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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.626 by edhill, Fri Mar 10 05:50:22 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 various mnc cleanups and improvements:
8      + shrink lookup tables by factor of ~4
9      + better error reporting when running out of lookup space
10      + able to handle longer path/file names (up to 500 chars)
11    o adjoint:
12      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
13      - TBD: "hidden" mom_vecinv recomp. in dynamics
14    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
15     (allow to differentiate between forcing components using new integer flags:
16      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
17     and add new flag to put Dissipation tendency out of Adams-Bashforth.
18    o ecco
19      - enable trend removal from SSH anomaly obs.
20    o adjoint
21      - a fix for PmEpR when #undef EXACT_CONSERV
22      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
23      - try to fix "hidden" recomp. in forward_step for NLFS
24        (NLFS seems broken sometimes after I checked it in)
25    o seaice:
26     - add c-grid version of the dynamic solver:
27       + three new routines that are the c-grid substitute lsr, dynsolver
28         and ostres
29       + put a few fields that were local to dynsolver into global common
30         blocks, so that I can move the computation of stresses etc into
31         seaice_lsr (saves coding but may break the adjoint).
32     - replace more hardwired parameters by runtime parameters
33     - add ice masks that mask the rhs of the implicit solvers where there
34       is no ice (commented out in seaice_dynsolver, because i am not sure
35       if this works properly), eventually this should replace the clipping
36       of ice velocities in seaice_dynsolver to +/-40cm/s.
37    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
38      include it only where its needed
39    o move balancing of fluxes before the call of external_forcing_surf
40    o seaice:
41      - correct units of turning angles (now they are really in degrees)
42      - move computation of GWATX/Y out of main routine into dynsolver
43      - initialize GWATX/Y in seaice_init
44    o Apply mask on Fresh-Water flux (needed for SSH forcing).
45      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
46    o seaice: add runtime flags for turning angles (default to zero)
47    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
48      and trend from exf forcing and ctrl control adjustments
49    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
50      (since checkpoint57x_post)
51    o change the default rotation period to 86164.s = the Earth rotation
52    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
53      and based on a reference stratification. Tested within hs94.cs-32x32x5.
54    o seaice advection: add code for choosing between the default (2nd order
55      central differences) and multiDim advection schemes provided by
56      pkg/generic_advdiff
57    o seaice:
58      - removed all references to SEAICE_GRID.h fields from
59        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
60        (cubed-sphere configuration will change a little)
61      - grid computations in seaice_init are obsolete now.
62      - cleaned up code a little so that is easier to read (hopefully).
63      - added new (better?) discretizations of default advection and diffusion
64        (turn on with SEAICEuseFluxForm)
65      - replace 1 in 3d global fields by kSurface in growth.F
66      
67    checkpoint58a_post
68    o seaice:
69      - bug fix in advect.F
70    o shelfice:
71      - separate shelfice load anomaly from pload (breaks with time
72        dependent forcing), => introduce constant field shelficeLoadAnomaly.
73        Its default is 0., but it may be computed more cleverly from (unknown)
74        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
75        done offline. A good approximation of the pressure load anomaly is
76        necessary to avoid large initial adjustment processes underneath
77        deep-reaching shelfice.
78      - small fix in ISOMIP shelfice_thermodynamics
79      - add more sophisticated thermodynamics of Hellmer (1989), this is
80        now the default
81      - give a few constants more intuitive names
82    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
83      if bulk formulae are used in long integration (especially EmPmR). Turn
84      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
85      if balancePrintMean, the imbalance that is substracted is printed to
86      STDOUT.
87    o fix bug (typo) in obcs_apply_eta.F
88    o add a new package shelfice which enables us to model the circulation
89      underneath shelf-ice with draughts of hundreds of meters.
90     - works
91     - to do: + include improved thermodynamics
92              + check whether kSurfC (from model/inc/SURFACE.h) can be used
93                instead of new field kTopC
94              + can we use topoFile, Ro_surf and existing code in ini_depth.F
95                instead of new field R_shelfIce and new code in ini_depth.F
96                and ini_mask_etc.F?
97              + adjust vertical mixing schemes?
98    o seaice pkg:
99     - add a cpp-flag to include a simple formula for a salinity dependent
100       freezing point of sea water at the surface
101     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
102       meridional stresses are now different (and hopefully correct)
103    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
104       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
105       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
106    o pkg/diagnostics: add options and parameters for regional-statistics
107       diagnostics ; define regions by reading a region-mask from a file
108       (might add other options later)
109    o pkg/bulk_force:
110     - add option and parameters to use AIM surface-flux formulae.
111     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
112       others forcing fields (defined in PARM05, parameter file "data") are loaded
113       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
114     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
115     - use the right EXCH call for uwind,vwind (to work on CS-grid).
116     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
117       and parameters (note: calcWindStress replaces .NOT.readwindstress).
118     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
119    
120    checkpoint58
121    o add "--embed-source" option to genmake2 which, when the supporting
122      tools can be compiled (as determined by genmake2) will turn on the
123      embed_files package which then embeds the entire MITgcm source code
124      (*.[fFhc] + Makefile) used for the build within the executable
125      - requested by CNH but off by default
126      - adds a paltry <9MB to the mitgcmuv executable in most cases
127      - only writes the output when useEMBEDSRC in eedata is true
128    o clean up 3-dim. relaxation codes:
129      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
130      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
131      * Thanks to Tom Haine for testing!
132    
133    checkpoint57z_post
134    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
135      affects output (@ truncation level) of exp. plume_on_slope ; updated.
136    o fix the pickup behavior for obcs in combination with ptracers
137    o fix a bug in ptracers_external_fields_load
138    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
139      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
140    o transfered surface NH pressure to eta field (if exactConserv).
141    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
142         and update lab_sea output.txt file.
143    o completing 3-dim. relaxation code: additional term
144         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
145      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
146      * At compile time, in "EXF_OPTIONS.h" set
147          #define  ALLOW_CLIMTEMP_RELAXATION
148          #define  ALLOW_CLIMSALT_RELAXATION
149      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
150          tauThetaClimRelax3Dim = 15552000.0,
151          tauSaltClimRelax3Dim  = 15552000.0,
152      * 3 cases:
153          1) Use a constant-in-time 3-dim. field
154          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
155          3) Real-time relax. to time-evolving prescribed field
156    o Adding Laplacian-type smoothness constraint on
157      initial and boundary (forcing) controls (ic, bc)
158      * enable at compile-time via
159        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
160      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
161      * Absolute scale somewhat unclear so far
162      * no area weighting was included since no other cost term does so far
163    
164    checkpoint57y_post
165    First step for a NLFS adjoint
166    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
167    o new init. routines for calc_r_star, calc_surf_dr
168    o still need to deal with ini_masks_etc
169    o testreport seemed happy
170    checkpoint57y_pre
171    
172    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
173    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
174    o add new offset feature to offline pkg (plus minor cleanup)
175    o cfc fixes for final year of integration
176    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
177      be in GCHEM_OPTIONS).
178    
179    checkpoint57x_post
180    o fix testreport Pb in multiple test experiment.
181    o cleanup our namelist syntax in verification:
182      - make it more F95 standards compliant (some work still needed)
183      - allows the vast majority of our tests to work with gfortran
184    o Non-Hydrostatic:
185     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
186     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
187    o Allow to apply AB on T,S rather than on AB(gT,gS):
188     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
189     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
190       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
191     - need a "clever" read_pickup to restart from the other AB formulation
192    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
193    o remove some unused variables (reduces number of compiler warnings)
194    o adjoint
195      * Disable useVariableViscosity for adjoint for time being
196        (there are a number of extensive recomputations)
197      * Initialize certain variables needed for adjoint
198    
199    checkpoint57w_post
200    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
201                 fix the singleCpuIO RS version of MDSWRITEFIELD
202       and add a WARNING if using globalFiles=T with multi-processors.
203    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
204      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
205    o tracer advection scheme:
206      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
207       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
208       was not very convenient).
209      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
210       (further tests needed for the implicit DST & Flux-Limiter schemes).
211    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
212      and sRef for convenience, handy, when you want to initialize
213      ptracers in a large domain with a constant non-zero value. Also,
214      untangle ptracers_init.F a little.
215    
216    checkpoint57v_post
217    o change dome exp. to use variable viscosity in side-drag terms.
218    o remove all the files from the cfc_offline test since they are now
219      incorporated into tutorial_cfc_offline which has been producing
220      identical results for a few days of testing
221    o add new parameter: sideDragFactor to enable half-slip-side BC
222      and change side-drag S/R to use viscosity from mom_calc_visc
223      (can switch back by setting sideDragFactor=0.); affects results at
224      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
225       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
226    o vorticity & strain are now computed without masking, to account for
227      no-slip-side BC in variable viscosity calculation ; mask is applied
228      anyway later on, before computing advection/coriolis terms.
229    o modify exp4 to test new obcs support for reading from external files
230      and for passive tracers
231    o fix behavior of ptracers_monitor when monitor output is written to a
232      netcdf-file; still not independent of monitor.F (writes in the same
233      file).
234    o change default value of tRef (put a uniform, meaningful value for ocean
235      & atmos) and initialize sRef (was missing, as Martin mentioned).
236    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
237      to be proportional to enstrophy dissipation length.  Thus,
238       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
239      This is now consistent with Smagorinsky and with the manual.
240    
241    checkpoint57u_post
242    o OBCS and PTRACERS: add open boundary support for passive tracers
243      - either use homogenous (pseudo) v.Neumann conditions or prescribe
244        OB-values from file; this is not different from the way theta and salinity
245        are treated
246      - however, Orlanski-radiation conditions are not supported, and the model
247        will stop if you use pTracers and Orlanski at the same time.
248      - beefed up the rountine obcs_external_fields_load: now only those open
249        boundary values are overwritten with values from files for which there
250        are really files, otherwise the OB-fields remain untouched. This makes
251        it possible to use different OBs at different ends of the domain (as
252        with EXF)
253    o reduce number of exch calls in shap_filt (s2).
254    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
255      truncation level) 4/5 MLAdjust test results (11&12 digits match).
256    
257    checkpoint57t_post
258    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
259    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
260      same truncation, independent of the face number: affects affects several
261      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
262    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
263      note that biharmonic viscosity + no-slip was not tested in any experiment.
264    o fix bug in non-linear free-surf side-drag ; generate new output for
265      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
266    o make mnc honor the writeBinaryPrec flag for most kinds of output
267    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
268    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
269      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
270    o add brackets in multi-terms sum to get same truncation, independent of
271      the face number (manage to get exactly same value of gU,gV at the cs-edge)
272      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
273    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
274      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
275      a maximum grid-scale Reynolds number.  Also, changes all length calculations
276      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
277      Suggested values of viscosity parameters found in mom_calc_visc.
278      Many new viscosity diagnostics available.
279    
280    checkpoint57s_post
281    o Add clearing-house for viscosity calculations, mom_calc_visc and
282      correct numerous bugs in LeithD and Smagorinsky discretizations.  
283      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
284      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
285      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
286      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
287      The Strain-Tension form is now called with useStrainTensonVisc=.true.
288      ViscAhStrain and viscAhTension are now retired.
289    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
290    o In response to JMC's bug report, genmake2 now ignores any soft-links
291      that it finds in the *current* directory when searching for files.
292      Soft-links found in any other source directories will still work as
293      they did before.
294    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
295      a C routine to unlimit the stack size
296    o mnc-ify pkg/aim snapshot vars
297    o mnc-ify pkg/land as requested by Daniel
298    o various changes to mnc including:
299      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
300      - output can now be grouped so that all files within a group
301          change the ITER portion of their names in lock-step together
302      - can now read ("global") PER-FACE (in addition to PER-TILE) files
303          and works with both EXCH1 and EXCH2 (but needs more testing)
304      - writing works for all verification test cases w/ g77 on Linux
305    
306    checkpoint57r_post
307    o make MNC variable initialization happen earlier
308    o add diagnostics for (almost) each term of the momentum Eq.
309    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
310    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
311    o remove MINIMAL_TAVE_OUTPUT option ;
312      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
313    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
314      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
315    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
316    o add time-dependent SST, SSS control
317    o cost terms in ecco/ modularized (new cost_generic.F)
318    o cost_averages routines are modularized (new cost_averagesgeneric.F)
319    o new infrastructure for seaice model vs. obs misfits in seaice/
320      * driver from the_main_loop.F is seaice_cost_driver.F
321      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
322      * gradient check in Exp. 6a of natl_box_adjoint/
323    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
324      (see README file)
325    
326    checkpoint57q_post
327    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
328    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
329      - bug was reported by Jean-Michel and Ian Fenty
330    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
331      update exp. cpl_aim+ocn output.
332    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
333      Needed for high-res. runs with large global files
334      to be able to limit tapelev size
335    o Changed some tests for adjoint:
336      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
337      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
338      * global_ocean.90x40x15/ back to default 3-level checkpointing
339    o Modifications to enable scripted COMMON to MODULE conversion
340      * verification/OpenAD/code/ has necessary scripts and description;
341      * converts, compiles and runs successfully;
342    
343    checkpoint57p_post
344    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
345    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
346      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
347    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
348    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
349      (was already the case for dissipation with mom_vecinv,
350       and also the case for grad.PhiHyd when staggered-timeStep)
351      This will allow to put dissipation out-off the AB time-stepping.
352     Unfortunately, affects truncation error. Update output of exp. that "fails"
353      (cg2d matching number) and leave the others for later: front_relax(10),
354      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
355      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
356    
357    checkpoint57o_post
358    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
359      (2) its ready to be documented during the 20050801 DocFest
360    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
361      for ideal_2D_oce and lab_sea on linux_ia32_g77
362    o set to #undef CTRL_SET_OLD_MAXCVARS_30
363      in global1x1_tot/code_seaice_adj to access indices 32, 33
364      (worth another tag)
365    
366    checkpoint57n_post
367    o adding precip control xx_precip 32
368    o adding swflux control xx_swflux 33
369    o Replacing 10 forcing penalty cost routines by 1 generic.
370    o Implementing partitioning in time-mean and variable adjustment
371      for atmos. state.
372    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
373    o in natl_box_adjoint:
374      * updated exp 1 to 10
375        (but does not have time-mean vs. variable split results yet)
376    o updated global1x1/*_seaice_adj/
377      to incorporate latest changes
378    o enable useSingleCpuIO for mdsio vector routines
379      (applies in particular to tapelev I/O)
380    o removed inefficient K-loop in all active_file*control*.F
381    
382    checkpoint57m_post
383    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
384      and advect_cs (use EXCH-2 and standard cs-32 grid files).
385    o pkg/exch2: filling of face-corner halo regions is optional
386      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
387    
388    checkpoint57l_post
389     tag before updating tutorials (pre-release-2)
390    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
391       for output and interpolation of input fields onto model grid)
392    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
393       Affects results of exp. rotating_tank ; update output.txt.
394    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
395          and taking the square quantity and/or using a fraction-weight field.
396    o fix aim_diagnostics_init.F mate numbers.
397    o add mnc output capability to diagnostics/diagstat and update
398      our cvsignore files for the ACSII output generated
399    
400    checkpoint57k_post
401    o lab_sea now uses diagnostics package and provides a suite of
402      new EXF diagnostics output.
403    
404    checkpoint57j_post
405    o exf
406      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
407        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
408        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
409      * extended diagnostics output
410        - now includes all EXF variables
411        - hs, hl moved to common block
412        - separate S/R for diagnostics, called after ctrl vector is added
413        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
414        - EXFqnet contains true Qnet (i.e. includes qsw)
415      * updated verif. lab_sea, global_with_exf
416      * Rearranging hflux (exf_mapfields -> exf_getforcing)
417        to ensure that diagnostics sees a true EXFqnet
418    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
419    o diagnostics pkg: change pointers so that 1 diagnostic can be used
420      several times with different frequencies.
421    o mnc-ify the thsice package as requested by Daniel Enderton
422      - the monitor--MNC output needs work
423      - many attributes need to be added (most are currently blank)
424    o mnc-ify theaim_v23 package as requested by Daniel Enderton
425      - many attributes need to be added (most are currently blank)
426    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
427    o add Sadourny like discretization to the 4th.O vorticity advection scheme
428    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
429      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
430         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
431    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
432     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
433    
434    checkpoint57i_post
435    o Diagnostics package was changed: diagnostic allocation is now deactivated
436      by setting an empty file name in the namelist (used to be by setting 0 frequency)
437    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
438      add 1rst Order upwind vertical Shear.
439    o add a quick fix for A/B checkpointing in OFFLINE mode
440    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
441      end-run around the C/Fortran linking horror in eesup/src/timers.F
442    o added pkg/runclock: allows user to terminate run based on wall clock
443    o added non-hydrostatic scaling parameter: nh_am2
444    o pkg/my82: futile attempt to make results compiler-independent by adding
445      some "_d 0", etc. no effect.
446    o for mnc output, fill the 'T' coordinate var with myTime and create a
447      separate 'iter' variable for iteration count
448    o pkg/diagnostics:
449      add new capability: output of Global/Regional & per-level statistics ;
450      tested against monitor output (including land & thSIce) on various exp.
451    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
452    
453    checkpoint57h_done
454      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
455      data.diagnostics, data.gchem, data.ptracers) is done.
456    
457    o pkg/diagnostics: prepare for Global/Regional statistics.
458      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
459    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
460      and rename it: DIFFERENT_MULTIPLE
461    
462    checkpoint57h_post
463    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
464    o pkg/diagnostics: change output frequency, now in seconds (instead
465      of Nb of iterations). This requires to change data.diagnostics.
466    checkpoint57h_pre
467    
468    o in mnc, let the user create the output dir if both mnc_outdir_date
469      and mnc_outdir_num are false
470    o add fflags() to pkg/diagnostics which allows one to specify, on a
471      per-file basis, the file precision [default behavior is unchanged]
472    o added diagnostics to pkg/kpp, including computation of mixed layer
473      depth based on a temperature/density criterion
474    o updated verification/natl_box to test the new pkg/kpp diagnostics
475    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
476    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
477    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
478      not mnc -- this mistake was found by JMC and is now corrected
479    
480    checkpoint57g_post
481    o add Adams-Bashforth 3rd Order time stepping:
482      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
483      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
484    checkpoint57g_pre
485    
486    o make lambda[Theta,Salt]ClimRelax spatially varying
487      (default remains spatially uniform constant based on tau)
488    o added new control variables
489      * init. uVel, vVel, etanN
490      * lambda[Theta,Salt]ClimRelax
491    o separate masks used for ctrl_pack/unpack 'from write_grid' output
492      (suggested by G. Forget)
493    
494    checkpoint57f_post
495    o add parameter "baseTime" = model base time = time at iteration zero
496      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
497      account for baseTime shift
498    o move Coriolis arrays from PARAMS.h to GRID.h
499    checkpoint57f_pre
500    
501    o mnc-ifying the seaice package
502    o introduced an alternative length scale calculation for use in the limiting
503      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
504    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
505    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
506      as well as grad(vort3).  Made it compatible with both approximate form
507      for the cubed sphere and full form of these gradients.  Added flag
508      useFullLeith to select between approximate and full form.  
509    o add "d0" in getcon.F to reduce differences between compilers/platforms
510      update output.txt of exp. fizhi-gridalt-hs
511    o change port_rand funtion to allow to set the seed.
512    o fix obscure MNC bug involving conversion between reals and integers
513      - it caused no problems with certain (eg. gcc, ifc) compilers but the
514        new version is now more standards-compliant
515    o adjoint-related modifications
516      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
517      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
518      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
519    
520    checkpoint57e_post
521    o Adding eddy stress controls a la Ferreira et al.
522    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
523    
524    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
525      update output.txt of exp. fizhi-gridalt-hs
526    o add more "Z" dimensions and associated coordinate vars to MNC
527    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
528    o parameter calendarDumps: when set, approximate months (30-31 days) and years
529      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
530      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
531      months and years.  Requires pkg/cal.
532    o diagnostics: add pickup functionality
533      - off by default for backwards compatibility
534      - current version only uses MDSIO -- MNC will be added
535    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
536    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
537    
538    checkpoint57d_post
539    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
540    o modify verification/ideal_2D_oce so that it tests the creation of mnc
541      output from the diagnostics package
542    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
543    o make genmake2 more portable by using ".$FS" instead of ".f" for more
544      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
545    o add coordinate variables to the MNC output from the diagnostics package
546    o change MNC-flags default value: true when useMNC=TRUE
547    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
548      the ability (off by default) to read the grid information using MNC
549    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
550    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
551    o do snap-shot diagnostics at the middle of the time-interval (instead of
552      at the end).
553    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
554      new test for AIM with thSIce + slab-ocean
555    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
556    o move state variable diagnostics to the beginning of the time step ;
557      (note: still needs some work specially for snap-shot diagnostics)
558      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
559    
560    checkpoint57c_post
561    o Change testing option (-ieee) to get closer agreement between g77 & ifort
562    o generate new output.txt files on faulks with g77 & the new -ieee option
563    checkpoint57c_pre
564    
565    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
566      update output.txt of exp. global_ocean.90x40x15
567    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
568      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
569    o add saltFlux(+File) forcing capability with periodicExternalForcing
570    o allow to use pkg diagnostics for GM-Redi & ThSIce output
571    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
572    o improvements for the MNC output from DIAGNOSTICS:
573      - correct handling of the unlimitied dimension
574      - all dims now have associated coordinate variables
575      - variables located at U, V, and Corner ("Z") points are now written
576        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
577        *all* data points are output
578    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
579    o added pkg/seaice/seaice_monitor.F
580    o mdsio_readfield.F can now read files visible only to master MPI process.
581    o pkg/seaice: some test code for ice-modified ocean stress
582    o exf_getffields interpolation defaults to bilinear for all scalar forcing
583      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
584      spurious negative numbers for precipitation and humidity.  Will cause
585      some small numerical differences for integrations using pkg/exf/exf_interp.F.
586    o pkg/ctrl/
587      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
588        May be enabled via doPackDiag
589      *  introduce z-scaling of
590         + gradient (doZscalePack) and
591         + control (doZscaleUnpack)
592    o pkg/mdsio/
593      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
594      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
595    
596    checkpoint57b_post
597    o simplify options in diagnostics_fill arguments (remove weird combinations)
598    o fix MNC coordinate variables so that they now contain per-face index
599      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
600      general, EXCH2 grids are only aligned to a "local" coordinate system
601    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
602    o Implement instantaneous output within pkg diagnostics:
603      setting a negative frequency in data.diagnostics produces
604     "snap-shot" output (as opposed to time-average if freq > 0)
605    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
606      NOTE: change ptracer diagnostics name: use 2 characters to work with
607            more than 9 tracers. Add also diagnostics of advect & diffus flux.
608    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
609      becomes the coordinate variable for the 'T' dimension
610    o add CF-style coordinate variables to MNC
611      - just a first cut:  numbers are meaningless on the cubesphere and
612        missing along the T axis but otherwise it works!
613    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
614    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
615    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
616      this is based directly on what the model compute, so that the content of
617      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
618    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
619    o clean up build options files for SunOS, in particular
620      - remove -traditional from xmakedepend
621      - change -xarch=v9 to -xarch=native for f77
622      - restore use of make (not gmake)
623      - add CC=gcc if using g77
624    o changes per discussion of AM, JMC, & EH3 today:
625      - move redundant "grid" variables out of "state" -- in preparation of
626        creating proper CF-style coordinate variables and in recognition
627        that any/all grid variables can be easily copied (eg. w/NCO) from
628        the grid files into any of the other NetCDF files
629      - *always* output grid variables with MDSIO (this will eventually be
630        changed)
631      - output MNC grid file if useMNC is true
632    o every instance of _END_MASTER() has been found and replaced with
633      _END_MASTER( myThid ) in order to satisfy certain picky Sun
634      preprocessors
635    o re-arrange diagnostics pkg initialisation:
636     - allow each package to extend the available diagnostics list
637     - add some checking and fix small problems (multi-threaded, ...)
638     - new S/R diagnostics_fill (replace fill_diagnostics):
639       look through the short list of active diag. (instead of the long list)
640       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
641    
642    checkpoint57a_post
643    o this set of changes restores TAMC compatibility
644      tested for global_ocean.90x40x15 adjoint on trough
645      (what a pain)
646    
647    checkpoint57a_pre
648    o some modifs in tools/build_options for sunos
649    o call ctrl_pack for ctrl at end for optimcycle=0
650    
651    checkpoint57
652    o add horizontal bi-harmonic viscosity for vertical velocity
653      - new parameter viscA4W (defaults to viscA4)
654      - affects only non-hydrostatic code
655      - to be done: no-slip lateral boundary conditions
656    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
657    o implement Implicit Vertical advection for pTracers
658    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
659      (implemented also for implicit vertical diffusion & advection)
660    o OBCS: extend application of tracer open boundary conditions
661      to a strip beyond the boundary of width Olx/Oly
662    o add call monitor to TAF set of required calls (flow directives)
663      and include in natl_box_adjoint
664    o untangle a few ifdefs related to cost, ctrl, autodiff
665      untangel a few ALLOW_ECCO_OPTIMIZATION
666    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
667      (theta2, salt2 in ecco_cost_weights)
668    
669    checkpoint56c_post
670    o OBCS as control variables
671      - update ctrl_ad_diff.list, obcs_ad_diff.list
672      - remove balance of obcs controls from default
673      - fix index bug nobcs in ctrl_init
674      - fix dummy fields filen in ctrl_pack
675      - add dummy weights for obcs
676    o lsopt: comment out fort.94 output
677    o optim:
678      - remove unnecessary header files
679      - adjusted namelists
680      - add xerbla.F to Makefile
681    o exf:
682      - multiple modifications of exf_check_range
683      - unit change in exf_init_runoff from [m/year] to [m/s]
684    o mdsio:
685      - i/o-vector change debugLevel from debLevA to debLevB
686    
687    checkpoint56b_post
688    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
689      is called from DO_THE_MODEL_IO
690      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
691      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
692      - clean up PTRACERS_WRITE_TIMEAVE a little
693    o add another verification experiment that tests both the cfc-pkg and
694      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
695      reactive tendencies treated inline with regular timestepping
696    o testreport previously did a lousy job of comparing small numbers, so
697      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
698      implemented in the little c-progam tmp_cmpnum.c which is embedded in
699      testreport.
700    o ptracers_monitor: bug fix for MPI
701    
702    checkpoint56a_post
703    o GCHEM: finish reorganizating the package
704      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
705        (introduces another 3D-array for each passive tracer, but only if
706        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
707        gchemTendency is not needed because the timestep is done separately)
708      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
709      - GCHEM is now---more or less cleanly---separate from PTRACERS
710      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
711        so clear to me how that should be done in a general way.
712    o CFC: improve formatting of output in CFC_ATMOS
713    o PTRACERS:
714      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
715        that ALL experiments with ptracers enable can be checked. This makes
716        GCHEM_MONITOR obsolete.
717      - include a runtime parameter PTRACERS_monitorFreq that defaults to
718        monitorFreq
719      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
720    o add PTRACERS (PTR0[1-5]) to testreport output
721    o exf_check_range:
722      * default changed to .TRUE.
723      * will check values for niter0 if debLevA, every timestep if debLevB
724      * STOP in exf_check_range if 'out of range'
725      * range chosen generous to allow for potential extema
726      TBD: a version with stricter range
727           permitted range would be runtime parameters
728  o GMredi:  o GMredi:
729    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
730    - 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 733  o GCHEM:
733    - 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
734      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
735    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
736      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
737        this flag is now only visible within GCHEM-pkg routines.
738      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
739        be replaced by a 3D array that is computed before thermodynamics; for
740        this, the tracer ID iTracer had to be included into the parameter list
741        of ptracers_forcing
742      - set up forward_step to call gchem_forcing, that will replace
743        gchem_forcing_int in ptracers_forcing
744      - cleaning up
745  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
746    
747  checkpoint56  checkpoint56

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