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revision 1.2144 by mlosch, Tue Apr 7 15:43:21 2015 UTC revision 1.2246 by mlosch, Tue Apr 26 11:10:45 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/seaice:
8      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
9    o pkg/seaice:
10      - add basal stress as parameterisation for grounding ice
11        following Lemieux et al. (2015)
12      - turn on by setting new parameter SEAICEbasalDragK2 to a value
13        larger than 0. Lemieux et al. (2015) recommend 15.
14      - The adjoint complains with extra recomputations so there is also a
15        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
16        order to postpone the problem
17      - compile the new code in lab_sea
18    o verification/halfpipe_streamice:
19      - update both TAF and OpenAD adm output (machine truncation differences)
20    
21    checkpoint65v (2016/04/08)
22    o verification/advect_xz:
23      - increase overlap size from 3 to 4 and add new secondary test for PQM
24        advection scheme (with mono & wino limiter).
25      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
26    o model/src:
27      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
28        added phi0Ref) to set vertical axis origin and phiRef origin;
29        keep Ro_SeaLevel for backward compatibility (with a warning).
30       According to coordinate and fluid type:
31        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
32        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
33        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
34        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
35      - remove Ro_SeaLevel from ATM experiment parameter files;
36      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
37        complement; update output.txt (changes at machine truncation level).
38    o pkg/seaice/seaice_evp.F
39      - simplify computation of deltaZ and zetaZ to simple averaging following
40        Bouillon et al. (2013). This removes a lot of code, but also changes
41        verification experiment lab_sea.hb87 -> updated
42    
43    checkpoint65u (2016/03/14)
44    o pkg/generic_advdiff:
45      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
46        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
47        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
48        testing and not for actual use.
49    o model/src:
50      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
51        origin r = rF(1);
52      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
53        in EOS for height coordinate: enable to include NH Pressure or to use
54        more accurate pressure vertical profile; options not linked to EOS type
55        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
56      - start to implement variable gravity (along vertical): for now, only with
57        z-coords (not even z*).
58      - add Ideal Gas equation of state for height coordinate.
59      - update OpenAD output (affected at machine truncation level) of exp:
60        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
61    o pkg/exf:
62      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
63        of exf interpolation (before any rescaling, rotation or interpolation
64        to velocity point) for each field that gets loaded from file. This option
65        identically mimics the input file organization (e.g. record numbers in year
66        by year input files) besides the change in horizontal grid.
67      - add rotateStressOnAgrid run-time switch so that wind stress fields
68        can be provided on the A-grid in zonal/meridional direction and
69        rotated on the fly. This only applies to the case when the exf
70        interpolation is off and rotateStressOnAgrid is false by default.
71    o model/src:
72      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
73        it's also used with pkg/atm_phys) and add few more parameters (but still
74        inactive, src code yet to come)
75    
76    checkpoint65t (2016/02/10)
77    o pkg/atm_phys:
78      - from Ruth Geen: add optical depth dependence on CO2 concentration.
79    o model/src:
80      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
81        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
82        Update output of exp. deep_anelastic (changes at truncation level).
83    o tools:
84      - add a hack in "remove_comments_sed" (used only with TAF) for recent
85        version of OpenMPI (shipped with FC.23): comment out the new header
86        file "mpif-sizeof.h" which causes problems to TAF.
87    o pkg/seaice:
88      - change the termination criterion so that maxits (SEAICElinearIterMax)
89        has an effect
90      - unify iteration parameters for implicit solvers (JFNK and Picard)
91        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
92        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
93        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
94        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
95        SEAICEnonLinTol     replaces JFNKgamma_nonlin
96      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
97      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
98        use with SEAICEuseKrylov
99    o pkg/seaice/seaice_lsr.F
100        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
101        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
102        an effect.
103    o pkg/seaice: add two new parameters
104      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
105        parameter is not in any namelist)
106      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
107        a preconditioner for the non-linear Newton iteration of the JFNK
108        solver
109    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
110      affects some experiments at truncation level:
111      - global_ocean.cs32x15.icedyn (11 digits),
112      - global_ocean.cs32x15.seaice (11 digits),
113      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
114      - also update global_ocean.cs32x15 adjoint and tangent-linear results
115    o pkg/salt_plume & pkg/thsice:
116      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
117        connect salt_plume flux to ATM-OCN coupling pkgs interface:
118       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
119         export to coupler interface) even without compiling pkg/salt_plume ;
120       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
121         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
122    o pkg/dic:
123      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
124        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
125        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
126      - move also update with values from ATM-OCN Coupler in the same new S/R
127        (previously done in ocn_apply_import.F).
128    o tools/adjoint_options:
129      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
130        has been changed on Jan 14, 2016.
131    o pkg/ggl90:
132      - add alternative discretisation of vertical shear (off by default), to
133        compute the mean (@ grid-cell center) of vertical shear compon instead of
134        vertical shear of mean flow (@ grid-cell center).
135      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
136        results on adjacent faces of cubed-sphere grids; this fix the restart.
137    o pkg/atm_compon_interf:
138      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
139        pass last value, stored directly before export to CPL ;
140        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
141      - remove atmSLPr from pickup files (no longer needed for restart)
142    
143    checkpoint65s (2016/01/13)
144    o eesupp & genmake2:
145       - first check for Function ETIME and, if it fails, then check for subroutine
146         ETIME and consistent output; use the appropriate version in timers.F
147    o model/src:
148      - to check restart test, add option to apply EXCH to U,V earlier, just before
149        integr_continuity; turned off by default.
150    o pkg/dic:
151      - remove CPP option USE_ATMOSCO2 (not needed)
152    o tools/tst_2+2:
153      - try to ignore difference between +0 and -0 in binary file, causing test
154        to fail for no good reason.
155    o eesupp & genmake2:
156      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
157        but also check (in genmake2) that test runs and returns meaningful results.
158    o coupler pkgs:
159      Finish implementation of optionally-exchanged variable switches (started on
160       Nov 12) with addition of few more exchanged fields, including 2-way exchange
161       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
162       advection in OCN component; this requires sequential coupling.
163      coupler (pkg/atm_ocn_coupler):
164      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
165        routines (useful for debug).
166      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
167         flux, DIC fields) if corresponding switch is ON.
168      - add option to export RunOff to OCN (to use for DIC river input)
169      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
170      components (pkg/atm_ & ocn_compon_interf):
171      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
172        optionally exchanged fields; add a check & stop in cpl_readparms.F.
173        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
174        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
175      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
176        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
177      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
178      - hold in common block coupler optionally-exchanged variable switch
179        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
180      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
181        this is intended to replace the OCN cplFldtave.* output files (not updated
182        to contain new additional exchanged fields).
183    o pkg/dic:
184      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
185    o pkg/thsice:
186      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
187        and writing of thsice pickup files.
188    o pkg/atm_compon_interf:
189      - move all field individual export-call out of cpl_export_import_data.F
190        into new S/R ATM_EXPORT_FIELDS
191    o pkg/atm_compon_interf:
192      - store state variables (for now, only thSIce fields) just before beeing
193        exported (in cpl_export_import_data.F, like on ocean side) instead of from
194        atm_store_my_data.F like all exported fluxes.
195      - new version of pickup_cpl: write field names into meta file and read meta
196        file to find field postion in pickup. Also only write/read fields meeded for
197        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
198    o pkg/dic:
199      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
200    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
201        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
202        value can be from domain [0,1] to average between the two methods
203    o pkg/atm_phys:
204      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
205        hold fixed in time).
206    
207    checkpoint65r (2015/12/21)
208    o pkg/seaice:
209        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
210        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
211    o pkg/seaice:
212      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
213        when SEAICEscaleSurfStress=.TRUE.,
214      - apply areaW and areaS in S/R seaice_calc_lhs
215    o pkg/atm_phys:
216      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
217        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
218        for individual contribution (convection, LSC cond, radiation)
219      - add Ruth Geen etal, GRL 2016, radiation optionis (see paper supp.
220        information); activated with: solar_exponent=0. and wv_exponent=-1.
221    o pkg/ggl90:
222      - within IDEMIX add upper limit for horizontal group velocity to
223        avoid instability problems in the explicit horizontal diffusion term for
224        long time steps or high resolution
225    o pkg/diagnostics:
226      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
227        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
228    o testreport:
229      - remove "-v" (verbose option) in default mpirun command.
230    o pkg/seaice/seaice_growth:
231      - catch potential division by zero in ITD code, does not change
232        verification results
233    o pkg/ecco:
234      - retire old codes to the Attic. The calls to retired functions are
235        left in a commented form in case they ever need to be re-activated.
236      - ecco_check.F: issue warning if any old CPP option is
237        defined that corresponds to retired codes -- then stop.
238    o pkg/atm_compon_interf:
239      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
240        coupler: use last time-step value instead of average over cplSendFrq_iter
241        time-step, similar to what is done for seaIceMass.
242        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
243    o eesupp & genmake2:
244      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
245        <= remove until a fix is found for some ifort version on ia32 machine.
246    o pkg/seaice/seaice_evp:
247      - refine residual computation
248    
249    checkpoint65q (2015/11/18)
250    o pkg/seaice/seaice_evp:
251      - fix residual computations so that they no longer affect the actual
252        simulation code
253      - fix seaice_readparams to be able to actually set new parameters
254        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
255    o model/src:
256      - fix wrong truncation (single prec) from "FLOAT" function in expressions
257        like: deltaT*FLOAT(myIter) when myIter is large:
258         a) replaced by DFLOAT (if not seen by TAF);
259         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
260    o pkg/aim_v23:
261      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
262        when pickupSuff is set ; do write rolling pickups + at the end of the run.
263    o pkg/atm_ocn_coupler + ocn_compon_interf:
264      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
265        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
266        add corresponding call in DO_OCEANIC_PHYS.
267    o coupler pkgs:
268      Start a new way to set-up optionally-exchanged variables (previously, only
269       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
270       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
271       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
272       compononent param default can be set accordingly).
273      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
274       but rather applies to a group a fields (going both ways like for DIC)
275       and corresponds to an option of coupling config.
276      coupler (pkg/atm_ocn_coupler):
277      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
278        and read namelist directly (without eessup S/R calls) instead of
279        in the very un-flexible old way, 1 param per line, in fixed order;
280      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
281        cleanly in CPL_CHECK_CPLCONFIG
282      - add new coupling-exchange selectors (some not yet active) including
283        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
284                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
285      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
286        component ; called directly from coupler.F, after comp. registrations;
287      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
288         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
289          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
290      components (pkg/atm_ & ocn_compon_interf):
291      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
292        CPP header file in all pkg source files.
293      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
294        ATM/OCN_CHECK_CPLCONFIG;
295      - add error-counter to track errors (e.g., in "data.cpl") and to stop
296        cleanly in ATM/OCN_CHECK_CPLCONFIG;
297      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
298        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
299        before PACKAGES_READPARMS;
300      verification/cpl_aim+ocn/:
301      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
302        "data.cpl" for coupler (in input_cpl).
303    o eesupp/inc:
304      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
305        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
306        to always cumulate tile local-sum in the same order (still uses
307        MPI_Allreduce like standard code).
308      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
309        that are now identical to standard version (in eesupp/inc).
310    o pkg/shelfice:
311      - add SHELFICETransCoeffTFile for initializing spatially varying
312        heat and salt transfer coefficients
313    o pkg/atm_compon_interf & ocn_compon_interf:
314      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
315        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
316      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
317    o pkg/atm_ocn_coupler:
318      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
319    o pkg/rbcs:
320      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
321        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
322      - add a short report (to STDOUT) about RBCS-mask settings.
323    
324    checkpoint65p (2015/10/23)
325    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
326        there is no adjoint test for EVP, we don't know what it does to the adjoint
327        solution, but at least there are no more recomputation warnings left
328    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
329        a chance of giving the same results as a fully converged VP (JFNK) solver
330    o tools/adjoint_options/adjoint_diva:
331      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
332    o pkg/streamice:
333      - spotted bug in streamice_driving_stress using dyG where should have been dxG
334    o pkg/exf:
335      - remove STOP statement that prevented to use wind or (wind-)stress
336        interpolation for constant-in-time forcing fields (wind/stress period = 0).
337    o pkg/seaice:
338      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
339        5 additionals 2D fields and 6 new store directives
340      - change logic in seaice_readparms.F: EVP code can now be turned on in
341        various ways, setting SEAICE_deltaTev is no longer required,
342        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
343        or SEAICEaEVPcoeff
344    o pkg/shelfice/shelfice_thermodynamics.F
345      - redefining uLoc/vLoc to u/v, instead of 2u/v
346    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
347      - this is an intermediate state of a truely converging EVP that has
348        the potential of outperforming implicit VP methods, I do not recommend
349        using it yet.
350      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
351        and all parameters are hardwired
352      - for convergence it still requires very smooth regularisations, that means,
353        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
354        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
355        specific averaging appears to be required, still subject to tuning
356      - still needs cleaning and I need to turn parameter into runtime parameters
357      - add code to compute and print residuals of iteration, compile with
358        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
359    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
360      that entered with r1.54 on Sep04, 2015, -> update results
361    
362    checkpoint65o (2015/09/14)
363    o pkg/mom_vecinv & mom_common:
364      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
365        called from there.
366      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
367        allows to use Vector-Invariant form in deep atmos and anelastic formulation
368    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
369      and Koenig-Beatty+Holland (2012)
370      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
371      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
372      - requires an extra input argument for S/R seaice_calc_viscosities
373      - tensileStrength's depth dependence is different from Itkin et al. (2015)
374        (to be changed and played with, for now exponential)
375    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
376      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
377        by AREA according to Connelly et al. (2004), JPO.
378      - For EVP and the LSR solver, the implicit part of the drag term is
379        the only non-zero term in the denominator when there is no ice (which
380        prevented running the model with zero ice-ocean drag). If
381        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
382        (or zero main diagonals BU/BV) which need to be caught. A practical
383        consequence is that for open water, the momentum equation reduce
384        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
385        they happen to be zero, often leading to a non-zero solution over
386        open water.
387    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
388        efficient EVP method.
389      - introduce area-weighted averages for e12 (analogously to
390        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
391        remain, but also changing the order of terms in the previous average
392        changed the results as much) -> update experiment
393      - add SEAICE_DELTA_SMOOTHREG code
394      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
395        TEM-code
396      - adjust loop bounds so that only required fields are computed
397      - add new averaging code for zetaZ/deltaZ (again similar to
398        seaice_calc_viscosities.F), inactive by default for now (will change
399        results again), but will replace old code eventually
400    o eesupp/src:
401      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
402        to always cumulate tile local-sum in the same order
403        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
404        Still uses MPI_Allreduce (like standard code) but on array of tiles
405        and should be faster than GLOBAL_SUM_SEND_RECV code.
406      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
407        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
408      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
409         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
410         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
411         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
412         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
413    
414    checkpoint65n (2015/07/29)
415    o pkg/thsice:
416      - add a warning when used with pkg/aim but without updating SST
417        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
418    o pkg/offline:
419      - change where Offline-Fields are loaded, from load_fields_driver.F to
420        directly within FORWARD_STEP, just after updating iter number and time;
421      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
422        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
423       These changes allow:
424        a) to recover exactly on-line results using deltaToffline=deltaTClock,
425        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
426        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
427        time-step, both with GM & KPP files and with recomputing these fields;
428        b) no needs to switch on staggerTimeStep anymore;
429        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
430      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
431    o pkg/offline:
432      - change (rarely used) offset-iteration parameter to an offset time (in s):
433        can easily recover previous offset-iter effect by setting offset-time
434        (offlineTimeOffset) to offset-iter x deltaToffline;
435      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
436        in KPP as part of surface buoyancy forcing) in offline run.
437      - fix ptracers KPP non-local term in the case where KPP is re-computed.
438    o OpenAD
439      - Adding preliminary ggl90 test to OpenAD verification.
440        Config. with ggl90 currently diverges after 64 time steps
441        so will need more work to become more stable
442      - Adding preliminary kpp test to OpenAD verification.
443        required small tweakes in kpp_routines.F
444      - Merge and update from Krishna Narayanan's contrib area:
445        * Add one variable for preliminary OpenAD DIVA
446        * Add replacement time-stepping for OpenAD DIVA
447        * genmake2 flag -diva (but only for OpenAD; preliminary)
448        * required modifs for OAD_support
449        successful preliminary test for tutorial_global_oce_biogeo/
450    o pkg/seaice:
451      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
452      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
453        delta with a smooth function in s/r seaice_calc_viscosity
454        (no effect on EVP)
455      - rename local suffix "sqr" into "sq" for more consistent variable names
456    o pkg/seaice:
457        add new parameter SEAICE_deltaMin that is used ***only***
458        for regularizing Delta (and nothing else, like the parameter
459        which is also used for all sorts of things SEAICE_EPS).
460        Defaults to SEAICE_EPS for backward compatibility only.
461    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
462        the wrong key by inialising it before use -> fixes a recomputation
463        problem but does not fix the gradient
464    o pkg/layers:
465      - move resetting of flux arrays to outside the iLa loop
466        (this caused layers_diapycnal to not work with more than one layer coord.)
467      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
468    o pkg/layers:
469      - remove from common block 3D layers fields (used to diagnose transport
470        in tracer coords) and declare them as local arrays in layers_calc.F
471    o pkg/seaice:
472      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
473        in lab_sea forward experiment (changes results -> updated)
474      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
475    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
476       computations; for SEAICE_VECTORIZE_LSR
477      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
478        sweep to the outside,
479      - remove store directives and add "CADJ loop sequential" directives
480        in analogy to model/src/solve_tridiagonal.F
481      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
482        boundaries to yield more readable code. This has also the charming side
483        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
484        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
485        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
486        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
487        an additional option)
488       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
489       but the adjoint gradients (which are affected by this change) still explode.
490    o coupler (atm & ocn _compon_interf):
491      - avoid using Exch2 IO mapping if not suitable.
492    
493    checkpoint65m (2015/06/15)
494    o pkg/layers:
495      - clean-up old parameters setting (from Sep 2012):
496        + remove old parameters setting from common block (declared locally);
497        + stop if any old parameter is mixed with new parameters;
498        + check for valid or consistent parameter setting (e.g., layers_name)
499      - check that layers_bounds for Pot.Density are in the right range;
500        this is supposed to catch un-updated setting after recently shifting
501        potential density field "prho" by -1000 (now in "sigma" scale).
502    o pkg/layers:
503      - Added missing call to layers_fill for keeping track of tottend in
504        pkg/diagnostics/diagnostics_fill_state.F
505    o pkg/layers:
506      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
507        of diapycnal fluxes
508    o pkg/layers:
509      - reverted changes to interpolation to previous treatment; there
510        was never actually a problem
511    o pkg/layers:
512      - fix interpolation of layers tracers in the presence of partial cells
513      - add lots of new functionality to compute water mass transformation
514        (enabled by CPP flag LAYERS_THERMODYNAMICS)
515      - add new calls from main code (diags_oceanic_surf_flux.F,
516        thermodynamics.F, impldiff.F) and gad to save the necessary fields
517        for layers_thermodynamics calculations
518    o pkg/ptracers:
519      - add capability of stepping a passive tracer forward without advection
520        by setting PTRACERS_advScheme to 0.
521    o pkg/diagnostics:
522      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
523    o pkg/layers:
524      - shift potential density field "prho" by -1000 for density layer averaging so
525        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
526        Note that density bin boundaries (layers_bounds in data.layers) have
527        to be set accordingly (i.e., shifted, in sigma scale).
528    o pkg/layers:
529      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
530      - fix calculation of layer non-weighted velocity and layer probability
531      - add diagnostics for pot.density used for layer averaging
532    o pkg/seaice:
533      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
534        positiveness, modify a few comments and improve variable names,
535      - the changed computation of deltaC affects most seaice-related
536        experiments at the truncation level.
537        seaice_itd.thermo is affected by far the most, with
538        only 7 digits of agreement remaining; update experiments.
539    
540    checkpoint65l (2015/05/04)
541    o pkg/shelfice:
542      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
543        factor drKp1 to zero where it is negative (ie. do not use
544        SHELFICEBoundaryLayer if hFacC>1)
545      - the same for factor drLoc in shelfice_forcing.F
546    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
547        with modules in ptracers, when using testreport option "-small_f"
548    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
549      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
550  o verification/testreport  o verification/testreport
551    - add new option -small_f    - add new option -small_f
552      with this option testreport first makes the target small_f (*.f files)      with this option testreport first makes the target small_f (*.f files)
553      before running make (all). This is useful for explicit inlining when      before running make (all). This is useful for explicit inlining when
554      all sources need to be full available.      all sources need to be full available.
555    o pkg/exf/exf_interp.F:
556        remove previous changes related to reverse (decreasing) input grids latitude
557    
558  checkpoint65k (2015/04/01)  checkpoint65k (2015/04/01)
559  o pkg/ecco:  o pkg/ecco:

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