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revision 1.2094 by jmc, Wed Nov 19 16:49:37 2014 UTC revision 1.2220 by jmc, Wed Jan 6 02:24:41 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 coupler pkgs:
8      Finish implementation of optionally-exchanged variable switches (started on
9       Nov 12) with addition of few more exchanged fields, including 2-way exchange
10       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
11       advection in OCN component; this requires sequential coupling.
12      coupler (pkg/atm_ocn_coupler):
13      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
14        routines (useful for debug).
15      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
16         flux, DIC fields) if corresponding switch is ON.
17      - add option to export RunOff to OCN (to use for DIC river input)
18      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
19      components (pkg/atm_ & ocn_compon_interf):
20      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
21        optionally exchanged fields; add a check & stop in cpl_readparms.F.
22        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
23        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
24      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
25        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
26      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
27      - hold in common block coupler optionally-exchanged variable switch
28        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
29      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
30        this is intended to replace the OCN cplFldtave.* output files (not updated
31        to contain new additional exchanged fields).
32    o pkg/dic:
33      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
34    o pkg/thsice:
35      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
36        and writing of thsice pickup files.
37    o pkg/atm_compon_interf:
38      - move all field individual export-call out of cpl_export_import_data.F
39        into new S/R ATM_EXPORT_FIELDS
40    o pkg/atm_compon_interf:
41      - store state variables (for now, only thSIce fields) just before beeing
42        exported (in cpl_export_import_data.F, like on ocean side) instead of from
43        atm_store_my_data.F like all exported fluxes.
44      - new version of pickup_cpl: write field names into meta file and read meta
45        file to find field postion in pickup. Also only write/read fields meeded for
46        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
47    o pkg/dic:
48      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
49    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
50        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
51        value can be from domain [0,1] to average between the two methods
52    o pkg/atm_phys:
53      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
54        hold fixed in time).
55    
56    checkpoint65r (2015/12/21)
57    o pkg/seaice:
58        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
59        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
60    o pkg/seaice:
61      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
62        when SEAICEscaleSurfStress=.TRUE.,
63      - apply areaW and areaS in S/R seaice_calc_lhs
64    o pkg/atm_phys:
65      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
66        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
67        for individual contribution (convection, LSC cond, radiation)
68      - add Ruth Geen etal, GRL 2016, radiation optionis (see paper supp.
69        information); activated with: solar_exponent=0. and wv_exponent=-1.
70    o pkg/ggl90:
71      - within IDEMIX add upper limit for horizontal group velocity to
72        avoid instability problems in the explicit horizontal diffusion term for
73        long time steps or high resolution
74    o pkg/diagnostics:
75      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
76        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
77    o testreport:
78      - remove "-v" (verbose option) in default mpirun command.
79    o pkg/seaice/seaice_growth:
80      - catch potential division by zero in ITD code, does not change
81        verification results
82    o pkg/ecco:
83      - retire old codes to the Attic. The calls to retired functions are
84        left in a commented form in case they ever need to be re-activated.
85      - ecco_check.F: issue warning if any old CPP option is
86        defined that corresponds to retired codes -- then stop.
87    o pkg/atm_compon_interf:
88      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
89        coupler: use last time-step value instead of average over cplSendFrq_iter
90        time-step, similar to what is done for seaIceMass.
91        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
92    o eesupp & genmake2:
93      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
94        <= remove until a fix is found for some ifort version on ia32 machine.
95    o pkg/seaice/seaice_evp:
96      - refine residual computation
97    
98    checkpoint65q (2015/11/18)
99    o pkg/seaice/seaice_evp:
100      - fix residual computations so that they no longer affect the actual
101        simulation code
102      - fix seaice_readparams to be able to actually set new parameters
103        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
104    o model/src:
105      - fix wrong truncation (single prec) from "FLOAT" function in expressions
106        like: deltaT*FLOAT(myIter) when myIter is large:
107         a) replaced by DFLOAT (if not seen by TAF);
108         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
109    o pkg/aim_v23:
110      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
111        when pickupSuff is set ; do write rolling pickups + at the end of the run.
112    o pkg/atm_ocn_coupler + ocn_compon_interf:
113      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
114        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
115        add corresponding call in DO_OCEANIC_PHYS.
116    o coupler pkgs:
117      Start a new way to set-up optionally-exchanged variables (previously, only
118       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
119       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
120       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
121       compononent param default can be set accordingly).
122      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
123       but rather applies to a group a fields (going both ways like for DIC)
124       and corresponds to an option of coupling config.
125      coupler (pkg/atm_ocn_coupler):
126      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
127        and read namelist directly (without eessup S/R calls) instead of
128        in the very un-flexible old way, 1 param per line, in fixed order;
129      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
130        cleanly in CPL_CHECK_CPLCONFIG
131      - add new coupling-exchange selectors (some not yet active) including
132        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
133                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
134      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
135        component ; called directly from coupler.F, after comp. registrations;
136      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
137         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
138          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
139      components (pkg/atm_ & ocn_compon_interf):
140      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
141        CPP header file in all pkg source files.
142      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
143        ATM/OCN_CHECK_CPLCONFIG;
144      - add error-counter to track errors (e.g., in "data.cpl") and to stop
145        cleanly in ATM/OCN_CHECK_CPLCONFIG;
146      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
147        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
148        before PACKAGES_READPARMS;
149      verification/cpl_aim+ocn/:
150      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
151        "data.cpl" for coupler (in input_cpl).
152    o eesupp/inc:
153      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
154        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
155        to always cumulate tile local-sum in the same order (still uses
156        MPI_Allreduce like standard code).
157      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
158        that are now identical to standard version (in eesupp/inc).
159    o pkg/shelfice:
160      - add SHELFICETransCoeffTFile for initializing spatially varying
161        heat and salt transfer coefficients
162    o pkg/atm_compon_interf & ocn_compon_interf:
163      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
164        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
165      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
166    o pkg/atm_ocn_coupler:
167      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
168    o pkg/rbcs:
169      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
170        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
171      - add a short report (to STDOUT) about RBCS-mask settings.
172    
173    checkpoint65p (2015/10/23)
174    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
175        there is no adjoint test for EVP, we don't know what it does to the adjoint
176        solution, but at least there are no more recomputation warnings left
177    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
178        a chance of giving the same results as a fully converged VP (JFNK) solver
179    o tools/adjoint_options/adjoint_diva:
180      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
181    o pkg/streamice:
182      - spotted bug in streamice_driving_stress using dyG where should have been dxG
183    o pkg/exf:
184      - remove STOP statement that prevented to use wind or (wind-)stress
185        interpolation for constant-in-time forcing fields (wind/stress period = 0).
186    o pkg/seaice:
187      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
188        5 additionals 2D fields and 6 new store directives
189      - change logic in seaice_readparms.F: EVP code can now be turned on in
190        various ways, setting SEAICE_deltaTev is no longer required,
191        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
192        or SEAICEaEVPcoeff
193    o pkg/shelfice/shelfice_thermodynamics.F
194      - redefining uLoc/vLoc to u/v, instead of 2u/v
195    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
196      - this is an intermediate state of a truely converging EVP that has
197        the potential of outperforming implicit VP methods, I do not recommend
198        using it yet.
199      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
200        and all parameters are hardwired
201      - for convergence it still requires very smooth regularisations, that means,
202        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
203        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
204        specific averaging appears to be required, still subject to tuning
205      - still needs cleaning and I need to turn parameter into runtime parameters
206      - add code to compute and print residuals of iteration, compile with
207        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
208    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
209      that entered with r1.54 on Sep04, 2015, -> update results
210    
211    checkpoint65o (2015/09/14)
212    o pkg/mom_vecinv & mom_common:
213      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
214        called from there.
215      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
216        allows to use Vector-Invariant form in deep atmos and anelastic formulation
217    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
218      and Koenig-Beatty+Holland (2012)
219      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
220      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
221      - requires an extra input argument for S/R seaice_calc_viscosities
222      - tensileStrength's depth dependence is different from Itkin et al. (2015)
223        (to be changed and played with, for now exponential)
224    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
225      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
226        by AREA according to Connelly et al. (2004), JPO.
227      - For EVP and the LSR solver, the implicit part of the drag term is
228        the only non-zero term in the denominator when there is no ice (which
229        prevented running the model with zero ice-ocean drag). If
230        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
231        (or zero main diagonals BU/BV) which need to be caught. A practical
232        consequence is that for open water, the momentum equation reduce
233        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
234        they happen to be zero, often leading to a non-zero solution over
235        open water.
236    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
237        efficient EVP method.
238      - introduce area-weighted averages for e12 (analogously to
239        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
240        remain, but also changing the order of terms in the previous average
241        changed the results as much) -> update experiment
242      - add SEAICE_DELTA_SMOOTHREG code
243      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
244        TEM-code
245      - adjust loop bounds so that only required fields are computed
246      - add new averaging code for zetaZ/deltaZ (again similar to
247        seaice_calc_viscosities.F), inactive by default for now (will change
248        results again), but will replace old code eventually
249    o eesupp/src:
250      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
251        to always cumulate tile local-sum in the same order
252        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
253        Still uses MPI_Allreduce (like standard code) but on array of tiles
254        and should be faster than GLOBAL_SUM_SEND_RECV code.
255      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
256        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
257      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
258         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
259         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
260         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
261         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
262    
263    checkpoint65n (2015/07/29)
264    o pkg/thsice:
265      - add a warning when used with pkg/aim but without updating SST
266        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
267    o pkg/offline:
268      - change where Offline-Fields are loaded, from load_fields_driver.F to
269        directly within FORWARD_STEP, just after updating iter number and time;
270      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
271        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
272       These changes allow:
273        a) to recover exactly on-line results using deltaToffline=deltaTClock,
274        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
275        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
276        time-step, both with GM & KPP files and with recomputing these fields;
277        b) no needs to switch on staggerTimeStep anymore;
278        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
279      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
280    o pkg/offline:
281      - change (rarely used) offset-iteration parameter to an offset time (in s):
282        can easily recover previous offset-iter effect by setting offset-time
283        (offlineTimeOffset) to offset-iter x deltaToffline;
284      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
285        in KPP as part of surface buoyancy forcing) in offline run.
286      - fix ptracers KPP non-local term in the case where KPP is re-computed.
287    o OpenAD
288      - Adding preliminary ggl90 test to OpenAD verification.
289        Config. with ggl90 currently diverges after 64 time steps
290        so will need more work to become more stable
291      - Adding preliminary kpp test to OpenAD verification.
292        required small tweakes in kpp_routines.F
293      - Merge and update from Krishna Narayanan's contrib area:
294        * Add one variable for preliminary OpenAD DIVA
295        * Add replacement time-stepping for OpenAD DIVA
296        * genmake2 flag -diva (but only for OpenAD; preliminary)
297        * required modifs for OAD_support
298        successful preliminary test for tutorial_global_oce_biogeo/
299    o pkg/seaice:
300      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
301      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
302        delta with a smooth function in s/r seaice_calc_viscosity
303        (no effect on EVP)
304      - rename local suffix "sqr" into "sq" for more consistent variable names
305    o pkg/seaice:
306        add new parameter SEAICE_deltaMin that is used ***only***
307        for regularizing Delta (and nothing else, like the parameter
308        which is also used for all sorts of things SEAICE_EPS).
309        Defaults to SEAICE_EPS for backward compatibility only.
310    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
311        the wrong key by inialising it before use -> fixes a recomputation
312        problem but does not fix the gradient
313    o pkg/layers:
314      - move resetting of flux arrays to outside the iLa loop
315        (this caused layers_diapycnal to not work with more than one layer coord.)
316      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
317    o pkg/layers:
318      - remove from common block 3D layers fields (used to diagnose transport
319        in tracer coords) and declare them as local arrays in layers_calc.F
320    o pkg/seaice:
321      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
322        in lab_sea forward experiment (changes results -> updated)
323      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
324    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
325       computations; for SEAICE_VECTORIZE_LSR
326      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
327        sweep to the outside,
328      - remove store directives and add "CADJ loop sequential" directives
329        in analogy to model/src/solve_tridiagonal.F
330      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
331        boundaries to yield more readable code. This has also the charming side
332        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
333        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
334        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
335        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
336        an additional option)
337       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
338       but the adjoint gradients (which are affected by this change) still explode.
339    o coupler (atm & ocn _compon_interf):
340      - avoid using Exch2 IO mapping if not suitable.
341    
342    checkpoint65m (2015/06/15)
343    o pkg/layers:
344      - clean-up old parameters setting (from Sep 2012):
345        + remove old parameters setting from common block (declared locally);
346        + stop if any old parameter is mixed with new parameters;
347        + check for valid or consistent parameter setting (e.g., layers_name)
348      - check that layers_bounds for Pot.Density are in the right range;
349        this is supposed to catch un-updated setting after recently shifting
350        potential density field "prho" by -1000 (now in "sigma" scale).
351    o pkg/layers:
352      - Added missing call to layers_fill for keeping track of tottend in
353        pkg/diagnostics/diagnostics_fill_state.F
354    o pkg/layers:
355      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
356        of diapycnal fluxes
357    o pkg/layers:
358      - reverted changes to interpolation to previous treatment; there
359        was never actually a problem
360    o pkg/layers:
361      - fix interpolation of layers tracers in the presence of partial cells
362      - add lots of new functionality to compute water mass transformation
363        (enabled by CPP flag LAYERS_THERMODYNAMICS)
364      - add new calls from main code (diags_oceanic_surf_flux.F,
365        thermodynamics.F, impldiff.F) and gad to save the necessary fields
366        for layers_thermodynamics calculations
367    o pkg/ptracers:
368      - add capability of stepping a passive tracer forward without advection
369        by setting PTRACERS_advScheme to 0.
370    o pkg/diagnostics:
371      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
372    o pkg/layers:
373      - shift potential density field "prho" by -1000 for density layer averaging so
374        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
375        Note that density bin boundaries (layers_bounds in data.layers) have
376        to be set accordingly (i.e., shifted, in sigma scale).
377    o pkg/layers:
378      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
379      - fix calculation of layer non-weighted velocity and layer probability
380      - add diagnostics for pot.density used for layer averaging
381    o pkg/seaice:
382      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
383        positiveness, modify a few comments and improve variable names,
384      - the changed computation of deltaC affects most seaice-related
385        experiments at the truncation level.
386        seaice_itd.thermo is affected by far the most, with
387        only 7 digits of agreement remaining; update experiments.
388    
389    checkpoint65l (2015/05/04)
390    o pkg/shelfice:
391      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
392        factor drKp1 to zero where it is negative (ie. do not use
393        SHELFICEBoundaryLayer if hFacC>1)
394      - the same for factor drLoc in shelfice_forcing.F
395    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
396        with modules in ptracers, when using testreport option "-small_f"
397    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
398      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
399    o verification/testreport
400      - add new option -small_f
401        with this option testreport first makes the target small_f (*.f files)
402        before running make (all). This is useful for explicit inlining when
403        all sources need to be full available.
404    o pkg/exf/exf_interp.F:
405        remove previous changes related to reverse (decreasing) input grids latitude
406    
407    checkpoint65k (2015/04/01)
408    o pkg/ecco:
409        fix missing cosphi initialization; use eccoiter in place of optimcycle;
410        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
411        instead of active read/write
412    o pkg/ctrl:
413        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
414        instead of active read/write.
415    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
416        return if .NOT.useAUTODIFF
417    o pkg/seaice: add CPP brackets (cost function related).
418    o model/src:
419        add useAUTODIFF run time switch.
420    o pkg/exf/exf_interp.F:
421        add code to allow input grids with latitude starting in the north (i.e. when
422        j=1 corresponds to northern edge of field); modify global_with_exf to test
423        this feature.
424    o verification/testreport:
425      - replace "grep -A3" with POSIX conformal sed command, because there are
426        implementations of grep that cannot do contextual searches
427      - replace "cat -n" by "nl" (two occurrences), because not all implementations
428        of "cat" have the option "-n"
429    o model/src:
430        add new file gsw_teos10.F that contains 3 functions, more or less a copy
431        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
432        convert from conservative to potential temperature. For now they are not
433        called anywhere.
434    o pkg/ggl90: make "useIDEMIX" useful
435      - re-organize code in s/r ggl90_calc a little to move computations that
436        are different for idemix into separate loops (changes verification
437        experiment idemix at truncation level, 12 digits remain -> updated)
438      - requires 2 new 2D fields KappaM, verticalShear
439      - make hFacI and recip_hFacI local 3D variables that are passed to
440        s/r ggl90_idemix
441      - fix and improve some comments
442    
443    checkpoint65j (2015/02/25)
444    o pkg/openad
445      - synchronize seawater.F with version in model/src: replace routine
446        body of sw_temp by calling sw_ptmp and fix/add a few comments.
447    o pkg/mnc:
448      - change default value of pickup_read/write_mnc params to FALSE
449        (since few features are missing in reading MNC pickup files).
450    o model/src:
451      - change default (background) vertical diffusivity for salt to be the
452        temperature (background) vertical diffusivity.
453      - change background vertical diffusivity in vertical mixing pkgs ggl90,
454        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
455        This makes ptracers default diffusivity (that uses salt diffKr) more
456        consistent with vertical mixing schemes.
457    o verification/testreport:
458      - fix typo in "-pcls" option ;
459      - put temp files in /tmp (instead of in local dir)
460      - add option "-ncad" to use genmake2 new option "-nocat4ad"
461      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
462    o pkg/ggl90 (idemix code):
463      - apply few fixes ; add some missing "_d 0" ; update output of exp.
464        global_ocean.90x40x15.idemix
465    o OpenAD
466      - enable active file I/O and begin removal of work-around code
467        for OpenAD for handling control variables (memory vs. active files)
468      - new CPP options file OPENAD_OPTIONS.h
469      - revert to genarr2d gradient check for hs94.1x64x5
470      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
471      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
472    o tools/genmake2:
473      - add option for an alternative Makefile (from Martin) where multiple
474        source files are sent to TAF (instead of all in one file).
475    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
476      - code provided by Carsten Eden as an extension of ggl90
477      - so far the code is turned on within ggl90 by setting a CPP-flag at
478        compile time; a runtime flag implementation is not yet complete
479      - tested in new verification experiment global_ocean.90x40x15.idemix
480    o verification:
481      - reduce length of the AD test run by half for experiments
482        global_ocean.cs32x15 (std + thsice) and isomip
483      - enable active file I/O for OpenAD, adjust verifications accordingly
484      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
485    o verification/testreport:
486      - fix two non-POSIX sed statements so that there are no error messages
487        on Mac OS X
488      - replace hostname -s with hostname | sed 's/\..*$//'
489    o model/src/seawater.F:
490      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
491        (following the matlab code), which would have avoided the bug caught
492        by Matt (see below) in the first place
493    o pkg/shelfice:
494      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
495        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
496      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
497        ice-shelf case (i.e., within surface level).
498      - add config summary in shelfice_check.F
499      - remove global variable recip_SHELFICElatentHeat and replace by a local
500        variable recip_latentHeat
501      - introduce diagnostics for friction velocity uStar (in case of
502        SHELFICEuseGammaFrict)
503      - change verification experiment isomip.htd:
504        + start from pickup (as input_ad at nIter0=8640)
505        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
506        + test SHELFICEuseGammaFrict = .TRUE.
507        + test SHELFICEadvDiffHeatFlux = .TRUE.
508    o model/src:
509      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
510        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
511        update output of experiments global_with_exf.yearly and isomip (all 6).
512    o pkg/shelfice:
513      - change setting of kTopC to also be zero where there is no ice-shelf.
514      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
515        ice-shelf is.
516      - first attempt to get RealFreshWaterFlux effects: for now, only without
517        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
518    o pkg/seaice: add the option to prescribe a fixed thickness PDF
519      for thermodynamic calculations
520      - because of divisions of the type 7/7 not exactly equal to 1, this change
521        affects results of some verification experiments by up to 4 digits:
522        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
523        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
524        adjoint: lab_sea, lab_sea.noseaicedyn
525        -> updated
526    
527    checkpoint65i (2015/01/23)
528    o model/src:
529      - change units of frictionHeating field from W to W/m^2
530      - fix bug in frictional heating from stratospheric drag in
531        S/R ATM_PHYS_TENDENCY_APPLY_V
532      - with synchronous time-stepping: move resetting to zero of frictionHeating
533        field from load_fields_driver.F to thermodynamics.F ;
534      - add diagnostics for frictional heating.
535    o model/src & gmredi K3D:
536      - add frictionHeating field to pickup-files (for synchronous time-stepping)
537      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
538      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
539        and name in pickup file).
540      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
541    o model/src:
542      - move (from ini_forcing.F) initialisation of all arrays in header file
543        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
544        (since Nov 2012) with option selectAddFluid=1.
545    o pkg/shelfice:
546      - change units (+ document) of newly added field "shelfIceMassDynTendency"
547      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
548    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
549    o pkg/seaice: two new runtime parameters:
550      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
551        long overdue
552      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
553        parameterization of tensil stress for fast ice (does not do anything yet)
554    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
555        for LSR: move checking overlaps out of JFNK-if-block
556    o pkg/atm_phys:
557      - move copy of grid and dynamical fields out of atm_phys_driver.F into
558        new S/R ATM_PHYS_DYN2PHYS.
559      - fix level height for Linear Free-Surf case (to be consistent with
560        fixed-in-time pressure levels).
561    o pkg/mom_common (bottomdrag):
562      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
563        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
564        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
565    o pkg/shelfice (u/v_drag):
566      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
567      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
568        (now similar to shelfice_u_drag.F)
569      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
570        from mom_vecinv.F (similar to mom_fluxform calls).
571    o pkg/mom_common (bottomdrag):
572      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
573      - add options for alternative discretisation of velocity norm in quadratic
574        bottom drag: averaging of grid-cell-center KE to U.point and V.point
575        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
576        improves when averaging only the other component (e.g. vVel for U bottom
577        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
578      - add options (bottomVisc_pCell) to account for partial-cell in bottom
579        friction (no-slip BC) thus getting the true distance from the bottom;
580        off by default since this also reduces model stability (explicit bottom
581        friction). Changes produce different machine truncation with linear-drag
582        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
583        front_relax (bvp & mxl, 10 & 11 digits).
584    o model/src & mom pkgs:
585      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
586        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
587      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
588        just copy level Nr value to level Nr+1.
589    o doc:
590      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
591    o pkg/streamice:
592      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
593        SHELFICE.h: move array shelficemass to init_varia, initialise
594        from array shelficemassinit, which is set in init_fixed and
595        has option to be set from file; introduce array
596        shelficeMassDynTend array, set thru file in init_fixed
597      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
598        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
599        pkg/streamice
600      - shelfice_thermodynamics.F: call shelfice_step_icemass if
601        SHELFICEMassStepping = .true.
602      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
603    
604    checkpoint65h (2014/12/17)
605    o verification/global_ocean.90x40x15, global_ocean_ebm:
606      - update to generic controls.
607    o pkg/ctrl:
608      - ctrl_map_ini_genarr.F: test for igen>0
609      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
610      - move gentim2d part of ctrl_map_ini_genarr.F to
611        new separate routine : ctrl_map_ini_gentim2d.F
612      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
613        add time variable weights and cyclic controls (time mean,
614        seasonal cycle, etc) capabilities to gentim2d
615    o pkg/ecco:
616      - move reading of error, conversion to weights from
617        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
618    o global_oce_llc90, cs32:
619      - activte sbo.
620      - CTRL_SIZE.h : add maxCtrlProc.
621      - activate the new genctrl capabilities.
622      - update following reorganization of global_oce_input_fields.tar.gz  
623    o pkg/ctrl/ctrl_ad_diff.list:
624      - add missing ctrl_init_rec.f
625    o tools/OAD_support/keepOriginal:
626      - add ctrl_init_rec.F
627    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
628      - avoid recomputations of xx_gentim2d_dummy.
629    o momentum diagnostics:
630      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
631        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
632    o pkg/seaice/seaice_lsr.F:
633      - fix computation of BU/BV, make sure they are non-zero, only necessary
634        for cubed sphere exchanges and SEAICE_OLx/y>0.
635        This makes calling s/r fill_cs_corner_rl obsolete (removed).
636    o verification/global_ocean.cs32x15/input.seaice
637      - add test for strong implicit coupling and restricted addtive Schwarz
638        methods for LSR
639      - update results/output.seaice.txt
640    o verification/tutorial_global_oce_biogeo:
641      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
642        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
643        update output_adm,_oadm,_tlm.txt
644    o pkg/dic:
645      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
646      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
647        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
648    o verification/tutorial_global_oce_biogeo:
649      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
650        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
651        update output_adm,_oadm,_tlm.txt
652    o eesupp/src:
653      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
654        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
655    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
656      LSR (following Hutchings et al. 2004)
657      - introduce zetaZ as a global variable (requires adjustments in
658        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
659        in seaice_calc_viscosities.F
660      - new flag SEAICEuseStrImpCpl (default off)
661      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
662        momentum equations
663      - JFNK-solver (preconditioner) adjusted to allow using this method
664        (where it does not have any positive effect)
665    o pkg/seaice
666      - add overlap for restrictive additive Schwartz method also to LSR, but
667        turn it off by default (because it only seems to work for non-cubed
668        sphere/llc topologies)
669    o pkg/autodiff
670      - add extra exchanges in addummy_in_steppging also for mnc output
671    o pkg/seaice:
672      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
673        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
674    o pkg/obcs:
675      - add option to specify domain-connected piece Id along OB though files
676        (for now, only used to diagnose PhiVel; default =1 -> global correction)
677      - modify obcs_diag_balance.F to process each connected-part separately;
678        exclude OB where Id = 0 but keep the full divergence there (-> constant
679        Psi along this portion of OB and all inflow derived from grad(Phi))
680      - add example of OB-conect files in verification/so_box_biogeo/input.
681    o pkg/diagnostics:
682      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
683      a) use non zero matrix element across OB and solve for Phi 1 grid point
684         outside OB (i.e, where tracer OBCS are applied).
685      b) global imbalance of inFlow/outFlow across OB: instead of modifying
686         velocity across OB, spread it uniformly along the OB in the RHS.
687    
688  checkpoint65g (2014/11/19)  checkpoint65g (2014/11/19)
689  o pkg/diagnostcis:  o pkg/diagnostcis:
690    - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param    - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param

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