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revision 1.2107 by jmc, Wed Dec 17 17:58:39 2014 UTC revision 1.2314 by jmc, Tue Mar 14 15:35:02 2017 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint66e (2017/03/14)
8    o pkg/exf:
9      - interpolation with #undef EXF_INTERP_USE_DYNALLOC: move buffer size
10        definition outside EXF_PARAM.h in new header file: EXF_INTERP_SIZE.h;
11        use fixed size buffer (passed to S/R EXF_INTERP & EXF_INTERP_UV) to
12        avoid any dynamic allocation ;
13      - S/R EXF_CHECK: add new check & stop when file-name is defined but not
14        read-in ; add warning when file is read-in but not used within pkg/exf ;
15        + check for buffer-size (if #undef EXF_INTERP_USE_DYNALLOC).
16      - update exf_summary.F (print {FLD}RepCycle).
17    o verification/global_with_exf:
18      - switch on exf interpolation in AD test (just like the forward test)
19    o pkg/mom_vecinv:
20      - add storage directives to avoid recomputations within mom_vecinv.F
21        which were generating seg. fault with gfortran -devel
22    o pkg/ctrl, pkg/smooth:
23      - initialize array halos which were generating seg. fault with
24        gfortran -devel in adjoint mode
25    o pkg/exf:
26      - for each input field, enable to specify a field specific repeat-cycle
27        ({FLD}RepCycle) which defaults to pkg/exf main "repeatPeriod".
28    o verification/lab_sea:
29      - update AD results of primary test and noseaicedyn test after switching
30        to new version of TAF (5.3.13 vs 5.3.2 before); agreement with gradient
31        check stays about the same.
32    o pkg/exf:
33      - fix bug in exf_zenithangle.F for cases select_ZenAlbedo > 0 with useCAL=T.
34      - exf_check: MAX_LAT_INC need only be "loc_nlat-1", not equal to loc_nlat
35    o pkg/bling, USE_EXFCO2 code:
36      - add parameter "apco2RepCycle" (set to pkg/exf "repeatPeriod" by default);
37      - update calls to EXF S/R (use new version: EXF_INIT_FLD & EXF_SET_FLD).
38    o pkg/exf:
39      - rename S/R EXF_INIT to EXF_INIT_VARIA ;
40      - add arguments: fldName (for debug msg) and fldRepeatCycle (set to
41        repeatPeriod) to S/R EXF_SET_UV and to S/R EXF_SET_GEN (renamed EXF_SET_FLD)
42        and update calls in pkg/exf calling S/R (exf_getffields.F & exf_getclim.F) ;
43      - add argument: fldName (for debug msg) to S/R EXF_INIT_GEN (renamed
44        EXF_INIT_FLD) and update calls in exf_init_varia.F
45      - For now, for backward compatibility, keep a simplified version of S/Rs
46        EXF_SET_GEN & EXF_INIT_GEN in file exf_set_gen.F
47      - add and pass new arguments: fldName (for debug msg) and fldRepeatCycle
48        to S/R EXF_GetFFieldRec ; update calls in pkg/obcs/obcs_exf_load.F
49    o tools/genmake2:
50      - replace "bc -l" (only used once) by "expr" (already used).
51    o verification/global_ocean.cs32x15:
52      - turn off pkg/cal (useCAL=F) in secondary FWD exp. "icedyn".
53        Note: exf setting (data.exf) can be compared to other exf secondary exp
54        "seaice" (kept with useCAL=T) which has same time dependent forcing.
55    
56    checkpoint66d (2017/02/13)
57    o pkg/exf:
58      - remove setting of useCAL=T when using pkg/exf (useEXF=T); add warning
59        early on (in packages_boot.F) to stress this change in pkg setting.
60      - In (most) verification exp. that use pkg/exf, add useCAL=.TRUE. to data.pkg
61    o model/src:
62      - move call to ecco_phys to end of time step; this may induce minor
63        cost function changes by shifting time averages by one time step
64        for some variables; this revision resulted in changed adjoint results
65        in MITgcm_contrib/verification_other/global_oce_cs32
66    o pkg/exf:
67      - Change EXF_READ_EVAP to only activate code within #ifdef ALLOW_ATM_TEMP ;
68        this prevents to read evap when ALLOW_ATM_TEMP is undef and other fields,
69        e.g. precip, are not available.
70    o pkg/flt:
71      - flt_init_varia.F: use pickupSuff if specified
72      - add code (within #ifdef DEVEL_FLT_EXCH2) and test case as a first,
73        intermediate, step towards completing pkg/exch2 support within pkg/flt;
74        ifdef DEVEL_FLT_EXCH2 then:
75        - flt_init_fixed.F: comment out stop
76        - flt_exch2.F: conserve ipart, jpart (grid coordinates)
77        - exch2_recv_get_vec.F: transform ipart, jpart (grid coordinates)
78        - flt_mapping.F: attempt to fix longitude diagnostic near date-line
79        - flt_init_varia.F: hack initialization (for testing purposes w. LLC90)
80    o tools/genmake2 & pkg/pkg_depend:
81      - define new type of pkg dependency rule ("=pkg_x"), less strict than
82        the "+" rule, that add the dependent pkg (pkg_x) unless it's disabled
83        (-pkg_x in packages.conf).
84      - change pkg/exf dependency rule from "exf +cal" to "exf =cal";
85      - add "+cal" to dependency list of pkg/ecco (needed to compile).
86      - simplify FWD experiment "offline_exf_seaice" by removing pkg/cal.
87    o utils/matlab:
88      - adding ocean_basin routines for defining basin masks.
89    o pkg/exf:
90      - new S/R EXF_GETFFIELD_START replacing EXF_GETFIELD_START, but with more
91        arguments, allowing to check (and stop) if parameter setting of
92         {FLD}startdate1 & date2 and of {FLD}StartTime are consistent with
93        useCAL= T or F. For now, kept a simplified version of EXF_GETFIELD_START
94        for backward compatibility.
95      - change accordingly calls in exf_init_fixed.F + default {FLD}StartTime in
96        exf_readparms.F ; apply same changes to pkg/icefront (for SGRunOff field).
97    o pkg/bling (USE_EXFCO2 code):
98      - fix missing setting of apco2StartTime according to apco2startdate1 & date2
99        by adding a call to S/R EXF_GETFFIELD_START.
100    o pkg/exf:
101      - allows to compile without pkg/cal (but disabled by current dependency
102        rules, i.e., default "pkg/pkg_depend"). Minimal changes to enable to
103        run with useCAL=F ; this involves setting directly {FLD}StartTime instead
104        of {FLD}startdate1 & date2 ; consistency check not yet coded.
105    o verification/global_ocean.cs32x15:
106      - fix all data.exf for a shift of 1 day in all field startdate1 so that it now
107        corresponds to middle of 1rst month; update outputs (2 fwd + 3 adm + 3 tlm).
108    o pkg/exf:
109      - allow to use EXF_ZENITHANGLE without pkg/cal + simplify (saving some
110        calculations); change FWD experiment global_ocean.cs32x15
111        (#define ALLOW_ZENITHANGLE) to test/check that this code compiles.
112    o pkg/exf:
113      - In preparation for addition to NAMELIST, rename internal (_RL) parameter
114         {FIELD}startdate to {FIELD}StartTime
115        Note: new name also fit better the content, i.e, a start time in second.
116    o eesupp/src:
117      - add 1 argument to S/R EEBOOT & EEBOOT_MINIMAL for interface with ESMF
118    o pkg/exf:
119      - add option ALLOW_READ_TURBFLUXES (and corresponding set of parameters)
120        to allow to read-in Sensible & Latent Heat flux ;
121      - simplify pkg/exf main options:
122        1) move small piece of code (case ALLOW_ATM_TEMP undef) out of
123           exf_bulkformulae.F into exf_wind.F so that exf_bulkformulae.F is
124           compiled only when both ALLOW_ATM_TEMP & ALLOW_BULKFORMULAE are defined;
125        2) make call to EXF_RADIATION and to EXF_WIND independent of CPP option
126           ALLOW_BULKFORMULAE which now only applies to S/R EXF_BULKFORMULAE ;
127        3) improve options documentation in EXF_OPTIONS.h.
128    o pkg/ecco:
129      - cost_gencost_customize.F,ecco.h,ecco_phys.F,ecco_readparms.F, and
130        ecco_summary.F: add passive tracer cost functions to gencost;
131        m_ptracer and m_boxmean_ptracer
132    o pkg/ctrl:
133      - ctrl_map_forcing.F: pass myIter and myTime to ctrl_map_forcing as input
134        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing; add to list
135        of implemented gentim2d contol parameters: xx_qnet, xx_empmr, xx_qsw,
136        xx_sst, xx_sss, xx_pload, xx_saltflux, xx_fu, xx_fv, xx_fe, xx_fn
137    o model/src:
138      - forward_step.F: pass myIter and myTime to ctrl_map_forcing as input
139        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing
140    o pkg/exf:
141      - exf_getffields.F: add to list of implemented gentim2d contol parameters:
142        xx_lwflux, xx_swflux, xx_evap, xx_apressure, xx_areamask
143    
144    checkpoint66c (2017/01/19)
145    o verification:
146      - add new option "-src" to testreport to only produce source code (*.f),
147        including taf output src code (if using '-adm'/'-tlm' option).
148    o pkg/exf:
149      - add saltflx :: Net upward salt flux in psu.kg/m^2/s
150    o pkg/diagnostics:
151      - add run-time variable diagMdsDir to specify a subdirectory for
152        diagnostic output when mds is being used and mdsioLocalDir is not.
153    o pkg/mnc:
154      - mnc_utils.F: edit stop message
155    o pkg/autodiff:
156      - autodiff_ini_model_io.F: PRINT_MESSAGE, clean-up comments, add _*_MASTER,
157        add HAVE_SYSTEM bracket around system call to mkdir
158    o pkg/profiles:
159      - profiles_findunit.F, profiles_init_fixed.F, profiles_interp.F,
160        profiles_readparms.F: call ALL_PROC_DIE before 'stop'
161      - profiles_ini_io.F: use PRINT_MESSAGE, clean-up comments, add _*_MASTER,
162        add HAVE_SYSTEM bracket around system call to mkdir
163    o pkg/smooth:
164      - smooth_filtervar2d.F, smooth_filtervar3d.F: call ALL_PROC_DIE before 'stop'
165      - smooth_init2d.F, smooth_init3d.F: move print statements to readparms
166      - smooth_readparms.F: add cleaner print statements from smooth_init?d.F
167    o pkg/exf:
168      - check: count errors and stop cleanly at the end (call to ALL_PROC_DIE);
169        issue error message when climsst_interpMethod.GT.0 and climsst_lon_inc > 500
170        generalize tests on interpMethod, nlat, and lon_inc to all exf variables.
171      - summary: skip detailed field report if not used (empty file-name).
172    o tools/xmakedepend:
173      - In case line editor "ed" is missing, switch to "sed" command to clean-up
174        Makefile from previous dependencies (anything after "# DO NOT DELETE" line).
175    o pkg/exf:
176      - change definition of "hflux" input file to always include Short-Wave;
177        this is now consistent with hflux computation (if using bulk-formulae)
178        and hflux diagnostic & documentation (in EXF_FIELDS.h).
179    
180    checkpoint66b (2016/12/01)
181    o model & momentum pkgs:
182      - implement fully implicit bottom friction combined with implicit surf.
183        pressure, for now, only in hydrostic formulation:
184        + to use: compile with #define ALLOW_SOLVE4_PS_AND_DRAG in CPP_OPTIONS.h
185          and run with selectImplicitDrag=2 ;
186        + currently missing diagnostics of bottom drag and vert. viscosity tendency;
187      - partial implicit time-stepping (bot. friction + vert. visc first, then
188        surf. press) corresponding to selectImplicitDrag=1 should be applicable
189        to NH formulation but not available until we solve for surf. pressure
190        increment (instead of full etaN).
191      - change exp. global_ocean.cs32x15.thsice to test implicit bottom drag
192        with implicit vertical viscosity.
193    o pkg/seaice: add linear remapping scheme (Lipscomb 2001) to ITD model
194      - this is a first version that includes many regularisations that may
195        not all be necessary, to be sorted out,
196      - turned on by runtime parameter SEAICEuseLinRemapITD (true by default)
197      - change one verification experiment in seaice_itd to use and test new code
198      - seaice_growth: catch a case where the argument of log can be zero
199        or smaller (important for code stability)
200    o model/src:
201      - modify SOLVE_DIAGONAL_LOWMEMORY version of solve_tridiagonal.F
202        & solve_pentadiagonal.F to enable to re-used inverse matrix for solving
203        similar A.X'=Y' system (with same matrix A) in subsequent calls;
204        switch based on errCode (In/Out) argument value; in calling routines,
205        initialise errCode before first call.
206    
207    checkpoint66a (2016/10/18)
208    o pkg/bling:
209      - BLING package now loads in atmospheric pCO2 file using exf package routines
210        Enable with #define USE_EXFCO2 in BLING_OPTIONS.h
211    o model/src & pkg/ptracers:
212      - with INCLUDE_IMPLVERTADV_CODE defined, also call MOM_U,V_IMPLICIT_R &
213        GAD_IMPLICIT_R (instead of IMPLDIFF) when just implicitViscosity and
214        implicitDiffusion (respectively) are used (even without momImplVertAdv
215        or temp,salt,PTRACERS_ImplVertAdv).
216    o model/src & generic_advdiff:
217      - add parenthesis in main diagonal calculation of implicit vertical
218        diffusion matrix (impldiff.F & gad_implicit_r.F).
219        This affects results at machine truncation level; update output of many
220        verification experiments (31 fwd ; 10 adm ; 8 tlm ; 3 oad).
221    o pkg/mom_commom & generic_advdiff:
222      - add deep atmosphere and anelastic scaling factor in implicit vertical
223        advection routines (mom_u,v_implicit_r.F & gad*_impl*_r.F).
224    o model/src:
225      - remove few unnecessary temp array copies in solve_tridiagonal.F
226        & solve_pentadiagonal.F
227    
228    checkpoint65z (2016/09/28)
229    o pkg/seaice: fix multithreading for seaice_fgmres.F
230      - remove unecessary variables from common blocks
231      - use extra dimension MAX_NO_THREADS for all variables of the Krylov space
232        basis, that are stored in commom blocks (including integer variable i1)
233      - clean up code a little by removing commented lines that refer to
234        original code
235      - turn on multi-threaded test for experiment offline_exf_seaice.dyn_jfnk.
236    o MITgcm manual:
237      - add uptodate pkg/ecco documentation to the manual (section 8.1; ecco.tex),
238        preliminary documentation for generic controls (8.3; ctrl.tex),
239        a placeholder for smooth (8.4; smooth.tex), and comment out the deprecated
240        ecco_costfunction.tex
241    o pkg/ecco:
242      - update and cleanup list of CCP options
243      - re-assign gencost_mask to specify masks rather than gencost_errfile; 'c'
244        is now always passed to cost_generic; gencost_mask is now MAX_LEN_FNAM
245      - add checks that retired run-time options are not used, and in relation
246        to gencost_mask and gencost_errfile
247      - finish deprecating gencost_scalefile, gencost_smooth2Ddiffnbt, and
248        gencost_nrecperiod
249      - fix m_eta computation for virtual salt flux case
250      - add m_horflux_vol case (selected via gencost_barfile) that computes
251        transports via cost_gencost_boxmean (gencost_flag=-3)
252      - use gencost_flag more systematically (i.e., avoid using gencost_name)
253        for code switches (aside from physical variable selection)
254    o pkg/seaice: make seaice_fgmres.F fit for multithreading; this first
255      attempt appears to be a bit of a hack and my need some repair down the road
256    o pkg/exf:
257      - interpolation near South Pole: fix criteria on input field latitude.
258    o pkg/icefront & pkg/exf:
259      - move setting of icefront Sub-Glacial RunOff forcing (currently unused)
260        from pkg/exf (read from data.exf) to pkg/icefront (read from data.icefront)
261    o pkg/exf:
262      - replace CPP option ALLOW_EXF_OUTPUT_INTERP with run-time parameter
263        "exf_output_interp" (in namelist: EXF_NML_04); change output file name
264        (add suffix "_out" instead of a prefix); keep same record number as in
265        input file but always write record 1 first (to avoid a STOP in I/O S/R).
266        Change output file content by writing interpolated field before applying
267        land-sea mask (helpful for debug).
268      - 2 compon. vector interpolation with rotation: apply scaling factor on
269        each compon. (Eastward and Northward) just before rotation.
270    o pkg/bling:
271      - Cleaned package. Removed not needed code and comments.
272      - adjoint example now works
273        (MITgcm_contrib/verification_other/global_oce_biogeo_bling/code_ad)
274    o pkg/ptracers:
275      - add Bruno Deremble's code to complete the linear surface correction
276        for tracer conservation;
277      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
278    
279    checkpoint65y (2016/07/29)
280    o pkg/debug (stats):
281      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
282        proc/thread mapping);
283      - fix Min & Max for case where 1 thread has only empty tiles;
284      - use RL variable to count number of wet grid points (with big domain,
285        can be too large to fit into integer*4).
286    o pkg/monitor:
287      - use RL variable to count number of wet grid points (but used only for del2)
288      - add new routine to compute Advective CFL within tracer time-stepping with
289        writing delayed until next monitor output.
290    o pkg/obcs:
291      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
292    o pkg/cal:
293      - calandar-dump: treat case myTime < timePhase in the same way as in
294        eesupp/src/diff_phase_multiple.F (when not using calandar-dump).
295    o pkg/dic & seaice:
296      - fix compilation of ocean component for coupled atm+ocn model with
297        seaice dynamics & dic.
298    
299    checkpoint65x (2016/06/11)
300    o add a license text file in main MITgcm tree.
301    o added pkg/bling:
302      - intermediate complexity biogeochemical model
303      - see bling_description.txt for details
304      - verification experiment is global_oce_biogeo_bling (for now, in
305        Contrib/verification_other/); tested daily on baudelaire with gfortran.
306      - add entry point in pkg/gchem for new pkg "bling".
307    o pkg/seaice: fix tensile stength computation
308      - replace global field tensileStrength by tensileStrFac
309      - tensileStrFac can be computed once in S/R seaice_init_varia
310      - fortunately that does not affect any verification results
311    
312    checkpoint65w (2016/05/12)
313    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
314         with ECCO_CTRL_DEPRECATED defined
315    o verification/global_ocean.cs32x15:
316      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
317        with "selectNHfreeSurf=1".
318    o model/src (non-hydrostatic free-surface):
319      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
320        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
321      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
322        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
323        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
324        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
325      - Update output (changes at machine truncation level) of verification exp:
326        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
327        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
328    o pkg/seaice: ITD code
329      - fix picking up from a single category model by initialising
330        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
331      - split a long warning message in seaice_check_pickup.F into two lines,
332        because NEC SX-ACE cannot deal with the long line.
333    o model/src:
334      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
335    o pkg/seaice:
336      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
337    o pkg/seaice:
338      - add basal stress as parameterisation for grounding ice
339        following Lemieux et al. (2015)
340      - turn on by setting new parameter SEAICEbasalDragK2 to a value
341        larger than 0. Lemieux et al. (2015) recommend 15.
342      - The adjoint complains with extra recomputations so there is also a
343        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
344        order to postpone the problem
345      - compile the new code in lab_sea
346    o verification/halfpipe_streamice:
347      - update both TAF and OpenAD adm output (machine truncation differences)
348    
349    checkpoint65v (2016/04/08)
350    o verification/advect_xz:
351      - increase overlap size from 3 to 4 and add new secondary test for PQM
352        advection scheme (with mono & wino limiter).
353      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
354    o model/src:
355      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
356        added phi0Ref) to set vertical axis origin and phiRef origin;
357        keep Ro_SeaLevel for backward compatibility (with a warning).
358       According to coordinate and fluid type:
359        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
360        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
361        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
362        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
363      - remove Ro_SeaLevel from ATM experiment parameter files;
364      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
365        complement; update output.txt (changes at machine truncation level).
366    o pkg/seaice/seaice_evp.F
367      - simplify computation of deltaZ and zetaZ to simple averaging following
368        Bouillon et al. (2013). This removes a lot of code, but also changes
369        verification experiment lab_sea.hb87 -> updated
370    
371    checkpoint65u (2016/03/14)
372    o pkg/generic_advdiff:
373      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
374        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
375        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
376        testing and not for actual use.
377    o model/src:
378      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
379        origin r = rF(1);
380      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
381        in EOS for height coordinate: enable to include NH Pressure or to use
382        more accurate pressure vertical profile; options not linked to EOS type
383        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
384      - start to implement variable gravity (along vertical): for now, only with
385        z-coords (not even z*).
386      - add Ideal Gas equation of state for height coordinate.
387      - update OpenAD output (affected at machine truncation level) of exp:
388        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
389    o pkg/exf:
390      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
391        of exf interpolation (before any rescaling, rotation or interpolation
392        to velocity point) for each field that gets loaded from file. This option
393        identically mimics the input file organization (e.g. record numbers in year
394        by year input files) besides the change in horizontal grid.
395      - add rotateStressOnAgrid run-time switch so that wind stress fields
396        can be provided on the A-grid in zonal/meridional direction and
397        rotated on the fly. This only applies to the case when the exf
398        interpolation is off and rotateStressOnAgrid is false by default.
399    o model/src:
400      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
401        it's also used with pkg/atm_phys) and add few more parameters (but still
402        inactive, src code yet to come)
403    
404    checkpoint65t (2016/02/10)
405    o pkg/atm_phys:
406      - from Ruth Geen: add optical depth dependence on CO2 concentration.
407    o model/src:
408      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
409        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
410        Update output of exp. deep_anelastic (changes at truncation level).
411    o tools:
412      - add a hack in "remove_comments_sed" (used only with TAF) for recent
413        version of OpenMPI (shipped with FC.23): comment out the new header
414        file "mpif-sizeof.h" which causes problems to TAF.
415    o pkg/seaice:
416      - change the termination criterion so that maxits (SEAICElinearIterMax)
417        has an effect
418      - unify iteration parameters for implicit solvers (JFNK and Picard)
419        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
420        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
421        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
422        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
423        SEAICEnonLinTol     replaces JFNKgamma_nonlin
424      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
425      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
426        use with SEAICEuseKrylov
427    o pkg/seaice/seaice_lsr.F
428        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
429        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
430        an effect.
431    o pkg/seaice: add two new parameters
432      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
433        parameter is not in any namelist)
434      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
435        a preconditioner for the non-linear Newton iteration of the JFNK
436        solver
437    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
438      affects some experiments at truncation level:
439      - global_ocean.cs32x15.icedyn (11 digits),
440      - global_ocean.cs32x15.seaice (11 digits),
441      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
442      - also update global_ocean.cs32x15 adjoint and tangent-linear results
443    o pkg/salt_plume & pkg/thsice:
444      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
445        connect salt_plume flux to ATM-OCN coupling pkgs interface:
446       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
447         export to coupler interface) even without compiling pkg/salt_plume ;
448       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
449         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
450    o pkg/dic:
451      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
452        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
453        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
454      - move also update with values from ATM-OCN Coupler in the same new S/R
455        (previously done in ocn_apply_import.F).
456    o tools/adjoint_options:
457      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
458        has been changed on Jan 14, 2016.
459    o pkg/ggl90:
460      - add alternative discretisation of vertical shear (off by default), to
461        compute the mean (@ grid-cell center) of vertical shear compon instead of
462        vertical shear of mean flow (@ grid-cell center).
463      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
464        results on adjacent faces of cubed-sphere grids; this fix the restart.
465    o pkg/atm_compon_interf:
466      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
467        pass last value, stored directly before export to CPL ;
468        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
469      - remove atmSLPr from pickup files (no longer needed for restart)
470    
471    checkpoint65s (2016/01/13)
472    o eesupp & genmake2:
473       - first check for Function ETIME and, if it fails, then check for subroutine
474         ETIME and consistent output; use the appropriate version in timers.F
475    o model/src:
476      - to check restart test, add option to apply EXCH to U,V earlier, just before
477        integr_continuity; turned off by default.
478    o pkg/dic:
479      - remove CPP option USE_ATMOSCO2 (not needed)
480    o tools/tst_2+2:
481      - try to ignore difference between +0 and -0 in binary file, causing test
482        to fail for no good reason.
483    o eesupp & genmake2:
484      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
485        but also check (in genmake2) that test runs and returns meaningful results.
486    o coupler pkgs:
487      Finish implementation of optionally-exchanged variable switches (started on
488       Nov 12) with addition of few more exchanged fields, including 2-way exchange
489       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
490       advection in OCN component; this requires sequential coupling.
491      coupler (pkg/atm_ocn_coupler):
492      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
493        routines (useful for debug).
494      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
495         flux, DIC fields) if corresponding switch is ON.
496      - add option to export RunOff to OCN (to use for DIC river input)
497      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
498      components (pkg/atm_ & ocn_compon_interf):
499      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
500        optionally exchanged fields; add a check & stop in cpl_readparms.F.
501        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
502        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
503      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
504        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
505      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
506      - hold in common block coupler optionally-exchanged variable switch
507        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
508      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
509        this is intended to replace the OCN cplFldtave.* output files (not updated
510        to contain new additional exchanged fields).
511    o pkg/dic:
512      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
513    o pkg/thsice:
514      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
515        and writing of thsice pickup files.
516    o pkg/atm_compon_interf:
517      - move all field individual export-call out of cpl_export_import_data.F
518        into new S/R ATM_EXPORT_FIELDS
519    o pkg/atm_compon_interf:
520      - store state variables (for now, only thSIce fields) just before beeing
521        exported (in cpl_export_import_data.F, like on ocean side) instead of from
522        atm_store_my_data.F like all exported fluxes.
523      - new version of pickup_cpl: write field names into meta file and read meta
524        file to find field postion in pickup. Also only write/read fields meeded for
525        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
526    o pkg/dic:
527      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
528    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
529        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
530        value can be from domain [0,1] to average between the two methods
531    o pkg/atm_phys:
532      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
533        hold fixed in time).
534    
535    checkpoint65r (2015/12/21)
536    o pkg/seaice:
537        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
538        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
539    o pkg/seaice:
540      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
541        when SEAICEscaleSurfStress=.TRUE.,
542      - apply areaW and areaS in S/R seaice_calc_lhs
543    o pkg/atm_phys:
544      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
545        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
546        for individual contribution (convection, LSC cond, radiation)
547      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
548        information); activated with: solar_exponent=0. and wv_exponent=-1.
549    o pkg/ggl90:
550      - within IDEMIX add upper limit for horizontal group velocity to
551        avoid instability problems in the explicit horizontal diffusion term for
552        long time steps or high resolution
553    o pkg/diagnostics:
554      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
555        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
556    o testreport:
557      - remove "-v" (verbose option) in default mpirun command.
558    o pkg/seaice/seaice_growth:
559      - catch potential division by zero in ITD code, does not change
560        verification results
561    o pkg/ecco:
562      - retire old codes to the Attic. The calls to retired functions are
563        left in a commented form in case they ever need to be re-activated.
564      - ecco_check.F: issue warning if any old CPP option is
565        defined that corresponds to retired codes -- then stop.
566    o pkg/atm_compon_interf:
567      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
568        coupler: use last time-step value instead of average over cplSendFrq_iter
569        time-step, similar to what is done for seaIceMass.
570        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
571    o eesupp & genmake2:
572      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
573        <= remove until a fix is found for some ifort version on ia32 machine.
574    o pkg/seaice/seaice_evp:
575      - refine residual computation
576    
577    checkpoint65q (2015/11/18)
578    o pkg/seaice/seaice_evp:
579      - fix residual computations so that they no longer affect the actual
580        simulation code
581      - fix seaice_readparams to be able to actually set new parameters
582        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
583    o model/src:
584      - fix wrong truncation (single prec) from "FLOAT" function in expressions
585        like: deltaT*FLOAT(myIter) when myIter is large:
586         a) replaced by DFLOAT (if not seen by TAF);
587         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
588    o pkg/aim_v23:
589      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
590        when pickupSuff is set ; do write rolling pickups + at the end of the run.
591    o pkg/atm_ocn_coupler + ocn_compon_interf:
592      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
593        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
594        add corresponding call in DO_OCEANIC_PHYS.
595    o coupler pkgs:
596      Start a new way to set-up optionally-exchanged variables (previously, only
597       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
598       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
599       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
600       compononent param default can be set accordingly).
601      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
602       but rather applies to a group a fields (going both ways like for DIC)
603       and corresponds to an option of coupling config.
604      coupler (pkg/atm_ocn_coupler):
605      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
606        and read namelist directly (without eessup S/R calls) instead of
607        in the very un-flexible old way, 1 param per line, in fixed order;
608      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
609        cleanly in CPL_CHECK_CPLCONFIG
610      - add new coupling-exchange selectors (some not yet active) including
611        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
612                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
613      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
614        component ; called directly from coupler.F, after comp. registrations;
615      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
616         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
617          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
618      components (pkg/atm_ & ocn_compon_interf):
619      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
620        CPP header file in all pkg source files.
621      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
622        ATM/OCN_CHECK_CPLCONFIG;
623      - add error-counter to track errors (e.g., in "data.cpl") and to stop
624        cleanly in ATM/OCN_CHECK_CPLCONFIG;
625      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
626        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
627        before PACKAGES_READPARMS;
628      verification/cpl_aim+ocn/:
629      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
630        "data.cpl" for coupler (in input_cpl).
631    o eesupp/inc:
632      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
633        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
634        to always cumulate tile local-sum in the same order (still uses
635        MPI_Allreduce like standard code).
636      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
637        that are now identical to standard version (in eesupp/inc).
638    o pkg/shelfice:
639      - add SHELFICETransCoeffTFile for initializing spatially varying
640        heat and salt transfer coefficients
641    o pkg/atm_compon_interf & ocn_compon_interf:
642      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
643        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
644      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
645    o pkg/atm_ocn_coupler:
646      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
647    o pkg/rbcs:
648      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
649        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
650      - add a short report (to STDOUT) about RBCS-mask settings.
651    
652    checkpoint65p (2015/10/23)
653    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
654        there is no adjoint test for EVP, we don't know what it does to the adjoint
655        solution, but at least there are no more recomputation warnings left
656    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
657        a chance of giving the same results as a fully converged VP (JFNK) solver
658    o tools/adjoint_options/adjoint_diva:
659      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
660    o pkg/streamice:
661      - spotted bug in streamice_driving_stress using dyG where should have been dxG
662    o pkg/exf:
663      - remove STOP statement that prevented to use wind or (wind-)stress
664        interpolation for constant-in-time forcing fields (wind/stress period = 0).
665    o pkg/seaice:
666      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
667        5 additionals 2D fields and 6 new store directives
668      - change logic in seaice_readparms.F: EVP code can now be turned on in
669        various ways, setting SEAICE_deltaTev is no longer required,
670        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
671        or SEAICEaEVPcoeff
672    o pkg/shelfice/shelfice_thermodynamics.F
673      - redefining uLoc/vLoc to u/v, instead of 2u/v
674    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
675      - this is an intermediate state of a truely converging EVP that has
676        the potential of outperforming implicit VP methods, I do not recommend
677        using it yet.
678      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
679        and all parameters are hardwired
680      - for convergence it still requires very smooth regularisations, that means,
681        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
682        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
683        specific averaging appears to be required, still subject to tuning
684      - still needs cleaning and I need to turn parameter into runtime parameters
685      - add code to compute and print residuals of iteration, compile with
686        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
687    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
688      that entered with r1.54 on Sep04, 2015, -> update results
689    
690    checkpoint65o (2015/09/14)
691    o pkg/mom_vecinv & mom_common:
692      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
693        called from there.
694      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
695        allows to use Vector-Invariant form in deep atmos and anelastic formulation
696    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
697      and Koenig-Beatty+Holland (2012)
698      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
699      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
700      - requires an extra input argument for S/R seaice_calc_viscosities
701      - tensileStrength's depth dependence is different from Itkin et al. (2015)
702        (to be changed and played with, for now exponential)
703    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
704      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
705        by AREA according to Connelly et al. (2004), JPO.
706      - For EVP and the LSR solver, the implicit part of the drag term is
707        the only non-zero term in the denominator when there is no ice (which
708        prevented running the model with zero ice-ocean drag). If
709        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
710        (or zero main diagonals BU/BV) which need to be caught. A practical
711        consequence is that for open water, the momentum equation reduce
712        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
713        they happen to be zero, often leading to a non-zero solution over
714        open water.
715    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
716        efficient EVP method.
717      - introduce area-weighted averages for e12 (analogously to
718        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
719        remain, but also changing the order of terms in the previous average
720        changed the results as much) -> update experiment
721      - add SEAICE_DELTA_SMOOTHREG code
722      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
723        TEM-code
724      - adjust loop bounds so that only required fields are computed
725      - add new averaging code for zetaZ/deltaZ (again similar to
726        seaice_calc_viscosities.F), inactive by default for now (will change
727        results again), but will replace old code eventually
728    o eesupp/src:
729      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
730        to always cumulate tile local-sum in the same order
731        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
732        Still uses MPI_Allreduce (like standard code) but on array of tiles
733        and should be faster than GLOBAL_SUM_SEND_RECV code.
734      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
735        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
736      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
737         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
738         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
739         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
740         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
741    
742    checkpoint65n (2015/07/29)
743    o pkg/thsice:
744      - add a warning when used with pkg/aim but without updating SST
745        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
746    o pkg/offline:
747      - change where Offline-Fields are loaded, from load_fields_driver.F to
748        directly within FORWARD_STEP, just after updating iter number and time;
749      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
750        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
751       These changes allow:
752        a) to recover exactly on-line results using deltaToffline=deltaTClock,
753        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
754        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
755        time-step, both with GM & KPP files and with recomputing these fields;
756        b) no needs to switch on staggerTimeStep anymore;
757        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
758      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
759    o pkg/offline:
760      - change (rarely used) offset-iteration parameter to an offset time (in s):
761        can easily recover previous offset-iter effect by setting offset-time
762        (offlineTimeOffset) to offset-iter x deltaToffline;
763      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
764        in KPP as part of surface buoyancy forcing) in offline run.
765      - fix ptracers KPP non-local term in the case where KPP is re-computed.
766    o OpenAD
767      - Adding preliminary ggl90 test to OpenAD verification.
768        Config. with ggl90 currently diverges after 64 time steps
769        so will need more work to become more stable
770      - Adding preliminary kpp test to OpenAD verification.
771        required small tweakes in kpp_routines.F
772      - Merge and update from Krishna Narayanan's contrib area:
773        * Add one variable for preliminary OpenAD DIVA
774        * Add replacement time-stepping for OpenAD DIVA
775        * genmake2 flag -diva (but only for OpenAD; preliminary)
776        * required modifs for OAD_support
777        successful preliminary test for tutorial_global_oce_biogeo/
778    o pkg/seaice:
779      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
780      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
781        delta with a smooth function in s/r seaice_calc_viscosity
782        (no effect on EVP)
783      - rename local suffix "sqr" into "sq" for more consistent variable names
784    o pkg/seaice:
785        add new parameter SEAICE_deltaMin that is used ***only***
786        for regularizing Delta (and nothing else, like the parameter
787        which is also used for all sorts of things SEAICE_EPS).
788        Defaults to SEAICE_EPS for backward compatibility only.
789    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
790        the wrong key by inialising it before use -> fixes a recomputation
791        problem but does not fix the gradient
792    o pkg/layers:
793      - move resetting of flux arrays to outside the iLa loop
794        (this caused layers_diapycnal to not work with more than one layer coord.)
795      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
796    o pkg/layers:
797      - remove from common block 3D layers fields (used to diagnose transport
798        in tracer coords) and declare them as local arrays in layers_calc.F
799    o pkg/seaice:
800      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
801        in lab_sea forward experiment (changes results -> updated)
802      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
803    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
804       computations; for SEAICE_VECTORIZE_LSR
805      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
806        sweep to the outside,
807      - remove store directives and add "CADJ loop sequential" directives
808        in analogy to model/src/solve_tridiagonal.F
809      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
810        boundaries to yield more readable code. This has also the charming side
811        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
812        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
813        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
814        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
815        an additional option)
816       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
817       but the adjoint gradients (which are affected by this change) still explode.
818    o coupler (atm & ocn _compon_interf):
819      - avoid using Exch2 IO mapping if not suitable.
820    
821    checkpoint65m (2015/06/15)
822    o pkg/layers:
823      - clean-up old parameters setting (from Sep 2012):
824        + remove old parameters setting from common block (declared locally);
825        + stop if any old parameter is mixed with new parameters;
826        + check for valid or consistent parameter setting (e.g., layers_name)
827      - check that layers_bounds for Pot.Density are in the right range;
828        this is supposed to catch un-updated setting after recently shifting
829        potential density field "prho" by -1000 (now in "sigma" scale).
830    o pkg/layers:
831      - Added missing call to layers_fill for keeping track of tottend in
832        pkg/diagnostics/diagnostics_fill_state.F
833    o pkg/layers:
834      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
835        of diapycnal fluxes
836    o pkg/layers:
837      - reverted changes to interpolation to previous treatment; there
838        was never actually a problem
839    o pkg/layers:
840      - fix interpolation of layers tracers in the presence of partial cells
841      - add lots of new functionality to compute water mass transformation
842        (enabled by CPP flag LAYERS_THERMODYNAMICS)
843      - add new calls from main code (diags_oceanic_surf_flux.F,
844        thermodynamics.F, impldiff.F) and gad to save the necessary fields
845        for layers_thermodynamics calculations
846    o pkg/ptracers:
847      - add capability of stepping a passive tracer forward without advection
848        by setting PTRACERS_advScheme to 0.
849    o pkg/diagnostics:
850      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
851    o pkg/layers:
852      - shift potential density field "prho" by -1000 for density layer averaging so
853        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
854        Note that density bin boundaries (layers_bounds in data.layers) have
855        to be set accordingly (i.e., shifted, in sigma scale).
856    o pkg/layers:
857      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
858      - fix calculation of layer non-weighted velocity and layer probability
859      - add diagnostics for pot.density used for layer averaging
860    o pkg/seaice:
861      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
862        positiveness, modify a few comments and improve variable names,
863      - the changed computation of deltaC affects most seaice-related
864        experiments at the truncation level.
865        seaice_itd.thermo is affected by far the most, with
866        only 7 digits of agreement remaining; update experiments.
867    
868    checkpoint65l (2015/05/04)
869    o pkg/shelfice:
870      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
871        factor drKp1 to zero where it is negative (ie. do not use
872        SHELFICEBoundaryLayer if hFacC>1)
873      - the same for factor drLoc in shelfice_forcing.F
874    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
875        with modules in ptracers, when using testreport option "-small_f"
876    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
877      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
878    o verification/testreport
879      - add new option -small_f
880        with this option testreport first makes the target small_f (*.f files)
881        before running make (all). This is useful for explicit inlining when
882        all sources need to be full available.
883    o pkg/exf/exf_interp.F:
884        remove previous changes related to reverse (decreasing) input grids latitude
885    
886    checkpoint65k (2015/04/01)
887    o pkg/ecco:
888        fix missing cosphi initialization; use eccoiter in place of optimcycle;
889        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
890        instead of active read/write
891    o pkg/ctrl:
892        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
893        instead of active read/write.
894    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
895        return if .NOT.useAUTODIFF
896    o pkg/seaice: add CPP brackets (cost function related).
897    o model/src:
898        add useAUTODIFF run time switch.
899    o pkg/exf/exf_interp.F:
900        add code to allow input grids with latitude starting in the north (i.e. when
901        j=1 corresponds to northern edge of field); modify global_with_exf to test
902        this feature.
903    o verification/testreport:
904      - replace "grep -A3" with POSIX conformal sed command, because there are
905        implementations of grep that cannot do contextual searches
906      - replace "cat -n" by "nl" (two occurrences), because not all implementations
907        of "cat" have the option "-n"
908    o model/src:
909        add new file gsw_teos10.F that contains 3 functions, more or less a copy
910        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
911        convert from conservative to potential temperature. For now they are not
912        called anywhere.
913    o pkg/ggl90: make "useIDEMIX" useful
914      - re-organize code in s/r ggl90_calc a little to move computations that
915        are different for idemix into separate loops (changes verification
916        experiment idemix at truncation level, 12 digits remain -> updated)
917      - requires 2 new 2D fields KappaM, verticalShear
918      - make hFacI and recip_hFacI local 3D variables that are passed to
919        s/r ggl90_idemix
920      - fix and improve some comments
921    
922    checkpoint65j (2015/02/25)
923    o pkg/openad
924      - synchronize seawater.F with version in model/src: replace routine
925        body of sw_temp by calling sw_ptmp and fix/add a few comments.
926    o pkg/mnc:
927      - change default value of pickup_read/write_mnc params to FALSE
928        (since few features are missing in reading MNC pickup files).
929    o model/src:
930      - change default (background) vertical diffusivity for salt to be the
931        temperature (background) vertical diffusivity.
932      - change background vertical diffusivity in vertical mixing pkgs ggl90,
933        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
934        This makes ptracers default diffusivity (that uses salt diffKr) more
935        consistent with vertical mixing schemes.
936    o verification/testreport:
937      - fix typo in "-pcls" option ;
938      - put temp files in /tmp (instead of in local dir)
939      - add option "-ncad" to use genmake2 new option "-nocat4ad"
940      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
941    o pkg/ggl90 (idemix code):
942      - apply few fixes ; add some missing "_d 0" ; update output of exp.
943        global_ocean.90x40x15.idemix
944    o OpenAD
945      - enable active file I/O and begin removal of work-around code
946        for OpenAD for handling control variables (memory vs. active files)
947      - new CPP options file OPENAD_OPTIONS.h
948      - revert to genarr2d gradient check for hs94.1x64x5
949      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
950      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
951    o tools/genmake2:
952      - add option for an alternative Makefile (from Martin) where multiple
953        source files are sent to TAF (instead of all in one file).
954    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
955      - code provided by Carsten Eden as an extension of ggl90
956      - so far the code is turned on within ggl90 by setting a CPP-flag at
957        compile time; a runtime flag implementation is not yet complete
958      - tested in new verification experiment global_ocean.90x40x15.idemix
959    o verification:
960      - reduce length of the AD test run by half for experiments
961        global_ocean.cs32x15 (std + thsice) and isomip
962      - enable active file I/O for OpenAD, adjust verifications accordingly
963      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
964    o verification/testreport:
965      - fix two non-POSIX sed statements so that there are no error messages
966        on Mac OS X
967      - replace hostname -s with hostname | sed 's/\..*$//'
968    o model/src/seawater.F:
969      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
970        (following the matlab code), which would have avoided the bug caught
971        by Matt (see below) in the first place
972    o pkg/shelfice:
973      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
974        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
975      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
976        ice-shelf case (i.e., within surface level).
977      - add config summary in shelfice_check.F
978      - remove global variable recip_SHELFICElatentHeat and replace by a local
979        variable recip_latentHeat
980      - introduce diagnostics for friction velocity uStar (in case of
981        SHELFICEuseGammaFrict)
982      - change verification experiment isomip.htd:
983        + start from pickup (as input_ad at nIter0=8640)
984        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
985        + test SHELFICEuseGammaFrict = .TRUE.
986        + test SHELFICEadvDiffHeatFlux = .TRUE.
987    o model/src:
988      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
989        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
990        update output of experiments global_with_exf.yearly and isomip (all 6).
991    o pkg/shelfice:
992      - change setting of kTopC to also be zero where there is no ice-shelf.
993      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
994        ice-shelf is.
995      - first attempt to get RealFreshWaterFlux effects: for now, only without
996        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
997    o pkg/seaice: add the option to prescribe a fixed thickness PDF
998      for thermodynamic calculations
999      - because of divisions of the type 7/7 not exactly equal to 1, this change
1000        affects results of some verification experiments by up to 4 digits:
1001        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
1002        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
1003        adjoint: lab_sea, lab_sea.noseaicedyn
1004        -> updated
1005    
1006    checkpoint65i (2015/01/23)
1007    o model/src:
1008      - change units of frictionHeating field from W to W/m^2
1009      - fix bug in frictional heating from stratospheric drag in
1010        S/R ATM_PHYS_TENDENCY_APPLY_V
1011      - with synchronous time-stepping: move resetting to zero of frictionHeating
1012        field from load_fields_driver.F to thermodynamics.F ;
1013      - add diagnostics for frictional heating.
1014    o model/src & gmredi K3D:
1015      - add frictionHeating field to pickup-files (for synchronous time-stepping)
1016      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
1017      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
1018        and name in pickup file).
1019      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
1020    o model/src:
1021      - move (from ini_forcing.F) initialisation of all arrays in header file
1022        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
1023        (since Nov 2012) with option selectAddFluid=1.
1024    o pkg/shelfice:
1025      - change units (+ document) of newly added field "shelfIceMassDynTendency"
1026      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
1027    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
1028    o pkg/seaice: two new runtime parameters:
1029      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
1030        long overdue
1031      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
1032        parameterization of tensil stress for fast ice (does not do anything yet)
1033    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
1034        for LSR: move checking overlaps out of JFNK-if-block
1035    o pkg/atm_phys:
1036      - move copy of grid and dynamical fields out of atm_phys_driver.F into
1037        new S/R ATM_PHYS_DYN2PHYS.
1038      - fix level height for Linear Free-Surf case (to be consistent with
1039        fixed-in-time pressure levels).
1040    o pkg/mom_common (bottomdrag):
1041      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
1042        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
1043        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
1044    o pkg/shelfice (u/v_drag):
1045      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
1046      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
1047        (now similar to shelfice_u_drag.F)
1048      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
1049        from mom_vecinv.F (similar to mom_fluxform calls).
1050    o pkg/mom_common (bottomdrag):
1051      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
1052      - add options for alternative discretisation of velocity norm in quadratic
1053        bottom drag: averaging of grid-cell-center KE to U.point and V.point
1054        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
1055        improves when averaging only the other component (e.g. vVel for U bottom
1056        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
1057      - add options (bottomVisc_pCell) to account for partial-cell in bottom
1058        friction (no-slip BC) thus getting the true distance from the bottom;
1059        off by default since this also reduces model stability (explicit bottom
1060        friction). Changes produce different machine truncation with linear-drag
1061        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
1062        front_relax (bvp & mxl, 10 & 11 digits).
1063    o model/src & mom pkgs:
1064      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
1065        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
1066      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
1067        just copy level Nr value to level Nr+1.
1068    o doc:
1069      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
1070    o pkg/shelfice:
1071      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
1072        SHELFICE.h: move array shelficemass to init_varia, initialise
1073        from array shelficemassinit, which is set in init_fixed and
1074        has option to be set from file; introduce array
1075        shelficeMassDynTend array, set thru file in init_fixed
1076      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
1077        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
1078        pkg/streamice
1079      - shelfice_thermodynamics.F: call shelfice_step_icemass if
1080        SHELFICEMassStepping = .true.
1081      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
1082    
1083  checkpoint65h (2014/12/17)  checkpoint65h (2014/12/17)
1084  o verification/global_ocean.90x40x15, global_ocean_ebm:  o verification/global_ocean.90x40x15, global_ocean_ebm:
1085    - update to generic controls.    - update to generic controls.

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