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revision 1.2085 by gforget, Tue Oct 21 14:22:26 2014 UTC revision 1.2338 by mlosch, Tue Jun 20 11:33:15 2017 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate  o add hooks for the Parallel Data Assimilation Framework PDAF
8    AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than    (http://pdaf.awi.de/) in eeboot_minimal.F and the_main_loop.F;
9    ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,    to use set CPP-flag USE_PDAF in CPP_EEOPTIONS.h
10    approach where CPP_OPTIONS.h includes an omnipotent  o pkg/exf:
11    ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').    - interpolation of vector fields (exf_interp_uv.F): fix bug in calculation
12  o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where      of South-Pole mean value.  
13    ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.    - interpolation near the poles, case where second additional row is at the
14        pole (or beyond the pole and moved to the pole): change first addition row
15        value to a linear interpolation between pole and 1rst (S.pole)/last (N.pole)
16        row (instead of just a copy of it).
17    o pkg/seaice:
18      - prevent JFNK and KRYLOV solvers from trying to reduce a residual of 0
19      - add the option to compute no-slip du/dy, dv/dx (i.e.
20        the offdiagonal strain rate e12) by a second order approximation
21        on the boundary; works only with JFNK, KRYLOV, or EVP solvers, because
22        it is too messy to implement for the implicit LSR matrix.
23        SEAICE_2ndOrderBC = .FALSE. by default
24    
25    checkpoint66h (2017/06/02)
26    o pkg/seaice:
27      - add new routines to compute stress tensor components and stress tensor
28        divergence to be reused in s/r seaice_lsr and s/r seaice_calc_lhs
29      - change names of diagnostics SIsigI/II (commonly used for invariants)
30        to SIsig1/sig2 (more common for principal components) to avoid confusion
31    o pkf/exf:
32      - add a stop if useRelativeWind with un-updated uwind/vwind (e.g., constant);
33        similarly, stop if rotateStressOnAgrid with constant wind-stress.
34    o pkg/seaice:
35      - remove (comment out) diagnostics SIuwind,SIvwind,SIfu,SIfv (duplicate of
36        EXFuwind,EXFvwind,oceTAUX,oceTAUY) and point them to their equivalent.
37      - add diagnostics of wind-stress over seaice (SItaux,SItauy) and seaice
38        fraction weighted wind stress over ocean+seaice (SIatmTx,SIatmTy).
39    o pkg/diagnostics:
40      - small piece of code to rename (old) diagnostics, when namelist is processed.
41    o model/src:
42      - new run-time param (useMin4hFacEdges) to select method for setting hFacW,S:
43        originally, set as minimum of adjacent hFacC factor ; now (new default)
44        computed from rSurfW,S and rLowW,S by applying same rules as for hFacC.
45        Only matters when useShelfIce=T with particular ice-shelf cavity geometry.
46    o pkg/seaice:
47      - add momemtum advection, off by default, still in test phase
48        most of the momentum advection code is adapted and reused from mom_vecinv
49    o pkg/mom_vecinv:
50      - pass these runtime flags:
51        selectVortScheme, highOrderVorticity, upwindVorticity, useJamartMomAdv
52        as formal parameters to s/r mom_vi_u/v_coriolis, mom_vi_u/v_coriolis_c4,
53        so that these routines can also be used in pkg/seaice.
54    
55    checkpoint66g (2017/04/24)
56    o model/src:
57      - more robust ordering of column thickness integral (=Sum_k(drF*hFac) )
58        to get same expression (regarding machine truncation) in different places
59        in ini_masks_etc.F (e.g., rSurfC,W,S is now exactly zero when it should).
60        Update forward output of experiments: global_ocean.cs32x15 (all 5 except
61        viscA4), isomip (x3), tutorial_global_oce_in_p & tutorial_plume_on_slope.
62    o pkg/shelfice:
63      - ALLOW_SHIFWFLX_CONTROL: move setting of maskSHI from shelfice_update_masks.F
64        to shelfice_init_fixed.F
65      - change S/R SHELFICE_UPDATE_MASKS to SHELFICE_INIT_DEPTHS (still called from
66        ini_masks_etc.F for now) to update ocean upper boundary position according
67        to ice-shelf topography (instead of directly updating hFacC).
68    o model/src:
69      - move call to CTRL_INIT & CTRL_ADMTLM from the middle to the bottom of
70        packages_init_fixed.F to allow other pkgs to set mask and weight fields.
71    
72    checkpoint66f (2017/04/06)
73    o model/src:
74      - add specific run-time param to select level of printed plot-field-maps,
75        set by default to debugLevel. Remove internal param "printDomain".
76    o pkg/seaice:
77      - add flag to add snow mass to seaiceMassC/U/V, the default is
78        SEAICEaddSnowMass=.FALSE., not to change previous results
79    o pkg/bling
80      - Bug fix in bling_production regarding unit conversion for diagnostics
81        being put in the wrong place
82    o model/src:
83      - add back recomputation of rSurfW & S to ensure consistent column thickness
84        (needed for rStar) between Sum_k(hFac*drF) and rSurf-rLow, for now only
85        when using pkg/shelfice; was initially added on 2012/06/01 (ini_masks_etc.F
86        revision 1.51) but was removed accidentally on 2014/02/08 (v1.53).
87    o pkg/autodiff:
88      - clean-up "checkpoint.flow"
89    o pkg/rw (Contribution from Jody Klymak):
90        option to set mds file suffix as function of time in simulation:
91        *) new input parameter "rwSuffixType" (read from PARM03 namelist)
92           to select file suffix format; by default (=0), use iteration number;
93        *) add simple routine to return file suffix according to rwSuffixType;
94        *) in model/src and in most pkgs (except: atm2d, fizhi, regrid & streamice),
95           use new S/R to get file suffix, except for debug output file (diagFreq)
96           and pkgs offline & rbcs input files.
97    o pkg/rw:
98      - uniform processing of "I10" suffix across writing fld routines; used to
99        simplify debug writing of cg2/3d_b/x in solve_for_pressure.F & post_cg3d.F
100        (similar to cg3d.F, cg3d_ex0.F)
101    o pkg/mom_vecinv:
102      - highOrderVorticity in selectVortScheme=2 case: fix c4 coeff in splitted
103        vorticity flux (keep same sum in case vBarXm=vBaXp, uBarYm=uBarYp).
104    o pkg/bling:
105      - Many small changes intended to clean the code.
106        Unnecessary ADJOINT_SAFEs removed ;
107        removed BLING_COST.h BLING_CTRL.h bling_cost.F ;
108        diagnostics added.
109    
110    checkpoint66e (2017/03/14)
111    o pkg/exf:
112      - interpolation with #undef EXF_INTERP_USE_DYNALLOC: move buffer size
113        definition outside EXF_PARAM.h in new header file: EXF_INTERP_SIZE.h;
114        use fixed size buffer (passed to S/R EXF_INTERP & EXF_INTERP_UV) to
115        avoid any dynamic allocation ;
116      - S/R EXF_CHECK: add new check & stop when file-name is defined but not
117        read-in ; add warning when file is read-in but not used within pkg/exf ;
118        + check for buffer-size (if #undef EXF_INTERP_USE_DYNALLOC).
119      - update exf_summary.F (print {FLD}RepCycle).
120    o verification/global_with_exf:
121      - switch on exf interpolation in AD test (just like the forward test)
122    o pkg/mom_vecinv:
123      - add storage directives to avoid recomputations within mom_vecinv.F
124        which were generating seg. fault with gfortran -devel
125    o pkg/ctrl, pkg/smooth:
126      - initialize array halos which were generating seg. fault with
127        gfortran -devel in adjoint mode
128    o pkg/exf:
129      - for each input field, enable to specify a field specific repeat-cycle
130        ({FLD}RepCycle) which defaults to pkg/exf main "repeatPeriod".
131    o verification/lab_sea:
132      - update AD results of primary test and noseaicedyn test after switching
133        to new version of TAF (5.3.13 vs 5.3.2 before); agreement with gradient
134        check stays about the same.
135    o pkg/exf:
136      - fix bug in exf_zenithangle.F for cases select_ZenAlbedo > 0 with useCAL=T.
137      - exf_check: MAX_LAT_INC need only be "loc_nlat-1", not equal to loc_nlat
138    o pkg/bling, USE_EXFCO2 code:
139      - add parameter "apco2RepCycle" (set to pkg/exf "repeatPeriod" by default);
140      - update calls to EXF S/R (use new version: EXF_INIT_FLD & EXF_SET_FLD).
141    o pkg/exf:
142      - rename S/R EXF_INIT to EXF_INIT_VARIA ;
143      - add arguments: fldName (for debug msg) and fldRepeatCycle (set to
144        repeatPeriod) to S/R EXF_SET_UV and to S/R EXF_SET_GEN (renamed EXF_SET_FLD)
145        and update calls in pkg/exf calling S/R (exf_getffields.F & exf_getclim.F) ;
146      - add argument: fldName (for debug msg) to S/R EXF_INIT_GEN (renamed
147        EXF_INIT_FLD) and update calls in exf_init_varia.F
148      - For now, for backward compatibility, keep a simplified version of S/Rs
149        EXF_SET_GEN & EXF_INIT_GEN in file exf_set_gen.F
150      - add and pass new arguments: fldName (for debug msg) and fldRepeatCycle
151        to S/R EXF_GetFFieldRec ; update calls in pkg/obcs/obcs_exf_load.F
152    o tools/genmake2:
153      - replace "bc -l" (only used once) by "expr" (already used).
154    o verification/global_ocean.cs32x15:
155      - turn off pkg/cal (useCAL=F) in secondary FWD exp. "icedyn".
156        Note: exf setting (data.exf) can be compared to other exf secondary exp
157        "seaice" (kept with useCAL=T) which has same time dependent forcing.
158    
159    checkpoint66d (2017/02/13)
160    o pkg/exf:
161      - remove setting of useCAL=T when using pkg/exf (useEXF=T); add warning
162        early on (in packages_boot.F) to stress this change in pkg setting.
163      - In (most) verification exp. that use pkg/exf, add useCAL=.TRUE. to data.pkg
164    o model/src:
165      - move call to ecco_phys to end of time step; this may induce minor
166        cost function changes by shifting time averages by one time step
167        for some variables; this revision resulted in changed adjoint results
168        in MITgcm_contrib/verification_other/global_oce_cs32
169    o pkg/exf:
170      - Change EXF_READ_EVAP to only activate code within #ifdef ALLOW_ATM_TEMP ;
171        this prevents to read evap when ALLOW_ATM_TEMP is undef and other fields,
172        e.g. precip, are not available.
173    o pkg/flt:
174      - flt_init_varia.F: use pickupSuff if specified
175      - add code (within #ifdef DEVEL_FLT_EXCH2) and test case as a first,
176        intermediate, step towards completing pkg/exch2 support within pkg/flt;
177        ifdef DEVEL_FLT_EXCH2 then:
178        - flt_init_fixed.F: comment out stop
179        - flt_exch2.F: conserve ipart, jpart (grid coordinates)
180        - exch2_recv_get_vec.F: transform ipart, jpart (grid coordinates)
181        - flt_mapping.F: attempt to fix longitude diagnostic near date-line
182        - flt_init_varia.F: hack initialization (for testing purposes w. LLC90)
183    o tools/genmake2 & pkg/pkg_depend:
184      - define new type of pkg dependency rule ("=pkg_x"), less strict than
185        the "+" rule, that add the dependent pkg (pkg_x) unless it's disabled
186        (-pkg_x in packages.conf).
187      - change pkg/exf dependency rule from "exf +cal" to "exf =cal";
188      - add "+cal" to dependency list of pkg/ecco (needed to compile).
189      - simplify FWD experiment "offline_exf_seaice" by removing pkg/cal.
190    o utils/matlab:
191      - adding ocean_basin routines for defining basin masks.
192    o pkg/exf:
193      - new S/R EXF_GETFFIELD_START replacing EXF_GETFIELD_START, but with more
194        arguments, allowing to check (and stop) if parameter setting of
195         {FLD}startdate1 & date2 and of {FLD}StartTime are consistent with
196        useCAL= T or F. For now, kept a simplified version of EXF_GETFIELD_START
197        for backward compatibility.
198      - change accordingly calls in exf_init_fixed.F + default {FLD}StartTime in
199        exf_readparms.F ; apply same changes to pkg/icefront (for SGRunOff field).
200    o pkg/bling (USE_EXFCO2 code):
201      - fix missing setting of apco2StartTime according to apco2startdate1 & date2
202        by adding a call to S/R EXF_GETFFIELD_START.
203    o pkg/exf:
204      - allows to compile without pkg/cal (but disabled by current dependency
205        rules, i.e., default "pkg/pkg_depend"). Minimal changes to enable to
206        run with useCAL=F ; this involves setting directly {FLD}StartTime instead
207        of {FLD}startdate1 & date2 ; consistency check not yet coded.
208    o verification/global_ocean.cs32x15:
209      - fix all data.exf for a shift of 1 day in all field startdate1 so that it now
210        corresponds to middle of 1rst month; update outputs (2 fwd + 3 adm + 3 tlm).
211    o pkg/exf:
212      - allow to use EXF_ZENITHANGLE without pkg/cal + simplify (saving some
213        calculations); change FWD experiment global_ocean.cs32x15
214        (#define ALLOW_ZENITHANGLE) to test/check that this code compiles.
215    o pkg/exf:
216      - In preparation for addition to NAMELIST, rename internal (_RL) parameter
217         {FIELD}startdate to {FIELD}StartTime
218        Note: new name also fit better the content, i.e, a start time in second.
219    o eesupp/src:
220      - add 1 argument to S/R EEBOOT & EEBOOT_MINIMAL for interface with ESMF
221    o pkg/exf:
222      - add option ALLOW_READ_TURBFLUXES (and corresponding set of parameters)
223        to allow to read-in Sensible & Latent Heat flux ;
224      - simplify pkg/exf main options:
225        1) move small piece of code (case ALLOW_ATM_TEMP undef) out of
226           exf_bulkformulae.F into exf_wind.F so that exf_bulkformulae.F is
227           compiled only when both ALLOW_ATM_TEMP & ALLOW_BULKFORMULAE are defined;
228        2) make call to EXF_RADIATION and to EXF_WIND independent of CPP option
229           ALLOW_BULKFORMULAE which now only applies to S/R EXF_BULKFORMULAE ;
230        3) improve options documentation in EXF_OPTIONS.h.
231    o pkg/ecco:
232      - cost_gencost_customize.F,ecco.h,ecco_phys.F,ecco_readparms.F, and
233        ecco_summary.F: add passive tracer cost functions to gencost;
234        m_ptracer and m_boxmean_ptracer
235    o pkg/ctrl:
236      - ctrl_map_forcing.F: pass myIter and myTime to ctrl_map_forcing as input
237        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing; add to list
238        of implemented gentim2d contol parameters: xx_qnet, xx_empmr, xx_qsw,
239        xx_sst, xx_sss, xx_pload, xx_saltflux, xx_fu, xx_fv, xx_fe, xx_fn
240    o model/src:
241      - forward_step.F: pass myIter and myTime to ctrl_map_forcing as input
242        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing
243    o pkg/exf:
244      - exf_getffields.F: add to list of implemented gentim2d contol parameters:
245        xx_lwflux, xx_swflux, xx_evap, xx_apressure, xx_areamask
246    
247    checkpoint66c (2017/01/19)
248    o verification:
249      - add new option "-src" to testreport to only produce source code (*.f),
250        including taf output src code (if using '-adm'/'-tlm' option).
251    o pkg/exf:
252      - add saltflx :: Net upward salt flux in psu.kg/m^2/s
253    o pkg/diagnostics:
254      - add run-time variable diagMdsDir to specify a subdirectory for
255        diagnostic output when mds is being used and mdsioLocalDir is not.
256    o pkg/mnc:
257      - mnc_utils.F: edit stop message
258    o pkg/autodiff:
259      - autodiff_ini_model_io.F: PRINT_MESSAGE, clean-up comments, add _*_MASTER,
260        add HAVE_SYSTEM bracket around system call to mkdir
261    o pkg/profiles:
262      - profiles_findunit.F, profiles_init_fixed.F, profiles_interp.F,
263        profiles_readparms.F: call ALL_PROC_DIE before 'stop'
264      - profiles_ini_io.F: use PRINT_MESSAGE, clean-up comments, add _*_MASTER,
265        add HAVE_SYSTEM bracket around system call to mkdir
266    o pkg/smooth:
267      - smooth_filtervar2d.F, smooth_filtervar3d.F: call ALL_PROC_DIE before 'stop'
268      - smooth_init2d.F, smooth_init3d.F: move print statements to readparms
269      - smooth_readparms.F: add cleaner print statements from smooth_init?d.F
270    o pkg/exf:
271      - check: count errors and stop cleanly at the end (call to ALL_PROC_DIE);
272        issue error message when climsst_interpMethod.GT.0 and climsst_lon_inc > 500
273        generalize tests on interpMethod, nlat, and lon_inc to all exf variables.
274      - summary: skip detailed field report if not used (empty file-name).
275    o tools/xmakedepend:
276      - In case line editor "ed" is missing, switch to "sed" command to clean-up
277        Makefile from previous dependencies (anything after "# DO NOT DELETE" line).
278    o pkg/exf:
279      - change definition of "hflux" input file to always include Short-Wave;
280        this is now consistent with hflux computation (if using bulk-formulae)
281        and hflux diagnostic & documentation (in EXF_FIELDS.h).
282    
283    checkpoint66b (2016/12/01)
284    o model & momentum pkgs:
285      - implement fully implicit bottom friction combined with implicit surf.
286        pressure, for now, only in hydrostic formulation:
287        + to use: compile with #define ALLOW_SOLVE4_PS_AND_DRAG in CPP_OPTIONS.h
288          and run with selectImplicitDrag=2 ;
289        + currently missing diagnostics of bottom drag and vert. viscosity tendency;
290      - partial implicit time-stepping (bot. friction + vert. visc first, then
291        surf. press) corresponding to selectImplicitDrag=1 should be applicable
292        to NH formulation but not available until we solve for surf. pressure
293        increment (instead of full etaN).
294      - change exp. global_ocean.cs32x15.thsice to test implicit bottom drag
295        with implicit vertical viscosity.
296    o pkg/seaice: add linear remapping scheme (Lipscomb 2001) to ITD model
297      - this is a first version that includes many regularisations that may
298        not all be necessary, to be sorted out,
299      - turned on by runtime parameter SEAICEuseLinRemapITD (true by default)
300      - change one verification experiment in seaice_itd to use and test new code
301      - seaice_growth: catch a case where the argument of log can be zero
302        or smaller (important for code stability)
303    o model/src:
304      - modify SOLVE_DIAGONAL_LOWMEMORY version of solve_tridiagonal.F
305        & solve_pentadiagonal.F to enable to re-used inverse matrix for solving
306        similar A.X'=Y' system (with same matrix A) in subsequent calls;
307        switch based on errCode (In/Out) argument value; in calling routines,
308        initialise errCode before first call.
309    
310    checkpoint66a (2016/10/18)
311    o pkg/bling:
312      - BLING package now loads in atmospheric pCO2 file using exf package routines
313        Enable with #define USE_EXFCO2 in BLING_OPTIONS.h
314    o model/src & pkg/ptracers:
315      - with INCLUDE_IMPLVERTADV_CODE defined, also call MOM_U,V_IMPLICIT_R &
316        GAD_IMPLICIT_R (instead of IMPLDIFF) when just implicitViscosity and
317        implicitDiffusion (respectively) are used (even without momImplVertAdv
318        or temp,salt,PTRACERS_ImplVertAdv).
319    o model/src & generic_advdiff:
320      - add parenthesis in main diagonal calculation of implicit vertical
321        diffusion matrix (impldiff.F & gad_implicit_r.F).
322        This affects results at machine truncation level; update output of many
323        verification experiments (31 fwd ; 10 adm ; 8 tlm ; 3 oad).
324    o pkg/mom_commom & generic_advdiff:
325      - add deep atmosphere and anelastic scaling factor in implicit vertical
326        advection routines (mom_u,v_implicit_r.F & gad*_impl*_r.F).
327    o model/src:
328      - remove few unnecessary temp array copies in solve_tridiagonal.F
329        & solve_pentadiagonal.F
330    
331    checkpoint65z (2016/09/28)
332    o pkg/seaice: fix multithreading for seaice_fgmres.F
333      - remove unecessary variables from common blocks
334      - use extra dimension MAX_NO_THREADS for all variables of the Krylov space
335        basis, that are stored in commom blocks (including integer variable i1)
336      - clean up code a little by removing commented lines that refer to
337        original code
338      - turn on multi-threaded test for experiment offline_exf_seaice.dyn_jfnk.
339    o MITgcm manual:
340      - add uptodate pkg/ecco documentation to the manual (section 8.1; ecco.tex),
341        preliminary documentation for generic controls (8.3; ctrl.tex),
342        a placeholder for smooth (8.4; smooth.tex), and comment out the deprecated
343        ecco_costfunction.tex
344    o pkg/ecco:
345      - update and cleanup list of CCP options
346      - re-assign gencost_mask to specify masks rather than gencost_errfile; 'c'
347        is now always passed to cost_generic; gencost_mask is now MAX_LEN_FNAM
348      - add checks that retired run-time options are not used, and in relation
349        to gencost_mask and gencost_errfile
350      - finish deprecating gencost_scalefile, gencost_smooth2Ddiffnbt, and
351        gencost_nrecperiod
352      - fix m_eta computation for virtual salt flux case
353      - add m_horflux_vol case (selected via gencost_barfile) that computes
354        transports via cost_gencost_boxmean (gencost_flag=-3)
355      - use gencost_flag more systematically (i.e., avoid using gencost_name)
356        for code switches (aside from physical variable selection)
357    o pkg/seaice: make seaice_fgmres.F fit for multithreading; this first
358      attempt appears to be a bit of a hack and my need some repair down the road
359    o pkg/exf:
360      - interpolation near South Pole: fix criteria on input field latitude.
361    o pkg/icefront & pkg/exf:
362      - move setting of icefront Sub-Glacial RunOff forcing (currently unused)
363        from pkg/exf (read from data.exf) to pkg/icefront (read from data.icefront)
364    o pkg/exf:
365      - replace CPP option ALLOW_EXF_OUTPUT_INTERP with run-time parameter
366        "exf_output_interp" (in namelist: EXF_NML_04); change output file name
367        (add suffix "_out" instead of a prefix); keep same record number as in
368        input file but always write record 1 first (to avoid a STOP in I/O S/R).
369        Change output file content by writing interpolated field before applying
370        land-sea mask (helpful for debug).
371      - 2 compon. vector interpolation with rotation: apply scaling factor on
372        each compon. (Eastward and Northward) just before rotation.
373    o pkg/bling:
374      - Cleaned package. Removed not needed code and comments.
375      - adjoint example now works
376        (MITgcm_contrib/verification_other/global_oce_biogeo_bling/code_ad)
377    o pkg/ptracers:
378      - add Bruno Deremble's code to complete the linear surface correction
379        for tracer conservation;
380      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
381    
382    checkpoint65y (2016/07/29)
383    o pkg/debug (stats):
384      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
385        proc/thread mapping);
386      - fix Min & Max for case where 1 thread has only empty tiles;
387      - use RL variable to count number of wet grid points (with big domain,
388        can be too large to fit into integer*4).
389    o pkg/monitor:
390      - use RL variable to count number of wet grid points (but used only for del2)
391      - add new routine to compute Advective CFL within tracer time-stepping with
392        writing delayed until next monitor output.
393    o pkg/obcs:
394      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
395    o pkg/cal:
396      - calandar-dump: treat case myTime < timePhase in the same way as in
397        eesupp/src/diff_phase_multiple.F (when not using calandar-dump).
398    o pkg/dic & seaice:
399      - fix compilation of ocean component for coupled atm+ocn model with
400        seaice dynamics & dic.
401    
402    checkpoint65x (2016/06/11)
403    o add a license text file in main MITgcm tree.
404    o added pkg/bling:
405      - intermediate complexity biogeochemical model
406      - see bling_description.txt for details
407      - verification experiment is global_oce_biogeo_bling (for now, in
408        Contrib/verification_other/); tested daily on baudelaire with gfortran.
409      - add entry point in pkg/gchem for new pkg "bling".
410    o pkg/seaice: fix tensile stength computation
411      - replace global field tensileStrength by tensileStrFac
412      - tensileStrFac can be computed once in S/R seaice_init_varia
413      - fortunately that does not affect any verification results
414    
415    checkpoint65w (2016/05/12)
416    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
417         with ECCO_CTRL_DEPRECATED defined
418    o verification/global_ocean.cs32x15:
419      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
420        with "selectNHfreeSurf=1".
421    o model/src (non-hydrostatic free-surface):
422      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
423        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
424      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
425        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
426        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
427        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
428      - Update output (changes at machine truncation level) of verification exp:
429        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
430        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
431    o pkg/seaice: ITD code
432      - fix picking up from a single category model by initialising
433        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
434      - split a long warning message in seaice_check_pickup.F into two lines,
435        because NEC SX-ACE cannot deal with the long line.
436    o model/src:
437      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
438    o pkg/seaice:
439      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
440    o pkg/seaice:
441      - add basal stress as parameterisation for grounding ice
442        following Lemieux et al. (2015)
443      - turn on by setting new parameter SEAICEbasalDragK2 to a value
444        larger than 0. Lemieux et al. (2015) recommend 15.
445      - The adjoint complains with extra recomputations so there is also a
446        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
447        order to postpone the problem
448      - compile the new code in lab_sea
449    o verification/halfpipe_streamice:
450      - update both TAF and OpenAD adm output (machine truncation differences)
451    
452    checkpoint65v (2016/04/08)
453    o verification/advect_xz:
454      - increase overlap size from 3 to 4 and add new secondary test for PQM
455        advection scheme (with mono & wino limiter).
456      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
457    o model/src:
458      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
459        added phi0Ref) to set vertical axis origin and phiRef origin;
460        keep Ro_SeaLevel for backward compatibility (with a warning).
461       According to coordinate and fluid type:
462        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
463        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
464        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
465        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
466      - remove Ro_SeaLevel from ATM experiment parameter files;
467      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
468        complement; update output.txt (changes at machine truncation level).
469    o pkg/seaice/seaice_evp.F
470      - simplify computation of deltaZ and zetaZ to simple averaging following
471        Bouillon et al. (2013). This removes a lot of code, but also changes
472        verification experiment lab_sea.hb87 -> updated
473    
474    checkpoint65u (2016/03/14)
475    o pkg/generic_advdiff:
476      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
477        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
478        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
479        testing and not for actual use.
480    o model/src:
481      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
482        origin r = rF(1);
483      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
484        in EOS for height coordinate: enable to include NH Pressure or to use
485        more accurate pressure vertical profile; options not linked to EOS type
486        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
487      - start to implement variable gravity (along vertical): for now, only with
488        z-coords (not even z*).
489      - add Ideal Gas equation of state for height coordinate.
490      - update OpenAD output (affected at machine truncation level) of exp:
491        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
492    o pkg/exf:
493      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
494        of exf interpolation (before any rescaling, rotation or interpolation
495        to velocity point) for each field that gets loaded from file. This option
496        identically mimics the input file organization (e.g. record numbers in year
497        by year input files) besides the change in horizontal grid.
498      - add rotateStressOnAgrid run-time switch so that wind stress fields
499        can be provided on the A-grid in zonal/meridional direction and
500        rotated on the fly. This only applies to the case when the exf
501        interpolation is off and rotateStressOnAgrid is false by default.
502    o model/src:
503      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
504        it's also used with pkg/atm_phys) and add few more parameters (but still
505        inactive, src code yet to come)
506    
507    checkpoint65t (2016/02/10)
508    o pkg/atm_phys:
509      - from Ruth Geen: add optical depth dependence on CO2 concentration.
510    o model/src:
511      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
512        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
513        Update output of exp. deep_anelastic (changes at truncation level).
514    o tools:
515      - add a hack in "remove_comments_sed" (used only with TAF) for recent
516        version of OpenMPI (shipped with FC.23): comment out the new header
517        file "mpif-sizeof.h" which causes problems to TAF.
518    o pkg/seaice:
519      - change the termination criterion so that maxits (SEAICElinearIterMax)
520        has an effect
521      - unify iteration parameters for implicit solvers (JFNK and Picard)
522        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
523        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
524        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
525        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
526        SEAICEnonLinTol     replaces JFNKgamma_nonlin
527      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
528      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
529        use with SEAICEuseKrylov
530    o pkg/seaice/seaice_lsr.F
531        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
532        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
533        an effect.
534    o pkg/seaice: add two new parameters
535      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
536        parameter is not in any namelist)
537      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
538        a preconditioner for the non-linear Newton iteration of the JFNK
539        solver
540    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
541      affects some experiments at truncation level:
542      - global_ocean.cs32x15.icedyn (11 digits),
543      - global_ocean.cs32x15.seaice (11 digits),
544      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
545      - also update global_ocean.cs32x15 adjoint and tangent-linear results
546    o pkg/salt_plume & pkg/thsice:
547      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
548        connect salt_plume flux to ATM-OCN coupling pkgs interface:
549       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
550         export to coupler interface) even without compiling pkg/salt_plume ;
551       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
552         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
553    o pkg/dic:
554      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
555        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
556        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
557      - move also update with values from ATM-OCN Coupler in the same new S/R
558        (previously done in ocn_apply_import.F).
559    o tools/adjoint_options:
560      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
561        has been changed on Jan 14, 2016.
562    o pkg/ggl90:
563      - add alternative discretisation of vertical shear (off by default), to
564        compute the mean (@ grid-cell center) of vertical shear compon instead of
565        vertical shear of mean flow (@ grid-cell center).
566      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
567        results on adjacent faces of cubed-sphere grids; this fix the restart.
568    o pkg/atm_compon_interf:
569      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
570        pass last value, stored directly before export to CPL ;
571        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
572      - remove atmSLPr from pickup files (no longer needed for restart)
573    
574    checkpoint65s (2016/01/13)
575    o eesupp & genmake2:
576       - first check for Function ETIME and, if it fails, then check for subroutine
577         ETIME and consistent output; use the appropriate version in timers.F
578    o model/src:
579      - to check restart test, add option to apply EXCH to U,V earlier, just before
580        integr_continuity; turned off by default.
581    o pkg/dic:
582      - remove CPP option USE_ATMOSCO2 (not needed)
583    o tools/tst_2+2:
584      - try to ignore difference between +0 and -0 in binary file, causing test
585        to fail for no good reason.
586    o eesupp & genmake2:
587      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
588        but also check (in genmake2) that test runs and returns meaningful results.
589    o coupler pkgs:
590      Finish implementation of optionally-exchanged variable switches (started on
591       Nov 12) with addition of few more exchanged fields, including 2-way exchange
592       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
593       advection in OCN component; this requires sequential coupling.
594      coupler (pkg/atm_ocn_coupler):
595      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
596        routines (useful for debug).
597      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
598         flux, DIC fields) if corresponding switch is ON.
599      - add option to export RunOff to OCN (to use for DIC river input)
600      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
601      components (pkg/atm_ & ocn_compon_interf):
602      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
603        optionally exchanged fields; add a check & stop in cpl_readparms.F.
604        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
605        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
606      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
607        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
608      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
609      - hold in common block coupler optionally-exchanged variable switch
610        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
611      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
612        this is intended to replace the OCN cplFldtave.* output files (not updated
613        to contain new additional exchanged fields).
614    o pkg/dic:
615      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
616    o pkg/thsice:
617      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
618        and writing of thsice pickup files.
619    o pkg/atm_compon_interf:
620      - move all field individual export-call out of cpl_export_import_data.F
621        into new S/R ATM_EXPORT_FIELDS
622    o pkg/atm_compon_interf:
623      - store state variables (for now, only thSIce fields) just before beeing
624        exported (in cpl_export_import_data.F, like on ocean side) instead of from
625        atm_store_my_data.F like all exported fluxes.
626      - new version of pickup_cpl: write field names into meta file and read meta
627        file to find field postion in pickup. Also only write/read fields meeded for
628        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
629    o pkg/dic:
630      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
631    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
632        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
633        value can be from domain [0,1] to average between the two methods
634    o pkg/atm_phys:
635      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
636        hold fixed in time).
637    
638    checkpoint65r (2015/12/21)
639    o pkg/seaice:
640        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
641        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
642    o pkg/seaice:
643      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
644        when SEAICEscaleSurfStress=.TRUE.,
645      - apply areaW and areaS in S/R seaice_calc_lhs
646    o pkg/atm_phys:
647      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
648        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
649        for individual contribution (convection, LSC cond, radiation)
650      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
651        information); activated with: solar_exponent=0. and wv_exponent=-1.
652    o pkg/ggl90:
653      - within IDEMIX add upper limit for horizontal group velocity to
654        avoid instability problems in the explicit horizontal diffusion term for
655        long time steps or high resolution
656    o pkg/diagnostics:
657      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
658        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
659    o testreport:
660      - remove "-v" (verbose option) in default mpirun command.
661    o pkg/seaice/seaice_growth:
662      - catch potential division by zero in ITD code, does not change
663        verification results
664    o pkg/ecco:
665      - retire old codes to the Attic. The calls to retired functions are
666        left in a commented form in case they ever need to be re-activated.
667      - ecco_check.F: issue warning if any old CPP option is
668        defined that corresponds to retired codes -- then stop.
669    o pkg/atm_compon_interf:
670      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
671        coupler: use last time-step value instead of average over cplSendFrq_iter
672        time-step, similar to what is done for seaIceMass.
673        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
674    o eesupp & genmake2:
675      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
676        <= remove until a fix is found for some ifort version on ia32 machine.
677    o pkg/seaice/seaice_evp:
678      - refine residual computation
679    
680    checkpoint65q (2015/11/18)
681    o pkg/seaice/seaice_evp:
682      - fix residual computations so that they no longer affect the actual
683        simulation code
684      - fix seaice_readparams to be able to actually set new parameters
685        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
686    o model/src:
687      - fix wrong truncation (single prec) from "FLOAT" function in expressions
688        like: deltaT*FLOAT(myIter) when myIter is large:
689         a) replaced by DFLOAT (if not seen by TAF);
690         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
691    o pkg/aim_v23:
692      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
693        when pickupSuff is set ; do write rolling pickups + at the end of the run.
694    o pkg/atm_ocn_coupler + ocn_compon_interf:
695      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
696        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
697        add corresponding call in DO_OCEANIC_PHYS.
698    o coupler pkgs:
699      Start a new way to set-up optionally-exchanged variables (previously, only
700       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
701       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
702       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
703       compononent param default can be set accordingly).
704      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
705       but rather applies to a group a fields (going both ways like for DIC)
706       and corresponds to an option of coupling config.
707      coupler (pkg/atm_ocn_coupler):
708      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
709        and read namelist directly (without eessup S/R calls) instead of
710        in the very un-flexible old way, 1 param per line, in fixed order;
711      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
712        cleanly in CPL_CHECK_CPLCONFIG
713      - add new coupling-exchange selectors (some not yet active) including
714        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
715                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
716      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
717        component ; called directly from coupler.F, after comp. registrations;
718      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
719         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
720          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
721      components (pkg/atm_ & ocn_compon_interf):
722      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
723        CPP header file in all pkg source files.
724      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
725        ATM/OCN_CHECK_CPLCONFIG;
726      - add error-counter to track errors (e.g., in "data.cpl") and to stop
727        cleanly in ATM/OCN_CHECK_CPLCONFIG;
728      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
729        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
730        before PACKAGES_READPARMS;
731      verification/cpl_aim+ocn/:
732      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
733        "data.cpl" for coupler (in input_cpl).
734    o eesupp/inc:
735      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
736        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
737        to always cumulate tile local-sum in the same order (still uses
738        MPI_Allreduce like standard code).
739      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
740        that are now identical to standard version (in eesupp/inc).
741    o pkg/shelfice:
742      - add SHELFICETransCoeffTFile for initializing spatially varying
743        heat and salt transfer coefficients
744    o pkg/atm_compon_interf & ocn_compon_interf:
745      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
746        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
747      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
748    o pkg/atm_ocn_coupler:
749      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
750    o pkg/rbcs:
751      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
752        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
753      - add a short report (to STDOUT) about RBCS-mask settings.
754    
755    checkpoint65p (2015/10/23)
756    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
757        there is no adjoint test for EVP, we don't know what it does to the adjoint
758        solution, but at least there are no more recomputation warnings left
759    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
760        a chance of giving the same results as a fully converged VP (JFNK) solver
761    o tools/adjoint_options/adjoint_diva:
762      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
763    o pkg/streamice:
764      - spotted bug in streamice_driving_stress using dyG where should have been dxG
765    o pkg/exf:
766      - remove STOP statement that prevented to use wind or (wind-)stress
767        interpolation for constant-in-time forcing fields (wind/stress period = 0).
768    o pkg/seaice:
769      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
770        5 additionals 2D fields and 6 new store directives
771      - change logic in seaice_readparms.F: EVP code can now be turned on in
772        various ways, setting SEAICE_deltaTev is no longer required,
773        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
774        or SEAICEaEVPcoeff
775    o pkg/shelfice/shelfice_thermodynamics.F
776      - redefining uLoc/vLoc to u/v, instead of 2u/v
777    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
778      - this is an intermediate state of a truely converging EVP that has
779        the potential of outperforming implicit VP methods, I do not recommend
780        using it yet.
781      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
782        and all parameters are hardwired
783      - for convergence it still requires very smooth regularisations, that means,
784        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
785        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
786        specific averaging appears to be required, still subject to tuning
787      - still needs cleaning and I need to turn parameter into runtime parameters
788      - add code to compute and print residuals of iteration, compile with
789        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
790    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
791      that entered with r1.54 on Sep04, 2015, -> update results
792    
793    checkpoint65o (2015/09/14)
794    o pkg/mom_vecinv & mom_common:
795      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
796        called from there.
797      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
798        allows to use Vector-Invariant form in deep atmos and anelastic formulation
799    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
800      and Koenig-Beatty+Holland (2012)
801      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
802      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
803      - requires an extra input argument for S/R seaice_calc_viscosities
804      - tensileStrength's depth dependence is different from Itkin et al. (2015)
805        (to be changed and played with, for now exponential)
806    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
807      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
808        by AREA according to Connelly et al. (2004), JPO.
809      - For EVP and the LSR solver, the implicit part of the drag term is
810        the only non-zero term in the denominator when there is no ice (which
811        prevented running the model with zero ice-ocean drag). If
812        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
813        (or zero main diagonals BU/BV) which need to be caught. A practical
814        consequence is that for open water, the momentum equation reduce
815        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
816        they happen to be zero, often leading to a non-zero solution over
817        open water.
818    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
819        efficient EVP method.
820      - introduce area-weighted averages for e12 (analogously to
821        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
822        remain, but also changing the order of terms in the previous average
823        changed the results as much) -> update experiment
824      - add SEAICE_DELTA_SMOOTHREG code
825      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
826        TEM-code
827      - adjust loop bounds so that only required fields are computed
828      - add new averaging code for zetaZ/deltaZ (again similar to
829        seaice_calc_viscosities.F), inactive by default for now (will change
830        results again), but will replace old code eventually
831    o eesupp/src:
832      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
833        to always cumulate tile local-sum in the same order
834        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
835        Still uses MPI_Allreduce (like standard code) but on array of tiles
836        and should be faster than GLOBAL_SUM_SEND_RECV code.
837      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
838        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
839      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
840         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
841         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
842         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
843         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
844    
845    checkpoint65n (2015/07/29)
846    o pkg/thsice:
847      - add a warning when used with pkg/aim but without updating SST
848        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
849    o pkg/offline:
850      - change where Offline-Fields are loaded, from load_fields_driver.F to
851        directly within FORWARD_STEP, just after updating iter number and time;
852      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
853        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
854       These changes allow:
855        a) to recover exactly on-line results using deltaToffline=deltaTClock,
856        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
857        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
858        time-step, both with GM & KPP files and with recomputing these fields;
859        b) no needs to switch on staggerTimeStep anymore;
860        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
861      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
862    o pkg/offline:
863      - change (rarely used) offset-iteration parameter to an offset time (in s):
864        can easily recover previous offset-iter effect by setting offset-time
865        (offlineTimeOffset) to offset-iter x deltaToffline;
866      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
867        in KPP as part of surface buoyancy forcing) in offline run.
868      - fix ptracers KPP non-local term in the case where KPP is re-computed.
869    o OpenAD
870      - Adding preliminary ggl90 test to OpenAD verification.
871        Config. with ggl90 currently diverges after 64 time steps
872        so will need more work to become more stable
873      - Adding preliminary kpp test to OpenAD verification.
874        required small tweakes in kpp_routines.F
875      - Merge and update from Krishna Narayanan's contrib area:
876        * Add one variable for preliminary OpenAD DIVA
877        * Add replacement time-stepping for OpenAD DIVA
878        * genmake2 flag -diva (but only for OpenAD; preliminary)
879        * required modifs for OAD_support
880        successful preliminary test for tutorial_global_oce_biogeo/
881    o pkg/seaice:
882      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
883      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
884        delta with a smooth function in s/r seaice_calc_viscosity
885        (no effect on EVP)
886      - rename local suffix "sqr" into "sq" for more consistent variable names
887    o pkg/seaice:
888        add new parameter SEAICE_deltaMin that is used ***only***
889        for regularizing Delta (and nothing else, like the parameter
890        which is also used for all sorts of things SEAICE_EPS).
891        Defaults to SEAICE_EPS for backward compatibility only.
892    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
893        the wrong key by inialising it before use -> fixes a recomputation
894        problem but does not fix the gradient
895    o pkg/layers:
896      - move resetting of flux arrays to outside the iLa loop
897        (this caused layers_diapycnal to not work with more than one layer coord.)
898      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
899    o pkg/layers:
900      - remove from common block 3D layers fields (used to diagnose transport
901        in tracer coords) and declare them as local arrays in layers_calc.F
902    o pkg/seaice:
903      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
904        in lab_sea forward experiment (changes results -> updated)
905      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
906    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
907       computations; for SEAICE_VECTORIZE_LSR
908      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
909        sweep to the outside,
910      - remove store directives and add "CADJ loop sequential" directives
911        in analogy to model/src/solve_tridiagonal.F
912      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
913        boundaries to yield more readable code. This has also the charming side
914        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
915        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
916        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
917        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
918        an additional option)
919       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
920       but the adjoint gradients (which are affected by this change) still explode.
921    o coupler (atm & ocn _compon_interf):
922      - avoid using Exch2 IO mapping if not suitable.
923    
924    checkpoint65m (2015/06/15)
925    o pkg/layers:
926      - clean-up old parameters setting (from Sep 2012):
927        + remove old parameters setting from common block (declared locally);
928        + stop if any old parameter is mixed with new parameters;
929        + check for valid or consistent parameter setting (e.g., layers_name)
930      - check that layers_bounds for Pot.Density are in the right range;
931        this is supposed to catch un-updated setting after recently shifting
932        potential density field "prho" by -1000 (now in "sigma" scale).
933    o pkg/layers:
934      - Added missing call to layers_fill for keeping track of tottend in
935        pkg/diagnostics/diagnostics_fill_state.F
936    o pkg/layers:
937      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
938        of diapycnal fluxes
939    o pkg/layers:
940      - reverted changes to interpolation to previous treatment; there
941        was never actually a problem
942    o pkg/layers:
943      - fix interpolation of layers tracers in the presence of partial cells
944      - add lots of new functionality to compute water mass transformation
945        (enabled by CPP flag LAYERS_THERMODYNAMICS)
946      - add new calls from main code (diags_oceanic_surf_flux.F,
947        thermodynamics.F, impldiff.F) and gad to save the necessary fields
948        for layers_thermodynamics calculations
949    o pkg/ptracers:
950      - add capability of stepping a passive tracer forward without advection
951        by setting PTRACERS_advScheme to 0.
952    o pkg/diagnostics:
953      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
954    o pkg/layers:
955      - shift potential density field "prho" by -1000 for density layer averaging so
956        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
957        Note that density bin boundaries (layers_bounds in data.layers) have
958        to be set accordingly (i.e., shifted, in sigma scale).
959    o pkg/layers:
960      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
961      - fix calculation of layer non-weighted velocity and layer probability
962      - add diagnostics for pot.density used for layer averaging
963    o pkg/seaice:
964      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
965        positiveness, modify a few comments and improve variable names,
966      - the changed computation of deltaC affects most seaice-related
967        experiments at the truncation level.
968        seaice_itd.thermo is affected by far the most, with
969        only 7 digits of agreement remaining; update experiments.
970    
971    checkpoint65l (2015/05/04)
972    o pkg/shelfice:
973      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
974        factor drKp1 to zero where it is negative (ie. do not use
975        SHELFICEBoundaryLayer if hFacC>1)
976      - the same for factor drLoc in shelfice_forcing.F
977    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
978        with modules in ptracers, when using testreport option "-small_f"
979    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
980      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
981    o verification/testreport
982      - add new option -small_f
983        with this option testreport first makes the target small_f (*.f files)
984        before running make (all). This is useful for explicit inlining when
985        all sources need to be full available.
986    o pkg/exf/exf_interp.F:
987        remove previous changes related to reverse (decreasing) input grids latitude
988    
989    checkpoint65k (2015/04/01)
990    o pkg/ecco:
991        fix missing cosphi initialization; use eccoiter in place of optimcycle;
992        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
993        instead of active read/write
994    o pkg/ctrl:
995        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
996        instead of active read/write.
997    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
998        return if .NOT.useAUTODIFF
999    o pkg/seaice: add CPP brackets (cost function related).
1000    o model/src:
1001        add useAUTODIFF run time switch.
1002    o pkg/exf/exf_interp.F:
1003        add code to allow input grids with latitude starting in the north (i.e. when
1004        j=1 corresponds to northern edge of field); modify global_with_exf to test
1005        this feature.
1006    o verification/testreport:
1007      - replace "grep -A3" with POSIX conformal sed command, because there are
1008        implementations of grep that cannot do contextual searches
1009      - replace "cat -n" by "nl" (two occurrences), because not all implementations
1010        of "cat" have the option "-n"
1011    o model/src:
1012        add new file gsw_teos10.F that contains 3 functions, more or less a copy
1013        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
1014        convert from conservative to potential temperature. For now they are not
1015        called anywhere.
1016    o pkg/ggl90: make "useIDEMIX" useful
1017      - re-organize code in s/r ggl90_calc a little to move computations that
1018        are different for idemix into separate loops (changes verification
1019        experiment idemix at truncation level, 12 digits remain -> updated)
1020      - requires 2 new 2D fields KappaM, verticalShear
1021      - make hFacI and recip_hFacI local 3D variables that are passed to
1022        s/r ggl90_idemix
1023      - fix and improve some comments
1024    
1025    checkpoint65j (2015/02/25)
1026    o pkg/openad
1027      - synchronize seawater.F with version in model/src: replace routine
1028        body of sw_temp by calling sw_ptmp and fix/add a few comments.
1029    o pkg/mnc:
1030      - change default value of pickup_read/write_mnc params to FALSE
1031        (since few features are missing in reading MNC pickup files).
1032    o model/src:
1033      - change default (background) vertical diffusivity for salt to be the
1034        temperature (background) vertical diffusivity.
1035      - change background vertical diffusivity in vertical mixing pkgs ggl90,
1036        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
1037        This makes ptracers default diffusivity (that uses salt diffKr) more
1038        consistent with vertical mixing schemes.
1039    o verification/testreport:
1040      - fix typo in "-pcls" option ;
1041      - put temp files in /tmp (instead of in local dir)
1042      - add option "-ncad" to use genmake2 new option "-nocat4ad"
1043      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
1044    o pkg/ggl90 (idemix code):
1045      - apply few fixes ; add some missing "_d 0" ; update output of exp.
1046        global_ocean.90x40x15.idemix
1047    o OpenAD
1048      - enable active file I/O and begin removal of work-around code
1049        for OpenAD for handling control variables (memory vs. active files)
1050      - new CPP options file OPENAD_OPTIONS.h
1051      - revert to genarr2d gradient check for hs94.1x64x5
1052      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
1053      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
1054    o tools/genmake2:
1055      - add option for an alternative Makefile (from Martin) where multiple
1056        source files are sent to TAF (instead of all in one file).
1057    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
1058      - code provided by Carsten Eden as an extension of ggl90
1059      - so far the code is turned on within ggl90 by setting a CPP-flag at
1060        compile time; a runtime flag implementation is not yet complete
1061      - tested in new verification experiment global_ocean.90x40x15.idemix
1062    o verification:
1063      - reduce length of the AD test run by half for experiments
1064        global_ocean.cs32x15 (std + thsice) and isomip
1065      - enable active file I/O for OpenAD, adjust verifications accordingly
1066      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
1067    o verification/testreport:
1068      - fix two non-POSIX sed statements so that there are no error messages
1069        on Mac OS X
1070      - replace hostname -s with hostname | sed 's/\..*$//'
1071    o model/src/seawater.F:
1072      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
1073        (following the matlab code), which would have avoided the bug caught
1074        by Matt (see below) in the first place
1075    o pkg/shelfice:
1076      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
1077        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
1078      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
1079        ice-shelf case (i.e., within surface level).
1080      - add config summary in shelfice_check.F
1081      - remove global variable recip_SHELFICElatentHeat and replace by a local
1082        variable recip_latentHeat
1083      - introduce diagnostics for friction velocity uStar (in case of
1084        SHELFICEuseGammaFrict)
1085      - change verification experiment isomip.htd:
1086        + start from pickup (as input_ad at nIter0=8640)
1087        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
1088        + test SHELFICEuseGammaFrict = .TRUE.
1089        + test SHELFICEadvDiffHeatFlux = .TRUE.
1090    o model/src:
1091      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
1092        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
1093        update output of experiments global_with_exf.yearly and isomip (all 6).
1094    o pkg/shelfice:
1095      - change setting of kTopC to also be zero where there is no ice-shelf.
1096      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
1097        ice-shelf is.
1098      - first attempt to get RealFreshWaterFlux effects: for now, only without
1099        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
1100    o pkg/seaice: add the option to prescribe a fixed thickness PDF
1101      for thermodynamic calculations
1102      - because of divisions of the type 7/7 not exactly equal to 1, this change
1103        affects results of some verification experiments by up to 4 digits:
1104        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
1105        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
1106        adjoint: lab_sea, lab_sea.noseaicedyn
1107        -> updated
1108    
1109    checkpoint65i (2015/01/23)
1110    o model/src:
1111      - change units of frictionHeating field from W to W/m^2
1112      - fix bug in frictional heating from stratospheric drag in
1113        S/R ATM_PHYS_TENDENCY_APPLY_V
1114      - with synchronous time-stepping: move resetting to zero of frictionHeating
1115        field from load_fields_driver.F to thermodynamics.F ;
1116      - add diagnostics for frictional heating.
1117    o model/src & gmredi K3D:
1118      - add frictionHeating field to pickup-files (for synchronous time-stepping)
1119      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
1120      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
1121        and name in pickup file).
1122      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
1123    o model/src:
1124      - move (from ini_forcing.F) initialisation of all arrays in header file
1125        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
1126        (since Nov 2012) with option selectAddFluid=1.
1127    o pkg/shelfice:
1128      - change units (+ document) of newly added field "shelfIceMassDynTendency"
1129      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
1130    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
1131    o pkg/seaice: two new runtime parameters:
1132      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
1133        long overdue
1134      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
1135        parameterization of tensil stress for fast ice (does not do anything yet)
1136    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
1137        for LSR: move checking overlaps out of JFNK-if-block
1138    o pkg/atm_phys:
1139      - move copy of grid and dynamical fields out of atm_phys_driver.F into
1140        new S/R ATM_PHYS_DYN2PHYS.
1141      - fix level height for Linear Free-Surf case (to be consistent with
1142        fixed-in-time pressure levels).
1143    o pkg/mom_common (bottomdrag):
1144      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
1145        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
1146        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
1147    o pkg/shelfice (u/v_drag):
1148      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
1149      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
1150        (now similar to shelfice_u_drag.F)
1151      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
1152        from mom_vecinv.F (similar to mom_fluxform calls).
1153    o pkg/mom_common (bottomdrag):
1154      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
1155      - add options for alternative discretisation of velocity norm in quadratic
1156        bottom drag: averaging of grid-cell-center KE to U.point and V.point
1157        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
1158        improves when averaging only the other component (e.g. vVel for U bottom
1159        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
1160      - add options (bottomVisc_pCell) to account for partial-cell in bottom
1161        friction (no-slip BC) thus getting the true distance from the bottom;
1162        off by default since this also reduces model stability (explicit bottom
1163        friction). Changes produce different machine truncation with linear-drag
1164        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
1165        front_relax (bvp & mxl, 10 & 11 digits).
1166    o model/src & mom pkgs:
1167      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
1168        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
1169      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
1170        just copy level Nr value to level Nr+1.
1171    o doc:
1172      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
1173    o pkg/shelfice:
1174      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
1175        SHELFICE.h: move array shelficemass to init_varia, initialise
1176        from array shelficemassinit, which is set in init_fixed and
1177        has option to be set from file; introduce array
1178        shelficeMassDynTend array, set thru file in init_fixed
1179      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
1180        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
1181        pkg/streamice
1182      - shelfice_thermodynamics.F: call shelfice_step_icemass if
1183        SHELFICEMassStepping = .true.
1184      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
1185    
1186    checkpoint65h (2014/12/17)
1187    o verification/global_ocean.90x40x15, global_ocean_ebm:
1188      - update to generic controls.
1189    o pkg/ctrl:
1190      - ctrl_map_ini_genarr.F: test for igen>0
1191      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
1192      - move gentim2d part of ctrl_map_ini_genarr.F to
1193        new separate routine : ctrl_map_ini_gentim2d.F
1194      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
1195        add time variable weights and cyclic controls (time mean,
1196        seasonal cycle, etc) capabilities to gentim2d
1197    o pkg/ecco:
1198      - move reading of error, conversion to weights from
1199        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
1200    o global_oce_llc90, cs32:
1201      - activte sbo.
1202      - CTRL_SIZE.h : add maxCtrlProc.
1203      - activate the new genctrl capabilities.
1204      - update following reorganization of global_oce_input_fields.tar.gz  
1205    o pkg/ctrl/ctrl_ad_diff.list:
1206      - add missing ctrl_init_rec.f
1207    o tools/OAD_support/keepOriginal:
1208      - add ctrl_init_rec.F
1209    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
1210      - avoid recomputations of xx_gentim2d_dummy.
1211    o momentum diagnostics:
1212      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
1213        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
1214    o pkg/seaice/seaice_lsr.F:
1215      - fix computation of BU/BV, make sure they are non-zero, only necessary
1216        for cubed sphere exchanges and SEAICE_OLx/y>0.
1217        This makes calling s/r fill_cs_corner_rl obsolete (removed).
1218    o verification/global_ocean.cs32x15/input.seaice
1219      - add test for strong implicit coupling and restricted addtive Schwarz
1220        methods for LSR
1221      - update results/output.seaice.txt
1222    o verification/tutorial_global_oce_biogeo:
1223      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
1224        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
1225        update output_adm,_oadm,_tlm.txt
1226    o pkg/dic:
1227      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
1228      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
1229        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
1230    o verification/tutorial_global_oce_biogeo:
1231      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
1232        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
1233        update output_adm,_oadm,_tlm.txt
1234    o eesupp/src:
1235      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
1236        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
1237    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
1238      LSR (following Hutchings et al. 2004)
1239      - introduce zetaZ as a global variable (requires adjustments in
1240        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
1241        in seaice_calc_viscosities.F
1242      - new flag SEAICEuseStrImpCpl (default off)
1243      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
1244        momentum equations
1245      - JFNK-solver (preconditioner) adjusted to allow using this method
1246        (where it does not have any positive effect)
1247    o pkg/seaice
1248      - add overlap for restrictive additive Schwartz method also to LSR, but
1249        turn it off by default (because it only seems to work for non-cubed
1250        sphere/llc topologies)
1251    o pkg/autodiff
1252      - add extra exchanges in addummy_in_steppging also for mnc output
1253    o pkg/seaice:
1254      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
1255        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
1256    o pkg/obcs:
1257      - add option to specify domain-connected piece Id along OB though files
1258        (for now, only used to diagnose PhiVel; default =1 -> global correction)
1259      - modify obcs_diag_balance.F to process each connected-part separately;
1260        exclude OB where Id = 0 but keep the full divergence there (-> constant
1261        Psi along this portion of OB and all inflow derived from grad(Phi))
1262      - add example of OB-conect files in verification/so_box_biogeo/input.
1263    o pkg/diagnostics:
1264      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
1265      a) use non zero matrix element across OB and solve for Phi 1 grid point
1266         outside OB (i.e, where tracer OBCS are applied).
1267      b) global imbalance of inFlow/outFlow across OB: instead of modifying
1268         velocity across OB, spread it uniformly along the OB in the RHS.
1269    
1270    checkpoint65g (2014/11/19)
1271    o pkg/diagnostcis:
1272      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
1273    o pkg/my82,pp81,kl10:
1274      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
1275        field diffKr as background diffusivity to set minimum diffusivity value.
1276    o pkg/seaice:
1277      - add new parameter SEAICEuseEVPrev (for revisited EVP by
1278        Bouillon et al 2013)
1279      - add SEAICE_evpAlpha/Beta to namelist
1280      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
1281        involve trivial re-ordering of divisions/multiplications that should not
1282        have any effects, but ... they do change the results of lab_sea.hb87 so
1283        that only 2 digits of agreement remain, in line with the general
1284        instability/fragility of the evp-code. For now, I do not care and just
1285        update the verification experiment
1286    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
1287      - remove xx_genarr2d_numsmooth etc
1288      - use xx_genarr2d_preproc etc instead
1289      - carry out smooth_correl2D at initialization stage rather than during
1290        time stepping.
1291      - get smoothOpNb from xx_gentim2d_preproc
1292    o global_oce_cs32 :
1293      - add test of generic ecco capabilities.
1294    o pkg/exf/exf_getsurfacefluxes.F :
1295      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
1296    o pkg/ctrl,ecco :
1297      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
1298        is defined.
1299    o pkg/seaice: add diagnostics for Delta (deformation parameter)
1300    o model/src:
1301      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
1302        diffusivity (background) is specified but ignored.
1303    o verification:
1304      - in testreport, convert hostname to lower case for default output dir name
1305    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
1306    o pkg/dic: add modifications from Hajoon:
1307      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
1308      - light attenuation: add self-shading effect by climatological Chlorophyll
1309        (read from file).
1310    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
1311        compiles when SEAICE_ALLOW_DYNAMICS is undefined
1312    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
1313        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
1314        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
1315        approach where CPP_OPTIONS.h includes an omnipotent
1316        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
1317    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
1318        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
1319  o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF  o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
1320    to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included      to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
1321    (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)      (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
1322  o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :  o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
1323    add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed    add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
1324    - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h    - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
1325    - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h    - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
1326    - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc    - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
1327  o pkg/ctrl,ecco,exf :  o pkg/ctrl,ecco,exf :
1328    - remove variables associated with NON-generic costs,    - remove variables associated with NON-generic costs,
1329      unless ECCO_CTRL_DEPRECATED is defined.      unless ECCO_CTRL_DEPRECATED is defined.
1330    - remove NON-generic NON-obcs controls,    - remove NON-generic NON-obcs controls,
1331      unless ECCO_CTRL_DEPRECATED is defined.      unless ECCO_CTRL_DEPRECATED is defined.
1332  o pkg/ctrl : added ctrl_local_params.h  o pkg/ctrl : added ctrl_local_params.h
1333  o pkg/ecco : added ecco_local_params.h  o pkg/ecco : added ecco_local_params.h
1334  o verification : added ECCO_CTRL_DEPRECATED to most as and oad  o verification : added ECCO_CTRL_DEPRECATED to most as and oad
1335    experiments, which will progressively be removed once the      experiments, which will progressively be removed once the
1336    experiments are revised to use only generic controls/costs.      experiments are revised to use only generic controls/costs.
1337    
1338  checkpoint65f (2014/10/13)  checkpoint65f (2014/10/13)
1339  o pkg/ctrl, ecco, seaice : minor changes in headers  o pkg/ctrl, ecco, seaice : minor changes in headers
1340  o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic  o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
1341    cost function and control capabilities added since checkpoint65c.      cost function and control capabilities added since checkpoint65c.
1342  o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.  o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
1343  o pkg/ecco: increase modularity and improve logic  o pkg/ecco: increase modularity and improve logic
1344    - ecco_toolbox.F (new) : basic operations that are often used,    - ecco_toolbox.F (new) : basic operations that are often used,
# Line 393  o pkg/seaice: more clean up Line 1698  o pkg/seaice: more clean up
1698      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
1699      this experiment):      this experiment):
1700      > size mitgcmuv_ad      > size mitgcmuv_ad
1701      text    data        bss     dec        hex        text    data        bss     dec        hex
1702      5100659 1216  220458952  225560827  d71c8fb      5100659 1216  220458952  225560827  d71c8fb
1703      5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)      5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
1704      but only a moderate increase of 36% for global_ocean.cs32x15:      but only a moderate increase of 36% for global_ocean.cs32x15:
1705      text    data        bss     dec        hex      text    data        bss     dec        hex

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