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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.629 by mlosch, Tue Mar 14 11:41:17 2006 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o seaice: modify advection so that it works also on the C-grid
8    
9    checkpoint58b_post
10    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
11      update output.txt of exp. aim.5l_cs.thSI
12    o various mnc cleanups and improvements:
13      + shrink lookup tables by factor of ~4
14      + better error reporting when running out of lookup space
15      + able to handle longer path/file names (up to 500 chars)
16    o adjoint:
17      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
18      - TBD: "hidden" mom_vecinv recomp. in dynamics
19    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
20     (allow to differentiate between forcing components using new integer flags:
21      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
22     and add new flag to put Dissipation tendency out of Adams-Bashforth.
23    o ecco
24      - enable trend removal from SSH anomaly obs.
25    o adjoint
26      - a fix for PmEpR when #undef EXACT_CONSERV
27      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
28      - try to fix "hidden" recomp. in forward_step for NLFS
29        (NLFS seems broken sometimes after I checked it in)
30    o seaice:
31     - add c-grid version of the dynamic solver:
32       + three new routines that are the c-grid substitute lsr, dynsolver
33         and ostres
34       + put a few fields that were local to dynsolver into global common
35         blocks, so that I can move the computation of stresses etc into
36         seaice_lsr (saves coding but may break the adjoint).
37     - replace more hardwired parameters by runtime parameters
38     - add ice masks that mask the rhs of the implicit solvers where there
39       is no ice (commented out in seaice_dynsolver, because i am not sure
40       if this works properly), eventually this should replace the clipping
41       of ice velocities in seaice_dynsolver to +/-40cm/s.
42    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
43      include it only where its needed
44    o move balancing of fluxes before the call of external_forcing_surf
45    o seaice:
46      - correct units of turning angles (now they are really in degrees)
47      - move computation of GWATX/Y out of main routine into dynsolver
48      - initialize GWATX/Y in seaice_init
49    o Apply mask on Fresh-Water flux (needed for SSH forcing).
50      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
51    o seaice: add runtime flags for turning angles (default to zero)
52    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
53      and trend from exf forcing and ctrl control adjustments
54    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
55      (since checkpoint57x_post)
56    o change the default rotation period to 86164.s = the Earth rotation
57    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
58      and based on a reference stratification. Tested within hs94.cs-32x32x5.
59    o seaice advection: add code for choosing between the default (2nd order
60      central differences) and multiDim advection schemes provided by
61      pkg/generic_advdiff
62    o seaice:
63      - removed all references to SEAICE_GRID.h fields from
64        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
65        (cubed-sphere configuration will change a little)
66      - grid computations in seaice_init are obsolete now.
67      - cleaned up code a little so that is easier to read (hopefully).
68      - added new (better?) discretizations of default advection and diffusion
69        (turn on with SEAICEuseFluxForm)
70      - replace 1 in 3d global fields by kSurface in growth.F
71      
72    checkpoint58a_post
73    o seaice:
74      - bug fix in advect.F
75    o shelfice:
76      - separate shelfice load anomaly from pload (breaks with time
77        dependent forcing), => introduce constant field shelficeLoadAnomaly.
78        Its default is 0., but it may be computed more cleverly from (unknown)
79        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
80        done offline. A good approximation of the pressure load anomaly is
81        necessary to avoid large initial adjustment processes underneath
82        deep-reaching shelfice.
83      - small fix in ISOMIP shelfice_thermodynamics
84      - add more sophisticated thermodynamics of Hellmer (1989), this is
85        now the default
86      - give a few constants more intuitive names
87    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
88      if bulk formulae are used in long integration (especially EmPmR). Turn
89      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
90      if balancePrintMean, the imbalance that is substracted is printed to
91      STDOUT.
92    o fix bug (typo) in obcs_apply_eta.F
93    o add a new package shelfice which enables us to model the circulation
94      underneath shelf-ice with draughts of hundreds of meters.
95     - works
96     - to do: + include improved thermodynamics
97              + check whether kSurfC (from model/inc/SURFACE.h) can be used
98                instead of new field kTopC
99              + can we use topoFile, Ro_surf and existing code in ini_depth.F
100                instead of new field R_shelfIce and new code in ini_depth.F
101                and ini_mask_etc.F?
102              + adjust vertical mixing schemes?
103    o seaice pkg:
104     - add a cpp-flag to include a simple formula for a salinity dependent
105       freezing point of sea water at the surface
106     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
107       meridional stresses are now different (and hopefully correct)
108    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
109       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
110       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
111    o pkg/diagnostics: add options and parameters for regional-statistics
112       diagnostics ; define regions by reading a region-mask from a file
113       (might add other options later)
114    o pkg/bulk_force:
115     - add option and parameters to use AIM surface-flux formulae.
116     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
117       others forcing fields (defined in PARM05, parameter file "data") are loaded
118       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
119     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
120     - use the right EXCH call for uwind,vwind (to work on CS-grid).
121     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
122       and parameters (note: calcWindStress replaces .NOT.readwindstress).
123     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
124    
125    checkpoint58
126    o add "--embed-source" option to genmake2 which, when the supporting
127      tools can be compiled (as determined by genmake2) will turn on the
128      embed_files package which then embeds the entire MITgcm source code
129      (*.[fFhc] + Makefile) used for the build within the executable
130      - requested by CNH but off by default
131      - adds a paltry <9MB to the mitgcmuv executable in most cases
132      - only writes the output when useEMBEDSRC in eedata is true
133    o clean up 3-dim. relaxation codes:
134      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
135      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
136      * Thanks to Tom Haine for testing!
137    
138    checkpoint57z_post
139    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
140      affects output (@ truncation level) of exp. plume_on_slope ; updated.
141    o fix the pickup behavior for obcs in combination with ptracers
142    o fix a bug in ptracers_external_fields_load
143    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
144      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
145    o transfered surface NH pressure to eta field (if exactConserv).
146    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
147         and update lab_sea output.txt file.
148    o completing 3-dim. relaxation code: additional term
149         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
150      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
151      * At compile time, in "EXF_OPTIONS.h" set
152          #define  ALLOW_CLIMTEMP_RELAXATION
153          #define  ALLOW_CLIMSALT_RELAXATION
154      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
155          tauThetaClimRelax3Dim = 15552000.0,
156          tauSaltClimRelax3Dim  = 15552000.0,
157      * 3 cases:
158          1) Use a constant-in-time 3-dim. field
159          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
160          3) Real-time relax. to time-evolving prescribed field
161    o Adding Laplacian-type smoothness constraint on
162      initial and boundary (forcing) controls (ic, bc)
163      * enable at compile-time via
164        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
165      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
166      * Absolute scale somewhat unclear so far
167      * no area weighting was included since no other cost term does so far
168    
169    checkpoint57y_post
170    First step for a NLFS adjoint
171    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
172    o new init. routines for calc_r_star, calc_surf_dr
173    o still need to deal with ini_masks_etc
174    o testreport seemed happy
175    checkpoint57y_pre
176    
177    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
178    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
179    o add new offset feature to offline pkg (plus minor cleanup)
180    o cfc fixes for final year of integration
181    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
182      be in GCHEM_OPTIONS).
183    
184    checkpoint57x_post
185    o fix testreport Pb in multiple test experiment.
186    o cleanup our namelist syntax in verification:
187      - make it more F95 standards compliant (some work still needed)
188      - allows the vast majority of our tests to work with gfortran
189    o Non-Hydrostatic:
190     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
191     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
192    o Allow to apply AB on T,S rather than on AB(gT,gS):
193     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
194     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
195       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
196     - need a "clever" read_pickup to restart from the other AB formulation
197    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
198    o remove some unused variables (reduces number of compiler warnings)
199    o adjoint
200      * Disable useVariableViscosity for adjoint for time being
201        (there are a number of extensive recomputations)
202      * Initialize certain variables needed for adjoint
203    
204    checkpoint57w_post
205    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
206                 fix the singleCpuIO RS version of MDSWRITEFIELD
207       and add a WARNING if using globalFiles=T with multi-processors.
208    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
209      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
210    o tracer advection scheme:
211      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
212       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
213       was not very convenient).
214      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
215       (further tests needed for the implicit DST & Flux-Limiter schemes).
216    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
217      and sRef for convenience, handy, when you want to initialize
218      ptracers in a large domain with a constant non-zero value. Also,
219      untangle ptracers_init.F a little.
220    
221    checkpoint57v_post
222    o change dome exp. to use variable viscosity in side-drag terms.
223    o remove all the files from the cfc_offline test since they are now
224      incorporated into tutorial_cfc_offline which has been producing
225      identical results for a few days of testing
226    o add new parameter: sideDragFactor to enable half-slip-side BC
227      and change side-drag S/R to use viscosity from mom_calc_visc
228      (can switch back by setting sideDragFactor=0.); affects results at
229      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
230       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
231    o vorticity & strain are now computed without masking, to account for
232      no-slip-side BC in variable viscosity calculation ; mask is applied
233      anyway later on, before computing advection/coriolis terms.
234    o modify exp4 to test new obcs support for reading from external files
235      and for passive tracers
236    o fix behavior of ptracers_monitor when monitor output is written to a
237      netcdf-file; still not independent of monitor.F (writes in the same
238      file).
239    o change default value of tRef (put a uniform, meaningful value for ocean
240      & atmos) and initialize sRef (was missing, as Martin mentioned).
241    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
242      to be proportional to enstrophy dissipation length.  Thus,
243       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
244      This is now consistent with Smagorinsky and with the manual.
245    
246    checkpoint57u_post
247    o OBCS and PTRACERS: add open boundary support for passive tracers
248      - either use homogenous (pseudo) v.Neumann conditions or prescribe
249        OB-values from file; this is not different from the way theta and salinity
250        are treated
251      - however, Orlanski-radiation conditions are not supported, and the model
252        will stop if you use pTracers and Orlanski at the same time.
253      - beefed up the rountine obcs_external_fields_load: now only those open
254        boundary values are overwritten with values from files for which there
255        are really files, otherwise the OB-fields remain untouched. This makes
256        it possible to use different OBs at different ends of the domain (as
257        with EXF)
258    o reduce number of exch calls in shap_filt (s2).
259    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
260      truncation level) 4/5 MLAdjust test results (11&12 digits match).
261    
262    checkpoint57t_post
263    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
264    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
265      same truncation, independent of the face number: affects affects several
266      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
267    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
268      note that biharmonic viscosity + no-slip was not tested in any experiment.
269    o fix bug in non-linear free-surf side-drag ; generate new output for
270      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
271    o make mnc honor the writeBinaryPrec flag for most kinds of output
272    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
273    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
274      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
275    o add brackets in multi-terms sum to get same truncation, independent of
276      the face number (manage to get exactly same value of gU,gV at the cs-edge)
277      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
278    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
279      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
280      a maximum grid-scale Reynolds number.  Also, changes all length calculations
281      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
282      Suggested values of viscosity parameters found in mom_calc_visc.
283      Many new viscosity diagnostics available.
284    
285    checkpoint57s_post
286    o Add clearing-house for viscosity calculations, mom_calc_visc and
287      correct numerous bugs in LeithD and Smagorinsky discretizations.  
288      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
289      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
290      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
291      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
292      The Strain-Tension form is now called with useStrainTensonVisc=.true.
293      ViscAhStrain and viscAhTension are now retired.
294    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
295    o In response to JMC's bug report, genmake2 now ignores any soft-links
296      that it finds in the *current* directory when searching for files.
297      Soft-links found in any other source directories will still work as
298      they did before.
299    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
300      a C routine to unlimit the stack size
301    o mnc-ify pkg/aim snapshot vars
302    o mnc-ify pkg/land as requested by Daniel
303    o various changes to mnc including:
304      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
305      - output can now be grouped so that all files within a group
306          change the ITER portion of their names in lock-step together
307      - can now read ("global") PER-FACE (in addition to PER-TILE) files
308          and works with both EXCH1 and EXCH2 (but needs more testing)
309      - writing works for all verification test cases w/ g77 on Linux
310    
311    checkpoint57r_post
312    o make MNC variable initialization happen earlier
313    o add diagnostics for (almost) each term of the momentum Eq.
314    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
315    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
316    o remove MINIMAL_TAVE_OUTPUT option ;
317      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
318    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
319      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
320    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
321    o add time-dependent SST, SSS control
322    o cost terms in ecco/ modularized (new cost_generic.F)
323    o cost_averages routines are modularized (new cost_averagesgeneric.F)
324    o new infrastructure for seaice model vs. obs misfits in seaice/
325      * driver from the_main_loop.F is seaice_cost_driver.F
326      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
327      * gradient check in Exp. 6a of natl_box_adjoint/
328    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
329      (see README file)
330    
331    checkpoint57q_post
332    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
333    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
334      - bug was reported by Jean-Michel and Ian Fenty
335    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
336      update exp. cpl_aim+ocn output.
337    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
338      Needed for high-res. runs with large global files
339      to be able to limit tapelev size
340    o Changed some tests for adjoint:
341      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
342      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
343      * global_ocean.90x40x15/ back to default 3-level checkpointing
344    o Modifications to enable scripted COMMON to MODULE conversion
345      * verification/OpenAD/code/ has necessary scripts and description;
346      * converts, compiles and runs successfully;
347    
348    checkpoint57p_post
349    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
350    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
351      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
352    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
353    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
354      (was already the case for dissipation with mom_vecinv,
355       and also the case for grad.PhiHyd when staggered-timeStep)
356      This will allow to put dissipation out-off the AB time-stepping.
357     Unfortunately, affects truncation error. Update output of exp. that "fails"
358      (cg2d matching number) and leave the others for later: front_relax(10),
359      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
360      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
361    
362    checkpoint57o_post
363    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
364      (2) its ready to be documented during the 20050801 DocFest
365    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
366      for ideal_2D_oce and lab_sea on linux_ia32_g77
367    o set to #undef CTRL_SET_OLD_MAXCVARS_30
368      in global1x1_tot/code_seaice_adj to access indices 32, 33
369      (worth another tag)
370    
371    checkpoint57n_post
372    o adding precip control xx_precip 32
373    o adding swflux control xx_swflux 33
374    o Replacing 10 forcing penalty cost routines by 1 generic.
375    o Implementing partitioning in time-mean and variable adjustment
376      for atmos. state.
377    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
378    o in natl_box_adjoint:
379      * updated exp 1 to 10
380        (but does not have time-mean vs. variable split results yet)
381    o updated global1x1/*_seaice_adj/
382      to incorporate latest changes
383    o enable useSingleCpuIO for mdsio vector routines
384      (applies in particular to tapelev I/O)
385    o removed inefficient K-loop in all active_file*control*.F
386    
387    checkpoint57m_post
388    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
389      and advect_cs (use EXCH-2 and standard cs-32 grid files).
390    o pkg/exch2: filling of face-corner halo regions is optional
391      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
392    
393    checkpoint57l_post
394     tag before updating tutorials (pre-release-2)
395    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
396       for output and interpolation of input fields onto model grid)
397    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
398       Affects results of exp. rotating_tank ; update output.txt.
399    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
400          and taking the square quantity and/or using a fraction-weight field.
401    o fix aim_diagnostics_init.F mate numbers.
402    o add mnc output capability to diagnostics/diagstat and update
403      our cvsignore files for the ACSII output generated
404    
405    checkpoint57k_post
406    o lab_sea now uses diagnostics package and provides a suite of
407      new EXF diagnostics output.
408    
409    checkpoint57j_post
410    o exf
411      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
412        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
413        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
414      * extended diagnostics output
415        - now includes all EXF variables
416        - hs, hl moved to common block
417        - separate S/R for diagnostics, called after ctrl vector is added
418        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
419        - EXFqnet contains true Qnet (i.e. includes qsw)
420      * updated verif. lab_sea, global_with_exf
421      * Rearranging hflux (exf_mapfields -> exf_getforcing)
422        to ensure that diagnostics sees a true EXFqnet
423    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
424    o diagnostics pkg: change pointers so that 1 diagnostic can be used
425      several times with different frequencies.
426    o mnc-ify the thsice package as requested by Daniel Enderton
427      - the monitor--MNC output needs work
428      - many attributes need to be added (most are currently blank)
429    o mnc-ify theaim_v23 package as requested by Daniel Enderton
430      - many attributes need to be added (most are currently blank)
431    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
432    o add Sadourny like discretization to the 4th.O vorticity advection scheme
433    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
434      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
435         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
436    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
437     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
438    
439    checkpoint57i_post
440    o Diagnostics package was changed: diagnostic allocation is now deactivated
441      by setting an empty file name in the namelist (used to be by setting 0 frequency)
442    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
443      add 1rst Order upwind vertical Shear.
444    o add a quick fix for A/B checkpointing in OFFLINE mode
445    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
446      end-run around the C/Fortran linking horror in eesup/src/timers.F
447    o added pkg/runclock: allows user to terminate run based on wall clock
448    o added non-hydrostatic scaling parameter: nh_am2
449    o pkg/my82: futile attempt to make results compiler-independent by adding
450      some "_d 0", etc. no effect.
451    o for mnc output, fill the 'T' coordinate var with myTime and create a
452      separate 'iter' variable for iteration count
453    o pkg/diagnostics:
454      add new capability: output of Global/Regional & per-level statistics ;
455      tested against monitor output (including land & thSIce) on various exp.
456    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
457    
458    checkpoint57h_done
459      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
460      data.diagnostics, data.gchem, data.ptracers) is done.
461    
462    o pkg/diagnostics: prepare for Global/Regional statistics.
463      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
464    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
465      and rename it: DIFFERENT_MULTIPLE
466    
467    checkpoint57h_post
468    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
469    o pkg/diagnostics: change output frequency, now in seconds (instead
470      of Nb of iterations). This requires to change data.diagnostics.
471    checkpoint57h_pre
472    
473    o in mnc, let the user create the output dir if both mnc_outdir_date
474      and mnc_outdir_num are false
475    o add fflags() to pkg/diagnostics which allows one to specify, on a
476      per-file basis, the file precision [default behavior is unchanged]
477    o added diagnostics to pkg/kpp, including computation of mixed layer
478      depth based on a temperature/density criterion
479    o updated verification/natl_box to test the new pkg/kpp diagnostics
480    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
481    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
482    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
483      not mnc -- this mistake was found by JMC and is now corrected
484    
485    checkpoint57g_post
486    o add Adams-Bashforth 3rd Order time stepping:
487      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
488      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
489    checkpoint57g_pre
490    
491    o make lambda[Theta,Salt]ClimRelax spatially varying
492      (default remains spatially uniform constant based on tau)
493    o added new control variables
494      * init. uVel, vVel, etanN
495      * lambda[Theta,Salt]ClimRelax
496    o separate masks used for ctrl_pack/unpack 'from write_grid' output
497      (suggested by G. Forget)
498    
499    checkpoint57f_post
500    o add parameter "baseTime" = model base time = time at iteration zero
501      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
502      account for baseTime shift
503    o move Coriolis arrays from PARAMS.h to GRID.h
504    checkpoint57f_pre
505    
506    o mnc-ifying the seaice package
507    o introduced an alternative length scale calculation for use in the limiting
508      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
509    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
510    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
511      as well as grad(vort3).  Made it compatible with both approximate form
512      for the cubed sphere and full form of these gradients.  Added flag
513      useFullLeith to select between approximate and full form.  
514    o add "d0" in getcon.F to reduce differences between compilers/platforms
515      update output.txt of exp. fizhi-gridalt-hs
516    o change port_rand funtion to allow to set the seed.
517    o fix obscure MNC bug involving conversion between reals and integers
518      - it caused no problems with certain (eg. gcc, ifc) compilers but the
519        new version is now more standards-compliant
520    o adjoint-related modifications
521      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
522      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
523      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
524    
525    checkpoint57e_post
526    o Adding eddy stress controls a la Ferreira et al.
527    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
528    
529    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
530      update output.txt of exp. fizhi-gridalt-hs
531    o add more "Z" dimensions and associated coordinate vars to MNC
532    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
533    o parameter calendarDumps: when set, approximate months (30-31 days) and years
534      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
535      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
536      months and years.  Requires pkg/cal.
537    o diagnostics: add pickup functionality
538      - off by default for backwards compatibility
539      - current version only uses MDSIO -- MNC will be added
540    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
541    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
542    
543    checkpoint57d_post
544    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
545    o modify verification/ideal_2D_oce so that it tests the creation of mnc
546      output from the diagnostics package
547    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
548    o make genmake2 more portable by using ".$FS" instead of ".f" for more
549      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
550    o add coordinate variables to the MNC output from the diagnostics package
551    o change MNC-flags default value: true when useMNC=TRUE
552    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
553      the ability (off by default) to read the grid information using MNC
554    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
555    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
556    o do snap-shot diagnostics at the middle of the time-interval (instead of
557      at the end).
558    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
559      new test for AIM with thSIce + slab-ocean
560    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
561    o move state variable diagnostics to the beginning of the time step ;
562      (note: still needs some work specially for snap-shot diagnostics)
563      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
564    
565    checkpoint57c_post
566    o Change testing option (-ieee) to get closer agreement between g77 & ifort
567    o generate new output.txt files on faulks with g77 & the new -ieee option
568    checkpoint57c_pre
569    
570    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
571      update output.txt of exp. global_ocean.90x40x15
572    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
573      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
574    o add saltFlux(+File) forcing capability with periodicExternalForcing
575    o allow to use pkg diagnostics for GM-Redi & ThSIce output
576    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
577    o improvements for the MNC output from DIAGNOSTICS:
578      - correct handling of the unlimitied dimension
579      - all dims now have associated coordinate variables
580      - variables located at U, V, and Corner ("Z") points are now written
581        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
582        *all* data points are output
583    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
584    o added pkg/seaice/seaice_monitor.F
585    o mdsio_readfield.F can now read files visible only to master MPI process.
586    o pkg/seaice: some test code for ice-modified ocean stress
587    o exf_getffields interpolation defaults to bilinear for all scalar forcing
588      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
589      spurious negative numbers for precipitation and humidity.  Will cause
590      some small numerical differences for integrations using pkg/exf/exf_interp.F.
591    o pkg/ctrl/
592      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
593        May be enabled via doPackDiag
594      *  introduce z-scaling of
595         + gradient (doZscalePack) and
596         + control (doZscaleUnpack)
597    o pkg/mdsio/
598      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
599      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
600    
601    checkpoint57b_post
602    o simplify options in diagnostics_fill arguments (remove weird combinations)
603    o fix MNC coordinate variables so that they now contain per-face index
604      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
605      general, EXCH2 grids are only aligned to a "local" coordinate system
606    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
607    o Implement instantaneous output within pkg diagnostics:
608      setting a negative frequency in data.diagnostics produces
609     "snap-shot" output (as opposed to time-average if freq > 0)
610    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
611      NOTE: change ptracer diagnostics name: use 2 characters to work with
612            more than 9 tracers. Add also diagnostics of advect & diffus flux.
613    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
614      becomes the coordinate variable for the 'T' dimension
615    o add CF-style coordinate variables to MNC
616      - just a first cut:  numbers are meaningless on the cubesphere and
617        missing along the T axis but otherwise it works!
618    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
619    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
620    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
621      this is based directly on what the model compute, so that the content of
622      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
623    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
624    o clean up build options files for SunOS, in particular
625      - remove -traditional from xmakedepend
626      - change -xarch=v9 to -xarch=native for f77
627      - restore use of make (not gmake)
628      - add CC=gcc if using g77
629    o changes per discussion of AM, JMC, & EH3 today:
630      - move redundant "grid" variables out of "state" -- in preparation of
631        creating proper CF-style coordinate variables and in recognition
632        that any/all grid variables can be easily copied (eg. w/NCO) from
633        the grid files into any of the other NetCDF files
634      - *always* output grid variables with MDSIO (this will eventually be
635        changed)
636      - output MNC grid file if useMNC is true
637    o every instance of _END_MASTER() has been found and replaced with
638      _END_MASTER( myThid ) in order to satisfy certain picky Sun
639      preprocessors
640    o re-arrange diagnostics pkg initialisation:
641     - allow each package to extend the available diagnostics list
642     - add some checking and fix small problems (multi-threaded, ...)
643     - new S/R diagnostics_fill (replace fill_diagnostics):
644       look through the short list of active diag. (instead of the long list)
645       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
646    
647    checkpoint57a_post
648    o this set of changes restores TAMC compatibility
649      tested for global_ocean.90x40x15 adjoint on trough
650      (what a pain)
651    
652    checkpoint57a_pre
653    o some modifs in tools/build_options for sunos
654    o call ctrl_pack for ctrl at end for optimcycle=0
655    
656    checkpoint57
657    o add horizontal bi-harmonic viscosity for vertical velocity
658      - new parameter viscA4W (defaults to viscA4)
659      - affects only non-hydrostatic code
660      - to be done: no-slip lateral boundary conditions
661    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
662    o implement Implicit Vertical advection for pTracers
663    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
664      (implemented also for implicit vertical diffusion & advection)
665    o OBCS: extend application of tracer open boundary conditions
666      to a strip beyond the boundary of width Olx/Oly
667    o add call monitor to TAF set of required calls (flow directives)
668      and include in natl_box_adjoint
669    o untangle a few ifdefs related to cost, ctrl, autodiff
670      untangel a few ALLOW_ECCO_OPTIMIZATION
671    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
672      (theta2, salt2 in ecco_cost_weights)
673    
674    checkpoint56c_post
675    o OBCS as control variables
676      - update ctrl_ad_diff.list, obcs_ad_diff.list
677      - remove balance of obcs controls from default
678      - fix index bug nobcs in ctrl_init
679      - fix dummy fields filen in ctrl_pack
680      - add dummy weights for obcs
681    o lsopt: comment out fort.94 output
682    o optim:
683      - remove unnecessary header files
684      - adjusted namelists
685      - add xerbla.F to Makefile
686    o exf:
687      - multiple modifications of exf_check_range
688      - unit change in exf_init_runoff from [m/year] to [m/s]
689    o mdsio:
690      - i/o-vector change debugLevel from debLevA to debLevB
691    
692    checkpoint56b_post
693    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
694      is called from DO_THE_MODEL_IO
695      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
696      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
697      - clean up PTRACERS_WRITE_TIMEAVE a little
698    o add another verification experiment that tests both the cfc-pkg and
699      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
700      reactive tendencies treated inline with regular timestepping
701    o testreport previously did a lousy job of comparing small numbers, so
702      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
703      implemented in the little c-progam tmp_cmpnum.c which is embedded in
704      testreport.
705    o ptracers_monitor: bug fix for MPI
706    
707    checkpoint56a_post
708    o GCHEM: finish reorganizating the package
709      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
710        (introduces another 3D-array for each passive tracer, but only if
711        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
712        gchemTendency is not needed because the timestep is done separately)
713      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
714      - GCHEM is now---more or less cleanly---separate from PTRACERS
715      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
716        so clear to me how that should be done in a general way.
717    o CFC: improve formatting of output in CFC_ATMOS
718    o PTRACERS:
719      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
720        that ALL experiments with ptracers enable can be checked. This makes
721        GCHEM_MONITOR obsolete.
722      - include a runtime parameter PTRACERS_monitorFreq that defaults to
723        monitorFreq
724      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
725    o add PTRACERS (PTR0[1-5]) to testreport output
726    o exf_check_range:
727      * default changed to .TRUE.
728      * will check values for niter0 if debLevA, every timestep if debLevB
729      * STOP in exf_check_range if 'out of range'
730      * range chosen generous to allow for potential extema
731      TBD: a version with stricter range
732           permitted range would be runtime parameters
733  o GMredi:  o GMredi:
734    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
735    - 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 738  o GCHEM:
738    - 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
739      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
740    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
741      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
742        this flag is now only visible within GCHEM-pkg routines.
743      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
744        be replaced by a 3D array that is computed before thermodynamics; for
745        this, the tracer ID iTracer had to be included into the parameter list
746        of ptracers_forcing
747      - set up forward_step to call gchem_forcing, that will replace
748        gchem_forcing_int in ptracers_forcing
749      - cleaning up
750  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
751    
752  checkpoint56  checkpoint56

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