkg/dic:
230      - remove CPP option USE_ATMOSCO2 (not needed)
231    o tools/tst_2+2:
232      - try to ignore difference between +0 and -0 in binary file, causing test
233        to fail for no good reason.
234    o eesupp & genmake2:
235      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
236        but also check (in genmake2) that test runs and returns meaningful results.
237    o coupler pkgs:
238      Finish implementation of optionally-exchanged variable switches (started on
239       Nov 12) with addition of few more exchanged fields, including 2-way exchange
240       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
241       advection in OCN component; this requires sequential coupling.
242      coupler (pkg/atm_ocn_coupler):
243      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
244        routines (useful for debug).
245      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
246         flux, DIC fields) if corresponding switch is ON.
247      - add option to export RunOff to OCN (to use for DIC river input)
248      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
249      components (pkg/atm_ & ocn_compon_interf):
250      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
251        optionally exchanged fields; add a check & stop in cpl_readparms.F.
252        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
253        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
254      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
255        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
256      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
257      - hold in common block coupler optionally-exchanged variable switch
258        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
259      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
260        this is intended to replace the OCN cplFldtave.* output files (not updated
261        to contain new additional exchanged fields).
262    o pkg/dic:
263      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
264    o pkg/thsice:
265      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
266        and writing of thsice pickup files.
267    o pkg/atm_compon_interf:
268      - move all field individual export-call out of cpl_export_import_data.F
269        into new S/R ATM_EXPORT_FIELDS
270    o pkg/atm_compon_interf:
271      - store state variables (for now, only thSIce fields) just before beeing
272        exported (in cpl_export_import_data.F, like on ocean side) instead of from
273        atm_store_my_data.F like all exported fluxes.
274      - new version of pickup_cpl: write field names into meta file and read meta
275        file to find field postion in pickup. Also only write/read fields meeded for
276        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
277    o pkg/dic:
278      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
279    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
280        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
281        value can be from domain [0,1] to average between the two methods
282    o pkg/atm_phys:
283      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
284        hold fixed in time).
285    
286    checkpoint65r (2015/12/21)
287    o pkg/seaice:
288        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
289        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
290    o pkg/seaice:
291      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
292        when SEAICEscaleSurfStress=.TRUE.,
293      - apply areaW and areaS in S/R seaice_calc_lhs
294    o pkg/atm_phys:
295      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
296        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
297        for individual contribution (convection, LSC cond, radiation)
298      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
299        information); activated with: solar_exponent=0. and wv_exponent=-1.
300    o pkg/ggl90:
301      - within IDEMIX add upper limit for horizontal group velocity to
302        avoid instability problems in the explicit horizontal diffusion term for
303        long time steps or high resolution
304    o pkg/diagnostics:
305      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
306        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
307    o testreport:
308      - remove "-v" (verbose option) in default mpirun command.
309    o pkg/seaice/seaice_growth:
310      - catch potential division by zero in ITD code, does not change
311        verification results
312    o pkg/ecco:
313      - retire old codes to the Attic. The calls to retired functions are
314        left in a commented form in case they ever need to be re-activated.
315      - ecco_check.F: issue warning if any old CPP option is
316        defined that corresponds to retired codes -- then stop.
317    o pkg/atm_compon_interf:
318      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
319        coupler: use last time-step value instead of average over cplSendFrq_iter
320        time-step, similar to what is done for seaIceMass.
321        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
322    o eesupp & genmake2:
323      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
324        <= remove until a fix is found for some ifort version on ia32 machine.
325    o pkg/seaice/seaice_evp:
326      - refine residual computation
327    
328    checkpoint65q (2015/11/18)
329    o pkg/seaice/seaice_evp:
330      - fix residual computations so that they no longer affect the actual
331        simulation code
332      - fix seaice_readparams to be able to actually set new parameters
333        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
334    o model/src:
335      - fix wrong truncation (single prec) from "FLOAT" function in expressions
336        like: deltaT*FLOAT(myIter) when myIter is large:
337         a) replaced by DFLOAT (if not seen by TAF);
338         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
339    o pkg/aim_v23:
340      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
341        when pickupSuff is set ; do write rolling pickups + at the end of the run.
342    o pkg/atm_ocn_coupler + ocn_compon_interf:
343      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
344        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
345        add corresponding call in DO_OCEANIC_PHYS.
346    o coupler pkgs:
347      Start a new way to set-up optionally-exchanged variables (previously, only
348       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
349       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
350       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
351       compononent param default can be set accordingly).
352      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
353       but rather applies to a group a fields (going both ways like for DIC)
354       and corresponds to an option of coupling config.
355      coupler (pkg/atm_ocn_coupler):
356      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
357        and read namelist directly (without eessup S/R calls) instead of
358        in the very un-flexible old way, 1 param per line, in fixed order;
359      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
360        cleanly in CPL_CHECK_CPLCONFIG
361      - add new coupling-exchange selectors (some not yet active) including
362        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
363                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
364      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
365        component ; called directly from coupler.F, after comp. registrations;
366      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
367         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
368          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
369      components (pkg/atm_ & ocn_compon_interf):
370      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
371        CPP header file in all pkg source files.
372      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
373        ATM/OCN_CHECK_CPLCONFIG;
374      - add error-counter to track errors (e.g., in "data.cpl") and to stop
375        cleanly in ATM/OCN_CHECK_CPLCONFIG;
376      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
377        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
378        before PACKAGES_READPARMS;
379      verification/cpl_aim+ocn/:
380      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
381        "data.cpl" for coupler (in input_cpl).
382    o eesupp/inc:
383      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
384        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
385        to always cumulate tile local-sum in the same order (still uses
386        MPI_Allreduce like standard code).
387      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
388        that are now identical to standard version (in eesupp/inc).
389    o pkg/shelfice:
390      - add SHELFICETransCoeffTFile for initializing spatially varying
391        heat and salt transfer coefficients
392    o pkg/atm_compon_interf & ocn_compon_interf:
393      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
394        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
395      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
396    o pkg/atm_ocn_coupler:
397      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
398    o pkg/rbcs:
399      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
400        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
401      - add a short report (to STDOUT) about RBCS-mask settings.
402    
403    checkpoint65p (2015/10/23)
404    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
405        there is no adjoint test for EVP, we don't know what it does to the adjoint
406        solution, but at least there are no more recomputation warnings left
407    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
408        a chance of giving the same results as a fully converged VP (JFNK) solver
409    o tools/adjoint_options/adjoint_diva:
410      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
411    o pkg/streamice:
412      - spotted bug in streamice_driving_stress using dyG where should have been dxG
413    o pkg/exf:
414      - remove STOP statement that prevented to use wind or (wind-)stress
415        interpolation for constant-in-time forcing fields (wind/stress period = 0).
416    o pkg/seaice:
417      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
418        5 additionals 2D fields and 6 new store directives
419      - change logic in seaice_readparms.F: EVP code can now be turned on in
420        various ways, setting SEAICE_deltaTev is no longer required,
421        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
422        or SEAICEaEVPcoeff
423    o pkg/shelfice/shelfice_thermodynamics.F
424      - redefining uLoc/vLoc to u/v, instead of 2u/v
425    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
426      - this is an intermediate state of a truely converging EVP that has
427        the potential of outperforming implicit VP methods, I do not recommend
428        using it yet.
429      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
430        and all parameters are hardwired
431      - for convergence it still requires very smooth regularisations, that means,
432        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
433        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
434        specific averaging appears to be required, still subject to tuning
435      - still needs cleaning and I need to turn parameter into runtime parameters
436      - add code to compute and print residuals of iteration, compile with
437        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
438    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
439      that entered with r1.54 on Sep04, 2015, -> update results
440    
441    checkpoint65o (2015/09/14)
442    o pkg/mom_vecinv & mom_common:
443      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
444        called from there.
445      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
446        allows to use Vector-Invariant form in deep atmos and anelastic formulation
447    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
448      and Koenig-Beatty+Holland (2012)
449      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
450      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
451      - requires an extra input argument for S/R seaice_calc_viscosities
452      - tensileStrength's depth dependence is different from Itkin et al. (2015)
453        (to be changed and played with, for now exponential)
454    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
455      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
456        by AREA according to Connelly et al. (2004), JPO.
457      - For EVP and the LSR solver, the implicit part of the drag term is
458        the only non-zero term in the denominator when there is no ice (which
459        prevented running the model with zero ice-ocean drag). If
460        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
461        (or zero main diagonals BU/BV) which need to be caught. A practical
462        consequence is that for open water, the momentum equation reduce
463        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
464        they happen to be zero, often leading to a non-zero solution over
465        open water.
466    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
467        efficient EVP method.
468      - introduce area-weighted averages for e12 (analogously to
469        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
470        remain, but also changing the order of terms in the previous average
471        changed the results as much) -> update experiment
472      - add SEAICE_DELTA_SMOOTHREG code
473      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
474        TEM-code
475      - adjust loop bounds so that only required fields are computed
476      - add new averaging code for zetaZ/deltaZ (again similar to
477        seaice_calc_viscosities.F), inactive by default for now (will change
478        results again), but will replace old code eventually
479    o eesupp/src:
480      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
481        to always cumulate tile local-sum in the same order
482        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
483        Still uses MPI_Allreduce (like standard code) but on array of tiles
484        and should be faster than GLOBAL_SUM_SEND_RECV code.
485      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
486        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
487      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
488         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
489         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
490         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
491         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
492    
493    checkpoint65n (2015/07/29)
494    o pkg/thsice:
495      - add a warning when used with pkg/aim but without updating SST
496        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
497    o pkg/offline:
498      - change where Offline-Fields are loaded, from load_fields_driver.F to
499        directly within FORWARD_STEP, just after updating iter number and time;
500      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
501        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
502       These changes allow:
503        a) to recover exactly on-line results using deltaToffline=deltaTClock,
504        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
505        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
506        time-step, both with GM & KPP files and with recomputing these fields;
507        b) no needs to switch on staggerTimeStep anymore;
508        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
509      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
510    o pkg/offline:
511      - change (rarely used) offset-iteration parameter to an offset time (in s):
512        can easily recover previous offset-iter effect by setting offset-time
513        (offlineTimeOffset) to offset-iter x deltaToffline;
514      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
515        in KPP as part of surface buoyancy forcing) in offline run.
516      - fix ptracers KPP non-local term in the case where KPP is re-computed.
517    o OpenAD
518      - Adding preliminary ggl90 test to OpenAD verification.
519        Config. with ggl90 currently diverges after 64 time steps
520        so will need more work to become more stable
521      - Adding preliminary kpp test to OpenAD verification.
522        required small tweakes in kpp_routines.F
523      - Merge and update from Krishna Narayanan's contrib area:
524        * Add one variable for preliminary OpenAD DIVA
525        * Add replacement time-stepping for OpenAD DIVA
526        * genmake2 flag -diva (but only for OpenAD; preliminary)
527        * required modifs for OAD_support
528        successful preliminary test for tutorial_global_oce_biogeo/
529    o pkg/seaice:
530      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
531      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
532        delta with a smooth function in s/r seaice_calc_viscosity
533        (no effect on EVP)
534      - rename local suffix "sqr" into "sq" for more consistent variable names
535    o pkg/seaice:
536        add new parameter SEAICE_deltaMin that is used ***only***
537        for regularizing Delta (and nothing else, like the parameter
538        which is also used for all sorts of things SEAICE_EPS).
539        Defaults to SEAICE_EPS for backward compatibility only.
540    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
541        the wrong key by inialising it before use -> fixes a recomputation
542        problem but does not fix the gradient
543    o pkg/layers:
544      - move resetting of flux arrays to outside the iLa loop
545        (this caused layers_diapycnal to not work with more than one layer coord.)
546      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
547    o pkg/layers:
548      - remove from common block 3D layers fields (used to diagnose transport
549        in tracer coords) and declare them as local arrays in layers_calc.F
550    o pkg/seaice:
551      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
552        in lab_sea forward experiment (changes results -> updated)
553      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
554    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
555       computations; for SEAICE_VECTORIZE_LSR
556      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
557        sweep to the outside,
558      - remove store directives and add "CADJ loop sequential" directives
559        in analogy to model/src/solve_tridiagonal.F
560      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
561        boundaries to yield more readable code. This has also the charming side
562        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
563        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
564        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
565        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
566        an additional option)
567       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
568       but the adjoint gradients (which are affected by this change) still explode.
569    o coupler (atm & ocn _compon_interf):
570      - avoid using Exch2 IO mapping if not suitable.
571    
572    checkpoint65m (2015/06/15)
573    o pkg/layers:
574      - clean-up old parameters setting (from Sep 2012):
575        + remove old parameters setting from common block (declared locally);
576        + stop if any old parameter is mixed with new parameters;
577        + check for valid or consistent parameter setting (e.g., layers_name)
578      - check that layers_bounds for Pot.Density are in the right range;
579        this is supposed to catch un-updated setting after recently shifting
580        potential density field "prho" by -1000 (now in "sigma" scale).
581    o pkg/layers:
582      - Added missing call to layers_fill for keeping track of tottend in
583        pkg/diagnostics/diagnostics_fill_state.F
584    o pkg/layers:
585      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
586        of diapycnal fluxes
587    o pkg/layers:
588      - reverted changes to interpolation to previous treatment; there
589        was never actually a problem
590    o pkg/layers:
591      - fix interpolation of layers tracers in the presence of partial cells
592      - add lots of new functionality to compute water mass transformation
593        (enabled by CPP flag LAYERS_THERMODYNAMICS)
594      - add new calls from main code (diags_oceanic_surf_flux.F,
595        thermodynamics.F, impldiff.F) and gad to save the necessary fields
596        for layers_thermodynamics calculations
597    o pkg/ptracers:
598      - add capability of stepping a passive tracer forward without advection
599        by setting PTRACERS_advScheme to 0.
600    o pkg/diagnostics:
601      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
602    o pkg/layers:
603      - shift potential density field "prho" by -1000 for density layer averaging so
604        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
605        Note that density bin boundaries (layers_bounds in data.layers) have
606        to be set accordingly (i.e., shifted, in sigma scale).
607    o pkg/layers:
608      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
609      - fix calculation of layer non-weighted velocity and layer probability
610      - add diagnostics for pot.density used for layer averaging
611    o pkg/seaice:
612      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
613        positiveness, modify a few comments and improve variable names,
614      - the changed computation of deltaC affects most seaice-related
615        experiments at the truncation level.
616        seaice_itd.thermo is affected by far the most, with
617        only 7 digits of agreement remaining; update experiments.
618    
619    checkpoint65l (2015/05/04)
620    o pkg/shelfice:
621      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
622        factor drKp1 to zero where it is negative (ie. do not use
623        SHELFICEBoundaryLayer if hFacC>1)
624      - the same for factor drLoc in shelfice_forcing.F
625    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
626        with modules in ptracers, when using testreport option "-small_f"
627    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
628      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
629    o verification/testreport
630      - add new option -small_f
631        with this option testreport first makes the target small_f (*.f files)
632        before running make (all). This is useful for explicit inlining when
633        all sources need to be full available.
634    o pkg/exf/exf_interp.F:
635        remove previous changes related to reverse (decreasing) input grids latitude
636    
637    checkpoint65k (2015/04/01)
638    o pkg/ecco:
639        fix missing cosphi initialization; use eccoiter in place of optimcycle;
640        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
641        instead of active read/write
642    o pkg/ctrl:
643        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
644        instead of active read/write.
645    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
646        return if .NOT.useAUTODIFF
647    o pkg/seaice: add CPP brackets (cost function related).
648    o model/src:
649        add useAUTODIFF run time switch.
650    o pkg/exf/exf_interp.F:
651        add code to allow input grids with latitude starting in the north (i.e. when
652        j=1 corresponds to northern edge of field); modify global_with_exf to test
653        this feature.
654    o verification/testreport:
655      - replace "grep -A3" with POSIX conformal sed command, because there are
656        implementations of grep that cannot do contextual searches
657      - replace "cat -n" by "nl" (two occurrences), because not all implementations
658        of "cat" have the option "-n"
659    o model/src:
660        add new file gsw_teos10.F that contains 3 functions, more or less a copy
661        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
662        convert from conservative to potential temperature. For now they are not
663        called anywhere.
664    o pkg/ggl90: make "useIDEMIX" useful
665      - re-organize code in s/r ggl90_calc a little to move computations that
666        are different for idemix into separate loops (changes verification
667        experiment idemix at truncation level, 12 digits remain -> updated)
668      - requires 2 new 2D fields KappaM, verticalShear
669      - make hFacI and recip_hFacI local 3D variables that are passed to
670        s/r ggl90_idemix
671      - fix and improve some comments
672    
673    checkpoint65j (2015/02/25)
674    o pkg/openad
675      - synchronize seawater.F with version in model/src: replace routine
676        body of sw_temp by calling sw_ptmp and fix/add a few comments.
677    o pkg/mnc:
678      - change default value of pickup_read/write_mnc params to FALSE
679        (since few features are missing in reading MNC pickup files).
680    o model/src:
681      - change default (background) vertical diffusivity for salt to be the
682        temperature (background) vertical diffusivity.
683      - change background vertical diffusivity in vertical mixing pkgs ggl90,
684        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
685        This makes ptracers default diffusivity (that uses salt diffKr) more
686        consistent with vertical mixing schemes.
687    o verification/testreport:
688      - fix typo in "-pcls" option ;
689      - put temp files in /tmp (instead of in local dir)
690      - add option "-ncad" to use genmake2 new option "-nocat4ad"
691      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
692    o pkg/ggl90 (idemix code):
693      - apply few fixes ; add some missing "_d 0" ; update output of exp.
694        global_ocean.90x40x15.idemix
695    o OpenAD
696      - enable active file I/O and begin removal of work-around code
697        for OpenAD for handling control variables (memory vs. active files)
698      - new CPP options file OPENAD_OPTIONS.h
699      - revert to genarr2d gradient check for hs94.1x64x5
700      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
701      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
702    o tools/genmake2:
703      - add option for an alternative Makefile (from Martin) where multiple
704        source files are sent to TAF (instead of all in one file).
705    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
706      - code provided by Carsten Eden as an extension of ggl90
707      - so far the code is turned on within ggl90 by setting a CPP-flag at
708        compile time; a runtime flag implementation is not yet complete
709      - tested in new verification experiment global_ocean.90x40x15.idemix
710    o verification:
711      - reduce length of the AD test run by half for experiments
712        global_ocean.cs32x15 (std + thsice) and isomip
713      - enable active file I/O for OpenAD, adjust verifications accordingly
714      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
715    o verification/testreport:
716      - fix two non-POSIX sed statements so that there are no error messages
717        on Mac OS X
718      - replace hostname -s with hostname | sed 's/\..*$//'
719    o model/src/seawater.F:
720      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
721        (following the matlab code), which would have avoided the bug caught
722        by Matt (see below) in the first place
723    o pkg/shelfice:
724      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
725        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
726      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
727        ice-shelf case (i.e., within surface level).
728      - add config summary in shelfice_check.F
729      - remove global variable recip_SHELFICElatentHeat and replace by a local
730        variable recip_latentHeat
731      - introduce diagnostics for friction velocity uStar (in case of
732        SHELFICEuseGammaFrict)
733      - change verification experiment isomip.htd:
734        + start from pickup (as input_ad at nIter0=8640)
735        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
736        + test SHELFICEuseGammaFrict = .TRUE.
737        + test SHELFICEadvDiffHeatFlux = .TRUE.
738    o model/src:
739      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
740        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
741        update output of experiments global_with_exf.yearly and isomip (all 6).
742    o pkg/shelfice:
743      - change setting of kTopC to also be zero where there is no ice-shelf.
744      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
745        ice-shelf is.
746      - first attempt to get RealFreshWaterFlux effects: for now, only without
747        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
748    o pkg/seaice: add the option to prescribe a fixed thickness PDF
749      for thermodynamic calculations
750      - because of divisions of the type 7/7 not exactly equal to 1, this change
751        affects results of some verification experiments by up to 4 digits:
752        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
753        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
754        adjoint: lab_sea, lab_sea.noseaicedyn
755        -> updated
756    
757    checkpoint65i (2015/01/23)
758    o model/src:
759      - change units of frictionHeating field from W to W/m^2
760      - fix bug in frictional heating from stratospheric drag in
761        S/R ATM_PHYS_TENDENCY_APPLY_V
762      - with synchronous time-stepping: move resetting to zero of frictionHeating
763        field from load_fields_driver.F to thermodynamics.F ;
764      - add diagnostics for frictional heating.
765    o model/src & gmredi K3D:
766      - add frictionHeating field to pickup-files (for synchronous time-stepping)
767      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
768      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
769        and name in pickup file).
770      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
771    o model/src:
772      - move (from ini_forcing.F) initialisation of all arrays in header file
773        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
774        (since Nov 2012) with option selectAddFluid=1.
775    o pkg/shelfice:
776      - change units (+ document) of newly added field "shelfIceMassDynTendency"
777      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
778    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
779    o pkg/seaice: two new runtime parameters:
780      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
781        long overdue
782      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
783        parameterization of tensil stress for fast ice (does not do anything yet)
784    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
785        for LSR: move checking overlaps out of JFNK-if-block
786    o pkg/atm_phys:
787      - move copy of grid and dynamical fields out of atm_phys_driver.F into
788        new S/R ATM_PHYS_DYN2PHYS.
789      - fix level height for Linear Free-Surf case (to be consistent with
790        fixed-in-time pressure levels).
791    o pkg/mom_common (bottomdrag):
792      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
793        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
794        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
795    o pkg/shelfice (u/v_drag):
796      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
797      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
798        (now similar to shelfice_u_drag.F)
799      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
800        from mom_vecinv.F (similar to mom_fluxform calls).
801    o pkg/mom_common (bottomdrag):
802      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
803      - add options for alternative discretisation of velocity norm in quadratic
804        bottom drag: averaging of grid-cell-center KE to U.point and V.point
805        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
806        improves when averaging only the other component (e.g. vVel for U bottom
807        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
808      - add options (bottomVisc_pCell) to account for partial-cell in bottom
809        friction (no-slip BC) thus getting the true distance from the bottom;
810        off by default since this also reduces model stability (explicit bottom
811        friction). Changes produce different machine truncation with linear-drag
812        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
813        front_relax (bvp & mxl, 10 & 11 digits).
814    o model/src & mom pkgs:
815      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
816        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
817      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
818        just copy level Nr value to level Nr+1.
819    o doc:
820      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
821    o pkg/shelfice:
822      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
823        SHELFICE.h: move array shelficemass to init_varia, initialise
824        from array shelficemassinit, which is set in init_fixed and
825        has option to be set from file; introduce array
826        shelficeMassDynTend array, set thru file in init_fixed
827      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
828        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
829        pkg/streamice
830      - shelfice_thermodynamics.F: call shelfice_step_icemass if
831        SHELFICEMassStepping = .true.
832      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
833    
834    checkpoint65h (2014/12/17)
835    o verification/global_ocean.90x40x15, global_ocean_ebm:
836      - update to generic controls.
837    o pkg/ctrl:
838      - ctrl_map_ini_genarr.F: test for igen>0
839      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
840      - move gentim2d part of ctrl_map_ini_genarr.F to
841        new separate routine : ctrl_map_ini_gentim2d.F
842      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
843        add time variable weights and cyclic controls (time mean,
844        seasonal cycle, etc) capabilities to gentim2d
845    o pkg/ecco:
846      - move reading of error, conversion to weights from
847        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
848    o global_oce_llc90, cs32:
849      - activte sbo.
850      - CTRL_SIZE.h : add maxCtrlProc.
851      - activate the new genctrl capabilities.
852      - update following reorganization of global_oce_input_fields.tar.gz  
853    o pkg/ctrl/ctrl_ad_diff.list:
854      - add missing ctrl_init_rec.f
855    o tools/OAD_support/keepOriginal:
856      - add ctrl_init_rec.F
857    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
858      - avoid recomputations of xx_gentim2d_dummy.
859    o momentum diagnostics:
860      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
861        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
862    o pkg/seaice/seaice_lsr.F:
863      - fix computation of BU/BV, make sure they are non-zero, only necessary
864        for cubed sphere exchanges and SEAICE_OLx/y>0.
865        This makes calling s/r fill_cs_corner_rl obsolete (removed).
866    o verification/global_ocean.cs32x15/input.seaice
867      - add test for strong implicit coupling and restricted addtive Schwarz
868        methods for LSR
869      - update results/output.seaice.txt
870    o verification/tutorial_global_oce_biogeo:
871      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
872        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
873        update output_adm,_oadm,_tlm.txt
874    o pkg/dic:
875      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
876      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
877        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
878    o verification/tutorial_global_oce_biogeo:
879      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
880        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
881        update output_adm,_oadm,_tlm.txt
882    o eesupp/src:
883      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
884        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
885    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
886      LSR (following Hutchings et al. 2004)
887      - introduce zetaZ as a global variable (requires adjustments in
888        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
889        in seaice_calc_viscosities.F
890      - new flag SEAICEuseStrImpCpl (default off)
891      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
892        momentum equations
893      - JFNK-solver (preconditioner) adjusted to allow using this method
894        (where it does not have any positive effect)
895    o pkg/seaice
896      - add overlap for restrictive additive Schwartz method also to LSR, but
897        turn it off by default (because it only seems to work for non-cubed
898        sphere/llc topologies)
899    o pkg/autodiff
900      - add extra exchanges in addummy_in_steppging also for mnc output
901    o pkg/seaice:
902      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
903        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
904    o pkg/obcs:
905      - add option to specify domain-connected piece Id along OB though files
906        (for now, only used to diagnose PhiVel; default =1 -> global correction)
907      - modify obcs_diag_balance.F to process each connected-part separately;
908        exclude OB where Id = 0 but keep the full divergence there (-> constant
909        Psi along this portion of OB and all inflow derived from grad(Phi))
910      - add example of OB-conect files in verification/so_box_biogeo/input.
911    o pkg/diagnostics:
912      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
913      a) use non zero matrix element across OB and solve for Phi 1 grid point
914         outside OB (i.e, where tracer OBCS are applied).
915      b) global imbalance of inFlow/outFlow across OB: instead of modifying
916         velocity across OB, spread it uniformly along the OB in the RHS.
917    
918    checkpoint65g (2014/11/19)
919    o pkg/diagnostcis:
920      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
921    o pkg/my82,pp81,kl10:
922      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
923        field diffKr as background diffusivity to set minimum diffusivity value.
924    o pkg/seaice:
925      - add new parameter SEAICEuseEVPrev (for revisited EVP by
926        Bouillon et al 2013)
927      - add SEAICE_evpAlpha/Beta to namelist
928      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
929        involve trivial re-ordering of divisions/multiplications that should not
930        have any effects, but ... they do change the results of lab_sea.hb87 so
931        that only 2 digits of agreement remain, in line with the general
932        instability/fragility of the evp-code. For now, I do not care and just
933        update the verification experiment
934    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
935      - remove xx_genarr2d_numsmooth etc
936      - use xx_genarr2d_preproc etc instead
937      - carry out smooth_correl2D at initialization stage rather than during
938        time stepping.
939      - get smoothOpNb from xx_gentim2d_preproc
940    o global_oce_cs32 :
941      - add test of generic ecco capabilities.
942    o pkg/exf/exf_getsurfacefluxes.F :
943      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
944    o pkg/ctrl,ecco :
945      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
946        is defined.
947    o pkg/seaice: add diagnostics for Delta (deformation parameter)
948    o model/src:
949      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
950        diffusivity (background) is specified but ignored.
951    o verification:
952      - in testreport, convert hostname to lower case for default output dir name
953    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
954    o pkg/dic: add modifications from Hajoon:
955      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
956      - light attenuation: add self-shading effect by climatological Chlorophyll
957        (read from file).
958    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
959        compiles when SEAICE_ALLOW_DYNAMICS is undefined
960    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
961        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
962        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
963        approach where CPP_OPTIONS.h includes an omnipotent
964        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
965    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
966        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
967    o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
968        to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
969        (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
970    o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
971      add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
972      - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
973      - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
974      - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
975    o pkg/ctrl,ecco,exf :
976      - remove variables associated with NON-generic costs,
977        unless ECCO_CTRL_DEPRECATED is defined.
978      - remove NON-generic NON-obcs controls,
979        unless ECCO_CTRL_DEPRECATED is defined.
980    o pkg/ctrl : added ctrl_local_params.h
981    o pkg/ecco : added ecco_local_params.h
982    o verification : added ECCO_CTRL_DEPRECATED to most as and oad
983        experiments, which will progressively be removed once the
984        experiments are revised to use only generic controls/costs.
985    
986    checkpoint65f (2014/10/13)
987    o pkg/ctrl, ecco, seaice : minor changes in headers
988    o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
989        cost function and control capabilities added since checkpoint65c.
990    o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
991    o pkg/ecco: increase modularity and improve logic
992      - ecco_toolbox.F (new) : basic operations that are often used,
993        including ecco_zero, ecco_cp, ecco_cprsrl, ecco_diffmsk,
994        ecco_addcost, ecco_add, ecco_div, ecco_readbar.
995      - cost_gencal.F (new) : determine filnames and records.
996      - cost_genread.F, cost_generic.F : condense code using ecco_toolbox.
997      - cost_generic.F : use spzeroloc rather than hard-coded -9999,
998        and exploit the above functions leading to more compact code.
999      - cost_genread.F : rm un-necessary arguments, re-arrange args order.
1000      - ecco_check.F, ecco_readparms.F : bring logic up to date (using_tpj,
1001        using_ers, using_gfo, using_mdt is now only defined within gencost)
1002    o pkg/ecco: extend generic cost capabilities
1003      - pkg/ecco : added 3D gencost (ALLOW_GENCOST3D), added gencost
1004        capabilities via gencost_preproc (+ _c,_i,_r related params),
1005        gencost_posproc (+ _c,_i,_r related params), gencost_nrecperiod,
1006        gencost_outputlevel arguments to cost_generic
1007      - pkg/ecco/cost_genread.F (new) : interface between cost_generic
1008        and active_read, making room for gencost_preproc to take effect.
1009        Added preproc code ('climmon') to replace GENERIC_BAR_MONTH.
1010      - pkg/ecco/cost_generic.F :
1011        compute and store misfit maks*(model-data) in localdif that is
1012        then used in cost and for output, output misfit if outlev.GT.0
1013      - pkg/ecco/cost_averagesfields.F : depend on gencost_barskip
1014        rather gencost_barfile for deciding whether to write barfile
1015      - pkg/ecco/ecco_cost_driver.F : extract call to cost_profiles from cost_hyd
1016      - pkg/ecco/ecco_cost_init_fixed.F : extract gencost weights from
1017        ecco_cost_weights, re-activate ecco_summary, determine gencost_barskip
1018      - pkg/ecco/ecco_summary.F : report gencost variables
1019      - pkg/ecco/cost_gencost_customize.F : treat case of scatterometer costs
1020    o pkg/sea/SEAICE_OPTIONS.h : add ALLOW_COST_ICE, ALLOW_SEAICE_COST_SMR_AREA
1021    o pkg/ecco: internal re-organization
1022      - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl
1023        (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,
1024        mv relevant variables definition from ecco_cost.h to ecco.h,
1025        make sure gencost routines only include ecco.h)
1026      - throughout : add missing CCP switches, rm unused variables,
1027        and rm un-necessary CPP switches
1028      - throughout gencost routines : replace modelstartdate with
1029        gencost_startdate when needed
1030      - cost_bp_read.F : use arguments, instead of common blocs
1031        so that it can be used also by (new) cost_gencost_bpv4.F
1032      - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0
1033      - ecco_phys.F : compute etanFull
1034      - ecco_readparms.F : rename using_topex as using_tpj, add
1035        bpv4-grace to gencost list, initialize added parameters
1036      - ecco_summary.F : include SIZE.h needed for augmented ecco.h
1037    
1038    checkpoint65e (2014/09/28)
1039    o pkg/obcs:
1040      - replaced the just-added CPP options with run-time variables
1041        (see pkg/obcs/OBCS_PARAMS.h for details)
1042    o pkg/obcs:
1043      - add additional CPP options for sponge boundary layers
1044        (see pkg/obcs/OBCS_OPTIONS.h for details)
1045    o pkg/atm_phys:
1046      - implement simple (obliquity only, assuming circular planet orbit)
1047        seasonal cycle for incoming insolation ; used when run-time parameter
1048        "select_incSW" is set to 1 ; by default (=0), uses old unchanged formula.
1049    o pkg/exf, pkg/ecco, pkg/ctrl:
1050      - add ctrlUseGen and .NOT.ctrlUseGen exclusive brackets
1051      - activate gentim2d for xx_atemp,xx_aqh,xx_swdown,xx_lwdown,xx_precip
1052      - implement gentim2d for xx_tauu, xx_tauv
1053    o pkg/ctrl, pkg/ecco :
1054      - fix and complement the generic controls implementation
1055    o pkg/exf/exf_getclim.F, exf_getffields.F, exf_getsurfacefluxes.F,
1056        pkg/shelfice/shelfice_thermodynamics.F,
1057        verification/hs94.1x64x5/code_ad/ctrl_map_gentim2d.F,
1058        verification/hs94.1x64x5/code_oad/ctrl_map_gentim2d.F :
1059      - add weight in CTRL_GET_GEN calls
1060    o pkg/ctrl :
1061      - ctrl_get_gen.F : add weight as input parameter, and apply
1062        it directly rather than using smooth_correl2Dw (to be retired).
1063      - ctrl_map_gentim2d.F : add wgentim2d in CTRL_GET_GEN call
1064    o pkg/ctrl :
1065      - introduce run time switch ctrlUseGen (in ctrl.h, ctrl_check.F,
1066        ctrl_init_variables.F, ctrl_readparms.F, ctrl_summary.F)
1067      - re-activate ctrl_summary (call in ctrl_init.F)
1068    o pkg/ctrl/ctrl_cost_gen.F :
1069      - fix CCP brackets, remove un-necessary myiter, mytime
1070    o pkg/ecco, pkg/ctrl :
1071      - remove cost_genctrl.F (now pkg/ctrl/ctrl_cost_driver.F)
1072      - remove cost_forcing_gen.F (now pkg/ctrl/ctrl_cost_gen2d.F)
1073      - add ctrl_cost_driver.F (replaces pkg/ecco/cost_genctrl.F)
1074      - add ctrl_cost_gen2d.F (replaces pkg/ecco/cost_forcing_gen.F)
1075    
1076    checkpoint65d (2014/09/15)
1077    o pkg/ctrl/CTRL_GENARR.h, ctrl_readparms.F :
1078      - add xx_genarr2d_bounds,xx_genarr3d_bounds,
1079        xx_genarr2d_numsmooth, xx_genarr3d_numsmooth
1080    o pkg/ctrl/ctrl_map_ini_genarr.F :
1081      - remove compilation failure
1082      - replace hard coded example
1083      - use ctrl_map_ini_gen2D, 3D
1084    o pkg/ctrl/ctrl_pack.F, ctrl_unpack.F :
1085      - on/off switch based upon xx_genarr2d_weight,3d
1086    o src/packages_init_variables.F :
1087      - regroup pkg/estimation calls
1088      - remove CTRL_MAP_INI, CTRL_MAP_INI_ECCO
1089        (moved to ctrl_init_variables)
1090    o cost/cost_init_varia.F :
1091      - remove ecco_cost_init_varia
1092        (moved to ecco_init_varia)
1093    o ctrl/ctrl_init_variables.F :
1094      - add CTRL_MAP_INI, CTRL_MAP_INI_ECCO
1095      - add CTRL_MAP_INI_GENARR, SEAICE_CTRL_MAP_INI
1096    o ctrl/ctrl_map_ini.F :
1097      - remove ctrl_map_ini_genarr, seaice_ctrl_map_ini
1098        (moved to ctrl_init_variables)
1099    o ctrl/ctrl_map_ini_ecco.F :
1100      - remove ECCO_PHYS (mv to ecco_init_varia)
1101      - remove seaice_ctrl_map_ini (mv to ctrl_init_variables)
1102    o ecco/ecco_ad_diff.list :
1103      - add ecco_init_varia.f
1104    o ecco/ecco_init_varia.F
1105      - new routine
1106    o pkg/streamice:
1107      - move call to STREAMICE_INITIALIZE_PETSC from the_model_main.F
1108        to streamice_init_fixed.F ; fix setting of STREAMICEisOn.
1109      - from model/src, only call pkg/streamice routines if useStreamIce is TRUE.
1110    o pkg/generic_advdiff:
1111      - fix bug causing negatives in GAD_SMOLARKIEWICZ_HACK, introduced 8/8/2014.
1112    o pkg/exf:
1113      - exf_getffields.F : add xxg_atemp, xxg_aqh, xxg_swdown, xxg_lwdown,
1114         xxg_precip capability
1115      - exf_wind.F : no need for ALLOW_WSPEED_CONTROL cpp switch
1116    o pkg/ctrl:
1117      - ctrl_pack.F, ctrl_unpack.F : omit (un)packing of undefined xx_gentim2d
1118    o model/src/load_fields_driver.F :
1119      - move call to CTRL_MAP_GENTIM2D ahead of BULKF_FIELDS_LOAD, EXF_GETFORCING
1120        so xx_gentim2d can be applied to e.g. exf fields in a timely manner.
1121    o OpenAD verification experiments:
1122      - Include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h, and CTRL_OPTIONS.h
1123        in src files (to enable to skip the ECCO_CPPOPTIONS.h);
1124        for now, only in pkgs used in OpenAD verification experiments.
1125      - Change all except one (halfpipe_streamice) OpenAD experiments to use pkg
1126        specific option file (AUTODIFF_OPTIONS.h, COST_OPTIONS.h & CTRL_OPTIONS.h)
1127        instead of using ECCO_CPPOPTIONS.h (with all relevant options in it).
1128        This applies to both TAF (*/code_ad/) and OpenAD (*/code_oad/) tests.
1129    o OpenAD verification tests:
1130      - finish removing ALLOW_AUTODIFF_OPENAD (replaced by ALLOW_OPENAD);
1131      - finish replacing ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for
1132        tape/storage which are specific to TAF/TAMC) in pkgs used in OpenAD exp.
1133      - leave ALLOW_AUTODIFF_TAMC undef in OpenAD verification tests (*/code_oad/)
1134        and remove local copy of "tamc.h" (needed only if ALLOW_AUTODIFF_TAMC).
1135    o model/src & generic_advdiff:
1136      - change hard-coded loop-range in S/R APPLY_FORCING_T/S to set T & S
1137        forcing over 0:sNx+1, 0:sNy=1 (instead of just 1:sNx,1:sNy): Model
1138        dynamics requires valid tracer forcing only over tile interior but, for
1139        some diagnostics, may need to extend it over 1 point in tile halo region.
1140      - in gad_calc_rhs.F, update calls to gmredi_x/ytransport to get valid
1141        tendency over i,j_Min,Max range. This allows to simplfy i,j_Min,Max
1142        setting in temp/salt/ptracer_integrate.F
1143    o pkg/dic:
1144      - multiply tracer tendencies by maskInC (if ussing OBCS) before updating
1145        gchem tracers: this allows to skip the 2nd call to OBCS_APPLY_PTRACER
1146        in gchem_forcing_sep.F
1147    o pkg/autodiff & obcs:
1148      - add storage of current OB values for U & V (was already done for T & S).
1149    
1150    checkpoint65c (2014/08/30)
1151    o pkg/dic:
1152      - take out of dic_atmos.F the initialisation part (corresponding to istate=0)
1153        and move it to new S/R DIC_INI_ATMOS ; also simplify the dependencies for
1154        AD compilers (but still a Pb with multi-threading and Ajoint dependencies).
1155    o verification:
1156      - new experiment testing OBCS and DIC pkgs, using params & output from
1157        tutorial_global_oce_biogeo but limited to a sub-domain around Drake
1158        passage: take OBCS from the last year of a 2 yrs simulation and initial
1159        conditions from t=1.yr while keeping the same forcing.
1160    o model/src:
1161      - when allowFreezing=T, only reset below freezing initial Temp to Tfreezing
1162        (at any k) if checkIniTemp is not set to FALSE (default checkIniTemp=T).
1163    o pkg/diagnostics (Stats-Diags):
1164      - re-write S/R DIAGSTATS_CALC (more similar to TARGET_NEC_SX part) to:
1165        a) refine region where stats are computed, excluding where arrhFac=0 ;
1166        b) fix missing interior mask (use with OBCS) in 3-D fields statistics;
1167        c) extend regional stats over the region edges (for U or V pt location).
1168    o pkg/gchem:
1169      - add a (2nd) call to OBCS_APPLY_PTRACER in gchem_forcing_sep.F (needed since
1170        pkg/dic is currently changing/updating ptracers values beyond the OB).
1171    o verification (hs94):
1172      - convert Held & Suarez external_forcing.F (from hs94.cs, with Sigma-coords
1173        bits) to apply_forcing.F and undef USE_OLD_EXTERNAL_FORCING in experiments
1174        hs94.cs-32x32x5 and tutorial_held_suarez_cs ; also use the same version of
1175        apply_forcing.F in 2D hs94 (fwd, ad & oad) but keep LatLon hs94 unchanged.
1176    o pkg/ptracers:
1177      - implement Adams-Bashforth on pTracers (instead of on tracer tendency),
1178        switched on by setting PTRACERS_doAB_onGpTr=F (default set to doAB_onGtGs)
1179      - change exp4 secondary test (input.nlfs) to test AB on T & S & pTracer
1180        with AB-2 code (so that it get tested).
1181    o model/src:
1182      - allow to apply Adams-Bashforth on Temp & Salt (instead of on gT,gS)
1183        with AB-2 code (previously only available with AB-3 code).
1184        Also move the code (call to ADAMS_BASHFORTH S/R) form thermodynamics.F
1185        to temp/salt_integrate.F (since the 2nd part of gt/sNm1 update is done
1186        there, by calling CYCLE_AB_TRACER).
1187    o pkg/generic_advdiff:
1188      - change Tracer argument (drop bi,bj indices) in S/R GAD_CALC_RHS,
1189        GAD_C2_ADV_R, GAD_U3_ADV_R, GAD_C4_ADV_R, GAD_DIFF_R, GAD_BIHARM_R
1190        + also in GMREDI_X/Y/RTRANSPORT ; and update corresponding calls in
1191        S/R temp/salt/ptracers_integrate.F
1192    o model/src & pkg/ptracers:
1193      - remove common block variables gT,gS (in DYNVARS.h), except when
1194         USE_OLD_EXTERNAL_FORCING is defined; update TAF storage accordingly.
1195      - remove common block variable gPtr.
1196    o model/src & pkgs:
1197      - change gTracer (and/or tracer) argument (drop bi,bj indices) in S/R
1198         ADAMS_BASHFORTH(2&3), CYCLE_(AB_)TRACER, FREESURF_RESCALE_G,
1199         IMPLDIFF, SOLVE_TRIDIAGONAL & _PENTADIAGONAL, GAD_SOM_ADVECT,
1200         GAD_ADVECTION, GAD_CALC_RHS, GAD_IMPLICIT_R, TIMEAVE_CUMUL_DIF_1T
1201      + change accordingly all calling S/R.
1202      - use local temperature/salinity/ptracer tendency array (without bi,bj)
1203        in S/R temp/salt/ptracers_integrate.F
1204    o pkg/seaice:
1205      - move computation of stress contributions to rhsU/V in s/r seaice_lsr
1206        to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
1207      - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
1208        in seaice_lsr
1209      - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
1210        in s/r seaice_lsr_calc_coeffs
1211    o pkg/mdsio:
1212      - in MDS_READ/WRITE_FIELD, stop if file-name (+prefix) is too long
1213        (e.g., > MAX_LEN_MBUF -90 ) or, in INI_MODEL_IO, if mdsioLocalDir is
1214        too long (e.g., > MAX_LEN_FNAM/2 )
1215    
1216    checkpoint65b (2014/08/12)
1217    o pkg/matrix:
1218      - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
1219    o model/src:
1220      - fix initialisation of geothermalFile; compile geothermal-flux code in
1221        natl_box verification experiment.
1222    o model/src & pkg/down_slope:
1223      - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
1224      - in dwnslp_apply.F, update tracer tendency instead of the future tracer
1225        field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
1226        results at machine truncation level: update output of experiments
1227        global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
1228    o pkg/diagnostics (Stats-Diags):
1229      - do not cumulate the full volume when DIAGNOSTICS_FILL is
1230        called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
1231        This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
1232        times (but Min,Max and StD are still wrong).
1233    o model/src:
1234      - add geothermal flux forcing: read in ini_forcing.F as time-constant
1235        field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
1236    o model/src:
1237      - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
1238        _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
1239        arrays are already updated while adjustments (filters, conv.adjustment) are
1240        still applied later, in S/R TRACERS_CORRECTION_STEP.
1241    o model/src:
1242      - store in common bloc array "rhoInSitu" the virtual potential temperature
1243        anomaly that is used to compute geopotential: this make the atmos code
1244        more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
1245    o pkg/seaice/seaice_lsr.F
1246      - rename integer variable ilcall to ipass (that's what it is called
1247        in the residual diagnostics
1248      - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
1249        default) for improved non-linear convergence of the first few steps
1250      - adjust a few comments and add new ones to explain some of the store
1251        directives
1252    o pkg/generic_advdiff (& ptracers):
1253      - re-work the code to check for valid advection scheme and for minimum
1254        size of overlap (now stored in local common bloc in gad_advscheme.F)
1255    o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
1256      - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
1257      - add an auxilliary variable "bet" and fix store directives and keys in
1258        seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
1259        less exact gradients in my tests); but there are still
1260        recomputation warning (although gradients are sort of OK), when
1261        SEAICE_LSR_VECTORIZE is not defined, so this flag and
1262        SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
1263      - update verification experiments lab_sea.
1264      - change some comments in S/R seaice_calc_viscosities
1265    o model/src:
1266      - if staggerTimeStep=T, always apply exchange to velocity field in
1267        do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
1268        (independent of using multi-dim advection or not); no effect on FWD run
1269        but affects AD results (at machine truncation level): update output of
1270        experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
1271        and isomip (oad: 12.d).
1272    o pkg/generic_advdiff:
1273      - stop if doAB_onGtGs is set to FALSE but ignored
1274      - refine warning related to stability of tracer time-stepping
1275        regarding internal wave dynamics.
1276      - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
1277        on staggerTimeStep & implicitIntGravWave (will now get a warning
1278        if potentially unstable).
1279    o pkg/kl10:
1280      - add new pkg "kl10" for mixing due to internal wave breaking, from
1281        http://www.sciencedirect.com/science/article/pii/S1463500310000144
1282        (contribution from Jody Klymak), tested in verification experiment
1283        verification/internal_wave/input.kl10/
1284    o isomip experiment:
1285      - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
1286        (input.htd) and update the output.
1287    o cd_code experiments:
1288      - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
1289        #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
1290        global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
1291        update the corresponding output.
1292    o pkg/seaice:
1293      - reduce the number of include files and store directives in
1294        S/R seaice_lsr_tridiagu/v
1295      - change the order of loops in one case in S/R seaice_lsr_tridiagv
1296        (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
1297        get rid off one store directive (a TAF bug?)
1298      - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
1299        S/R seaice_lsr_tridiagv to change the loop range for consistency
1300      - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
1301      - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
1302        S/R seaice_lsr_tridiagu/v (requires update of
1303        offline_exf_seaice/input.dyn_jfnk)
1304    
1305    checkpoint65a (2014/07/27)
1306    o model/src:
1307      - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
1308        surrounding hFacC=1 @ edge of a step with different kSurfC on either side
1309        (topo in p-coords, ice-shelf in z-coords); update output of experiments
1310        tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
1311    o model/src:
1312      - collect momentum forcing tendency into local 2-D array (passed as argument
1313        to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
1314        parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
1315        affects results at machine truncation level (e.g., if using OBCS_SPONGE).
1316      - collect T & S forcing tendency into local 2-D array (passed as argument to
1317        apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
1318        affects results at machine truncation level (e.g., ocean: if using
1319        SHORTWAVE_HEATING ; atmos: if using FrictionHeating or (atm_Rq<>0) moist
1320        correction due to vertical advection).
1321      - update output of experiments: fizhi-cs-32x32x40 (13 digits),
1322        global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
1323        seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
1324        obcs_ctrl (ad & fwd grd @ 12 & 7).
1325    o pkg/ptracers & diagnostics:
1326      - use ptracers (short) name (instead of long one) to make ptracers diagnostics
1327        title (to avoid some unexpected truncation); sort out ptracers diags units.
1328      - collect ptracer forcing tendency into local 2-D array (passed as argument
1329        to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
1330    
1331    checkpoint65 (2014/07/18)
1332    o pkg/fizhi:
1333      - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
1334        affects results at machine truncation level. Update output of experiments
1335        fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
1336    o pkg/seaice: more clean up
1337      - rename TAF common block tapes to be more consistent and remove
1338        unnecessary duplicates
1339      - add store directives to remove more recomputations, but use smaller
1340        tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
1341        The idea behind this flag is to reduce the memory footprint when the
1342        adjoint of the LSR is not required. As of now, defining the flag
1343        SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
1344        a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
1345        For experiment offline_exf_seaice, this means on a linux box with gfortran
1346        nearly a factor of 10 (but keep in mind there is mostly seaice code in
1347        this experiment):
1348        > size mitgcmuv_ad
1349        text    data        bss     dec        hex
1350        5100659 1216  220458952  225560827  d71c8fb
1351        5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
1352        but only a moderate increase of 36% for global_ocean.cs32x15:
1353        text    data        bss     dec        hex
1354        6695027 1648 1014578664 1021275339 3cdf6ccb
1355        6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
1356      - note: there are still recomputations in global_ocean.cs32x15 and
1357        offline_exf_seaice and the gradient agreement changes (gets a
1358        little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
1359      - in general, the AD gradients still are wrong
1360    o OpenAD
1361      - clean up code_oad/ directories somewhat by moving files
1362        dontCompile, dontTransform, keepOriginal to OAD_support/
1363    o model/src:
1364      - using MOM fluxform and Non-Lin Free-Surf with momDissip_In_AB=F
1365        (not currently tested): add dissipation terms before NLFS rescaling of
1366        tendencies (previously done after).
1367    o pkg/diagnostics:
1368      - write stats-diags in ascii file with more digits (same as in monitor).
1369    o pkg/down_slope:
1370      - drop the bi,bj dimension of argument recip_hFac in S/R DWNSLP_APPLY; with
1371        NLFS (not tested), use new recip_hFac value in order to conserve tracer.
1372    o model/src:
1373      - new file "apply_forcing.F" containing all the code previously in
1374        external_forcing.F, but with new argument list: pass, as new argument,
1375        the current level tendency array to update (instead of a direct update
1376        of the common bloc array). Change the corresponding calls.
1377      - add CPP option USE_OLD_EXTERNAL_FORCING (default is undef) to use
1378        EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility).
1379    o pkg/seaice/seaice_lsr, a little bit of clean up
1380      - rearrange some code blocks, so that now all calculations for
1381        setting up the right-hand-sides done within one single block
1382        (I find that easier to read and understand)
1383      - rearrange freedrift-code to reduce the number of ifdefs
1384      - adjust some indentations and comments
1385    
1386    checkpoint64z (2014/07/10)
1387    o model/src and several pkgs:
1388      - change argument list of all S/R called from external_forcing.F and
1389        called from ptracers_forcing.F (renamed to ptracers_apply_forcing.F)
1390        to pass, as argument, the current level tendency array to update
1391        (instead of a direct update of the common bloc array).
1392      - change also (in the same way) argument list of PTRACERS_APPLY_FORCING;
1393      - rename taueddy_external_forcing.f to taueddy_tendency_apply.F
1394    o pkg/seaice/seaice_lsr.F
1395      - always initialize local arrays in seaice_lsr_tridiagu/v
1396      - add more local tapes to seaice_lsr_tridiagu/v
1397      - move storing u/vice(:,:,bi,bj) out of seaice_lsr_tridiagu/v, but
1398        keep it in bi/bj loop; this seems to be essential
1399      - gradients are still wrong but only by 4-7 orders of magnitude
1400        instead of 15 orders of magnitude, lab_sea improves a little
1401    o pkg/seaice
1402      - (pkg/autodiff) remove storing/restoring of seaiceMaskU/V that
1403        generates unnecessary code in seaice_lsr_ad
1404      - add more store directives in seaice_lsr to avoid unnecessary code
1405        in seaice_lsr_ad
1406      - exclude some residual computations in seaice_lsr when
1407        ALLOW_AUTODIFF_TAMC is defined in order to avoid unnecessary code
1408        in seaice_lsr_ad
1409      - add more storing, a new tape (model/src/the_main_loop.F) and
1410        another key for SEAICE_LSR_VECTORIZE_ZEBRA (the local keys ilockey
1411        and klockey should be checked by a specialist)
1412      - modify ( define SEAICE_VECTORIZE_LSR and SEAICE_LSR_ADJOINT_ITER )
1413        and update lab_sea after previous changes in pkg/seaice below
1414    o pkg/autodiff:
1415      - introduce useSmoothCorrel2DinAdMode, SEAICEapproxLevInAd, and
1416        viscFacInAd : run time parameters allowing for adjoint switches
1417        note : logic for useSmoothCorrel2DinAdMode is in ctrl_readparms.F
1418    o pkg/ecco:
1419      - introduce cost_gencost_boxmean.F that computes a box mean
1420        temperature (for use in adjoint sensitivity studies).
1421    o model/src/set_defaults.F : initialize viscFacAdj to 1.
1422    o pkg/mom_common/mom_calc_visc.F:
1423      - ifdef ALLOW_AUTODIFF then include viscFacAdj factor.
1424    o pkg/seaice/seaice_summary.F:
1425      - statement for SEAICEadjMODE now in autodiff_readparms.F
1426    o pkg/seaice:
1427      - remove some store directives and add new ones in an effort to get
1428        finally rid off the recomputation warnings. This is successful
1429        when SEAICE_VECTORIZE_LSR ***and*** SEAICE_LSR_ADJOINT_ITER are
1430        defined (i.e. no extensive recomputation warnings left), but there
1431        are still too many recomputations on the solver iteration level
1432      - define SEAICE_VECTORISZE_LSR in offline_exf_seaice/code_ad/SEAICE_OPTIONS.h
1433      - move definition of MPSEUDOTIMESTEPS into TAMC-block in
1434        SEAICE_SIZE.h
1435      - add a store directive in S/R seaice_calc_viscosities
1436    o pkg/seaice (ITD code):
1437      - fix definition of Hlimit for multi-threaded case
1438      - use double precision arithmetic to compute Hlimit: this affects results;
1439        update output of experiment seaice_itd.
1440    o replace content of verification/seaice_itd
1441      - instead of a 1D column use the configuration of offline_exf_seaice
1442        to test the ice thickness distribution code with ridging
1443      - this is a first shot at this experiment
1444      - change of some defaults of ridging parameters SEAICEhStar (from
1445        100 to 25) and SEAICEmuRidging (from 5 to 3) in seaice_readparms.F
1446        and lot of new comments.
1447    
1448    checkpoint64y (2014/06/20)
1449    o pkg/seaice/seaice_reg_ridge.F:
1450      - modify the regularization of very small volumes of ice; only check
1451        total volume HEFF, and do not apply correction to individual ice
1452        classes because that leads to funny patterns in the heat and fw-fluxes
1453        into the ocean. Adjust seaice_itd/results/output.txt
1454      - replace nITD by SEAICE_multDim in loop-ranges
1455    o pkg/exf:
1456      - add code to process the case field period = -12. with UV interpolation.
1457      - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
1458        into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
1459    o verification/global_with_exf:
1460      - switch all fields period to -12. (was previously untested) in input/data.exf
1461        (but keep secondary test ".yearly" unchanged); update the reference output.
1462    o pkg/cal:
1463      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
1464    o pkg/exf:
1465      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
1466        to replace logical switch "exf_verbose"
1467      - report in STDOUT when loading a new record (if exf_debugLev >= 3)
1468    o pkg/sbo:
1469      - update from Katherine Quinn: evaluate mass directly from density and SSH
1470        (budget using Finite Volume method) instead of from bottom pressure.
1471      - allow testreport to collect few selected SBO output ; tested in exp.
1472        global_ocean.90x40x15 (after updating the results, to include SBO output).
1473      - fix some multi-threading issues (in output part).
1474    o model/src & most packages:
1475      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
1476      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
1477        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
1478        "data.{pkg}" exist ; and leave the S/R (return) just after.
1479      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
1480        + call LAND_READPARMS from packages_readparms.F
1481    o pkg/seaice:
1482      - remove code that resets useThSice in S/R seaice_readparms and
1483        replace it by a warning in S/R seaice_check
1484      - remove parameter MULTDIM, replace with nITD and runtime
1485        parameter SEAICE_multDim (still hard-wired to nITD if
1486        SEAICE_ITD is defined)
1487    
1488    checkpoint64x (2014/05/24)
1489    o verification/lab_sea:
1490      - update adjoint and TLM output following changes to pkg/salt_plume
1491      - un-do the update after putting back local recip_Cp in few places.
1492    o pkg/salt_plume: modifications by An Nguyen:
1493      - add capability to do brine rejection (salt-plume) as function of
1494        volume+tracers (instead of only salinity tracer).
1495      - conserve volume by exchanging volume from each kLev to above to
1496        accommodate in-coming brine volume
1497      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
1498      - switch KPP surf buoyancy due to brine forcing to 3-d
1499        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
1500      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
1501      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
1502        in East/West Arctic.
1503    o pkg/sbo:
1504      - incorporate modifications from Katherine Quinn to enable the use of sbo
1505        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
1506        output for future testreport verification (unfinished).
1507    o pkg/atm_phys:
1508      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
1509        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
1510        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
1511    o pkg/seaice
1512      seaice_calc_ice_strength.F: modify expression to avoid divisions
1513        (affects truncation)
1514      seaice_do_ridging.F: clean up the insectarium
1515      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
1516      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
1517      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
1518      - add some debugging information and error messages (warnings)
1519    o model/src: modifications relatd to atmosphere p*:
1520      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
1521      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
1522        of vertical profile tRef in geopotential background and anomaly.
1523      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
1524        and pkg/atm_phys.
1525      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
1526        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
1527    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
1528    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
1529        not used right now, but can be used in BGC packages to fix conservation.
1530    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
1531        other packages too.
1532    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
1533        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
1534    o model/src:
1535      - since we have several heat capacity (even in model/src), define "recip_Cp"
1536        as local variable (no longer in common block) to avoid any confusion.
1537      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
1538    o pkg/exf:
1539      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
1540        air density as function of air Temp, Humidity and atm pressure.
1541    
1542    checkpoint64w (2014/05/02)
1543    o verification:
1544      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
1545        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
1546        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
1547        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
1548        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
1549    o model/src: for atmosphere in p* coords:
1550      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
1551      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
1552        but not yet activated.
1553    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
1554      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
1555      - this changes the results (but not for any verification experiment, because
1556        none tests this), but avoids having an extra field in the restart files
1557    o pkg/seaice: remove global variable TICE (not needed)
1558      - replace by TICES or local variable where necessary (cost_seaice_test,
1559        seaice_diagnostics_state)
1560      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
1561      - use specific read/write routines for reading and writing individual leves
1562        of a multilevel field
1563    o pkg/ctrl & model/inc:
1564      - move additional anomaly fields of control vars (related to options:
1565         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
1566        from DYNVARS.h into new header file: CTRL_FIELDS.h
1567    o pkg/seaice: some small modifications to the ridging code
1568      - make fw2ObyRidge a global variable and add the freshwater flux to
1569        seaice_growth
1570      - pass actual thickness from seaice_prepare_ridging, so that it is
1571        computed only in one place and compute it in the same way as in
1572        seaice_growth
1573      - initialise more fields in seaice_do_ridging that where cause floating
1574        point exceptions over land
1575    o pkg/seaice: preparations for ridging code and first real ridging code
1576      - move most of "PART 1" of S/R seaice_growth into a new and separate
1577        S/R seaice_reg_ridge that will both regularize the state variable after
1578        advection call the actual ridging routine;
1579      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
1580        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
1581      - remove ridging code from seaice_advdiff
1582      - clean up remaining part 1 of seaice_growth in an attempt to make it
1583        more readable (this is probably subjective)
1584      - call seaice_itd_redist once in the initialisation phase to have the initial
1585        conditions in the correct category
1586      - finally: add new ridging routine for ITD code
1587    
1588    checkpoint64v (2014/04/11)
1589    o pkg/ecco:
1590      - add runtime parameters mdt[start,end]date[1,2]
1591      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
1592    o pkg/seaice:
1593      - make deltaC a global variable, so that it can be used in ridging code
1594      - first step towards ridging: introduce new routines that compute
1595        ice strength based on ridging parameters
1596      - add diagnostic for HSNOWITD
1597      - add opnWtrFrac as a global variable (required for ridging scheme)
1598    o pkg/salt_plume + pkg/seaice/seaice_growth.F
1599      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
1600        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
1601    o verification/hs94.1x64x5:
1602      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
1603      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
1604    o autodiff:
1605      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
1606        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
1607        For now, only in pkgs used in verification/hs94.1x64x5.
1608      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
1609        which are specific to TAF/TAMC).
1610      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
1611        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
1612        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
1613      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
1614        building mitgcmuv_ad (make adAll).
1615    o pkg/ecco:
1616      - cost_gencost_seaicev4.F:
1617         reformulate proxy cost as function of sst and local param SEAICE_freeze
1618         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
1619      - add stop statement if old names siv4-[sst,vol] are used
1620      - add snapshots + cost reports for atmospheric longwave
1621      - remove factor 0.1 in front of wtau[u,v]
1622      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
1623         ALLOW_TMI_SST_COST_CONTRIBUTION
1624    o pkg/atm_phys:
1625      - add some diagnostics for Short-wave and for convection S/R.
1626    o pkg/seaice/seaice_growth:
1627      - fix a bug in the lateral melt parameterization for SEAICE_ITD
1628        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
1629      - rearrange loop order for better vector code in the same code block
1630      - rewrite the floeDiameter formula to have fewer divisions
1631      -  (miraculously) none of this changes the results of seaice_itd
1632    o pkg/smooth:
1633      - move param smooth2Ddiffnbt to pkg/ecco
1634    o pkg/salt_plume:
1635      - salt_plume_frac.F:
1636         clean up local param names
1637         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
1638    o pkg/rw:
1639      - add RS version of S/R READ_MFLDS_LEV.
1640    o pkg/streamice:
1641      - fix the restart test by writing/reading pickup_streamice files.
1642    o pkg/seaice:
1643      - refine checks for jfnk-related parameters
1644      - comment out if statement with SEAICEuseIMEX parameter as long as there
1645        is no IMEX code to avoid confusion and surprises
1646    
1647    checkpoint64u (2014/03/07)
1648    o verification/MLAdjust:
1649      - rename secondary test suffix:
1650         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
1651         0.leithD -> AhFlxF  + switch to flux-form
1652         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
1653         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
1654    o pkg/mom_vecinv:
1655      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
1656        to be before mom_calc_visc.F)
1657      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
1658      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
1659        this is simpler for the adjoint and for diagnostics.
1660    o model/src + pkg/momentum:
1661      - add input files for  2-D additional Western and Southern cell-edge wall
1662         (e.g., to add "thin-wall" where it is =1).
1663      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
1664        using 2nd hFacZ that is computed from initial (fix domain) hFac
1665      - known limitations of thin wall implementation: not yet coded for sigma
1666        coords; not working with CD-scheme neither.
1667    o pkg/seaice:
1668      - rename recently introduced parameters from (wrong name) AB to
1669        BDF (backward difference time discretisation)
1670      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
1671    o tools/adjoint_options:
1672      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
1673    
1674    checkpoint64t (2014/02/01)
1675    o pkg/ecco
1676      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
1677        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
1678      - replace hard-coded record number and period which only work for monthly
1679        with read-in runtime param that works for other periods (month,day,year)
1680    o pkg/thsice
1681      - corrected store directive fixes thsice adjoint gradient checks
1682    o genmake2 & testreport:
1683      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
1684        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
1685        Update testreport accordingly. No need to set "export OPENAD=true"
1686        in adjoint_options/adjoint_oad anymore (will be removed later).
1687    o pkg/shelfice:
1688      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
1689        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
1690        so that surface forcing applies to k=kSurf if using pkg/shelfice.
1691    o pkg/ctrl, pkg/grdchk, pkg/ecco:
1692      - Changes to make GENARR more modular (i.e. invisible if not used)
1693    o model/src/temp_integrate.F and salt_integrate.F
1694      - re-include store directives that were removed on Dec 27th.
1695    o model/src/external_forcing_surf.F
1696      - add storage directives for EmPmR and PmEpR to avoid recomputation of
1697        seaice_model in the adjoint that is problematic when seaice_model is
1698        turned off in the adjoint. The resolved issue dated back to July when
1699        EXTERNAL_FORCING_SURF call was moved.
1700        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
1701    o pkg/exf/exf_check.F
1702      - fix a small bug again (originally found by Wentao Liu, now found again)
1703      - streamline error output
1704    o pkg/streamice and aim_v23:
1705      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
1706        Apple's /usr/bin/cpp knows what to do:
1707        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
1708        Target: x86_64-apple-darwin13.0.0
1709    
1710  checkpoint64s (2014/01/05)  checkpoint64s (2014/01/05)
1711  o tools/adjoint_options:  o tools/adjoint_options:
1712    - switch to fastopt.net TAF server (instead of default fastopt.de) for    - switch to fastopt.net TAF server (instead of default fastopt.de) for
# Line 133  o verification: Line 1836  o verification:
1836  o pkg/cost:  o pkg/cost:
1837    - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL    - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
1838      (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:      (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
1839      o this fixes global-sum value if multi-threads (since GLOBAL_SUM_TILE_RL      o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
1840        cannot be applied to var in common block).        cannot be applied to var in common block).
1841      o allows to get results independent of tile-per-proc setting (if using      o allows to get results independent of tile-per-proc setting (if using
1842        slower GLOBAL_SUM_SEND_RECV option).        slower GLOBAL_SUM_SEND_RECV option).

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