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revision 1.175 by dimitri, Mon Aug 4 22:53:41 2003 UTC revision 1.596 by jmc, Sat Dec 31 01:21:41 2005 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint57z_post
8    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
9      affects output (@ truncation level) of exp. plume_on_slope ; updated.
10    o fix the pickup behavior for obcs in combination with ptracers
11    o fix a bug in ptracers_external_fields_load
12    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
13      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
14    o transfered surface NH pressure to eta field (if exactConserv).
15    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
16         and update lab_sea output.txt file.
17    o completing 3-dim. relaxation code: additional term
18         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
19      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
20      * At compile time, in "EXF_OPTIONS.h" set
21          #define  ALLOW_CLIMTEMP_RELAXATION
22          #define  ALLOW_CLIMSALT_RELAXATION
23      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
24          tauThetaClimRelax3Dim = 15552000.0,
25          tauSaltClimRelax3Dim  = 15552000.0,
26      * 3 cases:
27          1) Use a constant-in-time 3-dim. field
28          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
29          3) Real-time relax. to time-evolving prescribed field
30    o Adding Laplacian-type smoothness constraint on
31      initial and boundary (forcing) controls (ic, bc)
32      * enable at compile-time via
33        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
34      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
35      * Absolute scale somewhat unclear so far
36      * no area weighting was included since no other cost term does so far
37    
38    checkpoint57y_post
39    First step for a NLFS adjoint
40    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
41    o new init. routines for calc_r_star, calc_surf_dr
42    o still need to deal with ini_masks_etc
43    o testreport seemed happy
44    checkpoint57y_pre
45    
46    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
47    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
48    o add new offset feature to offline pkg (plus minor cleanup)
49    o cfc fixes for final year of integration
50    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
51      be in GCHEM_OPTIONS).
52    
53    checkpoint57x_post
54    o fix testreport Pb in multiple test experiment.
55    o cleanup our namelist syntax in verification:
56      - make it more F95 standards compliant (some work still needed)
57      - allows the vast majority of our tests to work with gfortran
58    o Non-Hydrostatic:
59     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
60     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
61    o Allow to apply AB on T,S rather than on AB(gT,gS):
62     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
63     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
64       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
65     - need a "clever" read_pickup to restart from the other AB formulation
66    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
67    o remove some unused variables (reduces number of compiler warnings)
68    o adjoint
69      * Disable useVariableViscosity for adjoint for time being
70        (there are a number of extensive recomputations)
71      * Initialize certain variables needed for adjoint
72    
73    checkpoint57w_post
74    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
75                 fix the singleCpuIO RS version of MDSWRITEFIELD
76       and add a WARNING if using globalFiles=T with multi-processors.
77    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
78      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
79    o tracer advection scheme:
80      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
81       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
82       was not very convenient).
83      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
84       (further tests needed for the implicit DST & Flux-Limiter schemes).
85    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
86      and sRef for convenience, handy, when you want to initialize
87      ptracers in a large domain with a constant non-zero value. Also,
88      untangle ptracers_init.F a little.
89    
90    checkpoint57v_post
91    o change dome exp. to use variable viscosity in side-drag terms.
92    o remove all the files from the cfc_offline test since they are now
93      incorporated into tutorial_cfc_offline which has been producing
94      identical results for a few days of testing
95    o add new parameter: sideDragFactor to enable half-slip-side BC
96      and change side-drag S/R to use viscosity from mom_calc_visc
97      (can switch back by setting sideDragFactor=0.); affects results at
98      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
99       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
100    o vorticity & strain are now computed without masking, to account for
101      no-slip-side BC in variable viscosity calculation ; mask is applied
102      anyway later on, before computing advection/coriolis terms.
103    o modify exp4 to test new obcs support for reading from external files
104      and for passive tracers
105    o fix behavior of ptracers_monitor when monitor output is written to a
106      netcdf-file; still not independent of monitor.F (writes in the same
107      file).
108    o change default value of tRef (put a uniform, meaningful value for ocean
109      & atmos) and initialize sRef (was missing, as Martin mentioned).
110    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
111      to be proportional to enstrophy dissipation length.  Thus,
112       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
113      This is now consistent with Smagorinsky and with the manual.
114    
115    checkpoint57u_post
116    o OBCS and PTRACERS: add open boundary support for passive tracers
117      - either use homogenous (pseudo) v.Neumann conditions or prescribe
118        OB-values from file; this is not different from the way theta and salinity
119        are treated
120      - however, Orlanski-radiation conditions are not supported, and the model
121        will stop if you use pTracers and Orlanski at the same time.
122      - beefed up the rountine obcs_external_fields_load: now only those open
123        boundary values are overwritten with values from files for which there
124        are really files, otherwise the OB-fields remain untouched. This makes
125        it possible to use different OBs at different ends of the domain (as
126        with EXF)
127    o reduce number of exch calls in shap_filt (s2).
128    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
129      truncation level) 4/5 MLAdjust test results (11&12 digits match).
130    
131    checkpoint57t_post
132    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
133    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
134      same truncation, independent of the face number: affects affects several
135      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
136    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
137      note that biharmonic viscosity + no-slip was not tested in any experiment.
138    o fix bug in non-linear free-surf side-drag ; generate new output for
139      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
140    o make mnc honor the writeBinaryPrec flag for most kinds of output
141    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
142    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
143      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
144    o add brackets in multi-terms sum to get same truncation, independent of
145      the face number (manage to get exactly same value of gU,gV at the cs-edge)
146      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
147    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
148      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
149      a maximum grid-scale Reynolds number.  Also, changes all length calculations
150      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
151      Suggested values of viscosity parameters found in mom_calc_visc.
152      Many new viscosity diagnostics available.
153    
154    checkpoint57s_post
155    o Add clearing-house for viscosity calculations, mom_calc_visc and
156      correct numerous bugs in LeithD and Smagorinsky discretizations.  
157      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
158      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
159      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
160      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
161      The Strain-Tension form is now called with useStrainTensonVisc=.true.
162      ViscAhStrain and viscAhTension are now retired.
163    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
164    o In response to JMC's bug report, genmake2 now ignores any soft-links
165      that it finds in the *current* directory when searching for files.
166      Soft-links found in any other source directories will still work as
167      they did before.
168    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
169      a C routine to unlimit the stack size
170    o mnc-ify pkg/aim snapshot vars
171    o mnc-ify pkg/land as requested by Daniel
172    o various changes to mnc including:
173      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
174      - output can now be grouped so that all files within a group
175          change the ITER portion of their names in lock-step together
176      - can now read ("global") PER-FACE (in addition to PER-TILE) files
177          and works with both EXCH1 and EXCH2 (but needs more testing)
178      - writing works for all verification test cases w/ g77 on Linux
179    
180    checkpoint57r_post
181    o make MNC variable initialization happen earlier
182    o add diagnostics for (almost) each term of the momentum Eq.
183    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
184    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
185    o remove MINIMAL_TAVE_OUTPUT option ;
186      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
187    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
188      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
189    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
190    o add time-dependent SST, SSS control
191    o cost terms in ecco/ modularized (new cost_generic.F)
192    o cost_averages routines are modularized (new cost_averagesgeneric.F)
193    o new infrastructure for seaice model vs. obs misfits in seaice/
194      * driver from the_main_loop.F is seaice_cost_driver.F
195      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
196      * gradient check in Exp. 6a of natl_box_adjoint/
197    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
198      (see README file)
199    
200    checkpoint57q_post
201    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
202    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
203      - bug was reported by Jean-Michel and Ian Fenty
204    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
205      update exp. cpl_aim+ocn output.
206    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
207      Needed for high-res. runs with large global files
208      to be able to limit tapelev size
209    o Changed some tests for adjoint:
210      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
211      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
212      * global_ocean.90x40x15/ back to default 3-level checkpointing
213    o Modifications to enable scripted COMMON to MODULE conversion
214      * verification/OpenAD/code/ has necessary scripts and description;
215      * converts, compiles and runs successfully;
216    
217    checkpoint57p_post
218    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
219    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
220      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
221    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
222    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
223      (was already the case for dissipation with mom_vecinv,
224       and also the case for grad.PhiHyd when staggered-timeStep)
225      This will allow to put dissipation out-off the AB time-stepping.
226     Unfortunately, affects truncation error. Update output of exp. that "fails"
227      (cg2d matching number) and leave the others for later: front_relax(10),
228      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
229      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
230    
231    checkpoint57o_post
232    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
233      (2) its ready to be documented during the 20050801 DocFest
234    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
235      for ideal_2D_oce and lab_sea on linux_ia32_g77
236    o set to #undef CTRL_SET_OLD_MAXCVARS_30
237      in global1x1_tot/code_seaice_adj to access indices 32, 33
238      (worth another tag)
239    
240    checkpoint57n_post
241    o adding precip control xx_precip 32
242    o adding swflux control xx_swflux 33
243    o Replacing 10 forcing penalty cost routines by 1 generic.
244    o Implementing partitioning in time-mean and variable adjustment
245      for atmos. state.
246    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
247    o in natl_box_adjoint:
248      * updated exp 1 to 10
249        (but does not have time-mean vs. variable split results yet)
250    o updated global1x1/*_seaice_adj/
251      to incorporate latest changes
252    o enable useSingleCpuIO for mdsio vector routines
253      (applies in particular to tapelev I/O)
254    o removed inefficient K-loop in all active_file*control*.F
255    
256    checkpoint57m_post
257    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
258      and advect_cs (use EXCH-2 and standard cs-32 grid files).
259    o pkg/exch2: filling of face-corner halo regions is optional
260      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
261    
262    checkpoint57l_post
263     tag before updating tutorials (pre-release-2)
264    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
265       for output and interpolation of input fields onto model grid)
266    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
267       Affects results of exp. rotating_tank ; update output.txt.
268    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
269          and taking the square quantity and/or using a fraction-weight field.
270    o fix aim_diagnostics_init.F mate numbers.
271    o add mnc output capability to diagnostics/diagstat and update
272      our cvsignore files for the ACSII output generated
273    
274    checkpoint57k_post
275    o lab_sea now uses diagnostics package and provides a suite of
276      new EXF diagnostics output.
277    
278    checkpoint57j_post
279    o exf
280      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
281        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
282        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
283      * extended diagnostics output
284        - now includes all EXF variables
285        - hs, hl moved to common block
286        - separate S/R for diagnostics, called after ctrl vector is added
287        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
288        - EXFqnet contains true Qnet (i.e. includes qsw)
289      * updated verif. lab_sea, global_with_exf
290      * Rearranging hflux (exf_mapfields -> exf_getforcing)
291        to ensure that diagnostics sees a true EXFqnet
292    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
293    o diagnostics pkg: change pointers so that 1 diagnostic can be used
294      several times with different frequencies.
295    o mnc-ify the thsice package as requested by Daniel Enderton
296      - the monitor--MNC output needs work
297      - many attributes need to be added (most are currently blank)
298    o mnc-ify theaim_v23 package as requested by Daniel Enderton
299      - many attributes need to be added (most are currently blank)
300    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
301    o add Sadourny like discretization to the 4th.O vorticity advection scheme
302    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
303      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
304         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
305    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
306     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
307    
308    checkpoint57i_post
309    o Diagnostics package was changed: diagnostic allocation is now deactivated
310      by setting an empty file name in the namelist (used to be by setting 0 frequency)
311    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
312      add 1rst Order upwind vertical Shear.
313    o add a quick fix for A/B checkpointing in OFFLINE mode
314    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
315      end-run around the C/Fortran linking horror in eesup/src/timers.F
316    o added pkg/runclock: allows user to terminate run based on wall clock
317    o added non-hydrostatic scaling parameter: nh_am2
318    o pkg/my82: futile attempt to make results compiler-independent by adding
319      some "_d 0", etc. no effect.
320    o for mnc output, fill the 'T' coordinate var with myTime and create a
321      separate 'iter' variable for iteration count
322    o pkg/diagnostics:
323      add new capability: output of Global/Regional & per-level statistics ;
324      tested against monitor output (including land & thSIce) on various exp.
325    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
326    
327    checkpoint57h_done
328      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
329      data.diagnostics, data.gchem, data.ptracers) is done.
330    
331    o pkg/diagnostics: prepare for Global/Regional statistics.
332      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
333    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
334      and rename it: DIFFERENT_MULTIPLE
335    
336    checkpoint57h_post
337    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
338    o pkg/diagnostics: change output frequency, now in seconds (instead
339      of Nb of iterations). This requires to change data.diagnostics.
340    checkpoint57h_pre
341    
342    o in mnc, let the user create the output dir if both mnc_outdir_date
343      and mnc_outdir_num are false
344    o add fflags() to pkg/diagnostics which allows one to specify, on a
345      per-file basis, the file precision [default behavior is unchanged]
346    o added diagnostics to pkg/kpp, including computation of mixed layer
347      depth based on a temperature/density criterion
348    o updated verification/natl_box to test the new pkg/kpp diagnostics
349    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
350    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
351    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
352      not mnc -- this mistake was found by JMC and is now corrected
353    
354    checkpoint57g_post
355    o add Adams-Bashforth 3rd Order time stepping:
356      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
357      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
358    checkpoint57g_pre
359    
360    o make lambda[Theta,Salt]ClimRelax spatially varying
361      (default remains spatially uniform constant based on tau)
362    o added new control variables
363      * init. uVel, vVel, etanN
364      * lambda[Theta,Salt]ClimRelax
365    o separate masks used for ctrl_pack/unpack 'from write_grid' output
366      (suggested by G. Forget)
367    
368    checkpoint57f_post
369    o add parameter "baseTime" = model base time = time at iteration zero
370      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
371      account for baseTime shift
372    o move Coriolis arrays from PARAMS.h to GRID.h
373    checkpoint57f_pre
374    
375    o mnc-ifying the seaice package
376    o introduced an alternative length scale calculation for use in the limiting
377      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
378    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
379    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
380      as well as grad(vort3).  Made it compatible with both approximate form
381      for the cubed sphere and full form of these gradients.  Added flag
382      useFullLeith to select between approximate and full form.  
383    o add "d0" in getcon.F to reduce differences between compilers/platforms
384      update output.txt of exp. fizhi-gridalt-hs
385    o change port_rand funtion to allow to set the seed.
386    o fix obscure MNC bug involving conversion between reals and integers
387      - it caused no problems with certain (eg. gcc, ifc) compilers but the
388        new version is now more standards-compliant
389    o adjoint-related modifications
390      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
391      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
392      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
393    
394    checkpoint57e_post
395    o Adding eddy stress controls a la Ferreira et al.
396    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
397    
398    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
399      update output.txt of exp. fizhi-gridalt-hs
400    o add more "Z" dimensions and associated coordinate vars to MNC
401    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
402    o parameter calendarDumps: when set, approximate months (30-31 days) and years
403      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
404      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
405      months and years.  Requires pkg/cal.
406    o diagnostics: add pickup functionality
407      - off by default for backwards compatibility
408      - current version only uses MDSIO -- MNC will be added
409    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
410    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
411    
412    checkpoint57d_post
413    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
414    o modify verification/ideal_2D_oce so that it tests the creation of mnc
415      output from the diagnostics package
416    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
417    o make genmake2 more portable by using ".$FS" instead of ".f" for more
418      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
419    o add coordinate variables to the MNC output from the diagnostics package
420    o change MNC-flags default value: true when useMNC=TRUE
421    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
422      the ability (off by default) to read the grid information using MNC
423    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
424    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
425    o do snap-shot diagnostics at the middle of the time-interval (instead of
426      at the end).
427    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
428      new test for AIM with thSIce + slab-ocean
429    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
430    o move state variable diagnostics to the beginning of the time step ;
431      (note: still needs some work specially for snap-shot diagnostics)
432      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
433    
434    checkpoint57c_post
435    o Change testing option (-ieee) to get closer agreement between g77 & ifort
436    o generate new output.txt files on faulks with g77 & the new -ieee option
437    checkpoint57c_pre
438    
439    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
440      update output.txt of exp. global_ocean.90x40x15
441    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
442      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
443    o add saltFlux(+File) forcing capability with periodicExternalForcing
444    o allow to use pkg diagnostics for GM-Redi & ThSIce output
445    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
446    o improvements for the MNC output from DIAGNOSTICS:
447      - correct handling of the unlimitied dimension
448      - all dims now have associated coordinate variables
449      - variables located at U, V, and Corner ("Z") points are now written
450        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
451        *all* data points are output
452    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
453    o added pkg/seaice/seaice_monitor.F
454    o mdsio_readfield.F can now read files visible only to master MPI process.
455    o pkg/seaice: some test code for ice-modified ocean stress
456    o exf_getffields interpolation defaults to bilinear for all scalar forcing
457      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
458      spurious negative numbers for precipitation and humidity.  Will cause
459      some small numerical differences for integrations using pkg/exf/exf_interp.F.
460    o pkg/ctrl/
461      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
462        May be enabled via doPackDiag
463      *  introduce z-scaling of
464         + gradient (doZscalePack) and
465         + control (doZscaleUnpack)
466    o pkg/mdsio/
467      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
468      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
469    
470    checkpoint57b_post
471    o simplify options in diagnostics_fill arguments (remove weird combinations)
472    o fix MNC coordinate variables so that they now contain per-face index
473      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
474      general, EXCH2 grids are only aligned to a "local" coordinate system
475    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
476    o Implement instantaneous output within pkg diagnostics:
477      setting a negative frequency in data.diagnostics produces
478     "snap-shot" output (as opposed to time-average if freq > 0)
479    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
480      NOTE: change ptracer diagnostics name: use 2 characters to work with
481            more than 9 tracers. Add also diagnostics of advect & diffus flux.
482    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
483      becomes the coordinate variable for the 'T' dimension
484    o add CF-style coordinate variables to MNC
485      - just a first cut:  numbers are meaningless on the cubesphere and
486        missing along the T axis but otherwise it works!
487    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
488    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
489    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
490      this is based directly on what the model compute, so that the content of
491      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
492    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
493    o clean up build options files for SunOS, in particular
494      - remove -traditional from xmakedepend
495      - change -xarch=v9 to -xarch=native for f77
496      - restore use of make (not gmake)
497      - add CC=gcc if using g77
498    o changes per discussion of AM, JMC, & EH3 today:
499      - move redundant "grid" variables out of "state" -- in preparation of
500        creating proper CF-style coordinate variables and in recognition
501        that any/all grid variables can be easily copied (eg. w/NCO) from
502        the grid files into any of the other NetCDF files
503      - *always* output grid variables with MDSIO (this will eventually be
504        changed)
505      - output MNC grid file if useMNC is true
506    o every instance of _END_MASTER() has been found and replaced with
507      _END_MASTER( myThid ) in order to satisfy certain picky Sun
508      preprocessors
509    o re-arrange diagnostics pkg initialisation:
510     - allow each package to extend the available diagnostics list
511     - add some checking and fix small problems (multi-threaded, ...)
512     - new S/R diagnostics_fill (replace fill_diagnostics):
513       look through the short list of active diag. (instead of the long list)
514       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
515    
516    checkpoint57a_post
517    o this set of changes restores TAMC compatibility
518      tested for global_ocean.90x40x15 adjoint on trough
519      (what a pain)
520    
521    checkpoint57a_pre
522    o some modifs in tools/build_options for sunos
523    o call ctrl_pack for ctrl at end for optimcycle=0
524    
525    checkpoint57
526    o add horizontal bi-harmonic viscosity for vertical velocity
527      - new parameter viscA4W (defaults to viscA4)
528      - affects only non-hydrostatic code
529      - to be done: no-slip lateral boundary conditions
530    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
531    o implement Implicit Vertical advection for pTracers
532    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
533      (implemented also for implicit vertical diffusion & advection)
534    o OBCS: extend application of tracer open boundary conditions
535      to a strip beyond the boundary of width Olx/Oly
536    o add call monitor to TAF set of required calls (flow directives)
537      and include in natl_box_adjoint
538    o untangle a few ifdefs related to cost, ctrl, autodiff
539      untangel a few ALLOW_ECCO_OPTIMIZATION
540    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
541      (theta2, salt2 in ecco_cost_weights)
542    
543    checkpoint56c_post
544    o OBCS as control variables
545      - update ctrl_ad_diff.list, obcs_ad_diff.list
546      - remove balance of obcs controls from default
547      - fix index bug nobcs in ctrl_init
548      - fix dummy fields filen in ctrl_pack
549      - add dummy weights for obcs
550    o lsopt: comment out fort.94 output
551    o optim:
552      - remove unnecessary header files
553      - adjusted namelists
554      - add xerbla.F to Makefile
555    o exf:
556      - multiple modifications of exf_check_range
557      - unit change in exf_init_runoff from [m/year] to [m/s]
558    o mdsio:
559      - i/o-vector change debugLevel from debLevA to debLevB
560    
561    checkpoint56b_post
562    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
563      is called from DO_THE_MODEL_IO
564      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
565      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
566      - clean up PTRACERS_WRITE_TIMEAVE a little
567    o add another verification experiment that tests both the cfc-pkg and
568      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
569      reactive tendencies treated inline with regular timestepping
570    o testreport previously did a lousy job of comparing small numbers, so
571      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
572      implemented in the little c-progam tmp_cmpnum.c which is embedded in
573      testreport.
574    o ptracers_monitor: bug fix for MPI
575    
576    checkpoint56a_post
577    o GCHEM: finish reorganizating the package
578      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
579        (introduces another 3D-array for each passive tracer, but only if
580        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
581        gchemTendency is not needed because the timestep is done separately)
582      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
583      - GCHEM is now---more or less cleanly---separate from PTRACERS
584      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
585        so clear to me how that should be done in a general way.
586    o CFC: improve formatting of output in CFC_ATMOS
587    o PTRACERS:
588      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
589        that ALL experiments with ptracers enable can be checked. This makes
590        GCHEM_MONITOR obsolete.
591      - include a runtime parameter PTRACERS_monitorFreq that defaults to
592        monitorFreq
593      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
594    o add PTRACERS (PTR0[1-5]) to testreport output
595    o exf_check_range:
596      * default changed to .TRUE.
597      * will check values for niter0 if debLevA, every timestep if debLevB
598      * STOP in exf_check_range if 'out of range'
599      * range chosen generous to allow for potential extema
600      TBD: a version with stricter range
601           permitted range would be runtime parameters
602    o GMredi:
603      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
604      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
605      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
606    o GCHEM:
607      - move call to GCHEM_FORCING_SEP, so that it is now called before
608        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
609      - introduced a useGCHEM runtime flag and applied it everywhere.
610      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
611        this flag is now only visible within GCHEM-pkg routines.
612      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
613        be replaced by a 3D array that is computed before thermodynamics; for
614        this, the tracer ID iTracer had to be included into the parameter list
615        of ptracers_forcing
616      - set up forward_step to call gchem_forcing, that will replace
617        gchem_forcing_int in ptracers_forcing
618      - cleaning up
619    o small cleaning of exch2: remove files that are also in eesupp/src
620    
621    checkpoint56
622    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
623    o mnc: cleanup "full" files--fixes out-of-memory problem
624    o ECCO-GODAE
625      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
626      * fully merged and updated from SIO code
627        windstress sign change affects
628        - exf_inscal_[u/v]stress
629        - sign of xx_tau[u/v] adjustments
630        - signs in cost_scat
631      * ctrl_get_gen: avoid update of tau[u/v] for first few days
632      * natl_box_adjoint updated and compressed
633      * 2-level checkpoint switch added
634        (tested in EXP. 1 of natl_box_adjoint)
635      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
636    o SVD
637      * first complete, non-hacked version for SVD calculations
638      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
639        performed via direct access files admtlm_vector.it????
640        (via ctrl_[un]pack)
641      * optimcycle is used for ARPACK iteration counter
642        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
643      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
644        and add linear transforms where necessary
645      * controls are initial/final SST, SSS (can be extended; need to check
646        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
647    o mdsio: filename info to both stderr, stdout
648    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
649      from sign change
650    
651    checkpoint55j_post
652    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
653      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
654    o add consistent build directories and .cvsignore files to verification
655    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
656    o make all subroutines 30 or less characters in length for certain older
657      compilers to work (a thorough search only turns up two routines in
658      pkg/ptracers)
659    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
660      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
661    
662    checkpoint55i_post
663    o change arrays for total vertical diffusivity (2.D if explicit,
664      3.D if implicit) ; each ptracer uses its own background value.
665    o added mnc/NetCDF output capability to ocn_compon_interf
666      - added bits to verification/cpl_aim+ocn so that it can run on
667        ITRDA and other clusters without the mpirun "-wd" option
668    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
669      configuration
670    o give MNC the ability to create additional files rather than
671      exceeding a specified file size limit "MNC_MAX_FILESIZE"
672      - the default is just less than 2GB which is a practical limit
673        on many systems
674    o Compute the non-local term using either KPP vertical diffusivity (=default)
675       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
676    
677    checkpoint55h_post
678    o add verification test "vermix"
679    o remove all the *_ioinc flags and replace with the single global
680      outputTypesInclusive flag
681    o allow to set a vertical profile of vertical diffusivity for T & S
682    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
683    o useMNC moved from data.mnc to data.pkg
684    
685    checkpoint55g_post
686    o Renaming carbon AD experiments to comply with testreport conventions
687    o Updating adjoint of Held-Suarez hs94.1x64x5
688    o Fixing directives for non-ECCO forward_step, after ECCO directives
689      have been fixed to avoid recomp. of do_oceanic_phys
690      Works well for global_ocean.90x40x15,
691      but recomp. issue remains for carbon
692    o Updating adjoint output for natl_box_adjoint after
693      pkg/ecco has been modified (see taga c55d_post)
694    
695    checkpoint55f_post
696    o rename to timeave_init_fixed
697    
698    checkpoint55e_post
699    o some delicate re-shuffle of store directives to avoid one
700      extra call of do_oceanic_physics
701      affects ecco_the_main_loop.F, do_oceanic_physics.F
702      checkpoint_lev1_directives.h
703    o NB: this may break global_ocean adjoint temporarily,
704      but it is clear how to fix it. Will do later, need this now.
705    
706    checkpoint55d_post
707    o ECCO specific cost function terms (up-to-date with 1x1 runs)
708    o ecco_cost_weights is modified to 1x1 runs
709    o modifs to allow observations to be read in as
710      single file or yearly files
711    o enable to read exf forcing fields as either
712      single file or yearly files (flag useExfYearlyFields)
713    checkpoint55d_pre
714    
715    o switch between 2-level and 3-level checkpointing
716    o add ability of MNC to write local and "partial" (eg. 2D slices where
717      the full 3D field is never actually stored) arrays to NetCDF files
718      with the correct (that is, the complete multi-dimensional) set of
719      array indicies
720      - used in mom_vecinv() to write the diagFreq output
721      - tested (demonstrated) in verification/aim.5l_cs
722    o further mnc-ification
723      - add verification/lab_sea to the list with mnc setups
724      - fix undefined mnc v-names in cd_code
725      - add kpp to mnc output (both snapshot and timeave)
726    o non-hydrostatic code
727      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
728        in calc_gw.F
729      - defaults to viscAh
730      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
731        friction or Leith) in non-hydrostatic mode, as long as there is
732        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
733    o pkg/cost
734      extend simple cost functions to treat time mean quantities
735      (T,U,V) via cost_accumulate_state from cost_tile
736    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
737        be 2 times larger than the minimum size the advection scheme requires.
738        now get a perfect conservation of salt in advect_cs test-exp (updated)
739    o GGL90 (Gaspar's TKE mixed layer)
740      - add horizontal diffusion of TKE, requires exchanges in
741        do_fields_blocking_exchanges, horizontal diffusivity is zero by
742        default. In OPA there is no horizontal diffusion of TKE but the
743        mixing coefficients are computed from a horizontal average of TKE of
744        6 points or so. I think that diffusion has a little more physical
745        justification.
746      - clean up ggl90_calc in the hope of reducing memory usage (this hope
747        was in vain)
748      - mask tke-variable in ggl90_init
749    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
750    o fix biharmonic diffusion on CS-grid.
751    o more obcs stuff
752      - added obcs_external_fields_load as an alternative to the EXF-pkg option
753        for reading boundary values. This routine is called from
754        obcs_prescribe_read
755      - updated obcs_check
756      - changed sponge layer relaxation parameter units for days to seconds
757      - turned off sponge layer by default
758      - changed argument list of OBCS_CALC to myTime+deltaTclock
759      - fixed about 35 bugs in obcs_external_fields_load
760    
761    checkpoint55c_post
762    o obcs stuff
763      - new runtime flags useOBCSprescribe, useOBCSbalance
764      - re-arranged obcs_calc
765      - moved exf_getobcs to obcs_prescibe_read
766        obcs_prescibe_read is called after ORLANSKI stuff
767        and independent of it (executable can contain all).
768      - updated obcs_check
769      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
770        These may be necessary only if tangential velocities are
771        prescribed at OB, not sure, needs testing.
772    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
773      which simplifies the calls and passes the ifc check-bounds test
774    
775    checkpoint55b_post
776    o add a 2D scalar, Z location, exchange_2 routine.
777    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
778      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
779      affects advect_cs results (for the wrong reason): update output.txt
780    o use a more standard discretization for biharmonic viscosity ;
781     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
782      affects results of dome set-up: update output.txt
783    o fix gad_advection.F (CubedSphere part), back to version 1.23
784    o fix bug in mom_vi_del2uv.F (CubedSphere part).
785    
786    checkpoint55a_post
787    o merged code to
788      * prescribe/read time-dependent open boundaries
789        (works in conjunction with exf, cal)
790      * sponge layer code for open boundaries
791      * each boundary N/S/E/W now has its own CPP option
792        (healthy for the adjoint)
793    
794    checkpoint55
795    o up-to-date adjoint of previous breaks
796      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
797      - global_ocean_ebm: adjoint still needs fix (TLM ok)
798      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
799      - carbon: * remove tr1-related adjoint verification
800                * add ptracer as control variable
801    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
802      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
803    
804    checkpoint54f_post
805    o in verification/carbin/ remove experiment related to
806      ALLOW_PASSIVE_TRACER (array tr1 etc)
807      code_ad/ input_ad/ results_ad
808    
809    o add two new packages
810      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
811        + subject to optimization (memory)
812      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
813        + subject to reordering (many GOTOs in the original code)
814        + so far opps is called for every (i,j) point, and then operates in
815          the vertical; one may want to reorder the scheme in order operate in
816          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
817          fields)
818    o overhaul of IO so that we now have flags for MDSIO and/or MNC
819      - all verification tests compile and run with linux_ia32_g77
820      - defaults are compatible with current input files--nothing
821        should change if you were not previously using MNC
822      - MNC output has been added in numerous places (eg. timeave)
823        but there are still a few writes not yet do-able with MNC
824        (this is in progress)
825      - flags now allow for either/or/both use of MDSIO and MNC and
826        documentation will soon follow
827      - numerous small formatting cleanups for ProTeX
828    o add version info (via BUILD_INFO.h) to MNC and stdout
829    
830    checkpoint54e_post
831    o add two new packages
832      - pp81 (Packanowski and Philander, 1981), Richardson number and
833        stratification dependent mixing
834      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
835      - these scheme operate in a similar manner as KPP (without ghat, of
836        course), however there is only one diffusivity that is used for both
837        temperature and salinity (and passive tracers)ç
838    o add offline package
839    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
840      provided by Stephanie Dutkiewicz
841    o genmake2: add ability to search for C compilers and cleanup test output
842      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
843    
844    checkpoint54d_post
845    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
846    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
847      leading to additional shift by 5 days each year of integration
848       (i.e. leading to considerable offset over the years)
849    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
850    o start with no AB and no initial filtering (staggerTimeStep):
851      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
852    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
853      (external loading & cpl import/export stay in forward_step.F)
854    o update coupling interface to work with new staggerTimeStep
855    o change MDSIO ptracers_pickup.
856    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
857    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
858    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
859    
860    checkpoint54c_post
861    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
862      this affects (truncation error) output.txt of test-exp:
863       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
864    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
865    o change Qnet to always be the net heat flux, (+upward).
866      affects (truncation error) output of natl_box exp.: updated
867    o define the max number of passive tracers in PTRACERS_SIZE.h
868    o start to test mnc routinely in exp0
869    o add sea-ice loading (sIceLoad) as a new forcing field.
870    
871    checkpoint54b_post
872    o add testreport "-j JOBS" option for parallel builds (tested and pretty
873       impressive on Altix and Opteron systems)
874    o diagnostics can now write NetCDF files through the mnc package
875    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
876    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
877    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
878      affects (truncation error) output of lab_sea & natl_box exp.: updated
879    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
880    
881    checkpoint54a_post
882    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
883    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
884    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
885    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
886      + internal_wave (shift in writing cg2d_ini_res)
887    checkpoint54a_pre
888    
889    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
890      - modified verification/lab_sea and natl_box_adjoint accordingly
891    
892    checkpoint54
893    checkpoint53g_post
894    o prepare splitting of thermodynamics: store convect.counter in common block
895    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
896      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
897    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
898    o new parameter "nShapS": allow to treat differently S from T (nShapT)
899    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
900    o restore adjointability
901    
902    checkpoint53f_post
903    o modifications that affect AIM experiment results (update output.txt):
904      - no advection of S at top interface Nr (pkg/generic_advdiff)
905      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
906    o AIM pkg:
907      - include stability function into surf.Flux derivative relative to Tsurf
908      - calculate clear-sky radiation & surface temp. change (for diagnostics)
909    
910    checkpoint53e_post
911    o merged cylindrical coord configuration
912    o added rotating_tank experiment
913    checkpoint53e_pre
914    
915    checkpoint53d_post
916    o faulks upgraded: re-generate output.txt that have changed:
917       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
918    o Added Bryan and Lewis, 1979, vertical diffusivity profile
919    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
920    o added Sadourny discretization of Coriolis
921      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
922      - re-enabled use of omega3 (useAbsVorticity)
923    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
924      vector-invariant equations
925      - note: does *NOT* yet use same variable visc. for no-slip BC's.
926    o recoded the lateral boundary conditions for non-hydrostatic w, this time
927      hopefully without new bugs
928      - still to do: biharmonic friction for non-hydrostatic w
929    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
930    o regenerated output for global_ocean_ebm (using -ieee)
931    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
932      of mom_common/
933      - simple re-arrangement of instructions within computing loop
934    checkpoint53d_pre
935    
936    checkpoint53c_post
937    o new version of coupler for AIM+thSIce and Ocean models
938     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
939     - land: change Evaporation of snow
940     - aim with thSIce: fix bug in snow-precip.
941    o changes to calc_gw.F
942     - bug fix for w^2 term near the bottom boundary
943     - (hopefully) improve the lateral slip boundary condtions for use with
944        partial/looped cells
945      - because the bug fix changes two verification experiments anyway (exp5
946        and plume on slope), change the lateral boundary condition from half slip
947        to the value of no_slip_sides
948    o ebm package wasnt quite up to the parallel task. Fixed that.
949    o Adjoint of EBM package + verification
950      * TLM OK
951      * ADM not sufficient accuracy yet (needs further testing)
952    
953    checkpoint53b_post
954    o Commiting new energy balance model to repository
955      * package is pkg/ebm
956      * verif. is verification/global_ocean_ebm
957      * references are in ebm_driver.F
958    C      * X. Wang, P. Stone and J. Marotzke, 1999:
959    C        Global thermohaline circulation. Part I:
960    C        Sensitivity to atmospheric moisture transport.
961    C        J. Climate 12(1), 71-82
962    C      * X. Wang, P. Stone and J. Marotzke, 1999:
963    C        Global thermohaline circulation. Part II:
964    C        Sensitivity with interactive transport.
965    C        J. Climate 12(1), 83-91
966    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
967    C        Destabilization of the thermohaline circulation
968    C        by atmospheric eddy transports.
969    C        J. Climate 7(12), 1870-1882
970    o Will need long integration testing.
971    checkpoint53b_pre
972    
973    o created pkg/mom_common in preparation for variable viscosity code
974    o renamed and split ini_mnc_io
975    o pkg/land: only liquid water can diffuse or run-off
976    o AIM using land: soil wetness availability account for snow
977    o added printMapIncludesZeros to EEPARMS namelist
978    
979    checkpoint53a_post
980    o restore TAMC compatiility for exf_constants.h
981      (no usage of _d in .h)
982    o Additional storing in KPP in an attempt to fix
983      TAMC problem with adjoint of KPP code.
984      (no success...)
985      Identical code works fine with TAF.
986    o Fixed verification/natl_box_adjoint experiments.
987      Initial conditions for Experiments 4 and 5 are now
988      set to "SEAICE_initialHEFF=0", which is more reasonable,
989      and hence gives results closer to that of Experiment 2.
990      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
991    
992    checkpoint53
993    o stable checkpoint with up to date adjoint
994      TLM tests only run for 1st grdchk at the moment. Its unclear if
995      this is a code problem or a problem with resetting code for g_
996      variables that is being autogenerated wrong.
997      Otherwise:
998       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
999       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1000         are both still in chaos following their security messes.
1001    
1002    checkpoint52n_post
1003    o various build (mostly genmake2) changes including:
1004      - ability to build/run more easily within Cygwin and MacOS X
1005      - more complicated Makefiles with a stronger dependence on Gnu Make
1006    o pkg/seaice modifications
1007      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1008        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1009        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1010      - changed proxy for geostrophic velocity and updated
1011        verification/lab_sea/results/* accordingly
1012      - removed ADI dynamic solver from pkg/seaice
1013      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1014        they caused a segmentation fault under certain circumstances
1015      - removed unused field WATR
1016    o bug fix in exf-package:
1017      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1018         now reflect that.
1019    o small fixes in the cal-package:
1020      - set reference date to first of January for the 'model'-calendar
1021      - failing of cal_CheckDate in cal_FullDate now actually results in a
1022        warning
1023    o small modifications in exf-package to increase flexibility:
1024      - change climtempfreeze from a constant to a runtime parameter that
1025        is specified in data.exf_clim (default = -1.9)
1026      - introduce runtime parameter windstressmax (default = 2.0) that is
1027        specified in data.exf
1028    o fix in pkg/thsice:
1029      - update Evap (Tsf changes) to be consistent with Latent heat flux
1030      - maintain snow precipitation unchanged (even if Tsf >=0).
1031     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1032    
1033    checkpoint52m_post
1034    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1035      this does not change any of the results, because myIter=0 in swfrac always
1036      lead to jwtype=2 (the default anyway), but the call makes little sense
1037      as a default
1038    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1039    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1040      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1041    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1042    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1043    o extending useSingleCpuIO option to work with new exch2 I/O format
1044      - old-style, missing-tile I/O is still accessible by defining CPP
1045        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1046    o monitor package can write to NetCDF files and/or STDOUT
1047    o fix re-definition bug in MNC_GRID_INIT_ALL()
1048    o doc/api_reference added
1049      - a framework for building an API Reference Manual using all
1050        the "protex" comments embedded in the code
1051      - see pkg/generic_advdiff, pkg/mnc for examples
1052    o MNC:
1053      - make myThid the last argument for all subroutines
1054      - new default for the grid files: NO halos
1055      - add useMNC and other run-time flags
1056      - separate per-file-group handling of the unlimited dimension
1057      - early initialization of MNC w/ flags read at the eeboot stage
1058        and lookup tables set in initialize_fixed
1059      - write all MNC output to a freshly-created directory
1060    o thermodynamics sea-ice (thsice) is now tested with testreport.
1061    o test exp. advect_cs: use the standard cs32 grid ; update output.
1062    o Added functionality to grdchk:
1063      pick global i,j,k position (or nearest wet) where to perform check.
1064    
1065    checkpoint52l_post
1066    o new land formulation:
1067      a) use ground enthalpy as prognostic variable to ensure exact
1068         energy conservation.
1069      b) account for water temperature and for latent heat of freezing
1070         in all processes (rain, run-off, ground storage)
1071      c) compute surface and ground temperature implicitly.
1072    o aim_v23 modification for new land model:
1073      a) Treat separately land / ocean / sea-ice surface fluxes
1074         to allow implicit computation of land & sea-ice surface temp.
1075      b) add snow precipitation.
1076    checkpoint52l_pre
1077    
1078    o fix problem (when 1 tile is empty) in min/max monitor.
1079    o fix bug in timeAve (u,vZetatave in common block)
1080    o no restoring terms under ice for pkg/seaice
1081    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1082    o bug fix for pkg/seaice pickups
1083    o change MNC call locations and add coordinate attributes
1084    o mask vorticity at the corner ; affects global_ocean.cs output
1085    o fix ini_curvilinear_grid ; test CS experiments with mpi
1086    o aim.5l_cs: modify sea-ice fraction input file ; update output
1087    o exf: Adding simple range check routine for exf fields after read
1088    
1089    checkpoint52k_post
1090    o removed top-level directory "diags"
1091      - we migrated these functions to pkg/timeave a long time ago
1092    o fixed bug introduced in pkg/monitor
1093    o accuracy ctrlprec = 32 insuffient for gradient checks using
1094      averaged fields (I/O via cost_averages)
1095      -> use ctrl.h in active_file*.F to control I/O precision.
1096    o paramter list of CALL ADTHE_MAIN_LOOP
1097    o added initial do_the_model_io to ecco
1098    o set all ...Freq to zero after cost_final
1099      taveFreq, dumpFreq, pChkptFreq
1100    o MAIN and ECCO differentiability restored
1101    
1102    checkpoint52j_post
1103    o fix nchklev in tamc.h for global_ocean...
1104    o Bringing flow and store directives up-to-date
1105    o Really weird thing!
1106      call do_the_model_io from the_main_loop with parameters
1107      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1108      TAF places a faulty re-call of initialise_varia
1109      after cost_final call which should not be there!
1110    checkpoint52j_pre
1111    
1112    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1113      error messages
1114    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1115    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1116      debug output
1117    o modfied mdsio_writefield.F to handle non-global files under exch2
1118    o update AIM Cubed-Sphere exp (aim.5l_cs):
1119      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1120    o update AIM Equatorial Channel exp:
1121      use standard aim_v23 pkg and change the SST fields to be more realistic.
1122    o globalFile now works with exch2
1123    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1124      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1125    o limit timeave output for hi-res integrations
1126    
1127    checkpoint52i_post
1128    o removed CPP_EEOPTIONS.h from verification/*/code
1129    o updated the tiling for global_ocean_pressure
1130    checkpoint52i_pre
1131    
1132    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1133      the old pkg/aim).
1134    
1135    checkpoint52h_pre
1136    o shortened offending lines in exch2_send_rx?.template
1137    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1138    o genmake2: add build & execute test for NetCDF code
1139    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1140      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1141    o added useSingleCPUIO flag to monitor.F and mon_out.F
1142    o added temporary hack for sea-ice dynamics on the cube:
1143      metric terms are ignored and it is assumed that
1144      there is no sea-ice on cube faces 1, 2, 4, and 5.
1145    
1146    checkpoint52f_post
1147    o added exch2 cube routines to pkg/exch2
1148    o modified hs94.cs-32x32x5 to use it
1149    o added new grid files to hs94.cs-32x32x5
1150    checkpoint52f_pre
1151    
1152    checkpoint52e_post
1153    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1154      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1155    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1156      to work with implicit vertical advection and AB ;
1157    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1158    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1159     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1160    checkpoint52e_pre
1161    
1162    o fix bug in impldiff when Nr=1 or Nr=2.
1163    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1164    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1165    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1166      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1167    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1168    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1169    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1170    
1171    checkpoint52d_post
1172    o re-tiled many expts to allow comparison in multi-processor mode
1173      - updated output accordingly
1174      - changed hs94.128x64x5 to use intial T from file rather than use the
1175        random number generator
1176    o add infrastructure in model routines for fizhi and gridalt packages
1177    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1178    o changes to permit hi-res, cubed-sphere, configuration
1179      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1180      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1181      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1182        of surface winds for the cube
1183      (A verification experiment, based on global_ocean.cs32x15, but with
1184       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1185       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1186       complete with example surface forcing files and matlab scripts to look
1187       at the output and compare it with that of global_ocean.cs32x15.)
1188    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1189       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1190       to conform to the common rule.
1191    o check-in the first version of the coupler + interfaces for multi-components
1192       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1193       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1194       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1195       - ocean and atmos. share the same horizontal grid (no interpolation).
1196       - exchanges between component and coupler is done in forward_step
1197    o new verification experiment, cpl_aim+ocn:
1198       coupled ocean - AIM atmosphere on cs32 grid.
1199    
1200    checkpoint52d_pre
1201    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1202    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1203    
1204    checkpoint52c_post
1205    o Fixing OPTIONS files for use of exf:
1206      - ALLOW_ECCO not needed
1207      - ECCO_CPPOPTIONS.h should not be included from
1208        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1209        as has been the case in the past
1210      - All cal/exf related options are currently set in
1211        single header file. Should remain so until we
1212        agree on a consistent new policy.
1213    o Removed all CPP options for cal package.
1214      cal has no more CPP options.
1215    o modified STOREs in GAD_ADVECTION
1216    o corrected key comp. for passkey
1217    
1218    checkpoint52b_post
1219    o new version: "thsice" of thermodynamic sea-ice pkg:
1220     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1221     - modify fluxes but do not change theta directly;
1222     - light cleaning of bulk_force pkg (still needed with thsice).
1223     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1224       + output_thsice.txt to test thsice & bulk_force pkgs.
1225    o put back grid & coriolis monitor output.
1226    checkpoint52b_pre
1227    
1228    o call "do_the_model_io" at the beginning (=> dump initial state)
1229    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1230    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1231      (need info on NUMBER_OF_PTRACERS)
1232    o missing PTRACERS headers in some routines
1233    o default tamc.h in pkg/autodiff supposed to crash
1234      to ensure proper customization
1235    
1236    checkpoint52a_post
1237    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1238      - moved surfaceTendencyTice from pkg/seaice to main code
1239      - subroutine FREEZE_SURFACE now limits only surface temperature
1240        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1241        => new output.txt for global_ocean.cs32x15 & global_with_exf
1242      - keep the old version of FREEZE for backward compatibility;
1243        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1244      - corresponding modifs for TAF directives
1245    o added surface flux output variables to TIMEAVE_STATVARS
1246    o time-averaged output for pkg/ptracers
1247    o fix problem with ECCO-related divided adjoint
1248      snapshot file was missing some ad-variables,
1249      but no warning issued by TAF
1250    
1251    checkpoint52a_pre
1252    o some bug fixes for #undef REAL4_IS_SLOW
1253    
1254    checkpoint52 = ecco_c52_e35
1255    o after testing adjoints of checkpoint51u_post
1256    
1257    checkpoint51u_post
1258    o this is the post-merge tag of the ecco-branch
1259      (needs another clean checkout and re-testing)
1260    o various natl_box_adjoint configs and results
1261      but no input fields
1262    o obcs adjoint not yet merged!
1263    o adding ECCO global 1x1 and 2x2 degree configs
1264    o updated/extended some store directives for seaice
1265    o pkg/ecco now containes ecco-specific part of cost function
1266    o top level routines the_main_loop, forward_step
1267      supersede those in model/src/
1268      previous input data.cost now in data.ecco
1269      (new namelist ecco_cost_nml)
1270    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1271    
1272    checkpoint51t_post
1273    o this is the pre-merge tag of the ecco-branch
1274    
1275    checkpoint51s_post
1276    o cleanup: removed various obsolete #define-s
1277    o pkg/grdchk
1278      - renamed 'ph-grd 3' to 'grad-res'
1279      - merged from ecco-branch
1280        (remaining bug fixes for obcs gradient checks)
1281      - additional high-precision output for testreport
1282        (grep for 'precision_grdchk_result')
1283    
1284    checkpoint51r_post
1285    o cleaned up or removed CPP_OPTIONS.h files
1286    o updated results for some of the tests to reflect the new
1287      optfiles (-ieee: -O0 instead of -O3)
1288    
1289    checkpoint51q_post
1290    o cd_code:
1291      - moved cd_scheme.F -> cd_code_scheme.F
1292      - separate read_checkpoint from cd_code_ini_vars.F
1293      - separated cd_code part from write_checkpoint
1294      - updated AD_SOURCE, generated .flow
1295      - added CD_CODE_VARS.h to the_main_loop
1296      - Moving cd_code specific store dir.s to pkg/cd_code
1297    o ctrl package totally restructured
1298      - pack/unpack now optional and decoupled from
1299        xx_/adxx_ I/O
1300      - ctrl_pack/unpack cleaned
1301        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1302      - confined inclusion of AD_CONFIG.h to where necessary.
1303    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1304    
1305    checkpoint51p_post
1306    o create initial cd_code package
1307      - WARNING: the initialization of fields within packages
1308        is broken because INI_FIELDS (where READ_CHECKPOINT is
1309        called) is called *before* PACKAGES_INIT_VARIABLES.
1310        This seems to be backwards since
1311        1) its important to initially zero the entire field including
1312           the "halo" region
1313        2) zeroing needs to be done *before* reading pickup info
1314           and the pickup call might or might not happen in any
1315           particular run
1316      - this needs an overhaul for R2
1317    o cleanup verification/*/code/GMREDI_OPTIONS.h
1318    o cleanup testreport
1319    
1320    checkpoint51o_post
1321    o bringing AD-related verif's up to date with genmake2
1322      - carbon/
1323      - global_ocean.90x40x15/
1324      - hs.94.1x64x5/
1325      - (front_relax/ )
1326    o (more) consistent directory structure for AD-related verif.'s
1327    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1328    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1329    o bug fix in find_alpha.F for MDJWF:
1330      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1331        change rho -> rho-rhoConst
1332      - replace call find_rho to find_rhonum
1333    o initialisation of rFlx extended to full array (required by TAF)
1334      and shifted to thermodynamics
1335    o removed PTRACERS.h in ptracers routine
1336    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1337    o Correcting initialisations for fVerU, fVerV.
1338    o helping TAF to recognize dependency on kUp for
1339      fVerU, fVerV
1340    o Replacing delZ by delR in pkg/ctrl/
1341    checkpoint51o_pre
1342    
1343    o undid all of cp51 pending some cleanups and discussion
1344    o added the [#include "AD_CONFIG.h"] statement to all files that need
1345       it for adjoint/tl #defines
1346     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1347     o removed tools/genmake since it no longer works
1348    
1349    checkpoint51n_post
1350    o modifications to make FREEZE flux visible to pkg/kpp
1351      - moved surfaceTendencyTice from pkg/seaice to main code
1352      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1353      - subroutine FREEZE now limits only surface temperature
1354        (this means new output.txt for global_ocean.90x40x15,
1355         global_ocean.cs32x15, and global_with_exf)
1356    o added surface flux output variables to TIMEAVE_STATVARS
1357    
1358    checkpoint51n_pre
1359    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1360    o added [#include "AD_CONFIG.h"] to all files that use the following
1361      defines:
1362      - ALLOW_ADJOINT_RUN
1363      - ALLOW_TANGENTLINEAR_RUN
1364      - ALLOW_ECCO_OPTIMIZATION
1365    
1366    checkpoint51m_post
1367    o incorporating changes to get TAMC/TAF working in genmake2
1368      - added new TAMC/TAF targets to the Makefile
1369      - various cleanups related to package handling
1370      - these changes should have no impact on the forward model
1371    
1372    checkpoint51l_post
1373    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1374     - faster algorithm for cal_addtime.F
1375     - higher precision arithmetic, where needed
1376     - pkg/exf *startdate variables changed from calendar date to
1377       model integration time
1378    
1379    checkpoint51l_pre
1380    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1381    o enable to apply restoring on S & T only in a latitude band.
1382    o update output (external_forcing_surf modif. change truncation errors)
1383       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1384    
1385    checkpoint51k_post
1386    o change default to: useNHMTerms=.FALSE.
1387     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1388       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1389     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1390        exp1, ideal_2D_oce
1391     - change data file of oceanic exp (leave the results unchanged for now)
1392       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1393    o set gravitySign automatically according to the vertical coordinate used
1394      (and change sign: back to "logical" value: +1 when R increases downward)
1395    o added an include barrier to the default CPP_OPTIONS.h and
1396      removed the #include "PACKAGES_CONFIG.h" from it
1397    o fix a bug in mom_fluxform (from chk51j_post)
1398    
1399    checkpoint51j_post
1400    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1401    o adjusted some flow directives (dynamics, thermodynamics)
1402    o added cubed-sphere case to test cost function
1403    o heckpoint_lev?_directives.h now include
1404      pkg-specific directives, whenever those are enabled.
1405    o Moving pkg-specific flow directives to corresponding pkg
1406      Moving pkg-specific differentiation list to corresponding pkg
1407      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1408      ---> conventions are
1409           - pkg_ad.flow
1410           - pkg_ad_diff.list
1411           - pkg_ad_check_lev?_dir.h
1412    
1413    checkpoint51i_post
1414    o merge of the branch-genmake2
1415      - knowingly breaks the older genmake
1416      - automatic generation of all ALLOW_${PKG_NAME} defines
1417      - new testreport supersedes older testscript
1418    o large number of package inclusion and header cleanups
1419    checkpoint51i_pre
1420    
1421    o new output for adjoin of global ocean vector invariant
1422    o fix for checkpoint of thermodynamic seaice and bulk_force
1423    o Steph gchem various cleanups
1424    
1425    checkpoint 51h_pre
1426    o fixed some single quotes
1427    o modify gchem pkg to be more versatile
1428    o modifications to clean up dic pkg
1429    o add pkg/cfc
1430    
1431    checkpoint51g_post
1432    o provide links for ARPACK and ADM*TLM
1433    o start removing verification/vero/
1434    o update AD-related stuff
1435      (in particular some IF-statements in model/src/ routines)
1436    o adding to verification/global_ocean.90x40x15/ adjoint of
1437      vector invariant setup
1438    
1439  checkpoint51f_post  checkpoint51f_post
1440    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1441    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1442      of tracer Green's fucntions for ocean inversion project.
1443    
1444    checkpoint51f_pre
1445  o Added on-the-fly spatial interpolation capability  o Added on-the-fly spatial interpolation capability
1446      "USE_EXF_INTERPOLATION" to pkg/exf.      "USE_EXF_INTERPOLATION" to pkg/exf.
1447      This is a temporary Cartesian-grid hack until    - This is a temporary Cartesian-grid hack until
1448      the super-duper ESMF coupler becomes available.      the super-duper ESMF coupler becomes available.
1449      Usage example is in verification/global_with_exf.    - See verification/global_with_exf/README for usage example.
1450      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1451        flags and modified pkg/seaice accordingly.
1452  o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,  o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1453      and pkg/kpp/kpp_transport_ptr.F for dealing with tracer      and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1454      non-local transport term.      non-local transport term.

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