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revision 1.2114 by jmc, Wed Jan 14 20:49:27 2015 UTC revision 1.2264 by jmc, Mon Sep 12 15:51:13 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/ptracers:
8      - add Bruno Deremble's code to complete the linear surface correction
9        for tracer conservation;
10      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
11    
12    checkpoint65y (2016/07/29)
13    o pkg/debug (stats):
14      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
15        proc/thread mapping);
16      - fix Min & Max for case where 1 thread has only empty tiles;
17      - use RL variable to count number of wet grid points (with big domain,
18        can be too large to fit into integer*4).
19    o pkg/monitor:
20      - use RL variable to count number of wet grid points (but used only for del2)
21      - add new routine to compute Advective CFL within tracer time-stepping with
22        writing delayed until next monitor output.
23    o pkg/obcs:
24      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
25    o pkg/cal:
26      - calandar-dump: treat case myTime < timePhase in the same way as in
27        eesupp/src/diff_phase_multiple.F (when not using calandar-dump).
28    o pkg/dic & seaice:
29      - fix compilation of ocean component for coupled atm+ocn model with
30        seaice dynamics & dic.
31    
32    checkpoint65x (2016/06/11)
33    o add a license text file in main MITgcm tree.
34    o added pkg/bling:
35      - intermediate complexity biogeochemical model
36      - see bling_description.txt for details
37      - verification experiment is global_oce_biogeo_bling (for now, in
38        Contrib/verification_other/); tested daily on baudelaire with gfortran.
39      - add entry point in pkg/gchem for new pkg "bling".
40    o pkg/seaice: fix tensile stength computation
41      - replace global field tensileStrength by tensileStrFac
42      - tensileStrFac can be computed once in S/R seaice_init_varia
43      - fortunately that does not affect any verification results
44    
45    checkpoint65w (2016/05/12)
46    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
47         with ECCO_CTRL_DEPRECATED defined
48    o verification/global_ocean.cs32x15:
49      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
50        with "selectNHfreeSurf=1".
51    o model/src (non-hydrostatic free-surface):
52      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
53        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
54      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
55        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
56        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
57        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
58      - Update output (changes at machine truncation level) of verification exp:
59        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
60        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
61    o pkg/seaice: ITD code
62      - fix picking up from a single category model by initialising
63        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
64      - split a long warning message in seaice_check_pickup.F into two lines,
65        because NEC SX-ACE cannot deal with the long line.
66    o model/src:
67      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
68    o pkg/seaice:
69      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
70    o pkg/seaice:
71      - add basal stress as parameterisation for grounding ice
72        following Lemieux et al. (2015)
73      - turn on by setting new parameter SEAICEbasalDragK2 to a value
74        larger than 0. Lemieux et al. (2015) recommend 15.
75      - The adjoint complains with extra recomputations so there is also a
76        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
77        order to postpone the problem
78      - compile the new code in lab_sea
79    o verification/halfpipe_streamice:
80      - update both TAF and OpenAD adm output (machine truncation differences)
81    
82    checkpoint65v (2016/04/08)
83    o verification/advect_xz:
84      - increase overlap size from 3 to 4 and add new secondary test for PQM
85        advection scheme (with mono & wino limiter).
86      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
87    o model/src:
88      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
89        added phi0Ref) to set vertical axis origin and phiRef origin;
90        keep Ro_SeaLevel for backward compatibility (with a warning).
91       According to coordinate and fluid type:
92        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
93        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
94        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
95        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
96      - remove Ro_SeaLevel from ATM experiment parameter files;
97      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
98        complement; update output.txt (changes at machine truncation level).
99    o pkg/seaice/seaice_evp.F
100      - simplify computation of deltaZ and zetaZ to simple averaging following
101        Bouillon et al. (2013). This removes a lot of code, but also changes
102        verification experiment lab_sea.hb87 -> updated
103    
104    checkpoint65u (2016/03/14)
105    o pkg/generic_advdiff:
106      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
107        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
108        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
109        testing and not for actual use.
110    o model/src:
111      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
112        origin r = rF(1);
113      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
114        in EOS for height coordinate: enable to include NH Pressure or to use
115        more accurate pressure vertical profile; options not linked to EOS type
116        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
117      - start to implement variable gravity (along vertical): for now, only with
118        z-coords (not even z*).
119      - add Ideal Gas equation of state for height coordinate.
120      - update OpenAD output (affected at machine truncation level) of exp:
121        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
122    o pkg/exf:
123      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
124        of exf interpolation (before any rescaling, rotation or interpolation
125        to velocity point) for each field that gets loaded from file. This option
126        identically mimics the input file organization (e.g. record numbers in year
127        by year input files) besides the change in horizontal grid.
128      - add rotateStressOnAgrid run-time switch so that wind stress fields
129        can be provided on the A-grid in zonal/meridional direction and
130        rotated on the fly. This only applies to the case when the exf
131        interpolation is off and rotateStressOnAgrid is false by default.
132    o model/src:
133      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
134        it's also used with pkg/atm_phys) and add few more parameters (but still
135        inactive, src code yet to come)
136    
137    checkpoint65t (2016/02/10)
138    o pkg/atm_phys:
139      - from Ruth Geen: add optical depth dependence on CO2 concentration.
140    o model/src:
141      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
142        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
143        Update output of exp. deep_anelastic (changes at truncation level).
144    o tools:
145      - add a hack in "remove_comments_sed" (used only with TAF) for recent
146        version of OpenMPI (shipped with FC.23): comment out the new header
147        file "mpif-sizeof.h" which causes problems to TAF.
148    o pkg/seaice:
149      - change the termination criterion so that maxits (SEAICElinearIterMax)
150        has an effect
151      - unify iteration parameters for implicit solvers (JFNK and Picard)
152        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
153        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
154        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
155        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
156        SEAICEnonLinTol     replaces JFNKgamma_nonlin
157      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
158      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
159        use with SEAICEuseKrylov
160    o pkg/seaice/seaice_lsr.F
161        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
162        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
163        an effect.
164    o pkg/seaice: add two new parameters
165      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
166        parameter is not in any namelist)
167      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
168        a preconditioner for the non-linear Newton iteration of the JFNK
169        solver
170    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
171      affects some experiments at truncation level:
172      - global_ocean.cs32x15.icedyn (11 digits),
173      - global_ocean.cs32x15.seaice (11 digits),
174      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
175      - also update global_ocean.cs32x15 adjoint and tangent-linear results
176    o pkg/salt_plume & pkg/thsice:
177      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
178        connect salt_plume flux to ATM-OCN coupling pkgs interface:
179       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
180         export to coupler interface) even without compiling pkg/salt_plume ;
181       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
182         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
183    o pkg/dic:
184      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
185        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
186        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
187      - move also update with values from ATM-OCN Coupler in the same new S/R
188        (previously done in ocn_apply_import.F).
189    o tools/adjoint_options:
190      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
191        has been changed on Jan 14, 2016.
192    o pkg/ggl90:
193      - add alternative discretisation of vertical shear (off by default), to
194        compute the mean (@ grid-cell center) of vertical shear compon instead of
195        vertical shear of mean flow (@ grid-cell center).
196      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
197        results on adjacent faces of cubed-sphere grids; this fix the restart.
198    o pkg/atm_compon_interf:
199      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
200        pass last value, stored directly before export to CPL ;
201        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
202      - remove atmSLPr from pickup files (no longer needed for restart)
203    
204    checkpoint65s (2016/01/13)
205    o eesupp & genmake2:
206       - first check for Function ETIME and, if it fails, then check for subroutine
207         ETIME and consistent output; use the appropriate version in timers.F
208    o model/src:
209      - to check restart test, add option to apply EXCH to U,V earlier, just before
210        integr_continuity; turned off by default.
211    o pkg/dic:
212      - remove CPP option USE_ATMOSCO2 (not needed)
213    o tools/tst_2+2:
214      - try to ignore difference between +0 and -0 in binary file, causing test
215        to fail for no good reason.
216    o eesupp & genmake2:
217      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
218        but also check (in genmake2) that test runs and returns meaningful results.
219    o coupler pkgs:
220      Finish implementation of optionally-exchanged variable switches (started on
221       Nov 12) with addition of few more exchanged fields, including 2-way exchange
222       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
223       advection in OCN component; this requires sequential coupling.
224      coupler (pkg/atm_ocn_coupler):
225      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
226        routines (useful for debug).
227      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
228         flux, DIC fields) if corresponding switch is ON.
229      - add option to export RunOff to OCN (to use for DIC river input)
230      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
231      components (pkg/atm_ & ocn_compon_interf):
232      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
233        optionally exchanged fields; add a check & stop in cpl_readparms.F.
234        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
235        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
236      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
237        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
238      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
239      - hold in common block coupler optionally-exchanged variable switch
240        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
241      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
242        this is intended to replace the OCN cplFldtave.* output files (not updated
243        to contain new additional exchanged fields).
244    o pkg/dic:
245      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
246    o pkg/thsice:
247      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
248        and writing of thsice pickup files.
249    o pkg/atm_compon_interf:
250      - move all field individual export-call out of cpl_export_import_data.F
251        into new S/R ATM_EXPORT_FIELDS
252    o pkg/atm_compon_interf:
253      - store state variables (for now, only thSIce fields) just before beeing
254        exported (in cpl_export_import_data.F, like on ocean side) instead of from
255        atm_store_my_data.F like all exported fluxes.
256      - new version of pickup_cpl: write field names into meta file and read meta
257        file to find field postion in pickup. Also only write/read fields meeded for
258        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
259    o pkg/dic:
260      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
261    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
262        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
263        value can be from domain [0,1] to average between the two methods
264    o pkg/atm_phys:
265      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
266        hold fixed in time).
267    
268    checkpoint65r (2015/12/21)
269    o pkg/seaice:
270        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
271        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
272    o pkg/seaice:
273      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
274        when SEAICEscaleSurfStress=.TRUE.,
275      - apply areaW and areaS in S/R seaice_calc_lhs
276    o pkg/atm_phys:
277      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
278        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
279        for individual contribution (convection, LSC cond, radiation)
280      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
281        information); activated with: solar_exponent=0. and wv_exponent=-1.
282    o pkg/ggl90:
283      - within IDEMIX add upper limit for horizontal group velocity to
284        avoid instability problems in the explicit horizontal diffusion term for
285        long time steps or high resolution
286    o pkg/diagnostics:
287      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
288        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
289    o testreport:
290      - remove "-v" (verbose option) in default mpirun command.
291    o pkg/seaice/seaice_growth:
292      - catch potential division by zero in ITD code, does not change
293        verification results
294    o pkg/ecco:
295      - retire old codes to the Attic. The calls to retired functions are
296        left in a commented form in case they ever need to be re-activated.
297      - ecco_check.F: issue warning if any old CPP option is
298        defined that corresponds to retired codes -- then stop.
299    o pkg/atm_compon_interf:
300      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
301        coupler: use last time-step value instead of average over cplSendFrq_iter
302        time-step, similar to what is done for seaIceMass.
303        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
304    o eesupp & genmake2:
305      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
306        <= remove until a fix is found for some ifort version on ia32 machine.
307    o pkg/seaice/seaice_evp:
308      - refine residual computation
309    
310    checkpoint65q (2015/11/18)
311    o pkg/seaice/seaice_evp:
312      - fix residual computations so that they no longer affect the actual
313        simulation code
314      - fix seaice_readparams to be able to actually set new parameters
315        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
316    o model/src:
317      - fix wrong truncation (single prec) from "FLOAT" function in expressions
318        like: deltaT*FLOAT(myIter) when myIter is large:
319         a) replaced by DFLOAT (if not seen by TAF);
320         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
321    o pkg/aim_v23:
322      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
323        when pickupSuff is set ; do write rolling pickups + at the end of the run.
324    o pkg/atm_ocn_coupler + ocn_compon_interf:
325      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
326        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
327        add corresponding call in DO_OCEANIC_PHYS.
328    o coupler pkgs:
329      Start a new way to set-up optionally-exchanged variables (previously, only
330       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
331       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
332       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
333       compononent param default can be set accordingly).
334      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
335       but rather applies to a group a fields (going both ways like for DIC)
336       and corresponds to an option of coupling config.
337      coupler (pkg/atm_ocn_coupler):
338      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
339        and read namelist directly (without eessup S/R calls) instead of
340        in the very un-flexible old way, 1 param per line, in fixed order;
341      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
342        cleanly in CPL_CHECK_CPLCONFIG
343      - add new coupling-exchange selectors (some not yet active) including
344        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
345                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
346      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
347        component ; called directly from coupler.F, after comp. registrations;
348      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
349         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
350          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
351      components (pkg/atm_ & ocn_compon_interf):
352      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
353        CPP header file in all pkg source files.
354      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
355        ATM/OCN_CHECK_CPLCONFIG;
356      - add error-counter to track errors (e.g., in "data.cpl") and to stop
357        cleanly in ATM/OCN_CHECK_CPLCONFIG;
358      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
359        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
360        before PACKAGES_READPARMS;
361      verification/cpl_aim+ocn/:
362      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
363        "data.cpl" for coupler (in input_cpl).
364    o eesupp/inc:
365      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
366        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
367        to always cumulate tile local-sum in the same order (still uses
368        MPI_Allreduce like standard code).
369      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
370        that are now identical to standard version (in eesupp/inc).
371    o pkg/shelfice:
372      - add SHELFICETransCoeffTFile for initializing spatially varying
373        heat and salt transfer coefficients
374    o pkg/atm_compon_interf & ocn_compon_interf:
375      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
376        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
377      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
378    o pkg/atm_ocn_coupler:
379      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
380    o pkg/rbcs:
381      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
382        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
383      - add a short report (to STDOUT) about RBCS-mask settings.
384    
385    checkpoint65p (2015/10/23)
386    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
387        there is no adjoint test for EVP, we don't know what it does to the adjoint
388        solution, but at least there are no more recomputation warnings left
389    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
390        a chance of giving the same results as a fully converged VP (JFNK) solver
391    o tools/adjoint_options/adjoint_diva:
392      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
393    o pkg/streamice:
394      - spotted bug in streamice_driving_stress using dyG where should have been dxG
395    o pkg/exf:
396      - remove STOP statement that prevented to use wind or (wind-)stress
397        interpolation for constant-in-time forcing fields (wind/stress period = 0).
398    o pkg/seaice:
399      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
400        5 additionals 2D fields and 6 new store directives
401      - change logic in seaice_readparms.F: EVP code can now be turned on in
402        various ways, setting SEAICE_deltaTev is no longer required,
403        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
404        or SEAICEaEVPcoeff
405    o pkg/shelfice/shelfice_thermodynamics.F
406      - redefining uLoc/vLoc to u/v, instead of 2u/v
407    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
408      - this is an intermediate state of a truely converging EVP that has
409        the potential of outperforming implicit VP methods, I do not recommend
410        using it yet.
411      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
412        and all parameters are hardwired
413      - for convergence it still requires very smooth regularisations, that means,
414        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
415        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
416        specific averaging appears to be required, still subject to tuning
417      - still needs cleaning and I need to turn parameter into runtime parameters
418      - add code to compute and print residuals of iteration, compile with
419        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
420    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
421      that entered with r1.54 on Sep04, 2015, -> update results
422    
423    checkpoint65o (2015/09/14)
424    o pkg/mom_vecinv & mom_common:
425      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
426        called from there.
427      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
428        allows to use Vector-Invariant form in deep atmos and anelastic formulation
429    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
430      and Koenig-Beatty+Holland (2012)
431      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
432      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
433      - requires an extra input argument for S/R seaice_calc_viscosities
434      - tensileStrength's depth dependence is different from Itkin et al. (2015)
435        (to be changed and played with, for now exponential)
436    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
437      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
438        by AREA according to Connelly et al. (2004), JPO.
439      - For EVP and the LSR solver, the implicit part of the drag term is
440        the only non-zero term in the denominator when there is no ice (which
441        prevented running the model with zero ice-ocean drag). If
442        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
443        (or zero main diagonals BU/BV) which need to be caught. A practical
444        consequence is that for open water, the momentum equation reduce
445        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
446        they happen to be zero, often leading to a non-zero solution over
447        open water.
448    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
449        efficient EVP method.
450      - introduce area-weighted averages for e12 (analogously to
451        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
452        remain, but also changing the order of terms in the previous average
453        changed the results as much) -> update experiment
454      - add SEAICE_DELTA_SMOOTHREG code
455      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
456        TEM-code
457      - adjust loop bounds so that only required fields are computed
458      - add new averaging code for zetaZ/deltaZ (again similar to
459        seaice_calc_viscosities.F), inactive by default for now (will change
460        results again), but will replace old code eventually
461    o eesupp/src:
462      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
463        to always cumulate tile local-sum in the same order
464        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
465        Still uses MPI_Allreduce (like standard code) but on array of tiles
466        and should be faster than GLOBAL_SUM_SEND_RECV code.
467      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
468        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
469      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
470         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
471         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
472         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
473         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
474    
475    checkpoint65n (2015/07/29)
476    o pkg/thsice:
477      - add a warning when used with pkg/aim but without updating SST
478        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
479    o pkg/offline:
480      - change where Offline-Fields are loaded, from load_fields_driver.F to
481        directly within FORWARD_STEP, just after updating iter number and time;
482      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
483        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
484       These changes allow:
485        a) to recover exactly on-line results using deltaToffline=deltaTClock,
486        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
487        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
488        time-step, both with GM & KPP files and with recomputing these fields;
489        b) no needs to switch on staggerTimeStep anymore;
490        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
491      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
492    o pkg/offline:
493      - change (rarely used) offset-iteration parameter to an offset time (in s):
494        can easily recover previous offset-iter effect by setting offset-time
495        (offlineTimeOffset) to offset-iter x deltaToffline;
496      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
497        in KPP as part of surface buoyancy forcing) in offline run.
498      - fix ptracers KPP non-local term in the case where KPP is re-computed.
499    o OpenAD
500      - Adding preliminary ggl90 test to OpenAD verification.
501        Config. with ggl90 currently diverges after 64 time steps
502        so will need more work to become more stable
503      - Adding preliminary kpp test to OpenAD verification.
504        required small tweakes in kpp_routines.F
505      - Merge and update from Krishna Narayanan's contrib area:
506        * Add one variable for preliminary OpenAD DIVA
507        * Add replacement time-stepping for OpenAD DIVA
508        * genmake2 flag -diva (but only for OpenAD; preliminary)
509        * required modifs for OAD_support
510        successful preliminary test for tutorial_global_oce_biogeo/
511    o pkg/seaice:
512      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
513      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
514        delta with a smooth function in s/r seaice_calc_viscosity
515        (no effect on EVP)
516      - rename local suffix "sqr" into "sq" for more consistent variable names
517    o pkg/seaice:
518        add new parameter SEAICE_deltaMin that is used ***only***
519        for regularizing Delta (and nothing else, like the parameter
520        which is also used for all sorts of things SEAICE_EPS).
521        Defaults to SEAICE_EPS for backward compatibility only.
522    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
523        the wrong key by inialising it before use -> fixes a recomputation
524        problem but does not fix the gradient
525    o pkg/layers:
526      - move resetting of flux arrays to outside the iLa loop
527        (this caused layers_diapycnal to not work with more than one layer coord.)
528      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
529    o pkg/layers:
530      - remove from common block 3D layers fields (used to diagnose transport
531        in tracer coords) and declare them as local arrays in layers_calc.F
532    o pkg/seaice:
533      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
534        in lab_sea forward experiment (changes results -> updated)
535      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
536    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
537       computations; for SEAICE_VECTORIZE_LSR
538      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
539        sweep to the outside,
540      - remove store directives and add "CADJ loop sequential" directives
541        in analogy to model/src/solve_tridiagonal.F
542      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
543        boundaries to yield more readable code. This has also the charming side
544        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
545        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
546        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
547        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
548        an additional option)
549       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
550       but the adjoint gradients (which are affected by this change) still explode.
551    o coupler (atm & ocn _compon_interf):
552      - avoid using Exch2 IO mapping if not suitable.
553    
554    checkpoint65m (2015/06/15)
555    o pkg/layers:
556      - clean-up old parameters setting (from Sep 2012):
557        + remove old parameters setting from common block (declared locally);
558        + stop if any old parameter is mixed with new parameters;
559        + check for valid or consistent parameter setting (e.g., layers_name)
560      - check that layers_bounds for Pot.Density are in the right range;
561        this is supposed to catch un-updated setting after recently shifting
562        potential density field "prho" by -1000 (now in "sigma" scale).
563    o pkg/layers:
564      - Added missing call to layers_fill for keeping track of tottend in
565        pkg/diagnostics/diagnostics_fill_state.F
566    o pkg/layers:
567      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
568        of diapycnal fluxes
569    o pkg/layers:
570      - reverted changes to interpolation to previous treatment; there
571        was never actually a problem
572    o pkg/layers:
573      - fix interpolation of layers tracers in the presence of partial cells
574      - add lots of new functionality to compute water mass transformation
575        (enabled by CPP flag LAYERS_THERMODYNAMICS)
576      - add new calls from main code (diags_oceanic_surf_flux.F,
577        thermodynamics.F, impldiff.F) and gad to save the necessary fields
578        for layers_thermodynamics calculations
579    o pkg/ptracers:
580      - add capability of stepping a passive tracer forward without advection
581        by setting PTRACERS_advScheme to 0.
582    o pkg/diagnostics:
583      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
584    o pkg/layers:
585      - shift potential density field "prho" by -1000 for density layer averaging so
586        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
587        Note that density bin boundaries (layers_bounds in data.layers) have
588        to be set accordingly (i.e., shifted, in sigma scale).
589    o pkg/layers:
590      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
591      - fix calculation of layer non-weighted velocity and layer probability
592      - add diagnostics for pot.density used for layer averaging
593    o pkg/seaice:
594      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
595        positiveness, modify a few comments and improve variable names,
596      - the changed computation of deltaC affects most seaice-related
597        experiments at the truncation level.
598        seaice_itd.thermo is affected by far the most, with
599        only 7 digits of agreement remaining; update experiments.
600    
601    checkpoint65l (2015/05/04)
602    o pkg/shelfice:
603      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
604        factor drKp1 to zero where it is negative (ie. do not use
605        SHELFICEBoundaryLayer if hFacC>1)
606      - the same for factor drLoc in shelfice_forcing.F
607    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
608        with modules in ptracers, when using testreport option "-small_f"
609    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
610      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
611    o verification/testreport
612      - add new option -small_f
613        with this option testreport first makes the target small_f (*.f files)
614        before running make (all). This is useful for explicit inlining when
615        all sources need to be full available.
616    o pkg/exf/exf_interp.F:
617        remove previous changes related to reverse (decreasing) input grids latitude
618    
619    checkpoint65k (2015/04/01)
620    o pkg/ecco:
621        fix missing cosphi initialization; use eccoiter in place of optimcycle;
622        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
623        instead of active read/write
624    o pkg/ctrl:
625        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
626        instead of active read/write.
627    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
628        return if .NOT.useAUTODIFF
629    o pkg/seaice: add CPP brackets (cost function related).
630    o model/src:
631        add useAUTODIFF run time switch.
632    o pkg/exf/exf_interp.F:
633        add code to allow input grids with latitude starting in the north (i.e. when
634        j=1 corresponds to northern edge of field); modify global_with_exf to test
635        this feature.
636    o verification/testreport:
637      - replace "grep -A3" with POSIX conformal sed command, because there are
638        implementations of grep that cannot do contextual searches
639      - replace "cat -n" by "nl" (two occurrences), because not all implementations
640        of "cat" have the option "-n"
641    o model/src:
642        add new file gsw_teos10.F that contains 3 functions, more or less a copy
643        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
644        convert from conservative to potential temperature. For now they are not
645        called anywhere.
646    o pkg/ggl90: make "useIDEMIX" useful
647      - re-organize code in s/r ggl90_calc a little to move computations that
648        are different for idemix into separate loops (changes verification
649        experiment idemix at truncation level, 12 digits remain -> updated)
650      - requires 2 new 2D fields KappaM, verticalShear
651      - make hFacI and recip_hFacI local 3D variables that are passed to
652        s/r ggl90_idemix
653      - fix and improve some comments
654    
655    checkpoint65j (2015/02/25)
656    o pkg/openad
657      - synchronize seawater.F with version in model/src: replace routine
658        body of sw_temp by calling sw_ptmp and fix/add a few comments.
659    o pkg/mnc:
660      - change default value of pickup_read/write_mnc params to FALSE
661        (since few features are missing in reading MNC pickup files).
662    o model/src:
663      - change default (background) vertical diffusivity for salt to be the
664        temperature (background) vertical diffusivity.
665      - change background vertical diffusivity in vertical mixing pkgs ggl90,
666        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
667        This makes ptracers default diffusivity (that uses salt diffKr) more
668        consistent with vertical mixing schemes.
669    o verification/testreport:
670      - fix typo in "-pcls" option ;
671      - put temp files in /tmp (instead of in local dir)
672      - add option "-ncad" to use genmake2 new option "-nocat4ad"
673      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
674    o pkg/ggl90 (idemix code):
675      - apply few fixes ; add some missing "_d 0" ; update output of exp.
676        global_ocean.90x40x15.idemix
677    o OpenAD
678      - enable active file I/O and begin removal of work-around code
679        for OpenAD for handling control variables (memory vs. active files)
680      - new CPP options file OPENAD_OPTIONS.h
681      - revert to genarr2d gradient check for hs94.1x64x5
682      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
683      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
684    o tools/genmake2:
685      - add option for an alternative Makefile (from Martin) where multiple
686        source files are sent to TAF (instead of all in one file).
687    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
688      - code provided by Carsten Eden as an extension of ggl90
689      - so far the code is turned on within ggl90 by setting a CPP-flag at
690        compile time; a runtime flag implementation is not yet complete
691      - tested in new verification experiment global_ocean.90x40x15.idemix
692    o verification:
693      - reduce length of the AD test run by half for experiments
694        global_ocean.cs32x15 (std + thsice) and isomip
695      - enable active file I/O for OpenAD, adjust verifications accordingly
696      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
697    o verification/testreport:
698      - fix two non-POSIX sed statements so that there are no error messages
699        on Mac OS X
700      - replace hostname -s with hostname | sed 's/\..*$//'
701    o model/src/seawater.F:
702      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
703        (following the matlab code), which would have avoided the bug caught
704        by Matt (see below) in the first place
705    o pkg/shelfice:
706      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
707        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
708      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
709        ice-shelf case (i.e., within surface level).
710      - add config summary in shelfice_check.F
711      - remove global variable recip_SHELFICElatentHeat and replace by a local
712        variable recip_latentHeat
713      - introduce diagnostics for friction velocity uStar (in case of
714        SHELFICEuseGammaFrict)
715      - change verification experiment isomip.htd:
716        + start from pickup (as input_ad at nIter0=8640)
717        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
718        + test SHELFICEuseGammaFrict = .TRUE.
719        + test SHELFICEadvDiffHeatFlux = .TRUE.
720    o model/src:
721      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
722        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
723        update output of experiments global_with_exf.yearly and isomip (all 6).
724    o pkg/shelfice:
725      - change setting of kTopC to also be zero where there is no ice-shelf.
726      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
727        ice-shelf is.
728      - first attempt to get RealFreshWaterFlux effects: for now, only without
729        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
730    o pkg/seaice: add the option to prescribe a fixed thickness PDF
731      for thermodynamic calculations
732      - because of divisions of the type 7/7 not exactly equal to 1, this change
733        affects results of some verification experiments by up to 4 digits:
734        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
735        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
736        adjoint: lab_sea, lab_sea.noseaicedyn
737        -> updated
738    
739    checkpoint65i (2015/01/23)
740    o model/src:
741      - change units of frictionHeating field from W to W/m^2
742      - fix bug in frictional heating from stratospheric drag in
743        S/R ATM_PHYS_TENDENCY_APPLY_V
744      - with synchronous time-stepping: move resetting to zero of frictionHeating
745        field from load_fields_driver.F to thermodynamics.F ;
746      - add diagnostics for frictional heating.
747    o model/src & gmredi K3D:
748      - add frictionHeating field to pickup-files (for synchronous time-stepping)
749      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
750      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
751        and name in pickup file).
752      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
753  o model/src:  o model/src:
754    - move (from ini_forcing.F) initialisation of all arrays in header file    - move (from ini_forcing.F) initialisation of all arrays in header file
755      FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart      FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
# Line 54  o model/src & mom pkgs: Line 800  o model/src & mom pkgs:
800      just copy level Nr value to level Nr+1.      just copy level Nr value to level Nr+1.
801  o doc:  o doc:
802    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
803  o pkg/streamice:  o pkg/shelfice:
804    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
805      SHELFICE.h: move array shelficemass to init_varia, initialise      SHELFICE.h: move array shelficemass to init_varia, initialise
806      from array shelficemassinit, which is set in init_fixed and      from array shelficemassinit, which is set in init_fixed and

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