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revision 1.2075 by gforget, Mon Sep 29 17:16:46 2014 UTC revision 1.2201 by mlosch, Tue Nov 17 16:12:02 2015 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/seaice/seaice_evp
8      - fix residual computations so that they no longer affect the actual
9        simulation code
10      - fix seaice_readparams to be able to actually set new parameters
11        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
12    o model/src:
13      - fix wrong truncation (single prec) from "FLOAT" function in expressions
14        like: deltaT*FLOAT(myIter) when myIter is large:
15         a) replaced by DFLOAT (if not seen by TAF);
16         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
17    o pkg/aim_v23:
18      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
19        when pickupSuff is set ; do write rolling pickups + at the end of the run.
20    o pkg/atm_ocn_coupler + ocn_compon_interf:
21      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
22        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
23        add corresponding call in DO_OCEANIC_PHYS.
24    o coupler pkgs:
25      Start a new way to set-up optionally-exchanged variables (previously, only
26       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
27       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
28       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
29       compononent param default can be set accordingly).
30      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
31       but rather applies to a group a fields (going both ways like for DIC)
32       and corresponds to an option of coupling config.
33      coupler (pkg/atm_ocn_coupler):
34      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
35        and read namelist directly (without eessup S/R calls) instead of
36        in the very un-flexible old way, 1 param per line, in fixed order;
37      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
38        cleanly in CPL_CHECK_CPLCONFIG
39      - add new coupling-exchange selectors (some not yet active) including
40        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
41                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
42      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
43        component ; called directly from coupler.F, after comp. registrations;
44      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
45         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
46          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
47      components (pkg/atm_ & ocn_compon_interf):
48      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
49        CPP header file in all pkg source files.
50      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
51        ATM/OCN_CHECK_CPLCONFIG;
52      - add error-counter to track errors (e.g., in "data.cpl") and to stop
53        cleanly in ATM/OCN_CHECK_CPLCONFIG;
54      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
55        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
56        before PACKAGES_READPARMS;
57      verification/cpl_aim+ocn/:
58      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
59        "data.cpl" for coupler (in input_cpl).
60    o eesupp/inc:
61      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
62        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
63        to always cumulate tile local-sum in the same order (still uses
64        MPI_Allreduce like standard code).
65      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
66        that are now identical to standard version (in eesupp/inc).
67    o pkg/shelfice:
68      - add SHELFICETransCoeffTFile for initializing spatially varying
69        heat and salt transfer coefficients
70    o pkg/atm_compon_interf & ocn_compon_interf:
71      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
72        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
73      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
74    o pkg/atm_ocn_coupler:
75      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
76    o pkg/rbcs:
77      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
78        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
79      - add a short report (to STDOUT) about RBCS-mask settings.
80    
81    checkpoint65p (2015/10/23)
82    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
83        there is no adjoint test for EVP, we don't know what it does to the adjoint
84        solution, but at least there are no more recomputation warnings left
85    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
86        a chance of giving the same results as a fully converged VP (JFNK) solver
87    o tools/adjoint_options/adjoint_diva:
88      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
89    o pkg/streamice:
90      - spotted bug in streamice_driving_stress using dyG where should have been dxG
91    o pkg/exf:
92      - remove STOP statement that prevented to use wind or (wind-)stress
93        interpolation for constant-in-time forcing fields (wind/stress period = 0).
94    o pkg/seaice:
95      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
96        5 additionals 2D fields and 6 new store directives
97      - change logic in seaice_readparms.F: EVP code can now be turned on in
98        various ways, setting SEAICE_deltaTev is no longer required,
99        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
100        or SEAICEaEVPcoeff
101    o pkg/shelfice/shelfice_thermodynamics.F
102      - redefining uLoc/vLoc to u/v, instead of 2u/v
103    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
104      - this is an intermediate state of a truely converging EVP that has
105        the potential of outperforming implicit VP methods, I do not recommend
106        using it yet.
107      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
108        and all parameters are hardwired
109      - for convergence it still requires very smooth regularisations, that means,
110        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
111        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
112        specific averaging appears to be required, still subject to tuning
113      - still needs cleaning and I need to turn parameter into runtime parameters
114      - add code to compute and print residuals of iteration, compile with
115        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
116    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
117      that entered with r1.54 on Sep04, 2015, -> update results
118    
119    checkpoint65o (2015/09/14)
120    o pkg/mom_vecinv & mom_common:
121      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
122        called from there.
123      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
124        allows to use Vector-Invariant form in deep atmos and anelastic formulation
125    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
126      and Koenig-Beatty+Holland (2012)
127      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
128      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
129      - requires an extra input argument for S/R seaice_calc_viscosities
130      - tensileStrength's depth dependence is different from Itkin et al. (2015)
131        (to be changed and played with, for now exponential)
132    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
133      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
134        by AREA according to Connelly et al. (2004), JPO.
135      - For EVP and the LSR solver, the implicit part of the drag term is
136        the only non-zero term in the denominator when there is no ice (which
137        prevented running the model with zero ice-ocean drag). If
138        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
139        (or zero main diagonals BU/BV) which need to be caught. A practical
140        consequence is that for open water, the momentum equation reduce
141        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
142        they happen to be zero, often leading to a non-zero solution over
143        open water.
144    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
145        efficient EVP method.
146      - introduce area-weighted averages for e12 (analogously to
147        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
148        remain, but also changing the order of terms in the previous average
149        changed the results as much) -> update experiment
150      - add SEAICE_DELTA_SMOOTHREG code
151      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
152        TEM-code
153      - adjust loop bounds so that only required fields are computed
154      - add new averaging code for zetaZ/deltaZ (again similar to
155        seaice_calc_viscosities.F), inactive by default for now (will change
156        results again), but will replace old code eventually
157    o eesupp/src:
158      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
159        to always cumulate tile local-sum in the same order
160        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
161        Still uses MPI_Allreduce (like standard code) but on array of tiles
162        and should be faster than GLOBAL_SUM_SEND_RECV code.
163      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
164        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
165      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
166         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
167         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
168         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
169         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
170    
171    checkpoint65n (2015/07/29)
172    o pkg/thsice:
173      - add a warning when used with pkg/aim but without updating SST
174        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
175    o pkg/offline:
176      - change where Offline-Fields are loaded, from load_fields_driver.F to
177        directly within FORWARD_STEP, just after updating iter number and time;
178      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
179        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
180       These changes allow:
181        a) to recover exactly on-line results using deltaToffline=deltaTClock,
182        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
183        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
184        time-step, both with GM & KPP files and with recomputing these fields;
185        b) no needs to switch on staggerTimeStep anymore;
186        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
187      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
188    o pkg/offline:
189      - change (rarely used) offset-iteration parameter to an offset time (in s):
190        can easily recover previous offset-iter effect by setting offset-time
191        (offlineTimeOffset) to offset-iter x deltaToffline;
192      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
193        in KPP as part of surface buoyancy forcing) in offline run.
194      - fix ptracers KPP non-local term in the case where KPP is re-computed.
195    o OpenAD
196      - Adding preliminary ggl90 test to OpenAD verification.
197        Config. with ggl90 currently diverges after 64 time steps
198        so will need more work to become more stable
199      - Adding preliminary kpp test to OpenAD verification.
200        required small tweakes in kpp_routines.F
201      - Merge and update from Krishna Narayanan's contrib area:
202        * Add one variable for preliminary OpenAD DIVA
203        * Add replacement time-stepping for OpenAD DIVA
204        * genmake2 flag -diva (but only for OpenAD; preliminary)
205        * required modifs for OAD_support
206        successful preliminary test for tutorial_global_oce_biogeo/
207    o pkg/seaice:
208      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
209      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
210        delta with a smooth function in s/r seaice_calc_viscosity
211        (no effect on EVP)
212      - rename local suffix "sqr" into "sq" for more consistent variable names
213    o pkg/seaice:
214        add new parameter SEAICE_deltaMin that is used ***only***
215        for regularizing Delta (and nothing else, like the parameter
216        which is also used for all sorts of things SEAICE_EPS).
217        Defaults to SEAICE_EPS for backward compatibility only.
218    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
219        the wrong key by inialising it before use -> fixes a recomputation
220        problem but does not fix the gradient
221    o pkg/layers:
222      - move resetting of flux arrays to outside the iLa loop
223        (this caused layers_diapycnal to not work with more than one layer coord.)
224      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
225    o pkg/layers:
226      - remove from common block 3D layers fields (used to diagnose transport
227        in tracer coords) and declare them as local arrays in layers_calc.F
228    o pkg/seaice:
229      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
230        in lab_sea forward experiment (changes results -> updated)
231      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
232    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
233       computations; for SEAICE_VECTORIZE_LSR
234      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
235        sweep to the outside,
236      - remove store directives and add "CADJ loop sequential" directives
237        in analogy to model/src/solve_tridiagonal.F
238      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
239        boundaries to yield more readable code. This has also the charming side
240        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
241        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
242        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
243        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
244        an additional option)
245       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
246       but the adjoint gradients (which are affected by this change) still explode.
247    o coupler (atm & ocn _compon_interf):
248      - avoid using Exch2 IO mapping if not suitable.
249    
250    checkpoint65m (2015/06/15)
251    o pkg/layers:
252      - clean-up old parameters setting (from Sep 2012):
253        + remove old parameters setting from common block (declared locally);
254        + stop if any old parameter is mixed with new parameters;
255        + check for valid or consistent parameter setting (e.g., layers_name)
256      - check that layers_bounds for Pot.Density are in the right range;
257        this is supposed to catch un-updated setting after recently shifting
258        potential density field "prho" by -1000 (now in "sigma" scale).
259    o pkg/layers:
260      - Added missing call to layers_fill for keeping track of tottend in
261        pkg/diagnostics/diagnostics_fill_state.F
262    o pkg/layers:
263      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
264        of diapycnal fluxes
265    o pkg/layers:
266      - reverted changes to interpolation to previous treatment; there
267        was never actually a problem
268    o pkg/layers:
269      - fix interpolation of layers tracers in the presence of partial cells
270      - add lots of new functionality to compute water mass transformation
271        (enabled by CPP flag LAYERS_THERMODYNAMICS)
272      - add new calls from main code (diags_oceanic_surf_flux.F,
273        thermodynamics.F, impldiff.F) and gad to save the necessary fields
274        for layers_thermodynamics calculations
275    o pkg/ptracers:
276      - add capability of stepping a passive tracer forward without advection
277        by setting PTRACERS_advScheme to 0.
278    o pkg/diagnostics:
279      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
280    o pkg/layers:
281      - shift potential density field "prho" by -1000 for density layer averaging so
282        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
283        Note that density bin boundaries (layers_bounds in data.layers) have
284        to be set accordingly (i.e., shifted, in sigma scale).
285    o pkg/layers:
286      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
287      - fix calculation of layer non-weighted velocity and layer probability
288      - add diagnostics for pot.density used for layer averaging
289    o pkg/seaice:
290      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
291        positiveness, modify a few comments and improve variable names,
292      - the changed computation of deltaC affects most seaice-related
293        experiments at the truncation level.
294        seaice_itd.thermo is affected by far the most, with
295        only 7 digits of agreement remaining; update experiments.
296    
297    checkpoint65l (2015/05/04)
298    o pkg/shelfice:
299      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
300        factor drKp1 to zero where it is negative (ie. do not use
301        SHELFICEBoundaryLayer if hFacC>1)
302      - the same for factor drLoc in shelfice_forcing.F
303    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
304        with modules in ptracers, when using testreport option "-small_f"
305    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
306      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
307    o verification/testreport
308      - add new option -small_f
309        with this option testreport first makes the target small_f (*.f files)
310        before running make (all). This is useful for explicit inlining when
311        all sources need to be full available.
312    o pkg/exf/exf_interp.F:
313        remove previous changes related to reverse (decreasing) input grids latitude
314    
315    checkpoint65k (2015/04/01)
316    o pkg/ecco:
317        fix missing cosphi initialization; use eccoiter in place of optimcycle;
318        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
319        instead of active read/write
320    o pkg/ctrl:
321        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
322        instead of active read/write.
323    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
324        return if .NOT.useAUTODIFF
325    o pkg/seaice: add CPP brackets (cost function related).
326    o model/src:
327        add useAUTODIFF run time switch.
328    o pkg/exf/exf_interp.F:
329        add code to allow input grids with latitude starting in the north (i.e. when
330        j=1 corresponds to northern edge of field); modify global_with_exf to test
331        this feature.
332    o verification/testreport:
333      - replace "grep -A3" with POSIX conformal sed command, because there are
334        implementations of grep that cannot do contextual searches
335      - replace "cat -n" by "nl" (two occurrences), because not all implementations
336        of "cat" have the option "-n"
337    o model/src:
338        add new file gsw_teos10.F that contains 3 functions, more or less a copy
339        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
340        convert from conservative to potential temperature. For now they are not
341        called anywhere.
342    o pkg/ggl90: make "useIDEMIX" useful
343      - re-organize code in s/r ggl90_calc a little to move computations that
344        are different for idemix into separate loops (changes verification
345        experiment idemix at truncation level, 12 digits remain -> updated)
346      - requires 2 new 2D fields KappaM, verticalShear
347      - make hFacI and recip_hFacI local 3D variables that are passed to
348        s/r ggl90_idemix
349      - fix and improve some comments
350    
351    checkpoint65j (2015/02/25)
352    o pkg/openad
353      - synchronize seawater.F with version in model/src: replace routine
354        body of sw_temp by calling sw_ptmp and fix/add a few comments.
355    o pkg/mnc:
356      - change default value of pickup_read/write_mnc params to FALSE
357        (since few features are missing in reading MNC pickup files).
358    o model/src:
359      - change default (background) vertical diffusivity for salt to be the
360        temperature (background) vertical diffusivity.
361      - change background vertical diffusivity in vertical mixing pkgs ggl90,
362        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
363        This makes ptracers default diffusivity (that uses salt diffKr) more
364        consistent with vertical mixing schemes.
365    o verification/testreport:
366      - fix typo in "-pcls" option ;
367      - put temp files in /tmp (instead of in local dir)
368      - add option "-ncad" to use genmake2 new option "-nocat4ad"
369      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
370    o pkg/ggl90 (idemix code):
371      - apply few fixes ; add some missing "_d 0" ; update output of exp.
372        global_ocean.90x40x15.idemix
373    o OpenAD
374      - enable active file I/O and begin removal of work-around code
375        for OpenAD for handling control variables (memory vs. active files)
376      - new CPP options file OPENAD_OPTIONS.h
377      - revert to genarr2d gradient check for hs94.1x64x5
378      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
379      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
380    o tools/genmake2:
381      - add option for an alternative Makefile (from Martin) where multiple
382        source files are sent to TAF (instead of all in one file).
383    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
384      - code provided by Carsten Eden as an extension of ggl90
385      - so far the code is turned on within ggl90 by setting a CPP-flag at
386        compile time; a runtime flag implementation is not yet complete
387      - tested in new verification experiment global_ocean.90x40x15.idemix
388    o verification:
389      - reduce length of the AD test run by half for experiments
390        global_ocean.cs32x15 (std + thsice) and isomip
391      - enable active file I/O for OpenAD, adjust verifications accordingly
392      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
393    o verification/testreport:
394      - fix two non-POSIX sed statements so that there are no error messages
395        on Mac OS X
396      - replace hostname -s with hostname | sed 's/\..*$//'
397    o model/src/seawater.F:
398      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
399        (following the matlab code), which would have avoided the bug caught
400        by Matt (see below) in the first place
401    o pkg/shelfice:
402      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
403        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
404      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
405        ice-shelf case (i.e., within surface level).
406      - add config summary in shelfice_check.F
407      - remove global variable recip_SHELFICElatentHeat and replace by a local
408        variable recip_latentHeat
409      - introduce diagnostics for friction velocity uStar (in case of
410        SHELFICEuseGammaFrict)
411      - change verification experiment isomip.htd:
412        + start from pickup (as input_ad at nIter0=8640)
413        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
414        + test SHELFICEuseGammaFrict = .TRUE.
415        + test SHELFICEadvDiffHeatFlux = .TRUE.
416    o model/src:
417      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
418        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
419        update output of experiments global_with_exf.yearly and isomip (all 6).
420    o pkg/shelfice:
421      - change setting of kTopC to also be zero where there is no ice-shelf.
422      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
423        ice-shelf is.
424      - first attempt to get RealFreshWaterFlux effects: for now, only without
425        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
426    o pkg/seaice: add the option to prescribe a fixed thickness PDF
427      for thermodynamic calculations
428      - because of divisions of the type 7/7 not exactly equal to 1, this change
429        affects results of some verification experiments by up to 4 digits:
430        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
431        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
432        adjoint: lab_sea, lab_sea.noseaicedyn
433        -> updated
434    
435    checkpoint65i (2015/01/23)
436    o model/src:
437      - change units of frictionHeating field from W to W/m^2
438      - fix bug in frictional heating from stratospheric drag in
439        S/R ATM_PHYS_TENDENCY_APPLY_V
440      - with synchronous time-stepping: move resetting to zero of frictionHeating
441        field from load_fields_driver.F to thermodynamics.F ;
442      - add diagnostics for frictional heating.
443    o model/src & gmredi K3D:
444      - add frictionHeating field to pickup-files (for synchronous time-stepping)
445      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
446      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
447        and name in pickup file).
448      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
449    o model/src:
450      - move (from ini_forcing.F) initialisation of all arrays in header file
451        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
452        (since Nov 2012) with option selectAddFluid=1.
453    o pkg/shelfice:
454      - change units (+ document) of newly added field "shelfIceMassDynTendency"
455      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
456    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
457    o pkg/seaice: two new runtime parameters:
458      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
459        long overdue
460      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
461        parameterization of tensil stress for fast ice (does not do anything yet)
462    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
463        for LSR: move checking overlaps out of JFNK-if-block
464    o pkg/atm_phys:
465      - move copy of grid and dynamical fields out of atm_phys_driver.F into
466        new S/R ATM_PHYS_DYN2PHYS.
467      - fix level height for Linear Free-Surf case (to be consistent with
468        fixed-in-time pressure levels).
469    o pkg/mom_common (bottomdrag):
470      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
471        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
472        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
473    o pkg/shelfice (u/v_drag):
474      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
475      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
476        (now similar to shelfice_u_drag.F)
477      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
478        from mom_vecinv.F (similar to mom_fluxform calls).
479    o pkg/mom_common (bottomdrag):
480      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
481      - add options for alternative discretisation of velocity norm in quadratic
482        bottom drag: averaging of grid-cell-center KE to U.point and V.point
483        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
484        improves when averaging only the other component (e.g. vVel for U bottom
485        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
486      - add options (bottomVisc_pCell) to account for partial-cell in bottom
487        friction (no-slip BC) thus getting the true distance from the bottom;
488        off by default since this also reduces model stability (explicit bottom
489        friction). Changes produce different machine truncation with linear-drag
490        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
491        front_relax (bvp & mxl, 10 & 11 digits).
492    o model/src & mom pkgs:
493      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
494        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
495      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
496        just copy level Nr value to level Nr+1.
497    o doc:
498      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
499    o pkg/streamice:
500      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
501        SHELFICE.h: move array shelficemass to init_varia, initialise
502        from array shelficemassinit, which is set in init_fixed and
503        has option to be set from file; introduce array
504        shelficeMassDynTend array, set thru file in init_fixed
505      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
506        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
507        pkg/streamice
508      - shelfice_thermodynamics.F: call shelfice_step_icemass if
509        SHELFICEMassStepping = .true.
510      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
511    
512    checkpoint65h (2014/12/17)
513    o verification/global_ocean.90x40x15, global_ocean_ebm:
514      - update to generic controls.
515    o pkg/ctrl:
516      - ctrl_map_ini_genarr.F: test for igen>0
517      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
518      - move gentim2d part of ctrl_map_ini_genarr.F to
519        new separate routine : ctrl_map_ini_gentim2d.F
520      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
521        add time variable weights and cyclic controls (time mean,
522        seasonal cycle, etc) capabilities to gentim2d
523    o pkg/ecco:
524      - move reading of error, conversion to weights from
525        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
526    o global_oce_llc90, cs32:
527      - activte sbo.
528      - CTRL_SIZE.h : add maxCtrlProc.
529      - activate the new genctrl capabilities.
530      - update following reorganization of global_oce_input_fields.tar.gz  
531    o pkg/ctrl/ctrl_ad_diff.list:
532      - add missing ctrl_init_rec.f
533    o tools/OAD_support/keepOriginal:
534      - add ctrl_init_rec.F
535    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
536      - avoid recomputations of xx_gentim2d_dummy.
537    o momentum diagnostics:
538      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
539        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
540    o pkg/seaice/seaice_lsr.F:
541      - fix computation of BU/BV, make sure they are non-zero, only necessary
542        for cubed sphere exchanges and SEAICE_OLx/y>0.
543        This makes calling s/r fill_cs_corner_rl obsolete (removed).
544    o verification/global_ocean.cs32x15/input.seaice
545      - add test for strong implicit coupling and restricted addtive Schwarz
546        methods for LSR
547      - update results/output.seaice.txt
548    o verification/tutorial_global_oce_biogeo:
549      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
550        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
551        update output_adm,_oadm,_tlm.txt
552    o pkg/dic:
553      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
554      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
555        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
556    o verification/tutorial_global_oce_biogeo:
557      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
558        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
559        update output_adm,_oadm,_tlm.txt
560    o eesupp/src:
561      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
562        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
563    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
564      LSR (following Hutchings et al. 2004)
565      - introduce zetaZ as a global variable (requires adjustments in
566        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
567        in seaice_calc_viscosities.F
568      - new flag SEAICEuseStrImpCpl (default off)
569      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
570        momentum equations
571      - JFNK-solver (preconditioner) adjusted to allow using this method
572        (where it does not have any positive effect)
573    o pkg/seaice
574      - add overlap for restrictive additive Schwartz method also to LSR, but
575        turn it off by default (because it only seems to work for non-cubed
576        sphere/llc topologies)
577    o pkg/autodiff
578      - add extra exchanges in addummy_in_steppging also for mnc output
579    o pkg/seaice:
580      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
581        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
582    o pkg/obcs:
583      - add option to specify domain-connected piece Id along OB though files
584        (for now, only used to diagnose PhiVel; default =1 -> global correction)
585      - modify obcs_diag_balance.F to process each connected-part separately;
586        exclude OB where Id = 0 but keep the full divergence there (-> constant
587        Psi along this portion of OB and all inflow derived from grad(Phi))
588      - add example of OB-conect files in verification/so_box_biogeo/input.
589    o pkg/diagnostics:
590      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
591      a) use non zero matrix element across OB and solve for Phi 1 grid point
592         outside OB (i.e, where tracer OBCS are applied).
593      b) global imbalance of inFlow/outFlow across OB: instead of modifying
594         velocity across OB, spread it uniformly along the OB in the RHS.
595    
596    checkpoint65g (2014/11/19)
597    o pkg/diagnostcis:
598      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
599    o pkg/my82,pp81,kl10:
600      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
601        field diffKr as background diffusivity to set minimum diffusivity value.
602    o pkg/seaice:
603      - add new parameter SEAICEuseEVPrev (for revisited EVP by
604        Bouillon et al 2013)
605      - add SEAICE_evpAlpha/Beta to namelist
606      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
607        involve trivial re-ordering of divisions/multiplications that should not
608        have any effects, but ... they do change the results of lab_sea.hb87 so
609        that only 2 digits of agreement remain, in line with the general
610        instability/fragility of the evp-code. For now, I do not care and just
611        update the verification experiment
612    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
613      - remove xx_genarr2d_numsmooth etc
614      - use xx_genarr2d_preproc etc instead
615      - carry out smooth_correl2D at initialization stage rather than during
616        time stepping.
617      - get smoothOpNb from xx_gentim2d_preproc
618    o global_oce_cs32 :
619      - add test of generic ecco capabilities.
620    o pkg/exf/exf_getsurfacefluxes.F :
621      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
622    o pkg/ctrl,ecco :
623      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
624        is defined.
625    o pkg/seaice: add diagnostics for Delta (deformation parameter)
626    o model/src:
627      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
628        diffusivity (background) is specified but ignored.
629    o verification:
630      - in testreport, convert hostname to lower case for default output dir name
631    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
632    o pkg/dic: add modifications from Hajoon:
633      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
634      - light attenuation: add self-shading effect by climatological Chlorophyll
635        (read from file).
636    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
637        compiles when SEAICE_ALLOW_DYNAMICS is undefined
638    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
639        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
640        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
641        approach where CPP_OPTIONS.h includes an omnipotent
642        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
643    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
644        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
645    o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
646        to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
647        (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
648    o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
649      add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
650      - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
651      - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
652      - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
653    o pkg/ctrl,ecco,exf :
654      - remove variables associated with NON-generic costs,
655        unless ECCO_CTRL_DEPRECATED is defined.
656      - remove NON-generic NON-obcs controls,
657        unless ECCO_CTRL_DEPRECATED is defined.
658    o pkg/ctrl : added ctrl_local_params.h
659    o pkg/ecco : added ecco_local_params.h
660    o verification : added ECCO_CTRL_DEPRECATED to most as and oad
661        experiments, which will progressively be removed once the
662        experiments are revised to use only generic controls/costs.
663    
664    checkpoint65f (2014/10/13)
665    o pkg/ctrl, ecco, seaice : minor changes in headers
666    o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
667        cost function and control capabilities added since checkpoint65c.
668    o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
669    o pkg/ecco: increase modularity and improve logic
670      - ecco_toolbox.F (new) : basic operations that are often used,
671        including ecco_zero, ecco_cp, ecco_cprsrl, ecco_diffmsk,
672        ecco_addcost, ecco_add, ecco_div, ecco_readbar.
673      - cost_gencal.F (new) : determine filnames and records.
674      - cost_genread.F, cost_generic.F : condense code using ecco_toolbox.
675      - cost_generic.F : use spzeroloc rather than hard-coded -9999,
676        and exploit the above functions leading to more compact code.
677      - cost_genread.F : rm un-necessary arguments, re-arrange args order.
678      - ecco_check.F, ecco_readparms.F : bring logic up to date (using_tpj,
679        using_ers, using_gfo, using_mdt is now only defined within gencost)
680    o pkg/ecco: extend generic cost capabilities
681      - pkg/ecco : added 3D gencost (ALLOW_GENCOST3D), added gencost
682        capabilities via gencost_preproc (+ _c,_i,_r related params),
683        gencost_posproc (+ _c,_i,_r related params), gencost_nrecperiod,
684        gencost_outputlevel arguments to cost_generic
685      - pkg/ecco/cost_genread.F (new) : interface between cost_generic
686        and active_read, making room for gencost_preproc to take effect.
687        Added preproc code ('climmon') to replace GENERIC_BAR_MONTH.
688      - pkg/ecco/cost_generic.F :
689        compute and store misfit maks*(model-data) in localdif that is
690        then used in cost and for output, output misfit if outlev.GT.0
691      - pkg/ecco/cost_averagesfields.F : depend on gencost_barskip
692        rather gencost_barfile for deciding whether to write barfile
693      - pkg/ecco/ecco_cost_driver.F : extract call to cost_profiles from cost_hyd
694      - pkg/ecco/ecco_cost_init_fixed.F : extract gencost weights from
695        ecco_cost_weights, re-activate ecco_summary, determine gencost_barskip
696      - pkg/ecco/ecco_summary.F : report gencost variables
697      - pkg/ecco/cost_gencost_customize.F : treat case of scatterometer costs
698    o pkg/sea/SEAICE_OPTIONS.h : add ALLOW_COST_ICE, ALLOW_SEAICE_COST_SMR_AREA
699  o pkg/ecco: internal re-organization  o pkg/ecco: internal re-organization
700    - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl    - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl
701      (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,      (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,
702      mv relevant variables definition from ecco_cost.h to ecco.h,      mv relevant variables definition from ecco_cost.h to ecco.h,
703      make sure gencost routines only include ecco.h)      make sure gencost routines only include ecco.h)
704    - throughout : add missing CCP switches, rm unused variables,    - throughout : add missing CCP switches, rm unused variables,
705      and rm un-necessary CPP switches      and rm un-necessary CPP switches
706    - throughout gencost routines : replace modelstartdate with    - throughout gencost routines : replace modelstartdate with
707      gencost_startdate when needed      gencost_startdate when needed
708    - cost_bp_read.F : use arguments, instead of common blocs    - cost_bp_read.F : use arguments, instead of common blocs
709      so that it can be used also by (new) cost_gencost_bpv4.F      so that it can be used also by (new) cost_gencost_bpv4.F
710    - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0    - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0
711    - ecco_phys.F : compute etanFull    - ecco_phys.F : compute etanFull
712    - ecco_readparms.F : rename using_topex as using_tpj, add    - ecco_readparms.F : rename using_topex as using_tpj, add
# Line 332  o pkg/seaice: more clean up Line 1024  o pkg/seaice: more clean up
1024      nearly a factor of 10 (but keep in mind there is mostly seaice code in      nearly a factor of 10 (but keep in mind there is mostly seaice code in
1025      this experiment):      this experiment):
1026      > size mitgcmuv_ad      > size mitgcmuv_ad
1027      text    data        bss     dec        hex        text    data        bss     dec        hex
1028      5100659 1216  220458952  225560827  d71c8fb      5100659 1216  220458952  225560827  d71c8fb
1029      5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)      5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
1030      but only a moderate increase of 36% for global_ocean.cs32x15:      but only a moderate increase of 36% for global_ocean.cs32x15:
1031      text    data        bss     dec        hex      text    data        bss     dec        hex

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