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revision 1.145 by heimbach, Fri Mar 21 23:20:36 2003 UTC revision 1.611 by mlosch, Wed Feb 15 09:06:20 2006 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    o seaice:
8      - removed all references to SEAICE_GRID.h fields from
9        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
10        (cubed-sphere configuration will change a little)
11      - grid computations in seaice_init are obsolete now.
12      - cleaned up code a little so that is easier to read (hopefully).
13      - added new (better?) discretizations of advection and diffusion
14        (still commented out)
15      
16    checkpoint58a_post
17    o shelfice:
18      - separate shelfice load anomaly from pload (breaks with time
19        dependent forcing), => introduce constant field shelficeLoadAnomaly.
20        Its default is 0., but it may be computed more cleverly from (unknown)
21        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
22        done offline. A good approximation of the pressure load anomaly is
23        necessary to avoid large initial adjustment processes underneath
24        deep-reaching shelfice.
25      - small fix in ISOMIP shelfice_thermodynamics
26      - add more sophisticated thermodynamics of Hellmer (1989), this is
27        now the default
28      - give a few constants more intuitive names
29    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
30      if bulk formulae are used in long integration (especially EmPmR). Turn
31      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
32      if balancePrintMean, the imbalance that is substracted is printed to
33      STDOUT.
34    o fix bug (typo) in obcs_apply_eta.F
35    o add a new package shelfice which enables us to model the circulation
36      underneath shelf-ice with draughts of hundreds of meters.
37     - works
38     - to do: + include improved thermodynamics
39              + check whether kSurfC (from model/inc/SURFACE.h) can be used
40                instead of new field kTopC
41              + can we use topoFile, Ro_surf and existing code in ini_depth.F
42                instead of new field R_shelfIce and new code in ini_depth.F
43                and ini_mask_etc.F?
44              + adjust vertical mixing schemes?
45    o seaice pkg:
46     - add a cpp-flag to include a simple formula for a salinity dependent
47       freezing point of sea water at the surface
48     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
49       meridional stresses are now different (and hopefully correct)
50    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
51       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
52       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
53    o pkg/diagnostics: add options and parameters for regional-statistics
54       diagnostics ; define regions by reading a region-mask from a file
55       (might add other options later)
56    o pkg/bulk_force:
57     - add option and parameters to use AIM surface-flux formulae.
58     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
59       others forcing fields (defined in PARM05, parameter file "data") are loaded
60       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
61     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
62     - use the right EXCH call for uwind,vwind (to work on CS-grid).
63     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
64       and parameters (note: calcWindStress replaces .NOT.readwindstress).
65     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
66    
67    checkpoint58
68    o add "--embed-source" option to genmake2 which, when the supporting
69      tools can be compiled (as determined by genmake2) will turn on the
70      embed_files package which then embeds the entire MITgcm source code
71      (*.[fFhc] + Makefile) used for the build within the executable
72      - requested by CNH but off by default
73      - adds a paltry <9MB to the mitgcmuv executable in most cases
74      - only writes the output when useEMBEDSRC in eedata is true
75    o clean up 3-dim. relaxation codes:
76      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
77      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
78      * Thanks to Tom Haine for testing!
79    
80    checkpoint57z_post
81    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
82      affects output (@ truncation level) of exp. plume_on_slope ; updated.
83    o fix the pickup behavior for obcs in combination with ptracers
84    o fix a bug in ptracers_external_fields_load
85    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
86      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
87    o transfered surface NH pressure to eta field (if exactConserv).
88    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
89         and update lab_sea output.txt file.
90    o completing 3-dim. relaxation code: additional term
91         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
92      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
93      * At compile time, in "EXF_OPTIONS.h" set
94          #define  ALLOW_CLIMTEMP_RELAXATION
95          #define  ALLOW_CLIMSALT_RELAXATION
96      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
97          tauThetaClimRelax3Dim = 15552000.0,
98          tauSaltClimRelax3Dim  = 15552000.0,
99      * 3 cases:
100          1) Use a constant-in-time 3-dim. field
101          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
102          3) Real-time relax. to time-evolving prescribed field
103    o Adding Laplacian-type smoothness constraint on
104      initial and boundary (forcing) controls (ic, bc)
105      * enable at compile-time via
106        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
107      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
108      * Absolute scale somewhat unclear so far
109      * no area weighting was included since no other cost term does so far
110    
111    checkpoint57y_post
112    First step for a NLFS adjoint
113    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
114    o new init. routines for calc_r_star, calc_surf_dr
115    o still need to deal with ini_masks_etc
116    o testreport seemed happy
117    checkpoint57y_pre
118    
119    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
120    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
121    o add new offset feature to offline pkg (plus minor cleanup)
122    o cfc fixes for final year of integration
123    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
124      be in GCHEM_OPTIONS).
125    
126    checkpoint57x_post
127    o fix testreport Pb in multiple test experiment.
128    o cleanup our namelist syntax in verification:
129      - make it more F95 standards compliant (some work still needed)
130      - allows the vast majority of our tests to work with gfortran
131    o Non-Hydrostatic:
132     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
133     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
134    o Allow to apply AB on T,S rather than on AB(gT,gS):
135     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
136     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
137       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
138     - need a "clever" read_pickup to restart from the other AB formulation
139    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
140    o remove some unused variables (reduces number of compiler warnings)
141    o adjoint
142      * Disable useVariableViscosity for adjoint for time being
143        (there are a number of extensive recomputations)
144      * Initialize certain variables needed for adjoint
145    
146    checkpoint57w_post
147    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
148                 fix the singleCpuIO RS version of MDSWRITEFIELD
149       and add a WARNING if using globalFiles=T with multi-processors.
150    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
151      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
152    o tracer advection scheme:
153      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
154       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
155       was not very convenient).
156      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
157       (further tests needed for the implicit DST & Flux-Limiter schemes).
158    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
159      and sRef for convenience, handy, when you want to initialize
160      ptracers in a large domain with a constant non-zero value. Also,
161      untangle ptracers_init.F a little.
162    
163    checkpoint57v_post
164    o change dome exp. to use variable viscosity in side-drag terms.
165    o remove all the files from the cfc_offline test since they are now
166      incorporated into tutorial_cfc_offline which has been producing
167      identical results for a few days of testing
168    o add new parameter: sideDragFactor to enable half-slip-side BC
169      and change side-drag S/R to use viscosity from mom_calc_visc
170      (can switch back by setting sideDragFactor=0.); affects results at
171      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
172       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
173    o vorticity & strain are now computed without masking, to account for
174      no-slip-side BC in variable viscosity calculation ; mask is applied
175      anyway later on, before computing advection/coriolis terms.
176    o modify exp4 to test new obcs support for reading from external files
177      and for passive tracers
178    o fix behavior of ptracers_monitor when monitor output is written to a
179      netcdf-file; still not independent of monitor.F (writes in the same
180      file).
181    o change default value of tRef (put a uniform, meaningful value for ocean
182      & atmos) and initialize sRef (was missing, as Martin mentioned).
183    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
184      to be proportional to enstrophy dissipation length.  Thus,
185       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
186      This is now consistent with Smagorinsky and with the manual.
187    
188    checkpoint57u_post
189    o OBCS and PTRACERS: add open boundary support for passive tracers
190      - either use homogenous (pseudo) v.Neumann conditions or prescribe
191        OB-values from file; this is not different from the way theta and salinity
192        are treated
193      - however, Orlanski-radiation conditions are not supported, and the model
194        will stop if you use pTracers and Orlanski at the same time.
195      - beefed up the rountine obcs_external_fields_load: now only those open
196        boundary values are overwritten with values from files for which there
197        are really files, otherwise the OB-fields remain untouched. This makes
198        it possible to use different OBs at different ends of the domain (as
199        with EXF)
200    o reduce number of exch calls in shap_filt (s2).
201    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
202      truncation level) 4/5 MLAdjust test results (11&12 digits match).
203    
204    checkpoint57t_post
205    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
206    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
207      same truncation, independent of the face number: affects affects several
208      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
209    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
210      note that biharmonic viscosity + no-slip was not tested in any experiment.
211    o fix bug in non-linear free-surf side-drag ; generate new output for
212      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
213    o make mnc honor the writeBinaryPrec flag for most kinds of output
214    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
215    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
216      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
217    o add brackets in multi-terms sum to get same truncation, independent of
218      the face number (manage to get exactly same value of gU,gV at the cs-edge)
219      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
220    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
221      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
222      a maximum grid-scale Reynolds number.  Also, changes all length calculations
223      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
224      Suggested values of viscosity parameters found in mom_calc_visc.
225      Many new viscosity diagnostics available.
226    
227    checkpoint57s_post
228    o Add clearing-house for viscosity calculations, mom_calc_visc and
229      correct numerous bugs in LeithD and Smagorinsky discretizations.  
230      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
231      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
232      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
233      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
234      The Strain-Tension form is now called with useStrainTensonVisc=.true.
235      ViscAhStrain and viscAhTension are now retired.
236    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
237    o In response to JMC's bug report, genmake2 now ignores any soft-links
238      that it finds in the *current* directory when searching for files.
239      Soft-links found in any other source directories will still work as
240      they did before.
241    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
242      a C routine to unlimit the stack size
243    o mnc-ify pkg/aim snapshot vars
244    o mnc-ify pkg/land as requested by Daniel
245    o various changes to mnc including:
246      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
247      - output can now be grouped so that all files within a group
248          change the ITER portion of their names in lock-step together
249      - can now read ("global") PER-FACE (in addition to PER-TILE) files
250          and works with both EXCH1 and EXCH2 (but needs more testing)
251      - writing works for all verification test cases w/ g77 on Linux
252    
253    checkpoint57r_post
254    o make MNC variable initialization happen earlier
255    o add diagnostics for (almost) each term of the momentum Eq.
256    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
257    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
258    o remove MINIMAL_TAVE_OUTPUT option ;
259      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
260    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
261      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
262    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
263    o add time-dependent SST, SSS control
264    o cost terms in ecco/ modularized (new cost_generic.F)
265    o cost_averages routines are modularized (new cost_averagesgeneric.F)
266    o new infrastructure for seaice model vs. obs misfits in seaice/
267      * driver from the_main_loop.F is seaice_cost_driver.F
268      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
269      * gradient check in Exp. 6a of natl_box_adjoint/
270    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
271      (see README file)
272    
273    checkpoint57q_post
274    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
275    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
276      - bug was reported by Jean-Michel and Ian Fenty
277    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
278      update exp. cpl_aim+ocn output.
279    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
280      Needed for high-res. runs with large global files
281      to be able to limit tapelev size
282    o Changed some tests for adjoint:
283      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
284      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
285      * global_ocean.90x40x15/ back to default 3-level checkpointing
286    o Modifications to enable scripted COMMON to MODULE conversion
287      * verification/OpenAD/code/ has necessary scripts and description;
288      * converts, compiles and runs successfully;
289    
290    checkpoint57p_post
291    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
292    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
293      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
294    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
295    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
296      (was already the case for dissipation with mom_vecinv,
297       and also the case for grad.PhiHyd when staggered-timeStep)
298      This will allow to put dissipation out-off the AB time-stepping.
299     Unfortunately, affects truncation error. Update output of exp. that "fails"
300      (cg2d matching number) and leave the others for later: front_relax(10),
301      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
302      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
303    
304    checkpoint57o_post
305    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
306      (2) its ready to be documented during the 20050801 DocFest
307    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
308      for ideal_2D_oce and lab_sea on linux_ia32_g77
309    o set to #undef CTRL_SET_OLD_MAXCVARS_30
310      in global1x1_tot/code_seaice_adj to access indices 32, 33
311      (worth another tag)
312    
313    checkpoint57n_post
314    o adding precip control xx_precip 32
315    o adding swflux control xx_swflux 33
316    o Replacing 10 forcing penalty cost routines by 1 generic.
317    o Implementing partitioning in time-mean and variable adjustment
318      for atmos. state.
319    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
320    o in natl_box_adjoint:
321      * updated exp 1 to 10
322        (but does not have time-mean vs. variable split results yet)
323    o updated global1x1/*_seaice_adj/
324      to incorporate latest changes
325    o enable useSingleCpuIO for mdsio vector routines
326      (applies in particular to tapelev I/O)
327    o removed inefficient K-loop in all active_file*control*.F
328    
329    checkpoint57m_post
330    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
331      and advect_cs (use EXCH-2 and standard cs-32 grid files).
332    o pkg/exch2: filling of face-corner halo regions is optional
333      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
334    
335    checkpoint57l_post
336     tag before updating tutorials (pre-release-2)
337    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
338       for output and interpolation of input fields onto model grid)
339    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
340       Affects results of exp. rotating_tank ; update output.txt.
341    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
342          and taking the square quantity and/or using a fraction-weight field.
343    o fix aim_diagnostics_init.F mate numbers.
344    o add mnc output capability to diagnostics/diagstat and update
345      our cvsignore files for the ACSII output generated
346    
347    checkpoint57k_post
348    o lab_sea now uses diagnostics package and provides a suite of
349      new EXF diagnostics output.
350    
351    checkpoint57j_post
352    o exf
353      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
354        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
355        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
356      * extended diagnostics output
357        - now includes all EXF variables
358        - hs, hl moved to common block
359        - separate S/R for diagnostics, called after ctrl vector is added
360        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
361        - EXFqnet contains true Qnet (i.e. includes qsw)
362      * updated verif. lab_sea, global_with_exf
363      * Rearranging hflux (exf_mapfields -> exf_getforcing)
364        to ensure that diagnostics sees a true EXFqnet
365    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
366    o diagnostics pkg: change pointers so that 1 diagnostic can be used
367      several times with different frequencies.
368    o mnc-ify the thsice package as requested by Daniel Enderton
369      - the monitor--MNC output needs work
370      - many attributes need to be added (most are currently blank)
371    o mnc-ify theaim_v23 package as requested by Daniel Enderton
372      - many attributes need to be added (most are currently blank)
373    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
374    o add Sadourny like discretization to the 4th.O vorticity advection scheme
375    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
376      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
377         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
378    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
379     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
380    
381    checkpoint57i_post
382    o Diagnostics package was changed: diagnostic allocation is now deactivated
383      by setting an empty file name in the namelist (used to be by setting 0 frequency)
384    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
385      add 1rst Order upwind vertical Shear.
386    o add a quick fix for A/B checkpointing in OFFLINE mode
387    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
388      end-run around the C/Fortran linking horror in eesup/src/timers.F
389    o added pkg/runclock: allows user to terminate run based on wall clock
390    o added non-hydrostatic scaling parameter: nh_am2
391    o pkg/my82: futile attempt to make results compiler-independent by adding
392      some "_d 0", etc. no effect.
393    o for mnc output, fill the 'T' coordinate var with myTime and create a
394      separate 'iter' variable for iteration count
395    o pkg/diagnostics:
396      add new capability: output of Global/Regional & per-level statistics ;
397      tested against monitor output (including land & thSIce) on various exp.
398    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
399    
400    checkpoint57h_done
401      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
402      data.diagnostics, data.gchem, data.ptracers) is done.
403    
404    o pkg/diagnostics: prepare for Global/Regional statistics.
405      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
406    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
407      and rename it: DIFFERENT_MULTIPLE
408    
409    checkpoint57h_post
410    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
411    o pkg/diagnostics: change output frequency, now in seconds (instead
412      of Nb of iterations). This requires to change data.diagnostics.
413    checkpoint57h_pre
414    
415    o in mnc, let the user create the output dir if both mnc_outdir_date
416      and mnc_outdir_num are false
417    o add fflags() to pkg/diagnostics which allows one to specify, on a
418      per-file basis, the file precision [default behavior is unchanged]
419    o added diagnostics to pkg/kpp, including computation of mixed layer
420      depth based on a temperature/density criterion
421    o updated verification/natl_box to test the new pkg/kpp diagnostics
422    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
423    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
424    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
425      not mnc -- this mistake was found by JMC and is now corrected
426    
427    checkpoint57g_post
428    o add Adams-Bashforth 3rd Order time stepping:
429      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
430      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
431    checkpoint57g_pre
432    
433    o make lambda[Theta,Salt]ClimRelax spatially varying
434      (default remains spatially uniform constant based on tau)
435    o added new control variables
436      * init. uVel, vVel, etanN
437      * lambda[Theta,Salt]ClimRelax
438    o separate masks used for ctrl_pack/unpack 'from write_grid' output
439      (suggested by G. Forget)
440    
441    checkpoint57f_post
442    o add parameter "baseTime" = model base time = time at iteration zero
443      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
444      account for baseTime shift
445    o move Coriolis arrays from PARAMS.h to GRID.h
446    checkpoint57f_pre
447    
448    o mnc-ifying the seaice package
449    o introduced an alternative length scale calculation for use in the limiting
450      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
451    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
452    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
453      as well as grad(vort3).  Made it compatible with both approximate form
454      for the cubed sphere and full form of these gradients.  Added flag
455      useFullLeith to select between approximate and full form.  
456    o add "d0" in getcon.F to reduce differences between compilers/platforms
457      update output.txt of exp. fizhi-gridalt-hs
458    o change port_rand funtion to allow to set the seed.
459    o fix obscure MNC bug involving conversion between reals and integers
460      - it caused no problems with certain (eg. gcc, ifc) compilers but the
461        new version is now more standards-compliant
462    o adjoint-related modifications
463      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
464      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
465      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
466    
467    checkpoint57e_post
468    o Adding eddy stress controls a la Ferreira et al.
469    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
470    
471    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
472      update output.txt of exp. fizhi-gridalt-hs
473    o add more "Z" dimensions and associated coordinate vars to MNC
474    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
475    o parameter calendarDumps: when set, approximate months (30-31 days) and years
476      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
477      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
478      months and years.  Requires pkg/cal.
479    o diagnostics: add pickup functionality
480      - off by default for backwards compatibility
481      - current version only uses MDSIO -- MNC will be added
482    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
483    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
484    
485    checkpoint57d_post
486    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
487    o modify verification/ideal_2D_oce so that it tests the creation of mnc
488      output from the diagnostics package
489    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
490    o make genmake2 more portable by using ".$FS" instead of ".f" for more
491      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
492    o add coordinate variables to the MNC output from the diagnostics package
493    o change MNC-flags default value: true when useMNC=TRUE
494    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
495      the ability (off by default) to read the grid information using MNC
496    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
497    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
498    o do snap-shot diagnostics at the middle of the time-interval (instead of
499      at the end).
500    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
501      new test for AIM with thSIce + slab-ocean
502    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
503    o move state variable diagnostics to the beginning of the time step ;
504      (note: still needs some work specially for snap-shot diagnostics)
505      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
506    
507    checkpoint57c_post
508    o Change testing option (-ieee) to get closer agreement between g77 & ifort
509    o generate new output.txt files on faulks with g77 & the new -ieee option
510    checkpoint57c_pre
511    
512    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
513      update output.txt of exp. global_ocean.90x40x15
514    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
515      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
516    o add saltFlux(+File) forcing capability with periodicExternalForcing
517    o allow to use pkg diagnostics for GM-Redi & ThSIce output
518    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
519    o improvements for the MNC output from DIAGNOSTICS:
520      - correct handling of the unlimitied dimension
521      - all dims now have associated coordinate variables
522      - variables located at U, V, and Corner ("Z") points are now written
523        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
524        *all* data points are output
525    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
526    o added pkg/seaice/seaice_monitor.F
527    o mdsio_readfield.F can now read files visible only to master MPI process.
528    o pkg/seaice: some test code for ice-modified ocean stress
529    o exf_getffields interpolation defaults to bilinear for all scalar forcing
530      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
531      spurious negative numbers for precipitation and humidity.  Will cause
532      some small numerical differences for integrations using pkg/exf/exf_interp.F.
533    o pkg/ctrl/
534      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
535        May be enabled via doPackDiag
536      *  introduce z-scaling of
537         + gradient (doZscalePack) and
538         + control (doZscaleUnpack)
539    o pkg/mdsio/
540      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
541      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
542    
543    checkpoint57b_post
544    o simplify options in diagnostics_fill arguments (remove weird combinations)
545    o fix MNC coordinate variables so that they now contain per-face index
546      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
547      general, EXCH2 grids are only aligned to a "local" coordinate system
548    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
549    o Implement instantaneous output within pkg diagnostics:
550      setting a negative frequency in data.diagnostics produces
551     "snap-shot" output (as opposed to time-average if freq > 0)
552    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
553      NOTE: change ptracer diagnostics name: use 2 characters to work with
554            more than 9 tracers. Add also diagnostics of advect & diffus flux.
555    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
556      becomes the coordinate variable for the 'T' dimension
557    o add CF-style coordinate variables to MNC
558      - just a first cut:  numbers are meaningless on the cubesphere and
559        missing along the T axis but otherwise it works!
560    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
561    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
562    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
563      this is based directly on what the model compute, so that the content of
564      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
565    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
566    o clean up build options files for SunOS, in particular
567      - remove -traditional from xmakedepend
568      - change -xarch=v9 to -xarch=native for f77
569      - restore use of make (not gmake)
570      - add CC=gcc if using g77
571    o changes per discussion of AM, JMC, & EH3 today:
572      - move redundant "grid" variables out of "state" -- in preparation of
573        creating proper CF-style coordinate variables and in recognition
574        that any/all grid variables can be easily copied (eg. w/NCO) from
575        the grid files into any of the other NetCDF files
576      - *always* output grid variables with MDSIO (this will eventually be
577        changed)
578      - output MNC grid file if useMNC is true
579    o every instance of _END_MASTER() has been found and replaced with
580      _END_MASTER( myThid ) in order to satisfy certain picky Sun
581      preprocessors
582    o re-arrange diagnostics pkg initialisation:
583     - allow each package to extend the available diagnostics list
584     - add some checking and fix small problems (multi-threaded, ...)
585     - new S/R diagnostics_fill (replace fill_diagnostics):
586       look through the short list of active diag. (instead of the long list)
587       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
588    
589    checkpoint57a_post
590    o this set of changes restores TAMC compatibility
591      tested for global_ocean.90x40x15 adjoint on trough
592      (what a pain)
593    
594    checkpoint57a_pre
595    o some modifs in tools/build_options for sunos
596    o call ctrl_pack for ctrl at end for optimcycle=0
597    
598    checkpoint57
599    o add horizontal bi-harmonic viscosity for vertical velocity
600      - new parameter viscA4W (defaults to viscA4)
601      - affects only non-hydrostatic code
602      - to be done: no-slip lateral boundary conditions
603    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
604    o implement Implicit Vertical advection for pTracers
605    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
606      (implemented also for implicit vertical diffusion & advection)
607    o OBCS: extend application of tracer open boundary conditions
608      to a strip beyond the boundary of width Olx/Oly
609    o add call monitor to TAF set of required calls (flow directives)
610      and include in natl_box_adjoint
611    o untangle a few ifdefs related to cost, ctrl, autodiff
612      untangel a few ALLOW_ECCO_OPTIMIZATION
613    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
614      (theta2, salt2 in ecco_cost_weights)
615    
616    checkpoint56c_post
617    o OBCS as control variables
618      - update ctrl_ad_diff.list, obcs_ad_diff.list
619      - remove balance of obcs controls from default
620      - fix index bug nobcs in ctrl_init
621      - fix dummy fields filen in ctrl_pack
622      - add dummy weights for obcs
623    o lsopt: comment out fort.94 output
624    o optim:
625      - remove unnecessary header files
626      - adjusted namelists
627      - add xerbla.F to Makefile
628    o exf:
629      - multiple modifications of exf_check_range
630      - unit change in exf_init_runoff from [m/year] to [m/s]
631    o mdsio:
632      - i/o-vector change debugLevel from debLevA to debLevB
633    
634    checkpoint56b_post
635    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
636      is called from DO_THE_MODEL_IO
637      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
638      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
639      - clean up PTRACERS_WRITE_TIMEAVE a little
640    o add another verification experiment that tests both the cfc-pkg and
641      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
642      reactive tendencies treated inline with regular timestepping
643    o testreport previously did a lousy job of comparing small numbers, so
644      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
645      implemented in the little c-progam tmp_cmpnum.c which is embedded in
646      testreport.
647    o ptracers_monitor: bug fix for MPI
648    
649    checkpoint56a_post
650    o GCHEM: finish reorganizating the package
651      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
652        (introduces another 3D-array for each passive tracer, but only if
653        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
654        gchemTendency is not needed because the timestep is done separately)
655      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
656      - GCHEM is now---more or less cleanly---separate from PTRACERS
657      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
658        so clear to me how that should be done in a general way.
659    o CFC: improve formatting of output in CFC_ATMOS
660    o PTRACERS:
661      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
662        that ALL experiments with ptracers enable can be checked. This makes
663        GCHEM_MONITOR obsolete.
664      - include a runtime parameter PTRACERS_monitorFreq that defaults to
665        monitorFreq
666      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
667    o add PTRACERS (PTR0[1-5]) to testreport output
668    o exf_check_range:
669      * default changed to .TRUE.
670      * will check values for niter0 if debLevA, every timestep if debLevB
671      * STOP in exf_check_range if 'out of range'
672      * range chosen generous to allow for potential extema
673      TBD: a version with stricter range
674           permitted range would be runtime parameters
675    o GMredi:
676      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
677      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
678      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
679    o GCHEM:
680      - move call to GCHEM_FORCING_SEP, so that it is now called before
681        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
682      - introduced a useGCHEM runtime flag and applied it everywhere.
683      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
684        this flag is now only visible within GCHEM-pkg routines.
685      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
686        be replaced by a 3D array that is computed before thermodynamics; for
687        this, the tracer ID iTracer had to be included into the parameter list
688        of ptracers_forcing
689      - set up forward_step to call gchem_forcing, that will replace
690        gchem_forcing_int in ptracers_forcing
691      - cleaning up
692    o small cleaning of exch2: remove files that are also in eesupp/src
693    
694    checkpoint56
695    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
696    o mnc: cleanup "full" files--fixes out-of-memory problem
697    o ECCO-GODAE
698      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
699      * fully merged and updated from SIO code
700        windstress sign change affects
701        - exf_inscal_[u/v]stress
702        - sign of xx_tau[u/v] adjustments
703        - signs in cost_scat
704      * ctrl_get_gen: avoid update of tau[u/v] for first few days
705      * natl_box_adjoint updated and compressed
706      * 2-level checkpoint switch added
707        (tested in EXP. 1 of natl_box_adjoint)
708      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
709    o SVD
710      * first complete, non-hacked version for SVD calculations
711      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
712        performed via direct access files admtlm_vector.it????
713        (via ctrl_[un]pack)
714      * optimcycle is used for ARPACK iteration counter
715        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
716      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
717        and add linear transforms where necessary
718      * controls are initial/final SST, SSS (can be extended; need to check
719        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
720    o mdsio: filename info to both stderr, stdout
721    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
722      from sign change
723    
724    checkpoint55j_post
725    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
726      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
727    o add consistent build directories and .cvsignore files to verification
728    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
729    o make all subroutines 30 or less characters in length for certain older
730      compilers to work (a thorough search only turns up two routines in
731      pkg/ptracers)
732    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
733      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
734    
735    checkpoint55i_post
736    o change arrays for total vertical diffusivity (2.D if explicit,
737      3.D if implicit) ; each ptracer uses its own background value.
738    o added mnc/NetCDF output capability to ocn_compon_interf
739      - added bits to verification/cpl_aim+ocn so that it can run on
740        ITRDA and other clusters without the mpirun "-wd" option
741    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
742      configuration
743    o give MNC the ability to create additional files rather than
744      exceeding a specified file size limit "MNC_MAX_FILESIZE"
745      - the default is just less than 2GB which is a practical limit
746        on many systems
747    o Compute the non-local term using either KPP vertical diffusivity (=default)
748       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
749    
750    checkpoint55h_post
751    o add verification test "vermix"
752    o remove all the *_ioinc flags and replace with the single global
753      outputTypesInclusive flag
754    o allow to set a vertical profile of vertical diffusivity for T & S
755    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
756    o useMNC moved from data.mnc to data.pkg
757    
758    checkpoint55g_post
759    o Renaming carbon AD experiments to comply with testreport conventions
760    o Updating adjoint of Held-Suarez hs94.1x64x5
761    o Fixing directives for non-ECCO forward_step, after ECCO directives
762      have been fixed to avoid recomp. of do_oceanic_phys
763      Works well for global_ocean.90x40x15,
764      but recomp. issue remains for carbon
765    o Updating adjoint output for natl_box_adjoint after
766      pkg/ecco has been modified (see taga c55d_post)
767    
768    checkpoint55f_post
769    o rename to timeave_init_fixed
770    
771    checkpoint55e_post
772    o some delicate re-shuffle of store directives to avoid one
773      extra call of do_oceanic_physics
774      affects ecco_the_main_loop.F, do_oceanic_physics.F
775      checkpoint_lev1_directives.h
776    o NB: this may break global_ocean adjoint temporarily,
777      but it is clear how to fix it. Will do later, need this now.
778    
779    checkpoint55d_post
780    o ECCO specific cost function terms (up-to-date with 1x1 runs)
781    o ecco_cost_weights is modified to 1x1 runs
782    o modifs to allow observations to be read in as
783      single file or yearly files
784    o enable to read exf forcing fields as either
785      single file or yearly files (flag useExfYearlyFields)
786    checkpoint55d_pre
787    
788    o switch between 2-level and 3-level checkpointing
789    o add ability of MNC to write local and "partial" (eg. 2D slices where
790      the full 3D field is never actually stored) arrays to NetCDF files
791      with the correct (that is, the complete multi-dimensional) set of
792      array indicies
793      - used in mom_vecinv() to write the diagFreq output
794      - tested (demonstrated) in verification/aim.5l_cs
795    o further mnc-ification
796      - add verification/lab_sea to the list with mnc setups
797      - fix undefined mnc v-names in cd_code
798      - add kpp to mnc output (both snapshot and timeave)
799    o non-hydrostatic code
800      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
801        in calc_gw.F
802      - defaults to viscAh
803      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
804        friction or Leith) in non-hydrostatic mode, as long as there is
805        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
806    o pkg/cost
807      extend simple cost functions to treat time mean quantities
808      (T,U,V) via cost_accumulate_state from cost_tile
809    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
810        be 2 times larger than the minimum size the advection scheme requires.
811        now get a perfect conservation of salt in advect_cs test-exp (updated)
812    o GGL90 (Gaspar's TKE mixed layer)
813      - add horizontal diffusion of TKE, requires exchanges in
814        do_fields_blocking_exchanges, horizontal diffusivity is zero by
815        default. In OPA there is no horizontal diffusion of TKE but the
816        mixing coefficients are computed from a horizontal average of TKE of
817        6 points or so. I think that diffusion has a little more physical
818        justification.
819      - clean up ggl90_calc in the hope of reducing memory usage (this hope
820        was in vain)
821      - mask tke-variable in ggl90_init
822    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
823    o fix biharmonic diffusion on CS-grid.
824    o more obcs stuff
825      - added obcs_external_fields_load as an alternative to the EXF-pkg option
826        for reading boundary values. This routine is called from
827        obcs_prescribe_read
828      - updated obcs_check
829      - changed sponge layer relaxation parameter units for days to seconds
830      - turned off sponge layer by default
831      - changed argument list of OBCS_CALC to myTime+deltaTclock
832      - fixed about 35 bugs in obcs_external_fields_load
833    
834    checkpoint55c_post
835    o obcs stuff
836      - new runtime flags useOBCSprescribe, useOBCSbalance
837      - re-arranged obcs_calc
838      - moved exf_getobcs to obcs_prescibe_read
839        obcs_prescibe_read is called after ORLANSKI stuff
840        and independent of it (executable can contain all).
841      - updated obcs_check
842      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
843        These may be necessary only if tangential velocities are
844        prescribed at OB, not sure, needs testing.
845    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
846      which simplifies the calls and passes the ifc check-bounds test
847    
848    checkpoint55b_post
849    o add a 2D scalar, Z location, exchange_2 routine.
850    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
851      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
852      affects advect_cs results (for the wrong reason): update output.txt
853    o use a more standard discretization for biharmonic viscosity ;
854     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
855      affects results of dome set-up: update output.txt
856    o fix gad_advection.F (CubedSphere part), back to version 1.23
857    o fix bug in mom_vi_del2uv.F (CubedSphere part).
858    
859    checkpoint55a_post
860    o merged code to
861      * prescribe/read time-dependent open boundaries
862        (works in conjunction with exf, cal)
863      * sponge layer code for open boundaries
864      * each boundary N/S/E/W now has its own CPP option
865        (healthy for the adjoint)
866    
867    checkpoint55
868    o up-to-date adjoint of previous breaks
869      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
870      - global_ocean_ebm: adjoint still needs fix (TLM ok)
871      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
872      - carbon: * remove tr1-related adjoint verification
873                * add ptracer as control variable
874    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
875      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
876    
877    checkpoint54f_post
878    o in verification/carbin/ remove experiment related to
879      ALLOW_PASSIVE_TRACER (array tr1 etc)
880      code_ad/ input_ad/ results_ad
881    
882    o add two new packages
883      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
884        + subject to optimization (memory)
885      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
886        + subject to reordering (many GOTOs in the original code)
887        + so far opps is called for every (i,j) point, and then operates in
888          the vertical; one may want to reorder the scheme in order operate in
889          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
890          fields)
891    o overhaul of IO so that we now have flags for MDSIO and/or MNC
892      - all verification tests compile and run with linux_ia32_g77
893      - defaults are compatible with current input files--nothing
894        should change if you were not previously using MNC
895      - MNC output has been added in numerous places (eg. timeave)
896        but there are still a few writes not yet do-able with MNC
897        (this is in progress)
898      - flags now allow for either/or/both use of MDSIO and MNC and
899        documentation will soon follow
900      - numerous small formatting cleanups for ProTeX
901    o add version info (via BUILD_INFO.h) to MNC and stdout
902    
903    checkpoint54e_post
904    o add two new packages
905      - pp81 (Packanowski and Philander, 1981), Richardson number and
906        stratification dependent mixing
907      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
908      - these scheme operate in a similar manner as KPP (without ghat, of
909        course), however there is only one diffusivity that is used for both
910        temperature and salinity (and passive tracers)ç
911    o add offline package
912    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
913      provided by Stephanie Dutkiewicz
914    o genmake2: add ability to search for C compilers and cleanup test output
915      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
916    
917    checkpoint54d_post
918    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
919    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
920      leading to additional shift by 5 days each year of integration
921       (i.e. leading to considerable offset over the years)
922    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
923    o start with no AB and no initial filtering (staggerTimeStep):
924      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
925    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
926      (external loading & cpl import/export stay in forward_step.F)
927    o update coupling interface to work with new staggerTimeStep
928    o change MDSIO ptracers_pickup.
929    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
930    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
931    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
932    
933    checkpoint54c_post
934    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
935      this affects (truncation error) output.txt of test-exp:
936       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
937    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
938    o change Qnet to always be the net heat flux, (+upward).
939      affects (truncation error) output of natl_box exp.: updated
940    o define the max number of passive tracers in PTRACERS_SIZE.h
941    o start to test mnc routinely in exp0
942    o add sea-ice loading (sIceLoad) as a new forcing field.
943    
944    checkpoint54b_post
945    o add testreport "-j JOBS" option for parallel builds (tested and pretty
946       impressive on Altix and Opteron systems)
947    o diagnostics can now write NetCDF files through the mnc package
948    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
949    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
950    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
951      affects (truncation error) output of lab_sea & natl_box exp.: updated
952    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
953    
954    checkpoint54a_post
955    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
956    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
957    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
958    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
959      + internal_wave (shift in writing cg2d_ini_res)
960    checkpoint54a_pre
961    
962    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
963      - modified verification/lab_sea and natl_box_adjoint accordingly
964    
965    checkpoint54
966    checkpoint53g_post
967    o prepare splitting of thermodynamics: store convect.counter in common block
968    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
969      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
970    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
971    o new parameter "nShapS": allow to treat differently S from T (nShapT)
972    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
973    o restore adjointability
974    
975    checkpoint53f_post
976    o modifications that affect AIM experiment results (update output.txt):
977      - no advection of S at top interface Nr (pkg/generic_advdiff)
978      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
979    o AIM pkg:
980      - include stability function into surf.Flux derivative relative to Tsurf
981      - calculate clear-sky radiation & surface temp. change (for diagnostics)
982    
983    checkpoint53e_post
984    o merged cylindrical coord configuration
985    o added rotating_tank experiment
986    checkpoint53e_pre
987    
988    checkpoint53d_post
989    o faulks upgraded: re-generate output.txt that have changed:
990       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
991    o Added Bryan and Lewis, 1979, vertical diffusivity profile
992    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
993    o added Sadourny discretization of Coriolis
994      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
995      - re-enabled use of omega3 (useAbsVorticity)
996    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
997      vector-invariant equations
998      - note: does *NOT* yet use same variable visc. for no-slip BC's.
999    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1000      hopefully without new bugs
1001      - still to do: biharmonic friction for non-hydrostatic w
1002    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1003    o regenerated output for global_ocean_ebm (using -ieee)
1004    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1005      of mom_common/
1006      - simple re-arrangement of instructions within computing loop
1007    checkpoint53d_pre
1008    
1009    checkpoint53c_post
1010    o new version of coupler for AIM+thSIce and Ocean models
1011     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1012     - land: change Evaporation of snow
1013     - aim with thSIce: fix bug in snow-precip.
1014    o changes to calc_gw.F
1015     - bug fix for w^2 term near the bottom boundary
1016     - (hopefully) improve the lateral slip boundary condtions for use with
1017        partial/looped cells
1018      - because the bug fix changes two verification experiments anyway (exp5
1019        and plume on slope), change the lateral boundary condition from half slip
1020        to the value of no_slip_sides
1021    o ebm package wasnt quite up to the parallel task. Fixed that.
1022    o Adjoint of EBM package + verification
1023      * TLM OK
1024      * ADM not sufficient accuracy yet (needs further testing)
1025    
1026    checkpoint53b_post
1027    o Commiting new energy balance model to repository
1028      * package is pkg/ebm
1029      * verif. is verification/global_ocean_ebm
1030      * references are in ebm_driver.F
1031    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1032    C        Global thermohaline circulation. Part I:
1033    C        Sensitivity to atmospheric moisture transport.
1034    C        J. Climate 12(1), 71-82
1035    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1036    C        Global thermohaline circulation. Part II:
1037    C        Sensitivity with interactive transport.
1038    C        J. Climate 12(1), 83-91
1039    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1040    C        Destabilization of the thermohaline circulation
1041    C        by atmospheric eddy transports.
1042    C        J. Climate 7(12), 1870-1882
1043    o Will need long integration testing.
1044    checkpoint53b_pre
1045    
1046    o created pkg/mom_common in preparation for variable viscosity code
1047    o renamed and split ini_mnc_io
1048    o pkg/land: only liquid water can diffuse or run-off
1049    o AIM using land: soil wetness availability account for snow
1050    o added printMapIncludesZeros to EEPARMS namelist
1051    
1052    checkpoint53a_post
1053    o restore TAMC compatiility for exf_constants.h
1054      (no usage of _d in .h)
1055    o Additional storing in KPP in an attempt to fix
1056      TAMC problem with adjoint of KPP code.
1057      (no success...)
1058      Identical code works fine with TAF.
1059    o Fixed verification/natl_box_adjoint experiments.
1060      Initial conditions for Experiments 4 and 5 are now
1061      set to "SEAICE_initialHEFF=0", which is more reasonable,
1062      and hence gives results closer to that of Experiment 2.
1063      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1064    
1065    checkpoint53
1066    o stable checkpoint with up to date adjoint
1067      TLM tests only run for 1st grdchk at the moment. Its unclear if
1068      this is a code problem or a problem with resetting code for g_
1069      variables that is being autogenerated wrong.
1070      Otherwise:
1071       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1072       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1073         are both still in chaos following their security messes.
1074    
1075    checkpoint52n_post
1076    o various build (mostly genmake2) changes including:
1077      - ability to build/run more easily within Cygwin and MacOS X
1078      - more complicated Makefiles with a stronger dependence on Gnu Make
1079    o pkg/seaice modifications
1080      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1081        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1082        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1083      - changed proxy for geostrophic velocity and updated
1084        verification/lab_sea/results/* accordingly
1085      - removed ADI dynamic solver from pkg/seaice
1086      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1087        they caused a segmentation fault under certain circumstances
1088      - removed unused field WATR
1089    o bug fix in exf-package:
1090      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1091         now reflect that.
1092    o small fixes in the cal-package:
1093      - set reference date to first of January for the 'model'-calendar
1094      - failing of cal_CheckDate in cal_FullDate now actually results in a
1095        warning
1096    o small modifications in exf-package to increase flexibility:
1097      - change climtempfreeze from a constant to a runtime parameter that
1098        is specified in data.exf_clim (default = -1.9)
1099      - introduce runtime parameter windstressmax (default = 2.0) that is
1100        specified in data.exf
1101    o fix in pkg/thsice:
1102      - update Evap (Tsf changes) to be consistent with Latent heat flux
1103      - maintain snow precipitation unchanged (even if Tsf >=0).
1104     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1105    
1106    checkpoint52m_post
1107    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1108      this does not change any of the results, because myIter=0 in swfrac always
1109      lead to jwtype=2 (the default anyway), but the call makes little sense
1110      as a default
1111    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1112    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1113      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1114    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1115    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1116    o extending useSingleCpuIO option to work with new exch2 I/O format
1117      - old-style, missing-tile I/O is still accessible by defining CPP
1118        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1119    o monitor package can write to NetCDF files and/or STDOUT
1120    o fix re-definition bug in MNC_GRID_INIT_ALL()
1121    o doc/api_reference added
1122      - a framework for building an API Reference Manual using all
1123        the "protex" comments embedded in the code
1124      - see pkg/generic_advdiff, pkg/mnc for examples
1125    o MNC:
1126      - make myThid the last argument for all subroutines
1127      - new default for the grid files: NO halos
1128      - add useMNC and other run-time flags
1129      - separate per-file-group handling of the unlimited dimension
1130      - early initialization of MNC w/ flags read at the eeboot stage
1131        and lookup tables set in initialize_fixed
1132      - write all MNC output to a freshly-created directory
1133    o thermodynamics sea-ice (thsice) is now tested with testreport.
1134    o test exp. advect_cs: use the standard cs32 grid ; update output.
1135    o Added functionality to grdchk:
1136      pick global i,j,k position (or nearest wet) where to perform check.
1137    
1138    checkpoint52l_post
1139    o new land formulation:
1140      a) use ground enthalpy as prognostic variable to ensure exact
1141         energy conservation.
1142      b) account for water temperature and for latent heat of freezing
1143         in all processes (rain, run-off, ground storage)
1144      c) compute surface and ground temperature implicitly.
1145    o aim_v23 modification for new land model:
1146      a) Treat separately land / ocean / sea-ice surface fluxes
1147         to allow implicit computation of land & sea-ice surface temp.
1148      b) add snow precipitation.
1149    checkpoint52l_pre
1150    
1151    o fix problem (when 1 tile is empty) in min/max monitor.
1152    o fix bug in timeAve (u,vZetatave in common block)
1153    o no restoring terms under ice for pkg/seaice
1154    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1155    o bug fix for pkg/seaice pickups
1156    o change MNC call locations and add coordinate attributes
1157    o mask vorticity at the corner ; affects global_ocean.cs output
1158    o fix ini_curvilinear_grid ; test CS experiments with mpi
1159    o aim.5l_cs: modify sea-ice fraction input file ; update output
1160    o exf: Adding simple range check routine for exf fields after read
1161    
1162    checkpoint52k_post
1163    o removed top-level directory "diags"
1164      - we migrated these functions to pkg/timeave a long time ago
1165    o fixed bug introduced in pkg/monitor
1166    o accuracy ctrlprec = 32 insuffient for gradient checks using
1167      averaged fields (I/O via cost_averages)
1168      -> use ctrl.h in active_file*.F to control I/O precision.
1169    o paramter list of CALL ADTHE_MAIN_LOOP
1170    o added initial do_the_model_io to ecco
1171    o set all ...Freq to zero after cost_final
1172      taveFreq, dumpFreq, pChkptFreq
1173    o MAIN and ECCO differentiability restored
1174    
1175    checkpoint52j_post
1176    o fix nchklev in tamc.h for global_ocean...
1177    o Bringing flow and store directives up-to-date
1178    o Really weird thing!
1179      call do_the_model_io from the_main_loop with parameters
1180      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1181      TAF places a faulty re-call of initialise_varia
1182      after cost_final call which should not be there!
1183    checkpoint52j_pre
1184    
1185    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1186      error messages
1187    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1188    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1189      debug output
1190    o modfied mdsio_writefield.F to handle non-global files under exch2
1191    o update AIM Cubed-Sphere exp (aim.5l_cs):
1192      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1193    o update AIM Equatorial Channel exp:
1194      use standard aim_v23 pkg and change the SST fields to be more realistic.
1195    o globalFile now works with exch2
1196    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1197      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1198    o limit timeave output for hi-res integrations
1199    
1200    checkpoint52i_post
1201    o removed CPP_EEOPTIONS.h from verification/*/code
1202    o updated the tiling for global_ocean_pressure
1203    checkpoint52i_pre
1204    
1205    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1206      the old pkg/aim).
1207    
1208    checkpoint52h_pre
1209    o shortened offending lines in exch2_send_rx?.template
1210    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1211    o genmake2: add build & execute test for NetCDF code
1212    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1213      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1214    o added useSingleCPUIO flag to monitor.F and mon_out.F
1215    o added temporary hack for sea-ice dynamics on the cube:
1216      metric terms are ignored and it is assumed that
1217      there is no sea-ice on cube faces 1, 2, 4, and 5.
1218    
1219    checkpoint52f_post
1220    o added exch2 cube routines to pkg/exch2
1221    o modified hs94.cs-32x32x5 to use it
1222    o added new grid files to hs94.cs-32x32x5
1223    checkpoint52f_pre
1224    
1225    checkpoint52e_post
1226    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1227      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1228    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1229      to work with implicit vertical advection and AB ;
1230    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1231    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1232     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1233    checkpoint52e_pre
1234    
1235    o fix bug in impldiff when Nr=1 or Nr=2.
1236    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1237    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1238    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1239      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1240    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1241    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1242    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1243    
1244    checkpoint52d_post
1245    o re-tiled many expts to allow comparison in multi-processor mode
1246      - updated output accordingly
1247      - changed hs94.128x64x5 to use intial T from file rather than use the
1248        random number generator
1249    o add infrastructure in model routines for fizhi and gridalt packages
1250    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1251    o changes to permit hi-res, cubed-sphere, configuration
1252      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1253      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1254      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1255        of surface winds for the cube
1256      (A verification experiment, based on global_ocean.cs32x15, but with
1257       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1258       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1259       complete with example surface forcing files and matlab scripts to look
1260       at the output and compare it with that of global_ocean.cs32x15.)
1261    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1262       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1263       to conform to the common rule.
1264    o check-in the first version of the coupler + interfaces for multi-components
1265       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1266       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1267       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1268       - ocean and atmos. share the same horizontal grid (no interpolation).
1269       - exchanges between component and coupler is done in forward_step
1270    o new verification experiment, cpl_aim+ocn:
1271       coupled ocean - AIM atmosphere on cs32 grid.
1272    
1273    checkpoint52d_pre
1274    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1275    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1276    
1277    checkpoint52c_post
1278    o Fixing OPTIONS files for use of exf:
1279      - ALLOW_ECCO not needed
1280      - ECCO_CPPOPTIONS.h should not be included from
1281        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1282        as has been the case in the past
1283      - All cal/exf related options are currently set in
1284        single header file. Should remain so until we
1285        agree on a consistent new policy.
1286    o Removed all CPP options for cal package.
1287      cal has no more CPP options.
1288    o modified STOREs in GAD_ADVECTION
1289    o corrected key comp. for passkey
1290    
1291    checkpoint52b_post
1292    o new version: "thsice" of thermodynamic sea-ice pkg:
1293     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1294     - modify fluxes but do not change theta directly;
1295     - light cleaning of bulk_force pkg (still needed with thsice).
1296     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1297       + output_thsice.txt to test thsice & bulk_force pkgs.
1298    o put back grid & coriolis monitor output.
1299    checkpoint52b_pre
1300    
1301    o call "do_the_model_io" at the beginning (=> dump initial state)
1302    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1303    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1304      (need info on NUMBER_OF_PTRACERS)
1305    o missing PTRACERS headers in some routines
1306    o default tamc.h in pkg/autodiff supposed to crash
1307      to ensure proper customization
1308    
1309    checkpoint52a_post
1310    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1311      - moved surfaceTendencyTice from pkg/seaice to main code
1312      - subroutine FREEZE_SURFACE now limits only surface temperature
1313        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1314        => new output.txt for global_ocean.cs32x15 & global_with_exf
1315      - keep the old version of FREEZE for backward compatibility;
1316        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1317      - corresponding modifs for TAF directives
1318    o added surface flux output variables to TIMEAVE_STATVARS
1319    o time-averaged output for pkg/ptracers
1320    o fix problem with ECCO-related divided adjoint
1321      snapshot file was missing some ad-variables,
1322      but no warning issued by TAF
1323    
1324    checkpoint52a_pre
1325    o some bug fixes for #undef REAL4_IS_SLOW
1326    
1327    checkpoint52 = ecco_c52_e35
1328    o after testing adjoints of checkpoint51u_post
1329    
1330    checkpoint51u_post
1331    o this is the post-merge tag of the ecco-branch
1332      (needs another clean checkout and re-testing)
1333    o various natl_box_adjoint configs and results
1334      but no input fields
1335    o obcs adjoint not yet merged!
1336    o adding ECCO global 1x1 and 2x2 degree configs
1337    o updated/extended some store directives for seaice
1338    o pkg/ecco now containes ecco-specific part of cost function
1339    o top level routines the_main_loop, forward_step
1340      supersede those in model/src/
1341      previous input data.cost now in data.ecco
1342      (new namelist ecco_cost_nml)
1343    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1344    
1345    checkpoint51t_post
1346    o this is the pre-merge tag of the ecco-branch
1347    
1348    checkpoint51s_post
1349    o cleanup: removed various obsolete #define-s
1350    o pkg/grdchk
1351      - renamed 'ph-grd 3' to 'grad-res'
1352      - merged from ecco-branch
1353        (remaining bug fixes for obcs gradient checks)
1354      - additional high-precision output for testreport
1355        (grep for 'precision_grdchk_result')
1356    
1357    checkpoint51r_post
1358    o cleaned up or removed CPP_OPTIONS.h files
1359    o updated results for some of the tests to reflect the new
1360      optfiles (-ieee: -O0 instead of -O3)
1361    
1362    checkpoint51q_post
1363    o cd_code:
1364      - moved cd_scheme.F -> cd_code_scheme.F
1365      - separate read_checkpoint from cd_code_ini_vars.F
1366      - separated cd_code part from write_checkpoint
1367      - updated AD_SOURCE, generated .flow
1368      - added CD_CODE_VARS.h to the_main_loop
1369      - Moving cd_code specific store dir.s to pkg/cd_code
1370    o ctrl package totally restructured
1371      - pack/unpack now optional and decoupled from
1372        xx_/adxx_ I/O
1373      - ctrl_pack/unpack cleaned
1374        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1375      - confined inclusion of AD_CONFIG.h to where necessary.
1376    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1377    
1378    checkpoint51p_post
1379    o create initial cd_code package
1380      - WARNING: the initialization of fields within packages
1381        is broken because INI_FIELDS (where READ_CHECKPOINT is
1382        called) is called *before* PACKAGES_INIT_VARIABLES.
1383        This seems to be backwards since
1384        1) its important to initially zero the entire field including
1385           the "halo" region
1386        2) zeroing needs to be done *before* reading pickup info
1387           and the pickup call might or might not happen in any
1388           particular run
1389      - this needs an overhaul for R2
1390    o cleanup verification/*/code/GMREDI_OPTIONS.h
1391    o cleanup testreport
1392    
1393    checkpoint51o_post
1394    o bringing AD-related verif's up to date with genmake2
1395      - carbon/
1396      - global_ocean.90x40x15/
1397      - hs.94.1x64x5/
1398      - (front_relax/ )
1399    o (more) consistent directory structure for AD-related verif.'s
1400    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1401    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1402    o bug fix in find_alpha.F for MDJWF:
1403      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1404        change rho -> rho-rhoConst
1405      - replace call find_rho to find_rhonum
1406    o initialisation of rFlx extended to full array (required by TAF)
1407      and shifted to thermodynamics
1408    o removed PTRACERS.h in ptracers routine
1409    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1410    o Correcting initialisations for fVerU, fVerV.
1411    o helping TAF to recognize dependency on kUp for
1412      fVerU, fVerV
1413    o Replacing delZ by delR in pkg/ctrl/
1414    checkpoint51o_pre
1415    
1416    o undid all of cp51 pending some cleanups and discussion
1417    o added the [#include "AD_CONFIG.h"] statement to all files that need
1418       it for adjoint/tl #defines
1419     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1420     o removed tools/genmake since it no longer works
1421    
1422    checkpoint51n_post
1423    o modifications to make FREEZE flux visible to pkg/kpp
1424      - moved surfaceTendencyTice from pkg/seaice to main code
1425      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1426      - subroutine FREEZE now limits only surface temperature
1427        (this means new output.txt for global_ocean.90x40x15,
1428         global_ocean.cs32x15, and global_with_exf)
1429    o added surface flux output variables to TIMEAVE_STATVARS
1430    
1431    checkpoint51n_pre
1432    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1433    o added [#include "AD_CONFIG.h"] to all files that use the following
1434      defines:
1435      - ALLOW_ADJOINT_RUN
1436      - ALLOW_TANGENTLINEAR_RUN
1437      - ALLOW_ECCO_OPTIMIZATION
1438    
1439    checkpoint51m_post
1440    o incorporating changes to get TAMC/TAF working in genmake2
1441      - added new TAMC/TAF targets to the Makefile
1442      - various cleanups related to package handling
1443      - these changes should have no impact on the forward model
1444    
1445    checkpoint51l_post
1446    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1447     - faster algorithm for cal_addtime.F
1448     - higher precision arithmetic, where needed
1449     - pkg/exf *startdate variables changed from calendar date to
1450       model integration time
1451    
1452    checkpoint51l_pre
1453    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1454    o enable to apply restoring on S & T only in a latitude band.
1455    o update output (external_forcing_surf modif. change truncation errors)
1456       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1457    
1458    checkpoint51k_post
1459    o change default to: useNHMTerms=.FALSE.
1460     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1461       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1462     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1463        exp1, ideal_2D_oce
1464     - change data file of oceanic exp (leave the results unchanged for now)
1465       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1466    o set gravitySign automatically according to the vertical coordinate used
1467      (and change sign: back to "logical" value: +1 when R increases downward)
1468    o added an include barrier to the default CPP_OPTIONS.h and
1469      removed the #include "PACKAGES_CONFIG.h" from it
1470    o fix a bug in mom_fluxform (from chk51j_post)
1471    
1472    checkpoint51j_post
1473    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1474    o adjusted some flow directives (dynamics, thermodynamics)
1475    o added cubed-sphere case to test cost function
1476    o heckpoint_lev?_directives.h now include
1477      pkg-specific directives, whenever those are enabled.
1478    o Moving pkg-specific flow directives to corresponding pkg
1479      Moving pkg-specific differentiation list to corresponding pkg
1480      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1481      ---> conventions are
1482           - pkg_ad.flow
1483           - pkg_ad_diff.list
1484           - pkg_ad_check_lev?_dir.h
1485    
1486    checkpoint51i_post
1487    o merge of the branch-genmake2
1488      - knowingly breaks the older genmake
1489      - automatic generation of all ALLOW_${PKG_NAME} defines
1490      - new testreport supersedes older testscript
1491    o large number of package inclusion and header cleanups
1492    checkpoint51i_pre
1493    
1494    o new output for adjoin of global ocean vector invariant
1495    o fix for checkpoint of thermodynamic seaice and bulk_force
1496    o Steph gchem various cleanups
1497    
1498    checkpoint 51h_pre
1499    o fixed some single quotes
1500    o modify gchem pkg to be more versatile
1501    o modifications to clean up dic pkg
1502    o add pkg/cfc
1503    
1504    checkpoint51g_post
1505    o provide links for ARPACK and ADM*TLM
1506    o start removing verification/vero/
1507    o update AD-related stuff
1508      (in particular some IF-statements in model/src/ routines)
1509    o adding to verification/global_ocean.90x40x15/ adjoint of
1510      vector invariant setup
1511    
1512    checkpoint51f_post
1513    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1514    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1515      of tracer Green's fucntions for ocean inversion project.
1516    
1517    checkpoint51f_pre
1518    o Added on-the-fly spatial interpolation capability
1519        "USE_EXF_INTERPOLATION" to pkg/exf.
1520      - This is a temporary Cartesian-grid hack until
1521        the super-duper ESMF coupler becomes available.
1522      - See verification/global_with_exf/README for usage example.
1523      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1524        flags and modified pkg/seaice accordingly.
1525    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1526        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1527        non-local transport term.
1528    
1529    checkpoint51e_post
1530    o pkg/mom_vecinv:
1531      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1532      - add time-ave diagnostic of vorticity advection.
1533    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1534    o atmospheric geopotential: - include water vapor effect;
1535                                - use p^kappa in p* scaling.
1536    o land pkg: read initial state from files.
1537    o AIM : add stratospheric drag in the upper level
1538    
1539    checkpoint51d_post
1540    o change function ILNBLNK (=> last non-blank char.) to return zero
1541      (instead of the string length) when the string. char is empty
1542    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1543    o modif's to restore TAMC compatibility
1544      - avoid "_d" constructs in PARAMETER declarations
1545      - avoid interrupting lines by comment lines
1546    o Use cluster local disks for purely local I/O
1547      vs. globally visible disks needed for ctrl stuff
1548      (merged from ecco-branch)
1549      - new active_file_loc... and mdsio_..._loc routines
1550      - affected packages: autodiff, ctrl, grdchk, mdsio
1551    
1552    checkpoint51c_post
1553    o introducing integer flag debugLevel
1554      - debLevZero: suppress all output
1555      - debLevA: standard
1556      - debLevB: equivalent to current debugMode=.TRUE.
1557    o introducing pathname variable mdsioLocalDir for mdsio
1558      that can be specified at runtime
1559      (relevant for cluster I/O to local disk)
1560    `
1561    >>>checkpoint51b_post
1562    adjoint of ptracers
1563    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1564    o extended state in checkpoint_lev?, etc.
1565    o alternative ctrl/cost with tr1 or ptracer
1566    o new comlev1_bibj_ptracers
1567    o new ptracers.flow
1568    o made ptracers_forcing same as external_forcing_s
1569    o added verification for adjoint with ptracers
1570      - adm. grdchk fail so far
1571      - tlm. grdchk OK
1572      - checked tapelev/comlev recomputations: OK
1573    <<<checkpoint51b_pre
1574    
1575    checkpoint51a_post
1576    o added code for biogeochemistry package
1577      - new pkgs: dic, gchem
1578      - new subroutine in ptracers
1579    o modify code for biogeo packages
1580      - in model/src and pkg/ptracers
1581    
1582    checkpoint51
1583    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1584      - autodiff, ctrl, exf, grdchk, seaice
1585      kept separate packages
1586      - cost, ecco, obcs
1587    o updating verification/internal_wave, verification/lab_sea
1588      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1589    
1590    checkpoint50i_post
1591    o Preparing next differentiable checkpoint and sync
1592      of MAIN vs. ecco-branch
1593      - 1st step: this one is differentiable
1594      - 2nd step: next(! not this) checkpoint will have updated packages
1595                  from ecco-branch)
1596    
1597    checkpoint50h_post
1598    o new package "land": provide surface BC for AIM.
1599    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1600    o AIM: use true log-P extrapolation for near surface temp (= as in
1601        F.Molteni paper) ; update aim.5l_cs output.
1602    o New variable in PARM03 for more flexible pickups
1603    o somewhat cleaned package initialisation sequence for
1604      ctrl/ cost/ ecco/ in packages_... routines
1605    
1606    checkpoint50g_post
1607    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1608      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1609      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1610        made the default because of faster convergence than ADI
1611    
1612    checkpoint50f_post
1613    o exf totally restructured
1614      - replaced all exf_set_ routines by one generic exf_set_gen.F
1615        and made sure it's still differentiable
1616      - split exf_getffields.F into new exf_bulkformulae.F
1617      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1618      - updated adjoint/makefile and relevant verif. accordingly
1619    
1620    checkpoint50f_pre
1621     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1622          + change Evap over land. (update aim.5l_cs output)
1623     o added missing .cvsignores and made uniform across expts
1624     o changed configuration of tidal_basin_2d expt
1625     o added pkg/debug functions for tracing code in fatal crashes
1626     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1627     o new fn in pkg/monitor to stop model if solution grows too big
1628     o removed lots of single quotes from comments
1629    
1630    checkpoint50e_post
1631    o make KPP work with PTRACERS
1632     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1633       nearly a copy of kpp_transport_s
1634     - there is no analogue to SurfaceTendencyS, so I have to use
1635       gPtr(of the surface layer) instead
1636    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1637    checkpoint50e_pre
1638    
1639    checkpoint50d_post
1640    o change kpp output from multiple-record state files to single-record state
1641      files analogous to write_state.F
1642    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1643      analogous to the cg2d-related output.
1644    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1645      so that writing to internal file fn (with length 512) fails.
1646    checkpoint50d_pre
1647    
1648    checkpoint50c_post
1649    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1650    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1651    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1652    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1653    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1654    
1655    checkpoint50c_pre
1656    Merging from release1_p13:
1657    o bug fix for pkg/seaice dynamic solver
1658    o Added SEAICE_initialHEFF to pkg/seaice
1659    
1660    checkpoint50b_post
1661    o store u*,v* in gU,V instead of in guNm1,gvNm1
1662    o in order to put the momForcing out of the Adams-Bashforth:
1663      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1664      to timestep.F
1665    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1666    o re-generate output for highly sensitive test-exp:
1667       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1668    
1669    checkpoint50b_pre
1670    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1671    o corrected CPP option mismatch in exf_Bulk... functions for case
1672      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1673    
1674  checkpoint50a_post  checkpoint50a_post
1675  o Bug fix for merging between c50 and KPP.  o Bug fix for merging between c50 and KPP.
1676    ikey was passed from thermodynamics to kpp_calc via    ikey was passed from thermodynamics to kpp_calc via

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