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revision 1.2139 by mlosch, Tue Mar 3 15:57:00 2015 UTC revision 1.2319 by mmazloff, Fri Mar 31 19:43:05 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 pkg/bling
8      - Bug fix in bling_production regarding unit conversion for diagnostics
9        being put in the wrong place
10    o model/src:
11      - add back recomputation of rSurfW & S to ensure consistent column thickness
12        (needed for rStar) between Sum_k(hFac*drF) and rSurf-rLow, for now only
13        when using pkg/shelfice; was initially added on 2012/06/01 (ini_masks_etc.F
14        revision 1.51) but was removed accidentally on 2014/02/08 (v1.53).
15    o pkg/autodiff:
16      - clean-up "checkpoint.flow"
17    o pkg/rw (Contribution from Jody Klymak):
18        option to set mds file suffix as function of time in simulation:
19        *) new input parameter "rwSuffixType" (read from PARM03 namelist)
20           to select file suffix format; by default (=0), use iteration number;
21        *) add simple routine to return file suffix according to rwSuffixType;
22        *) in model/src and in most pkgs (except: atm2d, fizhi, regrid & streamice),
23           use new S/R to get file suffix, except for debug output file (diagFreq)
24           and pkgs offline & rbcs input files.
25    o pkg/rw:
26      - uniform processing of "I10" suffix across writing fld routines; used to
27        simplify debug writing of cg2/3d_b/x in solve_for_pressure.F & post_cg3d.F
28        (similar to cg3d.F, cg3d_ex0.F)
29    o pkg/mom_vecinv:
30      - highOrderVorticity in selectVortScheme=2 case: fix c4 coeff in splitted
31        vorticity flux (keep same sum in case vBarXm=vBaXp, uBarYm=uBarYp).
32    o pkg/bling:
33      - Many small changes intended to clean the code.
34        Unnecessary ADJOINT_SAFEs removed ;
35        removed BLING_COST.h BLING_CTRL.h bling_cost.F ;
36        diagnostics added.
37    
38    checkpoint66e (2017/03/14)
39    o pkg/exf:
40      - interpolation with #undef EXF_INTERP_USE_DYNALLOC: move buffer size
41        definition outside EXF_PARAM.h in new header file: EXF_INTERP_SIZE.h;
42        use fixed size buffer (passed to S/R EXF_INTERP & EXF_INTERP_UV) to
43        avoid any dynamic allocation ;
44      - S/R EXF_CHECK: add new check & stop when file-name is defined but not
45        read-in ; add warning when file is read-in but not used within pkg/exf ;
46        + check for buffer-size (if #undef EXF_INTERP_USE_DYNALLOC).
47      - update exf_summary.F (print {FLD}RepCycle).
48    o verification/global_with_exf:
49      - switch on exf interpolation in AD test (just like the forward test)
50    o pkg/mom_vecinv:
51      - add storage directives to avoid recomputations within mom_vecinv.F
52        which were generating seg. fault with gfortran -devel
53    o pkg/ctrl, pkg/smooth:
54      - initialize array halos which were generating seg. fault with
55        gfortran -devel in adjoint mode
56    o pkg/exf:
57      - for each input field, enable to specify a field specific repeat-cycle
58        ({FLD}RepCycle) which defaults to pkg/exf main "repeatPeriod".
59    o verification/lab_sea:
60      - update AD results of primary test and noseaicedyn test after switching
61        to new version of TAF (5.3.13 vs 5.3.2 before); agreement with gradient
62        check stays about the same.
63    o pkg/exf:
64      - fix bug in exf_zenithangle.F for cases select_ZenAlbedo > 0 with useCAL=T.
65      - exf_check: MAX_LAT_INC need only be "loc_nlat-1", not equal to loc_nlat
66    o pkg/bling, USE_EXFCO2 code:
67      - add parameter "apco2RepCycle" (set to pkg/exf "repeatPeriod" by default);
68      - update calls to EXF S/R (use new version: EXF_INIT_FLD & EXF_SET_FLD).
69    o pkg/exf:
70      - rename S/R EXF_INIT to EXF_INIT_VARIA ;
71      - add arguments: fldName (for debug msg) and fldRepeatCycle (set to
72        repeatPeriod) to S/R EXF_SET_UV and to S/R EXF_SET_GEN (renamed EXF_SET_FLD)
73        and update calls in pkg/exf calling S/R (exf_getffields.F & exf_getclim.F) ;
74      - add argument: fldName (for debug msg) to S/R EXF_INIT_GEN (renamed
75        EXF_INIT_FLD) and update calls in exf_init_varia.F
76      - For now, for backward compatibility, keep a simplified version of S/Rs
77        EXF_SET_GEN & EXF_INIT_GEN in file exf_set_gen.F
78      - add and pass new arguments: fldName (for debug msg) and fldRepeatCycle
79        to S/R EXF_GetFFieldRec ; update calls in pkg/obcs/obcs_exf_load.F
80    o tools/genmake2:
81      - replace "bc -l" (only used once) by "expr" (already used).
82    o verification/global_ocean.cs32x15:
83      - turn off pkg/cal (useCAL=F) in secondary FWD exp. "icedyn".
84        Note: exf setting (data.exf) can be compared to other exf secondary exp
85        "seaice" (kept with useCAL=T) which has same time dependent forcing.
86    
87    checkpoint66d (2017/02/13)
88    o pkg/exf:
89      - remove setting of useCAL=T when using pkg/exf (useEXF=T); add warning
90        early on (in packages_boot.F) to stress this change in pkg setting.
91      - In (most) verification exp. that use pkg/exf, add useCAL=.TRUE. to data.pkg
92    o model/src:
93      - move call to ecco_phys to end of time step; this may induce minor
94        cost function changes by shifting time averages by one time step
95        for some variables; this revision resulted in changed adjoint results
96        in MITgcm_contrib/verification_other/global_oce_cs32
97    o pkg/exf:
98      - Change EXF_READ_EVAP to only activate code within #ifdef ALLOW_ATM_TEMP ;
99        this prevents to read evap when ALLOW_ATM_TEMP is undef and other fields,
100        e.g. precip, are not available.
101    o pkg/flt:
102      - flt_init_varia.F: use pickupSuff if specified
103      - add code (within #ifdef DEVEL_FLT_EXCH2) and test case as a first,
104        intermediate, step towards completing pkg/exch2 support within pkg/flt;
105        ifdef DEVEL_FLT_EXCH2 then:
106        - flt_init_fixed.F: comment out stop
107        - flt_exch2.F: conserve ipart, jpart (grid coordinates)
108        - exch2_recv_get_vec.F: transform ipart, jpart (grid coordinates)
109        - flt_mapping.F: attempt to fix longitude diagnostic near date-line
110        - flt_init_varia.F: hack initialization (for testing purposes w. LLC90)
111    o tools/genmake2 & pkg/pkg_depend:
112      - define new type of pkg dependency rule ("=pkg_x"), less strict than
113        the "+" rule, that add the dependent pkg (pkg_x) unless it's disabled
114        (-pkg_x in packages.conf).
115      - change pkg/exf dependency rule from "exf +cal" to "exf =cal";
116      - add "+cal" to dependency list of pkg/ecco (needed to compile).
117      - simplify FWD experiment "offline_exf_seaice" by removing pkg/cal.
118    o utils/matlab:
119      - adding ocean_basin routines for defining basin masks.
120    o pkg/exf:
121      - new S/R EXF_GETFFIELD_START replacing EXF_GETFIELD_START, but with more
122        arguments, allowing to check (and stop) if parameter setting of
123         {FLD}startdate1 & date2 and of {FLD}StartTime are consistent with
124        useCAL= T or F. For now, kept a simplified version of EXF_GETFIELD_START
125        for backward compatibility.
126      - change accordingly calls in exf_init_fixed.F + default {FLD}StartTime in
127        exf_readparms.F ; apply same changes to pkg/icefront (for SGRunOff field).
128    o pkg/bling (USE_EXFCO2 code):
129      - fix missing setting of apco2StartTime according to apco2startdate1 & date2
130        by adding a call to S/R EXF_GETFFIELD_START.
131    o pkg/exf:
132      - allows to compile without pkg/cal (but disabled by current dependency
133        rules, i.e., default "pkg/pkg_depend"). Minimal changes to enable to
134        run with useCAL=F ; this involves setting directly {FLD}StartTime instead
135        of {FLD}startdate1 & date2 ; consistency check not yet coded.
136    o verification/global_ocean.cs32x15:
137      - fix all data.exf for a shift of 1 day in all field startdate1 so that it now
138        corresponds to middle of 1rst month; update outputs (2 fwd + 3 adm + 3 tlm).
139    o pkg/exf:
140      - allow to use EXF_ZENITHANGLE without pkg/cal + simplify (saving some
141        calculations); change FWD experiment global_ocean.cs32x15
142        (#define ALLOW_ZENITHANGLE) to test/check that this code compiles.
143    o pkg/exf:
144      - In preparation for addition to NAMELIST, rename internal (_RL) parameter
145         {FIELD}startdate to {FIELD}StartTime
146        Note: new name also fit better the content, i.e, a start time in second.
147    o eesupp/src:
148      - add 1 argument to S/R EEBOOT & EEBOOT_MINIMAL for interface with ESMF
149    o pkg/exf:
150      - add option ALLOW_READ_TURBFLUXES (and corresponding set of parameters)
151        to allow to read-in Sensible & Latent Heat flux ;
152      - simplify pkg/exf main options:
153        1) move small piece of code (case ALLOW_ATM_TEMP undef) out of
154           exf_bulkformulae.F into exf_wind.F so that exf_bulkformulae.F is
155           compiled only when both ALLOW_ATM_TEMP & ALLOW_BULKFORMULAE are defined;
156        2) make call to EXF_RADIATION and to EXF_WIND independent of CPP option
157           ALLOW_BULKFORMULAE which now only applies to S/R EXF_BULKFORMULAE ;
158        3) improve options documentation in EXF_OPTIONS.h.
159    o pkg/ecco:
160      - cost_gencost_customize.F,ecco.h,ecco_phys.F,ecco_readparms.F, and
161        ecco_summary.F: add passive tracer cost functions to gencost;
162        m_ptracer and m_boxmean_ptracer
163    o pkg/ctrl:
164      - ctrl_map_forcing.F: pass myIter and myTime to ctrl_map_forcing as input
165        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing; add to list
166        of implemented gentim2d contol parameters: xx_qnet, xx_empmr, xx_qsw,
167        xx_sst, xx_sss, xx_pload, xx_saltflux, xx_fu, xx_fv, xx_fe, xx_fn
168    o model/src:
169      - forward_step.F: pass myIter and myTime to ctrl_map_forcing as input
170        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing
171    o pkg/exf:
172      - exf_getffields.F: add to list of implemented gentim2d contol parameters:
173        xx_lwflux, xx_swflux, xx_evap, xx_apressure, xx_areamask
174    
175    checkpoint66c (2017/01/19)
176    o verification:
177      - add new option "-src" to testreport to only produce source code (*.f),
178        including taf output src code (if using '-adm'/'-tlm' option).
179    o pkg/exf:
180      - add saltflx :: Net upward salt flux in psu.kg/m^2/s
181    o pkg/diagnostics:
182      - add run-time variable diagMdsDir to specify a subdirectory for
183        diagnostic output when mds is being used and mdsioLocalDir is not.
184    o pkg/mnc:
185      - mnc_utils.F: edit stop message
186    o pkg/autodiff:
187      - autodiff_ini_model_io.F: PRINT_MESSAGE, clean-up comments, add _*_MASTER,
188        add HAVE_SYSTEM bracket around system call to mkdir
189    o pkg/profiles:
190      - profiles_findunit.F, profiles_init_fixed.F, profiles_interp.F,
191        profiles_readparms.F: call ALL_PROC_DIE before 'stop'
192      - profiles_ini_io.F: use PRINT_MESSAGE, clean-up comments, add _*_MASTER,
193        add HAVE_SYSTEM bracket around system call to mkdir
194    o pkg/smooth:
195      - smooth_filtervar2d.F, smooth_filtervar3d.F: call ALL_PROC_DIE before 'stop'
196      - smooth_init2d.F, smooth_init3d.F: move print statements to readparms
197      - smooth_readparms.F: add cleaner print statements from smooth_init?d.F
198    o pkg/exf:
199      - check: count errors and stop cleanly at the end (call to ALL_PROC_DIE);
200        issue error message when climsst_interpMethod.GT.0 and climsst_lon_inc > 500
201        generalize tests on interpMethod, nlat, and lon_inc to all exf variables.
202      - summary: skip detailed field report if not used (empty file-name).
203    o tools/xmakedepend:
204      - In case line editor "ed" is missing, switch to "sed" command to clean-up
205        Makefile from previous dependencies (anything after "# DO NOT DELETE" line).
206    o pkg/exf:
207      - change definition of "hflux" input file to always include Short-Wave;
208        this is now consistent with hflux computation (if using bulk-formulae)
209        and hflux diagnostic & documentation (in EXF_FIELDS.h).
210    
211    checkpoint66b (2016/12/01)
212    o model & momentum pkgs:
213      - implement fully implicit bottom friction combined with implicit surf.
214        pressure, for now, only in hydrostic formulation:
215        + to use: compile with #define ALLOW_SOLVE4_PS_AND_DRAG in CPP_OPTIONS.h
216          and run with selectImplicitDrag=2 ;
217        + currently missing diagnostics of bottom drag and vert. viscosity tendency;
218      - partial implicit time-stepping (bot. friction + vert. visc first, then
219        surf. press) corresponding to selectImplicitDrag=1 should be applicable
220        to NH formulation but not available until we solve for surf. pressure
221        increment (instead of full etaN).
222      - change exp. global_ocean.cs32x15.thsice to test implicit bottom drag
223        with implicit vertical viscosity.
224    o pkg/seaice: add linear remapping scheme (Lipscomb 2001) to ITD model
225      - this is a first version that includes many regularisations that may
226        not all be necessary, to be sorted out,
227      - turned on by runtime parameter SEAICEuseLinRemapITD (true by default)
228      - change one verification experiment in seaice_itd to use and test new code
229      - seaice_growth: catch a case where the argument of log can be zero
230        or smaller (important for code stability)
231    o model/src:
232      - modify SOLVE_DIAGONAL_LOWMEMORY version of solve_tridiagonal.F
233        & solve_pentadiagonal.F to enable to re-used inverse matrix for solving
234        similar A.X'=Y' system (with same matrix A) in subsequent calls;
235        switch based on errCode (In/Out) argument value; in calling routines,
236        initialise errCode before first call.
237    
238    checkpoint66a (2016/10/18)
239    o pkg/bling:
240      - BLING package now loads in atmospheric pCO2 file using exf package routines
241        Enable with #define USE_EXFCO2 in BLING_OPTIONS.h
242    o model/src & pkg/ptracers:
243      - with INCLUDE_IMPLVERTADV_CODE defined, also call MOM_U,V_IMPLICIT_R &
244        GAD_IMPLICIT_R (instead of IMPLDIFF) when just implicitViscosity and
245        implicitDiffusion (respectively) are used (even without momImplVertAdv
246        or temp,salt,PTRACERS_ImplVertAdv).
247    o model/src & generic_advdiff:
248      - add parenthesis in main diagonal calculation of implicit vertical
249        diffusion matrix (impldiff.F & gad_implicit_r.F).
250        This affects results at machine truncation level; update output of many
251        verification experiments (31 fwd ; 10 adm ; 8 tlm ; 3 oad).
252    o pkg/mom_commom & generic_advdiff:
253      - add deep atmosphere and anelastic scaling factor in implicit vertical
254        advection routines (mom_u,v_implicit_r.F & gad*_impl*_r.F).
255    o model/src:
256      - remove few unnecessary temp array copies in solve_tridiagonal.F
257        & solve_pentadiagonal.F
258    
259    checkpoint65z (2016/09/28)
260    o pkg/seaice: fix multithreading for seaice_fgmres.F
261      - remove unecessary variables from common blocks
262      - use extra dimension MAX_NO_THREADS for all variables of the Krylov space
263        basis, that are stored in commom blocks (including integer variable i1)
264      - clean up code a little by removing commented lines that refer to
265        original code
266      - turn on multi-threaded test for experiment offline_exf_seaice.dyn_jfnk.
267    o MITgcm manual:
268      - add uptodate pkg/ecco documentation to the manual (section 8.1; ecco.tex),
269        preliminary documentation for generic controls (8.3; ctrl.tex),
270        a placeholder for smooth (8.4; smooth.tex), and comment out the deprecated
271        ecco_costfunction.tex
272    o pkg/ecco:
273      - update and cleanup list of CCP options
274      - re-assign gencost_mask to specify masks rather than gencost_errfile; 'c'
275        is now always passed to cost_generic; gencost_mask is now MAX_LEN_FNAM
276      - add checks that retired run-time options are not used, and in relation
277        to gencost_mask and gencost_errfile
278      - finish deprecating gencost_scalefile, gencost_smooth2Ddiffnbt, and
279        gencost_nrecperiod
280      - fix m_eta computation for virtual salt flux case
281      - add m_horflux_vol case (selected via gencost_barfile) that computes
282        transports via cost_gencost_boxmean (gencost_flag=-3)
283      - use gencost_flag more systematically (i.e., avoid using gencost_name)
284        for code switches (aside from physical variable selection)
285    o pkg/seaice: make seaice_fgmres.F fit for multithreading; this first
286      attempt appears to be a bit of a hack and my need some repair down the road
287    o pkg/exf:
288      - interpolation near South Pole: fix criteria on input field latitude.
289    o pkg/icefront & pkg/exf:
290      - move setting of icefront Sub-Glacial RunOff forcing (currently unused)
291        from pkg/exf (read from data.exf) to pkg/icefront (read from data.icefront)
292    o pkg/exf:
293      - replace CPP option ALLOW_EXF_OUTPUT_INTERP with run-time parameter
294        "exf_output_interp" (in namelist: EXF_NML_04); change output file name
295        (add suffix "_out" instead of a prefix); keep same record number as in
296        input file but always write record 1 first (to avoid a STOP in I/O S/R).
297        Change output file content by writing interpolated field before applying
298        land-sea mask (helpful for debug).
299      - 2 compon. vector interpolation with rotation: apply scaling factor on
300        each compon. (Eastward and Northward) just before rotation.
301    o pkg/bling:
302      - Cleaned package. Removed not needed code and comments.
303      - adjoint example now works
304        (MITgcm_contrib/verification_other/global_oce_biogeo_bling/code_ad)
305    o pkg/ptracers:
306      - add Bruno Deremble's code to complete the linear surface correction
307        for tracer conservation;
308      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
309    
310    checkpoint65y (2016/07/29)
311    o pkg/debug (stats):
312      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
313        proc/thread mapping);
314      - fix Min & Max for case where 1 thread has only empty tiles;
315      - use RL variable to count number of wet grid points (with big domain,
316        can be too large to fit into integer*4).
317    o pkg/monitor:
318      - use RL variable to count number of wet grid points (but used only for del2)
319      - add new routine to compute Advective CFL within tracer time-stepping with
320        writing delayed until next monitor output.
321    o pkg/obcs:
322      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
323    o pkg/cal:
324      - calandar-dump: treat case myTime < timePhase in the same way as in
325        eesupp/src/diff_phase_multiple.F (when not using calandar-dump).
326    o pkg/dic & seaice:
327      - fix compilation of ocean component for coupled atm+ocn model with
328        seaice dynamics & dic.
329    
330    checkpoint65x (2016/06/11)
331    o add a license text file in main MITgcm tree.
332    o added pkg/bling:
333      - intermediate complexity biogeochemical model
334      - see bling_description.txt for details
335      - verification experiment is global_oce_biogeo_bling (for now, in
336        Contrib/verification_other/); tested daily on baudelaire with gfortran.
337      - add entry point in pkg/gchem for new pkg "bling".
338    o pkg/seaice: fix tensile stength computation
339      - replace global field tensileStrength by tensileStrFac
340      - tensileStrFac can be computed once in S/R seaice_init_varia
341      - fortunately that does not affect any verification results
342    
343    checkpoint65w (2016/05/12)
344    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
345         with ECCO_CTRL_DEPRECATED defined
346    o verification/global_ocean.cs32x15:
347      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
348        with "selectNHfreeSurf=1".
349    o model/src (non-hydrostatic free-surface):
350      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
351        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
352      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
353        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
354        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
355        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
356      - Update output (changes at machine truncation level) of verification exp:
357        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
358        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
359    o pkg/seaice: ITD code
360      - fix picking up from a single category model by initialising
361        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
362      - split a long warning message in seaice_check_pickup.F into two lines,
363        because NEC SX-ACE cannot deal with the long line.
364    o model/src:
365      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
366    o pkg/seaice:
367      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
368    o pkg/seaice:
369      - add basal stress as parameterisation for grounding ice
370        following Lemieux et al. (2015)
371      - turn on by setting new parameter SEAICEbasalDragK2 to a value
372        larger than 0. Lemieux et al. (2015) recommend 15.
373      - The adjoint complains with extra recomputations so there is also a
374        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
375        order to postpone the problem
376      - compile the new code in lab_sea
377    o verification/halfpipe_streamice:
378      - update both TAF and OpenAD adm output (machine truncation differences)
379    
380    checkpoint65v (2016/04/08)
381    o verification/advect_xz:
382      - increase overlap size from 3 to 4 and add new secondary test for PQM
383        advection scheme (with mono & wino limiter).
384      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
385    o model/src:
386      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
387        added phi0Ref) to set vertical axis origin and phiRef origin;
388        keep Ro_SeaLevel for backward compatibility (with a warning).
389       According to coordinate and fluid type:
390        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
391        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
392        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
393        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
394      - remove Ro_SeaLevel from ATM experiment parameter files;
395      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
396        complement; update output.txt (changes at machine truncation level).
397    o pkg/seaice/seaice_evp.F
398      - simplify computation of deltaZ and zetaZ to simple averaging following
399        Bouillon et al. (2013). This removes a lot of code, but also changes
400        verification experiment lab_sea.hb87 -> updated
401    
402    checkpoint65u (2016/03/14)
403    o pkg/generic_advdiff:
404      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
405        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
406        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
407        testing and not for actual use.
408    o model/src:
409      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
410        origin r = rF(1);
411      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
412        in EOS for height coordinate: enable to include NH Pressure or to use
413        more accurate pressure vertical profile; options not linked to EOS type
414        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
415      - start to implement variable gravity (along vertical): for now, only with
416        z-coords (not even z*).
417      - add Ideal Gas equation of state for height coordinate.
418      - update OpenAD output (affected at machine truncation level) of exp:
419        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
420    o pkg/exf:
421      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
422        of exf interpolation (before any rescaling, rotation or interpolation
423        to velocity point) for each field that gets loaded from file. This option
424        identically mimics the input file organization (e.g. record numbers in year
425        by year input files) besides the change in horizontal grid.
426      - add rotateStressOnAgrid run-time switch so that wind stress fields
427        can be provided on the A-grid in zonal/meridional direction and
428        rotated on the fly. This only applies to the case when the exf
429        interpolation is off and rotateStressOnAgrid is false by default.
430    o model/src:
431      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
432        it's also used with pkg/atm_phys) and add few more parameters (but still
433        inactive, src code yet to come)
434    
435    checkpoint65t (2016/02/10)
436    o pkg/atm_phys:
437      - from Ruth Geen: add optical depth dependence on CO2 concentration.
438    o model/src:
439      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
440        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
441        Update output of exp. deep_anelastic (changes at truncation level).
442    o tools:
443      - add a hack in "remove_comments_sed" (used only with TAF) for recent
444        version of OpenMPI (shipped with FC.23): comment out the new header
445        file "mpif-sizeof.h" which causes problems to TAF.
446    o pkg/seaice:
447      - change the termination criterion so that maxits (SEAICElinearIterMax)
448        has an effect
449      - unify iteration parameters for implicit solvers (JFNK and Picard)
450        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
451        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
452        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
453        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
454        SEAICEnonLinTol     replaces JFNKgamma_nonlin
455      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
456      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
457        use with SEAICEuseKrylov
458    o pkg/seaice/seaice_lsr.F
459        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
460        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
461        an effect.
462    o pkg/seaice: add two new parameters
463      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
464        parameter is not in any namelist)
465      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
466        a preconditioner for the non-linear Newton iteration of the JFNK
467        solver
468    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
469      affects some experiments at truncation level:
470      - global_ocean.cs32x15.icedyn (11 digits),
471      - global_ocean.cs32x15.seaice (11 digits),
472      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
473      - also update global_ocean.cs32x15 adjoint and tangent-linear results
474    o pkg/salt_plume & pkg/thsice:
475      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
476        connect salt_plume flux to ATM-OCN coupling pkgs interface:
477       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
478         export to coupler interface) even without compiling pkg/salt_plume ;
479       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
480         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
481    o pkg/dic:
482      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
483        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
484        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
485      - move also update with values from ATM-OCN Coupler in the same new S/R
486        (previously done in ocn_apply_import.F).
487    o tools/adjoint_options:
488      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
489        has been changed on Jan 14, 2016.
490    o pkg/ggl90:
491      - add alternative discretisation of vertical shear (off by default), to
492        compute the mean (@ grid-cell center) of vertical shear compon instead of
493        vertical shear of mean flow (@ grid-cell center).
494      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
495        results on adjacent faces of cubed-sphere grids; this fix the restart.
496    o pkg/atm_compon_interf:
497      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
498        pass last value, stored directly before export to CPL ;
499        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
500      - remove atmSLPr from pickup files (no longer needed for restart)
501    
502    checkpoint65s (2016/01/13)
503    o eesupp & genmake2:
504       - first check for Function ETIME and, if it fails, then check for subroutine
505         ETIME and consistent output; use the appropriate version in timers.F
506    o model/src:
507      - to check restart test, add option to apply EXCH to U,V earlier, just before
508        integr_continuity; turned off by default.
509    o pkg/dic:
510      - remove CPP option USE_ATMOSCO2 (not needed)
511    o tools/tst_2+2:
512      - try to ignore difference between +0 and -0 in binary file, causing test
513        to fail for no good reason.
514    o eesupp & genmake2:
515      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
516        but also check (in genmake2) that test runs and returns meaningful results.
517    o coupler pkgs:
518      Finish implementation of optionally-exchanged variable switches (started on
519       Nov 12) with addition of few more exchanged fields, including 2-way exchange
520       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
521       advection in OCN component; this requires sequential coupling.
522      coupler (pkg/atm_ocn_coupler):
523      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
524        routines (useful for debug).
525      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
526         flux, DIC fields) if corresponding switch is ON.
527      - add option to export RunOff to OCN (to use for DIC river input)
528      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
529      components (pkg/atm_ & ocn_compon_interf):
530      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
531        optionally exchanged fields; add a check & stop in cpl_readparms.F.
532        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
533        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
534      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
535        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
536      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
537      - hold in common block coupler optionally-exchanged variable switch
538        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
539      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
540        this is intended to replace the OCN cplFldtave.* output files (not updated
541        to contain new additional exchanged fields).
542    o pkg/dic:
543      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
544    o pkg/thsice:
545      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
546        and writing of thsice pickup files.
547    o pkg/atm_compon_interf:
548      - move all field individual export-call out of cpl_export_import_data.F
549        into new S/R ATM_EXPORT_FIELDS
550    o pkg/atm_compon_interf:
551      - store state variables (for now, only thSIce fields) just before beeing
552        exported (in cpl_export_import_data.F, like on ocean side) instead of from
553        atm_store_my_data.F like all exported fluxes.
554      - new version of pickup_cpl: write field names into meta file and read meta
555        file to find field postion in pickup. Also only write/read fields meeded for
556        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
557    o pkg/dic:
558      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
559    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
560        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
561        value can be from domain [0,1] to average between the two methods
562    o pkg/atm_phys:
563      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
564        hold fixed in time).
565    
566    checkpoint65r (2015/12/21)
567    o pkg/seaice:
568        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
569        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
570    o pkg/seaice:
571      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
572        when SEAICEscaleSurfStress=.TRUE.,
573      - apply areaW and areaS in S/R seaice_calc_lhs
574    o pkg/atm_phys:
575      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
576        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
577        for individual contribution (convection, LSC cond, radiation)
578      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
579        information); activated with: solar_exponent=0. and wv_exponent=-1.
580    o pkg/ggl90:
581      - within IDEMIX add upper limit for horizontal group velocity to
582        avoid instability problems in the explicit horizontal diffusion term for
583        long time steps or high resolution
584    o pkg/diagnostics:
585      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
586        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
587    o testreport:
588      - remove "-v" (verbose option) in default mpirun command.
589    o pkg/seaice/seaice_growth:
590      - catch potential division by zero in ITD code, does not change
591        verification results
592    o pkg/ecco:
593      - retire old codes to the Attic. The calls to retired functions are
594        left in a commented form in case they ever need to be re-activated.
595      - ecco_check.F: issue warning if any old CPP option is
596        defined that corresponds to retired codes -- then stop.
597    o pkg/atm_compon_interf:
598      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
599        coupler: use last time-step value instead of average over cplSendFrq_iter
600        time-step, similar to what is done for seaIceMass.
601        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
602    o eesupp & genmake2:
603      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
604        <= remove until a fix is found for some ifort version on ia32 machine.
605    o pkg/seaice/seaice_evp:
606      - refine residual computation
607    
608    checkpoint65q (2015/11/18)
609    o pkg/seaice/seaice_evp:
610      - fix residual computations so that they no longer affect the actual
611        simulation code
612      - fix seaice_readparams to be able to actually set new parameters
613        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
614    o model/src:
615      - fix wrong truncation (single prec) from "FLOAT" function in expressions
616        like: deltaT*FLOAT(myIter) when myIter is large:
617         a) replaced by DFLOAT (if not seen by TAF);
618         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
619    o pkg/aim_v23:
620      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
621        when pickupSuff is set ; do write rolling pickups + at the end of the run.
622    o pkg/atm_ocn_coupler + ocn_compon_interf:
623      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
624        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
625        add corresponding call in DO_OCEANIC_PHYS.
626    o coupler pkgs:
627      Start a new way to set-up optionally-exchanged variables (previously, only
628       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
629       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
630       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
631       compononent param default can be set accordingly).
632      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
633       but rather applies to a group a fields (going both ways like for DIC)
634       and corresponds to an option of coupling config.
635      coupler (pkg/atm_ocn_coupler):
636      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
637        and read namelist directly (without eessup S/R calls) instead of
638        in the very un-flexible old way, 1 param per line, in fixed order;
639      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
640        cleanly in CPL_CHECK_CPLCONFIG
641      - add new coupling-exchange selectors (some not yet active) including
642        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
643                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
644      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
645        component ; called directly from coupler.F, after comp. registrations;
646      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
647         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
648          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
649      components (pkg/atm_ & ocn_compon_interf):
650      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
651        CPP header file in all pkg source files.
652      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
653        ATM/OCN_CHECK_CPLCONFIG;
654      - add error-counter to track errors (e.g., in "data.cpl") and to stop
655        cleanly in ATM/OCN_CHECK_CPLCONFIG;
656      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
657        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
658        before PACKAGES_READPARMS;
659      verification/cpl_aim+ocn/:
660      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
661        "data.cpl" for coupler (in input_cpl).
662    o eesupp/inc:
663      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
664        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
665        to always cumulate tile local-sum in the same order (still uses
666        MPI_Allreduce like standard code).
667      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
668        that are now identical to standard version (in eesupp/inc).
669    o pkg/shelfice:
670      - add SHELFICETransCoeffTFile for initializing spatially varying
671        heat and salt transfer coefficients
672    o pkg/atm_compon_interf & ocn_compon_interf:
673      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
674        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
675      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
676    o pkg/atm_ocn_coupler:
677      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
678    o pkg/rbcs:
679      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
680        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
681      - add a short report (to STDOUT) about RBCS-mask settings.
682    
683    checkpoint65p (2015/10/23)
684    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
685        there is no adjoint test for EVP, we don't know what it does to the adjoint
686        solution, but at least there are no more recomputation warnings left
687    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
688        a chance of giving the same results as a fully converged VP (JFNK) solver
689    o tools/adjoint_options/adjoint_diva:
690      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
691    o pkg/streamice:
692      - spotted bug in streamice_driving_stress using dyG where should have been dxG
693    o pkg/exf:
694      - remove STOP statement that prevented to use wind or (wind-)stress
695        interpolation for constant-in-time forcing fields (wind/stress period = 0).
696    o pkg/seaice:
697      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
698        5 additionals 2D fields and 6 new store directives
699      - change logic in seaice_readparms.F: EVP code can now be turned on in
700        various ways, setting SEAICE_deltaTev is no longer required,
701        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
702        or SEAICEaEVPcoeff
703    o pkg/shelfice/shelfice_thermodynamics.F
704      - redefining uLoc/vLoc to u/v, instead of 2u/v
705    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
706      - this is an intermediate state of a truely converging EVP that has
707        the potential of outperforming implicit VP methods, I do not recommend
708        using it yet.
709      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
710        and all parameters are hardwired
711      - for convergence it still requires very smooth regularisations, that means,
712        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
713        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
714        specific averaging appears to be required, still subject to tuning
715      - still needs cleaning and I need to turn parameter into runtime parameters
716      - add code to compute and print residuals of iteration, compile with
717        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
718    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
719      that entered with r1.54 on Sep04, 2015, -> update results
720    
721    checkpoint65o (2015/09/14)
722    o pkg/mom_vecinv & mom_common:
723      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
724        called from there.
725      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
726        allows to use Vector-Invariant form in deep atmos and anelastic formulation
727    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
728      and Koenig-Beatty+Holland (2012)
729      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
730      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
731      - requires an extra input argument for S/R seaice_calc_viscosities
732      - tensileStrength's depth dependence is different from Itkin et al. (2015)
733        (to be changed and played with, for now exponential)
734    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
735      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
736        by AREA according to Connelly et al. (2004), JPO.
737      - For EVP and the LSR solver, the implicit part of the drag term is
738        the only non-zero term in the denominator when there is no ice (which
739        prevented running the model with zero ice-ocean drag). If
740        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
741        (or zero main diagonals BU/BV) which need to be caught. A practical
742        consequence is that for open water, the momentum equation reduce
743        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
744        they happen to be zero, often leading to a non-zero solution over
745        open water.
746    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
747        efficient EVP method.
748      - introduce area-weighted averages for e12 (analogously to
749        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
750        remain, but also changing the order of terms in the previous average
751        changed the results as much) -> update experiment
752      - add SEAICE_DELTA_SMOOTHREG code
753      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
754        TEM-code
755      - adjust loop bounds so that only required fields are computed
756      - add new averaging code for zetaZ/deltaZ (again similar to
757        seaice_calc_viscosities.F), inactive by default for now (will change
758        results again), but will replace old code eventually
759    o eesupp/src:
760      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
761        to always cumulate tile local-sum in the same order
762        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
763        Still uses MPI_Allreduce (like standard code) but on array of tiles
764        and should be faster than GLOBAL_SUM_SEND_RECV code.
765      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
766        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
767      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
768         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
769         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
770         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
771         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
772    
773    checkpoint65n (2015/07/29)
774    o pkg/thsice:
775      - add a warning when used with pkg/aim but without updating SST
776        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
777    o pkg/offline:
778      - change where Offline-Fields are loaded, from load_fields_driver.F to
779        directly within FORWARD_STEP, just after updating iter number and time;
780      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
781        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
782       These changes allow:
783        a) to recover exactly on-line results using deltaToffline=deltaTClock,
784        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
785        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
786        time-step, both with GM & KPP files and with recomputing these fields;
787        b) no needs to switch on staggerTimeStep anymore;
788        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
789      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
790    o pkg/offline:
791      - change (rarely used) offset-iteration parameter to an offset time (in s):
792        can easily recover previous offset-iter effect by setting offset-time
793        (offlineTimeOffset) to offset-iter x deltaToffline;
794      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
795        in KPP as part of surface buoyancy forcing) in offline run.
796      - fix ptracers KPP non-local term in the case where KPP is re-computed.
797    o OpenAD
798      - Adding preliminary ggl90 test to OpenAD verification.
799        Config. with ggl90 currently diverges after 64 time steps
800        so will need more work to become more stable
801      - Adding preliminary kpp test to OpenAD verification.
802        required small tweakes in kpp_routines.F
803      - Merge and update from Krishna Narayanan's contrib area:
804        * Add one variable for preliminary OpenAD DIVA
805        * Add replacement time-stepping for OpenAD DIVA
806        * genmake2 flag -diva (but only for OpenAD; preliminary)
807        * required modifs for OAD_support
808        successful preliminary test for tutorial_global_oce_biogeo/
809    o pkg/seaice:
810      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
811      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
812        delta with a smooth function in s/r seaice_calc_viscosity
813        (no effect on EVP)
814      - rename local suffix "sqr" into "sq" for more consistent variable names
815    o pkg/seaice:
816        add new parameter SEAICE_deltaMin that is used ***only***
817        for regularizing Delta (and nothing else, like the parameter
818        which is also used for all sorts of things SEAICE_EPS).
819        Defaults to SEAICE_EPS for backward compatibility only.
820    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
821        the wrong key by inialising it before use -> fixes a recomputation
822        problem but does not fix the gradient
823    o pkg/layers:
824      - move resetting of flux arrays to outside the iLa loop
825        (this caused layers_diapycnal to not work with more than one layer coord.)
826      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
827    o pkg/layers:
828      - remove from common block 3D layers fields (used to diagnose transport
829        in tracer coords) and declare them as local arrays in layers_calc.F
830    o pkg/seaice:
831      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
832        in lab_sea forward experiment (changes results -> updated)
833      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
834    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
835       computations; for SEAICE_VECTORIZE_LSR
836      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
837        sweep to the outside,
838      - remove store directives and add "CADJ loop sequential" directives
839        in analogy to model/src/solve_tridiagonal.F
840      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
841        boundaries to yield more readable code. This has also the charming side
842        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
843        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
844        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
845        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
846        an additional option)
847       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
848       but the adjoint gradients (which are affected by this change) still explode.
849    o coupler (atm & ocn _compon_interf):
850      - avoid using Exch2 IO mapping if not suitable.
851    
852    checkpoint65m (2015/06/15)
853    o pkg/layers:
854      - clean-up old parameters setting (from Sep 2012):
855        + remove old parameters setting from common block (declared locally);
856        + stop if any old parameter is mixed with new parameters;
857        + check for valid or consistent parameter setting (e.g., layers_name)
858      - check that layers_bounds for Pot.Density are in the right range;
859        this is supposed to catch un-updated setting after recently shifting
860        potential density field "prho" by -1000 (now in "sigma" scale).
861    o pkg/layers:
862      - Added missing call to layers_fill for keeping track of tottend in
863        pkg/diagnostics/diagnostics_fill_state.F
864    o pkg/layers:
865      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
866        of diapycnal fluxes
867    o pkg/layers:
868      - reverted changes to interpolation to previous treatment; there
869        was never actually a problem
870    o pkg/layers:
871      - fix interpolation of layers tracers in the presence of partial cells
872      - add lots of new functionality to compute water mass transformation
873        (enabled by CPP flag LAYERS_THERMODYNAMICS)
874      - add new calls from main code (diags_oceanic_surf_flux.F,
875        thermodynamics.F, impldiff.F) and gad to save the necessary fields
876        for layers_thermodynamics calculations
877    o pkg/ptracers:
878      - add capability of stepping a passive tracer forward without advection
879        by setting PTRACERS_advScheme to 0.
880    o pkg/diagnostics:
881      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
882    o pkg/layers:
883      - shift potential density field "prho" by -1000 for density layer averaging so
884        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
885        Note that density bin boundaries (layers_bounds in data.layers) have
886        to be set accordingly (i.e., shifted, in sigma scale).
887    o pkg/layers:
888      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
889      - fix calculation of layer non-weighted velocity and layer probability
890      - add diagnostics for pot.density used for layer averaging
891    o pkg/seaice:
892      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
893        positiveness, modify a few comments and improve variable names,
894      - the changed computation of deltaC affects most seaice-related
895        experiments at the truncation level.
896        seaice_itd.thermo is affected by far the most, with
897        only 7 digits of agreement remaining; update experiments.
898    
899    checkpoint65l (2015/05/04)
900    o pkg/shelfice:
901      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
902        factor drKp1 to zero where it is negative (ie. do not use
903        SHELFICEBoundaryLayer if hFacC>1)
904      - the same for factor drLoc in shelfice_forcing.F
905    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
906        with modules in ptracers, when using testreport option "-small_f"
907    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
908      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
909    o verification/testreport
910      - add new option -small_f
911        with this option testreport first makes the target small_f (*.f files)
912        before running make (all). This is useful for explicit inlining when
913        all sources need to be full available.
914    o pkg/exf/exf_interp.F:
915        remove previous changes related to reverse (decreasing) input grids latitude
916    
917    checkpoint65k (2015/04/01)
918    o pkg/ecco:
919        fix missing cosphi initialization; use eccoiter in place of optimcycle;
920        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
921        instead of active read/write
922    o pkg/ctrl:
923        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
924        instead of active read/write.
925    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
926        return if .NOT.useAUTODIFF
927    o pkg/seaice: add CPP brackets (cost function related).
928    o model/src:
929        add useAUTODIFF run time switch.
930    o pkg/exf/exf_interp.F:
931        add code to allow input grids with latitude starting in the north (i.e. when
932        j=1 corresponds to northern edge of field); modify global_with_exf to test
933        this feature.
934  o verification/testreport:  o verification/testreport:
935    - replace "grep -A3" with POSIX conformal sed command, because there are    - replace "grep -A3" with POSIX conformal sed command, because there are
936      implementations of grep that cannot do contextual searches      implementations of grep that cannot do contextual searches
937    - replace "cat -n" by "nl" (two occurrences), because not all implementations    - replace "cat -n" by "nl" (two occurrences), because not all implementations
938      of "cat" have the option "-n"      of "cat" have the option "-n"
939  o model/src: add new file gsw_teos10.F that contains  o model/src:
940      3 functions, more or less a copy of the gsw_toolbox.f90 of the TEOS-10      add new file gsw_teos10.F that contains 3 functions, more or less a copy
941      fortran interface, that are used to convert from conservative to      of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
942      potential temperature. For now they are not called anywhere.      convert from conservative to potential temperature. For now they are not
943        called anywhere.
944  o pkg/ggl90: make "useIDEMIX" useful  o pkg/ggl90: make "useIDEMIX" useful
945    - re-organize code in s/r ggl90_calc a little to move computations that    - re-organize code in s/r ggl90_calc a little to move computations that
946      are different for idemix into separate loops (changes verification      are different for idemix into separate loops (changes verification
947      experiment idemix at truncation level, 12 digits remain -> updated)      experiment idemix at truncation level, 12 digits remain -> updated)
948    - requires 2 new 2D fields KappaM, verticalShear    - requires 2 new 2D fields KappaM, verticalShear
949    - make hFacI and recip_hFacI local 3D variables that are passed to    - make hFacI and recip_hFacI local 3D variables that are passed to
# Line 170  o model/src & mom pkgs: Line 1098  o model/src & mom pkgs:
1098      just copy level Nr value to level Nr+1.      just copy level Nr value to level Nr+1.
1099  o doc:  o doc:
1100    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
1101  o pkg/streamice:  o pkg/shelfice:
1102    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
1103      SHELFICE.h: move array shelficemass to init_varia, initialise      SHELFICE.h: move array shelficemass to init_varia, initialise
1104      from array shelficemassinit, which is set in init_fixed and      from array shelficemassinit, which is set in init_fixed and

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