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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.738 by jmc, Thu Oct 26 00:50:48 2006 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  o adding precip control xx_precip  o multi-threading and IO:
8  o moved ptracer ctrl index 17 -> 32    - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
9      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
10        (needed to work with SingleCpuIO): tested in all verif. exp.
11    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
12      affects the results (but none of the verification test uses this scheme).
13    o Adding some pkg/diagnostics capability to pkg/seaice
14      (will certainly be subject to changes)
15    
16    checkpoint58q_post
17    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
18      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
19      high_res_cube configuration by 4% on Columbia.
20    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
21      add (in global_with_exf/code) a version of EXF_INTERP_READ without
22      dynamical allocation (seems to work in multi-threaded).
23    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
24      single CPU io) so that TAF does not have to see EESUPPORT.h
25    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
26    
27    checkpoint58p_post
28    o obcs: stop if obcs is used with useCDscheme = .true.
29    o shelfice:
30     - fix a sign error so that no slip at shelfice interface works
31     - remove stop for combination non-hydrostatic code and shelfice. That does
32       not mean, that the results are correct, but at least they are numerically
33       stable
34    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
35    o added adjoint exch routined for all exch*3d* routines
36      and updated flow directives
37    
38    checkpoint58o_post
39    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
40      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
41    o change controling S/R for writing pickup file (new S/R do_write_pickup)
42      and clean-up reading/writing of pickup files.
43    o fix local version of read/write pickup (NH part) in rotating_tank/code
44    o simplify EXCH interface:
45     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
46     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
47    o added the regrid package
48    o shelfice:
49     - add a simple boundary layer scheme to reduce noise
50     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
51    
52    checkpoint58n_post
53    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
54       local variable (not in common block).
55    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
56      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
57      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
58        to work with SingleCpuIO.
59    o add "_d 0" to real constant of pkg/cfc subroutines ;
60       update exp. cfc_exemple & tutorial_cfc_offline output files.
61    o multi-threading and IO:
62      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
63        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
64      - barrier before and after reading.
65      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
66      - avoid using MDS_WRITELOCAL for LAND pkg output.
67      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
68        common-block variables ; Allows multi-threading with master-thread IO.
69    o change default MAX_NO_THREADS from 32 to 4 ;
70      and stop cleanly when MAX_NO_THREADS is too small.
71    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
72    
73    checkpoint58m_post
74    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
75       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
76    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
77       keep global_ocean.90x40x15 (for AD testing) with former secondary test
78       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
79    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
80        add MITgcm_tutorials (= code + all the tutorials)
81    o ecco, option to compute cost for total ssh (mean+anom)
82    o consistent with addition of ptracer and ssh in pkg/profiles
83    o profiles: adding ptracer and ssh
84    o testreport: change multi-test output-file name
85      (from output.txt.{name} to output.{name}.txt)
86    o profiles: now ok for mutli-tiles case
87    o seaice: add 4 parameters for different advection schemes for area,
88      (effective) seaice thickness, enthalphy, and snow height. Their default
89      is the standard parameter SEAICEadvScheme
90    o calc_gw:
91     - add cosFacU in zonal viscous flux (harmonic.visc.).
92     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
93       of tutorial_plume_on_slope.
94    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
95    o calc_gw: true flux-form, account for horizontal grid spacing.
96      update rotating_tank results, but not plume_on_slope (affected at
97      truncation level, 11 digits).
98    
99    checkpoint58l_post
100    o calc_gw:
101     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
102     - remove side-drag for now (need to fix it); update plume_on_slope results.
103     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
104    o commit code to make SST/SSS weights spatially variable
105      (based on either variable in-situ or variable initial T/S weights)
106    o pkg/ecco:
107      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
108        now based on horizontally varying weights wthetaLev, wsaltLev
109      * cost_averagesflags now returns year indices in addition to day, month
110      * sflux balance is performed on annual basis
111        (sflxumm, sfluxmm2, bal_sfluxmm)
112      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
113        including separate counting and multipliers
114    o pkg/rbcs
115      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
116    
117    checkpoint58k_post
118    o testreport:
119     - always build in dir. "build" (if not there, mkdir build instead of building
120       & running in input)
121     - run in dir run (if it exists), in build otherwise.
122     - call prepare_run (if input/prepare_run exists)
123     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
124    o pkg/exf modifications to interpolation and rotation routines for more
125       reasonable treatment of North Pole singularity: for tracers North Pole
126       value is set to northernmost zonal-mean value, for zonal velocity it is
127       set to zero, and for meridional velocity it is set to northernmost value.
128    o pkg/exf/exf_check_range.F
129     - add tile index to diagnostics and move stop statement to the very
130       end of the routine.
131    o pkg/diagnostics: (diagnostics_main_init.F)
132      define title of isomorphic variables according to the current config.
133    o pkg/thsice with pkg/seaice dynamics:
134    - fix domain of computation (interior only, required for exf) and do exchanges
135    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
136    o towards a standard way of dealing with multi-threading in MONITOR
137      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
138    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
139       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
140    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
141    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
142    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
143       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
144    o tracer advection:
145     - clean-up and simplify calc_common_factors.F
146     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
147       advection subroutine (but still not used within DST advection S/R)
148    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
149    
150    checkpoint58j_post
151    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
152      from file (collects calls previously in FORWARD_STEP)
153    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
154    o adjoint store dir. adjusted accordingly
155    o genmake2
156      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
157    
158    checkpoint58i_post
159    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
160      on wind stress (SEAICEstressFactor defaults to 1.)
161    o Total number of Timers is finite (<=40): comment out 2 non-essential one
162      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
163    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
164      on CS-grid: no longer loosing mass.
165    o exf & curvilinear-grid: no longer modify longitude xC & xG.
166    o pkg/ggl90: fix sloppy output and fix a bug
167    o pkg/seaice: added SEAICEuseEVPpickup parameter
168      - Set to false in order to start EVP solver with
169        non-EVP pickup files when using SEAICEuseEVP
170      - fix sign error in diffusion in seaice_calc_rhs
171    
172    checkpoint58h_post
173    * Modifications for bottom topography control
174      o replace hFacC by _hFacC at various places
175      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
176      o add non-self-adjoint cg2d_nsa
177      o update autodiff support routines
178      o re-initialise hfac after ctrl_depth_ini
179      o works for 5x5 box, doesnt work for global_ocean.90x40x15
180    * Adding verification for 5x5 box (4-layer) bottom topography control
181    
182    checkpoint58g_post
183    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
184       used for mean seasonal cycle, mean diurnal cycle); add an example
185       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
186    o pkg/ggl90:
187      - add parameter (minimum surface kinetic energy)
188      - fix bug (avoiding division by zero)
189    o couple pkg/thsice to pkg/seaice:
190      - modify advection in seaice to accomodate new scalar fields to be advected
191      - only muliDimAdection scheme work with seaice/thsice
192      - mapping of thsice-variables to seaice-variables, back and forth
193      - does not break the verification experiments, but does not give the
194        desired results either
195    o pkg/seaice
196      - make (default) second order advection a bit less confusing?
197    
198    checkpoint58f_post
199    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
200      to pkg/seaice):
201      - new routines thsice_map_exf and thsice_get_exf provide the interface
202      - add an additional formal parameter to thsice_solve4temp
203    o pkg/exf:
204      - add new fields wspeed, snowprecip (to be able to couple to thsice)
205      - correct Stefan-Boltzmann constant
206      - new parameter for longwave surface emittance
207      - separate some stuff from exf_bulkformulae into new routines  
208        exf_radiation, exf_wind
209      - add new parameters and constants: longwave emissivity for ocean, ice
210        and snow, evaporation parameters over ice
211      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
212        either wind from stress or stress from wind
213    o pkg/thSIce:
214    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
215    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
216       and THSICE_CALC_THICKN
217    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
218    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
219      to make debugging easier.
220    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
221    o pkg/bulk_force:
222      - clean-up comments and parameters ;
223      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
224    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
225      generate new output for test-experiment: aim.5l_cs.thSI
226    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
227      testreport accordingly
228    
229    checkpoint58e_post
230    o SEAICE_CGRID adjoint done
231    o R_STAR adjoint implemented.
232      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
233      * need to sort out init. of h0facc, etc.
234    o Make pkg/profile fully independent of ecco,cost, etc. stuff
235      to be able to use it in pure forward.
236    
237    checkpoint58d_post
238    o upgrade simple test-experiment to tutorial example:
239     step.1: duplicate the experiment and (step.2) will remove the old copy.
240      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
241      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
242      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
243      tutorial_global_oce_biogeo    <- copy of dic_example
244      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
245      tutorial_plume_on_slope       <- copy of plume_on_slope
246      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
247      tutorial_global_oce_optim     <- empty for now (David ?)
248      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
249     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
250    o correct a sign problem in cost_scat.F
251    o obcs and ptracers: fix boundary conditions for advections schemes
252      with larger stencil
253    o thsice adjoint: start
254    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
255      completeness
256    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
257      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
258    o ptracers adjoint:
259      * avoid extensive recomputatations
260      * fix missing re-init. of gptr (missed by TAF)
261    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
262      me to turn off the excessive output to STDOUT that this package produces
263    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
264      and add those terms in Vector-Invariant formulation.
265    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
266      if the control period (xx_hfluxperiod etc) is 0
267    o in profiles pkg, clean routines and fix details
268    o in ecco pkg, reading ssh data:
269      fix problem in case the model does not start at iter0=0
270    o fix mnc-pickup/restart for ptracers
271    o new package prifiles:
272      code to compute profile-based cost by Gael Forget
273      (modifs in ecco, ctrl, autodiff)
274    o Benign bug fix in initialization (spotted by M. Mazloff) of
275      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
276    
277    checkpoint58c_post
278    o adjoint: finish NLFS adjoint and provide reference output in
279      verification/global_ocean.90x40x15/results_ad_nlfs
280    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
281      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
282      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
283      with SEAICE_CGRID defined.
284    o move calendarDumps from "data" to "data.cal" and clean-up the code
285      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
286    o add useEXF & useCAL flags (for now, set in hard-coded way)
287    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
288      (were missing in NH mode, and wrong in quasihydrostatic mode).
289      waiting for Chris updated version of calc_gw to add those CALLs.
290    o fix bug in quasihydrostatic S/R ;
291      add a test for this option: global_ocean.90x40x15.qshyd
292    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
293      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
294    o add on/off flag useOffLine for package OFFLINE
295    o seaice:
296      - modify advection so that it works also on the C-grid
297      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
298        problem in multi-tile runs with C-grid
299      - add flags for clipping ice velocities and/or masking solver forcing
300      - fix drag (ocean on ice) formulation and a bug that caused noise in the
301        C-grid solver
302      - added a few comments to seaice_diffusion.F
303      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
304        are now exclusive)
305      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
306        required re-ordering the code a little:
307       + make DAIRN global variable (defined in SEAICE)
308       + move computation of the viscosities eta and zeta into a new separate
309         routine (because I need to recompute them in seaice_ocean_stress.F)
310    
311    checkpoint58b_post
312    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
313      update output.txt of exp. aim.5l_cs.thSI
314    o various mnc cleanups and improvements:
315      + shrink lookup tables by factor of ~4
316      + better error reporting when running out of lookup space
317      + able to handle longer path/file names (up to 500 chars)
318    o adjoint:
319      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
320      - TBD: "hidden" mom_vecinv recomp. in dynamics
321    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
322     (allow to differentiate between forcing components using new integer flags:
323      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
324     and add new flag to put Dissipation tendency out of Adams-Bashforth.
325    o ecco
326      - enable trend removal from SSH anomaly obs.
327    o adjoint
328      - a fix for PmEpR when #undef EXACT_CONSERV
329      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
330      - try to fix "hidden" recomp. in forward_step for NLFS
331        (NLFS seems broken sometimes after I checked it in)
332    o seaice:
333     - add c-grid version of the dynamic solver:
334       + three new routines that are the c-grid substitute lsr, dynsolver
335         and ostres
336       + put a few fields that were local to dynsolver into global common
337         blocks, so that I can move the computation of stresses etc into
338         seaice_lsr (saves coding but may break the adjoint).
339     - replace more hardwired parameters by runtime parameters
340     - add ice masks that mask the rhs of the implicit solvers where there
341       is no ice (commented out in seaice_dynsolver, because i am not sure
342       if this works properly), eventually this should replace the clipping
343       of ice velocities in seaice_dynsolver to +/-40cm/s.
344    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
345      include it only where its needed
346    o move balancing of fluxes before the call of external_forcing_surf
347    o seaice:
348      - correct units of turning angles (now they are really in degrees)
349      - move computation of GWATX/Y out of main routine into dynsolver
350      - initialize GWATX/Y in seaice_init
351    o Apply mask on Fresh-Water flux (needed for SSH forcing).
352      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
353    o seaice: add runtime flags for turning angles (default to zero)
354    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
355      and trend from exf forcing and ctrl control adjustments
356    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
357      (since checkpoint57x_post)
358    o change the default rotation period to 86164.s = the Earth rotation
359    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
360      and based on a reference stratification. Tested within hs94.cs-32x32x5.
361    o seaice advection: add code for choosing between the default (2nd order
362      central differences) and multiDim advection schemes provided by
363      pkg/generic_advdiff
364    o seaice:
365      - removed all references to SEAICE_GRID.h fields from
366        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
367        (cubed-sphere configuration will change a little)
368      - grid computations in seaice_init are obsolete now.
369      - cleaned up code a little so that is easier to read (hopefully).
370      - added new (better?) discretizations of default advection and diffusion
371        (turn on with SEAICEuseFluxForm)
372      - replace 1 in 3d global fields by kSurface in growth.F
373      
374    checkpoint58a_post
375    o seaice:
376      - bug fix in advect.F
377    o shelfice:
378      - separate shelfice load anomaly from pload (breaks with time
379        dependent forcing), => introduce constant field shelficeLoadAnomaly.
380        Its default is 0., but it may be computed more cleverly from (unknown)
381        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
382        done offline. A good approximation of the pressure load anomaly is
383        necessary to avoid large initial adjustment processes underneath
384        deep-reaching shelfice.
385      - small fix in ISOMIP shelfice_thermodynamics
386      - add more sophisticated thermodynamics of Hellmer (1989), this is
387        now the default
388      - give a few constants more intuitive names
389    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
390      if bulk formulae are used in long integration (especially EmPmR). Turn
391      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
392      if balancePrintMean, the imbalance that is substracted is printed to
393      STDOUT.
394    o fix bug (typo) in obcs_apply_eta.F
395    o add a new package shelfice which enables us to model the circulation
396      underneath shelf-ice with draughts of hundreds of meters.
397     - works
398     - to do: + include improved thermodynamics
399              + check whether kSurfC (from model/inc/SURFACE.h) can be used
400                instead of new field kTopC
401              + can we use topoFile, Ro_surf and existing code in ini_depth.F
402                instead of new field R_shelfIce and new code in ini_depth.F
403                and ini_mask_etc.F?
404              + adjust vertical mixing schemes?
405    o seaice pkg:
406     - add a cpp-flag to include a simple formula for a salinity dependent
407       freezing point of sea water at the surface
408     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
409       meridional stresses are now different (and hopefully correct)
410    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
411       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
412       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
413    o pkg/diagnostics: add options and parameters for regional-statistics
414       diagnostics ; define regions by reading a region-mask from a file
415       (might add other options later)
416    o pkg/bulk_force:
417     - add option and parameters to use AIM surface-flux formulae.
418     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
419       others forcing fields (defined in PARM05, parameter file "data") are loaded
420       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
421     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
422     - use the right EXCH call for uwind,vwind (to work on CS-grid).
423     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
424       and parameters (note: calcWindStress replaces .NOT.readwindstress).
425     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
426    
427    checkpoint58
428    o add "--embed-source" option to genmake2 which, when the supporting
429      tools can be compiled (as determined by genmake2) will turn on the
430      embed_files package which then embeds the entire MITgcm source code
431      (*.[fFhc] + Makefile) used for the build within the executable
432      - requested by CNH but off by default
433      - adds a paltry <9MB to the mitgcmuv executable in most cases
434      - only writes the output when useEMBEDSRC in eedata is true
435    o clean up 3-dim. relaxation codes:
436      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
437      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
438      * Thanks to Tom Haine for testing!
439    
440    checkpoint57z_post
441    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
442      affects output (@ truncation level) of exp. plume_on_slope ; updated.
443    o fix the pickup behavior for obcs in combination with ptracers
444    o fix a bug in ptracers_external_fields_load
445    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
446      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
447    o transfered surface NH pressure to eta field (if exactConserv).
448    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
449         and update lab_sea output.txt file.
450    o completing 3-dim. relaxation code: additional term
451         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
452      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
453      * At compile time, in "EXF_OPTIONS.h" set
454          #define  ALLOW_CLIMTEMP_RELAXATION
455          #define  ALLOW_CLIMSALT_RELAXATION
456      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
457          tauThetaClimRelax3Dim = 15552000.0,
458          tauSaltClimRelax3Dim  = 15552000.0,
459      * 3 cases:
460          1) Use a constant-in-time 3-dim. field
461          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
462          3) Real-time relax. to time-evolving prescribed field
463    o Adding Laplacian-type smoothness constraint on
464      initial and boundary (forcing) controls (ic, bc)
465      * enable at compile-time via
466        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
467      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
468      * Absolute scale somewhat unclear so far
469      * no area weighting was included since no other cost term does so far
470    
471    checkpoint57y_post
472    First step for a NLFS adjoint
473    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
474    o new init. routines for calc_r_star, calc_surf_dr
475    o still need to deal with ini_masks_etc
476    o testreport seemed happy
477    checkpoint57y_pre
478    
479    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
480    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
481    o add new offset feature to offline pkg (plus minor cleanup)
482    o cfc fixes for final year of integration
483    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
484      be in GCHEM_OPTIONS).
485    
486    checkpoint57x_post
487    o fix testreport Pb in multiple test experiment.
488    o cleanup our namelist syntax in verification:
489      - make it more F95 standards compliant (some work still needed)
490      - allows the vast majority of our tests to work with gfortran
491    o Non-Hydrostatic:
492     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
493     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
494    o Allow to apply AB on T,S rather than on AB(gT,gS):
495     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
496     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
497       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
498     - need a "clever" read_pickup to restart from the other AB formulation
499    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
500    o remove some unused variables (reduces number of compiler warnings)
501    o adjoint
502      * Disable useVariableViscosity for adjoint for time being
503        (there are a number of extensive recomputations)
504      * Initialize certain variables needed for adjoint
505    
506    checkpoint57w_post
507    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
508                 fix the singleCpuIO RS version of MDSWRITEFIELD
509       and add a WARNING if using globalFiles=T with multi-processors.
510    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
511      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
512    o tracer advection scheme:
513      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
514       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
515       was not very convenient).
516      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
517       (further tests needed for the implicit DST & Flux-Limiter schemes).
518    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
519      and sRef for convenience, handy, when you want to initialize
520      ptracers in a large domain with a constant non-zero value. Also,
521      untangle ptracers_init.F a little.
522    
523    checkpoint57v_post
524    o change dome exp. to use variable viscosity in side-drag terms.
525    o remove all the files from the cfc_offline test since they are now
526      incorporated into tutorial_cfc_offline which has been producing
527      identical results for a few days of testing
528    o add new parameter: sideDragFactor to enable half-slip-side BC
529      and change side-drag S/R to use viscosity from mom_calc_visc
530      (can switch back by setting sideDragFactor=0.); affects results at
531      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
532       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
533    o vorticity & strain are now computed without masking, to account for
534      no-slip-side BC in variable viscosity calculation ; mask is applied
535      anyway later on, before computing advection/coriolis terms.
536    o modify exp4 to test new obcs support for reading from external files
537      and for passive tracers
538    o fix behavior of ptracers_monitor when monitor output is written to a
539      netcdf-file; still not independent of monitor.F (writes in the same
540      file).
541    o change default value of tRef (put a uniform, meaningful value for ocean
542      & atmos) and initialize sRef (was missing, as Martin mentioned).
543    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
544      to be proportional to enstrophy dissipation length.  Thus,
545       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
546      This is now consistent with Smagorinsky and with the manual.
547    
548    checkpoint57u_post
549    o OBCS and PTRACERS: add open boundary support for passive tracers
550      - either use homogenous (pseudo) v.Neumann conditions or prescribe
551        OB-values from file; this is not different from the way theta and salinity
552        are treated
553      - however, Orlanski-radiation conditions are not supported, and the model
554        will stop if you use pTracers and Orlanski at the same time.
555      - beefed up the rountine obcs_external_fields_load: now only those open
556        boundary values are overwritten with values from files for which there
557        are really files, otherwise the OB-fields remain untouched. This makes
558        it possible to use different OBs at different ends of the domain (as
559        with EXF)
560    o reduce number of exch calls in shap_filt (s2).
561    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
562      truncation level) 4/5 MLAdjust test results (11&12 digits match).
563    
564    checkpoint57t_post
565    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
566    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
567      same truncation, independent of the face number: affects affects several
568      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
569    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
570      note that biharmonic viscosity + no-slip was not tested in any experiment.
571    o fix bug in non-linear free-surf side-drag ; generate new output for
572      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
573    o make mnc honor the writeBinaryPrec flag for most kinds of output
574    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
575    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
576      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
577    o add brackets in multi-terms sum to get same truncation, independent of
578      the face number (manage to get exactly same value of gU,gV at the cs-edge)
579      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
580    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
581      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
582      a maximum grid-scale Reynolds number.  Also, changes all length calculations
583      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
584      Suggested values of viscosity parameters found in mom_calc_visc.
585      Many new viscosity diagnostics available.
586    
587    checkpoint57s_post
588    o Add clearing-house for viscosity calculations, mom_calc_visc and
589      correct numerous bugs in LeithD and Smagorinsky discretizations.  
590      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
591      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
592      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
593      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
594      The Strain-Tension form is now called with useStrainTensonVisc=.true.
595      ViscAhStrain and viscAhTension are now retired.
596    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
597    o In response to JMC's bug report, genmake2 now ignores any soft-links
598      that it finds in the *current* directory when searching for files.
599      Soft-links found in any other source directories will still work as
600      they did before.
601    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
602      a C routine to unlimit the stack size
603    o mnc-ify pkg/aim snapshot vars
604    o mnc-ify pkg/land as requested by Daniel
605    o various changes to mnc including:
606      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
607      - output can now be grouped so that all files within a group
608          change the ITER portion of their names in lock-step together
609      - can now read ("global") PER-FACE (in addition to PER-TILE) files
610          and works with both EXCH1 and EXCH2 (but needs more testing)
611      - writing works for all verification test cases w/ g77 on Linux
612    
613    checkpoint57r_post
614    o make MNC variable initialization happen earlier
615    o add diagnostics for (almost) each term of the momentum Eq.
616    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
617    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
618    o remove MINIMAL_TAVE_OUTPUT option ;
619      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
620    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
621      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
622    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
623    o add time-dependent SST, SSS control
624    o cost terms in ecco/ modularized (new cost_generic.F)
625    o cost_averages routines are modularized (new cost_averagesgeneric.F)
626    o new infrastructure for seaice model vs. obs misfits in seaice/
627      * driver from the_main_loop.F is seaice_cost_driver.F
628      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
629      * gradient check in Exp. 6a of natl_box_adjoint/
630    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
631      (see README file)
632    
633    checkpoint57q_post
634    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
635    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
636      - bug was reported by Jean-Michel and Ian Fenty
637    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
638      update exp. cpl_aim+ocn output.
639    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
640      Needed for high-res. runs with large global files
641      to be able to limit tapelev size
642    o Changed some tests for adjoint:
643      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
644      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
645      * global_ocean.90x40x15/ back to default 3-level checkpointing
646    o Modifications to enable scripted COMMON to MODULE conversion
647      * verification/OpenAD/code/ has necessary scripts and description;
648      * converts, compiles and runs successfully;
649    
650    checkpoint57p_post
651    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
652    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
653      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
654    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
655    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
656      (was already the case for dissipation with mom_vecinv,
657       and also the case for grad.PhiHyd when staggered-timeStep)
658      This will allow to put dissipation out-off the AB time-stepping.
659     Unfortunately, affects truncation error. Update output of exp. that "fails"
660      (cg2d matching number) and leave the others for later: front_relax(10),
661      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
662      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
663    
664    checkpoint57o_post
665    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
666      (2) its ready to be documented during the 20050801 DocFest
667    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
668      for ideal_2D_oce and lab_sea on linux_ia32_g77
669    o set to #undef CTRL_SET_OLD_MAXCVARS_30
670      in global1x1_tot/code_seaice_adj to access indices 32, 33
671      (worth another tag)
672    
673    checkpoint57n_post
674    o adding precip control xx_precip 32
675    o adding swflux control xx_swflux 33
676    o Replacing 10 forcing penalty cost routines by 1 generic.
677    o Implementing partitioning in time-mean and variable adjustment
678      for atmos. state.
679    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
680  o in natl_box_adjoint:  o in natl_box_adjoint:
681    * updated: results_bulk/    * updated exp 1 to 10
682    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
683    o updated global1x1/*_seaice_adj/
684      to incorporate latest changes
685    o enable useSingleCpuIO for mdsio vector routines
686      (applies in particular to tapelev I/O)
687    o removed inefficient K-loop in all active_file*control*.F
688    
689  checkpoint57m_post  checkpoint57m_post
690  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)

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