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revision 1.2114 by jmc, Wed Jan 14 20:49:27 2015 UTC revision 1.2273 by jmc, Wed Sep 28 15:17:21 2016 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint65z (2016/09/28)
8    o pkg/seaice: fix multithreading for seaice_fgmres.F
9      - remove unecessary variables from common blocks
10      - use extra dimension MAX_NO_THREADS for all variables of the Krylov space
11        basis, that are stored in commom blocks (including integer variable i1)
12      - clean up code a little by removing commented lines that refer to
13        original code
14      - turn on multi-threaded test for experiment offline_exf_seaice.dyn_jfnk.
15    o MITgcm manual:
16     - add uptodate pkg/ecco documentation to the manual (section 8.1; ecco.tex),
17       preliminary documentation for generic controls (8.3; ctrl.tex),
18       a placeholder for smooth (8.4; smooth.tex), and comment out the deprecated
19       ecco_costfunction.tex
20    o pkg/ecco:
21     - update and cleanup list of CCP options
22     - re-assign gencost_mask to specify masks rather than gencost_errfile; 'c'
23       is now always passed to cost_generic; gencost_mask is now MAX_LEN_FNAM
24     - add checks that retired run-time options are not used, and in relation
25       to gencost_mask and gencost_errfile
26     - finish deprecating gencost_scalefile, gencost_smooth2Ddiffnbt, and
27       gencost_nrecperiod
28     - fix m_eta computation for virtual salt flux case
29     - add m_horflux_vol case (selected via gencost_barfile) that computes
30       transports via cost_gencost_boxmean (gencost_flag=-3)
31     - use gencost_flag more systematically (i.e., avoid using gencost_name)
32       for code switches (aside from physical variable selection)
33    o pkg/seaice: make seaice_fgmres.F fit for multithreading; this first
34      attempt appears to be a bit of a hack and my need some repair down the road
35    o pkg/exf:
36      - interpolation near South Pole: fix criteria on input field latitude.
37    o pkg/icefront & pkg/exf:
38      - move setting of icefront Sub-Glacial RunOff forcing (currently unused)
39        from pkg/exf (read from data.exf) to pkg/icefront (read from data.icefront)
40    o pkg/exf:
41      - replace CPP option ALLOW_EXF_OUTPUT_INTERP with run-time parameter
42        "exf_output_interp" (in namelist: EXF_NML_04); change output file name
43        (add suffix "_out" instead of a prefix); keep same record number as in
44        input file but always write record 1 first (to avoid a STOP in I/O S/R).
45        Change output file content by writing interpolated field before applying
46        land-sea mask (helpful for debug).
47      - 2 compon. vector interpolation with rotation: apply scaling factor on
48        each compon. (Eastward and Northward) just before rotation.
49    o pkg/bling:
50      - Cleaned package. Removed not needed code and comments.
51      - adjoint example now works
52        (MITgcm_contrib/verification_other/global_oce_biogeo_bling/code_ad)
53    o pkg/ptracers:
54      - add Bruno Deremble's code to complete the linear surface correction
55        for tracer conservation;
56      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
57    
58    checkpoint65y (2016/07/29)
59    o pkg/debug (stats):
60      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
61        proc/thread mapping);
62      - fix Min & Max for case where 1 thread has only empty tiles;
63      - use RL variable to count number of wet grid points (with big domain,
64        can be too large to fit into integer*4).
65    o pkg/monitor:
66      - use RL variable to count number of wet grid points (but used only for del2)
67      - add new routine to compute Advective CFL within tracer time-stepping with
68        writing delayed until next monitor output.
69    o pkg/obcs:
70      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
71    o pkg/cal:
72      - calandar-dump: treat case myTime < timePhase in the same way as in
73        eesupp/src/diff_phase_multiple.F (when not using calandar-dump).
74    o pkg/dic & seaice:
75      - fix compilation of ocean component for coupled atm+ocn model with
76        seaice dynamics & dic.
77    
78    checkpoint65x (2016/06/11)
79    o add a license text file in main MITgcm tree.
80    o added pkg/bling:
81      - intermediate complexity biogeochemical model
82      - see bling_description.txt for details
83      - verification experiment is global_oce_biogeo_bling (for now, in
84        Contrib/verification_other/); tested daily on baudelaire with gfortran.
85      - add entry point in pkg/gchem for new pkg "bling".
86    o pkg/seaice: fix tensile stength computation
87      - replace global field tensileStrength by tensileStrFac
88      - tensileStrFac can be computed once in S/R seaice_init_varia
89      - fortunately that does not affect any verification results
90    
91    checkpoint65w (2016/05/12)
92    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
93         with ECCO_CTRL_DEPRECATED defined
94    o verification/global_ocean.cs32x15:
95      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
96        with "selectNHfreeSurf=1".
97    o model/src (non-hydrostatic free-surface):
98      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
99        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
100      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
101        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
102        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
103        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
104      - Update output (changes at machine truncation level) of verification exp:
105        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
106        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
107    o pkg/seaice: ITD code
108      - fix picking up from a single category model by initialising
109        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
110      - split a long warning message in seaice_check_pickup.F into two lines,
111        because NEC SX-ACE cannot deal with the long line.
112    o model/src:
113      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
114    o pkg/seaice:
115      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
116    o pkg/seaice:
117      - add basal stress as parameterisation for grounding ice
118        following Lemieux et al. (2015)
119      - turn on by setting new parameter SEAICEbasalDragK2 to a value
120        larger than 0. Lemieux et al. (2015) recommend 15.
121      - The adjoint complains with extra recomputations so there is also a
122        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
123        order to postpone the problem
124      - compile the new code in lab_sea
125    o verification/halfpipe_streamice:
126      - update both TAF and OpenAD adm output (machine truncation differences)
127    
128    checkpoint65v (2016/04/08)
129    o verification/advect_xz:
130      - increase overlap size from 3 to 4 and add new secondary test for PQM
131        advection scheme (with mono & wino limiter).
132      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
133    o model/src:
134      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
135        added phi0Ref) to set vertical axis origin and phiRef origin;
136        keep Ro_SeaLevel for backward compatibility (with a warning).
137       According to coordinate and fluid type:
138        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
139        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
140        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
141        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
142      - remove Ro_SeaLevel from ATM experiment parameter files;
143      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
144        complement; update output.txt (changes at machine truncation level).
145    o pkg/seaice/seaice_evp.F
146      - simplify computation of deltaZ and zetaZ to simple averaging following
147        Bouillon et al. (2013). This removes a lot of code, but also changes
148        verification experiment lab_sea.hb87 -> updated
149    
150    checkpoint65u (2016/03/14)
151    o pkg/generic_advdiff:
152      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
153        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
154        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
155        testing and not for actual use.
156    o model/src:
157      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
158        origin r = rF(1);
159      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
160        in EOS for height coordinate: enable to include NH Pressure or to use
161        more accurate pressure vertical profile; options not linked to EOS type
162        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
163      - start to implement variable gravity (along vertical): for now, only with
164        z-coords (not even z*).
165      - add Ideal Gas equation of state for height coordinate.
166      - update OpenAD output (affected at machine truncation level) of exp:
167        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
168    o pkg/exf:
169      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
170        of exf interpolation (before any rescaling, rotation or interpolation
171        to velocity point) for each field that gets loaded from file. This option
172        identically mimics the input file organization (e.g. record numbers in year
173        by year input files) besides the change in horizontal grid.
174      - add rotateStressOnAgrid run-time switch so that wind stress fields
175        can be provided on the A-grid in zonal/meridional direction and
176        rotated on the fly. This only applies to the case when the exf
177        interpolation is off and rotateStressOnAgrid is false by default.
178    o model/src:
179      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
180        it's also used with pkg/atm_phys) and add few more parameters (but still
181        inactive, src code yet to come)
182    
183    checkpoint65t (2016/02/10)
184    o pkg/atm_phys:
185      - from Ruth Geen: add optical depth dependence on CO2 concentration.
186    o model/src:
187      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
188        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
189        Update output of exp. deep_anelastic (changes at truncation level).
190    o tools:
191      - add a hack in "remove_comments_sed" (used only with TAF) for recent
192        version of OpenMPI (shipped with FC.23): comment out the new header
193        file "mpif-sizeof.h" which causes problems to TAF.
194    o pkg/seaice:
195      - change the termination criterion so that maxits (SEAICElinearIterMax)
196        has an effect
197      - unify iteration parameters for implicit solvers (JFNK and Picard)
198        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
199        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
200        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
201        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
202        SEAICEnonLinTol     replaces JFNKgamma_nonlin
203      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
204      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
205        use with SEAICEuseKrylov
206    o pkg/seaice/seaice_lsr.F
207        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
208        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
209        an effect.
210    o pkg/seaice: add two new parameters
211      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
212        parameter is not in any namelist)
213      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
214        a preconditioner for the non-linear Newton iteration of the JFNK
215        solver
216    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
217      affects some experiments at truncation level:
218      - global_ocean.cs32x15.icedyn (11 digits),
219      - global_ocean.cs32x15.seaice (11 digits),
220      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
221      - also update global_ocean.cs32x15 adjoint and tangent-linear results
222    o pkg/salt_plume & pkg/thsice:
223      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
224        connect salt_plume flux to ATM-OCN coupling pkgs interface:
225       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
226         export to coupler interface) even without compiling pkg/salt_plume ;
227       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
228         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
229    o pkg/dic:
230      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
231        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
232        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
233      - move also update with values from ATM-OCN Coupler in the same new S/R
234        (previously done in ocn_apply_import.F).
235    o tools/adjoint_options:
236      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
237        has been changed on Jan 14, 2016.
238    o pkg/ggl90:
239      - add alternative discretisation of vertical shear (off by default), to
240        compute the mean (@ grid-cell center) of vertical shear compon instead of
241        vertical shear of mean flow (@ grid-cell center).
242      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
243        results on adjacent faces of cubed-sphere grids; this fix the restart.
244    o pkg/atm_compon_interf:
245      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
246        pass last value, stored directly before export to CPL ;
247        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
248      - remove atmSLPr from pickup files (no longer needed for restart)
249    
250    checkpoint65s (2016/01/13)
251    o eesupp & genmake2:
252       - first check for Function ETIME and, if it fails, then check for subroutine
253         ETIME and consistent output; use the appropriate version in timers.F
254    o model/src:
255      - to check restart test, add option to apply EXCH to U,V earlier, just before
256        integr_continuity; turned off by default.
257    o pkg/dic:
258      - remove CPP option USE_ATMOSCO2 (not needed)
259    o tools/tst_2+2:
260      - try to ignore difference between +0 and -0 in binary file, causing test
261        to fail for no good reason.
262    o eesupp & genmake2:
263      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
264        but also check (in genmake2) that test runs and returns meaningful results.
265    o coupler pkgs:
266      Finish implementation of optionally-exchanged variable switches (started on
267       Nov 12) with addition of few more exchanged fields, including 2-way exchange
268       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
269       advection in OCN component; this requires sequential coupling.
270      coupler (pkg/atm_ocn_coupler):
271      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
272        routines (useful for debug).
273      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
274         flux, DIC fields) if corresponding switch is ON.
275      - add option to export RunOff to OCN (to use for DIC river input)
276      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
277      components (pkg/atm_ & ocn_compon_interf):
278      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
279        optionally exchanged fields; add a check & stop in cpl_readparms.F.
280        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
281        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
282      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
283        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
284      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
285      - hold in common block coupler optionally-exchanged variable switch
286        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
287      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
288        this is intended to replace the OCN cplFldtave.* output files (not updated
289        to contain new additional exchanged fields).
290    o pkg/dic:
291      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
292    o pkg/thsice:
293      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
294        and writing of thsice pickup files.
295    o pkg/atm_compon_interf:
296      - move all field individual export-call out of cpl_export_import_data.F
297        into new S/R ATM_EXPORT_FIELDS
298    o pkg/atm_compon_interf:
299      - store state variables (for now, only thSIce fields) just before beeing
300        exported (in cpl_export_import_data.F, like on ocean side) instead of from
301        atm_store_my_data.F like all exported fluxes.
302      - new version of pickup_cpl: write field names into meta file and read meta
303        file to find field postion in pickup. Also only write/read fields meeded for
304        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
305    o pkg/dic:
306      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
307    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
308        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
309        value can be from domain [0,1] to average between the two methods
310    o pkg/atm_phys:
311      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
312        hold fixed in time).
313    
314    checkpoint65r (2015/12/21)
315    o pkg/seaice:
316        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
317        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
318    o pkg/seaice:
319      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
320        when SEAICEscaleSurfStress=.TRUE.,
321      - apply areaW and areaS in S/R seaice_calc_lhs
322    o pkg/atm_phys:
323      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
324        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
325        for individual contribution (convection, LSC cond, radiation)
326      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
327        information); activated with: solar_exponent=0. and wv_exponent=-1.
328    o pkg/ggl90:
329      - within IDEMIX add upper limit for horizontal group velocity to
330        avoid instability problems in the explicit horizontal diffusion term for
331        long time steps or high resolution
332    o pkg/diagnostics:
333      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
334        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
335    o testreport:
336      - remove "-v" (verbose option) in default mpirun command.
337    o pkg/seaice/seaice_growth:
338      - catch potential division by zero in ITD code, does not change
339        verification results
340    o pkg/ecco:
341      - retire old codes to the Attic. The calls to retired functions are
342        left in a commented form in case they ever need to be re-activated.
343      - ecco_check.F: issue warning if any old CPP option is
344        defined that corresponds to retired codes -- then stop.
345    o pkg/atm_compon_interf:
346      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
347        coupler: use last time-step value instead of average over cplSendFrq_iter
348        time-step, similar to what is done for seaIceMass.
349        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
350    o eesupp & genmake2:
351      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
352        <= remove until a fix is found for some ifort version on ia32 machine.
353    o pkg/seaice/seaice_evp:
354      - refine residual computation
355    
356    checkpoint65q (2015/11/18)
357    o pkg/seaice/seaice_evp:
358      - fix residual computations so that they no longer affect the actual
359        simulation code
360      - fix seaice_readparams to be able to actually set new parameters
361        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
362    o model/src:
363      - fix wrong truncation (single prec) from "FLOAT" function in expressions
364        like: deltaT*FLOAT(myIter) when myIter is large:
365         a) replaced by DFLOAT (if not seen by TAF);
366         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
367    o pkg/aim_v23:
368      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
369        when pickupSuff is set ; do write rolling pickups + at the end of the run.
370    o pkg/atm_ocn_coupler + ocn_compon_interf:
371      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
372        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
373        add corresponding call in DO_OCEANIC_PHYS.
374    o coupler pkgs:
375      Start a new way to set-up optionally-exchanged variables (previously, only
376       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
377       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
378       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
379       compononent param default can be set accordingly).
380      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
381       but rather applies to a group a fields (going both ways like for DIC)
382       and corresponds to an option of coupling config.
383      coupler (pkg/atm_ocn_coupler):
384      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
385        and read namelist directly (without eessup S/R calls) instead of
386        in the very un-flexible old way, 1 param per line, in fixed order;
387      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
388        cleanly in CPL_CHECK_CPLCONFIG
389      - add new coupling-exchange selectors (some not yet active) including
390        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
391                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
392      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
393        component ; called directly from coupler.F, after comp. registrations;
394      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
395         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
396          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
397      components (pkg/atm_ & ocn_compon_interf):
398      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
399        CPP header file in all pkg source files.
400      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
401        ATM/OCN_CHECK_CPLCONFIG;
402      - add error-counter to track errors (e.g., in "data.cpl") and to stop
403        cleanly in ATM/OCN_CHECK_CPLCONFIG;
404      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
405        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
406        before PACKAGES_READPARMS;
407      verification/cpl_aim+ocn/:
408      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
409        "data.cpl" for coupler (in input_cpl).
410    o eesupp/inc:
411      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
412        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
413        to always cumulate tile local-sum in the same order (still uses
414        MPI_Allreduce like standard code).
415      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
416        that are now identical to standard version (in eesupp/inc).
417    o pkg/shelfice:
418      - add SHELFICETransCoeffTFile for initializing spatially varying
419        heat and salt transfer coefficients
420    o pkg/atm_compon_interf & ocn_compon_interf:
421      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
422        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
423      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
424    o pkg/atm_ocn_coupler:
425      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
426    o pkg/rbcs:
427      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
428        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
429      - add a short report (to STDOUT) about RBCS-mask settings.
430    
431    checkpoint65p (2015/10/23)
432    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
433        there is no adjoint test for EVP, we don't know what it does to the adjoint
434        solution, but at least there are no more recomputation warnings left
435    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
436        a chance of giving the same results as a fully converged VP (JFNK) solver
437    o tools/adjoint_options/adjoint_diva:
438      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
439    o pkg/streamice:
440      - spotted bug in streamice_driving_stress using dyG where should have been dxG
441    o pkg/exf:
442      - remove STOP statement that prevented to use wind or (wind-)stress
443        interpolation for constant-in-time forcing fields (wind/stress period = 0).
444    o pkg/seaice:
445      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
446        5 additionals 2D fields and 6 new store directives
447      - change logic in seaice_readparms.F: EVP code can now be turned on in
448        various ways, setting SEAICE_deltaTev is no longer required,
449        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
450        or SEAICEaEVPcoeff
451    o pkg/shelfice/shelfice_thermodynamics.F
452      - redefining uLoc/vLoc to u/v, instead of 2u/v
453    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
454      - this is an intermediate state of a truely converging EVP that has
455        the potential of outperforming implicit VP methods, I do not recommend
456        using it yet.
457      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
458        and all parameters are hardwired
459      - for convergence it still requires very smooth regularisations, that means,
460        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
461        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
462        specific averaging appears to be required, still subject to tuning
463      - still needs cleaning and I need to turn parameter into runtime parameters
464      - add code to compute and print residuals of iteration, compile with
465        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
466    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
467      that entered with r1.54 on Sep04, 2015, -> update results
468    
469    checkpoint65o (2015/09/14)
470    o pkg/mom_vecinv & mom_common:
471      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
472        called from there.
473      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
474        allows to use Vector-Invariant form in deep atmos and anelastic formulation
475    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
476      and Koenig-Beatty+Holland (2012)
477      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
478      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
479      - requires an extra input argument for S/R seaice_calc_viscosities
480      - tensileStrength's depth dependence is different from Itkin et al. (2015)
481        (to be changed and played with, for now exponential)
482    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
483      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
484        by AREA according to Connelly et al. (2004), JPO.
485      - For EVP and the LSR solver, the implicit part of the drag term is
486        the only non-zero term in the denominator when there is no ice (which
487        prevented running the model with zero ice-ocean drag). If
488        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
489        (or zero main diagonals BU/BV) which need to be caught. A practical
490        consequence is that for open water, the momentum equation reduce
491        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
492        they happen to be zero, often leading to a non-zero solution over
493        open water.
494    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
495        efficient EVP method.
496      - introduce area-weighted averages for e12 (analogously to
497        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
498        remain, but also changing the order of terms in the previous average
499        changed the results as much) -> update experiment
500      - add SEAICE_DELTA_SMOOTHREG code
501      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
502        TEM-code
503      - adjust loop bounds so that only required fields are computed
504      - add new averaging code for zetaZ/deltaZ (again similar to
505        seaice_calc_viscosities.F), inactive by default for now (will change
506        results again), but will replace old code eventually
507    o eesupp/src:
508      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
509        to always cumulate tile local-sum in the same order
510        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
511        Still uses MPI_Allreduce (like standard code) but on array of tiles
512        and should be faster than GLOBAL_SUM_SEND_RECV code.
513      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
514        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
515      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
516         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
517         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
518         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
519         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
520    
521    checkpoint65n (2015/07/29)
522    o pkg/thsice:
523      - add a warning when used with pkg/aim but without updating SST
524        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
525    o pkg/offline:
526      - change where Offline-Fields are loaded, from load_fields_driver.F to
527        directly within FORWARD_STEP, just after updating iter number and time;
528      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
529        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
530       These changes allow:
531        a) to recover exactly on-line results using deltaToffline=deltaTClock,
532        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
533        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
534        time-step, both with GM & KPP files and with recomputing these fields;
535        b) no needs to switch on staggerTimeStep anymore;
536        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
537      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
538    o pkg/offline:
539      - change (rarely used) offset-iteration parameter to an offset time (in s):
540        can easily recover previous offset-iter effect by setting offset-time
541        (offlineTimeOffset) to offset-iter x deltaToffline;
542      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
543        in KPP as part of surface buoyancy forcing) in offline run.
544      - fix ptracers KPP non-local term in the case where KPP is re-computed.
545    o OpenAD
546      - Adding preliminary ggl90 test to OpenAD verification.
547        Config. with ggl90 currently diverges after 64 time steps
548        so will need more work to become more stable
549      - Adding preliminary kpp test to OpenAD verification.
550        required small tweakes in kpp_routines.F
551      - Merge and update from Krishna Narayanan's contrib area:
552        * Add one variable for preliminary OpenAD DIVA
553        * Add replacement time-stepping for OpenAD DIVA
554        * genmake2 flag -diva (but only for OpenAD; preliminary)
555        * required modifs for OAD_support
556        successful preliminary test for tutorial_global_oce_biogeo/
557    o pkg/seaice:
558      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
559      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
560        delta with a smooth function in s/r seaice_calc_viscosity
561        (no effect on EVP)
562      - rename local suffix "sqr" into "sq" for more consistent variable names
563    o pkg/seaice:
564        add new parameter SEAICE_deltaMin that is used ***only***
565        for regularizing Delta (and nothing else, like the parameter
566        which is also used for all sorts of things SEAICE_EPS).
567        Defaults to SEAICE_EPS for backward compatibility only.
568    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
569        the wrong key by inialising it before use -> fixes a recomputation
570        problem but does not fix the gradient
571    o pkg/layers:
572      - move resetting of flux arrays to outside the iLa loop
573        (this caused layers_diapycnal to not work with more than one layer coord.)
574      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
575    o pkg/layers:
576      - remove from common block 3D layers fields (used to diagnose transport
577        in tracer coords) and declare them as local arrays in layers_calc.F
578    o pkg/seaice:
579      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
580        in lab_sea forward experiment (changes results -> updated)
581      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
582    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
583       computations; for SEAICE_VECTORIZE_LSR
584      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
585        sweep to the outside,
586      - remove store directives and add "CADJ loop sequential" directives
587        in analogy to model/src/solve_tridiagonal.F
588      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
589        boundaries to yield more readable code. This has also the charming side
590        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
591        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
592        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
593        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
594        an additional option)
595       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
596       but the adjoint gradients (which are affected by this change) still explode.
597    o coupler (atm & ocn _compon_interf):
598      - avoid using Exch2 IO mapping if not suitable.
599    
600    checkpoint65m (2015/06/15)
601    o pkg/layers:
602      - clean-up old parameters setting (from Sep 2012):
603        + remove old parameters setting from common block (declared locally);
604        + stop if any old parameter is mixed with new parameters;
605        + check for valid or consistent parameter setting (e.g., layers_name)
606      - check that layers_bounds for Pot.Density are in the right range;
607        this is supposed to catch un-updated setting after recently shifting
608        potential density field "prho" by -1000 (now in "sigma" scale).
609    o pkg/layers:
610      - Added missing call to layers_fill for keeping track of tottend in
611        pkg/diagnostics/diagnostics_fill_state.F
612    o pkg/layers:
613      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
614        of diapycnal fluxes
615    o pkg/layers:
616      - reverted changes to interpolation to previous treatment; there
617        was never actually a problem
618    o pkg/layers:
619      - fix interpolation of layers tracers in the presence of partial cells
620      - add lots of new functionality to compute water mass transformation
621        (enabled by CPP flag LAYERS_THERMODYNAMICS)
622      - add new calls from main code (diags_oceanic_surf_flux.F,
623        thermodynamics.F, impldiff.F) and gad to save the necessary fields
624        for layers_thermodynamics calculations
625    o pkg/ptracers:
626      - add capability of stepping a passive tracer forward without advection
627        by setting PTRACERS_advScheme to 0.
628    o pkg/diagnostics:
629      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
630    o pkg/layers:
631      - shift potential density field "prho" by -1000 for density layer averaging so
632        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
633        Note that density bin boundaries (layers_bounds in data.layers) have
634        to be set accordingly (i.e., shifted, in sigma scale).
635    o pkg/layers:
636      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
637      - fix calculation of layer non-weighted velocity and layer probability
638      - add diagnostics for pot.density used for layer averaging
639    o pkg/seaice:
640      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
641        positiveness, modify a few comments and improve variable names,
642      - the changed computation of deltaC affects most seaice-related
643        experiments at the truncation level.
644        seaice_itd.thermo is affected by far the most, with
645        only 7 digits of agreement remaining; update experiments.
646    
647    checkpoint65l (2015/05/04)
648    o pkg/shelfice:
649      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
650        factor drKp1 to zero where it is negative (ie. do not use
651        SHELFICEBoundaryLayer if hFacC>1)
652      - the same for factor drLoc in shelfice_forcing.F
653    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
654        with modules in ptracers, when using testreport option "-small_f"
655    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
656      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
657    o verification/testreport
658      - add new option -small_f
659        with this option testreport first makes the target small_f (*.f files)
660        before running make (all). This is useful for explicit inlining when
661        all sources need to be full available.
662    o pkg/exf/exf_interp.F:
663        remove previous changes related to reverse (decreasing) input grids latitude
664    
665    checkpoint65k (2015/04/01)
666    o pkg/ecco:
667        fix missing cosphi initialization; use eccoiter in place of optimcycle;
668        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
669        instead of active read/write
670    o pkg/ctrl:
671        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
672        instead of active read/write.
673    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
674        return if .NOT.useAUTODIFF
675    o pkg/seaice: add CPP brackets (cost function related).
676    o model/src:
677        add useAUTODIFF run time switch.
678    o pkg/exf/exf_interp.F:
679        add code to allow input grids with latitude starting in the north (i.e. when
680        j=1 corresponds to northern edge of field); modify global_with_exf to test
681        this feature.
682    o verification/testreport:
683      - replace "grep -A3" with POSIX conformal sed command, because there are
684        implementations of grep that cannot do contextual searches
685      - replace "cat -n" by "nl" (two occurrences), because not all implementations
686        of "cat" have the option "-n"
687    o model/src:
688        add new file gsw_teos10.F that contains 3 functions, more or less a copy
689        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
690        convert from conservative to potential temperature. For now they are not
691        called anywhere.
692    o pkg/ggl90: make "useIDEMIX" useful
693      - re-organize code in s/r ggl90_calc a little to move computations that
694        are different for idemix into separate loops (changes verification
695        experiment idemix at truncation level, 12 digits remain -> updated)
696      - requires 2 new 2D fields KappaM, verticalShear
697      - make hFacI and recip_hFacI local 3D variables that are passed to
698        s/r ggl90_idemix
699      - fix and improve some comments
700    
701    checkpoint65j (2015/02/25)
702    o pkg/openad
703      - synchronize seawater.F with version in model/src: replace routine
704        body of sw_temp by calling sw_ptmp and fix/add a few comments.
705    o pkg/mnc:
706      - change default value of pickup_read/write_mnc params to FALSE
707        (since few features are missing in reading MNC pickup files).
708    o model/src:
709      - change default (background) vertical diffusivity for salt to be the
710        temperature (background) vertical diffusivity.
711      - change background vertical diffusivity in vertical mixing pkgs ggl90,
712        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
713        This makes ptracers default diffusivity (that uses salt diffKr) more
714        consistent with vertical mixing schemes.
715    o verification/testreport:
716      - fix typo in "-pcls" option ;
717      - put temp files in /tmp (instead of in local dir)
718      - add option "-ncad" to use genmake2 new option "-nocat4ad"
719      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
720    o pkg/ggl90 (idemix code):
721      - apply few fixes ; add some missing "_d 0" ; update output of exp.
722        global_ocean.90x40x15.idemix
723    o OpenAD
724      - enable active file I/O and begin removal of work-around code
725        for OpenAD for handling control variables (memory vs. active files)
726      - new CPP options file OPENAD_OPTIONS.h
727      - revert to genarr2d gradient check for hs94.1x64x5
728      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
729      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
730    o tools/genmake2:
731      - add option for an alternative Makefile (from Martin) where multiple
732        source files are sent to TAF (instead of all in one file).
733    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
734      - code provided by Carsten Eden as an extension of ggl90
735      - so far the code is turned on within ggl90 by setting a CPP-flag at
736        compile time; a runtime flag implementation is not yet complete
737      - tested in new verification experiment global_ocean.90x40x15.idemix
738    o verification:
739      - reduce length of the AD test run by half for experiments
740        global_ocean.cs32x15 (std + thsice) and isomip
741      - enable active file I/O for OpenAD, adjust verifications accordingly
742      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
743    o verification/testreport:
744      - fix two non-POSIX sed statements so that there are no error messages
745        on Mac OS X
746      - replace hostname -s with hostname | sed 's/\..*$//'
747    o model/src/seawater.F:
748      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
749        (following the matlab code), which would have avoided the bug caught
750        by Matt (see below) in the first place
751    o pkg/shelfice:
752      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
753        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
754      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
755        ice-shelf case (i.e., within surface level).
756      - add config summary in shelfice_check.F
757      - remove global variable recip_SHELFICElatentHeat and replace by a local
758        variable recip_latentHeat
759      - introduce diagnostics for friction velocity uStar (in case of
760        SHELFICEuseGammaFrict)
761      - change verification experiment isomip.htd:
762        + start from pickup (as input_ad at nIter0=8640)
763        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
764        + test SHELFICEuseGammaFrict = .TRUE.
765        + test SHELFICEadvDiffHeatFlux = .TRUE.
766    o model/src:
767      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
768        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
769        update output of experiments global_with_exf.yearly and isomip (all 6).
770    o pkg/shelfice:
771      - change setting of kTopC to also be zero where there is no ice-shelf.
772      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
773        ice-shelf is.
774      - first attempt to get RealFreshWaterFlux effects: for now, only without
775        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
776    o pkg/seaice: add the option to prescribe a fixed thickness PDF
777      for thermodynamic calculations
778      - because of divisions of the type 7/7 not exactly equal to 1, this change
779        affects results of some verification experiments by up to 4 digits:
780        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
781        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
782        adjoint: lab_sea, lab_sea.noseaicedyn
783        -> updated
784    
785    checkpoint65i (2015/01/23)
786    o model/src:
787      - change units of frictionHeating field from W to W/m^2
788      - fix bug in frictional heating from stratospheric drag in
789        S/R ATM_PHYS_TENDENCY_APPLY_V
790      - with synchronous time-stepping: move resetting to zero of frictionHeating
791        field from load_fields_driver.F to thermodynamics.F ;
792      - add diagnostics for frictional heating.
793    o model/src & gmredi K3D:
794      - add frictionHeating field to pickup-files (for synchronous time-stepping)
795      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
796      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
797        and name in pickup file).
798      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
799  o model/src:  o model/src:
800    - move (from ini_forcing.F) initialisation of all arrays in header file    - move (from ini_forcing.F) initialisation of all arrays in header file
801      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 846  o model/src & mom pkgs:
846      just copy level Nr value to level Nr+1.      just copy level Nr value to level Nr+1.
847  o doc:  o doc:
848    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
849  o pkg/streamice:  o pkg/shelfice:
850    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
851      SHELFICE.h: move array shelficemass to init_varia, initialise      SHELFICE.h: move array shelficemass to init_varia, initialise
852      from array shelficemassinit, which is set in init_fixed and      from array shelficemassinit, which is set in init_fixed and

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