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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.619 by mlosch, Fri Mar 3 07:52:57 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      - correct units of turning angles (now they are really in degrees)
9      - move computation of GWATX/Y out of main routine into dynsolver
10      - initialize GWATX/Y in seaice_init
11    o Apply mask on Fresh-Water flux (needed for SSH forcing).
12      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
13    o seaice: add runtime flags for turning angles (default to zero)
14    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
15      and trend from exf forcing and ctrl control adjustments
16    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
17      (since checkpoint57x_post)
18    o change the default rotation period to 86164.s = the Earth rotation
19    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
20      and based on a reference stratification. Tested within hs94.cs-32x32x5.
21    o seaice advection: add code for choosing between the default (2nd order
22      central differences) and multiDim advection schemes provided by
23      pkg/generic_advdiff
24    o seaice:
25      - removed all references to SEAICE_GRID.h fields from
26        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
27        (cubed-sphere configuration will change a little)
28      - grid computations in seaice_init are obsolete now.
29      - cleaned up code a little so that is easier to read (hopefully).
30      - added new (better?) discretizations of default advection and diffusion
31        (turn on with SEAICEuseFluxForm)
32      - replace 1 in 3d global fields by kSurface in growth.F
33      
34    checkpoint58a_post
35    o seaice:
36      - bug fix in advect.F
37    o shelfice:
38      - separate shelfice load anomaly from pload (breaks with time
39        dependent forcing), => introduce constant field shelficeLoadAnomaly.
40        Its default is 0., but it may be computed more cleverly from (unknown)
41        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
42        done offline. A good approximation of the pressure load anomaly is
43        necessary to avoid large initial adjustment processes underneath
44        deep-reaching shelfice.
45      - small fix in ISOMIP shelfice_thermodynamics
46      - add more sophisticated thermodynamics of Hellmer (1989), this is
47        now the default
48      - give a few constants more intuitive names
49    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
50      if bulk formulae are used in long integration (especially EmPmR). Turn
51      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
52      if balancePrintMean, the imbalance that is substracted is printed to
53      STDOUT.
54    o fix bug (typo) in obcs_apply_eta.F
55    o add a new package shelfice which enables us to model the circulation
56      underneath shelf-ice with draughts of hundreds of meters.
57     - works
58     - to do: + include improved thermodynamics
59              + check whether kSurfC (from model/inc/SURFACE.h) can be used
60                instead of new field kTopC
61              + can we use topoFile, Ro_surf and existing code in ini_depth.F
62                instead of new field R_shelfIce and new code in ini_depth.F
63                and ini_mask_etc.F?
64              + adjust vertical mixing schemes?
65    o seaice pkg:
66     - add a cpp-flag to include a simple formula for a salinity dependent
67       freezing point of sea water at the surface
68     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
69       meridional stresses are now different (and hopefully correct)
70    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
71       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
72       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
73    o pkg/diagnostics: add options and parameters for regional-statistics
74       diagnostics ; define regions by reading a region-mask from a file
75       (might add other options later)
76    o pkg/bulk_force:
77     - add option and parameters to use AIM surface-flux formulae.
78     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
79       others forcing fields (defined in PARM05, parameter file "data") are loaded
80       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
81     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
82     - use the right EXCH call for uwind,vwind (to work on CS-grid).
83     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
84       and parameters (note: calcWindStress replaces .NOT.readwindstress).
85     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
86    
87    checkpoint58
88    o add "--embed-source" option to genmake2 which, when the supporting
89      tools can be compiled (as determined by genmake2) will turn on the
90      embed_files package which then embeds the entire MITgcm source code
91      (*.[fFhc] + Makefile) used for the build within the executable
92      - requested by CNH but off by default
93      - adds a paltry <9MB to the mitgcmuv executable in most cases
94      - only writes the output when useEMBEDSRC in eedata is true
95    o clean up 3-dim. relaxation codes:
96      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
97      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
98      * Thanks to Tom Haine for testing!
99    
100    checkpoint57z_post
101    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
102      affects output (@ truncation level) of exp. plume_on_slope ; updated.
103    o fix the pickup behavior for obcs in combination with ptracers
104    o fix a bug in ptracers_external_fields_load
105    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
106      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
107    o transfered surface NH pressure to eta field (if exactConserv).
108    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
109         and update lab_sea output.txt file.
110    o completing 3-dim. relaxation code: additional term
111         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
112      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
113      * At compile time, in "EXF_OPTIONS.h" set
114          #define  ALLOW_CLIMTEMP_RELAXATION
115          #define  ALLOW_CLIMSALT_RELAXATION
116      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
117          tauThetaClimRelax3Dim = 15552000.0,
118          tauSaltClimRelax3Dim  = 15552000.0,
119      * 3 cases:
120          1) Use a constant-in-time 3-dim. field
121          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
122          3) Real-time relax. to time-evolving prescribed field
123    o Adding Laplacian-type smoothness constraint on
124      initial and boundary (forcing) controls (ic, bc)
125      * enable at compile-time via
126        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
127      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
128      * Absolute scale somewhat unclear so far
129      * no area weighting was included since no other cost term does so far
130    
131    checkpoint57y_post
132    First step for a NLFS adjoint
133    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
134    o new init. routines for calc_r_star, calc_surf_dr
135    o still need to deal with ini_masks_etc
136    o testreport seemed happy
137    checkpoint57y_pre
138    
139    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
140    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
141    o add new offset feature to offline pkg (plus minor cleanup)
142    o cfc fixes for final year of integration
143    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
144      be in GCHEM_OPTIONS).
145    
146    checkpoint57x_post
147    o fix testreport Pb in multiple test experiment.
148    o cleanup our namelist syntax in verification:
149      - make it more F95 standards compliant (some work still needed)
150      - allows the vast majority of our tests to work with gfortran
151    o Non-Hydrostatic:
152     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
153     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
154    o Allow to apply AB on T,S rather than on AB(gT,gS):
155     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
156     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
157       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
158     - need a "clever" read_pickup to restart from the other AB formulation
159    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
160    o remove some unused variables (reduces number of compiler warnings)
161    o adjoint
162      * Disable useVariableViscosity for adjoint for time being
163        (there are a number of extensive recomputations)
164      * Initialize certain variables needed for adjoint
165    
166    checkpoint57w_post
167    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
168                 fix the singleCpuIO RS version of MDSWRITEFIELD
169       and add a WARNING if using globalFiles=T with multi-processors.
170    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
171      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
172    o tracer advection scheme:
173      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
174       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
175       was not very convenient).
176      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
177       (further tests needed for the implicit DST & Flux-Limiter schemes).
178    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
179      and sRef for convenience, handy, when you want to initialize
180      ptracers in a large domain with a constant non-zero value. Also,
181      untangle ptracers_init.F a little.
182    
183    checkpoint57v_post
184    o change dome exp. to use variable viscosity in side-drag terms.
185    o remove all the files from the cfc_offline test since they are now
186      incorporated into tutorial_cfc_offline which has been producing
187      identical results for a few days of testing
188    o add new parameter: sideDragFactor to enable half-slip-side BC
189      and change side-drag S/R to use viscosity from mom_calc_visc
190      (can switch back by setting sideDragFactor=0.); affects results at
191      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
192       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
193    o vorticity & strain are now computed without masking, to account for
194      no-slip-side BC in variable viscosity calculation ; mask is applied
195      anyway later on, before computing advection/coriolis terms.
196    o modify exp4 to test new obcs support for reading from external files
197      and for passive tracers
198    o fix behavior of ptracers_monitor when monitor output is written to a
199      netcdf-file; still not independent of monitor.F (writes in the same
200      file).
201    o change default value of tRef (put a uniform, meaningful value for ocean
202      & atmos) and initialize sRef (was missing, as Martin mentioned).
203    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
204      to be proportional to enstrophy dissipation length.  Thus,
205       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
206      This is now consistent with Smagorinsky and with the manual.
207    
208    checkpoint57u_post
209    o OBCS and PTRACERS: add open boundary support for passive tracers
210      - either use homogenous (pseudo) v.Neumann conditions or prescribe
211        OB-values from file; this is not different from the way theta and salinity
212        are treated
213      - however, Orlanski-radiation conditions are not supported, and the model
214        will stop if you use pTracers and Orlanski at the same time.
215      - beefed up the rountine obcs_external_fields_load: now only those open
216        boundary values are overwritten with values from files for which there
217        are really files, otherwise the OB-fields remain untouched. This makes
218        it possible to use different OBs at different ends of the domain (as
219        with EXF)
220    o reduce number of exch calls in shap_filt (s2).
221    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
222      truncation level) 4/5 MLAdjust test results (11&12 digits match).
223    
224    checkpoint57t_post
225    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
226    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
227      same truncation, independent of the face number: affects affects several
228      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
229    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
230      note that biharmonic viscosity + no-slip was not tested in any experiment.
231    o fix bug in non-linear free-surf side-drag ; generate new output for
232      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
233    o make mnc honor the writeBinaryPrec flag for most kinds of output
234    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
235    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
236      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
237    o add brackets in multi-terms sum to get same truncation, independent of
238      the face number (manage to get exactly same value of gU,gV at the cs-edge)
239      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
240    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
241      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
242      a maximum grid-scale Reynolds number.  Also, changes all length calculations
243      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
244      Suggested values of viscosity parameters found in mom_calc_visc.
245      Many new viscosity diagnostics available.
246    
247    checkpoint57s_post
248    o Add clearing-house for viscosity calculations, mom_calc_visc and
249      correct numerous bugs in LeithD and Smagorinsky discretizations.  
250      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
251      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
252      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
253      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
254      The Strain-Tension form is now called with useStrainTensonVisc=.true.
255      ViscAhStrain and viscAhTension are now retired.
256    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
257    o In response to JMC's bug report, genmake2 now ignores any soft-links
258      that it finds in the *current* directory when searching for files.
259      Soft-links found in any other source directories will still work as
260      they did before.
261    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
262      a C routine to unlimit the stack size
263    o mnc-ify pkg/aim snapshot vars
264    o mnc-ify pkg/land as requested by Daniel
265    o various changes to mnc including:
266      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
267      - output can now be grouped so that all files within a group
268          change the ITER portion of their names in lock-step together
269      - can now read ("global") PER-FACE (in addition to PER-TILE) files
270          and works with both EXCH1 and EXCH2 (but needs more testing)
271      - writing works for all verification test cases w/ g77 on Linux
272    
273    checkpoint57r_post
274    o make MNC variable initialization happen earlier
275    o add diagnostics for (almost) each term of the momentum Eq.
276    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
277    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
278    o remove MINIMAL_TAVE_OUTPUT option ;
279      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
280    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
281      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
282    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
283    o add time-dependent SST, SSS control
284    o cost terms in ecco/ modularized (new cost_generic.F)
285    o cost_averages routines are modularized (new cost_averagesgeneric.F)
286    o new infrastructure for seaice model vs. obs misfits in seaice/
287      * driver from the_main_loop.F is seaice_cost_driver.F
288      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
289      * gradient check in Exp. 6a of natl_box_adjoint/
290    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
291      (see README file)
292    
293    checkpoint57q_post
294    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
295    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
296      - bug was reported by Jean-Michel and Ian Fenty
297    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
298      update exp. cpl_aim+ocn output.
299    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
300      Needed for high-res. runs with large global files
301      to be able to limit tapelev size
302    o Changed some tests for adjoint:
303      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
304      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
305      * global_ocean.90x40x15/ back to default 3-level checkpointing
306    o Modifications to enable scripted COMMON to MODULE conversion
307      * verification/OpenAD/code/ has necessary scripts and description;
308      * converts, compiles and runs successfully;
309    
310    checkpoint57p_post
311    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
312    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
313      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
314    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
315    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
316      (was already the case for dissipation with mom_vecinv,
317       and also the case for grad.PhiHyd when staggered-timeStep)
318      This will allow to put dissipation out-off the AB time-stepping.
319     Unfortunately, affects truncation error. Update output of exp. that "fails"
320      (cg2d matching number) and leave the others for later: front_relax(10),
321      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
322      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
323    
324    checkpoint57o_post
325    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
326      (2) its ready to be documented during the 20050801 DocFest
327    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
328      for ideal_2D_oce and lab_sea on linux_ia32_g77
329    o set to #undef CTRL_SET_OLD_MAXCVARS_30
330      in global1x1_tot/code_seaice_adj to access indices 32, 33
331      (worth another tag)
332    
333    checkpoint57n_post
334    o adding precip control xx_precip 32
335    o adding swflux control xx_swflux 33
336    o Replacing 10 forcing penalty cost routines by 1 generic.
337    o Implementing partitioning in time-mean and variable adjustment
338      for atmos. state.
339    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
340    o in natl_box_adjoint:
341      * updated exp 1 to 10
342        (but does not have time-mean vs. variable split results yet)
343    o updated global1x1/*_seaice_adj/
344      to incorporate latest changes
345    o enable useSingleCpuIO for mdsio vector routines
346      (applies in particular to tapelev I/O)
347    o removed inefficient K-loop in all active_file*control*.F
348    
349    checkpoint57m_post
350    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
351      and advect_cs (use EXCH-2 and standard cs-32 grid files).
352    o pkg/exch2: filling of face-corner halo regions is optional
353      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
354    
355    checkpoint57l_post
356     tag before updating tutorials (pre-release-2)
357    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
358       for output and interpolation of input fields onto model grid)
359    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
360       Affects results of exp. rotating_tank ; update output.txt.
361    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
362          and taking the square quantity and/or using a fraction-weight field.
363    o fix aim_diagnostics_init.F mate numbers.
364    o add mnc output capability to diagnostics/diagstat and update
365      our cvsignore files for the ACSII output generated
366    
367    checkpoint57k_post
368    o lab_sea now uses diagnostics package and provides a suite of
369      new EXF diagnostics output.
370    
371    checkpoint57j_post
372    o exf
373      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
374        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
375        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
376      * extended diagnostics output
377        - now includes all EXF variables
378        - hs, hl moved to common block
379        - separate S/R for diagnostics, called after ctrl vector is added
380        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
381        - EXFqnet contains true Qnet (i.e. includes qsw)
382      * updated verif. lab_sea, global_with_exf
383      * Rearranging hflux (exf_mapfields -> exf_getforcing)
384        to ensure that diagnostics sees a true EXFqnet
385    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
386    o diagnostics pkg: change pointers so that 1 diagnostic can be used
387      several times with different frequencies.
388    o mnc-ify the thsice package as requested by Daniel Enderton
389      - the monitor--MNC output needs work
390      - many attributes need to be added (most are currently blank)
391    o mnc-ify theaim_v23 package as requested by Daniel Enderton
392      - many attributes need to be added (most are currently blank)
393    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
394    o add Sadourny like discretization to the 4th.O vorticity advection scheme
395    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
396      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
397         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
398    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
399     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
400    
401    checkpoint57i_post
402    o Diagnostics package was changed: diagnostic allocation is now deactivated
403      by setting an empty file name in the namelist (used to be by setting 0 frequency)
404    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
405      add 1rst Order upwind vertical Shear.
406    o add a quick fix for A/B checkpointing in OFFLINE mode
407    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
408      end-run around the C/Fortran linking horror in eesup/src/timers.F
409    o added pkg/runclock: allows user to terminate run based on wall clock
410    o added non-hydrostatic scaling parameter: nh_am2
411    o pkg/my82: futile attempt to make results compiler-independent by adding
412      some "_d 0", etc. no effect.
413    o for mnc output, fill the 'T' coordinate var with myTime and create a
414      separate 'iter' variable for iteration count
415    o pkg/diagnostics:
416      add new capability: output of Global/Regional & per-level statistics ;
417      tested against monitor output (including land & thSIce) on various exp.
418    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
419    
420    checkpoint57h_done
421      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
422      data.diagnostics, data.gchem, data.ptracers) is done.
423    
424    o pkg/diagnostics: prepare for Global/Regional statistics.
425      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
426    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
427      and rename it: DIFFERENT_MULTIPLE
428    
429    checkpoint57h_post
430    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
431    o pkg/diagnostics: change output frequency, now in seconds (instead
432      of Nb of iterations). This requires to change data.diagnostics.
433    checkpoint57h_pre
434    
435    o in mnc, let the user create the output dir if both mnc_outdir_date
436      and mnc_outdir_num are false
437    o add fflags() to pkg/diagnostics which allows one to specify, on a
438      per-file basis, the file precision [default behavior is unchanged]
439    o added diagnostics to pkg/kpp, including computation of mixed layer
440      depth based on a temperature/density criterion
441    o updated verification/natl_box to test the new pkg/kpp diagnostics
442    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
443    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
444    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
445      not mnc -- this mistake was found by JMC and is now corrected
446    
447    checkpoint57g_post
448    o add Adams-Bashforth 3rd Order time stepping:
449      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
450      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
451    checkpoint57g_pre
452    
453    o make lambda[Theta,Salt]ClimRelax spatially varying
454      (default remains spatially uniform constant based on tau)
455    o added new control variables
456      * init. uVel, vVel, etanN
457      * lambda[Theta,Salt]ClimRelax
458    o separate masks used for ctrl_pack/unpack 'from write_grid' output
459      (suggested by G. Forget)
460    
461    checkpoint57f_post
462    o add parameter "baseTime" = model base time = time at iteration zero
463      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
464      account for baseTime shift
465    o move Coriolis arrays from PARAMS.h to GRID.h
466    checkpoint57f_pre
467    
468    o mnc-ifying the seaice package
469    o introduced an alternative length scale calculation for use in the limiting
470      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
471    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
472    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
473      as well as grad(vort3).  Made it compatible with both approximate form
474      for the cubed sphere and full form of these gradients.  Added flag
475      useFullLeith to select between approximate and full form.  
476    o add "d0" in getcon.F to reduce differences between compilers/platforms
477      update output.txt of exp. fizhi-gridalt-hs
478    o change port_rand funtion to allow to set the seed.
479    o fix obscure MNC bug involving conversion between reals and integers
480      - it caused no problems with certain (eg. gcc, ifc) compilers but the
481        new version is now more standards-compliant
482    o adjoint-related modifications
483      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
484      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
485      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
486    
487    checkpoint57e_post
488    o Adding eddy stress controls a la Ferreira et al.
489    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
490    
491    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
492      update output.txt of exp. fizhi-gridalt-hs
493    o add more "Z" dimensions and associated coordinate vars to MNC
494    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
495    o parameter calendarDumps: when set, approximate months (30-31 days) and years
496      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
497      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
498      months and years.  Requires pkg/cal.
499    o diagnostics: add pickup functionality
500      - off by default for backwards compatibility
501      - current version only uses MDSIO -- MNC will be added
502    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
503    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
504    
505    checkpoint57d_post
506    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
507    o modify verification/ideal_2D_oce so that it tests the creation of mnc
508      output from the diagnostics package
509    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
510    o make genmake2 more portable by using ".$FS" instead of ".f" for more
511      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
512    o add coordinate variables to the MNC output from the diagnostics package
513    o change MNC-flags default value: true when useMNC=TRUE
514    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
515      the ability (off by default) to read the grid information using MNC
516    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
517    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
518    o do snap-shot diagnostics at the middle of the time-interval (instead of
519      at the end).
520    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
521      new test for AIM with thSIce + slab-ocean
522    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
523    o move state variable diagnostics to the beginning of the time step ;
524      (note: still needs some work specially for snap-shot diagnostics)
525      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
526    
527    checkpoint57c_post
528    o Change testing option (-ieee) to get closer agreement between g77 & ifort
529    o generate new output.txt files on faulks with g77 & the new -ieee option
530    checkpoint57c_pre
531    
532    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
533      update output.txt of exp. global_ocean.90x40x15
534    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
535      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
536    o add saltFlux(+File) forcing capability with periodicExternalForcing
537    o allow to use pkg diagnostics for GM-Redi & ThSIce output
538    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
539    o improvements for the MNC output from DIAGNOSTICS:
540      - correct handling of the unlimitied dimension
541      - all dims now have associated coordinate variables
542      - variables located at U, V, and Corner ("Z") points are now written
543        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
544        *all* data points are output
545    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
546    o added pkg/seaice/seaice_monitor.F
547    o mdsio_readfield.F can now read files visible only to master MPI process.
548    o pkg/seaice: some test code for ice-modified ocean stress
549    o exf_getffields interpolation defaults to bilinear for all scalar forcing
550      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
551      spurious negative numbers for precipitation and humidity.  Will cause
552      some small numerical differences for integrations using pkg/exf/exf_interp.F.
553    o pkg/ctrl/
554      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
555        May be enabled via doPackDiag
556      *  introduce z-scaling of
557         + gradient (doZscalePack) and
558         + control (doZscaleUnpack)
559    o pkg/mdsio/
560      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
561      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
562    
563    checkpoint57b_post
564    o simplify options in diagnostics_fill arguments (remove weird combinations)
565    o fix MNC coordinate variables so that they now contain per-face index
566      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
567      general, EXCH2 grids are only aligned to a "local" coordinate system
568    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
569    o Implement instantaneous output within pkg diagnostics:
570      setting a negative frequency in data.diagnostics produces
571     "snap-shot" output (as opposed to time-average if freq > 0)
572    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
573      NOTE: change ptracer diagnostics name: use 2 characters to work with
574            more than 9 tracers. Add also diagnostics of advect & diffus flux.
575    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
576      becomes the coordinate variable for the 'T' dimension
577    o add CF-style coordinate variables to MNC
578      - just a first cut:  numbers are meaningless on the cubesphere and
579        missing along the T axis but otherwise it works!
580    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
581    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
582    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
583      this is based directly on what the model compute, so that the content of
584      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
585    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
586    o clean up build options files for SunOS, in particular
587      - remove -traditional from xmakedepend
588      - change -xarch=v9 to -xarch=native for f77
589      - restore use of make (not gmake)
590      - add CC=gcc if using g77
591    o changes per discussion of AM, JMC, & EH3 today:
592      - move redundant "grid" variables out of "state" -- in preparation of
593        creating proper CF-style coordinate variables and in recognition
594        that any/all grid variables can be easily copied (eg. w/NCO) from
595        the grid files into any of the other NetCDF files
596      - *always* output grid variables with MDSIO (this will eventually be
597        changed)
598      - output MNC grid file if useMNC is true
599    o every instance of _END_MASTER() has been found and replaced with
600      _END_MASTER( myThid ) in order to satisfy certain picky Sun
601      preprocessors
602    o re-arrange diagnostics pkg initialisation:
603     - allow each package to extend the available diagnostics list
604     - add some checking and fix small problems (multi-threaded, ...)
605     - new S/R diagnostics_fill (replace fill_diagnostics):
606       look through the short list of active diag. (instead of the long list)
607       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
608    
609    checkpoint57a_post
610    o this set of changes restores TAMC compatibility
611      tested for global_ocean.90x40x15 adjoint on trough
612      (what a pain)
613    
614    checkpoint57a_pre
615    o some modifs in tools/build_options for sunos
616    o call ctrl_pack for ctrl at end for optimcycle=0
617    
618    checkpoint57
619    o add horizontal bi-harmonic viscosity for vertical velocity
620      - new parameter viscA4W (defaults to viscA4)
621      - affects only non-hydrostatic code
622      - to be done: no-slip lateral boundary conditions
623    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
624    o implement Implicit Vertical advection for pTracers
625    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
626      (implemented also for implicit vertical diffusion & advection)
627    o OBCS: extend application of tracer open boundary conditions
628      to a strip beyond the boundary of width Olx/Oly
629    o add call monitor to TAF set of required calls (flow directives)
630      and include in natl_box_adjoint
631    o untangle a few ifdefs related to cost, ctrl, autodiff
632      untangel a few ALLOW_ECCO_OPTIMIZATION
633    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
634      (theta2, salt2 in ecco_cost_weights)
635    
636    checkpoint56c_post
637    o OBCS as control variables
638      - update ctrl_ad_diff.list, obcs_ad_diff.list
639      - remove balance of obcs controls from default
640      - fix index bug nobcs in ctrl_init
641      - fix dummy fields filen in ctrl_pack
642      - add dummy weights for obcs
643    o lsopt: comment out fort.94 output
644    o optim:
645      - remove unnecessary header files
646      - adjusted namelists
647      - add xerbla.F to Makefile
648    o exf:
649      - multiple modifications of exf_check_range
650      - unit change in exf_init_runoff from [m/year] to [m/s]
651    o mdsio:
652      - i/o-vector change debugLevel from debLevA to debLevB
653    
654    checkpoint56b_post
655    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
656      is called from DO_THE_MODEL_IO
657      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
658      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
659      - clean up PTRACERS_WRITE_TIMEAVE a little
660    o add another verification experiment that tests both the cfc-pkg and
661      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
662      reactive tendencies treated inline with regular timestepping
663    o testreport previously did a lousy job of comparing small numbers, so
664      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
665      implemented in the little c-progam tmp_cmpnum.c which is embedded in
666      testreport.
667    o ptracers_monitor: bug fix for MPI
668    
669    checkpoint56a_post
670    o GCHEM: finish reorganizating the package
671      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
672        (introduces another 3D-array for each passive tracer, but only if
673        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
674        gchemTendency is not needed because the timestep is done separately)
675      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
676      - GCHEM is now---more or less cleanly---separate from PTRACERS
677      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
678        so clear to me how that should be done in a general way.
679    o CFC: improve formatting of output in CFC_ATMOS
680    o PTRACERS:
681      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
682        that ALL experiments with ptracers enable can be checked. This makes
683        GCHEM_MONITOR obsolete.
684      - include a runtime parameter PTRACERS_monitorFreq that defaults to
685        monitorFreq
686      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
687    o add PTRACERS (PTR0[1-5]) to testreport output
688    o exf_check_range:
689      * default changed to .TRUE.
690      * will check values for niter0 if debLevA, every timestep if debLevB
691      * STOP in exf_check_range if 'out of range'
692      * range chosen generous to allow for potential extema
693      TBD: a version with stricter range
694           permitted range would be runtime parameters
695  o GMredi:  o GMredi:
696    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
697    - 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 700  o GCHEM:
700    - 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
701      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
702    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
703      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
704        this flag is now only visible within GCHEM-pkg routines.
705      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
706        be replaced by a 3D array that is computed before thermodynamics; for
707        this, the tracer ID iTracer had to be included into the parameter list
708        of ptracers_forcing
709      - set up forward_step to call gchem_forcing, that will replace
710        gchem_forcing_int in ptracers_forcing
711      - cleaning up
712  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
713    
714  checkpoint56  checkpoint56

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