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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.647 by mlosch, Wed Apr 5 21:27:19 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 mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
8      completeness
9    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
10      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
11    o ptracers adjoint:
12      * avoid extensive recomputatations
13      * fix missing re-init. of gptr (missed by TAF)
14    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
15      me to turn off the excessive output to STDOUT that this package produces
16    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
17      and add those terms in Vector-Invariant formulation.
18    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
19      if the control period (xx_hfluxperiod etc) is 0
20    o in profiles pkg, clean routines and fix details
21    o in ecco pkg, reading ssh data:
22      fix problem in case the model does not start at iter0=0
23    o fix mnc-pickup/restart for ptracers
24    o new package prifiles:
25      code to compute profile-based cost by Gael Forget
26      (modifs in ecco, ctrl, autodiff)
27    o Benign bug fix in initialization (spotted by M. Mazloff) of
28      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
29    
30    checkpoint58c_post
31    o adjoint: finish NLFS adjoint and provide reference output in
32      verification/global_ocean.90x40x15/results_ad_nlfs
33    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
34      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
35      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
36      with SEAICE_CGRID defined.
37    o move calendarDumps from "data" to "data.cal" and clean-up the code
38      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
39    o add useEXF & useCAL flags (for now, set in hard-coded way)
40    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
41      (were missing in NH mode, and wrong in quasihydrostatic mode).
42      waiting for Chris updated version of calc_gw to add those CALLs.
43    o fix bug in quasihydrostatic S/R ;
44      add a test for this option: global_ocean.90x40x15.qshyd
45    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
46      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
47    o add on/off flag useOffLine for package OFFLINE
48    o seaice:
49      - modify advection so that it works also on the C-grid
50      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
51        problem in multi-tile runs with C-grid
52      - add flags for clipping ice velocities and/or masking solver forcing
53      - fix drag (ocean on ice) formulation and a bug that caused noise in the
54        C-grid solver
55      - added a few comments to seaice_diffusion.F
56      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
57        are now exclusive)
58      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
59        required re-ordering the code a little:
60       + make DAIRN global variable (defined in SEAICE)
61       + move computation of the viscosities eta and zeta into a new separate
62         routine (because I need to recompute them in seaice_ocean_stress.F)
63    
64    checkpoint58b_post
65    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
66      update output.txt of exp. aim.5l_cs.thSI
67    o various mnc cleanups and improvements:
68      + shrink lookup tables by factor of ~4
69      + better error reporting when running out of lookup space
70      + able to handle longer path/file names (up to 500 chars)
71    o adjoint:
72      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
73      - TBD: "hidden" mom_vecinv recomp. in dynamics
74    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
75     (allow to differentiate between forcing components using new integer flags:
76      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
77     and add new flag to put Dissipation tendency out of Adams-Bashforth.
78    o ecco
79      - enable trend removal from SSH anomaly obs.
80    o adjoint
81      - a fix for PmEpR when #undef EXACT_CONSERV
82      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
83      - try to fix "hidden" recomp. in forward_step for NLFS
84        (NLFS seems broken sometimes after I checked it in)
85    o seaice:
86     - add c-grid version of the dynamic solver:
87       + three new routines that are the c-grid substitute lsr, dynsolver
88         and ostres
89       + put a few fields that were local to dynsolver into global common
90         blocks, so that I can move the computation of stresses etc into
91         seaice_lsr (saves coding but may break the adjoint).
92     - replace more hardwired parameters by runtime parameters
93     - add ice masks that mask the rhs of the implicit solvers where there
94       is no ice (commented out in seaice_dynsolver, because i am not sure
95       if this works properly), eventually this should replace the clipping
96       of ice velocities in seaice_dynsolver to +/-40cm/s.
97    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
98      include it only where its needed
99    o move balancing of fluxes before the call of external_forcing_surf
100    o seaice:
101      - correct units of turning angles (now they are really in degrees)
102      - move computation of GWATX/Y out of main routine into dynsolver
103      - initialize GWATX/Y in seaice_init
104    o Apply mask on Fresh-Water flux (needed for SSH forcing).
105      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
106    o seaice: add runtime flags for turning angles (default to zero)
107    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
108      and trend from exf forcing and ctrl control adjustments
109    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
110      (since checkpoint57x_post)
111    o change the default rotation period to 86164.s = the Earth rotation
112    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
113      and based on a reference stratification. Tested within hs94.cs-32x32x5.
114    o seaice advection: add code for choosing between the default (2nd order
115      central differences) and multiDim advection schemes provided by
116      pkg/generic_advdiff
117    o seaice:
118      - removed all references to SEAICE_GRID.h fields from
119        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
120        (cubed-sphere configuration will change a little)
121      - grid computations in seaice_init are obsolete now.
122      - cleaned up code a little so that is easier to read (hopefully).
123      - added new (better?) discretizations of default advection and diffusion
124        (turn on with SEAICEuseFluxForm)
125      - replace 1 in 3d global fields by kSurface in growth.F
126      
127    checkpoint58a_post
128    o seaice:
129      - bug fix in advect.F
130    o shelfice:
131      - separate shelfice load anomaly from pload (breaks with time
132        dependent forcing), => introduce constant field shelficeLoadAnomaly.
133        Its default is 0., but it may be computed more cleverly from (unknown)
134        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
135        done offline. A good approximation of the pressure load anomaly is
136        necessary to avoid large initial adjustment processes underneath
137        deep-reaching shelfice.
138      - small fix in ISOMIP shelfice_thermodynamics
139      - add more sophisticated thermodynamics of Hellmer (1989), this is
140        now the default
141      - give a few constants more intuitive names
142    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
143      if bulk formulae are used in long integration (especially EmPmR). Turn
144      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
145      if balancePrintMean, the imbalance that is substracted is printed to
146      STDOUT.
147    o fix bug (typo) in obcs_apply_eta.F
148    o add a new package shelfice which enables us to model the circulation
149      underneath shelf-ice with draughts of hundreds of meters.
150     - works
151     - to do: + include improved thermodynamics
152              + check whether kSurfC (from model/inc/SURFACE.h) can be used
153                instead of new field kTopC
154              + can we use topoFile, Ro_surf and existing code in ini_depth.F
155                instead of new field R_shelfIce and new code in ini_depth.F
156                and ini_mask_etc.F?
157              + adjust vertical mixing schemes?
158    o seaice pkg:
159     - add a cpp-flag to include a simple formula for a salinity dependent
160       freezing point of sea water at the surface
161     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
162       meridional stresses are now different (and hopefully correct)
163    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
164       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
165       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
166    o pkg/diagnostics: add options and parameters for regional-statistics
167       diagnostics ; define regions by reading a region-mask from a file
168       (might add other options later)
169    o pkg/bulk_force:
170     - add option and parameters to use AIM surface-flux formulae.
171     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
172       others forcing fields (defined in PARM05, parameter file "data") are loaded
173       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
174     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
175     - use the right EXCH call for uwind,vwind (to work on CS-grid).
176     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
177       and parameters (note: calcWindStress replaces .NOT.readwindstress).
178     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
179    
180    checkpoint58
181    o add "--embed-source" option to genmake2 which, when the supporting
182      tools can be compiled (as determined by genmake2) will turn on the
183      embed_files package which then embeds the entire MITgcm source code
184      (*.[fFhc] + Makefile) used for the build within the executable
185      - requested by CNH but off by default
186      - adds a paltry <9MB to the mitgcmuv executable in most cases
187      - only writes the output when useEMBEDSRC in eedata is true
188    o clean up 3-dim. relaxation codes:
189      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
190      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
191      * Thanks to Tom Haine for testing!
192    
193    checkpoint57z_post
194    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
195      affects output (@ truncation level) of exp. plume_on_slope ; updated.
196    o fix the pickup behavior for obcs in combination with ptracers
197    o fix a bug in ptracers_external_fields_load
198    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
199      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
200    o transfered surface NH pressure to eta field (if exactConserv).
201    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
202         and update lab_sea output.txt file.
203    o completing 3-dim. relaxation code: additional term
204         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
205      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
206      * At compile time, in "EXF_OPTIONS.h" set
207          #define  ALLOW_CLIMTEMP_RELAXATION
208          #define  ALLOW_CLIMSALT_RELAXATION
209      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
210          tauThetaClimRelax3Dim = 15552000.0,
211          tauSaltClimRelax3Dim  = 15552000.0,
212      * 3 cases:
213          1) Use a constant-in-time 3-dim. field
214          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
215          3) Real-time relax. to time-evolving prescribed field
216    o Adding Laplacian-type smoothness constraint on
217      initial and boundary (forcing) controls (ic, bc)
218      * enable at compile-time via
219        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
220      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
221      * Absolute scale somewhat unclear so far
222      * no area weighting was included since no other cost term does so far
223    
224    checkpoint57y_post
225    First step for a NLFS adjoint
226    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
227    o new init. routines for calc_r_star, calc_surf_dr
228    o still need to deal with ini_masks_etc
229    o testreport seemed happy
230    checkpoint57y_pre
231    
232    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
233    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
234    o add new offset feature to offline pkg (plus minor cleanup)
235    o cfc fixes for final year of integration
236    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
237      be in GCHEM_OPTIONS).
238    
239    checkpoint57x_post
240    o fix testreport Pb in multiple test experiment.
241    o cleanup our namelist syntax in verification:
242      - make it more F95 standards compliant (some work still needed)
243      - allows the vast majority of our tests to work with gfortran
244    o Non-Hydrostatic:
245     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
246     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
247    o Allow to apply AB on T,S rather than on AB(gT,gS):
248     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
249     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
250       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
251     - need a "clever" read_pickup to restart from the other AB formulation
252    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
253    o remove some unused variables (reduces number of compiler warnings)
254    o adjoint
255      * Disable useVariableViscosity for adjoint for time being
256        (there are a number of extensive recomputations)
257      * Initialize certain variables needed for adjoint
258    
259    checkpoint57w_post
260    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
261                 fix the singleCpuIO RS version of MDSWRITEFIELD
262       and add a WARNING if using globalFiles=T with multi-processors.
263    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
264      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
265    o tracer advection scheme:
266      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
267       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
268       was not very convenient).
269      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
270       (further tests needed for the implicit DST & Flux-Limiter schemes).
271    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
272      and sRef for convenience, handy, when you want to initialize
273      ptracers in a large domain with a constant non-zero value. Also,
274      untangle ptracers_init.F a little.
275    
276    checkpoint57v_post
277    o change dome exp. to use variable viscosity in side-drag terms.
278    o remove all the files from the cfc_offline test since they are now
279      incorporated into tutorial_cfc_offline which has been producing
280      identical results for a few days of testing
281    o add new parameter: sideDragFactor to enable half-slip-side BC
282      and change side-drag S/R to use viscosity from mom_calc_visc
283      (can switch back by setting sideDragFactor=0.); affects results at
284      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
285       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
286    o vorticity & strain are now computed without masking, to account for
287      no-slip-side BC in variable viscosity calculation ; mask is applied
288      anyway later on, before computing advection/coriolis terms.
289    o modify exp4 to test new obcs support for reading from external files
290      and for passive tracers
291    o fix behavior of ptracers_monitor when monitor output is written to a
292      netcdf-file; still not independent of monitor.F (writes in the same
293      file).
294    o change default value of tRef (put a uniform, meaningful value for ocean
295      & atmos) and initialize sRef (was missing, as Martin mentioned).
296    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
297      to be proportional to enstrophy dissipation length.  Thus,
298       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
299      This is now consistent with Smagorinsky and with the manual.
300    
301    checkpoint57u_post
302    o OBCS and PTRACERS: add open boundary support for passive tracers
303      - either use homogenous (pseudo) v.Neumann conditions or prescribe
304        OB-values from file; this is not different from the way theta and salinity
305        are treated
306      - however, Orlanski-radiation conditions are not supported, and the model
307        will stop if you use pTracers and Orlanski at the same time.
308      - beefed up the rountine obcs_external_fields_load: now only those open
309        boundary values are overwritten with values from files for which there
310        are really files, otherwise the OB-fields remain untouched. This makes
311        it possible to use different OBs at different ends of the domain (as
312        with EXF)
313    o reduce number of exch calls in shap_filt (s2).
314    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
315      truncation level) 4/5 MLAdjust test results (11&12 digits match).
316    
317    checkpoint57t_post
318    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
319    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
320      same truncation, independent of the face number: affects affects several
321      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
322    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
323      note that biharmonic viscosity + no-slip was not tested in any experiment.
324    o fix bug in non-linear free-surf side-drag ; generate new output for
325      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
326    o make mnc honor the writeBinaryPrec flag for most kinds of output
327    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
328    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
329      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
330    o add brackets in multi-terms sum to get same truncation, independent of
331      the face number (manage to get exactly same value of gU,gV at the cs-edge)
332      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
333    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
334      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
335      a maximum grid-scale Reynolds number.  Also, changes all length calculations
336      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
337      Suggested values of viscosity parameters found in mom_calc_visc.
338      Many new viscosity diagnostics available.
339    
340    checkpoint57s_post
341    o Add clearing-house for viscosity calculations, mom_calc_visc and
342      correct numerous bugs in LeithD and Smagorinsky discretizations.  
343      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
344      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
345      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
346      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
347      The Strain-Tension form is now called with useStrainTensonVisc=.true.
348      ViscAhStrain and viscAhTension are now retired.
349    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
350    o In response to JMC's bug report, genmake2 now ignores any soft-links
351      that it finds in the *current* directory when searching for files.
352      Soft-links found in any other source directories will still work as
353      they did before.
354    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
355      a C routine to unlimit the stack size
356    o mnc-ify pkg/aim snapshot vars
357    o mnc-ify pkg/land as requested by Daniel
358    o various changes to mnc including:
359      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
360      - output can now be grouped so that all files within a group
361          change the ITER portion of their names in lock-step together
362      - can now read ("global") PER-FACE (in addition to PER-TILE) files
363          and works with both EXCH1 and EXCH2 (but needs more testing)
364      - writing works for all verification test cases w/ g77 on Linux
365    
366    checkpoint57r_post
367    o make MNC variable initialization happen earlier
368    o add diagnostics for (almost) each term of the momentum Eq.
369    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
370    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
371    o remove MINIMAL_TAVE_OUTPUT option ;
372      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
373    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
374      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
375    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
376    o add time-dependent SST, SSS control
377    o cost terms in ecco/ modularized (new cost_generic.F)
378    o cost_averages routines are modularized (new cost_averagesgeneric.F)
379    o new infrastructure for seaice model vs. obs misfits in seaice/
380      * driver from the_main_loop.F is seaice_cost_driver.F
381      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
382      * gradient check in Exp. 6a of natl_box_adjoint/
383    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
384      (see README file)
385    
386    checkpoint57q_post
387    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
388    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
389      - bug was reported by Jean-Michel and Ian Fenty
390    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
391      update exp. cpl_aim+ocn output.
392    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
393      Needed for high-res. runs with large global files
394      to be able to limit tapelev size
395    o Changed some tests for adjoint:
396      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
397      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
398      * global_ocean.90x40x15/ back to default 3-level checkpointing
399    o Modifications to enable scripted COMMON to MODULE conversion
400      * verification/OpenAD/code/ has necessary scripts and description;
401      * converts, compiles and runs successfully;
402    
403    checkpoint57p_post
404    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
405    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
406      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
407    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
408    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
409      (was already the case for dissipation with mom_vecinv,
410       and also the case for grad.PhiHyd when staggered-timeStep)
411      This will allow to put dissipation out-off the AB time-stepping.
412     Unfortunately, affects truncation error. Update output of exp. that "fails"
413      (cg2d matching number) and leave the others for later: front_relax(10),
414      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
415      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
416    
417    checkpoint57o_post
418    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
419      (2) its ready to be documented during the 20050801 DocFest
420    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
421      for ideal_2D_oce and lab_sea on linux_ia32_g77
422    o set to #undef CTRL_SET_OLD_MAXCVARS_30
423      in global1x1_tot/code_seaice_adj to access indices 32, 33
424      (worth another tag)
425    
426    checkpoint57n_post
427    o adding precip control xx_precip 32
428    o adding swflux control xx_swflux 33
429    o Replacing 10 forcing penalty cost routines by 1 generic.
430    o Implementing partitioning in time-mean and variable adjustment
431      for atmos. state.
432    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
433    o in natl_box_adjoint:
434      * updated exp 1 to 10
435        (but does not have time-mean vs. variable split results yet)
436    o updated global1x1/*_seaice_adj/
437      to incorporate latest changes
438    o enable useSingleCpuIO for mdsio vector routines
439      (applies in particular to tapelev I/O)
440    o removed inefficient K-loop in all active_file*control*.F
441    
442    checkpoint57m_post
443    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
444      and advect_cs (use EXCH-2 and standard cs-32 grid files).
445    o pkg/exch2: filling of face-corner halo regions is optional
446      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
447    
448    checkpoint57l_post
449     tag before updating tutorials (pre-release-2)
450    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
451       for output and interpolation of input fields onto model grid)
452    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
453       Affects results of exp. rotating_tank ; update output.txt.
454    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
455          and taking the square quantity and/or using a fraction-weight field.
456    o fix aim_diagnostics_init.F mate numbers.
457    o add mnc output capability to diagnostics/diagstat and update
458      our cvsignore files for the ACSII output generated
459    
460    checkpoint57k_post
461    o lab_sea now uses diagnostics package and provides a suite of
462      new EXF diagnostics output.
463    
464    checkpoint57j_post
465    o exf
466      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
467        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
468        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
469      * extended diagnostics output
470        - now includes all EXF variables
471        - hs, hl moved to common block
472        - separate S/R for diagnostics, called after ctrl vector is added
473        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
474        - EXFqnet contains true Qnet (i.e. includes qsw)
475      * updated verif. lab_sea, global_with_exf
476      * Rearranging hflux (exf_mapfields -> exf_getforcing)
477        to ensure that diagnostics sees a true EXFqnet
478    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
479    o diagnostics pkg: change pointers so that 1 diagnostic can be used
480      several times with different frequencies.
481    o mnc-ify the thsice package as requested by Daniel Enderton
482      - the monitor--MNC output needs work
483      - many attributes need to be added (most are currently blank)
484    o mnc-ify theaim_v23 package as requested by Daniel Enderton
485      - many attributes need to be added (most are currently blank)
486    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
487    o add Sadourny like discretization to the 4th.O vorticity advection scheme
488    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
489      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
490         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
491    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
492     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
493    
494    checkpoint57i_post
495    o Diagnostics package was changed: diagnostic allocation is now deactivated
496      by setting an empty file name in the namelist (used to be by setting 0 frequency)
497    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
498      add 1rst Order upwind vertical Shear.
499    o add a quick fix for A/B checkpointing in OFFLINE mode
500    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
501      end-run around the C/Fortran linking horror in eesup/src/timers.F
502    o added pkg/runclock: allows user to terminate run based on wall clock
503    o added non-hydrostatic scaling parameter: nh_am2
504    o pkg/my82: futile attempt to make results compiler-independent by adding
505      some "_d 0", etc. no effect.
506    o for mnc output, fill the 'T' coordinate var with myTime and create a
507      separate 'iter' variable for iteration count
508    o pkg/diagnostics:
509      add new capability: output of Global/Regional & per-level statistics ;
510      tested against monitor output (including land & thSIce) on various exp.
511    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
512    
513    checkpoint57h_done
514      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
515      data.diagnostics, data.gchem, data.ptracers) is done.
516    
517    o pkg/diagnostics: prepare for Global/Regional statistics.
518      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
519    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
520      and rename it: DIFFERENT_MULTIPLE
521    
522    checkpoint57h_post
523    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
524    o pkg/diagnostics: change output frequency, now in seconds (instead
525      of Nb of iterations). This requires to change data.diagnostics.
526    checkpoint57h_pre
527    
528    o in mnc, let the user create the output dir if both mnc_outdir_date
529      and mnc_outdir_num are false
530    o add fflags() to pkg/diagnostics which allows one to specify, on a
531      per-file basis, the file precision [default behavior is unchanged]
532    o added diagnostics to pkg/kpp, including computation of mixed layer
533      depth based on a temperature/density criterion
534    o updated verification/natl_box to test the new pkg/kpp diagnostics
535    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
536    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
537    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
538      not mnc -- this mistake was found by JMC and is now corrected
539    
540    checkpoint57g_post
541    o add Adams-Bashforth 3rd Order time stepping:
542      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
543      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
544    checkpoint57g_pre
545    
546    o make lambda[Theta,Salt]ClimRelax spatially varying
547      (default remains spatially uniform constant based on tau)
548    o added new control variables
549      * init. uVel, vVel, etanN
550      * lambda[Theta,Salt]ClimRelax
551    o separate masks used for ctrl_pack/unpack 'from write_grid' output
552      (suggested by G. Forget)
553    
554    checkpoint57f_post
555    o add parameter "baseTime" = model base time = time at iteration zero
556      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
557      account for baseTime shift
558    o move Coriolis arrays from PARAMS.h to GRID.h
559    checkpoint57f_pre
560    
561    o mnc-ifying the seaice package
562    o introduced an alternative length scale calculation for use in the limiting
563      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
564    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
565    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
566      as well as grad(vort3).  Made it compatible with both approximate form
567      for the cubed sphere and full form of these gradients.  Added flag
568      useFullLeith to select between approximate and full form.  
569    o add "d0" in getcon.F to reduce differences between compilers/platforms
570      update output.txt of exp. fizhi-gridalt-hs
571    o change port_rand funtion to allow to set the seed.
572    o fix obscure MNC bug involving conversion between reals and integers
573      - it caused no problems with certain (eg. gcc, ifc) compilers but the
574        new version is now more standards-compliant
575    o adjoint-related modifications
576      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
577      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
578      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
579    
580    checkpoint57e_post
581    o Adding eddy stress controls a la Ferreira et al.
582    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
583    
584    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
585      update output.txt of exp. fizhi-gridalt-hs
586    o add more "Z" dimensions and associated coordinate vars to MNC
587    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
588    o parameter calendarDumps: when set, approximate months (30-31 days) and years
589      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
590      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
591      months and years.  Requires pkg/cal.
592    o diagnostics: add pickup functionality
593      - off by default for backwards compatibility
594      - current version only uses MDSIO -- MNC will be added
595    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
596    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
597    
598    checkpoint57d_post
599    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
600    o modify verification/ideal_2D_oce so that it tests the creation of mnc
601      output from the diagnostics package
602    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
603    o make genmake2 more portable by using ".$FS" instead of ".f" for more
604      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
605    o add coordinate variables to the MNC output from the diagnostics package
606    o change MNC-flags default value: true when useMNC=TRUE
607    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
608      the ability (off by default) to read the grid information using MNC
609    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
610    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
611    o do snap-shot diagnostics at the middle of the time-interval (instead of
612      at the end).
613    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
614      new test for AIM with thSIce + slab-ocean
615    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
616    o move state variable diagnostics to the beginning of the time step ;
617      (note: still needs some work specially for snap-shot diagnostics)
618      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
619    
620    checkpoint57c_post
621    o Change testing option (-ieee) to get closer agreement between g77 & ifort
622    o generate new output.txt files on faulks with g77 & the new -ieee option
623    checkpoint57c_pre
624    
625    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
626      update output.txt of exp. global_ocean.90x40x15
627    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
628      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
629    o add saltFlux(+File) forcing capability with periodicExternalForcing
630    o allow to use pkg diagnostics for GM-Redi & ThSIce output
631    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
632    o improvements for the MNC output from DIAGNOSTICS:
633      - correct handling of the unlimitied dimension
634      - all dims now have associated coordinate variables
635      - variables located at U, V, and Corner ("Z") points are now written
636        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
637        *all* data points are output
638    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
639    o added pkg/seaice/seaice_monitor.F
640    o mdsio_readfield.F can now read files visible only to master MPI process.
641    o pkg/seaice: some test code for ice-modified ocean stress
642    o exf_getffields interpolation defaults to bilinear for all scalar forcing
643      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
644      spurious negative numbers for precipitation and humidity.  Will cause
645      some small numerical differences for integrations using pkg/exf/exf_interp.F.
646    o pkg/ctrl/
647      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
648        May be enabled via doPackDiag
649      *  introduce z-scaling of
650         + gradient (doZscalePack) and
651         + control (doZscaleUnpack)
652    o pkg/mdsio/
653      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
654      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
655    
656    checkpoint57b_post
657    o simplify options in diagnostics_fill arguments (remove weird combinations)
658    o fix MNC coordinate variables so that they now contain per-face index
659      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
660      general, EXCH2 grids are only aligned to a "local" coordinate system
661    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
662    o Implement instantaneous output within pkg diagnostics:
663      setting a negative frequency in data.diagnostics produces
664     "snap-shot" output (as opposed to time-average if freq > 0)
665    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
666      NOTE: change ptracer diagnostics name: use 2 characters to work with
667            more than 9 tracers. Add also diagnostics of advect & diffus flux.
668    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
669      becomes the coordinate variable for the 'T' dimension
670    o add CF-style coordinate variables to MNC
671      - just a first cut:  numbers are meaningless on the cubesphere and
672        missing along the T axis but otherwise it works!
673    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
674    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
675    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
676      this is based directly on what the model compute, so that the content of
677      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
678    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
679    o clean up build options files for SunOS, in particular
680      - remove -traditional from xmakedepend
681      - change -xarch=v9 to -xarch=native for f77
682      - restore use of make (not gmake)
683      - add CC=gcc if using g77
684    o changes per discussion of AM, JMC, & EH3 today:
685      - move redundant "grid" variables out of "state" -- in preparation of
686        creating proper CF-style coordinate variables and in recognition
687        that any/all grid variables can be easily copied (eg. w/NCO) from
688        the grid files into any of the other NetCDF files
689      - *always* output grid variables with MDSIO (this will eventually be
690        changed)
691      - output MNC grid file if useMNC is true
692    o every instance of _END_MASTER() has been found and replaced with
693      _END_MASTER( myThid ) in order to satisfy certain picky Sun
694      preprocessors
695    o re-arrange diagnostics pkg initialisation:
696     - allow each package to extend the available diagnostics list
697     - add some checking and fix small problems (multi-threaded, ...)
698     - new S/R diagnostics_fill (replace fill_diagnostics):
699       look through the short list of active diag. (instead of the long list)
700       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
701    
702    checkpoint57a_post
703    o this set of changes restores TAMC compatibility
704      tested for global_ocean.90x40x15 adjoint on trough
705      (what a pain)
706    
707    checkpoint57a_pre
708    o some modifs in tools/build_options for sunos
709    o call ctrl_pack for ctrl at end for optimcycle=0
710    
711    checkpoint57
712    o add horizontal bi-harmonic viscosity for vertical velocity
713      - new parameter viscA4W (defaults to viscA4)
714      - affects only non-hydrostatic code
715      - to be done: no-slip lateral boundary conditions
716    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
717    o implement Implicit Vertical advection for pTracers
718    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
719      (implemented also for implicit vertical diffusion & advection)
720    o OBCS: extend application of tracer open boundary conditions
721      to a strip beyond the boundary of width Olx/Oly
722    o add call monitor to TAF set of required calls (flow directives)
723      and include in natl_box_adjoint
724    o untangle a few ifdefs related to cost, ctrl, autodiff
725      untangel a few ALLOW_ECCO_OPTIMIZATION
726    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
727      (theta2, salt2 in ecco_cost_weights)
728    
729    checkpoint56c_post
730    o OBCS as control variables
731      - update ctrl_ad_diff.list, obcs_ad_diff.list
732      - remove balance of obcs controls from default
733      - fix index bug nobcs in ctrl_init
734      - fix dummy fields filen in ctrl_pack
735      - add dummy weights for obcs
736    o lsopt: comment out fort.94 output
737    o optim:
738      - remove unnecessary header files
739      - adjusted namelists
740      - add xerbla.F to Makefile
741    o exf:
742      - multiple modifications of exf_check_range
743      - unit change in exf_init_runoff from [m/year] to [m/s]
744    o mdsio:
745      - i/o-vector change debugLevel from debLevA to debLevB
746    
747    checkpoint56b_post
748    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
749      is called from DO_THE_MODEL_IO
750      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
751      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
752      - clean up PTRACERS_WRITE_TIMEAVE a little
753    o add another verification experiment that tests both the cfc-pkg and
754      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
755      reactive tendencies treated inline with regular timestepping
756    o testreport previously did a lousy job of comparing small numbers, so
757      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
758      implemented in the little c-progam tmp_cmpnum.c which is embedded in
759      testreport.
760    o ptracers_monitor: bug fix for MPI
761    
762    checkpoint56a_post
763    o GCHEM: finish reorganizating the package
764      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
765        (introduces another 3D-array for each passive tracer, but only if
766        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
767        gchemTendency is not needed because the timestep is done separately)
768      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
769      - GCHEM is now---more or less cleanly---separate from PTRACERS
770      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
771        so clear to me how that should be done in a general way.
772    o CFC: improve formatting of output in CFC_ATMOS
773    o PTRACERS:
774      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
775        that ALL experiments with ptracers enable can be checked. This makes
776        GCHEM_MONITOR obsolete.
777      - include a runtime parameter PTRACERS_monitorFreq that defaults to
778        monitorFreq
779      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
780    o add PTRACERS (PTR0[1-5]) to testreport output
781    o exf_check_range:
782      * default changed to .TRUE.
783      * will check values for niter0 if debLevA, every timestep if debLevB
784      * STOP in exf_check_range if 'out of range'
785      * range chosen generous to allow for potential extema
786      TBD: a version with stricter range
787           permitted range would be runtime parameters
788  o GMredi:  o GMredi:
789    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
790    - 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 793  o GCHEM:
793    - 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
794      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
795    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
796      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
797        this flag is now only visible within GCHEM-pkg routines.
798      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
799        be replaced by a 3D array that is computed before thermodynamics; for
800        this, the tracer ID iTracer had to be included into the parameter list
801        of ptracers_forcing
802      - set up forward_step to call gchem_forcing, that will replace
803        gchem_forcing_int in ptracers_forcing
804      - cleaning up
805  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
806    
807  checkpoint56  checkpoint56

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