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revision 1.2085 by gforget, Tue Oct 21 14:22:26 2014 UTC revision 1.2345 by mlosch, Tue Aug 8 15:43:14 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 eesupp/src/eeset_parms.F:
8    AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than    - change default for opening scratch files to avoid STATUS='SCRATCH'
9    ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,    - close scratch files with STATUS='DELELTE'
10    approach where CPP_OPTIONS.h includes an omnipotent    - you can revert to old default by setting USE_FORTRAN_SCRATCH_FILES
11    ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').      in CPP_EEOPTIONS.h (tested in lab_sea/code_ad)
12  o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where  o pkg/atm_phys:
13    ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.    - fix unset arguments in (unused) S/R surface_flux_0d.
14    o eesupp/src:
15      - add argument "procId" to S/R EESET_PARMS to fix  scratchFile1 & 2 setting
16        (case TARGET_BGL or TARGET_CRAYXT) for early call (from eeboot_minimal.F):
17        called with myProcId in eeboot.F and with mpiMyWId in eeboot_minimal.F
18    o pkg/streamice:
19      - remove blank between _EXCH_XY_RL and "()", which my Apple Xcode
20        preprocessor /usr/bin/cpp cannot interpret; 3 instances in total in
21        streamice_driving_stress_fd.F and streamice_advect_2dtracer.F
22    o pkg/diagnostics:
23      - new option to allow to cumulate thickness-factor (hFac) weighted field
24        (if field permitted); implemented by changing sign of "jdiag" pointer
25        (> 0: cumlulate field, < 0: cumulate hFac weighted field).
26        a) restricted to 3-d (Nr levels), level centered diagnostics at U,V or Cell
27           center position (gcode(2)='U','V','M' & gcode(3,5,9:10)='R',' ','MR')
28        b) for now, activated by setting fileFlags 3rd character to 'h'.
29    
30    checkpoint66i (2017/07/18)
31    o pkg/cheapaml:
32      - add parameter "useRelativeWind", default set to False; this change the
33        previous setting which was always using relative wind.
34    o add hooks for the Parallel Data Assimilation Framework PDAF
35        (http://pdaf.awi.de/) in eeboot_minimal.F and the_main_loop.F;
36        to use set CPP-flag USE_PDAF in CPP_EEOPTIONS.h
37    o pkg/exf:
38      - interpolation of vector fields (exf_interp_uv.F): fix bug in calculation
39        of South-Pole mean value.  
40      - interpolation near the poles, case where second additional row is at the
41        pole (or beyond the pole and moved to the pole): change first addition row
42        value to a linear interpolation between pole and 1rst (S.pole)/last (N.pole)
43        row (instead of just a copy of it).
44    o pkg/seaice:
45      - prevent JFNK and KRYLOV solvers from trying to reduce a residual of 0
46      - add the option to compute no-slip du/dy, dv/dx (i.e.
47        the offdiagonal strain rate e12) by a second order approximation
48        on the boundary; works only with JFNK, KRYLOV, or EVP solvers, because
49        it is too messy to implement for the implicit LSR matrix.
50        SEAICE_2ndOrderBC = .FALSE. by default
51    
52    checkpoint66h (2017/06/02)
53    o pkg/seaice:
54      - add new routines to compute stress tensor components and stress tensor
55        divergence to be reused in s/r seaice_lsr and s/r seaice_calc_lhs
56      - change names of diagnostics SIsigI/II (commonly used for invariants)
57        to SIsig1/sig2 (more common for principal components) to avoid confusion
58    o pkf/exf:
59      - add a stop if useRelativeWind with un-updated uwind/vwind (e.g., constant);
60        similarly, stop if rotateStressOnAgrid with constant wind-stress.
61    o pkg/seaice:
62      - remove (comment out) diagnostics SIuwind,SIvwind,SIfu,SIfv (duplicate of
63        EXFuwind,EXFvwind,oceTAUX,oceTAUY) and point them to their equivalent.
64      - add diagnostics of wind-stress over seaice (SItaux,SItauy) and seaice
65        fraction weighted wind stress over ocean+seaice (SIatmTx,SIatmTy).
66    o pkg/diagnostics:
67      - small piece of code to rename (old) diagnostics, when namelist is processed.
68    o model/src:
69      - new run-time param (useMin4hFacEdges) to select method for setting hFacW,S:
70        originally, set as minimum of adjacent hFacC factor ; now (new default)
71        computed from rSurfW,S and rLowW,S by applying same rules as for hFacC.
72        Only matters when useShelfIce=T with particular ice-shelf cavity geometry.
73    o pkg/seaice:
74      - add momemtum advection, off by default, still in test phase
75        most of the momentum advection code is adapted and reused from mom_vecinv
76    o pkg/mom_vecinv:
77      - pass these runtime flags:
78        selectVortScheme, highOrderVorticity, upwindVorticity, useJamartMomAdv
79        as formal parameters to s/r mom_vi_u/v_coriolis, mom_vi_u/v_coriolis_c4,
80        so that these routines can also be used in pkg/seaice.
81    
82    checkpoint66g (2017/04/24)
83    o model/src:
84      - more robust ordering of column thickness integral (=Sum_k(drF*hFac) )
85        to get same expression (regarding machine truncation) in different places
86        in ini_masks_etc.F (e.g., rSurfC,W,S is now exactly zero when it should).
87        Update forward output of experiments: global_ocean.cs32x15 (all 5 except
88        viscA4), isomip (x3), tutorial_global_oce_in_p & tutorial_plume_on_slope.
89    o pkg/shelfice:
90      - ALLOW_SHIFWFLX_CONTROL: move setting of maskSHI from shelfice_update_masks.F
91        to shelfice_init_fixed.F
92      - change S/R SHELFICE_UPDATE_MASKS to SHELFICE_INIT_DEPTHS (still called from
93        ini_masks_etc.F for now) to update ocean upper boundary position according
94        to ice-shelf topography (instead of directly updating hFacC).
95    o model/src:
96      - move call to CTRL_INIT & CTRL_ADMTLM from the middle to the bottom of
97        packages_init_fixed.F to allow other pkgs to set mask and weight fields.
98    
99    checkpoint66f (2017/04/06)
100    o model/src:
101      - add specific run-time param to select level of printed plot-field-maps,
102        set by default to debugLevel. Remove internal param "printDomain".
103    o pkg/seaice:
104      - add flag to add snow mass to seaiceMassC/U/V, the default is
105        SEAICEaddSnowMass=.FALSE., not to change previous results
106    o pkg/bling
107      - Bug fix in bling_production regarding unit conversion for diagnostics
108        being put in the wrong place
109    o model/src:
110      - add back recomputation of rSurfW & S to ensure consistent column thickness
111        (needed for rStar) between Sum_k(hFac*drF) and rSurf-rLow, for now only
112        when using pkg/shelfice; was initially added on 2012/06/01 (ini_masks_etc.F
113        revision 1.51) but was removed accidentally on 2014/02/08 (v1.53).
114    o pkg/autodiff:
115      - clean-up "checkpoint.flow"
116    o pkg/rw (Contribution from Jody Klymak):
117        option to set mds file suffix as function of time in simulation:
118        *) new input parameter "rwSuffixType" (read from PARM03 namelist)
119           to select file suffix format; by default (=0), use iteration number;
120        *) add simple routine to return file suffix according to rwSuffixType;
121        *) in model/src and in most pkgs (except: atm2d, fizhi, regrid & streamice),
122           use new S/R to get file suffix, except for debug output file (diagFreq)
123           and pkgs offline & rbcs input files.
124    o pkg/rw:
125      - uniform processing of "I10" suffix across writing fld routines; used to
126        simplify debug writing of cg2/3d_b/x in solve_for_pressure.F & post_cg3d.F
127        (similar to cg3d.F, cg3d_ex0.F)
128    o pkg/mom_vecinv:
129      - highOrderVorticity in selectVortScheme=2 case: fix c4 coeff in splitted
130        vorticity flux (keep same sum in case vBarXm=vBaXp, uBarYm=uBarYp).
131    o pkg/bling:
132      - Many small changes intended to clean the code.
133        Unnecessary ADJOINT_SAFEs removed ;
134        removed BLING_COST.h BLING_CTRL.h bling_cost.F ;
135        diagnostics added.
136    
137    checkpoint66e (2017/03/14)
138    o pkg/exf:
139      - interpolation with #undef EXF_INTERP_USE_DYNALLOC: move buffer size
140        definition outside EXF_PARAM.h in new header file: EXF_INTERP_SIZE.h;
141        use fixed size buffer (passed to S/R EXF_INTERP & EXF_INTERP_UV) to
142        avoid any dynamic allocation ;
143      - S/R EXF_CHECK: add new check & stop when file-name is defined but not
144        read-in ; add warning when file is read-in but not used within pkg/exf ;
145        + check for buffer-size (if #undef EXF_INTERP_USE_DYNALLOC).
146      - update exf_summary.F (print {FLD}RepCycle).
147    o verification/global_with_exf:
148      - switch on exf interpolation in AD test (just like the forward test)
149    o pkg/mom_vecinv:
150      - add storage directives to avoid recomputations within mom_vecinv.F
151        which were generating seg. fault with gfortran -devel
152    o pkg/ctrl, pkg/smooth:
153      - initialize array halos which were generating seg. fault with
154        gfortran -devel in adjoint mode
155    o pkg/exf:
156      - for each input field, enable to specify a field specific repeat-cycle
157        ({FLD}RepCycle) which defaults to pkg/exf main "repeatPeriod".
158    o verification/lab_sea:
159      - update AD results of primary test and noseaicedyn test after switching
160        to new version of TAF (5.3.13 vs 5.3.2 before); agreement with gradient
161        check stays about the same.
162    o pkg/exf:
163      - fix bug in exf_zenithangle.F for cases select_ZenAlbedo > 0 with useCAL=T.
164      - exf_check: MAX_LAT_INC need only be "loc_nlat-1", not equal to loc_nlat
165    o pkg/bling, USE_EXFCO2 code:
166      - add parameter "apco2RepCycle" (set to pkg/exf "repeatPeriod" by default);
167      - update calls to EXF S/R (use new version: EXF_INIT_FLD & EXF_SET_FLD).
168    o pkg/exf:
169      - rename S/R EXF_INIT to EXF_INIT_VARIA ;
170      - add arguments: fldName (for debug msg) and fldRepeatCycle (set to
171        repeatPeriod) to S/R EXF_SET_UV and to S/R EXF_SET_GEN (renamed EXF_SET_FLD)
172        and update calls in pkg/exf calling S/R (exf_getffields.F & exf_getclim.F) ;
173      - add argument: fldName (for debug msg) to S/R EXF_INIT_GEN (renamed
174        EXF_INIT_FLD) and update calls in exf_init_varia.F
175      - For now, for backward compatibility, keep a simplified version of S/Rs
176        EXF_SET_GEN & EXF_INIT_GEN in file exf_set_gen.F
177      - add and pass new arguments: fldName (for debug msg) and fldRepeatCycle
178        to S/R EXF_GetFFieldRec ; update calls in pkg/obcs/obcs_exf_load.F
179    o tools/genmake2:
180      - replace "bc -l" (only used once) by "expr" (already used).
181    o verification/global_ocean.cs32x15:
182      - turn off pkg/cal (useCAL=F) in secondary FWD exp. "icedyn".
183        Note: exf setting (data.exf) can be compared to other exf secondary exp
184        "seaice" (kept with useCAL=T) which has same time dependent forcing.
185    
186    checkpoint66d (2017/02/13)
187    o pkg/exf:
188      - remove setting of useCAL=T when using pkg/exf (useEXF=T); add warning
189        early on (in packages_boot.F) to stress this change in pkg setting.
190      - In (most) verification exp. that use pkg/exf, add useCAL=.TRUE. to data.pkg
191    o model/src:
192      - move call to ecco_phys to end of time step; this may induce minor
193        cost function changes by shifting time averages by one time step
194        for some variables; this revision resulted in changed adjoint results
195        in MITgcm_contrib/verification_other/global_oce_cs32
196    o pkg/exf:
197      - Change EXF_READ_EVAP to only activate code within #ifdef ALLOW_ATM_TEMP ;
198        this prevents to read evap when ALLOW_ATM_TEMP is undef and other fields,
199        e.g. precip, are not available.
200    o pkg/flt:
201      - flt_init_varia.F: use pickupSuff if specified
202      - add code (within #ifdef DEVEL_FLT_EXCH2) and test case as a first,
203        intermediate, step towards completing pkg/exch2 support within pkg/flt;
204        ifdef DEVEL_FLT_EXCH2 then:
205        - flt_init_fixed.F: comment out stop
206        - flt_exch2.F: conserve ipart, jpart (grid coordinates)
207        - exch2_recv_get_vec.F: transform ipart, jpart (grid coordinates)
208        - flt_mapping.F: attempt to fix longitude diagnostic near date-line
209        - flt_init_varia.F: hack initialization (for testing purposes w. LLC90)
210    o tools/genmake2 & pkg/pkg_depend:
211      - define new type of pkg dependency rule ("=pkg_x"), less strict than
212        the "+" rule, that add the dependent pkg (pkg_x) unless it's disabled
213        (-pkg_x in packages.conf).
214      - change pkg/exf dependency rule from "exf +cal" to "exf =cal";
215      - add "+cal" to dependency list of pkg/ecco (needed to compile).
216      - simplify FWD experiment "offline_exf_seaice" by removing pkg/cal.
217    o utils/matlab:
218      - adding ocean_basin routines for defining basin masks.
219    o pkg/exf:
220      - new S/R EXF_GETFFIELD_START replacing EXF_GETFIELD_START, but with more
221        arguments, allowing to check (and stop) if parameter setting of
222         {FLD}startdate1 & date2 and of {FLD}StartTime are consistent with
223        useCAL= T or F. For now, kept a simplified version of EXF_GETFIELD_START
224        for backward compatibility.
225      - change accordingly calls in exf_init_fixed.F + default {FLD}StartTime in
226        exf_readparms.F ; apply same changes to pkg/icefront (for SGRunOff field).
227    o pkg/bling (USE_EXFCO2 code):
228      - fix missing setting of apco2StartTime according to apco2startdate1 & date2
229        by adding a call to S/R EXF_GETFFIELD_START.
230    o pkg/exf:
231      - allows to compile without pkg/cal (but disabled by current dependency
232        rules, i.e., default "pkg/pkg_depend"). Minimal changes to enable to
233        run with useCAL=F ; this involves setting directly {FLD}StartTime instead
234        of {FLD}startdate1 & date2 ; consistency check not yet coded.
235    o verification/global_ocean.cs32x15:
236      - fix all data.exf for a shift of 1 day in all field startdate1 so that it now
237        corresponds to middle of 1rst month; update outputs (2 fwd + 3 adm + 3 tlm).
238    o pkg/exf:
239      - allow to use EXF_ZENITHANGLE without pkg/cal + simplify (saving some
240        calculations); change FWD experiment global_ocean.cs32x15
241        (#define ALLOW_ZENITHANGLE) to test/check that this code compiles.
242    o pkg/exf:
243      - In preparation for addition to NAMELIST, rename internal (_RL) parameter
244         {FIELD}startdate to {FIELD}StartTime
245        Note: new name also fit better the content, i.e, a start time in second.
246    o eesupp/src:
247      - add 1 argument to S/R EEBOOT & EEBOOT_MINIMAL for interface with ESMF
248    o pkg/exf:
249      - add option ALLOW_READ_TURBFLUXES (and corresponding set of parameters)
250        to allow to read-in Sensible & Latent Heat flux ;
251      - simplify pkg/exf main options:
252        1) move small piece of code (case ALLOW_ATM_TEMP undef) out of
253           exf_bulkformulae.F into exf_wind.F so that exf_bulkformulae.F is
254           compiled only when both ALLOW_ATM_TEMP & ALLOW_BULKFORMULAE are defined;
255        2) make call to EXF_RADIATION and to EXF_WIND independent of CPP option
256           ALLOW_BULKFORMULAE which now only applies to S/R EXF_BULKFORMULAE ;
257        3) improve options documentation in EXF_OPTIONS.h.
258    o pkg/ecco:
259      - cost_gencost_customize.F,ecco.h,ecco_phys.F,ecco_readparms.F, and
260        ecco_summary.F: add passive tracer cost functions to gencost;
261        m_ptracer and m_boxmean_ptracer
262    o pkg/ctrl:
263      - ctrl_map_forcing.F: pass myIter and myTime to ctrl_map_forcing as input
264        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing; add to list
265        of implemented gentim2d contol parameters: xx_qnet, xx_empmr, xx_qsw,
266        xx_sst, xx_sss, xx_pload, xx_saltflux, xx_fu, xx_fv, xx_fe, xx_fn
267    o model/src:
268      - forward_step.F: pass myIter and myTime to ctrl_map_forcing as input
269        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing
270    o pkg/exf:
271      - exf_getffields.F: add to list of implemented gentim2d contol parameters:
272        xx_lwflux, xx_swflux, xx_evap, xx_apressure, xx_areamask
273    
274    checkpoint66c (2017/01/19)
275    o verification:
276      - add new option "-src" to testreport to only produce source code (*.f),
277        including taf output src code (if using '-adm'/'-tlm' option).
278    o pkg/exf:
279      - add saltflx :: Net upward salt flux in psu.kg/m^2/s
280    o pkg/diagnostics:
281      - add run-time variable diagMdsDir to specify a subdirectory for
282        diagnostic output when mds is being used and mdsioLocalDir is not.
283    o pkg/mnc:
284      - mnc_utils.F: edit stop message
285    o pkg/autodiff:
286      - autodiff_ini_model_io.F: PRINT_MESSAGE, clean-up comments, add _*_MASTER,
287        add HAVE_SYSTEM bracket around system call to mkdir
288    o pkg/profiles:
289      - profiles_findunit.F, profiles_init_fixed.F, profiles_interp.F,
290        profiles_readparms.F: call ALL_PROC_DIE before 'stop'
291      - profiles_ini_io.F: use PRINT_MESSAGE, clean-up comments, add _*_MASTER,
292        add HAVE_SYSTEM bracket around system call to mkdir
293    o pkg/smooth:
294      - smooth_filtervar2d.F, smooth_filtervar3d.F: call ALL_PROC_DIE before 'stop'
295      - smooth_init2d.F, smooth_init3d.F: move print statements to readparms
296      - smooth_readparms.F: add cleaner print statements from smooth_init?d.F
297    o pkg/exf:
298      - check: count errors and stop cleanly at the end (call to ALL_PROC_DIE);
299        issue error message when climsst_interpMethod.GT.0 and climsst_lon_inc > 500
300        generalize tests on interpMethod, nlat, and lon_inc to all exf variables.
301      - summary: skip detailed field report if not used (empty file-name).
302    o tools/xmakedepend:
303      - In case line editor "ed" is missing, switch to "sed" command to clean-up
304        Makefile from previous dependencies (anything after "# DO NOT DELETE" line).
305    o pkg/exf:
306      - change definition of "hflux" input file to always include Short-Wave;
307        this is now consistent with hflux computation (if using bulk-formulae)
308        and hflux diagnostic & documentation (in EXF_FIELDS.h).
309    
310    checkpoint66b (2016/12/01)
311    o model & momentum pkgs:
312      - implement fully implicit bottom friction combined with implicit surf.
313        pressure, for now, only in hydrostic formulation:
314        + to use: compile with #define ALLOW_SOLVE4_PS_AND_DRAG in CPP_OPTIONS.h
315          and run with selectImplicitDrag=2 ;
316        + currently missing diagnostics of bottom drag and vert. viscosity tendency;
317      - partial implicit time-stepping (bot. friction + vert. visc first, then
318        surf. press) corresponding to selectImplicitDrag=1 should be applicable
319        to NH formulation but not available until we solve for surf. pressure
320        increment (instead of full etaN).
321      - change exp. global_ocean.cs32x15.thsice to test implicit bottom drag
322        with implicit vertical viscosity.
323    o pkg/seaice: add linear remapping scheme (Lipscomb 2001) to ITD model
324      - this is a first version that includes many regularisations that may
325        not all be necessary, to be sorted out,
326      - turned on by runtime parameter SEAICEuseLinRemapITD (true by default)
327      - change one verification experiment in seaice_itd to use and test new code
328      - seaice_growth: catch a case where the argument of log can be zero
329        or smaller (important for code stability)
330    o model/src:
331      - modify SOLVE_DIAGONAL_LOWMEMORY version of solve_tridiagonal.F
332        & solve_pentadiagonal.F to enable to re-used inverse matrix for solving
333        similar A.X'=Y' system (with same matrix A) in subsequent calls;
334        switch based on errCode (In/Out) argument value; in calling routines,
335        initialise errCode before first call.
336    
337    checkpoint66a (2016/10/18)
338    o pkg/bling:
339      - BLING package now loads in atmospheric pCO2 file using exf package routines
340        Enable with #define USE_EXFCO2 in BLING_OPTIONS.h
341    o model/src & pkg/ptracers:
342      - with INCLUDE_IMPLVERTADV_CODE defined, also call MOM_U,V_IMPLICIT_R &
343        GAD_IMPLICIT_R (instead of IMPLDIFF) when just implicitViscosity and
344        implicitDiffusion (respectively) are used (even without momImplVertAdv
345        or temp,salt,PTRACERS_ImplVertAdv).
346    o model/src & generic_advdiff:
347      - add parenthesis in main diagonal calculation of implicit vertical
348        diffusion matrix (impldiff.F & gad_implicit_r.F).
349        This affects results at machine truncation level; update output of many
350        verification experiments (31 fwd ; 10 adm ; 8 tlm ; 3 oad).
351    o pkg/mom_commom & generic_advdiff:
352      - add deep atmosphere and anelastic scaling factor in implicit vertical
353        advection routines (mom_u,v_implicit_r.F & gad*_impl*_r.F).
354    o model/src:
355      - remove few unnecessary temp array copies in solve_tridiagonal.F
356        & solve_pentadiagonal.F
357    
358    checkpoint65z (2016/09/28)
359    o pkg/seaice: fix multithreading for seaice_fgmres.F
360      - remove unecessary variables from common blocks
361      - use extra dimension MAX_NO_THREADS for all variables of the Krylov space
362        basis, that are stored in commom blocks (including integer variable i1)
363      - clean up code a little by removing commented lines that refer to
364        original code
365      - turn on multi-threaded test for experiment offline_exf_seaice.dyn_jfnk.
366    o MITgcm manual:
367      - add uptodate pkg/ecco documentation to the manual (section 8.1; ecco.tex),
368        preliminary documentation for generic controls (8.3; ctrl.tex),
369        a placeholder for smooth (8.4; smooth.tex), and comment out the deprecated
370        ecco_costfunction.tex
371    o pkg/ecco:
372      - update and cleanup list of CCP options
373      - re-assign gencost_mask to specify masks rather than gencost_errfile; 'c'
374        is now always passed to cost_generic; gencost_mask is now MAX_LEN_FNAM
375      - add checks that retired run-time options are not used, and in relation
376        to gencost_mask and gencost_errfile
377      - finish deprecating gencost_scalefile, gencost_smooth2Ddiffnbt, and
378        gencost_nrecperiod
379      - fix m_eta computation for virtual salt flux case
380      - add m_horflux_vol case (selected via gencost_barfile) that computes
381        transports via cost_gencost_boxmean (gencost_flag=-3)
382      - use gencost_flag more systematically (i.e., avoid using gencost_name)
383        for code switches (aside from physical variable selection)
384    o pkg/seaice: make seaice_fgmres.F fit for multithreading; this first
385      attempt appears to be a bit of a hack and my need some repair down the road
386    o pkg/exf:
387      - interpolation near South Pole: fix criteria on input field latitude.
388    o pkg/icefront & pkg/exf:
389      - move setting of icefront Sub-Glacial RunOff forcing (currently unused)
390        from pkg/exf (read from data.exf) to pkg/icefront (read from data.icefront)
391    o pkg/exf:
392      - replace CPP option ALLOW_EXF_OUTPUT_INTERP with run-time parameter
393        "exf_output_interp" (in namelist: EXF_NML_04); change output file name
394        (add suffix "_out" instead of a prefix); keep same record number as in
395        input file but always write record 1 first (to avoid a STOP in I/O S/R).
396        Change output file content by writing interpolated field before applying
397        land-sea mask (helpful for debug).
398      - 2 compon. vector interpolation with rotation: apply scaling factor on
399        each compon. (Eastward and Northward) just before rotation.
400    o pkg/bling:
401      - Cleaned package. Removed not needed code and comments.
402      - adjoint example now works
403        (MITgcm_contrib/verification_other/global_oce_biogeo_bling/code_ad)
404    o pkg/ptracers:
405      - add Bruno Deremble's code to complete the linear surface correction
406        for tracer conservation;
407      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
408    
409    checkpoint65y (2016/07/29)
410    o pkg/debug (stats):
411      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
412        proc/thread mapping);
413      - fix Min & Max for case where 1 thread has only empty tiles;
414      - use RL variable to count number of wet grid points (with big domain,
415        can be too large to fit into integer*4).
416    o pkg/monitor:
417      - use RL variable to count number of wet grid points (but used only for del2)
418      - add new routine to compute Advective CFL within tracer time-stepping with
419        writing delayed until next monitor output.
420    o pkg/obcs:
421      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
422    o pkg/cal:
423      - calandar-dump: treat case myTime < timePhase in the same way as in
424        eesupp/src/diff_phase_multiple.F (when not using calandar-dump).
425    o pkg/dic & seaice:
426      - fix compilation of ocean component for coupled atm+ocn model with
427        seaice dynamics & dic.
428    
429    checkpoint65x (2016/06/11)
430    o add a license text file in main MITgcm tree.
431    o added pkg/bling:
432      - intermediate complexity biogeochemical model
433      - see bling_description.txt for details
434      - verification experiment is global_oce_biogeo_bling (for now, in
435        Contrib/verification_other/); tested daily on baudelaire with gfortran.
436      - add entry point in pkg/gchem for new pkg "bling".
437    o pkg/seaice: fix tensile stength computation
438      - replace global field tensileStrength by tensileStrFac
439      - tensileStrFac can be computed once in S/R seaice_init_varia
440      - fortunately that does not affect any verification results
441    
442    checkpoint65w (2016/05/12)
443    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
444         with ECCO_CTRL_DEPRECATED defined
445    o verification/global_ocean.cs32x15:
446      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
447        with "selectNHfreeSurf=1".
448    o model/src (non-hydrostatic free-surface):
449      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
450        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
451      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
452        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
453        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
454        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
455      - Update output (changes at machine truncation level) of verification exp:
456        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
457        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
458    o pkg/seaice: ITD code
459      - fix picking up from a single category model by initialising
460        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
461      - split a long warning message in seaice_check_pickup.F into two lines,
462        because NEC SX-ACE cannot deal with the long line.
463    o model/src:
464      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
465    o pkg/seaice:
466      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
467    o pkg/seaice:
468      - add basal stress as parameterisation for grounding ice
469        following Lemieux et al. (2015)
470      - turn on by setting new parameter SEAICEbasalDragK2 to a value
471        larger than 0. Lemieux et al. (2015) recommend 15.
472      - The adjoint complains with extra recomputations so there is also a
473        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
474        order to postpone the problem
475      - compile the new code in lab_sea
476    o verification/halfpipe_streamice:
477      - update both TAF and OpenAD adm output (machine truncation differences)
478    
479    checkpoint65v (2016/04/08)
480    o verification/advect_xz:
481      - increase overlap size from 3 to 4 and add new secondary test for PQM
482        advection scheme (with mono & wino limiter).
483      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
484    o model/src:
485      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
486        added phi0Ref) to set vertical axis origin and phiRef origin;
487        keep Ro_SeaLevel for backward compatibility (with a warning).
488       According to coordinate and fluid type:
489        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
490        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
491        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
492        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
493      - remove Ro_SeaLevel from ATM experiment parameter files;
494      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
495        complement; update output.txt (changes at machine truncation level).
496    o pkg/seaice/seaice_evp.F
497      - simplify computation of deltaZ and zetaZ to simple averaging following
498        Bouillon et al. (2013). This removes a lot of code, but also changes
499        verification experiment lab_sea.hb87 -> updated
500    
501    checkpoint65u (2016/03/14)
502    o pkg/generic_advdiff:
503      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
504        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
505        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
506        testing and not for actual use.
507    o model/src:
508      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
509        origin r = rF(1);
510      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
511        in EOS for height coordinate: enable to include NH Pressure or to use
512        more accurate pressure vertical profile; options not linked to EOS type
513        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
514      - start to implement variable gravity (along vertical): for now, only with
515        z-coords (not even z*).
516      - add Ideal Gas equation of state for height coordinate.
517      - update OpenAD output (affected at machine truncation level) of exp:
518        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
519    o pkg/exf:
520      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
521        of exf interpolation (before any rescaling, rotation or interpolation
522        to velocity point) for each field that gets loaded from file. This option
523        identically mimics the input file organization (e.g. record numbers in year
524        by year input files) besides the change in horizontal grid.
525      - add rotateStressOnAgrid run-time switch so that wind stress fields
526        can be provided on the A-grid in zonal/meridional direction and
527        rotated on the fly. This only applies to the case when the exf
528        interpolation is off and rotateStressOnAgrid is false by default.
529    o model/src:
530      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
531        it's also used with pkg/atm_phys) and add few more parameters (but still
532        inactive, src code yet to come)
533    
534    checkpoint65t (2016/02/10)
535    o pkg/atm_phys:
536      - from Ruth Geen: add optical depth dependence on CO2 concentration.
537    o model/src:
538      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
539        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
540        Update output of exp. deep_anelastic (changes at truncation level).
541    o tools:
542      - add a hack in "remove_comments_sed" (used only with TAF) for recent
543        version of OpenMPI (shipped with FC.23): comment out the new header
544        file "mpif-sizeof.h" which causes problems to TAF.
545    o pkg/seaice:
546      - change the termination criterion so that maxits (SEAICElinearIterMax)
547        has an effect
548      - unify iteration parameters for implicit solvers (JFNK and Picard)
549        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
550        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
551        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
552        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
553        SEAICEnonLinTol     replaces JFNKgamma_nonlin
554      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
555      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
556        use with SEAICEuseKrylov
557    o pkg/seaice/seaice_lsr.F
558        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
559        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
560        an effect.
561    o pkg/seaice: add two new parameters
562      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
563        parameter is not in any namelist)
564      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
565        a preconditioner for the non-linear Newton iteration of the JFNK
566        solver
567    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
568      affects some experiments at truncation level:
569      - global_ocean.cs32x15.icedyn (11 digits),
570      - global_ocean.cs32x15.seaice (11 digits),
571      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
572      - also update global_ocean.cs32x15 adjoint and tangent-linear results
573    o pkg/salt_plume & pkg/thsice:
574      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
575        connect salt_plume flux to ATM-OCN coupling pkgs interface:
576       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
577         export to coupler interface) even without compiling pkg/salt_plume ;
578       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
579         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
580    o pkg/dic:
581      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
582        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
583        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
584      - move also update with values from ATM-OCN Coupler in the same new S/R
585        (previously done in ocn_apply_import.F).
586    o tools/adjoint_options:
587      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
588        has been changed on Jan 14, 2016.
589    o pkg/ggl90:
590      - add alternative discretisation of vertical shear (off by default), to
591        compute the mean (@ grid-cell center) of vertical shear compon instead of
592        vertical shear of mean flow (@ grid-cell center).
593      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
594        results on adjacent faces of cubed-sphere grids; this fix the restart.
595    o pkg/atm_compon_interf:
596      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
597        pass last value, stored directly before export to CPL ;
598        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
599      - remove atmSLPr from pickup files (no longer needed for restart)
600    
601    checkpoint65s (2016/01/13)
602    o eesupp & genmake2:
603       - first check for Function ETIME and, if it fails, then check for subroutine
604         ETIME and consistent output; use the appropriate version in timers.F
605    o model/src:
606      - to check restart test, add option to apply EXCH to U,V earlier, just before
607        integr_continuity; turned off by default.
608    o pkg/dic:
609      - remove CPP option USE_ATMOSCO2 (not needed)
610    o tools/tst_2+2:
611      - try to ignore difference between +0 and -0 in binary file, causing test
612        to fail for no good reason.
613    o eesupp & genmake2:
614      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
615        but also check (in genmake2) that test runs and returns meaningful results.
616    o coupler pkgs:
617      Finish implementation of optionally-exchanged variable switches (started on
618       Nov 12) with addition of few more exchanged fields, including 2-way exchange
619       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
620       advection in OCN component; this requires sequential coupling.
621      coupler (pkg/atm_ocn_coupler):
622      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
623        routines (useful for debug).
624      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
625         flux, DIC fields) if corresponding switch is ON.
626      - add option to export RunOff to OCN (to use for DIC river input)
627      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
628      components (pkg/atm_ & ocn_compon_interf):
629      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
630        optionally exchanged fields; add a check & stop in cpl_readparms.F.
631        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
632        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
633      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
634        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
635      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
636      - hold in common block coupler optionally-exchanged variable switch
637        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
638      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
639        this is intended to replace the OCN cplFldtave.* output files (not updated
640        to contain new additional exchanged fields).
641    o pkg/dic:
642      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
643    o pkg/thsice:
644      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
645        and writing of thsice pickup files.
646    o pkg/atm_compon_interf:
647      - move all field individual export-call out of cpl_export_import_data.F
648        into new S/R ATM_EXPORT_FIELDS
649    o pkg/atm_compon_interf:
650      - store state variables (for now, only thSIce fields) just before beeing
651        exported (in cpl_export_import_data.F, like on ocean side) instead of from
652        atm_store_my_data.F like all exported fluxes.
653      - new version of pickup_cpl: write field names into meta file and read meta
654        file to find field postion in pickup. Also only write/read fields meeded for
655        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
656    o pkg/dic:
657      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
658    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
659        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
660        value can be from domain [0,1] to average between the two methods
661    o pkg/atm_phys:
662      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
663        hold fixed in time).
664    
665    checkpoint65r (2015/12/21)
666    o pkg/seaice:
667        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
668        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
669    o pkg/seaice:
670      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
671        when SEAICEscaleSurfStress=.TRUE.,
672      - apply areaW and areaS in S/R seaice_calc_lhs
673    o pkg/atm_phys:
674      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
675        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
676        for individual contribution (convection, LSC cond, radiation)
677      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
678        information); activated with: solar_exponent=0. and wv_exponent=-1.
679    o pkg/ggl90:
680      - within IDEMIX add upper limit for horizontal group velocity to
681        avoid instability problems in the explicit horizontal diffusion term for
682        long time steps or high resolution
683    o pkg/diagnostics:
684      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
685        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
686    o testreport:
687      - remove "-v" (verbose option) in default mpirun command.
688    o pkg/seaice/seaice_growth:
689      - catch potential division by zero in ITD code, does not change
690        verification results
691    o pkg/ecco:
692      - retire old codes to the Attic. The calls to retired functions are
693        left in a commented form in case they ever need to be re-activated.
694      - ecco_check.F: issue warning if any old CPP option is
695        defined that corresponds to retired codes -- then stop.
696    o pkg/atm_compon_interf:
697      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
698        coupler: use last time-step value instead of average over cplSendFrq_iter
699        time-step, similar to what is done for seaIceMass.
700        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
701    o eesupp & genmake2:
702      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
703        <= remove until a fix is found for some ifort version on ia32 machine.
704    o pkg/seaice/seaice_evp:
705      - refine residual computation
706    
707    checkpoint65q (2015/11/18)
708    o pkg/seaice/seaice_evp:
709      - fix residual computations so that they no longer affect the actual
710        simulation code
711      - fix seaice_readparams to be able to actually set new parameters
712        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
713    o model/src:
714      - fix wrong truncation (single prec) from "FLOAT" function in expressions
715        like: deltaT*FLOAT(myIter) when myIter is large:
716         a) replaced by DFLOAT (if not seen by TAF);
717         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
718    o pkg/aim_v23:
719      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
720        when pickupSuff is set ; do write rolling pickups + at the end of the run.
721    o pkg/atm_ocn_coupler + ocn_compon_interf:
722      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
723        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
724        add corresponding call in DO_OCEANIC_PHYS.
725    o coupler pkgs:
726      Start a new way to set-up optionally-exchanged variables (previously, only
727       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
728       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
729       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
730       compononent param default can be set accordingly).
731      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
732       but rather applies to a group a fields (going both ways like for DIC)
733       and corresponds to an option of coupling config.
734      coupler (pkg/atm_ocn_coupler):
735      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
736        and read namelist directly (without eessup S/R calls) instead of
737        in the very un-flexible old way, 1 param per line, in fixed order;
738      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
739        cleanly in CPL_CHECK_CPLCONFIG
740      - add new coupling-exchange selectors (some not yet active) including
741        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
742                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
743      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
744        component ; called directly from coupler.F, after comp. registrations;
745      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
746         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
747          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
748      components (pkg/atm_ & ocn_compon_interf):
749      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
750        CPP header file in all pkg source files.
751      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
752        ATM/OCN_CHECK_CPLCONFIG;
753      - add error-counter to track errors (e.g., in "data.cpl") and to stop
754        cleanly in ATM/OCN_CHECK_CPLCONFIG;
755      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
756        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
757        before PACKAGES_READPARMS;
758      verification/cpl_aim+ocn/:
759      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
760        "data.cpl" for coupler (in input_cpl).
761    o eesupp/inc:
762      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
763        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
764        to always cumulate tile local-sum in the same order (still uses
765        MPI_Allreduce like standard code).
766      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
767        that are now identical to standard version (in eesupp/inc).
768    o pkg/shelfice:
769      - add SHELFICETransCoeffTFile for initializing spatially varying
770        heat and salt transfer coefficients
771    o pkg/atm_compon_interf & ocn_compon_interf:
772      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
773        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
774      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
775    o pkg/atm_ocn_coupler:
776      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
777    o pkg/rbcs:
778      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
779        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
780      - add a short report (to STDOUT) about RBCS-mask settings.
781    
782    checkpoint65p (2015/10/23)
783    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
784        there is no adjoint test for EVP, we don't know what it does to the adjoint
785        solution, but at least there are no more recomputation warnings left
786    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
787        a chance of giving the same results as a fully converged VP (JFNK) solver
788    o tools/adjoint_options/adjoint_diva:
789      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
790    o pkg/streamice:
791      - spotted bug in streamice_driving_stress using dyG where should have been dxG
792    o pkg/exf:
793      - remove STOP statement that prevented to use wind or (wind-)stress
794        interpolation for constant-in-time forcing fields (wind/stress period = 0).
795    o pkg/seaice:
796      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
797        5 additionals 2D fields and 6 new store directives
798      - change logic in seaice_readparms.F: EVP code can now be turned on in
799        various ways, setting SEAICE_deltaTev is no longer required,
800        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
801        or SEAICEaEVPcoeff
802    o pkg/shelfice/shelfice_thermodynamics.F
803      - redefining uLoc/vLoc to u/v, instead of 2u/v
804    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
805      - this is an intermediate state of a truely converging EVP that has
806        the potential of outperforming implicit VP methods, I do not recommend
807        using it yet.
808      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
809        and all parameters are hardwired
810      - for convergence it still requires very smooth regularisations, that means,
811        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
812        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
813        specific averaging appears to be required, still subject to tuning
814      - still needs cleaning and I need to turn parameter into runtime parameters
815      - add code to compute and print residuals of iteration, compile with
816        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
817    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
818      that entered with r1.54 on Sep04, 2015, -> update results
819    
820    checkpoint65o (2015/09/14)
821    o pkg/mom_vecinv & mom_common:
822      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
823        called from there.
824      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
825        allows to use Vector-Invariant form in deep atmos and anelastic formulation
826    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
827      and Koenig-Beatty+Holland (2012)
828      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
829      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
830      - requires an extra input argument for S/R seaice_calc_viscosities
831      - tensileStrength's depth dependence is different from Itkin et al. (2015)
832        (to be changed and played with, for now exponential)
833    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
834      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
835        by AREA according to Connelly et al. (2004), JPO.
836      - For EVP and the LSR solver, the implicit part of the drag term is
837        the only non-zero term in the denominator when there is no ice (which
838        prevented running the model with zero ice-ocean drag). If
839        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
840        (or zero main diagonals BU/BV) which need to be caught. A practical
841        consequence is that for open water, the momentum equation reduce
842        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
843        they happen to be zero, often leading to a non-zero solution over
844        open water.
845    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
846        efficient EVP method.
847      - introduce area-weighted averages for e12 (analogously to
848        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
849        remain, but also changing the order of terms in the previous average
850        changed the results as much) -> update experiment
851      - add SEAICE_DELTA_SMOOTHREG code
852      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
853        TEM-code
854      - adjust loop bounds so that only required fields are computed
855      - add new averaging code for zetaZ/deltaZ (again similar to
856        seaice_calc_viscosities.F), inactive by default for now (will change
857        results again), but will replace old code eventually
858    o eesupp/src:
859      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
860        to always cumulate tile local-sum in the same order
861        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
862        Still uses MPI_Allreduce (like standard code) but on array of tiles
863        and should be faster than GLOBAL_SUM_SEND_RECV code.
864      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
865        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
866      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
867         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
868         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
869         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
870         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
871    
872    checkpoint65n (2015/07/29)
873    o pkg/thsice:
874      - add a warning when used with pkg/aim but without updating SST
875        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
876    o pkg/offline:
877      - change where Offline-Fields are loaded, from load_fields_driver.F to
878        directly within FORWARD_STEP, just after updating iter number and time;
879      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
880        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
881       These changes allow:
882        a) to recover exactly on-line results using deltaToffline=deltaTClock,
883        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
884        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
885        time-step, both with GM & KPP files and with recomputing these fields;
886        b) no needs to switch on staggerTimeStep anymore;
887        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
888      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
889    o pkg/offline:
890      - change (rarely used) offset-iteration parameter to an offset time (in s):
891        can easily recover previous offset-iter effect by setting offset-time
892        (offlineTimeOffset) to offset-iter x deltaToffline;
893      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
894        in KPP as part of surface buoyancy forcing) in offline run.
895      - fix ptracers KPP non-local term in the case where KPP is re-computed.
896    o OpenAD
897      - Adding preliminary ggl90 test to OpenAD verification.
898        Config. with ggl90 currently diverges after 64 time steps
899        so will need more work to become more stable
900      - Adding preliminary kpp test to OpenAD verification.
901        required small tweakes in kpp_routines.F
902      - Merge and update from Krishna Narayanan's contrib area:
903        * Add one variable for preliminary OpenAD DIVA
904        * Add replacement time-stepping for OpenAD DIVA
905        * genmake2 flag -diva (but only for OpenAD; preliminary)
906        * required modifs for OAD_support
907        successful preliminary test for tutorial_global_oce_biogeo/
908    o pkg/seaice:
909      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
910      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
911        delta with a smooth function in s/r seaice_calc_viscosity
912        (no effect on EVP)
913      - rename local suffix "sqr" into "sq" for more consistent variable names
914    o pkg/seaice:
915        add new parameter SEAICE_deltaMin that is used ***only***
916        for regularizing Delta (and nothing else, like the parameter
917        which is also used for all sorts of things SEAICE_EPS).
918        Defaults to SEAICE_EPS for backward compatibility only.
919    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
920        the wrong key by inialising it before use -> fixes a recomputation
921        problem but does not fix the gradient
922    o pkg/layers:
923      - move resetting of flux arrays to outside the iLa loop
924        (this caused layers_diapycnal to not work with more than one layer coord.)
925      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
926    o pkg/layers:
927      - remove from common block 3D layers fields (used to diagnose transport
928        in tracer coords) and declare them as local arrays in layers_calc.F
929    o pkg/seaice:
930      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
931        in lab_sea forward experiment (changes results -> updated)
932      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
933    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
934       computations; for SEAICE_VECTORIZE_LSR
935      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
936        sweep to the outside,
937      - remove store directives and add "CADJ loop sequential" directives
938        in analogy to model/src/solve_tridiagonal.F
939      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
940        boundaries to yield more readable code. This has also the charming side
941        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
942        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
943        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
944        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
945        an additional option)
946       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
947       but the adjoint gradients (which are affected by this change) still explode.
948    o coupler (atm & ocn _compon_interf):
949      - avoid using Exch2 IO mapping if not suitable.
950    
951    checkpoint65m (2015/06/15)
952    o pkg/layers:
953      - clean-up old parameters setting (from Sep 2012):
954        + remove old parameters setting from common block (declared locally);
955        + stop if any old parameter is mixed with new parameters;
956        + check for valid or consistent parameter setting (e.g., layers_name)
957      - check that layers_bounds for Pot.Density are in the right range;
958        this is supposed to catch un-updated setting after recently shifting
959        potential density field "prho" by -1000 (now in "sigma" scale).
960    o pkg/layers:
961      - Added missing call to layers_fill for keeping track of tottend in
962        pkg/diagnostics/diagnostics_fill_state.F
963    o pkg/layers:
964      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
965        of diapycnal fluxes
966    o pkg/layers:
967      - reverted changes to interpolation to previous treatment; there
968        was never actually a problem
969    o pkg/layers:
970      - fix interpolation of layers tracers in the presence of partial cells
971      - add lots of new functionality to compute water mass transformation
972        (enabled by CPP flag LAYERS_THERMODYNAMICS)
973      - add new calls from main code (diags_oceanic_surf_flux.F,
974        thermodynamics.F, impldiff.F) and gad to save the necessary fields
975        for layers_thermodynamics calculations
976    o pkg/ptracers:
977      - add capability of stepping a passive tracer forward without advection
978        by setting PTRACERS_advScheme to 0.
979    o pkg/diagnostics:
980      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
981    o pkg/layers:
982      - shift potential density field "prho" by -1000 for density layer averaging so
983        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
984        Note that density bin boundaries (layers_bounds in data.layers) have
985        to be set accordingly (i.e., shifted, in sigma scale).
986    o pkg/layers:
987      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
988      - fix calculation of layer non-weighted velocity and layer probability
989      - add diagnostics for pot.density used for layer averaging
990    o pkg/seaice:
991      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
992        positiveness, modify a few comments and improve variable names,
993      - the changed computation of deltaC affects most seaice-related
994        experiments at the truncation level.
995        seaice_itd.thermo is affected by far the most, with
996        only 7 digits of agreement remaining; update experiments.
997    
998    checkpoint65l (2015/05/04)
999    o pkg/shelfice:
1000      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
1001        factor drKp1 to zero where it is negative (ie. do not use
1002        SHELFICEBoundaryLayer if hFacC>1)
1003      - the same for factor drLoc in shelfice_forcing.F
1004    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
1005        with modules in ptracers, when using testreport option "-small_f"
1006    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
1007      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
1008    o verification/testreport
1009      - add new option -small_f
1010        with this option testreport first makes the target small_f (*.f files)
1011        before running make (all). This is useful for explicit inlining when
1012        all sources need to be full available.
1013    o pkg/exf/exf_interp.F:
1014        remove previous changes related to reverse (decreasing) input grids latitude
1015    
1016    checkpoint65k (2015/04/01)
1017    o pkg/ecco:
1018        fix missing cosphi initialization; use eccoiter in place of optimcycle;
1019        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
1020        instead of active read/write
1021    o pkg/ctrl:
1022        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
1023        instead of active read/write.
1024    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
1025        return if .NOT.useAUTODIFF
1026    o pkg/seaice: add CPP brackets (cost function related).
1027    o model/src:
1028        add useAUTODIFF run time switch.
1029    o pkg/exf/exf_interp.F:
1030        add code to allow input grids with latitude starting in the north (i.e. when
1031        j=1 corresponds to northern edge of field); modify global_with_exf to test
1032        this feature.
1033    o verification/testreport:
1034      - replace "grep -A3" with POSIX conformal sed command, because there are
1035        implementations of grep that cannot do contextual searches
1036      - replace "cat -n" by "nl" (two occurrences), because not all implementations
1037        of "cat" have the option "-n"
1038    o model/src:
1039        add new file gsw_teos10.F that contains 3 functions, more or less a copy
1040        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
1041        convert from conservative to potential temperature. For now they are not
1042        called anywhere.
1043    o pkg/ggl90: make "useIDEMIX" useful
1044      - re-organize code in s/r ggl90_calc a little to move computations that
1045        are different for idemix into separate loops (changes verification
1046        experiment idemix at truncation level, 12 digits remain -> updated)
1047      - requires 2 new 2D fields KappaM, verticalShear
1048      - make hFacI and recip_hFacI local 3D variables that are passed to
1049        s/r ggl90_idemix
1050      - fix and improve some comments
1051    
1052    checkpoint65j (2015/02/25)
1053    o pkg/openad
1054      - synchronize seawater.F with version in model/src: replace routine
1055        body of sw_temp by calling sw_ptmp and fix/add a few comments.
1056    o pkg/mnc:
1057      - change default value of pickup_read/write_mnc params to FALSE
1058        (since few features are missing in reading MNC pickup files).
1059    o model/src:
1060      - change default (background) vertical diffusivity for salt to be the
1061        temperature (background) vertical diffusivity.
1062      - change background vertical diffusivity in vertical mixing pkgs ggl90,
1063        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
1064        This makes ptracers default diffusivity (that uses salt diffKr) more
1065        consistent with vertical mixing schemes.
1066    o verification/testreport:
1067      - fix typo in "-pcls" option ;
1068      - put temp files in /tmp (instead of in local dir)
1069      - add option "-ncad" to use genmake2 new option "-nocat4ad"
1070      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
1071    o pkg/ggl90 (idemix code):
1072      - apply few fixes ; add some missing "_d 0" ; update output of exp.
1073        global_ocean.90x40x15.idemix
1074    o OpenAD
1075      - enable active file I/O and begin removal of work-around code
1076        for OpenAD for handling control variables (memory vs. active files)
1077      - new CPP options file OPENAD_OPTIONS.h
1078      - revert to genarr2d gradient check for hs94.1x64x5
1079      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
1080      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
1081    o tools/genmake2:
1082      - add option for an alternative Makefile (from Martin) where multiple
1083        source files are sent to TAF (instead of all in one file).
1084    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
1085      - code provided by Carsten Eden as an extension of ggl90
1086      - so far the code is turned on within ggl90 by setting a CPP-flag at
1087        compile time; a runtime flag implementation is not yet complete
1088      - tested in new verification experiment global_ocean.90x40x15.idemix
1089    o verification:
1090      - reduce length of the AD test run by half for experiments
1091        global_ocean.cs32x15 (std + thsice) and isomip
1092      - enable active file I/O for OpenAD, adjust verifications accordingly
1093      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
1094    o verification/testreport:
1095      - fix two non-POSIX sed statements so that there are no error messages
1096        on Mac OS X
1097      - replace hostname -s with hostname | sed 's/\..*$//'
1098    o model/src/seawater.F:
1099      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
1100        (following the matlab code), which would have avoided the bug caught
1101        by Matt (see below) in the first place
1102    o pkg/shelfice:
1103      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
1104        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
1105      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
1106        ice-shelf case (i.e., within surface level).
1107      - add config summary in shelfice_check.F
1108      - remove global variable recip_SHELFICElatentHeat and replace by a local
1109        variable recip_latentHeat
1110      - introduce diagnostics for friction velocity uStar (in case of
1111        SHELFICEuseGammaFrict)
1112      - change verification experiment isomip.htd:
1113        + start from pickup (as input_ad at nIter0=8640)
1114        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
1115        + test SHELFICEuseGammaFrict = .TRUE.
1116        + test SHELFICEadvDiffHeatFlux = .TRUE.
1117    o model/src:
1118      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
1119        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
1120        update output of experiments global_with_exf.yearly and isomip (all 6).
1121    o pkg/shelfice:
1122      - change setting of kTopC to also be zero where there is no ice-shelf.
1123      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
1124        ice-shelf is.
1125      - first attempt to get RealFreshWaterFlux effects: for now, only without
1126        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
1127    o pkg/seaice: add the option to prescribe a fixed thickness PDF
1128      for thermodynamic calculations
1129      - because of divisions of the type 7/7 not exactly equal to 1, this change
1130        affects results of some verification experiments by up to 4 digits:
1131        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
1132        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
1133        adjoint: lab_sea, lab_sea.noseaicedyn
1134        -> updated
1135    
1136    checkpoint65i (2015/01/23)
1137    o model/src:
1138      - change units of frictionHeating field from W to W/m^2
1139      - fix bug in frictional heating from stratospheric drag in
1140        S/R ATM_PHYS_TENDENCY_APPLY_V
1141      - with synchronous time-stepping: move resetting to zero of frictionHeating
1142        field from load_fields_driver.F to thermodynamics.F ;
1143      - add diagnostics for frictional heating.
1144    o model/src & gmredi K3D:
1145      - add frictionHeating field to pickup-files (for synchronous time-stepping)
1146      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
1147      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
1148        and name in pickup file).
1149      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
1150    o model/src:
1151      - move (from ini_forcing.F) initialisation of all arrays in header file
1152        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
1153        (since Nov 2012) with option selectAddFluid=1.
1154    o pkg/shelfice:
1155      - change units (+ document) of newly added field "shelfIceMassDynTendency"
1156      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
1157    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
1158    o pkg/seaice: two new runtime parameters:
1159      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
1160        long overdue
1161      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
1162        parameterization of tensil stress for fast ice (does not do anything yet)
1163    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
1164        for LSR: move checking overlaps out of JFNK-if-block
1165    o pkg/atm_phys:
1166      - move copy of grid and dynamical fields out of atm_phys_driver.F into
1167        new S/R ATM_PHYS_DYN2PHYS.
1168      - fix level height for Linear Free-Surf case (to be consistent with
1169        fixed-in-time pressure levels).
1170    o pkg/mom_common (bottomdrag):
1171      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
1172        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
1173        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
1174    o pkg/shelfice (u/v_drag):
1175      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
1176      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
1177        (now similar to shelfice_u_drag.F)
1178      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
1179        from mom_vecinv.F (similar to mom_fluxform calls).
1180    o pkg/mom_common (bottomdrag):
1181      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
1182      - add options for alternative discretisation of velocity norm in quadratic
1183        bottom drag: averaging of grid-cell-center KE to U.point and V.point
1184        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
1185        improves when averaging only the other component (e.g. vVel for U bottom
1186        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
1187      - add options (bottomVisc_pCell) to account for partial-cell in bottom
1188        friction (no-slip BC) thus getting the true distance from the bottom;
1189        off by default since this also reduces model stability (explicit bottom
1190        friction). Changes produce different machine truncation with linear-drag
1191        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
1192        front_relax (bvp & mxl, 10 & 11 digits).
1193    o model/src & mom pkgs:
1194      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
1195        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
1196      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
1197        just copy level Nr value to level Nr+1.
1198    o doc:
1199      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
1200    o pkg/shelfice:
1201      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
1202        SHELFICE.h: move array shelficemass to init_varia, initialise
1203        from array shelficemassinit, which is set in init_fixed and
1204        has option to be set from file; introduce array
1205        shelficeMassDynTend array, set thru file in init_fixed
1206      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
1207        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
1208        pkg/streamice
1209      - shelfice_thermodynamics.F: call shelfice_step_icemass if
1210        SHELFICEMassStepping = .true.
1211      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
1212    
1213    checkpoint65h (2014/12/17)
1214    o verification/global_ocean.90x40x15, global_ocean_ebm:
1215      - update to generic controls.
1216    o pkg/ctrl:
1217      - ctrl_map_ini_genarr.F: test for igen>0
1218      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
1219      - move gentim2d part of ctrl_map_ini_genarr.F to
1220        new separate routine : ctrl_map_ini_gentim2d.F
1221      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
1222        add time variable weights and cyclic controls (time mean,
1223        seasonal cycle, etc) capabilities to gentim2d
1224    o pkg/ecco:
1225      - move reading of error, conversion to weights from
1226        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
1227    o global_oce_llc90, cs32:
1228      - activte sbo.
1229      - CTRL_SIZE.h : add maxCtrlProc.
1230      - activate the new genctrl capabilities.
1231      - update following reorganization of global_oce_input_fields.tar.gz  
1232    o pkg/ctrl/ctrl_ad_diff.list:
1233      - add missing ctrl_init_rec.f
1234    o tools/OAD_support/keepOriginal:
1235      - add ctrl_init_rec.F
1236    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
1237      - avoid recomputations of xx_gentim2d_dummy.
1238    o momentum diagnostics:
1239      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
1240        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
1241    o pkg/seaice/seaice_lsr.F:
1242      - fix computation of BU/BV, make sure they are non-zero, only necessary
1243        for cubed sphere exchanges and SEAICE_OLx/y>0.
1244        This makes calling s/r fill_cs_corner_rl obsolete (removed).
1245    o verification/global_ocean.cs32x15/input.seaice
1246      - add test for strong implicit coupling and restricted addtive Schwarz
1247        methods for LSR
1248      - update results/output.seaice.txt
1249    o verification/tutorial_global_oce_biogeo:
1250      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
1251        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
1252        update output_adm,_oadm,_tlm.txt
1253    o pkg/dic:
1254      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
1255      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
1256        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
1257    o verification/tutorial_global_oce_biogeo:
1258      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
1259        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
1260        update output_adm,_oadm,_tlm.txt
1261    o eesupp/src:
1262      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
1263        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
1264    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
1265      LSR (following Hutchings et al. 2004)
1266      - introduce zetaZ as a global variable (requires adjustments in
1267        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
1268        in seaice_calc_viscosities.F
1269      - new flag SEAICEuseStrImpCpl (default off)
1270      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
1271        momentum equations
1272      - JFNK-solver (preconditioner) adjusted to allow using this method
1273        (where it does not have any positive effect)
1274    o pkg/seaice
1275      - add overlap for restrictive additive Schwartz method also to LSR, but
1276        turn it off by default (because it only seems to work for non-cubed
1277        sphere/llc topologies)
1278    o pkg/autodiff
1279      - add extra exchanges in addummy_in_steppging also for mnc output
1280    o pkg/seaice:
1281      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
1282        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
1283    o pkg/obcs:
1284      - add option to specify domain-connected piece Id along OB though files
1285        (for now, only used to diagnose PhiVel; default =1 -> global correction)
1286      - modify obcs_diag_balance.F to process each connected-part separately;
1287        exclude OB where Id = 0 but keep the full divergence there (-> constant
1288        Psi along this portion of OB and all inflow derived from grad(Phi))
1289      - add example of OB-conect files in verification/so_box_biogeo/input.
1290    o pkg/diagnostics:
1291      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
1292      a) use non zero matrix element across OB and solve for Phi 1 grid point
1293         outside OB (i.e, where tracer OBCS are applied).
1294      b) global imbalance of inFlow/outFlow across OB: instead of modifying
1295         velocity across OB, spread it uniformly along the OB in the RHS.
1296    
1297    checkpoint65g (2014/11/19)
1298    o pkg/diagnostcis:
1299      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
1300    o pkg/my82,pp81,kl10:
1301      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
1302        field diffKr as background diffusivity to set minimum diffusivity value.
1303    o pkg/seaice:
1304      - add new parameter SEAICEuseEVPrev (for revisited EVP by
1305        Bouillon et al 2013)
1306      - add SEAICE_evpAlpha/Beta to namelist
1307      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
1308        involve trivial re-ordering of divisions/multiplications that should not
1309        have any effects, but ... they do change the results of lab_sea.hb87 so
1310        that only 2 digits of agreement remain, in line with the general
1311        instability/fragility of the evp-code. For now, I do not care and just
1312        update the verification experiment
1313    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
1314      - remove xx_genarr2d_numsmooth etc
1315      - use xx_genarr2d_preproc etc instead
1316      - carry out smooth_correl2D at initialization stage rather than during
1317        time stepping.
1318      - get smoothOpNb from xx_gentim2d_preproc
1319    o global_oce_cs32 :
1320      - add test of generic ecco capabilities.
1321    o pkg/exf/exf_getsurfacefluxes.F :
1322      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
1323    o pkg/ctrl,ecco :
1324      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
1325        is defined.
1326    o pkg/seaice: add diagnostics for Delta (deformation parameter)
1327    o model/src:
1328      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
1329        diffusivity (background) is specified but ignored.
1330    o verification:
1331      - in testreport, convert hostname to lower case for default output dir name
1332    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
1333    o pkg/dic: add modifications from Hajoon:
1334      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
1335      - light attenuation: add self-shading effect by climatological Chlorophyll
1336        (read from file).
1337    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
1338        compiles when SEAICE_ALLOW_DYNAMICS is undefined
1339    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
1340        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
1341        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
1342        approach where CPP_OPTIONS.h includes an omnipotent
1343        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
1344    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
1345        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
1346  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
1347    to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included      to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
1348    (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...)
1349  o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :  o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
1350    add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed    add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
1351    - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h    - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
1352    - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h    - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
1353    - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc    - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
1354  o pkg/ctrl,ecco,exf :  o pkg/ctrl,ecco,exf :
1355    - remove variables associated with NON-generic costs,    - remove variables associated with NON-generic costs,
1356      unless ECCO_CTRL_DEPRECATED is defined.      unless ECCO_CTRL_DEPRECATED is defined.
1357    - remove NON-generic NON-obcs controls,    - remove NON-generic NON-obcs controls,
1358      unless ECCO_CTRL_DEPRECATED is defined.      unless ECCO_CTRL_DEPRECATED is defined.
1359  o pkg/ctrl : added ctrl_local_params.h  o pkg/ctrl : added ctrl_local_params.h
1360  o pkg/ecco : added ecco_local_params.h  o pkg/ecco : added ecco_local_params.h
1361  o verification : added ECCO_CTRL_DEPRECATED to most as and oad  o verification : added ECCO_CTRL_DEPRECATED to most as and oad
1362    experiments, which will progressively be removed once the      experiments, which will progressively be removed once the
1363    experiments are revised to use only generic controls/costs.      experiments are revised to use only generic controls/costs.
1364    
1365  checkpoint65f (2014/10/13)  checkpoint65f (2014/10/13)
1366  o pkg/ctrl, ecco, seaice : minor changes in headers  o pkg/ctrl, ecco, seaice : minor changes in headers
1367  o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic  o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
1368    cost function and control capabilities added since checkpoint65c.      cost function and control capabilities added since checkpoint65c.
1369  o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.  o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
1370  o pkg/ecco: increase modularity and improve logic  o pkg/ecco: increase modularity and improve logic
1371    - 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 1725  o pkg/seaice: more clean up
1725      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
1726      this experiment):      this experiment):
1727      > size mitgcmuv_ad      > size mitgcmuv_ad
1728      text    data        bss     dec        hex        text    data        bss     dec        hex
1729      5100659 1216  220458952  225560827  d71c8fb      5100659 1216  220458952  225560827  d71c8fb
1730      5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)      5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
1731      but only a moderate increase of 36% for global_ocean.cs32x15:      but only a moderate increase of 36% for global_ocean.cs32x15:
1732      text    data        bss     dec        hex      text    data        bss     dec        hex

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