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revision 1.2202 by jmc, Wed Nov 18 14:58:09 2015 UTC revision 1.2358 by jmc, Fri Oct 13 18:19:49 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/cheapaml: major changes to relaxation coefficient setting:
8      - rename parameters cheapaml_taurelax & cheapaml_taurelaxocean (in days)
9        to cheap_tauRelax & cheap_tauRelaxOce (now in seconds);
10      - if using cheapMaskFile, set relaxation coeff to: cheapMask/tauRelax
11        (instead of 1/cheapMask over ocean and 1/tauRelax over land);
12      - with cheapMaskFile unset: set relaxation coeff according to land/ocean mask
13        (unchanged) but skip increase near domain edges for periodic domain (in X
14        or Y dir) when cheapamlX/Yperiodic=T ; also fix linear increase (over
15        Cheapaml_mask_width grid points) of coeff towards domain edges (previously
16        was increasing away from edges). Update output of experiment "cheapAML_box".
17    o pkg/cheapaml:
18      - move setting of (fixed in time) relaxation coefficient
19        from cheapaml_init_varia.F to cheapaml_init_fixed.F
20    o pkg/exf:
21      - add specific forcing field for tides to feed model new geopotential anomaly
22        forcing, for now within #ifdef EXF_ALLOW_TIDES.
23      - remove from common block unused params: exf_inscal_sst & exf_inscal_sss.
24    o model:
25      - add new 2-d forcing field for time-dependent geopotential anomaly (e.g.,
26        tidal forcing), in m^2/s^2 ; add run-time param to allow to turn it off.
27    o eesupp/src:
28      - shift standardMessageUnit in eeboot.F and I/O units in mdsfindunit.F
29        for coupling to GEOS AGCM: HACK_FOR_GMAO_CPL option in CPP_EEOPTIONS.h
30    
31    checkpoint66k (2017/09/20)
32    o model/src:
33      - add missing CPP brackets (ALLOW_COST, ALLOW_CTRL in load_fields_driver.F
34        and the_model_main.F)
35    o ctrl:
36      - use zeroRL in place of fc when ALLOW_COST is not compiled (in ctrl_pack.F)
37      - call MDS_READ_FIELD / MDS_WRITE_FIELD instead of deprecated
38        mdsreadfield / mdswritefield (in ctrl_get_gen.F, ctrl_map_ini_gen.F,
39        ctrl_map_ini_genarr.F, and ctrl_map_ini_gentim2d.F )
40    o eesupp:
41      - add CPP option to activate some pieces of code for coupling to GEOS AGCM;
42      - shift commonly used IO unit (in eeboot.F) for coupling to GEOS AGCM.
43    o pkg/bling:
44      - bling_production: Fix typo in calcium carbonate uptake. Also rearranging
45        and cleaning
46    o model/src:
47      - move k loop inside correction_step.F (+ update calling S/R)
48      - collect implicit pressure gradient tendencies in local 2-D array;
49        affect results (at machine truncation level) when using 3-D solver; update
50        output of exp.: exp4 (x1), global_ocean.cs32x15 (x2),hs94.cs-32x32x5.impIGW,
51                        rotating_tank, short_surf_wave,tutorial_deep_convection (x2)
52                        & tutorial_plume_on_slope.
53    
54    checkpoint66j (2017/08/15)
55    o pkg/ptracers:
56      - fix surface forcing under ice-shelf (useShelfIce=T).
57    o pkg/atm_phys:
58      - use hFac weighted average when applying A-grid atm-phys momentum tendency
59        to C-grid dynamics; this ensures wind-stress match mom tendency.
60    o eesupp/src:
61      - change default for opening scratch files to avoid STATUS='SCRATCH'
62      - close scratch files with STATUS='DELETE'
63      - changes affect eeset_parms.F and open_copy_data_file.F and many routines
64        that read namelists (because they close the scratch files)
65      - you can revert to old default by setting USE_FORTRAN_SCRATCH_FILES
66        in CPP_EEOPTIONS.h (tested in ideal_2D_oce/code & lab_sea/code_ad)
67    o pkg/atm_phys:
68      - fix unset arguments in (unused) S/R surface_flux_0d.
69    o eesupp/src:
70      - add argument "procId" to S/R EESET_PARMS to fix  scratchFile1 & 2 setting
71        (case TARGET_BGL or TARGET_CRAYXT) for early call (from eeboot_minimal.F):
72        called with myProcId in eeboot.F and with mpiMyWId in eeboot_minimal.F
73    o pkg/streamice:
74      - remove blank between _EXCH_XY_RL and "()", which my Apple Xcode
75        preprocessor /usr/bin/cpp cannot interpret; 3 instances in total in
76        streamice_driving_stress_fd.F and streamice_advect_2dtracer.F
77    o pkg/diagnostics:
78      - new option to allow to cumulate thickness-factor (hFac) weighted field
79        (if field permitted); implemented by changing sign of "jdiag" pointer
80        (> 0: cumlulate field, < 0: cumulate hFac weighted field).
81        a) restricted to 3-d (Nr levels), level centered diagnostics at U,V or Cell
82           center position (gcode(2)='U','V','M' & gcode(3,5,9:10)='R',' ','MR')
83        b) for now, activated by setting fileFlags 3rd character to 'h'.
84    
85    checkpoint66i (2017/07/18)
86    o pkg/cheapaml:
87      - add parameter "useRelativeWind", default set to False; this change the
88        previous setting which was always using relative wind.
89    o add hooks for the Parallel Data Assimilation Framework PDAF
90        (http://pdaf.awi.de/) in eeboot_minimal.F and the_main_loop.F;
91        to use set CPP-flag USE_PDAF in CPP_EEOPTIONS.h
92    o pkg/exf:
93      - interpolation of vector fields (exf_interp_uv.F): fix bug in calculation
94        of South-Pole mean value.  
95      - interpolation near the poles, case where second additional row is at the
96        pole (or beyond the pole and moved to the pole): change first addition row
97        value to a linear interpolation between pole and 1rst (S.pole)/last (N.pole)
98        row (instead of just a copy of it).
99    o pkg/seaice:
100      - prevent JFNK and KRYLOV solvers from trying to reduce a residual of 0
101      - add the option to compute no-slip du/dy, dv/dx (i.e.
102        the offdiagonal strain rate e12) by a second order approximation
103        on the boundary; works only with JFNK, KRYLOV, or EVP solvers, because
104        it is too messy to implement for the implicit LSR matrix.
105        SEAICE_2ndOrderBC = .FALSE. by default
106    
107    checkpoint66h (2017/06/02)
108    o pkg/seaice:
109      - add new routines to compute stress tensor components and stress tensor
110        divergence to be reused in s/r seaice_lsr and s/r seaice_calc_lhs
111      - change names of diagnostics SIsigI/II (commonly used for invariants)
112        to SIsig1/sig2 (more common for principal components) to avoid confusion
113    o pkf/exf:
114      - add a stop if useRelativeWind with un-updated uwind/vwind (e.g., constant);
115        similarly, stop if rotateStressOnAgrid with constant wind-stress.
116    o pkg/seaice:
117      - remove (comment out) diagnostics SIuwind,SIvwind,SIfu,SIfv (duplicate of
118        EXFuwind,EXFvwind,oceTAUX,oceTAUY) and point them to their equivalent.
119      - add diagnostics of wind-stress over seaice (SItaux,SItauy) and seaice
120        fraction weighted wind stress over ocean+seaice (SIatmTx,SIatmTy).
121    o pkg/diagnostics:
122      - small piece of code to rename (old) diagnostics, when namelist is processed.
123    o model/src:
124      - new run-time param (useMin4hFacEdges) to select method for setting hFacW,S:
125        originally, set as minimum of adjacent hFacC factor ; now (new default)
126        computed from rSurfW,S and rLowW,S by applying same rules as for hFacC.
127        Only matters when useShelfIce=T with particular ice-shelf cavity geometry.
128    o pkg/seaice:
129      - add momemtum advection, off by default, still in test phase
130        most of the momentum advection code is adapted and reused from mom_vecinv
131    o pkg/mom_vecinv:
132      - pass these runtime flags:
133        selectVortScheme, highOrderVorticity, upwindVorticity, useJamartMomAdv
134        as formal parameters to s/r mom_vi_u/v_coriolis, mom_vi_u/v_coriolis_c4,
135        so that these routines can also be used in pkg/seaice.
136    
137    checkpoint66g (2017/04/24)
138    o model/src:
139      - more robust ordering of column thickness integral (=Sum_k(drF*hFac) )
140        to get same expression (regarding machine truncation) in different places
141        in ini_masks_etc.F (e.g., rSurfC,W,S is now exactly zero when it should).
142        Update forward output of experiments: global_ocean.cs32x15 (all 5 except
143        viscA4), isomip (x3), tutorial_global_oce_in_p & tutorial_plume_on_slope.
144    o pkg/shelfice:
145      - ALLOW_SHIFWFLX_CONTROL: move setting of maskSHI from shelfice_update_masks.F
146        to shelfice_init_fixed.F
147      - change S/R SHELFICE_UPDATE_MASKS to SHELFICE_INIT_DEPTHS (still called from
148        ini_masks_etc.F for now) to update ocean upper boundary position according
149        to ice-shelf topography (instead of directly updating hFacC).
150    o model/src:
151      - move call to CTRL_INIT & CTRL_ADMTLM from the middle to the bottom of
152        packages_init_fixed.F to allow other pkgs to set mask and weight fields.
153    
154    checkpoint66f (2017/04/06)
155    o model/src:
156      - add specific run-time param to select level of printed plot-field-maps,
157        set by default to debugLevel. Remove internal param "printDomain".
158    o pkg/seaice:
159      - add flag to add snow mass to seaiceMassC/U/V, the default is
160        SEAICEaddSnowMass=.FALSE., not to change previous results
161    o pkg/bling
162      - Bug fix in bling_production regarding unit conversion for diagnostics
163        being put in the wrong place
164    o model/src:
165      - add back recomputation of rSurfW & S to ensure consistent column thickness
166        (needed for rStar) between Sum_k(hFac*drF) and rSurf-rLow, for now only
167        when using pkg/shelfice; was initially added on 2012/06/01 (ini_masks_etc.F
168        revision 1.51) but was removed accidentally on 2014/02/08 (v1.53).
169    o pkg/autodiff:
170      - clean-up "checkpoint.flow"
171    o pkg/rw (Contribution from Jody Klymak):
172        option to set mds file suffix as function of time in simulation:
173        *) new input parameter "rwSuffixType" (read from PARM03 namelist)
174           to select file suffix format; by default (=0), use iteration number;
175        *) add simple routine to return file suffix according to rwSuffixType;
176        *) in model/src and in most pkgs (except: atm2d, fizhi, regrid & streamice),
177           use new S/R to get file suffix, except for debug output file (diagFreq)
178           and pkgs offline & rbcs input files.
179    o pkg/rw:
180      - uniform processing of "I10" suffix across writing fld routines; used to
181        simplify debug writing of cg2/3d_b/x in solve_for_pressure.F & post_cg3d.F
182        (similar to cg3d.F, cg3d_ex0.F)
183    o pkg/mom_vecinv:
184      - highOrderVorticity in selectVortScheme=2 case: fix c4 coeff in splitted
185        vorticity flux (keep same sum in case vBarXm=vBaXp, uBarYm=uBarYp).
186    o pkg/bling:
187      - Many small changes intended to clean the code.
188        Unnecessary ADJOINT_SAFEs removed ;
189        removed BLING_COST.h BLING_CTRL.h bling_cost.F ;
190        diagnostics added.
191    
192    checkpoint66e (2017/03/14)
193    o pkg/exf:
194      - interpolation with #undef EXF_INTERP_USE_DYNALLOC: move buffer size
195        definition outside EXF_PARAM.h in new header file: EXF_INTERP_SIZE.h;
196        use fixed size buffer (passed to S/R EXF_INTERP & EXF_INTERP_UV) to
197        avoid any dynamic allocation ;
198      - S/R EXF_CHECK: add new check & stop when file-name is defined but not
199        read-in ; add warning when file is read-in but not used within pkg/exf ;
200        + check for buffer-size (if #undef EXF_INTERP_USE_DYNALLOC).
201      - update exf_summary.F (print {FLD}RepCycle).
202    o verification/global_with_exf:
203      - switch on exf interpolation in AD test (just like the forward test)
204    o pkg/mom_vecinv:
205      - add storage directives to avoid recomputations within mom_vecinv.F
206        which were generating seg. fault with gfortran -devel
207    o pkg/ctrl, pkg/smooth:
208      - initialize array halos which were generating seg. fault with
209        gfortran -devel in adjoint mode
210    o pkg/exf:
211      - for each input field, enable to specify a field specific repeat-cycle
212        ({FLD}RepCycle) which defaults to pkg/exf main "repeatPeriod".
213    o verification/lab_sea:
214      - update AD results of primary test and noseaicedyn test after switching
215        to new version of TAF (5.3.13 vs 5.3.2 before); agreement with gradient
216        check stays about the same.
217    o pkg/exf:
218      - fix bug in exf_zenithangle.F for cases select_ZenAlbedo > 0 with useCAL=T.
219      - exf_check: MAX_LAT_INC need only be "loc_nlat-1", not equal to loc_nlat
220    o pkg/bling, USE_EXFCO2 code:
221      - add parameter "apco2RepCycle" (set to pkg/exf "repeatPeriod" by default);
222      - update calls to EXF S/R (use new version: EXF_INIT_FLD & EXF_SET_FLD).
223    o pkg/exf:
224      - rename S/R EXF_INIT to EXF_INIT_VARIA ;
225      - add arguments: fldName (for debug msg) and fldRepeatCycle (set to
226        repeatPeriod) to S/R EXF_SET_UV and to S/R EXF_SET_GEN (renamed EXF_SET_FLD)
227        and update calls in pkg/exf calling S/R (exf_getffields.F & exf_getclim.F) ;
228      - add argument: fldName (for debug msg) to S/R EXF_INIT_GEN (renamed
229        EXF_INIT_FLD) and update calls in exf_init_varia.F
230      - For now, for backward compatibility, keep a simplified version of S/Rs
231        EXF_SET_GEN & EXF_INIT_GEN in file exf_set_gen.F
232      - add and pass new arguments: fldName (for debug msg) and fldRepeatCycle
233        to S/R EXF_GetFFieldRec ; update calls in pkg/obcs/obcs_exf_load.F
234    o tools/genmake2:
235      - replace "bc -l" (only used once) by "expr" (already used).
236    o verification/global_ocean.cs32x15:
237      - turn off pkg/cal (useCAL=F) in secondary FWD exp. "icedyn".
238        Note: exf setting (data.exf) can be compared to other exf secondary exp
239        "seaice" (kept with useCAL=T) which has same time dependent forcing.
240    
241    checkpoint66d (2017/02/13)
242    o pkg/exf:
243      - remove setting of useCAL=T when using pkg/exf (useEXF=T); add warning
244        early on (in packages_boot.F) to stress this change in pkg setting.
245      - In (most) verification exp. that use pkg/exf, add useCAL=.TRUE. to data.pkg
246    o model/src:
247      - move call to ecco_phys to end of time step; this may induce minor
248        cost function changes by shifting time averages by one time step
249        for some variables; this revision resulted in changed adjoint results
250        in MITgcm_contrib/verification_other/global_oce_cs32
251    o pkg/exf:
252      - Change EXF_READ_EVAP to only activate code within #ifdef ALLOW_ATM_TEMP ;
253        this prevents to read evap when ALLOW_ATM_TEMP is undef and other fields,
254        e.g. precip, are not available.
255    o pkg/flt:
256      - flt_init_varia.F: use pickupSuff if specified
257      - add code (within #ifdef DEVEL_FLT_EXCH2) and test case as a first,
258        intermediate, step towards completing pkg/exch2 support within pkg/flt;
259        ifdef DEVEL_FLT_EXCH2 then:
260        - flt_init_fixed.F: comment out stop
261        - flt_exch2.F: conserve ipart, jpart (grid coordinates)
262        - exch2_recv_get_vec.F: transform ipart, jpart (grid coordinates)
263        - flt_mapping.F: attempt to fix longitude diagnostic near date-line
264        - flt_init_varia.F: hack initialization (for testing purposes w. LLC90)
265    o tools/genmake2 & pkg/pkg_depend:
266      - define new type of pkg dependency rule ("=pkg_x"), less strict than
267        the "+" rule, that add the dependent pkg (pkg_x) unless it's disabled
268        (-pkg_x in packages.conf).
269      - change pkg/exf dependency rule from "exf +cal" to "exf =cal";
270      - add "+cal" to dependency list of pkg/ecco (needed to compile).
271      - simplify FWD experiment "offline_exf_seaice" by removing pkg/cal.
272    o utils/matlab:
273      - adding ocean_basin routines for defining basin masks.
274    o pkg/exf:
275      - new S/R EXF_GETFFIELD_START replacing EXF_GETFIELD_START, but with more
276        arguments, allowing to check (and stop) if parameter setting of
277         {FLD}startdate1 & date2 and of {FLD}StartTime are consistent with
278        useCAL= T or F. For now, kept a simplified version of EXF_GETFIELD_START
279        for backward compatibility.
280      - change accordingly calls in exf_init_fixed.F + default {FLD}StartTime in
281        exf_readparms.F ; apply same changes to pkg/icefront (for SGRunOff field).
282    o pkg/bling (USE_EXFCO2 code):
283      - fix missing setting of apco2StartTime according to apco2startdate1 & date2
284        by adding a call to S/R EXF_GETFFIELD_START.
285    o pkg/exf:
286      - allows to compile without pkg/cal (but disabled by current dependency
287        rules, i.e., default "pkg/pkg_depend"). Minimal changes to enable to
288        run with useCAL=F ; this involves setting directly {FLD}StartTime instead
289        of {FLD}startdate1 & date2 ; consistency check not yet coded.
290    o verification/global_ocean.cs32x15:
291      - fix all data.exf for a shift of 1 day in all field startdate1 so that it now
292        corresponds to middle of 1rst month; update outputs (2 fwd + 3 adm + 3 tlm).
293    o pkg/exf:
294      - allow to use EXF_ZENITHANGLE without pkg/cal + simplify (saving some
295        calculations); change FWD experiment global_ocean.cs32x15
296        (#define ALLOW_ZENITHANGLE) to test/check that this code compiles.
297    o pkg/exf:
298      - In preparation for addition to NAMELIST, rename internal (_RL) parameter
299         {FIELD}startdate to {FIELD}StartTime
300        Note: new name also fit better the content, i.e, a start time in second.
301    o eesupp/src:
302      - add 1 argument to S/R EEBOOT & EEBOOT_MINIMAL for interface with ESMF
303    o pkg/exf:
304      - add option ALLOW_READ_TURBFLUXES (and corresponding set of parameters)
305        to allow to read-in Sensible & Latent Heat flux ;
306      - simplify pkg/exf main options:
307        1) move small piece of code (case ALLOW_ATM_TEMP undef) out of
308           exf_bulkformulae.F into exf_wind.F so that exf_bulkformulae.F is
309           compiled only when both ALLOW_ATM_TEMP & ALLOW_BULKFORMULAE are defined;
310        2) make call to EXF_RADIATION and to EXF_WIND independent of CPP option
311           ALLOW_BULKFORMULAE which now only applies to S/R EXF_BULKFORMULAE ;
312        3) improve options documentation in EXF_OPTIONS.h.
313    o pkg/ecco:
314      - cost_gencost_customize.F,ecco.h,ecco_phys.F,ecco_readparms.F, and
315        ecco_summary.F: add passive tracer cost functions to gencost;
316        m_ptracer and m_boxmean_ptracer
317    o pkg/ctrl:
318      - ctrl_map_forcing.F: pass myIter and myTime to ctrl_map_forcing as input
319        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing; add to list
320        of implemented gentim2d contol parameters: xx_qnet, xx_empmr, xx_qsw,
321        xx_sst, xx_sss, xx_pload, xx_saltflux, xx_fu, xx_fv, xx_fe, xx_fn
322    o model/src:
323      - forward_step.F: pass myIter and myTime to ctrl_map_forcing as input
324        parameters; move myIter .EQ. nIter0 inside ctrl_map_forcing
325    o pkg/exf:
326      - exf_getffields.F: add to list of implemented gentim2d contol parameters:
327        xx_lwflux, xx_swflux, xx_evap, xx_apressure, xx_areamask
328    
329    checkpoint66c (2017/01/19)
330    o verification:
331      - add new option "-src" to testreport to only produce source code (*.f),
332        including taf output src code (if using '-adm'/'-tlm' option).
333    o pkg/exf:
334      - add saltflx :: Net upward salt flux in psu.kg/m^2/s
335    o pkg/diagnostics:
336      - add run-time variable diagMdsDir to specify a subdirectory for
337        diagnostic output when mds is being used and mdsioLocalDir is not.
338    o pkg/mnc:
339      - mnc_utils.F: edit stop message
340    o pkg/autodiff:
341      - autodiff_ini_model_io.F: PRINT_MESSAGE, clean-up comments, add _*_MASTER,
342        add HAVE_SYSTEM bracket around system call to mkdir
343    o pkg/profiles:
344      - profiles_findunit.F, profiles_init_fixed.F, profiles_interp.F,
345        profiles_readparms.F: call ALL_PROC_DIE before 'stop'
346      - profiles_ini_io.F: use PRINT_MESSAGE, clean-up comments, add _*_MASTER,
347        add HAVE_SYSTEM bracket around system call to mkdir
348    o pkg/smooth:
349      - smooth_filtervar2d.F, smooth_filtervar3d.F: call ALL_PROC_DIE before 'stop'
350      - smooth_init2d.F, smooth_init3d.F: move print statements to readparms
351      - smooth_readparms.F: add cleaner print statements from smooth_init?d.F
352    o pkg/exf:
353      - check: count errors and stop cleanly at the end (call to ALL_PROC_DIE);
354        issue error message when climsst_interpMethod.GT.0 and climsst_lon_inc > 500
355        generalize tests on interpMethod, nlat, and lon_inc to all exf variables.
356      - summary: skip detailed field report if not used (empty file-name).
357    o tools/xmakedepend:
358      - In case line editor "ed" is missing, switch to "sed" command to clean-up
359        Makefile from previous dependencies (anything after "# DO NOT DELETE" line).
360    o pkg/exf:
361      - change definition of "hflux" input file to always include Short-Wave;
362        this is now consistent with hflux computation (if using bulk-formulae)
363        and hflux diagnostic & documentation (in EXF_FIELDS.h).
364    
365    checkpoint66b (2016/12/01)
366    o model & momentum pkgs:
367      - implement fully implicit bottom friction combined with implicit surf.
368        pressure, for now, only in hydrostic formulation:
369        + to use: compile with #define ALLOW_SOLVE4_PS_AND_DRAG in CPP_OPTIONS.h
370          and run with selectImplicitDrag=2 ;
371        + currently missing diagnostics of bottom drag and vert. viscosity tendency;
372      - partial implicit time-stepping (bot. friction + vert. visc first, then
373        surf. press) corresponding to selectImplicitDrag=1 should be applicable
374        to NH formulation but not available until we solve for surf. pressure
375        increment (instead of full etaN).
376      - change exp. global_ocean.cs32x15.thsice to test implicit bottom drag
377        with implicit vertical viscosity.
378    o pkg/seaice: add linear remapping scheme (Lipscomb 2001) to ITD model
379      - this is a first version that includes many regularisations that may
380        not all be necessary, to be sorted out,
381      - turned on by runtime parameter SEAICEuseLinRemapITD (true by default)
382      - change one verification experiment in seaice_itd to use and test new code
383      - seaice_growth: catch a case where the argument of log can be zero
384        or smaller (important for code stability)
385    o model/src:
386      - modify SOLVE_DIAGONAL_LOWMEMORY version of solve_tridiagonal.F
387        & solve_pentadiagonal.F to enable to re-used inverse matrix for solving
388        similar A.X'=Y' system (with same matrix A) in subsequent calls;
389        switch based on errCode (In/Out) argument value; in calling routines,
390        initialise errCode before first call.
391    
392    checkpoint66a (2016/10/18)
393    o pkg/bling:
394      - BLING package now loads in atmospheric pCO2 file using exf package routines
395        Enable with #define USE_EXFCO2 in BLING_OPTIONS.h
396    o model/src & pkg/ptracers:
397      - with INCLUDE_IMPLVERTADV_CODE defined, also call MOM_U,V_IMPLICIT_R &
398        GAD_IMPLICIT_R (instead of IMPLDIFF) when just implicitViscosity and
399        implicitDiffusion (respectively) are used (even without momImplVertAdv
400        or temp,salt,PTRACERS_ImplVertAdv).
401    o model/src & generic_advdiff:
402      - add parenthesis in main diagonal calculation of implicit vertical
403        diffusion matrix (impldiff.F & gad_implicit_r.F).
404        This affects results at machine truncation level; update output of many
405        verification experiments (31 fwd ; 10 adm ; 8 tlm ; 3 oad).
406    o pkg/mom_commom & generic_advdiff:
407      - add deep atmosphere and anelastic scaling factor in implicit vertical
408        advection routines (mom_u,v_implicit_r.F & gad*_impl*_r.F).
409    o model/src:
410      - remove few unnecessary temp array copies in solve_tridiagonal.F
411        & solve_pentadiagonal.F
412    
413    checkpoint65z (2016/09/28)
414    o pkg/seaice: fix multithreading for seaice_fgmres.F
415      - remove unecessary variables from common blocks
416      - use extra dimension MAX_NO_THREADS for all variables of the Krylov space
417        basis, that are stored in commom blocks (including integer variable i1)
418      - clean up code a little by removing commented lines that refer to
419        original code
420      - turn on multi-threaded test for experiment offline_exf_seaice.dyn_jfnk.
421    o MITgcm manual:
422      - add uptodate pkg/ecco documentation to the manual (section 8.1; ecco.tex),
423        preliminary documentation for generic controls (8.3; ctrl.tex),
424        a placeholder for smooth (8.4; smooth.tex), and comment out the deprecated
425        ecco_costfunction.tex
426    o pkg/ecco:
427      - update and cleanup list of CCP options
428      - re-assign gencost_mask to specify masks rather than gencost_errfile; 'c'
429        is now always passed to cost_generic; gencost_mask is now MAX_LEN_FNAM
430      - add checks that retired run-time options are not used, and in relation
431        to gencost_mask and gencost_errfile
432      - finish deprecating gencost_scalefile, gencost_smooth2Ddiffnbt, and
433        gencost_nrecperiod
434      - fix m_eta computation for virtual salt flux case
435      - add m_horflux_vol case (selected via gencost_barfile) that computes
436        transports via cost_gencost_boxmean (gencost_flag=-3)
437      - use gencost_flag more systematically (i.e., avoid using gencost_name)
438        for code switches (aside from physical variable selection)
439    o pkg/seaice: make seaice_fgmres.F fit for multithreading; this first
440      attempt appears to be a bit of a hack and my need some repair down the road
441    o pkg/exf:
442      - interpolation near South Pole: fix criteria on input field latitude.
443    o pkg/icefront & pkg/exf:
444      - move setting of icefront Sub-Glacial RunOff forcing (currently unused)
445        from pkg/exf (read from data.exf) to pkg/icefront (read from data.icefront)
446    o pkg/exf:
447      - replace CPP option ALLOW_EXF_OUTPUT_INTERP with run-time parameter
448        "exf_output_interp" (in namelist: EXF_NML_04); change output file name
449        (add suffix "_out" instead of a prefix); keep same record number as in
450        input file but always write record 1 first (to avoid a STOP in I/O S/R).
451        Change output file content by writing interpolated field before applying
452        land-sea mask (helpful for debug).
453      - 2 compon. vector interpolation with rotation: apply scaling factor on
454        each compon. (Eastward and Northward) just before rotation.
455    o pkg/bling:
456      - Cleaned package. Removed not needed code and comments.
457      - adjoint example now works
458        (MITgcm_contrib/verification_other/global_oce_biogeo_bling/code_ad)
459    o pkg/ptracers:
460      - add Bruno Deremble's code to complete the linear surface correction
461        for tracer conservation;
462      - enabled for individual ptracers by PTRACERS_linFSConserve(iTr)=.TRUE.
463    
464    checkpoint65y (2016/07/29)
465    o pkg/debug (stats):
466      - change GLOBAL_SUM to GLOBAL_SUM_TILE (result independent of tile to
467        proc/thread mapping);
468      - fix Min & Max for case where 1 thread has only empty tiles;
469      - use RL variable to count number of wet grid points (with big domain,
470        can be too large to fit into integer*4).
471    o pkg/monitor:
472      - use RL variable to count number of wet grid points (but used only for del2)
473      - add new routine to compute Advective CFL within tracer time-stepping with
474        writing delayed until next monitor output.
475    o pkg/obcs:
476      - fix bug in OBCS_BALANCE_FLOW (OBCS_balanceFacN misspelled OBCS_balanceFacW)
477    o pkg/cal:
478      - calandar-dump: treat case myTime < timePhase in the same way as in
479        eesupp/src/diff_phase_multiple.F (when not using calandar-dump).
480    o pkg/dic & seaice:
481      - fix compilation of ocean component for coupled atm+ocn model with
482        seaice dynamics & dic.
483    
484    checkpoint65x (2016/06/11)
485    o add a license text file in main MITgcm tree.
486    o added pkg/bling:
487      - intermediate complexity biogeochemical model
488      - see bling_description.txt for details
489      - verification experiment is global_oce_biogeo_bling (for now, in
490        Contrib/verification_other/); tested daily on baudelaire with gfortran.
491      - add entry point in pkg/gchem for new pkg "bling".
492    o pkg/seaice: fix tensile stength computation
493      - replace global field tensileStrength by tensileStrFac
494      - tensileStrFac can be computed once in S/R seaice_init_varia
495      - fortunately that does not affect any verification results
496    
497    checkpoint65w (2016/05/12)
498    o pkg/ctrl/ctrl.h: fix a comma in common block list, so that code compiles
499         with ECCO_CTRL_DEPRECATED defined
500    o verification/global_ocean.cs32x15:
501      - change secondary test "viscA4" to also test "selectP_inEOS_Zc=3"
502        with "selectNHfreeSurf=1".
503    o model/src (non-hydrostatic free-surface):
504      - More "natural" expression of NH free-surface term (case selectNHfreeSurf=1):
505        was: tmpSurf/(1+tmpSurf); changed to: 1/(1+Gamma) with Gamma=1/tmpSurf.
506      - Calculate surface vertical velocity after 2-D solver adjustment (accounts
507        for EmPmR if RealFreshWaterFlux); used in RHS (cg3d_b) if exactConserv
508        and used to compute dPhiNH (in post_cg3d.F) if selectNHfreeSurf=1.
509        This fixes EmPmR contribution when selectNHfreeSurf=1 & RealFreshWaterFlux.
510      - Update output (changes at machine truncation level) of verification exp:
511        exp4 (11 digits for cg2d), global_ocean.cs32x15.viscA4 (11.d),
512        short_surf_wave (13.d) and tutorial_deep_convection.smag3d (12.d).
513    o pkg/seaice: ITD code
514      - fix picking up from a single category model by initialising
515        heff/area/hsnowITD = 0. in seaice_itd_pickup.F
516      - split a long warning message in seaice_check_pickup.F into two lines,
517        because NEC SX-ACE cannot deal with the long line.
518    o model/src:
519      - fix missing dPhiNH in pressure_for_eos.F (case: selectP_inEOS_Zc=3)
520    o pkg/seaice:
521      - add missing checks for SEAICE_ALLOW_KRYLOV and SEAICE_ALLOW_BOTTOMDRAG
522    o pkg/seaice:
523      - add basal stress as parameterisation for grounding ice
524        following Lemieux et al. (2015)
525      - turn on by setting new parameter SEAICEbasalDragK2 to a value
526        larger than 0. Lemieux et al. (2015) recommend 15.
527      - The adjoint complains with extra recomputations so there is also a
528        new cpp-flag SEAICE_ALLOW_BOTTOMDRAG that is undefined by default in
529        order to postpone the problem
530      - compile the new code in lab_sea
531    o verification/halfpipe_streamice:
532      - update both TAF and OpenAD adm output (machine truncation differences)
533    
534    checkpoint65v (2016/04/08)
535    o verification/advect_xz:
536      - increase overlap size from 3 to 4 and add new secondary test for PQM
537        advection scheme (with mono & wino limiter).
538      - change main exp. to test PPM (with weno limiter) adv.scheme on Temp.
539    o model/src:
540      - new parameters "top_Pres" & "seaLev_Z" (replacing Ro_SeaLevel and recently
541        added phi0Ref) to set vertical axis origin and phiRef origin;
542        keep Ro_SeaLevel for backward compatibility (with a warning).
543       According to coordinate and fluid type:
544        OCN in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(1), @ the top)
545        ATM in Z: top_Pres(Ref) (=rhoConst*PhiRef(1)), seaLev_Z (=rF(Nr+1) @ bottom)
546        OCN in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(Nr+1)/g, @ the top)
547        ATM in P: top_Pres (=rF(Nr+1)), seaLev_Z (= PhiRef(1)/g, @ the bottom)
548      - remove Ro_SeaLevel from ATM experiment parameter files;
549      - in tutorial_global_oce_in_p, remove Ro_SeaLevel and set top_Pres to the
550        complement; update output.txt (changes at machine truncation level).
551    o pkg/seaice/seaice_evp.F
552      - simplify computation of deltaZ and zetaZ to simple averaging following
553        Bouillon et al. (2013). This removes a lot of code, but also changes
554        verification experiment lab_sea.hb87 -> updated
555    
556    checkpoint65u (2016/03/14)
557    o pkg/generic_advdiff:
558      - from Darren: add PPM and PQM advection schemes (number 40-42 and 50-52)
559        with 2 types of limiter (see: Engwirda & Kelley, submit. to JCP);
560        Note (from Darren): unlimited PPM/PQM scheme (40 & 50) are just for
561        testing and not for actual use.
562    o model/src:
563      - add parameter "phi0Ref" to specify reference [pressure/geo] potential at
564        origin r = rF(1);
565      - add options (parameter selectP_inEOS_Zc) to select which pressure to use
566        in EOS for height coordinate: enable to include NH Pressure or to use
567        more accurate pressure vertical profile; options not linked to EOS type
568        (as previously, e.g., JMD95P/JMD95Z) but set default according to EOS type;
569      - start to implement variable gravity (along vertical): for now, only with
570        z-coords (not even z*).
571      - add Ideal Gas equation of state for height coordinate.
572      - update OpenAD output (affected at machine truncation level) of exp:
573        global_ocean.90x40x15, OpenAD (std) and tutorial_global_oce_biogeo.
574    o pkg/exf:
575      - add ALLOW_EXF_OUTPUT_INTERP cpp switch to output the result
576        of exf interpolation (before any rescaling, rotation or interpolation
577        to velocity point) for each field that gets loaded from file. This option
578        identically mimics the input file organization (e.g. record numbers in year
579        by year input files) besides the change in horizontal grid.
580      - add rotateStressOnAgrid run-time switch so that wind stress fields
581        can be provided on the A-grid in zonal/meridional direction and
582        rotated on the fly. This only applies to the case when the exf
583        interpolation is off and rotateStressOnAgrid is false by default.
584    o model/src:
585      - rename internal parameter "useDynP_inEos_Zc" to "storePhiHyd4Phys" (since
586        it's also used with pkg/atm_phys) and add few more parameters (but still
587        inactive, src code yet to come)
588    
589    checkpoint65t (2016/02/10)
590    o pkg/atm_phys:
591      - from Ruth Geen: add optical depth dependence on CO2 concentration.
592    o model/src:
593      - fix vertical inter/extra-polation of density factor rhoFacF (for anelastic)
594        for the case setCenterDr=T (delRc set from "data"); add output of rhoFacC&F.
595        Update output of exp. deep_anelastic (changes at truncation level).
596    o tools:
597      - add a hack in "remove_comments_sed" (used only with TAF) for recent
598        version of OpenMPI (shipped with FC.23): comment out the new header
599        file "mpif-sizeof.h" which causes problems to TAF.
600    o pkg/seaice:
601      - change the termination criterion so that maxits (SEAICElinearIterMax)
602        has an effect
603      - unify iteration parameters for implicit solvers (JFNK and Picard)
604        SEAICEnonLinIterMax replaces SEAICEnewtonIterMax/NPSEUDOTIMESTEPS
605        SEAICElinearIterMax replaces SEAICEkrylovIterMax/SOLV_MAX_ITER
606        SEAICEpreLinIterMax replaces SOLV_MAX_ITER in preconditioner
607        SEAICEpreNL_IterMax replaces NPSEUDOTIMESTEPS in preconditioner
608        SEAICEnonLinTol     replaces JFNKgamma_nonlin
609      - remove S/R SEAICE_FGMRES_DRIVER and put content into S/R SEAICE_JFKN
610      - add new Picard-Krylov solver, compile with SEAICE_ALLOW_KRYLOV and
611        use with SEAICEuseKrylov
612    o pkg/seaice/seaice_lsr.F
613        fix small bug: replace zetaZ by zetaZloc in S/R seaice_lsr_rhsu/v; only
614        relevant if SEAICEuseStrImpCpl=T, and even then it does not seem to have
615        an effect.
616    o pkg/seaice: add two new parameters
617      - SEAICEuseLSR to simplify the logic in seaice_dynsolver (this
618        parameter is not in any namelist)
619      - SEAICEusrPicardAsPrecon to allow s/r seaice_lsr to be used as
620        a preconditioner for the non-linear Newton iteration of the JFNK
621        solver
622    o pkg/seaice/seaice_lsr.F: replace 1./SEAICE_deltaTdyn with recip_deltaT,
623      affects some experiments at truncation level:
624      - global_ocean.cs32x15.icedyn (11 digits),
625      - global_ocean.cs32x15.seaice (11 digits),
626      - seaice_itd (12 digits), seaice_itd.lipscomb07 (12 digits) -> update
627      - also update global_ocean.cs32x15 adjoint and tangent-linear results
628    o pkg/salt_plume & pkg/thsice:
629      - for coupled  set-up with pkg/thsice in ATM and pkg/salt_plume in OCN,
630        connect salt_plume flux to ATM-OCN coupling pkgs interface:
631       a) in ATM: also cumulate salt-plume flux in S/R THSICE_SALT_PLUME (for
632         export to coupler interface) even without compiling pkg/salt_plume ;
633       b) in OCN: apply coupler salt-plume flux to pkg/salt_plume field
634         (saltPlumeFlux) just before exch call, in S/R SALT_PLUME_DO_EXCH.
635    o pkg/dic:
636      - use the updated seaice fraction (from seaice pkgs) for DIC forcing
637        instead of the previous time-step value ; done in new S/R DIC_FIELDS_UPDATE
638        called from the top of dic_biotic_forcing.F (instead of in DIC_FIELDS_LOAD);
639      - move also update with values from ATM-OCN Coupler in the same new S/R
640        (previously done in ocn_apply_import.F).
641    o tools/adjoint_options:
642      - specify explicitly "-f77" or "-f90" in default ad-optfile since TAF (default)
643        has been changed on Jan 14, 2016.
644    o pkg/ggl90:
645      - add alternative discretisation of vertical shear (off by default), to
646        compute the mean (@ grid-cell center) of vertical shear compon instead of
647        vertical shear of mean flow (@ grid-cell center).
648      - add correct parenthesis in ALLOW_GGL90_SMOOTH code to get the same truncated
649        results on adjacent faces of cubed-sphere grids; this fix the restart.
650    o pkg/atm_compon_interf:
651      - skip time-ave over cpl_atmSendFrq of Sea-Level Pressure (atmSLPr) and just
652        pass last value, stored directly before export to CPL ;
653        Note: this affects results of Coupled set-up where OCN uses useImportSLP=T
654      - remove atmSLPr from pickup files (no longer needed for restart)
655    
656    checkpoint65s (2016/01/13)
657    o eesupp & genmake2:
658       - first check for Function ETIME and, if it fails, then check for subroutine
659         ETIME and consistent output; use the appropriate version in timers.F
660    o model/src:
661      - to check restart test, add option to apply EXCH to U,V earlier, just before
662        integr_continuity; turned off by default.
663    o pkg/dic:
664      - remove CPP option USE_ATMOSCO2 (not needed)
665    o tools/tst_2+2:
666      - try to ignore difference between +0 and -0 in binary file, causing test
667        to fail for no good reason.
668    o eesupp & genmake2:
669      - put back modif from Jinxuan Zhu - change etime fct call to S/R call -
670        but also check (in genmake2) that test runs and returns meaningful results.
671    o coupler pkgs:
672      Finish implementation of optionally-exchanged variable switches (started on
673       Nov 12) with addition of few more exchanged fields, including 2-way exchange
674       of pkg/thsice vars to allow to use seaice dynamics (from pkg/seaice) & seaice
675       advection in OCN component; this requires sequential coupling.
676      coupler (pkg/atm_ocn_coupler):
677      - add argument msgUnit and iter number to CPL_SEND/RECV_ATM/OCN_FIELDS
678        routines (useful for debug).
679      - only export/import optionally exchanged fields (RunOff, seaice, Salt-Plume
680         flux, DIC fields) if corresponding switch is ON.
681      - add option to export RunOff to OCN (to use for DIC river input)
682      - add 2-way thSIce vars exchange; check for consistent cpl_sequential setting.
683      components (pkg/atm_ & ocn_compon_interf):
684      - to save memory space in ATM & OCN comp: add some #ifdef ALLOW_${PKG} around
685        optionally exchanged fields; add a check & stop in cpl_readparms.F.
686        ATMCPL.h: ALLOW_LAND for RunOff, ALLOW_THSICE for seaice, ALLOW_AIM for CO2;
687        OCNCPL.h: ALLOW_SALT_PLUME, ALLOW_DIC for DIC, ALLOW_THSICE for 2-W thsice.
688      - rename:   fracIce     -> sIceFrac_cpl (<- match coupler var name)
689        + in ATM: fracIceTime -> sIceFracTime ; seaIceTime -> sIceMassTime.
690      - add 2-way thSIce vars exchange ; add Salt-Plume flux ; add RunOff in OCN.
691      - hold in common block coupler optionally-exchanged variable switch
692        and set default "useImportXXX" accordingly; + check & stop if inconsistent.
693      - add diagnostics for all imported fields from coupler (in both OCN & ATM);
694        this is intended to replace the OCN cplFldtave.* output files (not updated
695        to contain new additional exchanged fields).
696    o pkg/dic:
697      - fix an other bug (also from 2014/08/30) in dic_atmos.F, in dic_int1=3 code.
698    o pkg/thsice:
699      - when coupled to ATM (useCoupler) with thSIce_skipThermo=T, skip reading
700        and writing of thsice pickup files.
701    o pkg/atm_compon_interf:
702      - move all field individual export-call out of cpl_export_import_data.F
703        into new S/R ATM_EXPORT_FIELDS
704    o pkg/atm_compon_interf:
705      - store state variables (for now, only thSIce fields) just before beeing
706        exported (in cpl_export_import_data.F, like on ocean side) instead of from
707        atm_store_my_data.F like all exported fluxes.
708      - new version of pickup_cpl: write field names into meta file and read meta
709        file to find field postion in pickup. Also only write/read fields meeded for
710        restart (same logic as main pickup file ; also using pickupStrictlyMatch)
711    o pkg/dic:
712      - fix bug (added on 2014/08/30) in dic_atmos.F for the case dic_int1= 2 or 3.
713    o pkg/seaice: add new parameter SEAICEpressReplFac to choose between
714        pressure replacement method (=1., default) or original Hibler (1979) (=0.)
715        value can be from domain [0,1] to average between the two methods
716    o pkg/atm_phys:
717      - allow to provide 2-d map of albedo and mixed-layer depth from files (but
718        hold fixed in time).
719    
720    checkpoint65r (2015/12/21)
721    o pkg/seaice:
722        fix bug in tridiagonal solvers for SEAICE_OLx/y>0, this affects the JFNK
723        solver (offline.dyn_jfnk) and global_ocean.cs32x15.seaice -> updated
724    o pkg/seaice:
725      - fix a bug in computing areaS in (J-J -> J-1) that affects runs
726        when SEAICEscaleSurfStress=.TRUE.,
727      - apply areaW and areaS in S/R seaice_calc_lhs
728    o pkg/atm_phys:
729      - add diagnostics for 3-D, Nr+1 levels diagnostics of radiative fluxes
730        (shortwave & longwave, net & downward) and diagnostics of temp. tendency
731        for individual contribution (convection, LSC cond, radiation)
732      - add Ruth Geen etal, GRL 2016, radiation options (see paper supp.
733        information); activated with: solar_exponent=0. and wv_exponent=-1.
734    o pkg/ggl90:
735      - within IDEMIX add upper limit for horizontal group velocity to
736        avoid instability problems in the explicit horizontal diffusion term for
737        long time steps or high resolution
738    o pkg/diagnostics:
739      - simplify setting of local-array size in diagstats_output.F: uses "numLevels"
740        (from DIAGNOSTICS_SIZE.h) to allow to write out more than Nr levels.
741    o testreport:
742      - remove "-v" (verbose option) in default mpirun command.
743    o pkg/seaice/seaice_growth:
744      - catch potential division by zero in ITD code, does not change
745        verification results
746    o pkg/ecco:
747      - retire old codes to the Attic. The calls to retired functions are
748        left in a commented form in case they ever need to be re-activated.
749      - ecco_check.F: issue warning if any old CPP option is
750        defined that corresponds to retired codes -- then stop.
751    o pkg/atm_compon_interf:
752      - change seaice fraction (use for OCN dic surf.flux) stored and sent to
753        coupler: use last time-step value instead of average over cplSendFrq_iter
754        time-step, similar to what is done for seaIceMass.
755        This will affect results (pkg/dic) of coupled ATM-OCN+dic set-up.
756    o eesupp & genmake2:
757      - from Jinxuan Zhu: change etime fct call to S/R call (fix gfortran ETIME);
758        <= remove until a fix is found for some ifort version on ia32 machine.
759    o pkg/seaice/seaice_evp:
760      - refine residual computation
761    
762  checkpoint65q (2015/11/18)  checkpoint65q (2015/11/18)
763  o pkg/seaice/seaice_evp:  o pkg/seaice/seaice_evp:
764    - fix residual computations so that they no longer affect the actual    - fix residual computations so that they no longer affect the actual
# Line 497  o model/src & mom pkgs: Line 1252  o model/src & mom pkgs:
1252      just copy level Nr value to level Nr+1.      just copy level Nr value to level Nr+1.
1253  o doc:  o doc:
1254    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.    - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
1255  o pkg/streamice:  o pkg/shelfice:
1256    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,    - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
1257      SHELFICE.h: move array shelficemass to init_varia, initialise      SHELFICE.h: move array shelficemass to init_varia, initialise
1258      from array shelficemassinit, which is set in init_fixed and      from array shelficemassinit, which is set in init_fixed and

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