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revision 1.599 by jmc, Thu Jan 12 16:49:07 2006 UTC revision 1.720 by jmc, Mon Aug 28 15:33:37 2006 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint58o_post
8    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
9      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
10    o change controling S/R for writing pickup file (new S/R do_write_pickup)
11      and clean-up reading/writing of pickup files.
12    o fix local version of read/write pickup (NH part) in rotating_tank/code
13    o simplify EXCH interface:
14     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
15     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
16    o added the regrid package
17    o shelfice:
18     - add a simple boundary layer scheme to reduce noise
19     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
20    
21    checkpoint58n_post
22    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
23       local variable (not in common block).
24    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
25      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
26      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
27        to work with SingleCpuIO.
28    o add "_d 0" to real constant of pkg/cfc subroutines ;
29       update exp. cfc_exemple & tutorial_cfc_offline output files.
30    o multi-threading and IO:
31      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
32        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
33      - barrier before and after reading.
34      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
35      - avoid using MDS_WRITELOCAL for LAND pkg output.
36      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
37        common-block variables ; Allows multi-threading with master-thread IO.
38    o change default MAX_NO_THREADS from 32 to 4 ;
39      and stop cleanly when MAX_NO_THREADS is too small.
40    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
41    
42    checkpoint58m_post
43    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
44       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
45    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
46       keep global_ocean.90x40x15 (for AD testing) with former secondary test
47       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
48    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
49        add MITgcm_tutorials (= code + all the tutorials)
50    o ecco, option to compute cost for total ssh (mean+anom)
51    o consistent with addition of ptracer and ssh in pkg/profiles
52    o profiles: adding ptracer and ssh
53    o testreport: change multi-test output-file name
54      (from output.txt.{name} to output.{name}.txt)
55    o profiles: now ok for mutli-tiles case
56    o seaice: add 4 parameters for different advection schemes for area,
57      (effective) seaice thickness, enthalphy, and snow height. Their default
58      is the standard parameter SEAICEadvScheme
59    o calc_gw:
60     - add cosFacU in zonal viscous flux (harmonic.visc.).
61     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
62       of tutorial_plume_on_slope.
63    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
64    o calc_gw: true flux-form, account for horizontal grid spacing.
65      update rotating_tank results, but not plume_on_slope (affected at
66      truncation level, 11 digits).
67    
68    checkpoint58l_post
69    o calc_gw:
70     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
71     - remove side-drag for now (need to fix it); update plume_on_slope results.
72     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
73    o commit code to make SST/SSS weights spatially variable
74      (based on either variable in-situ or variable initial T/S weights)
75    o pkg/ecco:
76      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
77        now based on horizontally varying weights wthetaLev, wsaltLev
78      * cost_averagesflags now returns year indices in addition to day, month
79      * sflux balance is performed on annual basis
80        (sflxumm, sfluxmm2, bal_sfluxmm)
81      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
82        including separate counting and multipliers
83    o pkg/rbcs
84      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
85    
86    checkpoint58k_post
87    o testreport:
88     - always build in dir. "build" (if not there, mkdir build instead of building
89       & running in input)
90     - run in dir run (if it exists), in build otherwise.
91     - call prepare_run (if input/prepare_run exists)
92     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
93    o pkg/exf modifications to interpolation and rotation routines for more
94       reasonable treatment of North Pole singularity: for tracers North Pole
95       value is set to northernmost zonal-mean value, for zonal velocity it is
96       set to zero, and for meridional velocity it is set to northernmost value.
97    o pkg/exf/exf_check_range.F
98     - add tile index to diagnostics and move stop statement to the very
99       end of the routine.
100    o pkg/diagnostics: (diagnostics_main_init.F)
101      define title of isomorphic variables according to the current config.
102    o pkg/thsice with pkg/seaice dynamics:
103    - fix domain of computation (interior only, required for exf) and do exchanges
104    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
105    o towards a standard way of dealing with multi-threading in MONITOR
106      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
107    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
108       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
109    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
110    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
111    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
112       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
113    o tracer advection:
114     - clean-up and simplify calc_common_factors.F
115     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
116       advection subroutine (but still not used within DST advection S/R)
117    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
118    
119    checkpoint58j_post
120    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
121      from file (collects calls previously in FORWARD_STEP)
122    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
123    o adjoint store dir. adjusted accordingly
124    o genmake2
125      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
126    
127    checkpoint58i_post
128    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
129      on wind stress (SEAICEstressFactor defaults to 1.)
130    o Total number of Timers is finite (<=40): comment out 2 non-essential one
131      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
132    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
133      on CS-grid: no longer loosing mass.
134    o exf & curvilinear-grid: no longer modify longitude xC & xG.
135    o pkg/ggl90: fix sloppy output and fix a bug
136    o pkg/seaice: added SEAICEuseEVPpickup parameter
137      - Set to false in order to start EVP solver with
138        non-EVP pickup files when using SEAICEuseEVP
139      - fix sign error in diffusion in seaice_calc_rhs
140    
141    checkpoint58h_post
142    * Modifications for bottom topography control
143      o replace hFacC by _hFacC at various places
144      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
145      o add non-self-adjoint cg2d_nsa
146      o update autodiff support routines
147      o re-initialise hfac after ctrl_depth_ini
148      o works for 5x5 box, doesnt work for global_ocean.90x40x15
149    * Adding verification for 5x5 box (4-layer) bottom topography control
150    
151    checkpoint58g_post
152    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
153       used for mean seasonal cycle, mean diurnal cycle); add an example
154       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
155    o pkg/ggl90:
156      - add parameter (minimum surface kinetic energy)
157      - fix bug (avoiding division by zero)
158    o couple pkg/thsice to pkg/seaice:
159      - modify advection in seaice to accomodate new scalar fields to be advected
160      - only muliDimAdection scheme work with seaice/thsice
161      - mapping of thsice-variables to seaice-variables, back and forth
162      - does not break the verification experiments, but does not give the
163        desired results either
164    o pkg/seaice
165      - make (default) second order advection a bit less confusing?
166    
167    checkpoint58f_post
168    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
169      to pkg/seaice):
170      - new routines thsice_map_exf and thsice_get_exf provide the interface
171      - add an additional formal parameter to thsice_solve4temp
172    o pkg/exf:
173      - add new fields wspeed, snowprecip (to be able to couple to thsice)
174      - correct Stefan-Boltzmann constant
175      - new parameter for longwave surface emittance
176      - separate some stuff from exf_bulkformulae into new routines  
177        exf_radiation, exf_wind
178      - add new parameters and constants: longwave emissivity for ocean, ice
179        and snow, evaporation parameters over ice
180      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
181        either wind from stress or stress from wind
182    o pkg/thSIce:
183    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
184    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
185       and THSICE_CALC_THICKN
186    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
187    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
188      to make debugging easier.
189    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
190    o pkg/bulk_force:
191      - clean-up comments and parameters ;
192      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
193    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
194      generate new output for test-experiment: aim.5l_cs.thSI
195    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
196      testreport accordingly
197    
198    checkpoint58e_post
199    o SEAICE_CGRID adjoint done
200    o R_STAR adjoint implemented.
201      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
202      * need to sort out init. of h0facc, etc.
203    o Make pkg/profile fully independent of ecco,cost, etc. stuff
204      to be able to use it in pure forward.
205    
206    checkpoint58d_post
207    o upgrade simple test-experiment to tutorial example:
208     step.1: duplicate the experiment and (step.2) will remove the old copy.
209      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
210      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
211      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
212      tutorial_global_oce_biogeo    <- copy of dic_example
213      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
214      tutorial_plume_on_slope       <- copy of plume_on_slope
215      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
216      tutorial_global_oce_optim     <- empty for now (David ?)
217      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
218     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
219    o correct a sign problem in cost_scat.F
220    o obcs and ptracers: fix boundary conditions for advections schemes
221      with larger stencil
222    o thsice adjoint: start
223    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
224      completeness
225    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
226      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
227    o ptracers adjoint:
228      * avoid extensive recomputatations
229      * fix missing re-init. of gptr (missed by TAF)
230    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
231      me to turn off the excessive output to STDOUT that this package produces
232    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
233      and add those terms in Vector-Invariant formulation.
234    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
235      if the control period (xx_hfluxperiod etc) is 0
236    o in profiles pkg, clean routines and fix details
237    o in ecco pkg, reading ssh data:
238      fix problem in case the model does not start at iter0=0
239    o fix mnc-pickup/restart for ptracers
240    o new package prifiles:
241      code to compute profile-based cost by Gael Forget
242      (modifs in ecco, ctrl, autodiff)
243    o Benign bug fix in initialization (spotted by M. Mazloff) of
244      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
245    
246    checkpoint58c_post
247    o adjoint: finish NLFS adjoint and provide reference output in
248      verification/global_ocean.90x40x15/results_ad_nlfs
249    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
250      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
251      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
252      with SEAICE_CGRID defined.
253    o move calendarDumps from "data" to "data.cal" and clean-up the code
254      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
255    o add useEXF & useCAL flags (for now, set in hard-coded way)
256    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
257      (were missing in NH mode, and wrong in quasihydrostatic mode).
258      waiting for Chris updated version of calc_gw to add those CALLs.
259    o fix bug in quasihydrostatic S/R ;
260      add a test for this option: global_ocean.90x40x15.qshyd
261    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
262      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
263    o add on/off flag useOffLine for package OFFLINE
264    o seaice:
265      - modify advection so that it works also on the C-grid
266      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
267        problem in multi-tile runs with C-grid
268      - add flags for clipping ice velocities and/or masking solver forcing
269      - fix drag (ocean on ice) formulation and a bug that caused noise in the
270        C-grid solver
271      - added a few comments to seaice_diffusion.F
272      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
273        are now exclusive)
274      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
275        required re-ordering the code a little:
276       + make DAIRN global variable (defined in SEAICE)
277       + move computation of the viscosities eta and zeta into a new separate
278         routine (because I need to recompute them in seaice_ocean_stress.F)
279    
280    checkpoint58b_post
281    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
282      update output.txt of exp. aim.5l_cs.thSI
283    o various mnc cleanups and improvements:
284      + shrink lookup tables by factor of ~4
285      + better error reporting when running out of lookup space
286      + able to handle longer path/file names (up to 500 chars)
287    o adjoint:
288      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
289      - TBD: "hidden" mom_vecinv recomp. in dynamics
290    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
291     (allow to differentiate between forcing components using new integer flags:
292      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
293     and add new flag to put Dissipation tendency out of Adams-Bashforth.
294    o ecco
295      - enable trend removal from SSH anomaly obs.
296    o adjoint
297      - a fix for PmEpR when #undef EXACT_CONSERV
298      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
299      - try to fix "hidden" recomp. in forward_step for NLFS
300        (NLFS seems broken sometimes after I checked it in)
301    o seaice:
302     - add c-grid version of the dynamic solver:
303       + three new routines that are the c-grid substitute lsr, dynsolver
304         and ostres
305       + put a few fields that were local to dynsolver into global common
306         blocks, so that I can move the computation of stresses etc into
307         seaice_lsr (saves coding but may break the adjoint).
308     - replace more hardwired parameters by runtime parameters
309     - add ice masks that mask the rhs of the implicit solvers where there
310       is no ice (commented out in seaice_dynsolver, because i am not sure
311       if this works properly), eventually this should replace the clipping
312       of ice velocities in seaice_dynsolver to +/-40cm/s.
313    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
314      include it only where its needed
315    o move balancing of fluxes before the call of external_forcing_surf
316    o seaice:
317      - correct units of turning angles (now they are really in degrees)
318      - move computation of GWATX/Y out of main routine into dynsolver
319      - initialize GWATX/Y in seaice_init
320    o Apply mask on Fresh-Water flux (needed for SSH forcing).
321      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
322    o seaice: add runtime flags for turning angles (default to zero)
323    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
324      and trend from exf forcing and ctrl control adjustments
325    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
326      (since checkpoint57x_post)
327    o change the default rotation period to 86164.s = the Earth rotation
328    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
329      and based on a reference stratification. Tested within hs94.cs-32x32x5.
330    o seaice advection: add code for choosing between the default (2nd order
331      central differences) and multiDim advection schemes provided by
332      pkg/generic_advdiff
333    o seaice:
334      - removed all references to SEAICE_GRID.h fields from
335        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
336        (cubed-sphere configuration will change a little)
337      - grid computations in seaice_init are obsolete now.
338      - cleaned up code a little so that is easier to read (hopefully).
339      - added new (better?) discretizations of default advection and diffusion
340        (turn on with SEAICEuseFluxForm)
341      - replace 1 in 3d global fields by kSurface in growth.F
342      
343    checkpoint58a_post
344    o seaice:
345      - bug fix in advect.F
346    o shelfice:
347      - separate shelfice load anomaly from pload (breaks with time
348        dependent forcing), => introduce constant field shelficeLoadAnomaly.
349        Its default is 0., but it may be computed more cleverly from (unknown)
350        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
351        done offline. A good approximation of the pressure load anomaly is
352        necessary to avoid large initial adjustment processes underneath
353        deep-reaching shelfice.
354      - small fix in ISOMIP shelfice_thermodynamics
355      - add more sophisticated thermodynamics of Hellmer (1989), this is
356        now the default
357      - give a few constants more intuitive names
358    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
359      if bulk formulae are used in long integration (especially EmPmR). Turn
360      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
361      if balancePrintMean, the imbalance that is substracted is printed to
362      STDOUT.
363    o fix bug (typo) in obcs_apply_eta.F
364    o add a new package shelfice which enables us to model the circulation
365      underneath shelf-ice with draughts of hundreds of meters.
366     - works
367     - to do: + include improved thermodynamics
368              + check whether kSurfC (from model/inc/SURFACE.h) can be used
369                instead of new field kTopC
370              + can we use topoFile, Ro_surf and existing code in ini_depth.F
371                instead of new field R_shelfIce and new code in ini_depth.F
372                and ini_mask_etc.F?
373              + adjust vertical mixing schemes?
374    o seaice pkg:
375     - add a cpp-flag to include a simple formula for a salinity dependent
376       freezing point of sea water at the surface
377     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
378       meridional stresses are now different (and hopefully correct)
379    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
380       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
381       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
382    o pkg/diagnostics: add options and parameters for regional-statistics
383       diagnostics ; define regions by reading a region-mask from a file
384       (might add other options later)
385    o pkg/bulk_force:
386     - add option and parameters to use AIM surface-flux formulae.
387     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
388       others forcing fields (defined in PARM05, parameter file "data") are loaded
389       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
390     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
391     - use the right EXCH call for uwind,vwind (to work on CS-grid).
392     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
393       and parameters (note: calcWindStress replaces .NOT.readwindstress).
394     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
395    
396  checkpoint58  checkpoint58
397  o add "--embed-source" option to genmake2 which, when the supporting  o add "--embed-source" option to genmake2 which, when the supporting
398    tools can be compiled (as determined by genmake2) will turn on the    tools can be compiled (as determined by genmake2) will turn on the

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