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revision 1.208 by jmc, Thu Nov 13 22:51:32 2003 UTC revision 1.600 by jmc, Sun Jan 22 16:49:26 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 pkg/bulk_force:
8     - add option and parameters to use AIM surface-flux formulae.
9     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
10       others forcing fields (defined in PARM05, parameter file "data") are loaded
11       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
12     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
13     - use the right EXCH call for uwind,vwind (to work on CS-grid).
14     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
15       and parameters (note: calcWindStress replaces .NOT.readwindstress).
16     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
17    
18    checkpoint58
19    o add "--embed-source" option to genmake2 which, when the supporting
20      tools can be compiled (as determined by genmake2) will turn on the
21      embed_files package which then embeds the entire MITgcm source code
22      (*.[fFhc] + Makefile) used for the build within the executable
23      - requested by CNH but off by default
24      - adds a paltry <9MB to the mitgcmuv executable in most cases
25      - only writes the output when useEMBEDSRC in eedata is true
26    o clean up 3-dim. relaxation codes:
27      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
28      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
29      * Thanks to Tom Haine for testing!
30    
31    checkpoint57z_post
32    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
33      affects output (@ truncation level) of exp. plume_on_slope ; updated.
34    o fix the pickup behavior for obcs in combination with ptracers
35    o fix a bug in ptracers_external_fields_load
36    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
37      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
38    o transfered surface NH pressure to eta field (if exactConserv).
39    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
40         and update lab_sea output.txt file.
41    o completing 3-dim. relaxation code: additional term
42         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
43      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
44      * At compile time, in "EXF_OPTIONS.h" set
45          #define  ALLOW_CLIMTEMP_RELAXATION
46          #define  ALLOW_CLIMSALT_RELAXATION
47      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
48          tauThetaClimRelax3Dim = 15552000.0,
49          tauSaltClimRelax3Dim  = 15552000.0,
50      * 3 cases:
51          1) Use a constant-in-time 3-dim. field
52          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
53          3) Real-time relax. to time-evolving prescribed field
54    o Adding Laplacian-type smoothness constraint on
55      initial and boundary (forcing) controls (ic, bc)
56      * enable at compile-time via
57        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
58      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
59      * Absolute scale somewhat unclear so far
60      * no area weighting was included since no other cost term does so far
61    
62    checkpoint57y_post
63    First step for a NLFS adjoint
64    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
65    o new init. routines for calc_r_star, calc_surf_dr
66    o still need to deal with ini_masks_etc
67    o testreport seemed happy
68    checkpoint57y_pre
69    
70    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
71    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
72    o add new offset feature to offline pkg (plus minor cleanup)
73    o cfc fixes for final year of integration
74    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
75      be in GCHEM_OPTIONS).
76    
77    checkpoint57x_post
78    o fix testreport Pb in multiple test experiment.
79    o cleanup our namelist syntax in verification:
80      - make it more F95 standards compliant (some work still needed)
81      - allows the vast majority of our tests to work with gfortran
82    o Non-Hydrostatic:
83     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
84     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
85    o Allow to apply AB on T,S rather than on AB(gT,gS):
86     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
87     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
88       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
89     - need a "clever" read_pickup to restart from the other AB formulation
90    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
91    o remove some unused variables (reduces number of compiler warnings)
92    o adjoint
93      * Disable useVariableViscosity for adjoint for time being
94        (there are a number of extensive recomputations)
95      * Initialize certain variables needed for adjoint
96    
97    checkpoint57w_post
98    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
99                 fix the singleCpuIO RS version of MDSWRITEFIELD
100       and add a WARNING if using globalFiles=T with multi-processors.
101    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
102      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
103    o tracer advection scheme:
104      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
105       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
106       was not very convenient).
107      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
108       (further tests needed for the implicit DST & Flux-Limiter schemes).
109    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
110      and sRef for convenience, handy, when you want to initialize
111      ptracers in a large domain with a constant non-zero value. Also,
112      untangle ptracers_init.F a little.
113    
114    checkpoint57v_post
115    o change dome exp. to use variable viscosity in side-drag terms.
116    o remove all the files from the cfc_offline test since they are now
117      incorporated into tutorial_cfc_offline which has been producing
118      identical results for a few days of testing
119    o add new parameter: sideDragFactor to enable half-slip-side BC
120      and change side-drag S/R to use viscosity from mom_calc_visc
121      (can switch back by setting sideDragFactor=0.); affects results at
122      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
123       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
124    o vorticity & strain are now computed without masking, to account for
125      no-slip-side BC in variable viscosity calculation ; mask is applied
126      anyway later on, before computing advection/coriolis terms.
127    o modify exp4 to test new obcs support for reading from external files
128      and for passive tracers
129    o fix behavior of ptracers_monitor when monitor output is written to a
130      netcdf-file; still not independent of monitor.F (writes in the same
131      file).
132    o change default value of tRef (put a uniform, meaningful value for ocean
133      & atmos) and initialize sRef (was missing, as Martin mentioned).
134    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
135      to be proportional to enstrophy dissipation length.  Thus,
136       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
137      This is now consistent with Smagorinsky and with the manual.
138    
139    checkpoint57u_post
140    o OBCS and PTRACERS: add open boundary support for passive tracers
141      - either use homogenous (pseudo) v.Neumann conditions or prescribe
142        OB-values from file; this is not different from the way theta and salinity
143        are treated
144      - however, Orlanski-radiation conditions are not supported, and the model
145        will stop if you use pTracers and Orlanski at the same time.
146      - beefed up the rountine obcs_external_fields_load: now only those open
147        boundary values are overwritten with values from files for which there
148        are really files, otherwise the OB-fields remain untouched. This makes
149        it possible to use different OBs at different ends of the domain (as
150        with EXF)
151    o reduce number of exch calls in shap_filt (s2).
152    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
153      truncation level) 4/5 MLAdjust test results (11&12 digits match).
154    
155    checkpoint57t_post
156    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
157    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
158      same truncation, independent of the face number: affects affects several
159      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
160    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
161      note that biharmonic viscosity + no-slip was not tested in any experiment.
162    o fix bug in non-linear free-surf side-drag ; generate new output for
163      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
164    o make mnc honor the writeBinaryPrec flag for most kinds of output
165    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
166    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
167      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
168    o add brackets in multi-terms sum to get same truncation, independent of
169      the face number (manage to get exactly same value of gU,gV at the cs-edge)
170      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
171    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
172      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
173      a maximum grid-scale Reynolds number.  Also, changes all length calculations
174      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
175      Suggested values of viscosity parameters found in mom_calc_visc.
176      Many new viscosity diagnostics available.
177    
178    checkpoint57s_post
179    o Add clearing-house for viscosity calculations, mom_calc_visc and
180      correct numerous bugs in LeithD and Smagorinsky discretizations.  
181      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
182      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
183      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
184      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
185      The Strain-Tension form is now called with useStrainTensonVisc=.true.
186      ViscAhStrain and viscAhTension are now retired.
187    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
188    o In response to JMC's bug report, genmake2 now ignores any soft-links
189      that it finds in the *current* directory when searching for files.
190      Soft-links found in any other source directories will still work as
191      they did before.
192    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
193      a C routine to unlimit the stack size
194    o mnc-ify pkg/aim snapshot vars
195    o mnc-ify pkg/land as requested by Daniel
196    o various changes to mnc including:
197      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
198      - output can now be grouped so that all files within a group
199          change the ITER portion of their names in lock-step together
200      - can now read ("global") PER-FACE (in addition to PER-TILE) files
201          and works with both EXCH1 and EXCH2 (but needs more testing)
202      - writing works for all verification test cases w/ g77 on Linux
203    
204    checkpoint57r_post
205    o make MNC variable initialization happen earlier
206    o add diagnostics for (almost) each term of the momentum Eq.
207    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
208    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
209    o remove MINIMAL_TAVE_OUTPUT option ;
210      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
211    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
212      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
213    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
214    o add time-dependent SST, SSS control
215    o cost terms in ecco/ modularized (new cost_generic.F)
216    o cost_averages routines are modularized (new cost_averagesgeneric.F)
217    o new infrastructure for seaice model vs. obs misfits in seaice/
218      * driver from the_main_loop.F is seaice_cost_driver.F
219      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
220      * gradient check in Exp. 6a of natl_box_adjoint/
221    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
222      (see README file)
223    
224    checkpoint57q_post
225    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
226    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
227      - bug was reported by Jean-Michel and Ian Fenty
228    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
229      update exp. cpl_aim+ocn output.
230    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
231      Needed for high-res. runs with large global files
232      to be able to limit tapelev size
233    o Changed some tests for adjoint:
234      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
235      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
236      * global_ocean.90x40x15/ back to default 3-level checkpointing
237    o Modifications to enable scripted COMMON to MODULE conversion
238      * verification/OpenAD/code/ has necessary scripts and description;
239      * converts, compiles and runs successfully;
240    
241    checkpoint57p_post
242    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
243    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
244      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
245    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
246    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
247      (was already the case for dissipation with mom_vecinv,
248       and also the case for grad.PhiHyd when staggered-timeStep)
249      This will allow to put dissipation out-off the AB time-stepping.
250     Unfortunately, affects truncation error. Update output of exp. that "fails"
251      (cg2d matching number) and leave the others for later: front_relax(10),
252      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
253      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
254    
255    checkpoint57o_post
256    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
257      (2) its ready to be documented during the 20050801 DocFest
258    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
259      for ideal_2D_oce and lab_sea on linux_ia32_g77
260    o set to #undef CTRL_SET_OLD_MAXCVARS_30
261      in global1x1_tot/code_seaice_adj to access indices 32, 33
262      (worth another tag)
263    
264    checkpoint57n_post
265    o adding precip control xx_precip 32
266    o adding swflux control xx_swflux 33
267    o Replacing 10 forcing penalty cost routines by 1 generic.
268    o Implementing partitioning in time-mean and variable adjustment
269      for atmos. state.
270    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
271    o in natl_box_adjoint:
272      * updated exp 1 to 10
273        (but does not have time-mean vs. variable split results yet)
274    o updated global1x1/*_seaice_adj/
275      to incorporate latest changes
276    o enable useSingleCpuIO for mdsio vector routines
277      (applies in particular to tapelev I/O)
278    o removed inefficient K-loop in all active_file*control*.F
279    
280    checkpoint57m_post
281    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
282      and advect_cs (use EXCH-2 and standard cs-32 grid files).
283    o pkg/exch2: filling of face-corner halo regions is optional
284      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
285    
286    checkpoint57l_post
287     tag before updating tutorials (pre-release-2)
288    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
289       for output and interpolation of input fields onto model grid)
290    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
291       Affects results of exp. rotating_tank ; update output.txt.
292    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
293          and taking the square quantity and/or using a fraction-weight field.
294    o fix aim_diagnostics_init.F mate numbers.
295    o add mnc output capability to diagnostics/diagstat and update
296      our cvsignore files for the ACSII output generated
297    
298    checkpoint57k_post
299    o lab_sea now uses diagnostics package and provides a suite of
300      new EXF diagnostics output.
301    
302    checkpoint57j_post
303    o exf
304      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
305        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
306        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
307      * extended diagnostics output
308        - now includes all EXF variables
309        - hs, hl moved to common block
310        - separate S/R for diagnostics, called after ctrl vector is added
311        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
312        - EXFqnet contains true Qnet (i.e. includes qsw)
313      * updated verif. lab_sea, global_with_exf
314      * Rearranging hflux (exf_mapfields -> exf_getforcing)
315        to ensure that diagnostics sees a true EXFqnet
316    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
317    o diagnostics pkg: change pointers so that 1 diagnostic can be used
318      several times with different frequencies.
319    o mnc-ify the thsice package as requested by Daniel Enderton
320      - the monitor--MNC output needs work
321      - many attributes need to be added (most are currently blank)
322    o mnc-ify theaim_v23 package as requested by Daniel Enderton
323      - many attributes need to be added (most are currently blank)
324    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
325    o add Sadourny like discretization to the 4th.O vorticity advection scheme
326    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
327      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
328         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
329    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
330     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
331    
332    checkpoint57i_post
333    o Diagnostics package was changed: diagnostic allocation is now deactivated
334      by setting an empty file name in the namelist (used to be by setting 0 frequency)
335    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
336      add 1rst Order upwind vertical Shear.
337    o add a quick fix for A/B checkpointing in OFFLINE mode
338    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
339      end-run around the C/Fortran linking horror in eesup/src/timers.F
340    o added pkg/runclock: allows user to terminate run based on wall clock
341    o added non-hydrostatic scaling parameter: nh_am2
342    o pkg/my82: futile attempt to make results compiler-independent by adding
343      some "_d 0", etc. no effect.
344    o for mnc output, fill the 'T' coordinate var with myTime and create a
345      separate 'iter' variable for iteration count
346    o pkg/diagnostics:
347      add new capability: output of Global/Regional & per-level statistics ;
348      tested against monitor output (including land & thSIce) on various exp.
349    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
350    
351    checkpoint57h_done
352      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
353      data.diagnostics, data.gchem, data.ptracers) is done.
354    
355    o pkg/diagnostics: prepare for Global/Regional statistics.
356      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
357    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
358      and rename it: DIFFERENT_MULTIPLE
359    
360    checkpoint57h_post
361    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
362    o pkg/diagnostics: change output frequency, now in seconds (instead
363      of Nb of iterations). This requires to change data.diagnostics.
364    checkpoint57h_pre
365    
366    o in mnc, let the user create the output dir if both mnc_outdir_date
367      and mnc_outdir_num are false
368    o add fflags() to pkg/diagnostics which allows one to specify, on a
369      per-file basis, the file precision [default behavior is unchanged]
370    o added diagnostics to pkg/kpp, including computation of mixed layer
371      depth based on a temperature/density criterion
372    o updated verification/natl_box to test the new pkg/kpp diagnostics
373    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
374    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
375    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
376      not mnc -- this mistake was found by JMC and is now corrected
377    
378    checkpoint57g_post
379    o add Adams-Bashforth 3rd Order time stepping:
380      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
381      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
382    checkpoint57g_pre
383    
384    o make lambda[Theta,Salt]ClimRelax spatially varying
385      (default remains spatially uniform constant based on tau)
386    o added new control variables
387      * init. uVel, vVel, etanN
388      * lambda[Theta,Salt]ClimRelax
389    o separate masks used for ctrl_pack/unpack 'from write_grid' output
390      (suggested by G. Forget)
391    
392    checkpoint57f_post
393    o add parameter "baseTime" = model base time = time at iteration zero
394      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
395      account for baseTime shift
396    o move Coriolis arrays from PARAMS.h to GRID.h
397    checkpoint57f_pre
398    
399    o mnc-ifying the seaice package
400    o introduced an alternative length scale calculation for use in the limiting
401      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
402    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
403    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
404      as well as grad(vort3).  Made it compatible with both approximate form
405      for the cubed sphere and full form of these gradients.  Added flag
406      useFullLeith to select between approximate and full form.  
407    o add "d0" in getcon.F to reduce differences between compilers/platforms
408      update output.txt of exp. fizhi-gridalt-hs
409    o change port_rand funtion to allow to set the seed.
410    o fix obscure MNC bug involving conversion between reals and integers
411      - it caused no problems with certain (eg. gcc, ifc) compilers but the
412        new version is now more standards-compliant
413    o adjoint-related modifications
414      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
415      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
416      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
417    
418    checkpoint57e_post
419    o Adding eddy stress controls a la Ferreira et al.
420    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
421    
422    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
423      update output.txt of exp. fizhi-gridalt-hs
424    o add more "Z" dimensions and associated coordinate vars to MNC
425    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
426    o parameter calendarDumps: when set, approximate months (30-31 days) and years
427      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
428      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
429      months and years.  Requires pkg/cal.
430    o diagnostics: add pickup functionality
431      - off by default for backwards compatibility
432      - current version only uses MDSIO -- MNC will be added
433    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
434    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
435    
436    checkpoint57d_post
437    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
438    o modify verification/ideal_2D_oce so that it tests the creation of mnc
439      output from the diagnostics package
440    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
441    o make genmake2 more portable by using ".$FS" instead of ".f" for more
442      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
443    o add coordinate variables to the MNC output from the diagnostics package
444    o change MNC-flags default value: true when useMNC=TRUE
445    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
446      the ability (off by default) to read the grid information using MNC
447    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
448    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
449    o do snap-shot diagnostics at the middle of the time-interval (instead of
450      at the end).
451    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
452      new test for AIM with thSIce + slab-ocean
453    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
454    o move state variable diagnostics to the beginning of the time step ;
455      (note: still needs some work specially for snap-shot diagnostics)
456      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
457    
458    checkpoint57c_post
459    o Change testing option (-ieee) to get closer agreement between g77 & ifort
460    o generate new output.txt files on faulks with g77 & the new -ieee option
461    checkpoint57c_pre
462    
463    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
464      update output.txt of exp. global_ocean.90x40x15
465    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
466      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
467    o add saltFlux(+File) forcing capability with periodicExternalForcing
468    o allow to use pkg diagnostics for GM-Redi & ThSIce output
469    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
470    o improvements for the MNC output from DIAGNOSTICS:
471      - correct handling of the unlimitied dimension
472      - all dims now have associated coordinate variables
473      - variables located at U, V, and Corner ("Z") points are now written
474        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
475        *all* data points are output
476    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
477    o added pkg/seaice/seaice_monitor.F
478    o mdsio_readfield.F can now read files visible only to master MPI process.
479    o pkg/seaice: some test code for ice-modified ocean stress
480    o exf_getffields interpolation defaults to bilinear for all scalar forcing
481      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
482      spurious negative numbers for precipitation and humidity.  Will cause
483      some small numerical differences for integrations using pkg/exf/exf_interp.F.
484    o pkg/ctrl/
485      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
486        May be enabled via doPackDiag
487      *  introduce z-scaling of
488         + gradient (doZscalePack) and
489         + control (doZscaleUnpack)
490    o pkg/mdsio/
491      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
492      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
493    
494    checkpoint57b_post
495    o simplify options in diagnostics_fill arguments (remove weird combinations)
496    o fix MNC coordinate variables so that they now contain per-face index
497      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
498      general, EXCH2 grids are only aligned to a "local" coordinate system
499    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
500    o Implement instantaneous output within pkg diagnostics:
501      setting a negative frequency in data.diagnostics produces
502     "snap-shot" output (as opposed to time-average if freq > 0)
503    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
504      NOTE: change ptracer diagnostics name: use 2 characters to work with
505            more than 9 tracers. Add also diagnostics of advect & diffus flux.
506    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
507      becomes the coordinate variable for the 'T' dimension
508    o add CF-style coordinate variables to MNC
509      - just a first cut:  numbers are meaningless on the cubesphere and
510        missing along the T axis but otherwise it works!
511    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
512    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
513    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
514      this is based directly on what the model compute, so that the content of
515      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
516    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
517    o clean up build options files for SunOS, in particular
518      - remove -traditional from xmakedepend
519      - change -xarch=v9 to -xarch=native for f77
520      - restore use of make (not gmake)
521      - add CC=gcc if using g77
522    o changes per discussion of AM, JMC, & EH3 today:
523      - move redundant "grid" variables out of "state" -- in preparation of
524        creating proper CF-style coordinate variables and in recognition
525        that any/all grid variables can be easily copied (eg. w/NCO) from
526        the grid files into any of the other NetCDF files
527      - *always* output grid variables with MDSIO (this will eventually be
528        changed)
529      - output MNC grid file if useMNC is true
530    o every instance of _END_MASTER() has been found and replaced with
531      _END_MASTER( myThid ) in order to satisfy certain picky Sun
532      preprocessors
533    o re-arrange diagnostics pkg initialisation:
534     - allow each package to extend the available diagnostics list
535     - add some checking and fix small problems (multi-threaded, ...)
536     - new S/R diagnostics_fill (replace fill_diagnostics):
537       look through the short list of active diag. (instead of the long list)
538       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
539    
540    checkpoint57a_post
541    o this set of changes restores TAMC compatibility
542      tested for global_ocean.90x40x15 adjoint on trough
543      (what a pain)
544    
545    checkpoint57a_pre
546    o some modifs in tools/build_options for sunos
547    o call ctrl_pack for ctrl at end for optimcycle=0
548    
549    checkpoint57
550    o add horizontal bi-harmonic viscosity for vertical velocity
551      - new parameter viscA4W (defaults to viscA4)
552      - affects only non-hydrostatic code
553      - to be done: no-slip lateral boundary conditions
554    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
555    o implement Implicit Vertical advection for pTracers
556    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
557      (implemented also for implicit vertical diffusion & advection)
558    o OBCS: extend application of tracer open boundary conditions
559      to a strip beyond the boundary of width Olx/Oly
560    o add call monitor to TAF set of required calls (flow directives)
561      and include in natl_box_adjoint
562    o untangle a few ifdefs related to cost, ctrl, autodiff
563      untangel a few ALLOW_ECCO_OPTIMIZATION
564    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
565      (theta2, salt2 in ecco_cost_weights)
566    
567    checkpoint56c_post
568    o OBCS as control variables
569      - update ctrl_ad_diff.list, obcs_ad_diff.list
570      - remove balance of obcs controls from default
571      - fix index bug nobcs in ctrl_init
572      - fix dummy fields filen in ctrl_pack
573      - add dummy weights for obcs
574    o lsopt: comment out fort.94 output
575    o optim:
576      - remove unnecessary header files
577      - adjusted namelists
578      - add xerbla.F to Makefile
579    o exf:
580      - multiple modifications of exf_check_range
581      - unit change in exf_init_runoff from [m/year] to [m/s]
582    o mdsio:
583      - i/o-vector change debugLevel from debLevA to debLevB
584    
585    checkpoint56b_post
586    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
587      is called from DO_THE_MODEL_IO
588      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
589      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
590      - clean up PTRACERS_WRITE_TIMEAVE a little
591    o add another verification experiment that tests both the cfc-pkg and
592      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
593      reactive tendencies treated inline with regular timestepping
594    o testreport previously did a lousy job of comparing small numbers, so
595      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
596      implemented in the little c-progam tmp_cmpnum.c which is embedded in
597      testreport.
598    o ptracers_monitor: bug fix for MPI
599    
600    checkpoint56a_post
601    o GCHEM: finish reorganizating the package
602      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
603        (introduces another 3D-array for each passive tracer, but only if
604        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
605        gchemTendency is not needed because the timestep is done separately)
606      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
607      - GCHEM is now---more or less cleanly---separate from PTRACERS
608      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
609        so clear to me how that should be done in a general way.
610    o CFC: improve formatting of output in CFC_ATMOS
611    o PTRACERS:
612      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
613        that ALL experiments with ptracers enable can be checked. This makes
614        GCHEM_MONITOR obsolete.
615      - include a runtime parameter PTRACERS_monitorFreq that defaults to
616        monitorFreq
617      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
618    o add PTRACERS (PTR0[1-5]) to testreport output
619    o exf_check_range:
620      * default changed to .TRUE.
621      * will check values for niter0 if debLevA, every timestep if debLevB
622      * STOP in exf_check_range if 'out of range'
623      * range chosen generous to allow for potential extema
624      TBD: a version with stricter range
625           permitted range would be runtime parameters
626    o GMredi:
627      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
628      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
629      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
630    o GCHEM:
631      - move call to GCHEM_FORCING_SEP, so that it is now called before
632        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
633      - introduced a useGCHEM runtime flag and applied it everywhere.
634      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
635        this flag is now only visible within GCHEM-pkg routines.
636      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
637        be replaced by a 3D array that is computed before thermodynamics; for
638        this, the tracer ID iTracer had to be included into the parameter list
639        of ptracers_forcing
640      - set up forward_step to call gchem_forcing, that will replace
641        gchem_forcing_int in ptracers_forcing
642      - cleaning up
643    o small cleaning of exch2: remove files that are also in eesupp/src
644    
645    checkpoint56
646    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
647    o mnc: cleanup "full" files--fixes out-of-memory problem
648    o ECCO-GODAE
649      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
650      * fully merged and updated from SIO code
651        windstress sign change affects
652        - exf_inscal_[u/v]stress
653        - sign of xx_tau[u/v] adjustments
654        - signs in cost_scat
655      * ctrl_get_gen: avoid update of tau[u/v] for first few days
656      * natl_box_adjoint updated and compressed
657      * 2-level checkpoint switch added
658        (tested in EXP. 1 of natl_box_adjoint)
659      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
660    o SVD
661      * first complete, non-hacked version for SVD calculations
662      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
663        performed via direct access files admtlm_vector.it????
664        (via ctrl_[un]pack)
665      * optimcycle is used for ARPACK iteration counter
666        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
667      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
668        and add linear transforms where necessary
669      * controls are initial/final SST, SSS (can be extended; need to check
670        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
671    o mdsio: filename info to both stderr, stdout
672    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
673      from sign change
674    
675    checkpoint55j_post
676    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
677      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
678    o add consistent build directories and .cvsignore files to verification
679    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
680    o make all subroutines 30 or less characters in length for certain older
681      compilers to work (a thorough search only turns up two routines in
682      pkg/ptracers)
683    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
684      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
685    
686    checkpoint55i_post
687    o change arrays for total vertical diffusivity (2.D if explicit,
688      3.D if implicit) ; each ptracer uses its own background value.
689    o added mnc/NetCDF output capability to ocn_compon_interf
690      - added bits to verification/cpl_aim+ocn so that it can run on
691        ITRDA and other clusters without the mpirun "-wd" option
692    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
693      configuration
694    o give MNC the ability to create additional files rather than
695      exceeding a specified file size limit "MNC_MAX_FILESIZE"
696      - the default is just less than 2GB which is a practical limit
697        on many systems
698    o Compute the non-local term using either KPP vertical diffusivity (=default)
699       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
700    
701    checkpoint55h_post
702    o add verification test "vermix"
703    o remove all the *_ioinc flags and replace with the single global
704      outputTypesInclusive flag
705    o allow to set a vertical profile of vertical diffusivity for T & S
706    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
707    o useMNC moved from data.mnc to data.pkg
708    
709    checkpoint55g_post
710    o Renaming carbon AD experiments to comply with testreport conventions
711    o Updating adjoint of Held-Suarez hs94.1x64x5
712    o Fixing directives for non-ECCO forward_step, after ECCO directives
713      have been fixed to avoid recomp. of do_oceanic_phys
714      Works well for global_ocean.90x40x15,
715      but recomp. issue remains for carbon
716    o Updating adjoint output for natl_box_adjoint after
717      pkg/ecco has been modified (see taga c55d_post)
718    
719    checkpoint55f_post
720    o rename to timeave_init_fixed
721    
722    checkpoint55e_post
723    o some delicate re-shuffle of store directives to avoid one
724      extra call of do_oceanic_physics
725      affects ecco_the_main_loop.F, do_oceanic_physics.F
726      checkpoint_lev1_directives.h
727    o NB: this may break global_ocean adjoint temporarily,
728      but it is clear how to fix it. Will do later, need this now.
729    
730    checkpoint55d_post
731    o ECCO specific cost function terms (up-to-date with 1x1 runs)
732    o ecco_cost_weights is modified to 1x1 runs
733    o modifs to allow observations to be read in as
734      single file or yearly files
735    o enable to read exf forcing fields as either
736      single file or yearly files (flag useExfYearlyFields)
737    checkpoint55d_pre
738    
739    o switch between 2-level and 3-level checkpointing
740    o add ability of MNC to write local and "partial" (eg. 2D slices where
741      the full 3D field is never actually stored) arrays to NetCDF files
742      with the correct (that is, the complete multi-dimensional) set of
743      array indicies
744      - used in mom_vecinv() to write the diagFreq output
745      - tested (demonstrated) in verification/aim.5l_cs
746    o further mnc-ification
747      - add verification/lab_sea to the list with mnc setups
748      - fix undefined mnc v-names in cd_code
749      - add kpp to mnc output (both snapshot and timeave)
750    o non-hydrostatic code
751      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
752        in calc_gw.F
753      - defaults to viscAh
754      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
755        friction or Leith) in non-hydrostatic mode, as long as there is
756        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
757    o pkg/cost
758      extend simple cost functions to treat time mean quantities
759      (T,U,V) via cost_accumulate_state from cost_tile
760    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
761        be 2 times larger than the minimum size the advection scheme requires.
762        now get a perfect conservation of salt in advect_cs test-exp (updated)
763    o GGL90 (Gaspar's TKE mixed layer)
764      - add horizontal diffusion of TKE, requires exchanges in
765        do_fields_blocking_exchanges, horizontal diffusivity is zero by
766        default. In OPA there is no horizontal diffusion of TKE but the
767        mixing coefficients are computed from a horizontal average of TKE of
768        6 points or so. I think that diffusion has a little more physical
769        justification.
770      - clean up ggl90_calc in the hope of reducing memory usage (this hope
771        was in vain)
772      - mask tke-variable in ggl90_init
773    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
774    o fix biharmonic diffusion on CS-grid.
775    o more obcs stuff
776      - added obcs_external_fields_load as an alternative to the EXF-pkg option
777        for reading boundary values. This routine is called from
778        obcs_prescribe_read
779      - updated obcs_check
780      - changed sponge layer relaxation parameter units for days to seconds
781      - turned off sponge layer by default
782      - changed argument list of OBCS_CALC to myTime+deltaTclock
783      - fixed about 35 bugs in obcs_external_fields_load
784    
785    checkpoint55c_post
786    o obcs stuff
787      - new runtime flags useOBCSprescribe, useOBCSbalance
788      - re-arranged obcs_calc
789      - moved exf_getobcs to obcs_prescibe_read
790        obcs_prescibe_read is called after ORLANSKI stuff
791        and independent of it (executable can contain all).
792      - updated obcs_check
793      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
794        These may be necessary only if tangential velocities are
795        prescribed at OB, not sure, needs testing.
796    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
797      which simplifies the calls and passes the ifc check-bounds test
798    
799    checkpoint55b_post
800    o add a 2D scalar, Z location, exchange_2 routine.
801    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
802      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
803      affects advect_cs results (for the wrong reason): update output.txt
804    o use a more standard discretization for biharmonic viscosity ;
805     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
806      affects results of dome set-up: update output.txt
807    o fix gad_advection.F (CubedSphere part), back to version 1.23
808    o fix bug in mom_vi_del2uv.F (CubedSphere part).
809    
810    checkpoint55a_post
811    o merged code to
812      * prescribe/read time-dependent open boundaries
813        (works in conjunction with exf, cal)
814      * sponge layer code for open boundaries
815      * each boundary N/S/E/W now has its own CPP option
816        (healthy for the adjoint)
817    
818    checkpoint55
819    o up-to-date adjoint of previous breaks
820      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
821      - global_ocean_ebm: adjoint still needs fix (TLM ok)
822      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
823      - carbon: * remove tr1-related adjoint verification
824                * add ptracer as control variable
825    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
826      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
827    
828    checkpoint54f_post
829    o in verification/carbin/ remove experiment related to
830      ALLOW_PASSIVE_TRACER (array tr1 etc)
831      code_ad/ input_ad/ results_ad
832    
833    o add two new packages
834      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
835        + subject to optimization (memory)
836      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
837        + subject to reordering (many GOTOs in the original code)
838        + so far opps is called for every (i,j) point, and then operates in
839          the vertical; one may want to reorder the scheme in order operate in
840          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
841          fields)
842    o overhaul of IO so that we now have flags for MDSIO and/or MNC
843      - all verification tests compile and run with linux_ia32_g77
844      - defaults are compatible with current input files--nothing
845        should change if you were not previously using MNC
846      - MNC output has been added in numerous places (eg. timeave)
847        but there are still a few writes not yet do-able with MNC
848        (this is in progress)
849      - flags now allow for either/or/both use of MDSIO and MNC and
850        documentation will soon follow
851      - numerous small formatting cleanups for ProTeX
852    o add version info (via BUILD_INFO.h) to MNC and stdout
853    
854    checkpoint54e_post
855    o add two new packages
856      - pp81 (Packanowski and Philander, 1981), Richardson number and
857        stratification dependent mixing
858      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
859      - these scheme operate in a similar manner as KPP (without ghat, of
860        course), however there is only one diffusivity that is used for both
861        temperature and salinity (and passive tracers)ç
862    o add offline package
863    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
864      provided by Stephanie Dutkiewicz
865    o genmake2: add ability to search for C compilers and cleanup test output
866      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
867    
868    checkpoint54d_post
869    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
870    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
871      leading to additional shift by 5 days each year of integration
872       (i.e. leading to considerable offset over the years)
873    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
874    o start with no AB and no initial filtering (staggerTimeStep):
875      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
876    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
877      (external loading & cpl import/export stay in forward_step.F)
878    o update coupling interface to work with new staggerTimeStep
879    o change MDSIO ptracers_pickup.
880    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
881    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
882    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
883    
884    checkpoint54c_post
885    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
886      this affects (truncation error) output.txt of test-exp:
887       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
888    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
889    o change Qnet to always be the net heat flux, (+upward).
890      affects (truncation error) output of natl_box exp.: updated
891    o define the max number of passive tracers in PTRACERS_SIZE.h
892    o start to test mnc routinely in exp0
893    o add sea-ice loading (sIceLoad) as a new forcing field.
894    
895    checkpoint54b_post
896    o add testreport "-j JOBS" option for parallel builds (tested and pretty
897       impressive on Altix and Opteron systems)
898    o diagnostics can now write NetCDF files through the mnc package
899    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
900    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
901    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
902      affects (truncation error) output of lab_sea & natl_box exp.: updated
903    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
904    
905    checkpoint54a_post
906    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
907    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
908    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
909    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
910      + internal_wave (shift in writing cg2d_ini_res)
911    checkpoint54a_pre
912    
913    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
914      - modified verification/lab_sea and natl_box_adjoint accordingly
915    
916    checkpoint54
917    checkpoint53g_post
918    o prepare splitting of thermodynamics: store convect.counter in common block
919    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
920      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
921    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
922    o new parameter "nShapS": allow to treat differently S from T (nShapT)
923    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
924    o restore adjointability
925    
926    checkpoint53f_post
927    o modifications that affect AIM experiment results (update output.txt):
928      - no advection of S at top interface Nr (pkg/generic_advdiff)
929      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
930    o AIM pkg:
931      - include stability function into surf.Flux derivative relative to Tsurf
932      - calculate clear-sky radiation & surface temp. change (for diagnostics)
933    
934    checkpoint53e_post
935    o merged cylindrical coord configuration
936    o added rotating_tank experiment
937    checkpoint53e_pre
938    
939    checkpoint53d_post
940    o faulks upgraded: re-generate output.txt that have changed:
941       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
942    o Added Bryan and Lewis, 1979, vertical diffusivity profile
943    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
944    o added Sadourny discretization of Coriolis
945      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
946      - re-enabled use of omega3 (useAbsVorticity)
947    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
948      vector-invariant equations
949      - note: does *NOT* yet use same variable visc. for no-slip BC's.
950    o recoded the lateral boundary conditions for non-hydrostatic w, this time
951      hopefully without new bugs
952      - still to do: biharmonic friction for non-hydrostatic w
953    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
954    o regenerated output for global_ocean_ebm (using -ieee)
955    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
956      of mom_common/
957      - simple re-arrangement of instructions within computing loop
958    checkpoint53d_pre
959    
960    checkpoint53c_post
961    o new version of coupler for AIM+thSIce and Ocean models
962     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
963     - land: change Evaporation of snow
964     - aim with thSIce: fix bug in snow-precip.
965    o changes to calc_gw.F
966     - bug fix for w^2 term near the bottom boundary
967     - (hopefully) improve the lateral slip boundary condtions for use with
968        partial/looped cells
969      - because the bug fix changes two verification experiments anyway (exp5
970        and plume on slope), change the lateral boundary condition from half slip
971        to the value of no_slip_sides
972    o ebm package wasnt quite up to the parallel task. Fixed that.
973    o Adjoint of EBM package + verification
974      * TLM OK
975      * ADM not sufficient accuracy yet (needs further testing)
976    
977    checkpoint53b_post
978    o Commiting new energy balance model to repository
979      * package is pkg/ebm
980      * verif. is verification/global_ocean_ebm
981      * references are in ebm_driver.F
982    C      * X. Wang, P. Stone and J. Marotzke, 1999:
983    C        Global thermohaline circulation. Part I:
984    C        Sensitivity to atmospheric moisture transport.
985    C        J. Climate 12(1), 71-82
986    C      * X. Wang, P. Stone and J. Marotzke, 1999:
987    C        Global thermohaline circulation. Part II:
988    C        Sensitivity with interactive transport.
989    C        J. Climate 12(1), 83-91
990    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
991    C        Destabilization of the thermohaline circulation
992    C        by atmospheric eddy transports.
993    C        J. Climate 7(12), 1870-1882
994    o Will need long integration testing.
995    checkpoint53b_pre
996    
997    o created pkg/mom_common in preparation for variable viscosity code
998    o renamed and split ini_mnc_io
999    o pkg/land: only liquid water can diffuse or run-off
1000    o AIM using land: soil wetness availability account for snow
1001    o added printMapIncludesZeros to EEPARMS namelist
1002    
1003    checkpoint53a_post
1004    o restore TAMC compatiility for exf_constants.h
1005      (no usage of _d in .h)
1006    o Additional storing in KPP in an attempt to fix
1007      TAMC problem with adjoint of KPP code.
1008      (no success...)
1009      Identical code works fine with TAF.
1010    o Fixed verification/natl_box_adjoint experiments.
1011      Initial conditions for Experiments 4 and 5 are now
1012      set to "SEAICE_initialHEFF=0", which is more reasonable,
1013      and hence gives results closer to that of Experiment 2.
1014      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1015    
1016    checkpoint53
1017    o stable checkpoint with up to date adjoint
1018      TLM tests only run for 1st grdchk at the moment. Its unclear if
1019      this is a code problem or a problem with resetting code for g_
1020      variables that is being autogenerated wrong.
1021      Otherwise:
1022       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1023       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1024         are both still in chaos following their security messes.
1025    
1026    checkpoint52n_post
1027    o various build (mostly genmake2) changes including:
1028      - ability to build/run more easily within Cygwin and MacOS X
1029      - more complicated Makefiles with a stronger dependence on Gnu Make
1030    o pkg/seaice modifications
1031      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1032        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1033        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1034      - changed proxy for geostrophic velocity and updated
1035        verification/lab_sea/results/* accordingly
1036      - removed ADI dynamic solver from pkg/seaice
1037      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1038        they caused a segmentation fault under certain circumstances
1039      - removed unused field WATR
1040    o bug fix in exf-package:
1041      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1042         now reflect that.
1043    o small fixes in the cal-package:
1044      - set reference date to first of January for the 'model'-calendar
1045      - failing of cal_CheckDate in cal_FullDate now actually results in a
1046        warning
1047    o small modifications in exf-package to increase flexibility:
1048      - change climtempfreeze from a constant to a runtime parameter that
1049        is specified in data.exf_clim (default = -1.9)
1050      - introduce runtime parameter windstressmax (default = 2.0) that is
1051        specified in data.exf
1052    o fix in pkg/thsice:
1053      - update Evap (Tsf changes) to be consistent with Latent heat flux
1054      - maintain snow precipitation unchanged (even if Tsf >=0).
1055     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1056    
1057    checkpoint52m_post
1058    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1059      this does not change any of the results, because myIter=0 in swfrac always
1060      lead to jwtype=2 (the default anyway), but the call makes little sense
1061      as a default
1062    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1063    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1064      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1065    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1066    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1067    o extending useSingleCpuIO option to work with new exch2 I/O format
1068      - old-style, missing-tile I/O is still accessible by defining CPP
1069        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1070    o monitor package can write to NetCDF files and/or STDOUT
1071    o fix re-definition bug in MNC_GRID_INIT_ALL()
1072    o doc/api_reference added
1073      - a framework for building an API Reference Manual using all
1074        the "protex" comments embedded in the code
1075      - see pkg/generic_advdiff, pkg/mnc for examples
1076    o MNC:
1077      - make myThid the last argument for all subroutines
1078      - new default for the grid files: NO halos
1079      - add useMNC and other run-time flags
1080      - separate per-file-group handling of the unlimited dimension
1081      - early initialization of MNC w/ flags read at the eeboot stage
1082        and lookup tables set in initialize_fixed
1083      - write all MNC output to a freshly-created directory
1084    o thermodynamics sea-ice (thsice) is now tested with testreport.
1085    o test exp. advect_cs: use the standard cs32 grid ; update output.
1086    o Added functionality to grdchk:
1087      pick global i,j,k position (or nearest wet) where to perform check.
1088    
1089    checkpoint52l_post
1090    o new land formulation:
1091      a) use ground enthalpy as prognostic variable to ensure exact
1092         energy conservation.
1093      b) account for water temperature and for latent heat of freezing
1094         in all processes (rain, run-off, ground storage)
1095      c) compute surface and ground temperature implicitly.
1096    o aim_v23 modification for new land model:
1097      a) Treat separately land / ocean / sea-ice surface fluxes
1098         to allow implicit computation of land & sea-ice surface temp.
1099      b) add snow precipitation.
1100    checkpoint52l_pre
1101    
1102    o fix problem (when 1 tile is empty) in min/max monitor.
1103    o fix bug in timeAve (u,vZetatave in common block)
1104    o no restoring terms under ice for pkg/seaice
1105    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1106    o bug fix for pkg/seaice pickups
1107    o change MNC call locations and add coordinate attributes
1108    o mask vorticity at the corner ; affects global_ocean.cs output
1109    o fix ini_curvilinear_grid ; test CS experiments with mpi
1110    o aim.5l_cs: modify sea-ice fraction input file ; update output
1111    o exf: Adding simple range check routine for exf fields after read
1112    
1113    checkpoint52k_post
1114    o removed top-level directory "diags"
1115      - we migrated these functions to pkg/timeave a long time ago
1116    o fixed bug introduced in pkg/monitor
1117    o accuracy ctrlprec = 32 insuffient for gradient checks using
1118      averaged fields (I/O via cost_averages)
1119      -> use ctrl.h in active_file*.F to control I/O precision.
1120    o paramter list of CALL ADTHE_MAIN_LOOP
1121    o added initial do_the_model_io to ecco
1122    o set all ...Freq to zero after cost_final
1123      taveFreq, dumpFreq, pChkptFreq
1124    o MAIN and ECCO differentiability restored
1125    
1126    checkpoint52j_post
1127    o fix nchklev in tamc.h for global_ocean...
1128    o Bringing flow and store directives up-to-date
1129    o Really weird thing!
1130      call do_the_model_io from the_main_loop with parameters
1131      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1132      TAF places a faulty re-call of initialise_varia
1133      after cost_final call which should not be there!
1134    checkpoint52j_pre
1135    
1136    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1137      error messages
1138    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1139    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1140      debug output
1141    o modfied mdsio_writefield.F to handle non-global files under exch2
1142    o update AIM Cubed-Sphere exp (aim.5l_cs):
1143      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1144    o update AIM Equatorial Channel exp:
1145      use standard aim_v23 pkg and change the SST fields to be more realistic.
1146    o globalFile now works with exch2
1147    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1148      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1149    o limit timeave output for hi-res integrations
1150    
1151    checkpoint52i_post
1152    o removed CPP_EEOPTIONS.h from verification/*/code
1153    o updated the tiling for global_ocean_pressure
1154    checkpoint52i_pre
1155    
1156    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1157      the old pkg/aim).
1158    
1159    checkpoint52h_pre
1160    o shortened offending lines in exch2_send_rx?.template
1161    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1162    o genmake2: add build & execute test for NetCDF code
1163    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1164      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1165    o added useSingleCPUIO flag to monitor.F and mon_out.F
1166    o added temporary hack for sea-ice dynamics on the cube:
1167      metric terms are ignored and it is assumed that
1168      there is no sea-ice on cube faces 1, 2, 4, and 5.
1169    
1170    checkpoint52f_post
1171    o added exch2 cube routines to pkg/exch2
1172    o modified hs94.cs-32x32x5 to use it
1173    o added new grid files to hs94.cs-32x32x5
1174    checkpoint52f_pre
1175    
1176    checkpoint52e_post
1177    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1178      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1179    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1180      to work with implicit vertical advection and AB ;
1181    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1182    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1183     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1184    checkpoint52e_pre
1185    
1186    o fix bug in impldiff when Nr=1 or Nr=2.
1187    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1188    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1189    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1190      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1191    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1192    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1193    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1194    
1195    checkpoint52d_post
1196    o re-tiled many expts to allow comparison in multi-processor mode
1197      - updated output accordingly
1198      - changed hs94.128x64x5 to use intial T from file rather than use the
1199        random number generator
1200    o add infrastructure in model routines for fizhi and gridalt packages
1201    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1202    o changes to permit hi-res, cubed-sphere, configuration
1203      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1204      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1205      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1206        of surface winds for the cube
1207      (A verification experiment, based on global_ocean.cs32x15, but with
1208       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1209       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1210       complete with example surface forcing files and matlab scripts to look
1211       at the output and compare it with that of global_ocean.cs32x15.)
1212    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1213       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1214       to conform to the common rule.
1215    o check-in the first version of the coupler + interfaces for multi-components
1216       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1217       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1218       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1219       - ocean and atmos. share the same horizontal grid (no interpolation).
1220       - exchanges between component and coupler is done in forward_step
1221    o new verification experiment, cpl_aim+ocn:
1222       coupled ocean - AIM atmosphere on cs32 grid.
1223    
1224    checkpoint52d_pre
1225    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1226    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1227    
1228    checkpoint52c_post
1229    o Fixing OPTIONS files for use of exf:
1230      - ALLOW_ECCO not needed
1231      - ECCO_CPPOPTIONS.h should not be included from
1232        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1233        as has been the case in the past
1234      - All cal/exf related options are currently set in
1235        single header file. Should remain so until we
1236        agree on a consistent new policy.
1237    o Removed all CPP options for cal package.
1238      cal has no more CPP options.
1239    o modified STOREs in GAD_ADVECTION
1240    o corrected key comp. for passkey
1241    
1242    checkpoint52b_post
1243    o new version: "thsice" of thermodynamic sea-ice pkg:
1244     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1245     - modify fluxes but do not change theta directly;
1246     - light cleaning of bulk_force pkg (still needed with thsice).
1247     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1248       + output_thsice.txt to test thsice & bulk_force pkgs.
1249    o put back grid & coriolis monitor output.
1250    checkpoint52b_pre
1251    
1252    o call "do_the_model_io" at the beginning (=> dump initial state)
1253    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1254    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1255      (need info on NUMBER_OF_PTRACERS)
1256    o missing PTRACERS headers in some routines
1257    o default tamc.h in pkg/autodiff supposed to crash
1258      to ensure proper customization
1259    
1260    checkpoint52a_post
1261  o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp  o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1262    - moved surfaceTendencyTice from pkg/seaice to main code    - moved surfaceTendencyTice from pkg/seaice to main code
1263    - subroutine FREEZE_SURFACE now limits only surface temperature    - subroutine FREEZE_SURFACE now limits only surface temperature
# Line 10  o modifications to make FREEZE (_SURFACE Line 1265  o modifications to make FREEZE (_SURFACE
1265      => new output.txt for global_ocean.cs32x15 & global_with_exf      => new output.txt for global_ocean.cs32x15 & global_with_exf
1266    - keep the old version of FREEZE for backward compatibility;    - keep the old version of FREEZE for backward compatibility;
1267      global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.      global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1268      - corresponding modifs for TAF directives
1269  o added surface flux output variables to TIMEAVE_STATVARS  o added surface flux output variables to TIMEAVE_STATVARS
1270  o time-averaged output for pkg/ptracers  o time-averaged output for pkg/ptracers
1271    o fix problem with ECCO-related divided adjoint
1272      snapshot file was missing some ad-variables,
1273      but no warning issued by TAF
1274    
1275  checkpoint52a_pre  checkpoint52a_pre
1276  o some bug fixes for #undef REAL4_IS_SLOW  o some bug fixes for #undef REAL4_IS_SLOW

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