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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.627 by jmc, Mon Mar 13 04:36:59 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 AIM+thSIce: fix sign of Short-Wave through the Ice ;
8      update output.txt of exp. aim.5l_cs.thSI
9    o various mnc cleanups and improvements:
10      + shrink lookup tables by factor of ~4
11      + better error reporting when running out of lookup space
12      + able to handle longer path/file names (up to 500 chars)
13    o adjoint:
14      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
15      - TBD: "hidden" mom_vecinv recomp. in dynamics
16    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
17     (allow to differentiate between forcing components using new integer flags:
18      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
19     and add new flag to put Dissipation tendency out of Adams-Bashforth.
20    o ecco
21      - enable trend removal from SSH anomaly obs.
22    o adjoint
23      - a fix for PmEpR when #undef EXACT_CONSERV
24      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
25      - try to fix "hidden" recomp. in forward_step for NLFS
26        (NLFS seems broken sometimes after I checked it in)
27    o seaice:
28     - add c-grid version of the dynamic solver:
29       + three new routines that are the c-grid substitute lsr, dynsolver
30         and ostres
31       + put a few fields that were local to dynsolver into global common
32         blocks, so that I can move the computation of stresses etc into
33         seaice_lsr (saves coding but may break the adjoint).
34     - replace more hardwired parameters by runtime parameters
35     - add ice masks that mask the rhs of the implicit solvers where there
36       is no ice (commented out in seaice_dynsolver, because i am not sure
37       if this works properly), eventually this should replace the clipping
38       of ice velocities in seaice_dynsolver to +/-40cm/s.
39    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
40      include it only where its needed
41    o move balancing of fluxes before the call of external_forcing_surf
42    o seaice:
43      - correct units of turning angles (now they are really in degrees)
44      - move computation of GWATX/Y out of main routine into dynsolver
45      - initialize GWATX/Y in seaice_init
46    o Apply mask on Fresh-Water flux (needed for SSH forcing).
47      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
48    o seaice: add runtime flags for turning angles (default to zero)
49    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
50      and trend from exf forcing and ctrl control adjustments
51    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
52      (since checkpoint57x_post)
53    o change the default rotation period to 86164.s = the Earth rotation
54    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
55      and based on a reference stratification. Tested within hs94.cs-32x32x5.
56    o seaice advection: add code for choosing between the default (2nd order
57      central differences) and multiDim advection schemes provided by
58      pkg/generic_advdiff
59    o seaice:
60      - removed all references to SEAICE_GRID.h fields from
61        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
62        (cubed-sphere configuration will change a little)
63      - grid computations in seaice_init are obsolete now.
64      - cleaned up code a little so that is easier to read (hopefully).
65      - added new (better?) discretizations of default advection and diffusion
66        (turn on with SEAICEuseFluxForm)
67      - replace 1 in 3d global fields by kSurface in growth.F
68      
69    checkpoint58a_post
70    o seaice:
71      - bug fix in advect.F
72    o shelfice:
73      - separate shelfice load anomaly from pload (breaks with time
74        dependent forcing), => introduce constant field shelficeLoadAnomaly.
75        Its default is 0., but it may be computed more cleverly from (unknown)
76        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
77        done offline. A good approximation of the pressure load anomaly is
78        necessary to avoid large initial adjustment processes underneath
79        deep-reaching shelfice.
80      - small fix in ISOMIP shelfice_thermodynamics
81      - add more sophisticated thermodynamics of Hellmer (1989), this is
82        now the default
83      - give a few constants more intuitive names
84    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
85      if bulk formulae are used in long integration (especially EmPmR). Turn
86      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
87      if balancePrintMean, the imbalance that is substracted is printed to
88      STDOUT.
89    o fix bug (typo) in obcs_apply_eta.F
90    o add a new package shelfice which enables us to model the circulation
91      underneath shelf-ice with draughts of hundreds of meters.
92     - works
93     - to do: + include improved thermodynamics
94              + check whether kSurfC (from model/inc/SURFACE.h) can be used
95                instead of new field kTopC
96              + can we use topoFile, Ro_surf and existing code in ini_depth.F
97                instead of new field R_shelfIce and new code in ini_depth.F
98                and ini_mask_etc.F?
99              + adjust vertical mixing schemes?
100    o seaice pkg:
101     - add a cpp-flag to include a simple formula for a salinity dependent
102       freezing point of sea water at the surface
103     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
104       meridional stresses are now different (and hopefully correct)
105    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
106       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
107       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
108    o pkg/diagnostics: add options and parameters for regional-statistics
109       diagnostics ; define regions by reading a region-mask from a file
110       (might add other options later)
111    o pkg/bulk_force:
112     - add option and parameters to use AIM surface-flux formulae.
113     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
114       others forcing fields (defined in PARM05, parameter file "data") are loaded
115       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
116     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
117     - use the right EXCH call for uwind,vwind (to work on CS-grid).
118     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
119       and parameters (note: calcWindStress replaces .NOT.readwindstress).
120     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
121    
122    checkpoint58
123    o add "--embed-source" option to genmake2 which, when the supporting
124      tools can be compiled (as determined by genmake2) will turn on the
125      embed_files package which then embeds the entire MITgcm source code
126      (*.[fFhc] + Makefile) used for the build within the executable
127      - requested by CNH but off by default
128      - adds a paltry <9MB to the mitgcmuv executable in most cases
129      - only writes the output when useEMBEDSRC in eedata is true
130    o clean up 3-dim. relaxation codes:
131      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
132      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
133      * Thanks to Tom Haine for testing!
134    
135    checkpoint57z_post
136    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
137      affects output (@ truncation level) of exp. plume_on_slope ; updated.
138    o fix the pickup behavior for obcs in combination with ptracers
139    o fix a bug in ptracers_external_fields_load
140    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
141      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
142    o transfered surface NH pressure to eta field (if exactConserv).
143    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
144         and update lab_sea output.txt file.
145    o completing 3-dim. relaxation code: additional term
146         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
147      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
148      * At compile time, in "EXF_OPTIONS.h" set
149          #define  ALLOW_CLIMTEMP_RELAXATION
150          #define  ALLOW_CLIMSALT_RELAXATION
151      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
152          tauThetaClimRelax3Dim = 15552000.0,
153          tauSaltClimRelax3Dim  = 15552000.0,
154      * 3 cases:
155          1) Use a constant-in-time 3-dim. field
156          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
157          3) Real-time relax. to time-evolving prescribed field
158    o Adding Laplacian-type smoothness constraint on
159      initial and boundary (forcing) controls (ic, bc)
160      * enable at compile-time via
161        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
162      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
163      * Absolute scale somewhat unclear so far
164      * no area weighting was included since no other cost term does so far
165    
166    checkpoint57y_post
167    First step for a NLFS adjoint
168    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
169    o new init. routines for calc_r_star, calc_surf_dr
170    o still need to deal with ini_masks_etc
171    o testreport seemed happy
172    checkpoint57y_pre
173    
174    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
175    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
176    o add new offset feature to offline pkg (plus minor cleanup)
177    o cfc fixes for final year of integration
178    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
179      be in GCHEM_OPTIONS).
180    
181    checkpoint57x_post
182    o fix testreport Pb in multiple test experiment.
183    o cleanup our namelist syntax in verification:
184      - make it more F95 standards compliant (some work still needed)
185      - allows the vast majority of our tests to work with gfortran
186    o Non-Hydrostatic:
187     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
188     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
189    o Allow to apply AB on T,S rather than on AB(gT,gS):
190     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
191     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
192       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
193     - need a "clever" read_pickup to restart from the other AB formulation
194    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
195    o remove some unused variables (reduces number of compiler warnings)
196    o adjoint
197      * Disable useVariableViscosity for adjoint for time being
198        (there are a number of extensive recomputations)
199      * Initialize certain variables needed for adjoint
200    
201    checkpoint57w_post
202    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
203                 fix the singleCpuIO RS version of MDSWRITEFIELD
204       and add a WARNING if using globalFiles=T with multi-processors.
205    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
206      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
207    o tracer advection scheme:
208      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
209       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
210       was not very convenient).
211      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
212       (further tests needed for the implicit DST & Flux-Limiter schemes).
213    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
214      and sRef for convenience, handy, when you want to initialize
215      ptracers in a large domain with a constant non-zero value. Also,
216      untangle ptracers_init.F a little.
217    
218    checkpoint57v_post
219    o change dome exp. to use variable viscosity in side-drag terms.
220    o remove all the files from the cfc_offline test since they are now
221      incorporated into tutorial_cfc_offline which has been producing
222      identical results for a few days of testing
223    o add new parameter: sideDragFactor to enable half-slip-side BC
224      and change side-drag S/R to use viscosity from mom_calc_visc
225      (can switch back by setting sideDragFactor=0.); affects results at
226      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
227       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
228    o vorticity & strain are now computed without masking, to account for
229      no-slip-side BC in variable viscosity calculation ; mask is applied
230      anyway later on, before computing advection/coriolis terms.
231    o modify exp4 to test new obcs support for reading from external files
232      and for passive tracers
233    o fix behavior of ptracers_monitor when monitor output is written to a
234      netcdf-file; still not independent of monitor.F (writes in the same
235      file).
236    o change default value of tRef (put a uniform, meaningful value for ocean
237      & atmos) and initialize sRef (was missing, as Martin mentioned).
238    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
239      to be proportional to enstrophy dissipation length.  Thus,
240       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
241      This is now consistent with Smagorinsky and with the manual.
242    
243    checkpoint57u_post
244    o OBCS and PTRACERS: add open boundary support for passive tracers
245      - either use homogenous (pseudo) v.Neumann conditions or prescribe
246        OB-values from file; this is not different from the way theta and salinity
247        are treated
248      - however, Orlanski-radiation conditions are not supported, and the model
249        will stop if you use pTracers and Orlanski at the same time.
250      - beefed up the rountine obcs_external_fields_load: now only those open
251        boundary values are overwritten with values from files for which there
252        are really files, otherwise the OB-fields remain untouched. This makes
253        it possible to use different OBs at different ends of the domain (as
254        with EXF)
255    o reduce number of exch calls in shap_filt (s2).
256    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
257      truncation level) 4/5 MLAdjust test results (11&12 digits match).
258    
259    checkpoint57t_post
260    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
261    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
262      same truncation, independent of the face number: affects affects several
263      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
264    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
265      note that biharmonic viscosity + no-slip was not tested in any experiment.
266    o fix bug in non-linear free-surf side-drag ; generate new output for
267      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
268    o make mnc honor the writeBinaryPrec flag for most kinds of output
269    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
270    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
271      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
272    o add brackets in multi-terms sum to get same truncation, independent of
273      the face number (manage to get exactly same value of gU,gV at the cs-edge)
274      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
275    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
276      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
277      a maximum grid-scale Reynolds number.  Also, changes all length calculations
278      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
279      Suggested values of viscosity parameters found in mom_calc_visc.
280      Many new viscosity diagnostics available.
281    
282    checkpoint57s_post
283    o Add clearing-house for viscosity calculations, mom_calc_visc and
284      correct numerous bugs in LeithD and Smagorinsky discretizations.  
285      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
286      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
287      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
288      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
289      The Strain-Tension form is now called with useStrainTensonVisc=.true.
290      ViscAhStrain and viscAhTension are now retired.
291    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
292    o In response to JMC's bug report, genmake2 now ignores any soft-links
293      that it finds in the *current* directory when searching for files.
294      Soft-links found in any other source directories will still work as
295      they did before.
296    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
297      a C routine to unlimit the stack size
298    o mnc-ify pkg/aim snapshot vars
299    o mnc-ify pkg/land as requested by Daniel
300    o various changes to mnc including:
301      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
302      - output can now be grouped so that all files within a group
303          change the ITER portion of their names in lock-step together
304      - can now read ("global") PER-FACE (in addition to PER-TILE) files
305          and works with both EXCH1 and EXCH2 (but needs more testing)
306      - writing works for all verification test cases w/ g77 on Linux
307    
308    checkpoint57r_post
309    o make MNC variable initialization happen earlier
310    o add diagnostics for (almost) each term of the momentum Eq.
311    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
312    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
313    o remove MINIMAL_TAVE_OUTPUT option ;
314      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
315    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
316      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
317    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
318    o add time-dependent SST, SSS control
319    o cost terms in ecco/ modularized (new cost_generic.F)
320    o cost_averages routines are modularized (new cost_averagesgeneric.F)
321    o new infrastructure for seaice model vs. obs misfits in seaice/
322      * driver from the_main_loop.F is seaice_cost_driver.F
323      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
324      * gradient check in Exp. 6a of natl_box_adjoint/
325    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
326      (see README file)
327    
328    checkpoint57q_post
329    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
330    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
331      - bug was reported by Jean-Michel and Ian Fenty
332    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
333      update exp. cpl_aim+ocn output.
334    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
335      Needed for high-res. runs with large global files
336      to be able to limit tapelev size
337    o Changed some tests for adjoint:
338      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
339      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
340      * global_ocean.90x40x15/ back to default 3-level checkpointing
341    o Modifications to enable scripted COMMON to MODULE conversion
342      * verification/OpenAD/code/ has necessary scripts and description;
343      * converts, compiles and runs successfully;
344    
345    checkpoint57p_post
346    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
347    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
348      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
349    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
350    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
351      (was already the case for dissipation with mom_vecinv,
352       and also the case for grad.PhiHyd when staggered-timeStep)
353      This will allow to put dissipation out-off the AB time-stepping.
354     Unfortunately, affects truncation error. Update output of exp. that "fails"
355      (cg2d matching number) and leave the others for later: front_relax(10),
356      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
357      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
358    
359    checkpoint57o_post
360    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
361      (2) its ready to be documented during the 20050801 DocFest
362    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
363      for ideal_2D_oce and lab_sea on linux_ia32_g77
364    o set to #undef CTRL_SET_OLD_MAXCVARS_30
365      in global1x1_tot/code_seaice_adj to access indices 32, 33
366      (worth another tag)
367    
368    checkpoint57n_post
369    o adding precip control xx_precip 32
370    o adding swflux control xx_swflux 33
371    o Replacing 10 forcing penalty cost routines by 1 generic.
372    o Implementing partitioning in time-mean and variable adjustment
373      for atmos. state.
374    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
375    o in natl_box_adjoint:
376      * updated exp 1 to 10
377        (but does not have time-mean vs. variable split results yet)
378    o updated global1x1/*_seaice_adj/
379      to incorporate latest changes
380    o enable useSingleCpuIO for mdsio vector routines
381      (applies in particular to tapelev I/O)
382    o removed inefficient K-loop in all active_file*control*.F
383    
384    checkpoint57m_post
385    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
386      and advect_cs (use EXCH-2 and standard cs-32 grid files).
387    o pkg/exch2: filling of face-corner halo regions is optional
388      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
389    
390    checkpoint57l_post
391     tag before updating tutorials (pre-release-2)
392    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
393       for output and interpolation of input fields onto model grid)
394    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
395       Affects results of exp. rotating_tank ; update output.txt.
396    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
397          and taking the square quantity and/or using a fraction-weight field.
398    o fix aim_diagnostics_init.F mate numbers.
399    o add mnc output capability to diagnostics/diagstat and update
400      our cvsignore files for the ACSII output generated
401    
402    checkpoint57k_post
403    o lab_sea now uses diagnostics package and provides a suite of
404      new EXF diagnostics output.
405    
406    checkpoint57j_post
407    o exf
408      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
409        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
410        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
411      * extended diagnostics output
412        - now includes all EXF variables
413        - hs, hl moved to common block
414        - separate S/R for diagnostics, called after ctrl vector is added
415        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
416        - EXFqnet contains true Qnet (i.e. includes qsw)
417      * updated verif. lab_sea, global_with_exf
418      * Rearranging hflux (exf_mapfields -> exf_getforcing)
419        to ensure that diagnostics sees a true EXFqnet
420    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
421    o diagnostics pkg: change pointers so that 1 diagnostic can be used
422      several times with different frequencies.
423    o mnc-ify the thsice package as requested by Daniel Enderton
424      - the monitor--MNC output needs work
425      - many attributes need to be added (most are currently blank)
426    o mnc-ify theaim_v23 package as requested by Daniel Enderton
427      - many attributes need to be added (most are currently blank)
428    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
429    o add Sadourny like discretization to the 4th.O vorticity advection scheme
430    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
431      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
432         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
433    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
434     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
435    
436    checkpoint57i_post
437    o Diagnostics package was changed: diagnostic allocation is now deactivated
438      by setting an empty file name in the namelist (used to be by setting 0 frequency)
439    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
440      add 1rst Order upwind vertical Shear.
441    o add a quick fix for A/B checkpointing in OFFLINE mode
442    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
443      end-run around the C/Fortran linking horror in eesup/src/timers.F
444    o added pkg/runclock: allows user to terminate run based on wall clock
445    o added non-hydrostatic scaling parameter: nh_am2
446    o pkg/my82: futile attempt to make results compiler-independent by adding
447      some "_d 0", etc. no effect.
448    o for mnc output, fill the 'T' coordinate var with myTime and create a
449      separate 'iter' variable for iteration count
450    o pkg/diagnostics:
451      add new capability: output of Global/Regional & per-level statistics ;
452      tested against monitor output (including land & thSIce) on various exp.
453    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
454    
455    checkpoint57h_done
456      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
457      data.diagnostics, data.gchem, data.ptracers) is done.
458    
459    o pkg/diagnostics: prepare for Global/Regional statistics.
460      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
461    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
462      and rename it: DIFFERENT_MULTIPLE
463    
464    checkpoint57h_post
465    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
466    o pkg/diagnostics: change output frequency, now in seconds (instead
467      of Nb of iterations). This requires to change data.diagnostics.
468    checkpoint57h_pre
469    
470    o in mnc, let the user create the output dir if both mnc_outdir_date
471      and mnc_outdir_num are false
472    o add fflags() to pkg/diagnostics which allows one to specify, on a
473      per-file basis, the file precision [default behavior is unchanged]
474    o added diagnostics to pkg/kpp, including computation of mixed layer
475      depth based on a temperature/density criterion
476    o updated verification/natl_box to test the new pkg/kpp diagnostics
477    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
478    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
479    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
480      not mnc -- this mistake was found by JMC and is now corrected
481    
482    checkpoint57g_post
483    o add Adams-Bashforth 3rd Order time stepping:
484      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
485      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
486    checkpoint57g_pre
487    
488    o make lambda[Theta,Salt]ClimRelax spatially varying
489      (default remains spatially uniform constant based on tau)
490    o added new control variables
491      * init. uVel, vVel, etanN
492      * lambda[Theta,Salt]ClimRelax
493    o separate masks used for ctrl_pack/unpack 'from write_grid' output
494      (suggested by G. Forget)
495    
496    checkpoint57f_post
497    o add parameter "baseTime" = model base time = time at iteration zero
498      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
499      account for baseTime shift
500    o move Coriolis arrays from PARAMS.h to GRID.h
501    checkpoint57f_pre
502    
503    o mnc-ifying the seaice package
504    o introduced an alternative length scale calculation for use in the limiting
505      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
506    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
507    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
508      as well as grad(vort3).  Made it compatible with both approximate form
509      for the cubed sphere and full form of these gradients.  Added flag
510      useFullLeith to select between approximate and full form.  
511    o add "d0" in getcon.F to reduce differences between compilers/platforms
512      update output.txt of exp. fizhi-gridalt-hs
513    o change port_rand funtion to allow to set the seed.
514    o fix obscure MNC bug involving conversion between reals and integers
515      - it caused no problems with certain (eg. gcc, ifc) compilers but the
516        new version is now more standards-compliant
517    o adjoint-related modifications
518      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
519      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
520      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
521    
522    checkpoint57e_post
523    o Adding eddy stress controls a la Ferreira et al.
524    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
525    
526    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
527      update output.txt of exp. fizhi-gridalt-hs
528    o add more "Z" dimensions and associated coordinate vars to MNC
529    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
530    o parameter calendarDumps: when set, approximate months (30-31 days) and years
531      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
532      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
533      months and years.  Requires pkg/cal.
534    o diagnostics: add pickup functionality
535      - off by default for backwards compatibility
536      - current version only uses MDSIO -- MNC will be added
537    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
538    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
539    
540    checkpoint57d_post
541    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
542    o modify verification/ideal_2D_oce so that it tests the creation of mnc
543      output from the diagnostics package
544    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
545    o make genmake2 more portable by using ".$FS" instead of ".f" for more
546      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
547    o add coordinate variables to the MNC output from the diagnostics package
548    o change MNC-flags default value: true when useMNC=TRUE
549    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
550      the ability (off by default) to read the grid information using MNC
551    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
552    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
553    o do snap-shot diagnostics at the middle of the time-interval (instead of
554      at the end).
555    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
556      new test for AIM with thSIce + slab-ocean
557    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
558    o move state variable diagnostics to the beginning of the time step ;
559      (note: still needs some work specially for snap-shot diagnostics)
560      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
561    
562    checkpoint57c_post
563    o Change testing option (-ieee) to get closer agreement between g77 & ifort
564    o generate new output.txt files on faulks with g77 & the new -ieee option
565    checkpoint57c_pre
566    
567    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
568      update output.txt of exp. global_ocean.90x40x15
569    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
570      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
571    o add saltFlux(+File) forcing capability with periodicExternalForcing
572    o allow to use pkg diagnostics for GM-Redi & ThSIce output
573    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
574    o improvements for the MNC output from DIAGNOSTICS:
575      - correct handling of the unlimitied dimension
576      - all dims now have associated coordinate variables
577      - variables located at U, V, and Corner ("Z") points are now written
578        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
579        *all* data points are output
580    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
581    o added pkg/seaice/seaice_monitor.F
582    o mdsio_readfield.F can now read files visible only to master MPI process.
583    o pkg/seaice: some test code for ice-modified ocean stress
584    o exf_getffields interpolation defaults to bilinear for all scalar forcing
585      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
586      spurious negative numbers for precipitation and humidity.  Will cause
587      some small numerical differences for integrations using pkg/exf/exf_interp.F.
588    o pkg/ctrl/
589      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
590        May be enabled via doPackDiag
591      *  introduce z-scaling of
592         + gradient (doZscalePack) and
593         + control (doZscaleUnpack)
594    o pkg/mdsio/
595      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
596      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
597    
598    checkpoint57b_post
599    o simplify options in diagnostics_fill arguments (remove weird combinations)
600    o fix MNC coordinate variables so that they now contain per-face index
601      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
602      general, EXCH2 grids are only aligned to a "local" coordinate system
603    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
604    o Implement instantaneous output within pkg diagnostics:
605      setting a negative frequency in data.diagnostics produces
606     "snap-shot" output (as opposed to time-average if freq > 0)
607    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
608      NOTE: change ptracer diagnostics name: use 2 characters to work with
609            more than 9 tracers. Add also diagnostics of advect & diffus flux.
610    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
611      becomes the coordinate variable for the 'T' dimension
612    o add CF-style coordinate variables to MNC
613      - just a first cut:  numbers are meaningless on the cubesphere and
614        missing along the T axis but otherwise it works!
615    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
616    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
617    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
618      this is based directly on what the model compute, so that the content of
619      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
620    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
621    o clean up build options files for SunOS, in particular
622      - remove -traditional from xmakedepend
623      - change -xarch=v9 to -xarch=native for f77
624      - restore use of make (not gmake)
625      - add CC=gcc if using g77
626    o changes per discussion of AM, JMC, & EH3 today:
627      - move redundant "grid" variables out of "state" -- in preparation of
628        creating proper CF-style coordinate variables and in recognition
629        that any/all grid variables can be easily copied (eg. w/NCO) from
630        the grid files into any of the other NetCDF files
631      - *always* output grid variables with MDSIO (this will eventually be
632        changed)
633      - output MNC grid file if useMNC is true
634    o every instance of _END_MASTER() has been found and replaced with
635      _END_MASTER( myThid ) in order to satisfy certain picky Sun
636      preprocessors
637    o re-arrange diagnostics pkg initialisation:
638     - allow each package to extend the available diagnostics list
639     - add some checking and fix small problems (multi-threaded, ...)
640     - new S/R diagnostics_fill (replace fill_diagnostics):
641       look through the short list of active diag. (instead of the long list)
642       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
643    
644    checkpoint57a_post
645    o this set of changes restores TAMC compatibility
646      tested for global_ocean.90x40x15 adjoint on trough
647      (what a pain)
648    
649    checkpoint57a_pre
650    o some modifs in tools/build_options for sunos
651    o call ctrl_pack for ctrl at end for optimcycle=0
652    
653    checkpoint57
654    o add horizontal bi-harmonic viscosity for vertical velocity
655      - new parameter viscA4W (defaults to viscA4)
656      - affects only non-hydrostatic code
657      - to be done: no-slip lateral boundary conditions
658    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
659    o implement Implicit Vertical advection for pTracers
660    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
661      (implemented also for implicit vertical diffusion & advection)
662    o OBCS: extend application of tracer open boundary conditions
663      to a strip beyond the boundary of width Olx/Oly
664    o add call monitor to TAF set of required calls (flow directives)
665      and include in natl_box_adjoint
666    o untangle a few ifdefs related to cost, ctrl, autodiff
667      untangel a few ALLOW_ECCO_OPTIMIZATION
668    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
669      (theta2, salt2 in ecco_cost_weights)
670    
671    checkpoint56c_post
672    o OBCS as control variables
673      - update ctrl_ad_diff.list, obcs_ad_diff.list
674      - remove balance of obcs controls from default
675      - fix index bug nobcs in ctrl_init
676      - fix dummy fields filen in ctrl_pack
677      - add dummy weights for obcs
678    o lsopt: comment out fort.94 output
679    o optim:
680      - remove unnecessary header files
681      - adjusted namelists
682      - add xerbla.F to Makefile
683    o exf:
684      - multiple modifications of exf_check_range
685      - unit change in exf_init_runoff from [m/year] to [m/s]
686    o mdsio:
687      - i/o-vector change debugLevel from debLevA to debLevB
688    
689    checkpoint56b_post
690    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
691      is called from DO_THE_MODEL_IO
692      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
693      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
694      - clean up PTRACERS_WRITE_TIMEAVE a little
695    o add another verification experiment that tests both the cfc-pkg and
696      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
697      reactive tendencies treated inline with regular timestepping
698    o testreport previously did a lousy job of comparing small numbers, so
699      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
700      implemented in the little c-progam tmp_cmpnum.c which is embedded in
701      testreport.
702    o ptracers_monitor: bug fix for MPI
703    
704    checkpoint56a_post
705    o GCHEM: finish reorganizating the package
706      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
707        (introduces another 3D-array for each passive tracer, but only if
708        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
709        gchemTendency is not needed because the timestep is done separately)
710      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
711      - GCHEM is now---more or less cleanly---separate from PTRACERS
712      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
713        so clear to me how that should be done in a general way.
714    o CFC: improve formatting of output in CFC_ATMOS
715    o PTRACERS:
716      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
717        that ALL experiments with ptracers enable can be checked. This makes
718        GCHEM_MONITOR obsolete.
719      - include a runtime parameter PTRACERS_monitorFreq that defaults to
720        monitorFreq
721      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
722    o add PTRACERS (PTR0[1-5]) to testreport output
723    o exf_check_range:
724      * default changed to .TRUE.
725      * will check values for niter0 if debLevA, every timestep if debLevB
726      * STOP in exf_check_range if 'out of range'
727      * range chosen generous to allow for potential extema
728      TBD: a version with stricter range
729           permitted range would be runtime parameters
730  o GMredi:  o GMredi:
731    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
732    - 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 735  o GCHEM:
735    - 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
736      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
737    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
738      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
739        this flag is now only visible within GCHEM-pkg routines.
740      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
741        be replaced by a 3D array that is computed before thermodynamics; for
742        this, the tracer ID iTracer had to be included into the parameter list
743        of ptracers_forcing
744      - set up forward_step to call gchem_forcing, that will replace
745        gchem_forcing_int in ptracers_forcing
746      - cleaning up
747  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
748    
749  checkpoint56  checkpoint56

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