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revision 1.469 by heimbach, Sun Apr 3 16:11:00 2005 UTC revision 1.704 by gforget, Fri Jul 14 22:34:57 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 consistent with addition of ptracer and ssh in pkg/profiles
8    o profiles: adding ptracer and ssh
9    o testreport: change multi-test output-file name
10      (from output.txt.{name} to output.{name}.txt)
11    o profiles: now ok for mutli-threaded case
12    o seaice: add 4 parameters for different advection schemes for area,
13      (effective) seaice thickness, enthalphy, and snow height. Their default
14      is the standard parameter SEAICEadvScheme
15    o calc_gw:
16     - add cosFacU in zonal viscous flux (harmonic.visc.).
17     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
18       of tutorial_plume_on_slope.
19    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
20    o calc_gw: true flux-form, account for horizontal grid spacing.
21      update rotating_tank results, but not plume_on_slope (affected at
22      truncation level, 11 digits).
23    
24    checkpoint58l_post
25    o calc_gw:
26     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
27     - remove side-drag for now (need to fix it); update plume_on_slope results.
28     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
29    o commit code to make SST/SSS weights spatially variable
30      (based on either variable in-situ or variable initial T/S weights)
31    o pkg/ecco:
32      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
33        now based on horizontally varying weights wthetaLev, wsaltLev
34      * cost_averagesflags now returns year indices in addition to day, month
35      * sflux balance is performed on annual basis
36        (sflxumm, sfluxmm2, bal_sfluxmm)
37      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
38        including separate counting and multipliers
39    o pkg/rbcs
40      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
41    
42    checkpoint58k_post
43    o testreport:
44     - always build in dir. "build" (if not there, mkdir build instead of building
45       & running in input)
46     - run in dir run (if it exists), in build otherwise.
47     - call prepare_run (if input/prepare_run exists)
48     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
49    o pkg/exf modifications to interpolation and rotation routines for more
50       reasonable treatment of North Pole singularity: for tracers North Pole
51       value is set to northernmost zonal-mean value, for zonal velocity it is
52       set to zero, and for meridional velocity it is set to northernmost value.
53    o pkg/exf/exf_check_range.F
54     - add tile index to diagnostics and move stop statement to the very
55       end of the routine.
56    o pkg/diagnostics: (diagnostics_main_init.F)
57      define title of isomorphic variables according to the current config.
58    o pkg/thsice with pkg/seaice dynamics:
59    - fix domain of computation (interior only, required for exf) and do exchanges
60    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
61    o towards a standard way of dealing with multi-threading in MONITOR
62      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
63    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
64       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
65    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
66    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
67    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
68       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
69    o tracer advection:
70     - clean-up and simplify calc_common_factors.F
71     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
72       advection subroutine (but still not used within DST advection S/R)
73    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
74    
75    checkpoint58j_post
76    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
77      from file (collects calls previously in FORWARD_STEP)
78    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
79    o adjoint store dir. adjusted accordingly
80    o genmake2
81      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
82    
83    checkpoint58i_post
84    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
85      on wind stress (SEAICEstressFactor defaults to 1.)
86    o Total number of Timers is finite (<=40): comment out 2 non-essential one
87      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
88    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
89      on CS-grid: no longer loosing mass.
90    o exf & curvilinear-grid: no longer modify longitude xC & xG.
91    o pkg/ggl90: fix sloppy output and fix a bug
92    o pkg/seaice: added SEAICEuseEVPpickup parameter
93      - Set to false in order to start EVP solver with
94        non-EVP pickup files when using SEAICEuseEVP
95      - fix sign error in diffusion in seaice_calc_rhs
96    
97    checkpoint58h_post
98    * Modifications for bottom topography control
99      o replace hFacC by _hFacC at various places
100      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
101      o add non-self-adjoint cg2d_nsa
102      o update autodiff support routines
103      o re-initialise hfac after ctrl_depth_ini
104      o works for 5x5 box, doesnt work for global_ocean.90x40x15
105    * Adding verification for 5x5 box (4-layer) bottom topography control
106    
107    checkpoint58g_post
108    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
109       used for mean seasonal cycle, mean diurnal cycle); add an example
110       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
111    o pkg/ggl90:
112      - add parameter (minimum surface kinetic energy)
113      - fix bug (avoiding division by zero)
114    o couple pkg/thsice to pkg/seaice:
115      - modify advection in seaice to accomodate new scalar fields to be advected
116      - only muliDimAdection scheme work with seaice/thsice
117      - mapping of thsice-variables to seaice-variables, back and forth
118      - does not break the verification experiments, but does not give the
119        desired results either
120    o pkg/seaice
121      - make (default) second order advection a bit less confusing?
122    
123    checkpoint58f_post
124    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
125      to pkg/seaice):
126      - new routines thsice_map_exf and thsice_get_exf provide the interface
127      - add an additional formal parameter to thsice_solve4temp
128    o pkg/exf:
129      - add new fields wspeed, snowprecip (to be able to couple to thsice)
130      - correct Stefan-Boltzmann constant
131      - new parameter for longwave surface emittance
132      - separate some stuff from exf_bulkformulae into new routines  
133        exf_radiation, exf_wind
134      - add new parameters and constants: longwave emissivity for ocean, ice
135        and snow, evaporation parameters over ice
136      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
137        either wind from stress or stress from wind
138    o pkg/thSIce:
139    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
140    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
141       and THSICE_CALC_THICKN
142    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
143    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
144      to make debugging easier.
145    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
146    o pkg/bulk_force:
147      - clean-up comments and parameters ;
148      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
149    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
150      generate new output for test-experiment: aim.5l_cs.thSI
151    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
152      testreport accordingly
153    
154    checkpoint58e_post
155    o SEAICE_CGRID adjoint done
156    o R_STAR adjoint implemented.
157      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
158      * need to sort out init. of h0facc, etc.
159    o Make pkg/profile fully independent of ecco,cost, etc. stuff
160      to be able to use it in pure forward.
161    
162    checkpoint58d_post
163    o upgrade simple test-experiment to tutorial example:
164     step.1: duplicate the experiment and (step.2) will remove the old copy.
165      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
166      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
167      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
168      tutorial_global_oce_biogeo    <- copy of dic_example
169      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
170      tutorial_plume_on_slope       <- copy of plume_on_slope
171      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
172      tutorial_global_oce_optim     <- empty for now (David ?)
173      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
174     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
175    o correct a sign problem in cost_scat.F
176    o obcs and ptracers: fix boundary conditions for advections schemes
177      with larger stencil
178    o thsice adjoint: start
179    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
180      completeness
181    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
182      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
183    o ptracers adjoint:
184      * avoid extensive recomputatations
185      * fix missing re-init. of gptr (missed by TAF)
186    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
187      me to turn off the excessive output to STDOUT that this package produces
188    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
189      and add those terms in Vector-Invariant formulation.
190    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
191      if the control period (xx_hfluxperiod etc) is 0
192    o in profiles pkg, clean routines and fix details
193    o in ecco pkg, reading ssh data:
194      fix problem in case the model does not start at iter0=0
195    o fix mnc-pickup/restart for ptracers
196    o new package prifiles:
197      code to compute profile-based cost by Gael Forget
198      (modifs in ecco, ctrl, autodiff)
199    o Benign bug fix in initialization (spotted by M. Mazloff) of
200      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
201    
202    checkpoint58c_post
203    o adjoint: finish NLFS adjoint and provide reference output in
204      verification/global_ocean.90x40x15/results_ad_nlfs
205    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
206      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
207      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
208      with SEAICE_CGRID defined.
209    o move calendarDumps from "data" to "data.cal" and clean-up the code
210      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
211    o add useEXF & useCAL flags (for now, set in hard-coded way)
212    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
213      (were missing in NH mode, and wrong in quasihydrostatic mode).
214      waiting for Chris updated version of calc_gw to add those CALLs.
215    o fix bug in quasihydrostatic S/R ;
216      add a test for this option: global_ocean.90x40x15.qshyd
217    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
218      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
219    o add on/off flag useOffLine for package OFFLINE
220    o seaice:
221      - modify advection so that it works also on the C-grid
222      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
223        problem in multi-tile runs with C-grid
224      - add flags for clipping ice velocities and/or masking solver forcing
225      - fix drag (ocean on ice) formulation and a bug that caused noise in the
226        C-grid solver
227      - added a few comments to seaice_diffusion.F
228      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
229        are now exclusive)
230      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
231        required re-ordering the code a little:
232       + make DAIRN global variable (defined in SEAICE)
233       + move computation of the viscosities eta and zeta into a new separate
234         routine (because I need to recompute them in seaice_ocean_stress.F)
235    
236    checkpoint58b_post
237    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
238      update output.txt of exp. aim.5l_cs.thSI
239    o various mnc cleanups and improvements:
240      + shrink lookup tables by factor of ~4
241      + better error reporting when running out of lookup space
242      + able to handle longer path/file names (up to 500 chars)
243    o adjoint:
244      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
245      - TBD: "hidden" mom_vecinv recomp. in dynamics
246    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
247     (allow to differentiate between forcing components using new integer flags:
248      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
249     and add new flag to put Dissipation tendency out of Adams-Bashforth.
250    o ecco
251      - enable trend removal from SSH anomaly obs.
252    o adjoint
253      - a fix for PmEpR when #undef EXACT_CONSERV
254      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
255      - try to fix "hidden" recomp. in forward_step for NLFS
256        (NLFS seems broken sometimes after I checked it in)
257    o seaice:
258     - add c-grid version of the dynamic solver:
259       + three new routines that are the c-grid substitute lsr, dynsolver
260         and ostres
261       + put a few fields that were local to dynsolver into global common
262         blocks, so that I can move the computation of stresses etc into
263         seaice_lsr (saves coding but may break the adjoint).
264     - replace more hardwired parameters by runtime parameters
265     - add ice masks that mask the rhs of the implicit solvers where there
266       is no ice (commented out in seaice_dynsolver, because i am not sure
267       if this works properly), eventually this should replace the clipping
268       of ice velocities in seaice_dynsolver to +/-40cm/s.
269    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
270      include it only where its needed
271    o move balancing of fluxes before the call of external_forcing_surf
272    o seaice:
273      - correct units of turning angles (now they are really in degrees)
274      - move computation of GWATX/Y out of main routine into dynsolver
275      - initialize GWATX/Y in seaice_init
276    o Apply mask on Fresh-Water flux (needed for SSH forcing).
277      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
278    o seaice: add runtime flags for turning angles (default to zero)
279    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
280      and trend from exf forcing and ctrl control adjustments
281    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
282      (since checkpoint57x_post)
283    o change the default rotation period to 86164.s = the Earth rotation
284    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
285      and based on a reference stratification. Tested within hs94.cs-32x32x5.
286    o seaice advection: add code for choosing between the default (2nd order
287      central differences) and multiDim advection schemes provided by
288      pkg/generic_advdiff
289    o seaice:
290      - removed all references to SEAICE_GRID.h fields from
291        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
292        (cubed-sphere configuration will change a little)
293      - grid computations in seaice_init are obsolete now.
294      - cleaned up code a little so that is easier to read (hopefully).
295      - added new (better?) discretizations of default advection and diffusion
296        (turn on with SEAICEuseFluxForm)
297      - replace 1 in 3d global fields by kSurface in growth.F
298      
299    checkpoint58a_post
300    o seaice:
301      - bug fix in advect.F
302    o shelfice:
303      - separate shelfice load anomaly from pload (breaks with time
304        dependent forcing), => introduce constant field shelficeLoadAnomaly.
305        Its default is 0., but it may be computed more cleverly from (unknown)
306        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
307        done offline. A good approximation of the pressure load anomaly is
308        necessary to avoid large initial adjustment processes underneath
309        deep-reaching shelfice.
310      - small fix in ISOMIP shelfice_thermodynamics
311      - add more sophisticated thermodynamics of Hellmer (1989), this is
312        now the default
313      - give a few constants more intuitive names
314    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
315      if bulk formulae are used in long integration (especially EmPmR). Turn
316      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
317      if balancePrintMean, the imbalance that is substracted is printed to
318      STDOUT.
319    o fix bug (typo) in obcs_apply_eta.F
320    o add a new package shelfice which enables us to model the circulation
321      underneath shelf-ice with draughts of hundreds of meters.
322     - works
323     - to do: + include improved thermodynamics
324              + check whether kSurfC (from model/inc/SURFACE.h) can be used
325                instead of new field kTopC
326              + can we use topoFile, Ro_surf and existing code in ini_depth.F
327                instead of new field R_shelfIce and new code in ini_depth.F
328                and ini_mask_etc.F?
329              + adjust vertical mixing schemes?
330    o seaice pkg:
331     - add a cpp-flag to include a simple formula for a salinity dependent
332       freezing point of sea water at the surface
333     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
334       meridional stresses are now different (and hopefully correct)
335    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
336       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
337       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
338    o pkg/diagnostics: add options and parameters for regional-statistics
339       diagnostics ; define regions by reading a region-mask from a file
340       (might add other options later)
341    o pkg/bulk_force:
342     - add option and parameters to use AIM surface-flux formulae.
343     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
344       others forcing fields (defined in PARM05, parameter file "data") are loaded
345       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
346     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
347     - use the right EXCH call for uwind,vwind (to work on CS-grid).
348     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
349       and parameters (note: calcWindStress replaces .NOT.readwindstress).
350     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
351    
352    checkpoint58
353    o add "--embed-source" option to genmake2 which, when the supporting
354      tools can be compiled (as determined by genmake2) will turn on the
355      embed_files package which then embeds the entire MITgcm source code
356      (*.[fFhc] + Makefile) used for the build within the executable
357      - requested by CNH but off by default
358      - adds a paltry <9MB to the mitgcmuv executable in most cases
359      - only writes the output when useEMBEDSRC in eedata is true
360    o clean up 3-dim. relaxation codes:
361      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
362      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
363      * Thanks to Tom Haine for testing!
364    
365    checkpoint57z_post
366    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
367      affects output (@ truncation level) of exp. plume_on_slope ; updated.
368    o fix the pickup behavior for obcs in combination with ptracers
369    o fix a bug in ptracers_external_fields_load
370    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
371      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
372    o transfered surface NH pressure to eta field (if exactConserv).
373    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
374         and update lab_sea output.txt file.
375    o completing 3-dim. relaxation code: additional term
376         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
377      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
378      * At compile time, in "EXF_OPTIONS.h" set
379          #define  ALLOW_CLIMTEMP_RELAXATION
380          #define  ALLOW_CLIMSALT_RELAXATION
381      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
382          tauThetaClimRelax3Dim = 15552000.0,
383          tauSaltClimRelax3Dim  = 15552000.0,
384      * 3 cases:
385          1) Use a constant-in-time 3-dim. field
386          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
387          3) Real-time relax. to time-evolving prescribed field
388    o Adding Laplacian-type smoothness constraint on
389      initial and boundary (forcing) controls (ic, bc)
390      * enable at compile-time via
391        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
392      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
393      * Absolute scale somewhat unclear so far
394      * no area weighting was included since no other cost term does so far
395    
396    checkpoint57y_post
397    First step for a NLFS adjoint
398    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
399    o new init. routines for calc_r_star, calc_surf_dr
400    o still need to deal with ini_masks_etc
401    o testreport seemed happy
402    checkpoint57y_pre
403    
404    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
405    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
406    o add new offset feature to offline pkg (plus minor cleanup)
407    o cfc fixes for final year of integration
408    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
409      be in GCHEM_OPTIONS).
410    
411    checkpoint57x_post
412    o fix testreport Pb in multiple test experiment.
413    o cleanup our namelist syntax in verification:
414      - make it more F95 standards compliant (some work still needed)
415      - allows the vast majority of our tests to work with gfortran
416    o Non-Hydrostatic:
417     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
418     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
419    o Allow to apply AB on T,S rather than on AB(gT,gS):
420     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
421     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
422       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
423     - need a "clever" read_pickup to restart from the other AB formulation
424    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
425    o remove some unused variables (reduces number of compiler warnings)
426    o adjoint
427      * Disable useVariableViscosity for adjoint for time being
428        (there are a number of extensive recomputations)
429      * Initialize certain variables needed for adjoint
430    
431    checkpoint57w_post
432    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
433                 fix the singleCpuIO RS version of MDSWRITEFIELD
434       and add a WARNING if using globalFiles=T with multi-processors.
435    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
436      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
437    o tracer advection scheme:
438      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
439       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
440       was not very convenient).
441      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
442       (further tests needed for the implicit DST & Flux-Limiter schemes).
443    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
444      and sRef for convenience, handy, when you want to initialize
445      ptracers in a large domain with a constant non-zero value. Also,
446      untangle ptracers_init.F a little.
447    
448    checkpoint57v_post
449    o change dome exp. to use variable viscosity in side-drag terms.
450    o remove all the files from the cfc_offline test since they are now
451      incorporated into tutorial_cfc_offline which has been producing
452      identical results for a few days of testing
453    o add new parameter: sideDragFactor to enable half-slip-side BC
454      and change side-drag S/R to use viscosity from mom_calc_visc
455      (can switch back by setting sideDragFactor=0.); affects results at
456      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
457       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
458    o vorticity & strain are now computed without masking, to account for
459      no-slip-side BC in variable viscosity calculation ; mask is applied
460      anyway later on, before computing advection/coriolis terms.
461    o modify exp4 to test new obcs support for reading from external files
462      and for passive tracers
463    o fix behavior of ptracers_monitor when monitor output is written to a
464      netcdf-file; still not independent of monitor.F (writes in the same
465      file).
466    o change default value of tRef (put a uniform, meaningful value for ocean
467      & atmos) and initialize sRef (was missing, as Martin mentioned).
468    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
469      to be proportional to enstrophy dissipation length.  Thus,
470       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
471      This is now consistent with Smagorinsky and with the manual.
472    
473    checkpoint57u_post
474    o OBCS and PTRACERS: add open boundary support for passive tracers
475      - either use homogenous (pseudo) v.Neumann conditions or prescribe
476        OB-values from file; this is not different from the way theta and salinity
477        are treated
478      - however, Orlanski-radiation conditions are not supported, and the model
479        will stop if you use pTracers and Orlanski at the same time.
480      - beefed up the rountine obcs_external_fields_load: now only those open
481        boundary values are overwritten with values from files for which there
482        are really files, otherwise the OB-fields remain untouched. This makes
483        it possible to use different OBs at different ends of the domain (as
484        with EXF)
485    o reduce number of exch calls in shap_filt (s2).
486    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
487      truncation level) 4/5 MLAdjust test results (11&12 digits match).
488    
489    checkpoint57t_post
490    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
491    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
492      same truncation, independent of the face number: affects affects several
493      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
494    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
495      note that biharmonic viscosity + no-slip was not tested in any experiment.
496    o fix bug in non-linear free-surf side-drag ; generate new output for
497      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
498    o make mnc honor the writeBinaryPrec flag for most kinds of output
499    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
500    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
501      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
502    o add brackets in multi-terms sum to get same truncation, independent of
503      the face number (manage to get exactly same value of gU,gV at the cs-edge)
504      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
505    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
506      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
507      a maximum grid-scale Reynolds number.  Also, changes all length calculations
508      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
509      Suggested values of viscosity parameters found in mom_calc_visc.
510      Many new viscosity diagnostics available.
511    
512    checkpoint57s_post
513    o Add clearing-house for viscosity calculations, mom_calc_visc and
514      correct numerous bugs in LeithD and Smagorinsky discretizations.  
515      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
516      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
517      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
518      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
519      The Strain-Tension form is now called with useStrainTensonVisc=.true.
520      ViscAhStrain and viscAhTension are now retired.
521    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
522    o In response to JMC's bug report, genmake2 now ignores any soft-links
523      that it finds in the *current* directory when searching for files.
524      Soft-links found in any other source directories will still work as
525      they did before.
526    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
527      a C routine to unlimit the stack size
528    o mnc-ify pkg/aim snapshot vars
529    o mnc-ify pkg/land as requested by Daniel
530    o various changes to mnc including:
531      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
532      - output can now be grouped so that all files within a group
533          change the ITER portion of their names in lock-step together
534      - can now read ("global") PER-FACE (in addition to PER-TILE) files
535          and works with both EXCH1 and EXCH2 (but needs more testing)
536      - writing works for all verification test cases w/ g77 on Linux
537    
538    checkpoint57r_post
539    o make MNC variable initialization happen earlier
540    o add diagnostics for (almost) each term of the momentum Eq.
541    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
542    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
543    o remove MINIMAL_TAVE_OUTPUT option ;
544      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
545    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
546      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
547    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
548    o add time-dependent SST, SSS control
549    o cost terms in ecco/ modularized (new cost_generic.F)
550    o cost_averages routines are modularized (new cost_averagesgeneric.F)
551    o new infrastructure for seaice model vs. obs misfits in seaice/
552      * driver from the_main_loop.F is seaice_cost_driver.F
553      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
554      * gradient check in Exp. 6a of natl_box_adjoint/
555    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
556      (see README file)
557    
558    checkpoint57q_post
559    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
560    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
561      - bug was reported by Jean-Michel and Ian Fenty
562    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
563      update exp. cpl_aim+ocn output.
564    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
565      Needed for high-res. runs with large global files
566      to be able to limit tapelev size
567    o Changed some tests for adjoint:
568      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
569      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
570      * global_ocean.90x40x15/ back to default 3-level checkpointing
571    o Modifications to enable scripted COMMON to MODULE conversion
572      * verification/OpenAD/code/ has necessary scripts and description;
573      * converts, compiles and runs successfully;
574    
575    checkpoint57p_post
576    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
577    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
578      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
579    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
580    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
581      (was already the case for dissipation with mom_vecinv,
582       and also the case for grad.PhiHyd when staggered-timeStep)
583      This will allow to put dissipation out-off the AB time-stepping.
584     Unfortunately, affects truncation error. Update output of exp. that "fails"
585      (cg2d matching number) and leave the others for later: front_relax(10),
586      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
587      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
588    
589    checkpoint57o_post
590    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
591      (2) its ready to be documented during the 20050801 DocFest
592    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
593      for ideal_2D_oce and lab_sea on linux_ia32_g77
594    o set to #undef CTRL_SET_OLD_MAXCVARS_30
595      in global1x1_tot/code_seaice_adj to access indices 32, 33
596      (worth another tag)
597    
598    checkpoint57n_post
599    o adding precip control xx_precip 32
600    o adding swflux control xx_swflux 33
601    o Replacing 10 forcing penalty cost routines by 1 generic.
602    o Implementing partitioning in time-mean and variable adjustment
603      for atmos. state.
604    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
605    o in natl_box_adjoint:
606      * updated exp 1 to 10
607        (but does not have time-mean vs. variable split results yet)
608    o updated global1x1/*_seaice_adj/
609      to incorporate latest changes
610    o enable useSingleCpuIO for mdsio vector routines
611      (applies in particular to tapelev I/O)
612    o removed inefficient K-loop in all active_file*control*.F
613    
614    checkpoint57m_post
615    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
616      and advect_cs (use EXCH-2 and standard cs-32 grid files).
617    o pkg/exch2: filling of face-corner halo regions is optional
618      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
619    
620    checkpoint57l_post
621     tag before updating tutorials (pre-release-2)
622    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
623       for output and interpolation of input fields onto model grid)
624    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
625       Affects results of exp. rotating_tank ; update output.txt.
626    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
627          and taking the square quantity and/or using a fraction-weight field.
628    o fix aim_diagnostics_init.F mate numbers.
629    o add mnc output capability to diagnostics/diagstat and update
630      our cvsignore files for the ACSII output generated
631    
632    checkpoint57k_post
633    o lab_sea now uses diagnostics package and provides a suite of
634      new EXF diagnostics output.
635    
636    checkpoint57j_post
637    o exf
638      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
639        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
640        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
641      * extended diagnostics output
642        - now includes all EXF variables
643        - hs, hl moved to common block
644        - separate S/R for diagnostics, called after ctrl vector is added
645        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
646        - EXFqnet contains true Qnet (i.e. includes qsw)
647      * updated verif. lab_sea, global_with_exf
648      * Rearranging hflux (exf_mapfields -> exf_getforcing)
649        to ensure that diagnostics sees a true EXFqnet
650    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
651    o diagnostics pkg: change pointers so that 1 diagnostic can be used
652      several times with different frequencies.
653    o mnc-ify the thsice package as requested by Daniel Enderton
654      - the monitor--MNC output needs work
655      - many attributes need to be added (most are currently blank)
656    o mnc-ify theaim_v23 package as requested by Daniel Enderton
657      - many attributes need to be added (most are currently blank)
658    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
659    o add Sadourny like discretization to the 4th.O vorticity advection scheme
660    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
661      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
662         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
663    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
664     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
665    
666    checkpoint57i_post
667    o Diagnostics package was changed: diagnostic allocation is now deactivated
668      by setting an empty file name in the namelist (used to be by setting 0 frequency)
669    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
670      add 1rst Order upwind vertical Shear.
671    o add a quick fix for A/B checkpointing in OFFLINE mode
672    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
673      end-run around the C/Fortran linking horror in eesup/src/timers.F
674    o added pkg/runclock: allows user to terminate run based on wall clock
675    o added non-hydrostatic scaling parameter: nh_am2
676    o pkg/my82: futile attempt to make results compiler-independent by adding
677      some "_d 0", etc. no effect.
678    o for mnc output, fill the 'T' coordinate var with myTime and create a
679      separate 'iter' variable for iteration count
680    o pkg/diagnostics:
681      add new capability: output of Global/Regional & per-level statistics ;
682      tested against monitor output (including land & thSIce) on various exp.
683    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
684    
685    checkpoint57h_done
686      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
687      data.diagnostics, data.gchem, data.ptracers) is done.
688    
689    o pkg/diagnostics: prepare for Global/Regional statistics.
690      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
691    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
692      and rename it: DIFFERENT_MULTIPLE
693    
694    checkpoint57h_post
695    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
696    o pkg/diagnostics: change output frequency, now in seconds (instead
697      of Nb of iterations). This requires to change data.diagnostics.
698    checkpoint57h_pre
699    
700    o in mnc, let the user create the output dir if both mnc_outdir_date
701      and mnc_outdir_num are false
702    o add fflags() to pkg/diagnostics which allows one to specify, on a
703      per-file basis, the file precision [default behavior is unchanged]
704    o added diagnostics to pkg/kpp, including computation of mixed layer
705      depth based on a temperature/density criterion
706    o updated verification/natl_box to test the new pkg/kpp diagnostics
707    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
708    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
709    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
710      not mnc -- this mistake was found by JMC and is now corrected
711    
712    checkpoint57g_post
713    o add Adams-Bashforth 3rd Order time stepping:
714      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
715      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
716    checkpoint57g_pre
717    
718    o make lambda[Theta,Salt]ClimRelax spatially varying
719      (default remains spatially uniform constant based on tau)
720    o added new control variables
721      * init. uVel, vVel, etanN
722      * lambda[Theta,Salt]ClimRelax
723    o separate masks used for ctrl_pack/unpack 'from write_grid' output
724      (suggested by G. Forget)
725    
726    checkpoint57f_post
727    o add parameter "baseTime" = model base time = time at iteration zero
728      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
729      account for baseTime shift
730    o move Coriolis arrays from PARAMS.h to GRID.h
731    checkpoint57f_pre
732    
733  o mnc-ifying the seaice package  o mnc-ifying the seaice package
734  o introduced an alternative length scale calculation for use in the limiting  o introduced an alternative length scale calculation for use in the limiting
735    maximum viscosity (off by default, see mom_vi_hdissip.F for details)    maximum viscosity (off by default, see mom_vi_hdissip.F for details)
# Line 24  o adjoint-related modifications Line 751  o adjoint-related modifications
751    
752  checkpoint57e_post  checkpoint57e_post
753  o Adding eddy stress controls a la Ferreira et al.  o Adding eddy stress controls a la Ferreira et al.
754  checkpoint57e_pre  checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
755    
756  o fizhi pkg: fix AtoC and CtoA when called with same input & output array  o fizhi pkg: fix AtoC and CtoA when called with same input & output array
757    update output.txt of exp. fizhi-gridalt-hs    update output.txt of exp. fizhi-gridalt-hs

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