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revision 1.2094 by jmc, Wed Nov 19 16:49:37 2014 UTC revision 1.2266 by jmc, Mon Sep 12 23:46:37 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      - replace CPP option ALLOW_EXF_OUTPUT_INTERP with run-time parameter
9        "exf_output_interp" (in namelist: EXF_NML_04); change output file name
10        (add suffix "_out" instead of a prefix); keep same record number as in
11        input file but always write record 1 first (to avoid a STOP in I/O S/R).
12        Change output file content by writing interpolated field before applying
13        land-sea mask (helpful for debug).
14      - 2 compon. vector interpolation with rotation: apply scaling factor on
15        each compon. (Eastward and Northward) just before rotation.
16    o pkg/bling:
17      - Cleaned package. Removed not needed code and comments.
18      - adjoint example now works
19        (MITgcm_contrib/verification_other/global_oce_biogeo_bling/code_ad)
20    o pkg/ptracers:
21      - add Bruno Deremble's code to complete the linear surface correction
22        for tracer conservation;
23      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
24    
25    checkpoint65y (2016/07/29)
26    o pkg/debug (stats):
27      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
28        proc/thread mapping);
29      - fix Min & Max for case where 1 thread has only empty tiles;
30      - use RL variable to count number of wet grid points (with big domain,
31        can be too large to fit into integer*4).
32    o pkg/monitor:
33      - use RL variable to count number of wet grid points (but used only for del2)
34      - add new routine to compute Advective CFL within tracer time-stepping with
35        writing delayed until next monitor output.
36    o pkg/obcs:
37      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
38    o pkg/cal:
39      - calandar-dump: treat case myTime < timePhase in the same way as in
40        eesupp/src/diff_phase_multiple.F (when not using calandar-dump).
41    o pkg/dic & seaice:
42      - fix compilation of ocean component for coupled atm+ocn model with
43        seaice dynamics & dic.
44    
45    checkpoint65x (2016/06/11)
46    o add a license text file in main MITgcm tree.
47    o added pkg/bling:
48      - intermediate complexity biogeochemical model
49      - see bling_description.txt for details
50      - verification experiment is global_oce_biogeo_bling (for now, in
51        Contrib/verification_other/); tested daily on baudelaire with gfortran.
52      - add entry point in pkg/gchem for new pkg "bling".
53    o pkg/seaice: fix tensile stength computation
54      - replace global field tensileStrength by tensileStrFac
55      - tensileStrFac can be computed once in S/R seaice_init_varia
56      - fortunately that does not affect any verification results
57    
58    checkpoint65w (2016/05/12)
59    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
60         with ECCO_CTRL_DEPRECATED defined
61    o verification/global_ocean.cs32x15:
62      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
63        with "selectNHfreeSurf=1".
64    o model/src (non-hydrostatic free-surface):
65      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
66        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
67      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
68        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
69        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
70        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
71      - Update output (changes at machine truncation level) of verification exp:
72        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
73        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
74    o pkg/seaice: ITD code
75      - fix picking up from a single category model by initialising
76        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
77      - split a long warning message in seaice_check_pickup.F into two lines,
78        because NEC SX-ACE cannot deal with the long line.
79    o model/src:
80      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
81    o pkg/seaice:
82      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
83    o pkg/seaice:
84      - add basal stress as parameterisation for grounding ice
85        following Lemieux et al. (2015)
86      - turn on by setting new parameter SEAICEbasalDragK2 to a value
87        larger than 0. Lemieux et al. (2015) recommend 15.
88      - The adjoint complains with extra recomputations so there is also a
89        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
90        order to postpone the problem
91      - compile the new code in lab_sea
92    o verification/halfpipe_streamice:
93      - update both TAF and OpenAD adm output (machine truncation differences)
94    
95    checkpoint65v (2016/04/08)
96    o verification/advect_xz:
97      - increase overlap size from 3 to 4 and add new secondary test for PQM
98        advection scheme (with mono & wino limiter).
99      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
100    o model/src:
101      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
102        added phi0Ref) to set vertical axis origin and phiRef origin;
103        keep Ro_SeaLevel for backward compatibility (with a warning).
104       According to coordinate and fluid type:
105        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
106        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
107        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
108        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
109      - remove Ro_SeaLevel from ATM experiment parameter files;
110      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
111        complement; update output.txt (changes at machine truncation level).
112    o pkg/seaice/seaice_evp.F
113      - simplify computation of deltaZ and zetaZ to simple averaging following
114        Bouillon et al. (2013). This removes a lot of code, but also changes
115        verification experiment lab_sea.hb87 -> updated
116    
117    checkpoint65u (2016/03/14)
118    o pkg/generic_advdiff:
119      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
120        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
121        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
122        testing and not for actual use.
123    o model/src:
124      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
125        origin r = rF(1);
126      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
127        in EOS for height coordinate: enable to include NH Pressure or to use
128        more accurate pressure vertical profile; options not linked to EOS type
129        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
130      - start to implement variable gravity (along vertical): for now, only with
131        z-coords (not even z*).
132      - add Ideal Gas equation of state for height coordinate.
133      - update OpenAD output (affected at machine truncation level) of exp:
134        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
135    o pkg/exf:
136      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
137        of exf interpolation (before any rescaling, rotation or interpolation
138        to velocity point) for each field that gets loaded from file. This option
139        identically mimics the input file organization (e.g. record numbers in year
140        by year input files) besides the change in horizontal grid.
141      - add rotateStressOnAgrid run-time switch so that wind stress fields
142        can be provided on the A-grid in zonal/meridional direction and
143        rotated on the fly. This only applies to the case when the exf
144        interpolation is off and rotateStressOnAgrid is false by default.
145    o model/src:
146      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
147        it's also used with pkg/atm_phys) and add few more parameters (but still
148        inactive, src code yet to come)
149    
150    checkpoint65t (2016/02/10)
151    o pkg/atm_phys:
152      - from Ruth Geen: add optical depth dependence on CO2 concentration.
153    o model/src:
154      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
155        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
156        Update output of exp. deep_anelastic (changes at truncation level).
157    o tools:
158      - add a hack in "remove_comments_sed" (used only with TAF) for recent
159        version of OpenMPI (shipped with FC.23): comment out the new header
160        file "mpif-sizeof.h" which causes problems to TAF.
161    o pkg/seaice:
162      - change the termination criterion so that maxits (SEAICElinearIterMax)
163        has an effect
164      - unify iteration parameters for implicit solvers (JFNK and Picard)
165        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
166        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
167        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
168        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
169        SEAICEnonLinTol     replaces JFNKgamma_nonlin
170      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
171      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
172        use with SEAICEuseKrylov
173    o pkg/seaice/seaice_lsr.F
174        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
175        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
176        an effect.
177    o pkg/seaice: add two new parameters
178      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
179        parameter is not in any namelist)
180      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
181        a preconditioner for the non-linear Newton iteration of the JFNK
182        solver
183    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
184      affects some experiments at truncation level:
185      - global_ocean.cs32x15.icedyn (11 digits),
186      - global_ocean.cs32x15.seaice (11 digits),
187      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
188      - also update global_ocean.cs32x15 adjoint and tangent-linear results
189    o pkg/salt_plume & pkg/thsice:
190      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
191        connect salt_plume flux to ATM-OCN coupling pkgs interface:
192       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
193         export to coupler interface) even without compiling pkg/salt_plume ;
194       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
195         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
196    o pkg/dic:
197      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
198        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
199        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
200      - move also update with values from ATM-OCN Coupler in the same new S/R
201        (previously done in ocn_apply_import.F).
202    o tools/adjoint_options:
203      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
204        has been changed on Jan 14, 2016.
205    o pkg/ggl90:
206      - add alternative discretisation of vertical shear (off by default), to
207        compute the mean (@ grid-cell center) of vertical shear compon instead of
208        vertical shear of mean flow (@ grid-cell center).
209      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
210        results on adjacent faces of cubed-sphere grids; this fix the restart.
211    o pkg/atm_compon_interf:
212      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
213        pass last value, stored directly before export to CPL ;
214        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
215      - remove atmSLPr from pickup files (no longer needed for restart)
216    
217    checkpoint65s (2016/01/13)
218    o eesupp & genmake2:
219       - first check for Function ETIME and, if it fails, then check for subroutine
220         ETIME and consistent output; use the appropriate version in timers.F
221    o model/src:
222      - to check restart test, add option to apply EXCH to U,V earlier, just before
223        integr_continuity; turned off by default.
224    o pkg/dic:
225      - remove CPP option USE_ATMOSCO2 (not needed)
226    o tools/tst_2+2:
227      - try to ignore difference between +0 and -0 in binary file, causing test
228        to fail for no good reason.
229    o eesupp & genmake2:
230      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
231        but also check (in genmake2) that test runs and returns meaningful results.
232    o coupler pkgs:
233      Finish implementation of optionally-exchanged variable switches (started on
234       Nov 12) with addition of few more exchanged fields, including 2-way exchange
235       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
236       advection in OCN component; this requires sequential coupling.
237      coupler (pkg/atm_ocn_coupler):
238      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
239        routines (useful for debug).
240      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
241         flux, DIC fields) if corresponding switch is ON.
242      - add option to export RunOff to OCN (to use for DIC river input)
243      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
244      components (pkg/atm_ & ocn_compon_interf):
245      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
246        optionally exchanged fields; add a check & stop in cpl_readparms.F.
247        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
248        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
249      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
250        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
251      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
252      - hold in common block coupler optionally-exchanged variable switch
253        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
254      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
255        this is intended to replace the OCN cplFldtave.* output files (not updated
256        to contain new additional exchanged fields).
257    o pkg/dic:
258      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
259    o pkg/thsice:
260      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
261        and writing of thsice pickup files.
262    o pkg/atm_compon_interf:
263      - move all field individual export-call out of cpl_export_import_data.F
264        into new S/R ATM_EXPORT_FIELDS
265    o pkg/atm_compon_interf:
266      - store state variables (for now, only thSIce fields) just before beeing
267        exported (in cpl_export_import_data.F, like on ocean side) instead of from
268        atm_store_my_data.F like all exported fluxes.
269      - new version of pickup_cpl: write field names into meta file and read meta
270        file to find field postion in pickup. Also only write/read fields meeded for
271        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
272    o pkg/dic:
273      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
274    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
275        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
276        value can be from domain [0,1] to average between the two methods
277    o pkg/atm_phys:
278      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
279        hold fixed in time).
280    
281    checkpoint65r (2015/12/21)
282    o pkg/seaice:
283        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
284        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
285    o pkg/seaice:
286      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
287        when SEAICEscaleSurfStress=.TRUE.,
288      - apply areaW and areaS in S/R seaice_calc_lhs
289    o pkg/atm_phys:
290      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
291        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
292        for individual contribution (convection, LSC cond, radiation)
293      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
294        information); activated with: solar_exponent=0. and wv_exponent=-1.
295    o pkg/ggl90:
296      - within IDEMIX add upper limit for horizontal group velocity to
297        avoid instability problems in the explicit horizontal diffusion term for
298        long time steps or high resolution
299    o pkg/diagnostics:
300      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
301        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
302    o testreport:
303      - remove "-v" (verbose option) in default mpirun command.
304    o pkg/seaice/seaice_growth:
305      - catch potential division by zero in ITD code, does not change
306        verification results
307    o pkg/ecco:
308      - retire old codes to the Attic. The calls to retired functions are
309        left in a commented form in case they ever need to be re-activated.
310      - ecco_check.F: issue warning if any old CPP option is
311        defined that corresponds to retired codes -- then stop.
312    o pkg/atm_compon_interf:
313      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
314        coupler: use last time-step value instead of average over cplSendFrq_iter
315        time-step, similar to what is done for seaIceMass.
316        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
317    o eesupp & genmake2:
318      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
319        <= remove until a fix is found for some ifort version on ia32 machine.
320    o pkg/seaice/seaice_evp:
321      - refine residual computation
322    
323    checkpoint65q (2015/11/18)
324    o pkg/seaice/seaice_evp:
325      - fix residual computations so that they no longer affect the actual
326        simulation code
327      - fix seaice_readparams to be able to actually set new parameters
328        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
329    o model/src:
330      - fix wrong truncation (single prec) from "FLOAT" function in expressions
331        like: deltaT*FLOAT(myIter) when myIter is large:
332         a) replaced by DFLOAT (if not seen by TAF);
333         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
334    o pkg/aim_v23:
335      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
336        when pickupSuff is set ; do write rolling pickups + at the end of the run.
337    o pkg/atm_ocn_coupler + ocn_compon_interf:
338      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
339        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
340        add corresponding call in DO_OCEANIC_PHYS.
341    o coupler pkgs:
342      Start a new way to set-up optionally-exchanged variables (previously, only
343       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
344       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
345       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
346       compononent param default can be set accordingly).
347      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
348       but rather applies to a group a fields (going both ways like for DIC)
349       and corresponds to an option of coupling config.
350      coupler (pkg/atm_ocn_coupler):
351      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
352        and read namelist directly (without eessup S/R calls) instead of
353        in the very un-flexible old way, 1 param per line, in fixed order;
354      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
355        cleanly in CPL_CHECK_CPLCONFIG
356      - add new coupling-exchange selectors (some not yet active) including
357        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
358                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
359      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
360        component ; called directly from coupler.F, after comp. registrations;
361      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
362         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
363          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
364      components (pkg/atm_ & ocn_compon_interf):
365      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
366        CPP header file in all pkg source files.
367      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
368        ATM/OCN_CHECK_CPLCONFIG;
369      - add error-counter to track errors (e.g., in "data.cpl") and to stop
370        cleanly in ATM/OCN_CHECK_CPLCONFIG;
371      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
372        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
373        before PACKAGES_READPARMS;
374      verification/cpl_aim+ocn/:
375      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
376        "data.cpl" for coupler (in input_cpl).
377    o eesupp/inc:
378      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
379        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
380        to always cumulate tile local-sum in the same order (still uses
381        MPI_Allreduce like standard code).
382      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
383        that are now identical to standard version (in eesupp/inc).
384    o pkg/shelfice:
385      - add SHELFICETransCoeffTFile for initializing spatially varying
386        heat and salt transfer coefficients
387    o pkg/atm_compon_interf & ocn_compon_interf:
388      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
389        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
390      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
391    o pkg/atm_ocn_coupler:
392      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
393    o pkg/rbcs:
394      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
395        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
396      - add a short report (to STDOUT) about RBCS-mask settings.
397    
398    checkpoint65p (2015/10/23)
399    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
400        there is no adjoint test for EVP, we don't know what it does to the adjoint
401        solution, but at least there are no more recomputation warnings left
402    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
403        a chance of giving the same results as a fully converged VP (JFNK) solver
404    o tools/adjoint_options/adjoint_diva:
405      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
406    o pkg/streamice:
407      - spotted bug in streamice_driving_stress using dyG where should have been dxG
408    o pkg/exf:
409      - remove STOP statement that prevented to use wind or (wind-)stress
410        interpolation for constant-in-time forcing fields (wind/stress period = 0).
411    o pkg/seaice:
412      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
413        5 additionals 2D fields and 6 new store directives
414      - change logic in seaice_readparms.F: EVP code can now be turned on in
415        various ways, setting SEAICE_deltaTev is no longer required,
416        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
417        or SEAICEaEVPcoeff
418    o pkg/shelfice/shelfice_thermodynamics.F
419      - redefining uLoc/vLoc to u/v, instead of 2u/v
420    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
421      - this is an intermediate state of a truely converging EVP that has
422        the potential of outperforming implicit VP methods, I do not recommend
423        using it yet.
424      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
425        and all parameters are hardwired
426      - for convergence it still requires very smooth regularisations, that means,
427        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
428        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
429        specific averaging appears to be required, still subject to tuning
430      - still needs cleaning and I need to turn parameter into runtime parameters
431      - add code to compute and print residuals of iteration, compile with
432        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
433    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
434      that entered with r1.54 on Sep04, 2015, -> update results
435    
436    checkpoint65o (2015/09/14)
437    o pkg/mom_vecinv & mom_common:
438      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
439        called from there.
440      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
441        allows to use Vector-Invariant form in deep atmos and anelastic formulation
442    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
443      and Koenig-Beatty+Holland (2012)
444      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
445      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
446      - requires an extra input argument for S/R seaice_calc_viscosities
447      - tensileStrength's depth dependence is different from Itkin et al. (2015)
448        (to be changed and played with, for now exponential)
449    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
450      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
451        by AREA according to Connelly et al. (2004), JPO.
452      - For EVP and the LSR solver, the implicit part of the drag term is
453        the only non-zero term in the denominator when there is no ice (which
454        prevented running the model with zero ice-ocean drag). If
455        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
456        (or zero main diagonals BU/BV) which need to be caught. A practical
457        consequence is that for open water, the momentum equation reduce
458        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
459        they happen to be zero, often leading to a non-zero solution over
460        open water.
461    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
462        efficient EVP method.
463      - introduce area-weighted averages for e12 (analogously to
464        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
465        remain, but also changing the order of terms in the previous average
466        changed the results as much) -> update experiment
467      - add SEAICE_DELTA_SMOOTHREG code
468      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
469        TEM-code
470      - adjust loop bounds so that only required fields are computed
471      - add new averaging code for zetaZ/deltaZ (again similar to
472        seaice_calc_viscosities.F), inactive by default for now (will change
473        results again), but will replace old code eventually
474    o eesupp/src:
475      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
476        to always cumulate tile local-sum in the same order
477        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
478        Still uses MPI_Allreduce (like standard code) but on array of tiles
479        and should be faster than GLOBAL_SUM_SEND_RECV code.
480      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
481        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
482      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
483         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
484         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
485         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
486         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
487    
488    checkpoint65n (2015/07/29)
489    o pkg/thsice:
490      - add a warning when used with pkg/aim but without updating SST
491        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
492    o pkg/offline:
493      - change where Offline-Fields are loaded, from load_fields_driver.F to
494        directly within FORWARD_STEP, just after updating iter number and time;
495      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
496        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
497       These changes allow:
498        a) to recover exactly on-line results using deltaToffline=deltaTClock,
499        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
500        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
501        time-step, both with GM & KPP files and with recomputing these fields;
502        b) no needs to switch on staggerTimeStep anymore;
503        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
504      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
505    o pkg/offline:
506      - change (rarely used) offset-iteration parameter to an offset time (in s):
507        can easily recover previous offset-iter effect by setting offset-time
508        (offlineTimeOffset) to offset-iter x deltaToffline;
509      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
510        in KPP as part of surface buoyancy forcing) in offline run.
511      - fix ptracers KPP non-local term in the case where KPP is re-computed.
512    o OpenAD
513      - Adding preliminary ggl90 test to OpenAD verification.
514        Config. with ggl90 currently diverges after 64 time steps
515        so will need more work to become more stable
516      - Adding preliminary kpp test to OpenAD verification.
517        required small tweakes in kpp_routines.F
518      - Merge and update from Krishna Narayanan's contrib area:
519        * Add one variable for preliminary OpenAD DIVA
520        * Add replacement time-stepping for OpenAD DIVA
521        * genmake2 flag -diva (but only for OpenAD; preliminary)
522        * required modifs for OAD_support
523        successful preliminary test for tutorial_global_oce_biogeo/
524    o pkg/seaice:
525      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
526      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
527        delta with a smooth function in s/r seaice_calc_viscosity
528        (no effect on EVP)
529      - rename local suffix "sqr" into "sq" for more consistent variable names
530    o pkg/seaice:
531        add new parameter SEAICE_deltaMin that is used ***only***
532        for regularizing Delta (and nothing else, like the parameter
533        which is also used for all sorts of things SEAICE_EPS).
534        Defaults to SEAICE_EPS for backward compatibility only.
535    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
536        the wrong key by inialising it before use -> fixes a recomputation
537        problem but does not fix the gradient
538    o pkg/layers:
539      - move resetting of flux arrays to outside the iLa loop
540        (this caused layers_diapycnal to not work with more than one layer coord.)
541      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
542    o pkg/layers:
543      - remove from common block 3D layers fields (used to diagnose transport
544        in tracer coords) and declare them as local arrays in layers_calc.F
545    o pkg/seaice:
546      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
547        in lab_sea forward experiment (changes results -> updated)
548      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
549    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
550       computations; for SEAICE_VECTORIZE_LSR
551      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
552        sweep to the outside,
553      - remove store directives and add "CADJ loop sequential" directives
554        in analogy to model/src/solve_tridiagonal.F
555      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
556        boundaries to yield more readable code. This has also the charming side
557        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
558        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
559        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
560        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
561        an additional option)
562       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
563       but the adjoint gradients (which are affected by this change) still explode.
564    o coupler (atm & ocn _compon_interf):
565      - avoid using Exch2 IO mapping if not suitable.
566    
567    checkpoint65m (2015/06/15)
568    o pkg/layers:
569      - clean-up old parameters setting (from Sep 2012):
570        + remove old parameters setting from common block (declared locally);
571        + stop if any old parameter is mixed with new parameters;
572        + check for valid or consistent parameter setting (e.g., layers_name)
573      - check that layers_bounds for Pot.Density are in the right range;
574        this is supposed to catch un-updated setting after recently shifting
575        potential density field "prho" by -1000 (now in "sigma" scale).
576    o pkg/layers:
577      - Added missing call to layers_fill for keeping track of tottend in
578        pkg/diagnostics/diagnostics_fill_state.F
579    o pkg/layers:
580      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
581        of diapycnal fluxes
582    o pkg/layers:
583      - reverted changes to interpolation to previous treatment; there
584        was never actually a problem
585    o pkg/layers:
586      - fix interpolation of layers tracers in the presence of partial cells
587      - add lots of new functionality to compute water mass transformation
588        (enabled by CPP flag LAYERS_THERMODYNAMICS)
589      - add new calls from main code (diags_oceanic_surf_flux.F,
590        thermodynamics.F, impldiff.F) and gad to save the necessary fields
591        for layers_thermodynamics calculations
592    o pkg/ptracers:
593      - add capability of stepping a passive tracer forward without advection
594        by setting PTRACERS_advScheme to 0.
595    o pkg/diagnostics:
596      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
597    o pkg/layers:
598      - shift potential density field "prho" by -1000 for density layer averaging so
599        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
600        Note that density bin boundaries (layers_bounds in data.layers) have
601        to be set accordingly (i.e., shifted, in sigma scale).
602    o pkg/layers:
603      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
604      - fix calculation of layer non-weighted velocity and layer probability
605      - add diagnostics for pot.density used for layer averaging
606    o pkg/seaice:
607      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
608        positiveness, modify a few comments and improve variable names,
609      - the changed computation of deltaC affects most seaice-related
610        experiments at the truncation level.
611        seaice_itd.thermo is affected by far the most, with
612        only 7 digits of agreement remaining; update experiments.
613    
614    checkpoint65l (2015/05/04)
615    o pkg/shelfice:
616      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
617        factor drKp1 to zero where it is negative (ie. do not use
618        SHELFICEBoundaryLayer if hFacC>1)
619      - the same for factor drLoc in shelfice_forcing.F
620    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
621        with modules in ptracers, when using testreport option "-small_f"
622    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
623      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
624    o verification/testreport
625      - add new option -small_f
626        with this option testreport first makes the target small_f (*.f files)
627        before running make (all). This is useful for explicit inlining when
628        all sources need to be full available.
629    o pkg/exf/exf_interp.F:
630        remove previous changes related to reverse (decreasing) input grids latitude
631    
632    checkpoint65k (2015/04/01)
633    o pkg/ecco:
634        fix missing cosphi initialization; use eccoiter in place of optimcycle;
635        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
636        instead of active read/write
637    o pkg/ctrl:
638        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
639        instead of active read/write.
640    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
641        return if .NOT.useAUTODIFF
642    o pkg/seaice: add CPP brackets (cost function related).
643    o model/src:
644        add useAUTODIFF run time switch.
645    o pkg/exf/exf_interp.F:
646        add code to allow input grids with latitude starting in the north (i.e. when
647        j=1 corresponds to northern edge of field); modify global_with_exf to test
648        this feature.
649    o verification/testreport:
650      - replace "grep -A3" with POSIX conformal sed command, because there are
651        implementations of grep that cannot do contextual searches
652      - replace "cat -n" by "nl" (two occurrences), because not all implementations
653        of "cat" have the option "-n"
654    o model/src:
655        add new file gsw_teos10.F that contains 3 functions, more or less a copy
656        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
657        convert from conservative to potential temperature. For now they are not
658        called anywhere.
659    o pkg/ggl90: make "useIDEMIX" useful
660      - re-organize code in s/r ggl90_calc a little to move computations that
661        are different for idemix into separate loops (changes verification
662        experiment idemix at truncation level, 12 digits remain -> updated)
663      - requires 2 new 2D fields KappaM, verticalShear
664      - make hFacI and recip_hFacI local 3D variables that are passed to
665        s/r ggl90_idemix
666      - fix and improve some comments
667    
668    checkpoint65j (2015/02/25)
669    o pkg/openad
670      - synchronize seawater.F with version in model/src: replace routine
671        body of sw_temp by calling sw_ptmp and fix/add a few comments.
672    o pkg/mnc:
673      - change default value of pickup_read/write_mnc params to FALSE
674        (since few features are missing in reading MNC pickup files).
675    o model/src:
676      - change default (background) vertical diffusivity for salt to be the
677        temperature (background) vertical diffusivity.
678      - change background vertical diffusivity in vertical mixing pkgs ggl90,
679        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
680        This makes ptracers default diffusivity (that uses salt diffKr) more
681        consistent with vertical mixing schemes.
682    o verification/testreport:
683      - fix typo in "-pcls" option ;
684      - put temp files in /tmp (instead of in local dir)
685      - add option "-ncad" to use genmake2 new option "-nocat4ad"
686      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
687    o pkg/ggl90 (idemix code):
688      - apply few fixes ; add some missing "_d 0" ; update output of exp.
689        global_ocean.90x40x15.idemix
690    o OpenAD
691      - enable active file I/O and begin removal of work-around code
692        for OpenAD for handling control variables (memory vs. active files)
693      - new CPP options file OPENAD_OPTIONS.h
694      - revert to genarr2d gradient check for hs94.1x64x5
695      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
696      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
697    o tools/genmake2:
698      - add option for an alternative Makefile (from Martin) where multiple
699        source files are sent to TAF (instead of all in one file).
700    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
701      - code provided by Carsten Eden as an extension of ggl90
702      - so far the code is turned on within ggl90 by setting a CPP-flag at
703        compile time; a runtime flag implementation is not yet complete
704      - tested in new verification experiment global_ocean.90x40x15.idemix
705    o verification:
706      - reduce length of the AD test run by half for experiments
707        global_ocean.cs32x15 (std + thsice) and isomip
708      - enable active file I/O for OpenAD, adjust verifications accordingly
709      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
710    o verification/testreport:
711      - fix two non-POSIX sed statements so that there are no error messages
712        on Mac OS X
713      - replace hostname -s with hostname | sed 's/\..*$//'
714    o model/src/seawater.F:
715      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
716        (following the matlab code), which would have avoided the bug caught
717        by Matt (see below) in the first place
718    o pkg/shelfice:
719      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
720        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
721      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
722        ice-shelf case (i.e., within surface level).
723      - add config summary in shelfice_check.F
724      - remove global variable recip_SHELFICElatentHeat and replace by a local
725        variable recip_latentHeat
726      - introduce diagnostics for friction velocity uStar (in case of
727        SHELFICEuseGammaFrict)
728      - change verification experiment isomip.htd:
729        + start from pickup (as input_ad at nIter0=8640)
730        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
731        + test SHELFICEuseGammaFrict = .TRUE.
732        + test SHELFICEadvDiffHeatFlux = .TRUE.
733    o model/src:
734      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
735        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
736        update output of experiments global_with_exf.yearly and isomip (all 6).
737    o pkg/shelfice:
738      - change setting of kTopC to also be zero where there is no ice-shelf.
739      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
740        ice-shelf is.
741      - first attempt to get RealFreshWaterFlux effects: for now, only without
742        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
743    o pkg/seaice: add the option to prescribe a fixed thickness PDF
744      for thermodynamic calculations
745      - because of divisions of the type 7/7 not exactly equal to 1, this change
746        affects results of some verification experiments by up to 4 digits:
747        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
748        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
749        adjoint: lab_sea, lab_sea.noseaicedyn
750        -> updated
751    
752    checkpoint65i (2015/01/23)
753    o model/src:
754      - change units of frictionHeating field from W to W/m^2
755      - fix bug in frictional heating from stratospheric drag in
756        S/R ATM_PHYS_TENDENCY_APPLY_V
757      - with synchronous time-stepping: move resetting to zero of frictionHeating
758        field from load_fields_driver.F to thermodynamics.F ;
759      - add diagnostics for frictional heating.
760    o model/src & gmredi K3D:
761      - add frictionHeating field to pickup-files (for synchronous time-stepping)
762      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
763      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
764        and name in pickup file).
765      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
766    o model/src:
767      - move (from ini_forcing.F) initialisation of all arrays in header file
768        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
769        (since Nov 2012) with option selectAddFluid=1.
770    o pkg/shelfice:
771      - change units (+ document) of newly added field "shelfIceMassDynTendency"
772      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
773    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
774    o pkg/seaice: two new runtime parameters:
775      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
776        long overdue
777      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
778        parameterization of tensil stress for fast ice (does not do anything yet)
779    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
780        for LSR: move checking overlaps out of JFNK-if-block
781    o pkg/atm_phys:
782      - move copy of grid and dynamical fields out of atm_phys_driver.F into
783        new S/R ATM_PHYS_DYN2PHYS.
784      - fix level height for Linear Free-Surf case (to be consistent with
785        fixed-in-time pressure levels).
786    o pkg/mom_common (bottomdrag):
787      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
788        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
789        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
790    o pkg/shelfice (u/v_drag):
791      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
792      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
793        (now similar to shelfice_u_drag.F)
794      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
795        from mom_vecinv.F (similar to mom_fluxform calls).
796    o pkg/mom_common (bottomdrag):
797      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
798      - add options for alternative discretisation of velocity norm in quadratic
799        bottom drag: averaging of grid-cell-center KE to U.point and V.point
800        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
801        improves when averaging only the other component (e.g. vVel for U bottom
802        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
803      - add options (bottomVisc_pCell) to account for partial-cell in bottom
804        friction (no-slip BC) thus getting the true distance from the bottom;
805        off by default since this also reduces model stability (explicit bottom
806        friction). Changes produce different machine truncation with linear-drag
807        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
808        front_relax (bvp & mxl, 10 & 11 digits).
809    o model/src & mom pkgs:
810      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
811        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
812      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
813        just copy level Nr value to level Nr+1.
814    o doc:
815      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
816    o pkg/shelfice:
817      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
818        SHELFICE.h: move array shelficemass to init_varia, initialise
819        from array shelficemassinit, which is set in init_fixed and
820        has option to be set from file; introduce array
821        shelficeMassDynTend array, set thru file in init_fixed
822      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
823        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
824        pkg/streamice
825      - shelfice_thermodynamics.F: call shelfice_step_icemass if
826        SHELFICEMassStepping = .true.
827      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
828    
829    checkpoint65h (2014/12/17)
830    o verification/global_ocean.90x40x15, global_ocean_ebm:
831      - update to generic controls.
832    o pkg/ctrl:
833      - ctrl_map_ini_genarr.F: test for igen>0
834      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
835      - move gentim2d part of ctrl_map_ini_genarr.F to
836        new separate routine : ctrl_map_ini_gentim2d.F
837      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
838        add time variable weights and cyclic controls (time mean,
839        seasonal cycle, etc) capabilities to gentim2d
840    o pkg/ecco:
841      - move reading of error, conversion to weights from
842        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
843    o global_oce_llc90, cs32:
844      - activte sbo.
845      - CTRL_SIZE.h : add maxCtrlProc.
846      - activate the new genctrl capabilities.
847      - update following reorganization of global_oce_input_fields.tar.gz  
848    o pkg/ctrl/ctrl_ad_diff.list:
849      - add missing ctrl_init_rec.f
850    o tools/OAD_support/keepOriginal:
851      - add ctrl_init_rec.F
852    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
853      - avoid recomputations of xx_gentim2d_dummy.
854    o momentum diagnostics:
855      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
856        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
857    o pkg/seaice/seaice_lsr.F:
858      - fix computation of BU/BV, make sure they are non-zero, only necessary
859        for cubed sphere exchanges and SEAICE_OLx/y>0.
860        This makes calling s/r fill_cs_corner_rl obsolete (removed).
861    o verification/global_ocean.cs32x15/input.seaice
862      - add test for strong implicit coupling and restricted addtive Schwarz
863        methods for LSR
864      - update results/output.seaice.txt
865    o verification/tutorial_global_oce_biogeo:
866      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
867        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
868        update output_adm,_oadm,_tlm.txt
869    o pkg/dic:
870      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
871      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
872        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
873    o verification/tutorial_global_oce_biogeo:
874      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
875        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
876        update output_adm,_oadm,_tlm.txt
877    o eesupp/src:
878      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
879        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
880    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
881      LSR (following Hutchings et al. 2004)
882      - introduce zetaZ as a global variable (requires adjustments in
883        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
884        in seaice_calc_viscosities.F
885      - new flag SEAICEuseStrImpCpl (default off)
886      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
887        momentum equations
888      - JFNK-solver (preconditioner) adjusted to allow using this method
889        (where it does not have any positive effect)
890    o pkg/seaice
891      - add overlap for restrictive additive Schwartz method also to LSR, but
892        turn it off by default (because it only seems to work for non-cubed
893        sphere/llc topologies)
894    o pkg/autodiff
895      - add extra exchanges in addummy_in_steppging also for mnc output
896    o pkg/seaice:
897      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
898        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
899    o pkg/obcs:
900      - add option to specify domain-connected piece Id along OB though files
901        (for now, only used to diagnose PhiVel; default =1 -> global correction)
902      - modify obcs_diag_balance.F to process each connected-part separately;
903        exclude OB where Id = 0 but keep the full divergence there (-> constant
904        Psi along this portion of OB and all inflow derived from grad(Phi))
905      - add example of OB-conect files in verification/so_box_biogeo/input.
906    o pkg/diagnostics:
907      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
908      a) use non zero matrix element across OB and solve for Phi 1 grid point
909         outside OB (i.e, where tracer OBCS are applied).
910      b) global imbalance of inFlow/outFlow across OB: instead of modifying
911         velocity across OB, spread it uniformly along the OB in the RHS.
912    
913  checkpoint65g (2014/11/19)  checkpoint65g (2014/11/19)
914  o pkg/diagnostcis:  o pkg/diagnostcis:
915    - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param    - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param

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