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revision 1.2201 by mlosch, Tue Nov 17 16:12:02 2015 UTC revision 1.2364 by mlosch, Tue Dec 5 14:16:07 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/seaice/seaice_evp  o add another hook (S/R PDF_FINALIZE) for the Parallel Data Assimilation
8        Framework PDAF (http://pdaf.awi.de/) in the_main_loop.F
9    o pkg/autodiff:
10      - fix pkg/exf AD variable output (mainly ADJprecip), left from pkg/exf modif
11        on Jan 27, 2017. Try also to fix ADJrunoff and TLM output (but less clear).
12    o pkg/obcs:
13      - add simpler setting (single value) of OB indices for the case where
14        indices are uniform over the full section (Bruno Deremble contribution).
15    o pkg/rbcs:
16      - increase size of "relaxMaskFile" to read-in from namelist and save it
17        (+check) into new (renamed) "relaxMaskTrFile" array.
18    o model/src:
19      - option (interViscAr_pCell, interDiffKr_pCell) to account for true vertical
20        distance (including hFac) in vertical viscous flux and diffusive flux ;
21      - add option to increase vertical mixing (for both momentum and tracers)
22        near surface and/or bottom where partial cell is too thin ;
23      - for now, both additions above are within: #ifndef EXCLUDE_PCELL_MIX_CODE ;
24    
25    checkpoint66l (2017/10/24)
26    o pkg/kpp, ggl90 & ebm:
27      - read namelist without IOSTAT=errIO to force to stop if there is an error
28        in the parameter file namelist.
29    o pkg/cheapaml: major changes to relaxation coefficient setting:
30      - rename parameters cheapaml_taurelax & cheapaml_taurelaxocean (in days)
31        to cheap_tauRelax & cheap_tauRelaxOce (now in seconds);
32      - if using cheapMaskFile, set relaxation coeff to: cheapMask/tauRelax
33        (instead of 1/cheapMask over ocean and 1/tauRelax over land);
34      - with cheapMaskFile unset: set relaxation coeff according to land/ocean mask
35        (unchanged) but skip increase near domain edges for periodic domain (in X
36        or Y dir) when cheapamlX/Yperiodic=T ; also fix linear increase (over
37        Cheapaml_mask_width grid points) of coeff towards domain edges (previously
38        was increasing away from edges). Update output of experiment "cheapAML_box".
39    o pkg/cheapaml:
40      - move setting of (fixed in time) relaxation coefficient
41        from cheapaml_init_varia.F to cheapaml_init_fixed.F
42    o pkg/exf:
43      - add specific forcing field for tides to feed model new geopotential anomaly
44        forcing, for now within #ifdef EXF_ALLOW_TIDES.
45      - remove from common block unused params: exf_inscal_sst & exf_inscal_sss.
46    o model:
47      - add new 2-d forcing field for time-dependent geopotential anomaly (e.g.,
48        tidal forcing), in m^2/s^2 ; add run-time param to allow to turn it off.
49    o eesupp/src:
50      - shift standardMessageUnit in eeboot.F and I/O units in mdsfindunit.F
51        for coupling to GEOS AGCM: HACK_FOR_GMAO_CPL option in CPP_EEOPTIONS.h
52    
53    checkpoint66k (2017/09/20)
54    o model/src:
55      - add missing CPP brackets (ALLOW_COST, ALLOW_CTRL in load_fields_driver.F
56        and the_model_main.F)
57    o ctrl:
58      - use zeroRL in place of fc when ALLOW_COST is not compiled (in ctrl_pack.F)
59      - call MDS_READ_FIELD / MDS_WRITE_FIELD instead of deprecated
60        mdsreadfield / mdswritefield (in ctrl_get_gen.F, ctrl_map_ini_gen.F,
61        ctrl_map_ini_genarr.F, and ctrl_map_ini_gentim2d.F )
62    o eesupp:
63      - add CPP option to activate some pieces of code for coupling to GEOS AGCM;
64      - shift commonly used IO unit (in eeboot.F) for coupling to GEOS AGCM.
65    o pkg/bling:
66      - bling_production: Fix typo in calcium carbonate uptake. Also rearranging
67        and cleaning
68    o model/src:
69      - move k loop inside correction_step.F (+ update calling S/R)
70      - collect implicit pressure gradient tendencies in local 2-D array;
71        affect results (at machine truncation level) when using 3-D solver; update
72        output of exp.: exp4 (x1), global_ocean.cs32x15 (x2),hs94.cs-32x32x5.impIGW,
73                        rotating_tank, short_surf_wave,tutorial_deep_convection (x2)
74                        & tutorial_plume_on_slope.
75    
76    checkpoint66j (2017/08/15)
77    o pkg/ptracers:
78      - fix surface forcing under ice-shelf (useShelfIce=T).
79    o pkg/atm_phys:
80      - use hFac weighted average when applying A-grid atm-phys momentum tendency
81        to C-grid dynamics; this ensures wind-stress match mom tendency.
82    o eesupp/src:
83      - change default for opening scratch files to avoid STATUS='SCRATCH'
84      - close scratch files with STATUS='DELETE'
85      - changes affect eeset_parms.F and open_copy_data_file.F and many routines
86        that read namelists (because they close the scratch files)
87      - you can revert to old default by setting USE_FORTRAN_SCRATCH_FILES
88        in CPP_EEOPTIONS.h (tested in ideal_2D_oce/code & lab_sea/code_ad)
89    o pkg/atm_phys:
90      - fix unset arguments in (unused) S/R surface_flux_0d.
91    o eesupp/src:
92      - add argument "procId" to S/R EESET_PARMS to fix  scratchFile1 & 2 setting
93        (case TARGET_BGL or TARGET_CRAYXT) for early call (from eeboot_minimal.F):
94        called with myProcId in eeboot.F and with mpiMyWId in eeboot_minimal.F
95    o pkg/streamice:
96      - remove blank between _EXCH_XY_RL and "()", which my Apple Xcode
97        preprocessor /usr/bin/cpp cannot interpret; 3 instances in total in
98        streamice_driving_stress_fd.F and streamice_advect_2dtracer.F
99    o pkg/diagnostics:
100      - new option to allow to cumulate thickness-factor (hFac) weighted field
101        (if field permitted); implemented by changing sign of "jdiag" pointer
102        (> 0: cumlulate field, < 0: cumulate hFac weighted field).
103        a) restricted to 3-d (Nr levels), level centered diagnostics at U,V or Cell
104           center position (gcode(2)='U','V','M' & gcode(3,5,9:10)='R',' ','MR')
105        b) for now, activated by setting fileFlags 3rd character to 'h'.
106    
107    checkpoint66i (2017/07/18)
108    o pkg/cheapaml:
109      - add parameter "useRelativeWind", default set to False; this change the
110        previous setting which was always using relative wind.
111    o add hooks for the Parallel Data Assimilation Framework PDAF
112        (http://pdaf.awi.de/) in eeboot_minimal.F and the_main_loop.F;
113        to use set CPP-flag USE_PDAF in CPP_EEOPTIONS.h
114    o pkg/exf:
115      - interpolation of vector fields (exf_interp_uv.F): fix bug in calculation
116        of South-Pole mean value.  
117      - interpolation near the poles, case where second additional row is at the
118        pole (or beyond the pole and moved to the pole): change first addition row
119        value to a linear interpolation between pole and 1rst (S.pole)/last (N.pole)
120        row (instead of just a copy of it).
121    o pkg/seaice:
122      - prevent JFNK and KRYLOV solvers from trying to reduce a residual of 0
123      - add the option to compute no-slip du/dy, dv/dx (i.e.
124        the offdiagonal strain rate e12) by a second order approximation
125        on the boundary; works only with JFNK, KRYLOV, or EVP solvers, because
126        it is too messy to implement for the implicit LSR matrix.
127        SEAICE_2ndOrderBC = .FALSE. by default
128    
129    checkpoint66h (2017/06/02)
130    o pkg/seaice:
131      - add new routines to compute stress tensor components and stress tensor
132        divergence to be reused in s/r seaice_lsr and s/r seaice_calc_lhs
133      - change names of diagnostics SIsigI/II (commonly used for invariants)
134        to SIsig1/sig2 (more common for principal components) to avoid confusion
135    o pkf/exf:
136      - add a stop if useRelativeWind with un-updated uwind/vwind (e.g., constant);
137        similarly, stop if rotateStressOnAgrid with constant wind-stress.
138    o pkg/seaice:
139      - remove (comment out) diagnostics SIuwind,SIvwind,SIfu,SIfv (duplicate of
140        EXFuwind,EXFvwind,oceTAUX,oceTAUY) and point them to their equivalent.
141      - add diagnostics of wind-stress over seaice (SItaux,SItauy) and seaice
142        fraction weighted wind stress over ocean+seaice (SIatmTx,SIatmTy).
143    o pkg/diagnostics:
144      - small piece of code to rename (old) diagnostics, when namelist is processed.
145    o model/src:
146      - new run-time param (useMin4hFacEdges) to select method for setting hFacW,S:
147        originally, set as minimum of adjacent hFacC factor ; now (new default)
148        computed from rSurfW,S and rLowW,S by applying same rules as for hFacC.
149        Only matters when useShelfIce=T with particular ice-shelf cavity geometry.
150    o pkg/seaice:
151      - add momemtum advection, off by default, still in test phase
152        most of the momentum advection code is adapted and reused from mom_vecinv
153    o pkg/mom_vecinv:
154      - pass these runtime flags:
155        selectVortScheme, highOrderVorticity, upwindVorticity, useJamartMomAdv
156        as formal parameters to s/r mom_vi_u/v_coriolis, mom_vi_u/v_coriolis_c4,
157        so that these routines can also be used in pkg/seaice.
158    
159    checkpoint66g (2017/04/24)
160    o model/src:
161      - more robust ordering of column thickness integral (=Sum_k(drF*hFac) )
162        to get same expression (regarding machine truncation) in different places
163        in ini_masks_etc.F (e.g., rSurfC,W,S is now exactly zero when it should).
164        Update forward output of experiments: global_ocean.cs32x15 (all 5 except
165        viscA4), isomip (x3), tutorial_global_oce_in_p & tutorial_plume_on_slope.
166    o pkg/shelfice:
167      - ALLOW_SHIFWFLX_CONTROL: move setting of maskSHI from shelfice_update_masks.F
168        to shelfice_init_fixed.F
169      - change S/R SHELFICE_UPDATE_MASKS to SHELFICE_INIT_DEPTHS (still called from
170        ini_masks_etc.F for now) to update ocean upper boundary position according
171        to ice-shelf topography (instead of directly updating hFacC).
172    o model/src:
173      - move call to CTRL_INIT & CTRL_ADMTLM from the middle to the bottom of
174        packages_init_fixed.F to allow other pkgs to set mask and weight fields.
175    
176    checkpoint66f (2017/04/06)
177    o model/src:
178      - add specific run-time param to select level of printed plot-field-maps,
179        set by default to debugLevel. Remove internal param "printDomain".
180    o pkg/seaice:
181      - add flag to add snow mass to seaiceMassC/U/V, the default is
182        SEAICEaddSnowMass=.FALSE., not to change previous results
183    o pkg/bling
184      - Bug fix in bling_production regarding unit conversion for diagnostics
185        being put in the wrong place
186    o model/src:
187      - add back recomputation of rSurfW & S to ensure consistent column thickness
188        (needed for rStar) between Sum_k(hFac*drF) and rSurf-rLow, for now only
189        when using pkg/shelfice; was initially added on 2012/06/01 (ini_masks_etc.F
190        revision 1.51) but was removed accidentally on 2014/02/08 (v1.53).
191    o pkg/autodiff:
192      - clean-up "checkpoint.flow"
193    o pkg/rw (Contribution from Jody Klymak):
194        option to set mds file suffix as function of time in simulation:
195        *) new input parameter "rwSuffixType" (read from PARM03 namelist)
196           to select file suffix format; by default (=0), use iteration number;
197        *) add simple routine to return file suffix according to rwSuffixType;
198        *) in model/src and in most pkgs (except: atm2d, fizhi, regrid & streamice),
199           use new S/R to get file suffix, except for debug output file (diagFreq)
200           and pkgs offline & rbcs input files.
201    o pkg/rw:
202      - uniform processing of "I10" suffix across writing fld routines; used to
203        simplify debug writing of cg2/3d_b/x in solve_for_pressure.F & post_cg3d.F
204        (similar to cg3d.F, cg3d_ex0.F)
205    o pkg/mom_vecinv:
206      - highOrderVorticity in selectVortScheme=2 case: fix c4 coeff in splitted
207        vorticity flux (keep same sum in case vBarXm=vBaXp, uBarYm=uBarYp).
208    o pkg/bling:
209      - Many small changes intended to clean the code.
210        Unnecessary ADJOINT_SAFEs removed ;
211        removed BLING_COST.h BLING_CTRL.h bling_cost.F ;
212        diagnostics added.
213    
214    checkpoint66e (2017/03/14)
215    o pkg/exf:
216      - interpolation with #undef EXF_INTERP_USE_DYNALLOC: move buffer size
217        definition outside EXF_PARAM.h in new header file: EXF_INTERP_SIZE.h;
218        use fixed size buffer (passed to S/R EXF_INTERP & EXF_INTERP_UV) to
219        avoid any dynamic allocation ;
220      - S/R EXF_CHECK: add new check & stop when file-name is defined but not
221        read-in ; add warning when file is read-in but not used within pkg/exf ;
222        + check for buffer-size (if #undef EXF_INTERP_USE_DYNALLOC).
223      - update exf_summary.F (print {FLD}RepCycle).
224    o verification/global_with_exf:
225      - switch on exf interpolation in AD test (just like the forward test)
226    o pkg/mom_vecinv:
227      - add storage directives to avoid recomputations within mom_vecinv.F
228        which were generating seg. fault with gfortran -devel
229    o pkg/ctrl, pkg/smooth:
230      - initialize array halos which were generating seg. fault with
231        gfortran -devel in adjoint mode
232    o pkg/exf:
233      - for each input field, enable to specify a field specific repeat-cycle
234        ({FLD}RepCycle) which defaults to pkg/exf main "repeatPeriod".
235    o verification/lab_sea:
236      - update AD results of primary test and noseaicedyn test after switching
237        to new version of TAF (5.3.13 vs 5.3.2 before); agreement with gradient
238        check stays about the same.
239    o pkg/exf:
240      - fix bug in exf_zenithangle.F for cases select_ZenAlbedo > 0 with useCAL=T.
241      - exf_check: MAX_LAT_INC need only be "loc_nlat-1", not equal to loc_nlat
242    o pkg/bling, USE_EXFCO2 code:
243      - add parameter "apco2RepCycle" (set to pkg/exf "repeatPeriod" by default);
244      - update calls to EXF S/R (use new version: EXF_INIT_FLD & EXF_SET_FLD).
245    o pkg/exf:
246      - rename S/R EXF_INIT to EXF_INIT_VARIA ;
247      - add arguments: fldName (for debug msg) and fldRepeatCycle (set to
248        repeatPeriod) to S/R EXF_SET_UV and to S/R EXF_SET_GEN (renamed EXF_SET_FLD)
249        and update calls in pkg/exf calling S/R (exf_getffields.F & exf_getclim.F) ;
250      - add argument: fldName (for debug msg) to S/R EXF_INIT_GEN (renamed
251        EXF_INIT_FLD) and update calls in exf_init_varia.F
252      - For now, for backward compatibility, keep a simplified version of S/Rs
253        EXF_SET_GEN & EXF_INIT_GEN in file exf_set_gen.F
254      - add and pass new arguments: fldName (for debug msg) and fldRepeatCycle
255        to S/R EXF_GetFFieldRec ; update calls in pkg/obcs/obcs_exf_load.F
256    o tools/genmake2:
257      - replace "bc -l" (only used once) by "expr" (already used).
258    o verification/global_ocean.cs32x15:
259      - turn off pkg/cal (useCAL=F) in secondary FWD exp. "icedyn".
260        Note: exf setting (data.exf) can be compared to other exf secondary exp
261        "seaice" (kept with useCAL=T) which has same time dependent forcing.
262    
263    checkpoint66d (2017/02/13)
264    o pkg/exf:
265      - remove setting of useCAL=T when using pkg/exf (useEXF=T); add warning
266        early on (in packages_boot.F) to stress this change in pkg setting.
267      - In (most) verification exp. that use pkg/exf, add useCAL=.TRUE. to data.pkg
268    o model/src:
269      - move call to ecco_phys to end of time step; this may induce minor
270        cost function changes by shifting time averages by one time step
271        for some variables; this revision resulted in changed adjoint results
272        in MITgcm_contrib/verification_other/global_oce_cs32
273    o pkg/exf:
274      - Change EXF_READ_EVAP to only activate code within #ifdef ALLOW_ATM_TEMP ;
275        this prevents to read evap when ALLOW_ATM_TEMP is undef and other fields,
276        e.g. precip, are not available.
277    o pkg/flt:
278      - flt_init_varia.F: use pickupSuff if specified
279      - add code (within #ifdef DEVEL_FLT_EXCH2) and test case as a first,
280        intermediate, step towards completing pkg/exch2 support within pkg/flt;
281        ifdef DEVEL_FLT_EXCH2 then:
282        - flt_init_fixed.F: comment out stop
283        - flt_exch2.F: conserve ipart, jpart (grid coordinates)
284        - exch2_recv_get_vec.F: transform ipart, jpart (grid coordinates)
285        - flt_mapping.F: attempt to fix longitude diagnostic near date-line
286        - flt_init_varia.F: hack initialization (for testing purposes w. LLC90)
287    o tools/genmake2 & pkg/pkg_depend:
288      - define new type of pkg dependency rule ("=pkg_x"), less strict than
289        the "+" rule, that add the dependent pkg (pkg_x) unless it's disabled
290        (-pkg_x in packages.conf).
291      - change pkg/exf dependency rule from "exf +cal" to "exf =cal";
292      - add "+cal" to dependency list of pkg/ecco (needed to compile).
293      - simplify FWD experiment "offline_exf_seaice" by removing pkg/cal.
294    o utils/matlab:
295      - adding ocean_basin routines for defining basin masks.
296    o pkg/exf:
297      - new S/R EXF_GETFFIELD_START replacing EXF_GETFIELD_START, but with more
298        arguments, allowing to check (and stop) if parameter setting of
299         {FLD}startdate1 & date2 and of {FLD}StartTime are consistent with
300        useCAL= T or F. For now, kept a simplified version of EXF_GETFIELD_START
301        for backward compatibility.
302      - change accordingly calls in exf_init_fixed.F + default {FLD}StartTime in
303        exf_readparms.F ; apply same changes to pkg/icefront (for SGRunOff field).
304    o pkg/bling (USE_EXFCO2 code):
305      - fix missing setting of apco2StartTime according to apco2startdate1 & date2
306        by adding a call to S/R EXF_GETFFIELD_START.
307    o pkg/exf:
308      - allows to compile without pkg/cal (but disabled by current dependency
309        rules, i.e., default "pkg/pkg_depend"). Minimal changes to enable to
310        run with useCAL=F ; this involves setting directly {FLD}StartTime instead
311        of {FLD}startdate1 & date2 ; consistency check not yet coded.
312    o verification/global_ocean.cs32x15:
313      - fix all data.exf for a shift of 1 day in all field startdate1 so that it now
314        corresponds to middle of 1rst month; update outputs (2 fwd + 3 adm + 3 tlm).
315    o pkg/exf:
316      - allow to use EXF_ZENITHANGLE without pkg/cal + simplify (saving some
317        calculations); change FWD experiment global_ocean.cs32x15
318        (#define ALLOW_ZENITHANGLE) to test/check that this code compiles.
319    o pkg/exf:
320      - In preparation for addition to NAMELIST, rename internal (_RL) parameter
321         {FIELD}startdate to {FIELD}StartTime
322        Note: new name also fit better the content, i.e, a start time in second.
323    o eesupp/src:
324      - add 1 argument to S/R EEBOOT & EEBOOT_MINIMAL for interface with ESMF
325    o pkg/exf:
326      - add option ALLOW_READ_TURBFLUXES (and corresponding set of parameters)
327        to allow to read-in Sensible & Latent Heat flux ;
328      - simplify pkg/exf main options:
329        1) move small piece of code (case ALLOW_ATM_TEMP undef) out of
330           exf_bulkformulae.F into exf_wind.F so that exf_bulkformulae.F is
331           compiled only when both ALLOW_ATM_TEMP & ALLOW_BULKFORMULAE are defined;
332        2) make call to EXF_RADIATION and to EXF_WIND independent of CPP option
333           ALLOW_BULKFORMULAE which now only applies to S/R EXF_BULKFORMULAE ;
334        3) improve options documentation in EXF_OPTIONS.h.
335    o pkg/ecco:
336      - cost_gencost_customize.F,ecco.h,ecco_phys.F,ecco_readparms.F, and
337        ecco_summary.F: add passive tracer cost functions to gencost;
338        m_ptracer and m_boxmean_ptracer
339    o pkg/ctrl:
340      - ctrl_map_forcing.F: pass myIter and myTime to ctrl_map_forcing as input
341        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing; add to list
342        of implemented gentim2d contol parameters: xx_qnet, xx_empmr, xx_qsw,
343        xx_sst, xx_sss, xx_pload, xx_saltflux, xx_fu, xx_fv, xx_fe, xx_fn
344    o model/src:
345      - forward_step.F: pass myIter and myTime to ctrl_map_forcing as input
346        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing
347    o pkg/exf:
348      - exf_getffields.F: add to list of implemented gentim2d contol parameters:
349        xx_lwflux, xx_swflux, xx_evap, xx_apressure, xx_areamask
350    
351    checkpoint66c (2017/01/19)
352    o verification:
353      - add new option "-src" to testreport to only produce source code (*.f),
354        including taf output src code (if using '-adm'/'-tlm' option).
355    o pkg/exf:
356      - add saltflx :: Net upward salt flux in psu.kg/m^2/s
357    o pkg/diagnostics:
358      - add run-time variable diagMdsDir to specify a subdirectory for
359        diagnostic output when mds is being used and mdsioLocalDir is not.
360    o pkg/mnc:
361      - mnc_utils.F: edit stop message
362    o pkg/autodiff:
363      - autodiff_ini_model_io.F: PRINT_MESSAGE, clean-up comments, add _*_MASTER,
364        add HAVE_SYSTEM bracket around system call to mkdir
365    o pkg/profiles:
366      - profiles_findunit.F, profiles_init_fixed.F, profiles_interp.F,
367        profiles_readparms.F: call ALL_PROC_DIE before 'stop'
368      - profiles_ini_io.F: use PRINT_MESSAGE, clean-up comments, add _*_MASTER,
369        add HAVE_SYSTEM bracket around system call to mkdir
370    o pkg/smooth:
371      - smooth_filtervar2d.F, smooth_filtervar3d.F: call ALL_PROC_DIE before 'stop'
372      - smooth_init2d.F, smooth_init3d.F: move print statements to readparms
373      - smooth_readparms.F: add cleaner print statements from smooth_init?d.F
374    o pkg/exf:
375      - check: count errors and stop cleanly at the end (call to ALL_PROC_DIE);
376        issue error message when climsst_interpMethod.GT.0 and climsst_lon_inc > 500
377        generalize tests on interpMethod, nlat, and lon_inc to all exf variables.
378      - summary: skip detailed field report if not used (empty file-name).
379    o tools/xmakedepend:
380      - In case line editor "ed" is missing, switch to "sed" command to clean-up
381        Makefile from previous dependencies (anything after "# DO NOT DELETE" line).
382    o pkg/exf:
383      - change definition of "hflux" input file to always include Short-Wave;
384        this is now consistent with hflux computation (if using bulk-formulae)
385        and hflux diagnostic & documentation (in EXF_FIELDS.h).
386    
387    checkpoint66b (2016/12/01)
388    o model & momentum pkgs:
389      - implement fully implicit bottom friction combined with implicit surf.
390        pressure, for now, only in hydrostic formulation:
391        + to use: compile with #define ALLOW_SOLVE4_PS_AND_DRAG in CPP_OPTIONS.h
392          and run with selectImplicitDrag=2 ;
393        + currently missing diagnostics of bottom drag and vert. viscosity tendency;
394      - partial implicit time-stepping (bot. friction + vert. visc first, then
395        surf. press) corresponding to selectImplicitDrag=1 should be applicable
396        to NH formulation but not available until we solve for surf. pressure
397        increment (instead of full etaN).
398      - change exp. global_ocean.cs32x15.thsice to test implicit bottom drag
399        with implicit vertical viscosity.
400    o pkg/seaice: add linear remapping scheme (Lipscomb 2001) to ITD model
401      - this is a first version that includes many regularisations that may
402        not all be necessary, to be sorted out,
403      - turned on by runtime parameter SEAICEuseLinRemapITD (true by default)
404      - change one verification experiment in seaice_itd to use and test new code
405      - seaice_growth: catch a case where the argument of log can be zero
406        or smaller (important for code stability)
407    o model/src:
408      - modify SOLVE_DIAGONAL_LOWMEMORY version of solve_tridiagonal.F
409        & solve_pentadiagonal.F to enable to re-used inverse matrix for solving
410        similar A.X'=Y' system (with same matrix A) in subsequent calls;
411        switch based on errCode (In/Out) argument value; in calling routines,
412        initialise errCode before first call.
413    
414    checkpoint66a (2016/10/18)
415    o pkg/bling:
416      - BLING package now loads in atmospheric pCO2 file using exf package routines
417        Enable with #define USE_EXFCO2 in BLING_OPTIONS.h
418    o model/src & pkg/ptracers:
419      - with INCLUDE_IMPLVERTADV_CODE defined, also call MOM_U,V_IMPLICIT_R &
420        GAD_IMPLICIT_R (instead of IMPLDIFF) when just implicitViscosity and
421        implicitDiffusion (respectively) are used (even without momImplVertAdv
422        or temp,salt,PTRACERS_ImplVertAdv).
423    o model/src & generic_advdiff:
424      - add parenthesis in main diagonal calculation of implicit vertical
425        diffusion matrix (impldiff.F & gad_implicit_r.F).
426        This affects results at machine truncation level; update output of many
427        verification experiments (31 fwd ; 10 adm ; 8 tlm ; 3 oad).
428    o pkg/mom_commom & generic_advdiff:
429      - add deep atmosphere and anelastic scaling factor in implicit vertical
430        advection routines (mom_u,v_implicit_r.F & gad*_impl*_r.F).
431    o model/src:
432      - remove few unnecessary temp array copies in solve_tridiagonal.F
433        & solve_pentadiagonal.F
434    
435    checkpoint65z (2016/09/28)
436    o pkg/seaice: fix multithreading for seaice_fgmres.F
437      - remove unecessary variables from common blocks
438      - use extra dimension MAX_NO_THREADS for all variables of the Krylov space
439        basis, that are stored in commom blocks (including integer variable i1)
440      - clean up code a little by removing commented lines that refer to
441        original code
442      - turn on multi-threaded test for experiment offline_exf_seaice.dyn_jfnk.
443    o MITgcm manual:
444      - add uptodate pkg/ecco documentation to the manual (section 8.1; ecco.tex),
445        preliminary documentation for generic controls (8.3; ctrl.tex),
446        a placeholder for smooth (8.4; smooth.tex), and comment out the deprecated
447        ecco_costfunction.tex
448    o pkg/ecco:
449      - update and cleanup list of CCP options
450      - re-assign gencost_mask to specify masks rather than gencost_errfile; 'c'
451        is now always passed to cost_generic; gencost_mask is now MAX_LEN_FNAM
452      - add checks that retired run-time options are not used, and in relation
453        to gencost_mask and gencost_errfile
454      - finish deprecating gencost_scalefile, gencost_smooth2Ddiffnbt, and
455        gencost_nrecperiod
456      - fix m_eta computation for virtual salt flux case
457      - add m_horflux_vol case (selected via gencost_barfile) that computes
458        transports via cost_gencost_boxmean (gencost_flag=-3)
459      - use gencost_flag more systematically (i.e., avoid using gencost_name)
460        for code switches (aside from physical variable selection)
461    o pkg/seaice: make seaice_fgmres.F fit for multithreading; this first
462      attempt appears to be a bit of a hack and my need some repair down the road
463    o pkg/exf:
464      - interpolation near South Pole: fix criteria on input field latitude.
465    o pkg/icefront & pkg/exf:
466      - move setting of icefront Sub-Glacial RunOff forcing (currently unused)
467        from pkg/exf (read from data.exf) to pkg/icefront (read from data.icefront)
468    o pkg/exf:
469      - replace CPP option ALLOW_EXF_OUTPUT_INTERP with run-time parameter
470        "exf_output_interp" (in namelist: EXF_NML_04); change output file name
471        (add suffix "_out" instead of a prefix); keep same record number as in
472        input file but always write record 1 first (to avoid a STOP in I/O S/R).
473        Change output file content by writing interpolated field before applying
474        land-sea mask (helpful for debug).
475      - 2 compon. vector interpolation with rotation: apply scaling factor on
476        each compon. (Eastward and Northward) just before rotation.
477    o pkg/bling:
478      - Cleaned package. Removed not needed code and comments.
479      - adjoint example now works
480        (MITgcm_contrib/verification_other/global_oce_biogeo_bling/code_ad)
481    o pkg/ptracers:
482      - add Bruno Deremble's code to complete the linear surface correction
483        for tracer conservation;
484      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
485    
486    checkpoint65y (2016/07/29)
487    o pkg/debug (stats):
488      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
489        proc/thread mapping);
490      - fix Min & Max for case where 1 thread has only empty tiles;
491      - use RL variable to count number of wet grid points (with big domain,
492        can be too large to fit into integer*4).
493    o pkg/monitor:
494      - use RL variable to count number of wet grid points (but used only for del2)
495      - add new routine to compute Advective CFL within tracer time-stepping with
496        writing delayed until next monitor output.
497    o pkg/obcs:
498      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
499    o pkg/cal:
500      - calandar-dump: treat case myTime < timePhase in the same way as in
501        eesupp/src/diff_phase_multiple.F (when not using calandar-dump).
502    o pkg/dic & seaice:
503      - fix compilation of ocean component for coupled atm+ocn model with
504        seaice dynamics & dic.
505    
506    checkpoint65x (2016/06/11)
507    o add a license text file in main MITgcm tree.
508    o added pkg/bling:
509      - intermediate complexity biogeochemical model
510      - see bling_description.txt for details
511      - verification experiment is global_oce_biogeo_bling (for now, in
512        Contrib/verification_other/); tested daily on baudelaire with gfortran.
513      - add entry point in pkg/gchem for new pkg "bling".
514    o pkg/seaice: fix tensile stength computation
515      - replace global field tensileStrength by tensileStrFac
516      - tensileStrFac can be computed once in S/R seaice_init_varia
517      - fortunately that does not affect any verification results
518    
519    checkpoint65w (2016/05/12)
520    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
521         with ECCO_CTRL_DEPRECATED defined
522    o verification/global_ocean.cs32x15:
523      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
524        with "selectNHfreeSurf=1".
525    o model/src (non-hydrostatic free-surface):
526      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
527        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
528      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
529        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
530        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
531        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
532      - Update output (changes at machine truncation level) of verification exp:
533        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
534        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
535    o pkg/seaice: ITD code
536      - fix picking up from a single category model by initialising
537        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
538      - split a long warning message in seaice_check_pickup.F into two lines,
539        because NEC SX-ACE cannot deal with the long line.
540    o model/src:
541      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
542    o pkg/seaice:
543      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
544    o pkg/seaice:
545      - add basal stress as parameterisation for grounding ice
546        following Lemieux et al. (2015)
547      - turn on by setting new parameter SEAICEbasalDragK2 to a value
548        larger than 0. Lemieux et al. (2015) recommend 15.
549      - The adjoint complains with extra recomputations so there is also a
550        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
551        order to postpone the problem
552      - compile the new code in lab_sea
553    o verification/halfpipe_streamice:
554      - update both TAF and OpenAD adm output (machine truncation differences)
555    
556    checkpoint65v (2016/04/08)
557    o verification/advect_xz:
558      - increase overlap size from 3 to 4 and add new secondary test for PQM
559        advection scheme (with mono & wino limiter).
560      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
561    o model/src:
562      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
563        added phi0Ref) to set vertical axis origin and phiRef origin;
564        keep Ro_SeaLevel for backward compatibility (with a warning).
565       According to coordinate and fluid type:
566        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
567        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
568        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
569        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
570      - remove Ro_SeaLevel from ATM experiment parameter files;
571      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
572        complement; update output.txt (changes at machine truncation level).
573    o pkg/seaice/seaice_evp.F
574      - simplify computation of deltaZ and zetaZ to simple averaging following
575        Bouillon et al. (2013). This removes a lot of code, but also changes
576        verification experiment lab_sea.hb87 -> updated
577    
578    checkpoint65u (2016/03/14)
579    o pkg/generic_advdiff:
580      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
581        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
582        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
583        testing and not for actual use.
584    o model/src:
585      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
586        origin r = rF(1);
587      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
588        in EOS for height coordinate: enable to include NH Pressure or to use
589        more accurate pressure vertical profile; options not linked to EOS type
590        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
591      - start to implement variable gravity (along vertical): for now, only with
592        z-coords (not even z*).
593      - add Ideal Gas equation of state for height coordinate.
594      - update OpenAD output (affected at machine truncation level) of exp:
595        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
596    o pkg/exf:
597      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
598        of exf interpolation (before any rescaling, rotation or interpolation
599        to velocity point) for each field that gets loaded from file. This option
600        identically mimics the input file organization (e.g. record numbers in year
601        by year input files) besides the change in horizontal grid.
602      - add rotateStressOnAgrid run-time switch so that wind stress fields
603        can be provided on the A-grid in zonal/meridional direction and
604        rotated on the fly. This only applies to the case when the exf
605        interpolation is off and rotateStressOnAgrid is false by default.
606    o model/src:
607      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
608        it's also used with pkg/atm_phys) and add few more parameters (but still
609        inactive, src code yet to come)
610    
611    checkpoint65t (2016/02/10)
612    o pkg/atm_phys:
613      - from Ruth Geen: add optical depth dependence on CO2 concentration.
614    o model/src:
615      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
616        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
617        Update output of exp. deep_anelastic (changes at truncation level).
618    o tools:
619      - add a hack in "remove_comments_sed" (used only with TAF) for recent
620        version of OpenMPI (shipped with FC.23): comment out the new header
621        file "mpif-sizeof.h" which causes problems to TAF.
622    o pkg/seaice:
623      - change the termination criterion so that maxits (SEAICElinearIterMax)
624        has an effect
625      - unify iteration parameters for implicit solvers (JFNK and Picard)
626        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
627        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
628        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
629        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
630        SEAICEnonLinTol     replaces JFNKgamma_nonlin
631      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
632      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
633        use with SEAICEuseKrylov
634    o pkg/seaice/seaice_lsr.F
635        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
636        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
637        an effect.
638    o pkg/seaice: add two new parameters
639      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
640        parameter is not in any namelist)
641      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
642        a preconditioner for the non-linear Newton iteration of the JFNK
643        solver
644    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
645      affects some experiments at truncation level:
646      - global_ocean.cs32x15.icedyn (11 digits),
647      - global_ocean.cs32x15.seaice (11 digits),
648      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
649      - also update global_ocean.cs32x15 adjoint and tangent-linear results
650    o pkg/salt_plume & pkg/thsice:
651      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
652        connect salt_plume flux to ATM-OCN coupling pkgs interface:
653       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
654         export to coupler interface) even without compiling pkg/salt_plume ;
655       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
656         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
657    o pkg/dic:
658      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
659        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
660        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
661      - move also update with values from ATM-OCN Coupler in the same new S/R
662        (previously done in ocn_apply_import.F).
663    o tools/adjoint_options:
664      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
665        has been changed on Jan 14, 2016.
666    o pkg/ggl90:
667      - add alternative discretisation of vertical shear (off by default), to
668        compute the mean (@ grid-cell center) of vertical shear compon instead of
669        vertical shear of mean flow (@ grid-cell center).
670      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
671        results on adjacent faces of cubed-sphere grids; this fix the restart.
672    o pkg/atm_compon_interf:
673      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
674        pass last value, stored directly before export to CPL ;
675        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
676      - remove atmSLPr from pickup files (no longer needed for restart)
677    
678    checkpoint65s (2016/01/13)
679    o eesupp & genmake2:
680       - first check for Function ETIME and, if it fails, then check for subroutine
681         ETIME and consistent output; use the appropriate version in timers.F
682    o model/src:
683      - to check restart test, add option to apply EXCH to U,V earlier, just before
684        integr_continuity; turned off by default.
685    o pkg/dic:
686      - remove CPP option USE_ATMOSCO2 (not needed)
687    o tools/tst_2+2:
688      - try to ignore difference between +0 and -0 in binary file, causing test
689        to fail for no good reason.
690    o eesupp & genmake2:
691      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
692        but also check (in genmake2) that test runs and returns meaningful results.
693    o coupler pkgs:
694      Finish implementation of optionally-exchanged variable switches (started on
695       Nov 12) with addition of few more exchanged fields, including 2-way exchange
696       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
697       advection in OCN component; this requires sequential coupling.
698      coupler (pkg/atm_ocn_coupler):
699      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
700        routines (useful for debug).
701      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
702         flux, DIC fields) if corresponding switch is ON.
703      - add option to export RunOff to OCN (to use for DIC river input)
704      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
705      components (pkg/atm_ & ocn_compon_interf):
706      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
707        optionally exchanged fields; add a check & stop in cpl_readparms.F.
708        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
709        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
710      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
711        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
712      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
713      - hold in common block coupler optionally-exchanged variable switch
714        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
715      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
716        this is intended to replace the OCN cplFldtave.* output files (not updated
717        to contain new additional exchanged fields).
718    o pkg/dic:
719      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
720    o pkg/thsice:
721      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
722        and writing of thsice pickup files.
723    o pkg/atm_compon_interf:
724      - move all field individual export-call out of cpl_export_import_data.F
725        into new S/R ATM_EXPORT_FIELDS
726    o pkg/atm_compon_interf:
727      - store state variables (for now, only thSIce fields) just before beeing
728        exported (in cpl_export_import_data.F, like on ocean side) instead of from
729        atm_store_my_data.F like all exported fluxes.
730      - new version of pickup_cpl: write field names into meta file and read meta
731        file to find field postion in pickup. Also only write/read fields meeded for
732        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
733    o pkg/dic:
734      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
735    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
736        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
737        value can be from domain [0,1] to average between the two methods
738    o pkg/atm_phys:
739      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
740        hold fixed in time).
741    
742    checkpoint65r (2015/12/21)
743    o pkg/seaice:
744        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
745        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
746    o pkg/seaice:
747      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
748        when SEAICEscaleSurfStress=.TRUE.,
749      - apply areaW and areaS in S/R seaice_calc_lhs
750    o pkg/atm_phys:
751      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
752        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
753        for individual contribution (convection, LSC cond, radiation)
754      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
755        information); activated with: solar_exponent=0. and wv_exponent=-1.
756    o pkg/ggl90:
757      - within IDEMIX add upper limit for horizontal group velocity to
758        avoid instability problems in the explicit horizontal diffusion term for
759        long time steps or high resolution
760    o pkg/diagnostics:
761      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
762        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
763    o testreport:
764      - remove "-v" (verbose option) in default mpirun command.
765    o pkg/seaice/seaice_growth:
766      - catch potential division by zero in ITD code, does not change
767        verification results
768    o pkg/ecco:
769      - retire old codes to the Attic. The calls to retired functions are
770        left in a commented form in case they ever need to be re-activated.
771      - ecco_check.F: issue warning if any old CPP option is
772        defined that corresponds to retired codes -- then stop.
773    o pkg/atm_compon_interf:
774      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
775        coupler: use last time-step value instead of average over cplSendFrq_iter
776        time-step, similar to what is done for seaIceMass.
777        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
778    o eesupp & genmake2:
779      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
780        <= remove until a fix is found for some ifort version on ia32 machine.
781    o pkg/seaice/seaice_evp:
782      - refine residual computation
783    
784    checkpoint65q (2015/11/18)
785    o pkg/seaice/seaice_evp:
786    - fix residual computations so that they no longer affect the actual    - fix residual computations so that they no longer affect the actual
787      simulation code      simulation code
788    - fix seaice_readparams to be able to actually set new parameters    - fix seaice_readparams to be able to actually set new parameters
# Line 496  o model/src & mom pkgs: Line 1274  o model/src & mom pkgs:
1274      just copy level Nr value to level Nr+1.      just copy level Nr value to level Nr+1.
1275  o doc:  o doc:
1276    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
1277  o pkg/streamice:  o pkg/shelfice:
1278    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
1279      SHELFICE.h: move array shelficemass to init_varia, initialise      SHELFICE.h: move array shelficemass to init_varia, initialise
1280      from array shelficemassinit, which is set in init_fixed and      from array shelficemassinit, which is set in init_fixed and

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