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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 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:  o GMredi:
676    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - 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.    - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
# Line 11  o GCHEM: Line 680  o GCHEM:
680    - move call to GCHEM_FORCING_SEP, so that it is now called before    - 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      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
682    - introduced a useGCHEM runtime flag and applied it everywhere.    - 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  o small cleaning of exch2: remove files that are also in eesupp/src
693    
694  checkpoint56  checkpoint56

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