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revision 1.295 by heimbach, Fri May 14 21:04:01 2004 UTC revision 1.609 by mlosch, Mon Feb 13 13:11:31 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 shelfice:
8      - separate shelfice load anomaly from pload (breaks with time
9        dependent forcing), => introduce constant field shelficeLoadAnomaly.
10        Its default is 0., but it may be computed more cleverly from (unknown)
11        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
12        done offline. A good approximation of the pressure load anomaly is
13        necessary to avoid large initial adjustment processes underneath
14        deep-reaching shelfice.
15      - small fix in ISOMIP shelfice_thermodynamics
16      - add more sophisticated thermodynamics of Hellmer (1989), this is
17        now the default
18      - give a few constants more intuitive names
19    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
20      if bulk formulae are used in long integration (especially EmPmR). Turn
21      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
22      if balancePrintMean, the imbalance that is substracted is printed to
23      STDOUT.
24    o fix bug (typo) in obcs_apply_eta.F
25    o add a new package shelfice which enables us to model the circulation
26      underneath shelf-ice with draughts of hundreds of meters.
27     - works
28     - to do: + include improved thermodynamics
29              + check whether kSurfC (from model/inc/SURFACE.h) can be used
30                instead of new field kTopC
31              + can we use topoFile, Ro_surf and existing code in ini_depth.F
32                instead of new field R_shelfIce and new code in ini_depth.F
33                and ini_mask_etc.F?
34              + adjust vertical mixing schemes?
35    o seaice pkg:
36     - add a cpp-flag to include a simple formula for a salinity dependent
37       freezing point of sea water at the surface
38     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
39       meridional stresses are now different (and hopefully correct)
40    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
41       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
42       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
43    o pkg/diagnostics: add options and parameters for regional-statistics
44       diagnostics ; define regions by reading a region-mask from a file
45       (might add other options later)
46    o pkg/bulk_force:
47     - add option and parameters to use AIM surface-flux formulae.
48     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
49       others forcing fields (defined in PARM05, parameter file "data") are loaded
50       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
51     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
52     - use the right EXCH call for uwind,vwind (to work on CS-grid).
53     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
54       and parameters (note: calcWindStress replaces .NOT.readwindstress).
55     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
56    
57    checkpoint58
58    o add "--embed-source" option to genmake2 which, when the supporting
59      tools can be compiled (as determined by genmake2) will turn on the
60      embed_files package which then embeds the entire MITgcm source code
61      (*.[fFhc] + Makefile) used for the build within the executable
62      - requested by CNH but off by default
63      - adds a paltry <9MB to the mitgcmuv executable in most cases
64      - only writes the output when useEMBEDSRC in eedata is true
65    o clean up 3-dim. relaxation codes:
66      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
67      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
68      * Thanks to Tom Haine for testing!
69    
70    checkpoint57z_post
71    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
72      affects output (@ truncation level) of exp. plume_on_slope ; updated.
73    o fix the pickup behavior for obcs in combination with ptracers
74    o fix a bug in ptracers_external_fields_load
75    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
76      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
77    o transfered surface NH pressure to eta field (if exactConserv).
78    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
79         and update lab_sea output.txt file.
80    o completing 3-dim. relaxation code: additional term
81         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
82      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
83      * At compile time, in "EXF_OPTIONS.h" set
84          #define  ALLOW_CLIMTEMP_RELAXATION
85          #define  ALLOW_CLIMSALT_RELAXATION
86      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
87          tauThetaClimRelax3Dim = 15552000.0,
88          tauSaltClimRelax3Dim  = 15552000.0,
89      * 3 cases:
90          1) Use a constant-in-time 3-dim. field
91          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
92          3) Real-time relax. to time-evolving prescribed field
93    o Adding Laplacian-type smoothness constraint on
94      initial and boundary (forcing) controls (ic, bc)
95      * enable at compile-time via
96        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
97      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
98      * Absolute scale somewhat unclear so far
99      * no area weighting was included since no other cost term does so far
100    
101    checkpoint57y_post
102    First step for a NLFS adjoint
103    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
104    o new init. routines for calc_r_star, calc_surf_dr
105    o still need to deal with ini_masks_etc
106    o testreport seemed happy
107    checkpoint57y_pre
108    
109    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
110    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
111    o add new offset feature to offline pkg (plus minor cleanup)
112    o cfc fixes for final year of integration
113    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
114      be in GCHEM_OPTIONS).
115    
116    checkpoint57x_post
117    o fix testreport Pb in multiple test experiment.
118    o cleanup our namelist syntax in verification:
119      - make it more F95 standards compliant (some work still needed)
120      - allows the vast majority of our tests to work with gfortran
121    o Non-Hydrostatic:
122     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
123     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
124    o Allow to apply AB on T,S rather than on AB(gT,gS):
125     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
126     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
127       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
128     - need a "clever" read_pickup to restart from the other AB formulation
129    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
130    o remove some unused variables (reduces number of compiler warnings)
131    o adjoint
132      * Disable useVariableViscosity for adjoint for time being
133        (there are a number of extensive recomputations)
134      * Initialize certain variables needed for adjoint
135    
136    checkpoint57w_post
137    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
138                 fix the singleCpuIO RS version of MDSWRITEFIELD
139       and add a WARNING if using globalFiles=T with multi-processors.
140    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
141      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
142    o tracer advection scheme:
143      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
144       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
145       was not very convenient).
146      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
147       (further tests needed for the implicit DST & Flux-Limiter schemes).
148    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
149      and sRef for convenience, handy, when you want to initialize
150      ptracers in a large domain with a constant non-zero value. Also,
151      untangle ptracers_init.F a little.
152    
153    checkpoint57v_post
154    o change dome exp. to use variable viscosity in side-drag terms.
155    o remove all the files from the cfc_offline test since they are now
156      incorporated into tutorial_cfc_offline which has been producing
157      identical results for a few days of testing
158    o add new parameter: sideDragFactor to enable half-slip-side BC
159      and change side-drag S/R to use viscosity from mom_calc_visc
160      (can switch back by setting sideDragFactor=0.); affects results at
161      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
162       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
163    o vorticity & strain are now computed without masking, to account for
164      no-slip-side BC in variable viscosity calculation ; mask is applied
165      anyway later on, before computing advection/coriolis terms.
166    o modify exp4 to test new obcs support for reading from external files
167      and for passive tracers
168    o fix behavior of ptracers_monitor when monitor output is written to a
169      netcdf-file; still not independent of monitor.F (writes in the same
170      file).
171    o change default value of tRef (put a uniform, meaningful value for ocean
172      & atmos) and initialize sRef (was missing, as Martin mentioned).
173    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
174      to be proportional to enstrophy dissipation length.  Thus,
175       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
176      This is now consistent with Smagorinsky and with the manual.
177    
178    checkpoint57u_post
179    o OBCS and PTRACERS: add open boundary support for passive tracers
180      - either use homogenous (pseudo) v.Neumann conditions or prescribe
181        OB-values from file; this is not different from the way theta and salinity
182        are treated
183      - however, Orlanski-radiation conditions are not supported, and the model
184        will stop if you use pTracers and Orlanski at the same time.
185      - beefed up the rountine obcs_external_fields_load: now only those open
186        boundary values are overwritten with values from files for which there
187        are really files, otherwise the OB-fields remain untouched. This makes
188        it possible to use different OBs at different ends of the domain (as
189        with EXF)
190    o reduce number of exch calls in shap_filt (s2).
191    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
192      truncation level) 4/5 MLAdjust test results (11&12 digits match).
193    
194    checkpoint57t_post
195    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
196    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
197      same truncation, independent of the face number: affects affects several
198      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
199    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
200      note that biharmonic viscosity + no-slip was not tested in any experiment.
201    o fix bug in non-linear free-surf side-drag ; generate new output for
202      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
203    o make mnc honor the writeBinaryPrec flag for most kinds of output
204    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
205    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
206      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
207    o add brackets in multi-terms sum to get same truncation, independent of
208      the face number (manage to get exactly same value of gU,gV at the cs-edge)
209      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
210    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
211      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
212      a maximum grid-scale Reynolds number.  Also, changes all length calculations
213      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
214      Suggested values of viscosity parameters found in mom_calc_visc.
215      Many new viscosity diagnostics available.
216    
217    checkpoint57s_post
218    o Add clearing-house for viscosity calculations, mom_calc_visc and
219      correct numerous bugs in LeithD and Smagorinsky discretizations.  
220      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
221      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
222      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
223      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
224      The Strain-Tension form is now called with useStrainTensonVisc=.true.
225      ViscAhStrain and viscAhTension are now retired.
226    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
227    o In response to JMC's bug report, genmake2 now ignores any soft-links
228      that it finds in the *current* directory when searching for files.
229      Soft-links found in any other source directories will still work as
230      they did before.
231    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
232      a C routine to unlimit the stack size
233    o mnc-ify pkg/aim snapshot vars
234    o mnc-ify pkg/land as requested by Daniel
235    o various changes to mnc including:
236      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
237      - output can now be grouped so that all files within a group
238          change the ITER portion of their names in lock-step together
239      - can now read ("global") PER-FACE (in addition to PER-TILE) files
240          and works with both EXCH1 and EXCH2 (but needs more testing)
241      - writing works for all verification test cases w/ g77 on Linux
242    
243    checkpoint57r_post
244    o make MNC variable initialization happen earlier
245    o add diagnostics for (almost) each term of the momentum Eq.
246    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
247    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
248    o remove MINIMAL_TAVE_OUTPUT option ;
249      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
250    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
251      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
252    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
253    o add time-dependent SST, SSS control
254    o cost terms in ecco/ modularized (new cost_generic.F)
255    o cost_averages routines are modularized (new cost_averagesgeneric.F)
256    o new infrastructure for seaice model vs. obs misfits in seaice/
257      * driver from the_main_loop.F is seaice_cost_driver.F
258      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
259      * gradient check in Exp. 6a of natl_box_adjoint/
260    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
261      (see README file)
262    
263    checkpoint57q_post
264    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
265    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
266      - bug was reported by Jean-Michel and Ian Fenty
267    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
268      update exp. cpl_aim+ocn output.
269    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
270      Needed for high-res. runs with large global files
271      to be able to limit tapelev size
272    o Changed some tests for adjoint:
273      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
274      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
275      * global_ocean.90x40x15/ back to default 3-level checkpointing
276    o Modifications to enable scripted COMMON to MODULE conversion
277      * verification/OpenAD/code/ has necessary scripts and description;
278      * converts, compiles and runs successfully;
279    
280    checkpoint57p_post
281    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
282    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
283      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
284    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
285    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
286      (was already the case for dissipation with mom_vecinv,
287       and also the case for grad.PhiHyd when staggered-timeStep)
288      This will allow to put dissipation out-off the AB time-stepping.
289     Unfortunately, affects truncation error. Update output of exp. that "fails"
290      (cg2d matching number) and leave the others for later: front_relax(10),
291      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
292      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
293    
294    checkpoint57o_post
295    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
296      (2) its ready to be documented during the 20050801 DocFest
297    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
298      for ideal_2D_oce and lab_sea on linux_ia32_g77
299    o set to #undef CTRL_SET_OLD_MAXCVARS_30
300      in global1x1_tot/code_seaice_adj to access indices 32, 33
301      (worth another tag)
302    
303    checkpoint57n_post
304    o adding precip control xx_precip 32
305    o adding swflux control xx_swflux 33
306    o Replacing 10 forcing penalty cost routines by 1 generic.
307    o Implementing partitioning in time-mean and variable adjustment
308      for atmos. state.
309    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
310    o in natl_box_adjoint:
311      * updated exp 1 to 10
312        (but does not have time-mean vs. variable split results yet)
313    o updated global1x1/*_seaice_adj/
314      to incorporate latest changes
315    o enable useSingleCpuIO for mdsio vector routines
316      (applies in particular to tapelev I/O)
317    o removed inefficient K-loop in all active_file*control*.F
318    
319    checkpoint57m_post
320    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
321      and advect_cs (use EXCH-2 and standard cs-32 grid files).
322    o pkg/exch2: filling of face-corner halo regions is optional
323      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
324    
325    checkpoint57l_post
326     tag before updating tutorials (pre-release-2)
327    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
328       for output and interpolation of input fields onto model grid)
329    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
330       Affects results of exp. rotating_tank ; update output.txt.
331    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
332          and taking the square quantity and/or using a fraction-weight field.
333    o fix aim_diagnostics_init.F mate numbers.
334    o add mnc output capability to diagnostics/diagstat and update
335      our cvsignore files for the ACSII output generated
336    
337    checkpoint57k_post
338    o lab_sea now uses diagnostics package and provides a suite of
339      new EXF diagnostics output.
340    
341    checkpoint57j_post
342    o exf
343      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
344        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
345        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
346      * extended diagnostics output
347        - now includes all EXF variables
348        - hs, hl moved to common block
349        - separate S/R for diagnostics, called after ctrl vector is added
350        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
351        - EXFqnet contains true Qnet (i.e. includes qsw)
352      * updated verif. lab_sea, global_with_exf
353      * Rearranging hflux (exf_mapfields -> exf_getforcing)
354        to ensure that diagnostics sees a true EXFqnet
355    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
356    o diagnostics pkg: change pointers so that 1 diagnostic can be used
357      several times with different frequencies.
358    o mnc-ify the thsice package as requested by Daniel Enderton
359      - the monitor--MNC output needs work
360      - many attributes need to be added (most are currently blank)
361    o mnc-ify theaim_v23 package as requested by Daniel Enderton
362      - many attributes need to be added (most are currently blank)
363    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
364    o add Sadourny like discretization to the 4th.O vorticity advection scheme
365    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
366      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
367         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
368    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
369     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
370    
371    checkpoint57i_post
372    o Diagnostics package was changed: diagnostic allocation is now deactivated
373      by setting an empty file name in the namelist (used to be by setting 0 frequency)
374    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
375      add 1rst Order upwind vertical Shear.
376    o add a quick fix for A/B checkpointing in OFFLINE mode
377    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
378      end-run around the C/Fortran linking horror in eesup/src/timers.F
379    o added pkg/runclock: allows user to terminate run based on wall clock
380    o added non-hydrostatic scaling parameter: nh_am2
381    o pkg/my82: futile attempt to make results compiler-independent by adding
382      some "_d 0", etc. no effect.
383    o for mnc output, fill the 'T' coordinate var with myTime and create a
384      separate 'iter' variable for iteration count
385    o pkg/diagnostics:
386      add new capability: output of Global/Regional & per-level statistics ;
387      tested against monitor output (including land & thSIce) on various exp.
388    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
389    
390    checkpoint57h_done
391      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
392      data.diagnostics, data.gchem, data.ptracers) is done.
393    
394    o pkg/diagnostics: prepare for Global/Regional statistics.
395      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
396    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
397      and rename it: DIFFERENT_MULTIPLE
398    
399    checkpoint57h_post
400    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
401    o pkg/diagnostics: change output frequency, now in seconds (instead
402      of Nb of iterations). This requires to change data.diagnostics.
403    checkpoint57h_pre
404    
405    o in mnc, let the user create the output dir if both mnc_outdir_date
406      and mnc_outdir_num are false
407    o add fflags() to pkg/diagnostics which allows one to specify, on a
408      per-file basis, the file precision [default behavior is unchanged]
409    o added diagnostics to pkg/kpp, including computation of mixed layer
410      depth based on a temperature/density criterion
411    o updated verification/natl_box to test the new pkg/kpp diagnostics
412    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
413    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
414    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
415      not mnc -- this mistake was found by JMC and is now corrected
416    
417    checkpoint57g_post
418    o add Adams-Bashforth 3rd Order time stepping:
419      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
420      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
421    checkpoint57g_pre
422    
423    o make lambda[Theta,Salt]ClimRelax spatially varying
424      (default remains spatially uniform constant based on tau)
425    o added new control variables
426      * init. uVel, vVel, etanN
427      * lambda[Theta,Salt]ClimRelax
428    o separate masks used for ctrl_pack/unpack 'from write_grid' output
429      (suggested by G. Forget)
430    
431    checkpoint57f_post
432    o add parameter "baseTime" = model base time = time at iteration zero
433      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
434      account for baseTime shift
435    o move Coriolis arrays from PARAMS.h to GRID.h
436    checkpoint57f_pre
437    
438    o mnc-ifying the seaice package
439    o introduced an alternative length scale calculation for use in the limiting
440      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
441    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
442    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
443      as well as grad(vort3).  Made it compatible with both approximate form
444      for the cubed sphere and full form of these gradients.  Added flag
445      useFullLeith to select between approximate and full form.  
446    o add "d0" in getcon.F to reduce differences between compilers/platforms
447      update output.txt of exp. fizhi-gridalt-hs
448    o change port_rand funtion to allow to set the seed.
449    o fix obscure MNC bug involving conversion between reals and integers
450      - it caused no problems with certain (eg. gcc, ifc) compilers but the
451        new version is now more standards-compliant
452    o adjoint-related modifications
453      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
454      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
455      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
456    
457    checkpoint57e_post
458    o Adding eddy stress controls a la Ferreira et al.
459    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
460    
461    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
462      update output.txt of exp. fizhi-gridalt-hs
463    o add more "Z" dimensions and associated coordinate vars to MNC
464    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
465    o parameter calendarDumps: when set, approximate months (30-31 days) and years
466      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
467      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
468      months and years.  Requires pkg/cal.
469    o diagnostics: add pickup functionality
470      - off by default for backwards compatibility
471      - current version only uses MDSIO -- MNC will be added
472    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
473    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
474    
475    checkpoint57d_post
476    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
477    o modify verification/ideal_2D_oce so that it tests the creation of mnc
478      output from the diagnostics package
479    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
480    o make genmake2 more portable by using ".$FS" instead of ".f" for more
481      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
482    o add coordinate variables to the MNC output from the diagnostics package
483    o change MNC-flags default value: true when useMNC=TRUE
484    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
485      the ability (off by default) to read the grid information using MNC
486    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
487    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
488    o do snap-shot diagnostics at the middle of the time-interval (instead of
489      at the end).
490    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
491      new test for AIM with thSIce + slab-ocean
492    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
493    o move state variable diagnostics to the beginning of the time step ;
494      (note: still needs some work specially for snap-shot diagnostics)
495      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
496    
497    checkpoint57c_post
498    o Change testing option (-ieee) to get closer agreement between g77 & ifort
499    o generate new output.txt files on faulks with g77 & the new -ieee option
500    checkpoint57c_pre
501    
502    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
503      update output.txt of exp. global_ocean.90x40x15
504    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
505      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
506    o add saltFlux(+File) forcing capability with periodicExternalForcing
507    o allow to use pkg diagnostics for GM-Redi & ThSIce output
508    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
509    o improvements for the MNC output from DIAGNOSTICS:
510      - correct handling of the unlimitied dimension
511      - all dims now have associated coordinate variables
512      - variables located at U, V, and Corner ("Z") points are now written
513        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
514        *all* data points are output
515    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
516    o added pkg/seaice/seaice_monitor.F
517    o mdsio_readfield.F can now read files visible only to master MPI process.
518    o pkg/seaice: some test code for ice-modified ocean stress
519    o exf_getffields interpolation defaults to bilinear for all scalar forcing
520      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
521      spurious negative numbers for precipitation and humidity.  Will cause
522      some small numerical differences for integrations using pkg/exf/exf_interp.F.
523    o pkg/ctrl/
524      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
525        May be enabled via doPackDiag
526      *  introduce z-scaling of
527         + gradient (doZscalePack) and
528         + control (doZscaleUnpack)
529    o pkg/mdsio/
530      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
531      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
532    
533    checkpoint57b_post
534    o simplify options in diagnostics_fill arguments (remove weird combinations)
535    o fix MNC coordinate variables so that they now contain per-face index
536      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
537      general, EXCH2 grids are only aligned to a "local" coordinate system
538    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
539    o Implement instantaneous output within pkg diagnostics:
540      setting a negative frequency in data.diagnostics produces
541     "snap-shot" output (as opposed to time-average if freq > 0)
542    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
543      NOTE: change ptracer diagnostics name: use 2 characters to work with
544            more than 9 tracers. Add also diagnostics of advect & diffus flux.
545    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
546      becomes the coordinate variable for the 'T' dimension
547    o add CF-style coordinate variables to MNC
548      - just a first cut:  numbers are meaningless on the cubesphere and
549        missing along the T axis but otherwise it works!
550    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
551    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
552    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
553      this is based directly on what the model compute, so that the content of
554      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
555    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
556    o clean up build options files for SunOS, in particular
557      - remove -traditional from xmakedepend
558      - change -xarch=v9 to -xarch=native for f77
559      - restore use of make (not gmake)
560      - add CC=gcc if using g77
561    o changes per discussion of AM, JMC, & EH3 today:
562      - move redundant "grid" variables out of "state" -- in preparation of
563        creating proper CF-style coordinate variables and in recognition
564        that any/all grid variables can be easily copied (eg. w/NCO) from
565        the grid files into any of the other NetCDF files
566      - *always* output grid variables with MDSIO (this will eventually be
567        changed)
568      - output MNC grid file if useMNC is true
569    o every instance of _END_MASTER() has been found and replaced with
570      _END_MASTER( myThid ) in order to satisfy certain picky Sun
571      preprocessors
572    o re-arrange diagnostics pkg initialisation:
573     - allow each package to extend the available diagnostics list
574     - add some checking and fix small problems (multi-threaded, ...)
575     - new S/R diagnostics_fill (replace fill_diagnostics):
576       look through the short list of active diag. (instead of the long list)
577       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
578    
579    checkpoint57a_post
580    o this set of changes restores TAMC compatibility
581      tested for global_ocean.90x40x15 adjoint on trough
582      (what a pain)
583    
584    checkpoint57a_pre
585    o some modifs in tools/build_options for sunos
586    o call ctrl_pack for ctrl at end for optimcycle=0
587    
588    checkpoint57
589    o add horizontal bi-harmonic viscosity for vertical velocity
590      - new parameter viscA4W (defaults to viscA4)
591      - affects only non-hydrostatic code
592      - to be done: no-slip lateral boundary conditions
593    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
594    o implement Implicit Vertical advection for pTracers
595    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
596      (implemented also for implicit vertical diffusion & advection)
597    o OBCS: extend application of tracer open boundary conditions
598      to a strip beyond the boundary of width Olx/Oly
599    o add call monitor to TAF set of required calls (flow directives)
600      and include in natl_box_adjoint
601    o untangle a few ifdefs related to cost, ctrl, autodiff
602      untangel a few ALLOW_ECCO_OPTIMIZATION
603    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
604      (theta2, salt2 in ecco_cost_weights)
605    
606    checkpoint56c_post
607    o OBCS as control variables
608      - update ctrl_ad_diff.list, obcs_ad_diff.list
609      - remove balance of obcs controls from default
610      - fix index bug nobcs in ctrl_init
611      - fix dummy fields filen in ctrl_pack
612      - add dummy weights for obcs
613    o lsopt: comment out fort.94 output
614    o optim:
615      - remove unnecessary header files
616      - adjusted namelists
617      - add xerbla.F to Makefile
618    o exf:
619      - multiple modifications of exf_check_range
620      - unit change in exf_init_runoff from [m/year] to [m/s]
621    o mdsio:
622      - i/o-vector change debugLevel from debLevA to debLevB
623    
624    checkpoint56b_post
625    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
626      is called from DO_THE_MODEL_IO
627      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
628      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
629      - clean up PTRACERS_WRITE_TIMEAVE a little
630    o add another verification experiment that tests both the cfc-pkg and
631      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
632      reactive tendencies treated inline with regular timestepping
633    o testreport previously did a lousy job of comparing small numbers, so
634      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
635      implemented in the little c-progam tmp_cmpnum.c which is embedded in
636      testreport.
637    o ptracers_monitor: bug fix for MPI
638    
639    checkpoint56a_post
640    o GCHEM: finish reorganizating the package
641      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
642        (introduces another 3D-array for each passive tracer, but only if
643        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
644        gchemTendency is not needed because the timestep is done separately)
645      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
646      - GCHEM is now---more or less cleanly---separate from PTRACERS
647      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
648        so clear to me how that should be done in a general way.
649    o CFC: improve formatting of output in CFC_ATMOS
650    o PTRACERS:
651      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
652        that ALL experiments with ptracers enable can be checked. This makes
653        GCHEM_MONITOR obsolete.
654      - include a runtime parameter PTRACERS_monitorFreq that defaults to
655        monitorFreq
656      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
657    o add PTRACERS (PTR0[1-5]) to testreport output
658    o exf_check_range:
659      * default changed to .TRUE.
660      * will check values for niter0 if debLevA, every timestep if debLevB
661      * STOP in exf_check_range if 'out of range'
662      * range chosen generous to allow for potential extema
663      TBD: a version with stricter range
664           permitted range would be runtime parameters
665    o GMredi:
666      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
667      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
668      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
669    o GCHEM:
670      - move call to GCHEM_FORCING_SEP, so that it is now called before
671        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
672      - introduced a useGCHEM runtime flag and applied it everywhere.
673      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
674        this flag is now only visible within GCHEM-pkg routines.
675      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
676        be replaced by a 3D array that is computed before thermodynamics; for
677        this, the tracer ID iTracer had to be included into the parameter list
678        of ptracers_forcing
679      - set up forward_step to call gchem_forcing, that will replace
680        gchem_forcing_int in ptracers_forcing
681      - cleaning up
682    o small cleaning of exch2: remove files that are also in eesupp/src
683    
684    checkpoint56
685    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
686    o mnc: cleanup "full" files--fixes out-of-memory problem
687    o ECCO-GODAE
688      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
689      * fully merged and updated from SIO code
690        windstress sign change affects
691        - exf_inscal_[u/v]stress
692        - sign of xx_tau[u/v] adjustments
693        - signs in cost_scat
694      * ctrl_get_gen: avoid update of tau[u/v] for first few days
695      * natl_box_adjoint updated and compressed
696      * 2-level checkpoint switch added
697        (tested in EXP. 1 of natl_box_adjoint)
698      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
699    o SVD
700      * first complete, non-hacked version for SVD calculations
701      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
702        performed via direct access files admtlm_vector.it????
703        (via ctrl_[un]pack)
704      * optimcycle is used for ARPACK iteration counter
705        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
706      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
707        and add linear transforms where necessary
708      * controls are initial/final SST, SSS (can be extended; need to check
709        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
710    o mdsio: filename info to both stderr, stdout
711    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
712      from sign change
713    
714    checkpoint55j_post
715    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
716      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
717    o add consistent build directories and .cvsignore files to verification
718    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
719    o make all subroutines 30 or less characters in length for certain older
720      compilers to work (a thorough search only turns up two routines in
721      pkg/ptracers)
722    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
723      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
724    
725    checkpoint55i_post
726    o change arrays for total vertical diffusivity (2.D if explicit,
727      3.D if implicit) ; each ptracer uses its own background value.
728    o added mnc/NetCDF output capability to ocn_compon_interf
729      - added bits to verification/cpl_aim+ocn so that it can run on
730        ITRDA and other clusters without the mpirun "-wd" option
731    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
732      configuration
733    o give MNC the ability to create additional files rather than
734      exceeding a specified file size limit "MNC_MAX_FILESIZE"
735      - the default is just less than 2GB which is a practical limit
736        on many systems
737    o Compute the non-local term using either KPP vertical diffusivity (=default)
738       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
739    
740    checkpoint55h_post
741    o add verification test "vermix"
742    o remove all the *_ioinc flags and replace with the single global
743      outputTypesInclusive flag
744    o allow to set a vertical profile of vertical diffusivity for T & S
745    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
746    o useMNC moved from data.mnc to data.pkg
747    
748    checkpoint55g_post
749    o Renaming carbon AD experiments to comply with testreport conventions
750    o Updating adjoint of Held-Suarez hs94.1x64x5
751    o Fixing directives for non-ECCO forward_step, after ECCO directives
752      have been fixed to avoid recomp. of do_oceanic_phys
753      Works well for global_ocean.90x40x15,
754      but recomp. issue remains for carbon
755    o Updating adjoint output for natl_box_adjoint after
756      pkg/ecco has been modified (see taga c55d_post)
757    
758    checkpoint55f_post
759    o rename to timeave_init_fixed
760    
761    checkpoint55e_post
762    o some delicate re-shuffle of store directives to avoid one
763      extra call of do_oceanic_physics
764      affects ecco_the_main_loop.F, do_oceanic_physics.F
765      checkpoint_lev1_directives.h
766    o NB: this may break global_ocean adjoint temporarily,
767      but it is clear how to fix it. Will do later, need this now.
768    
769    checkpoint55d_post
770    o ECCO specific cost function terms (up-to-date with 1x1 runs)
771    o ecco_cost_weights is modified to 1x1 runs
772    o modifs to allow observations to be read in as
773      single file or yearly files
774    o enable to read exf forcing fields as either
775      single file or yearly files (flag useExfYearlyFields)
776    checkpoint55d_pre
777    
778    o switch between 2-level and 3-level checkpointing
779    o add ability of MNC to write local and "partial" (eg. 2D slices where
780      the full 3D field is never actually stored) arrays to NetCDF files
781      with the correct (that is, the complete multi-dimensional) set of
782      array indicies
783      - used in mom_vecinv() to write the diagFreq output
784      - tested (demonstrated) in verification/aim.5l_cs
785    o further mnc-ification
786      - add verification/lab_sea to the list with mnc setups
787      - fix undefined mnc v-names in cd_code
788      - add kpp to mnc output (both snapshot and timeave)
789    o non-hydrostatic code
790      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
791        in calc_gw.F
792      - defaults to viscAh
793      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
794        friction or Leith) in non-hydrostatic mode, as long as there is
795        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
796    o pkg/cost
797      extend simple cost functions to treat time mean quantities
798      (T,U,V) via cost_accumulate_state from cost_tile
799    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
800        be 2 times larger than the minimum size the advection scheme requires.
801        now get a perfect conservation of salt in advect_cs test-exp (updated)
802    o GGL90 (Gaspar's TKE mixed layer)
803      - add horizontal diffusion of TKE, requires exchanges in
804        do_fields_blocking_exchanges, horizontal diffusivity is zero by
805        default. In OPA there is no horizontal diffusion of TKE but the
806        mixing coefficients are computed from a horizontal average of TKE of
807        6 points or so. I think that diffusion has a little more physical
808        justification.
809      - clean up ggl90_calc in the hope of reducing memory usage (this hope
810        was in vain)
811      - mask tke-variable in ggl90_init
812    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
813    o fix biharmonic diffusion on CS-grid.
814    o more obcs stuff
815      - added obcs_external_fields_load as an alternative to the EXF-pkg option
816        for reading boundary values. This routine is called from
817        obcs_prescribe_read
818      - updated obcs_check
819      - changed sponge layer relaxation parameter units for days to seconds
820      - turned off sponge layer by default
821      - changed argument list of OBCS_CALC to myTime+deltaTclock
822      - fixed about 35 bugs in obcs_external_fields_load
823    
824    checkpoint55c_post
825    o obcs stuff
826      - new runtime flags useOBCSprescribe, useOBCSbalance
827      - re-arranged obcs_calc
828      - moved exf_getobcs to obcs_prescibe_read
829        obcs_prescibe_read is called after ORLANSKI stuff
830        and independent of it (executable can contain all).
831      - updated obcs_check
832      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
833        These may be necessary only if tangential velocities are
834        prescribed at OB, not sure, needs testing.
835    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
836      which simplifies the calls and passes the ifc check-bounds test
837    
838    checkpoint55b_post
839    o add a 2D scalar, Z location, exchange_2 routine.
840    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
841      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
842      affects advect_cs results (for the wrong reason): update output.txt
843    o use a more standard discretization for biharmonic viscosity ;
844     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
845      affects results of dome set-up: update output.txt
846    o fix gad_advection.F (CubedSphere part), back to version 1.23
847    o fix bug in mom_vi_del2uv.F (CubedSphere part).
848    
849    checkpoint55a_post
850    o merged code to
851      * prescribe/read time-dependent open boundaries
852        (works in conjunction with exf, cal)
853      * sponge layer code for open boundaries
854      * each boundary N/S/E/W now has its own CPP option
855        (healthy for the adjoint)
856    
857    checkpoint55
858    o up-to-date adjoint of previous breaks
859      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
860      - global_ocean_ebm: adjoint still needs fix (TLM ok)
861      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
862      - carbon: * remove tr1-related adjoint verification
863                * add ptracer as control variable
864    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
865      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
866    
867    checkpoint54f_post
868    o in verification/carbin/ remove experiment related to
869      ALLOW_PASSIVE_TRACER (array tr1 etc)
870      code_ad/ input_ad/ results_ad
871    
872    o add two new packages
873      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
874        + subject to optimization (memory)
875      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
876        + subject to reordering (many GOTOs in the original code)
877        + so far opps is called for every (i,j) point, and then operates in
878          the vertical; one may want to reorder the scheme in order operate in
879          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
880          fields)
881    o overhaul of IO so that we now have flags for MDSIO and/or MNC
882      - all verification tests compile and run with linux_ia32_g77
883      - defaults are compatible with current input files--nothing
884        should change if you were not previously using MNC
885      - MNC output has been added in numerous places (eg. timeave)
886        but there are still a few writes not yet do-able with MNC
887        (this is in progress)
888      - flags now allow for either/or/both use of MDSIO and MNC and
889        documentation will soon follow
890      - numerous small formatting cleanups for ProTeX
891    o add version info (via BUILD_INFO.h) to MNC and stdout
892    
893    checkpoint54e_post
894    o add two new packages
895      - pp81 (Packanowski and Philander, 1981), Richardson number and
896        stratification dependent mixing
897      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
898      - these scheme operate in a similar manner as KPP (without ghat, of
899        course), however there is only one diffusivity that is used for both
900        temperature and salinity (and passive tracers)ç
901    o add offline package
902    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
903      provided by Stephanie Dutkiewicz
904    o genmake2: add ability to search for C compilers and cleanup test output
905      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
906    
907    checkpoint54d_post
908    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
909    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
910      leading to additional shift by 5 days each year of integration
911       (i.e. leading to considerable offset over the years)
912    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
913    o start with no AB and no initial filtering (staggerTimeStep):
914      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
915    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
916      (external loading & cpl import/export stay in forward_step.F)
917    o update coupling interface to work with new staggerTimeStep
918    o change MDSIO ptracers_pickup.
919    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
920    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
921    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
922    
923    checkpoint54c_post
924    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
925      this affects (truncation error) output.txt of test-exp:
926       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
927    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
928    o change Qnet to always be the net heat flux, (+upward).
929      affects (truncation error) output of natl_box exp.: updated
930    o define the max number of passive tracers in PTRACERS_SIZE.h
931    o start to test mnc routinely in exp0
932    o add sea-ice loading (sIceLoad) as a new forcing field.
933    
934    checkpoint54b_post
935    o add testreport "-j JOBS" option for parallel builds (tested and pretty
936       impressive on Altix and Opteron systems)
937    o diagnostics can now write NetCDF files through the mnc package
938    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
939    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
940    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
941      affects (truncation error) output of lab_sea & natl_box exp.: updated
942    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
943    
944    checkpoint54a_post
945    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
946    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
947    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
948    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
949      + internal_wave (shift in writing cg2d_ini_res)
950    checkpoint54a_pre
951    
952    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
953      - modified verification/lab_sea and natl_box_adjoint accordingly
954    
955    checkpoint54
956    checkpoint53g_post
957    o prepare splitting of thermodynamics: store convect.counter in common block
958    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
959      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
960    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
961    o new parameter "nShapS": allow to treat differently S from T (nShapT)
962    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
963    o restore adjointability
964    
965    checkpoint53f_post
966    o modifications that affect AIM experiment results (update output.txt):
967      - no advection of S at top interface Nr (pkg/generic_advdiff)
968      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
969    o AIM pkg:
970      - include stability function into surf.Flux derivative relative to Tsurf
971      - calculate clear-sky radiation & surface temp. change (for diagnostics)
972    
973    checkpoint53e_post
974    o merged cylindrical coord configuration
975    o added rotating_tank experiment
976    checkpoint53e_pre
977    
978    checkpoint53d_post
979    o faulks upgraded: re-generate output.txt that have changed:
980       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
981    o Added Bryan and Lewis, 1979, vertical diffusivity profile
982    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
983    o added Sadourny discretization of Coriolis
984      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
985      - re-enabled use of omega3 (useAbsVorticity)
986    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
987      vector-invariant equations
988      - note: does *NOT* yet use same variable visc. for no-slip BC's.
989    o recoded the lateral boundary conditions for non-hydrostatic w, this time
990      hopefully without new bugs
991      - still to do: biharmonic friction for non-hydrostatic w
992    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
993    o regenerated output for global_ocean_ebm (using -ieee)
994    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
995      of mom_common/
996      - simple re-arrangement of instructions within computing loop
997    checkpoint53d_pre
998    
999    checkpoint53c_post
1000    o new version of coupler for AIM+thSIce and Ocean models
1001     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1002     - land: change Evaporation of snow
1003     - aim with thSIce: fix bug in snow-precip.
1004    o changes to calc_gw.F
1005     - bug fix for w^2 term near the bottom boundary
1006     - (hopefully) improve the lateral slip boundary condtions for use with
1007        partial/looped cells
1008      - because the bug fix changes two verification experiments anyway (exp5
1009        and plume on slope), change the lateral boundary condition from half slip
1010        to the value of no_slip_sides
1011    o ebm package wasnt quite up to the parallel task. Fixed that.
1012    o Adjoint of EBM package + verification
1013      * TLM OK
1014      * ADM not sufficient accuracy yet (needs further testing)
1015    
1016    checkpoint53b_post
1017    o Commiting new energy balance model to repository
1018      * package is pkg/ebm
1019      * verif. is verification/global_ocean_ebm
1020      * references are in ebm_driver.F
1021    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1022    C        Global thermohaline circulation. Part I:
1023    C        Sensitivity to atmospheric moisture transport.
1024    C        J. Climate 12(1), 71-82
1025    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1026    C        Global thermohaline circulation. Part II:
1027    C        Sensitivity with interactive transport.
1028    C        J. Climate 12(1), 83-91
1029    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1030    C        Destabilization of the thermohaline circulation
1031    C        by atmospheric eddy transports.
1032    C        J. Climate 7(12), 1870-1882
1033    o Will need long integration testing.
1034  checkpoint53b_pre  checkpoint53b_pre
1035    
1036  o created pkg/mom_common in preparation for variable viscosity code  o created pkg/mom_common in preparation for variable viscosity code

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