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revision 1.599 by jmc, Thu Jan 12 16:49:07 2006 UTC revision 1.719 by jmc, Thu Aug 24 20:41:53 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 change controling S/R for writing pickup file (new S/R do_write_pickup)
8      and clean-up reading/writing of pickup files.
9    o fix local version of read/write pickup (NH part) in rotating_tank/code
10    o simplify EXCH interface:
11     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
12     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
13    o added the regrid package
14    o shelfice:
15     - add a simple boundary layer scheme to reduce noise
16     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
17    
18    checkpoint58n_post
19    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
20       local variable (not in common block).
21    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
22      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
23      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
24        to work with SingleCpuIO.
25    o add "_d 0" to real constant of pkg/cfc subroutines ;
26       update exp. cfc_exemple & tutorial_cfc_offline output files.
27    o multi-threading and IO:
28      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
29        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
30      - barrier before and after reading.
31      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
32      - avoid using MDS_WRITELOCAL for LAND pkg output.
33      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
34        common-block variables ; Allows multi-threading with master-thread IO.
35    o change default MAX_NO_THREADS from 32 to 4 ;
36      and stop cleanly when MAX_NO_THREADS is too small.
37    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
38    
39    checkpoint58m_post
40    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
41       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
42    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
43       keep global_ocean.90x40x15 (for AD testing) with former secondary test
44       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
45    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
46        add MITgcm_tutorials (= code + all the tutorials)
47    o ecco, option to compute cost for total ssh (mean+anom)
48    o consistent with addition of ptracer and ssh in pkg/profiles
49    o profiles: adding ptracer and ssh
50    o testreport: change multi-test output-file name
51      (from output.txt.{name} to output.{name}.txt)
52    o profiles: now ok for mutli-tiles case
53    o seaice: add 4 parameters for different advection schemes for area,
54      (effective) seaice thickness, enthalphy, and snow height. Their default
55      is the standard parameter SEAICEadvScheme
56    o calc_gw:
57     - add cosFacU in zonal viscous flux (harmonic.visc.).
58     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
59       of tutorial_plume_on_slope.
60    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
61    o calc_gw: true flux-form, account for horizontal grid spacing.
62      update rotating_tank results, but not plume_on_slope (affected at
63      truncation level, 11 digits).
64    
65    checkpoint58l_post
66    o calc_gw:
67     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
68     - remove side-drag for now (need to fix it); update plume_on_slope results.
69     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
70    o commit code to make SST/SSS weights spatially variable
71      (based on either variable in-situ or variable initial T/S weights)
72    o pkg/ecco:
73      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
74        now based on horizontally varying weights wthetaLev, wsaltLev
75      * cost_averagesflags now returns year indices in addition to day, month
76      * sflux balance is performed on annual basis
77        (sflxumm, sfluxmm2, bal_sfluxmm)
78      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
79        including separate counting and multipliers
80    o pkg/rbcs
81      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
82    
83    checkpoint58k_post
84    o testreport:
85     - always build in dir. "build" (if not there, mkdir build instead of building
86       & running in input)
87     - run in dir run (if it exists), in build otherwise.
88     - call prepare_run (if input/prepare_run exists)
89     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
90    o pkg/exf modifications to interpolation and rotation routines for more
91       reasonable treatment of North Pole singularity: for tracers North Pole
92       value is set to northernmost zonal-mean value, for zonal velocity it is
93       set to zero, and for meridional velocity it is set to northernmost value.
94    o pkg/exf/exf_check_range.F
95     - add tile index to diagnostics and move stop statement to the very
96       end of the routine.
97    o pkg/diagnostics: (diagnostics_main_init.F)
98      define title of isomorphic variables according to the current config.
99    o pkg/thsice with pkg/seaice dynamics:
100    - fix domain of computation (interior only, required for exf) and do exchanges
101    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
102    o towards a standard way of dealing with multi-threading in MONITOR
103      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
104    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
105       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
106    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
107    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
108    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
109       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
110    o tracer advection:
111     - clean-up and simplify calc_common_factors.F
112     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
113       advection subroutine (but still not used within DST advection S/R)
114    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
115    
116    checkpoint58j_post
117    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
118      from file (collects calls previously in FORWARD_STEP)
119    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
120    o adjoint store dir. adjusted accordingly
121    o genmake2
122      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
123    
124    checkpoint58i_post
125    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
126      on wind stress (SEAICEstressFactor defaults to 1.)
127    o Total number of Timers is finite (<=40): comment out 2 non-essential one
128      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
129    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
130      on CS-grid: no longer loosing mass.
131    o exf & curvilinear-grid: no longer modify longitude xC & xG.
132    o pkg/ggl90: fix sloppy output and fix a bug
133    o pkg/seaice: added SEAICEuseEVPpickup parameter
134      - Set to false in order to start EVP solver with
135        non-EVP pickup files when using SEAICEuseEVP
136      - fix sign error in diffusion in seaice_calc_rhs
137    
138    checkpoint58h_post
139    * Modifications for bottom topography control
140      o replace hFacC by _hFacC at various places
141      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
142      o add non-self-adjoint cg2d_nsa
143      o update autodiff support routines
144      o re-initialise hfac after ctrl_depth_ini
145      o works for 5x5 box, doesnt work for global_ocean.90x40x15
146    * Adding verification for 5x5 box (4-layer) bottom topography control
147    
148    checkpoint58g_post
149    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
150       used for mean seasonal cycle, mean diurnal cycle); add an example
151       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
152    o pkg/ggl90:
153      - add parameter (minimum surface kinetic energy)
154      - fix bug (avoiding division by zero)
155    o couple pkg/thsice to pkg/seaice:
156      - modify advection in seaice to accomodate new scalar fields to be advected
157      - only muliDimAdection scheme work with seaice/thsice
158      - mapping of thsice-variables to seaice-variables, back and forth
159      - does not break the verification experiments, but does not give the
160        desired results either
161    o pkg/seaice
162      - make (default) second order advection a bit less confusing?
163    
164    checkpoint58f_post
165    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
166      to pkg/seaice):
167      - new routines thsice_map_exf and thsice_get_exf provide the interface
168      - add an additional formal parameter to thsice_solve4temp
169    o pkg/exf:
170      - add new fields wspeed, snowprecip (to be able to couple to thsice)
171      - correct Stefan-Boltzmann constant
172      - new parameter for longwave surface emittance
173      - separate some stuff from exf_bulkformulae into new routines  
174        exf_radiation, exf_wind
175      - add new parameters and constants: longwave emissivity for ocean, ice
176        and snow, evaporation parameters over ice
177      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
178        either wind from stress or stress from wind
179    o pkg/thSIce:
180    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
181    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
182       and THSICE_CALC_THICKN
183    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
184    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
185      to make debugging easier.
186    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
187    o pkg/bulk_force:
188      - clean-up comments and parameters ;
189      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
190    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
191      generate new output for test-experiment: aim.5l_cs.thSI
192    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
193      testreport accordingly
194    
195    checkpoint58e_post
196    o SEAICE_CGRID adjoint done
197    o R_STAR adjoint implemented.
198      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
199      * need to sort out init. of h0facc, etc.
200    o Make pkg/profile fully independent of ecco,cost, etc. stuff
201      to be able to use it in pure forward.
202    
203    checkpoint58d_post
204    o upgrade simple test-experiment to tutorial example:
205     step.1: duplicate the experiment and (step.2) will remove the old copy.
206      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
207      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
208      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
209      tutorial_global_oce_biogeo    <- copy of dic_example
210      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
211      tutorial_plume_on_slope       <- copy of plume_on_slope
212      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
213      tutorial_global_oce_optim     <- empty for now (David ?)
214      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
215     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
216    o correct a sign problem in cost_scat.F
217    o obcs and ptracers: fix boundary conditions for advections schemes
218      with larger stencil
219    o thsice adjoint: start
220    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
221      completeness
222    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
223      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
224    o ptracers adjoint:
225      * avoid extensive recomputatations
226      * fix missing re-init. of gptr (missed by TAF)
227    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
228      me to turn off the excessive output to STDOUT that this package produces
229    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
230      and add those terms in Vector-Invariant formulation.
231    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
232      if the control period (xx_hfluxperiod etc) is 0
233    o in profiles pkg, clean routines and fix details
234    o in ecco pkg, reading ssh data:
235      fix problem in case the model does not start at iter0=0
236    o fix mnc-pickup/restart for ptracers
237    o new package prifiles:
238      code to compute profile-based cost by Gael Forget
239      (modifs in ecco, ctrl, autodiff)
240    o Benign bug fix in initialization (spotted by M. Mazloff) of
241      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
242    
243    checkpoint58c_post
244    o adjoint: finish NLFS adjoint and provide reference output in
245      verification/global_ocean.90x40x15/results_ad_nlfs
246    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
247      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
248      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
249      with SEAICE_CGRID defined.
250    o move calendarDumps from "data" to "data.cal" and clean-up the code
251      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
252    o add useEXF & useCAL flags (for now, set in hard-coded way)
253    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
254      (were missing in NH mode, and wrong in quasihydrostatic mode).
255      waiting for Chris updated version of calc_gw to add those CALLs.
256    o fix bug in quasihydrostatic S/R ;
257      add a test for this option: global_ocean.90x40x15.qshyd
258    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
259      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
260    o add on/off flag useOffLine for package OFFLINE
261    o seaice:
262      - modify advection so that it works also on the C-grid
263      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
264        problem in multi-tile runs with C-grid
265      - add flags for clipping ice velocities and/or masking solver forcing
266      - fix drag (ocean on ice) formulation and a bug that caused noise in the
267        C-grid solver
268      - added a few comments to seaice_diffusion.F
269      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
270        are now exclusive)
271      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
272        required re-ordering the code a little:
273       + make DAIRN global variable (defined in SEAICE)
274       + move computation of the viscosities eta and zeta into a new separate
275         routine (because I need to recompute them in seaice_ocean_stress.F)
276    
277    checkpoint58b_post
278    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
279      update output.txt of exp. aim.5l_cs.thSI
280    o various mnc cleanups and improvements:
281      + shrink lookup tables by factor of ~4
282      + better error reporting when running out of lookup space
283      + able to handle longer path/file names (up to 500 chars)
284    o adjoint:
285      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
286      - TBD: "hidden" mom_vecinv recomp. in dynamics
287    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
288     (allow to differentiate between forcing components using new integer flags:
289      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
290     and add new flag to put Dissipation tendency out of Adams-Bashforth.
291    o ecco
292      - enable trend removal from SSH anomaly obs.
293    o adjoint
294      - a fix for PmEpR when #undef EXACT_CONSERV
295      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
296      - try to fix "hidden" recomp. in forward_step for NLFS
297        (NLFS seems broken sometimes after I checked it in)
298    o seaice:
299     - add c-grid version of the dynamic solver:
300       + three new routines that are the c-grid substitute lsr, dynsolver
301         and ostres
302       + put a few fields that were local to dynsolver into global common
303         blocks, so that I can move the computation of stresses etc into
304         seaice_lsr (saves coding but may break the adjoint).
305     - replace more hardwired parameters by runtime parameters
306     - add ice masks that mask the rhs of the implicit solvers where there
307       is no ice (commented out in seaice_dynsolver, because i am not sure
308       if this works properly), eventually this should replace the clipping
309       of ice velocities in seaice_dynsolver to +/-40cm/s.
310    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
311      include it only where its needed
312    o move balancing of fluxes before the call of external_forcing_surf
313    o seaice:
314      - correct units of turning angles (now they are really in degrees)
315      - move computation of GWATX/Y out of main routine into dynsolver
316      - initialize GWATX/Y in seaice_init
317    o Apply mask on Fresh-Water flux (needed for SSH forcing).
318      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
319    o seaice: add runtime flags for turning angles (default to zero)
320    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
321      and trend from exf forcing and ctrl control adjustments
322    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
323      (since checkpoint57x_post)
324    o change the default rotation period to 86164.s = the Earth rotation
325    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
326      and based on a reference stratification. Tested within hs94.cs-32x32x5.
327    o seaice advection: add code for choosing between the default (2nd order
328      central differences) and multiDim advection schemes provided by
329      pkg/generic_advdiff
330    o seaice:
331      - removed all references to SEAICE_GRID.h fields from
332        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
333        (cubed-sphere configuration will change a little)
334      - grid computations in seaice_init are obsolete now.
335      - cleaned up code a little so that is easier to read (hopefully).
336      - added new (better?) discretizations of default advection and diffusion
337        (turn on with SEAICEuseFluxForm)
338      - replace 1 in 3d global fields by kSurface in growth.F
339      
340    checkpoint58a_post
341    o seaice:
342      - bug fix in advect.F
343    o shelfice:
344      - separate shelfice load anomaly from pload (breaks with time
345        dependent forcing), => introduce constant field shelficeLoadAnomaly.
346        Its default is 0., but it may be computed more cleverly from (unknown)
347        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
348        done offline. A good approximation of the pressure load anomaly is
349        necessary to avoid large initial adjustment processes underneath
350        deep-reaching shelfice.
351      - small fix in ISOMIP shelfice_thermodynamics
352      - add more sophisticated thermodynamics of Hellmer (1989), this is
353        now the default
354      - give a few constants more intuitive names
355    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
356      if bulk formulae are used in long integration (especially EmPmR). Turn
357      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
358      if balancePrintMean, the imbalance that is substracted is printed to
359      STDOUT.
360    o fix bug (typo) in obcs_apply_eta.F
361    o add a new package shelfice which enables us to model the circulation
362      underneath shelf-ice with draughts of hundreds of meters.
363     - works
364     - to do: + include improved thermodynamics
365              + check whether kSurfC (from model/inc/SURFACE.h) can be used
366                instead of new field kTopC
367              + can we use topoFile, Ro_surf and existing code in ini_depth.F
368                instead of new field R_shelfIce and new code in ini_depth.F
369                and ini_mask_etc.F?
370              + adjust vertical mixing schemes?
371    o seaice pkg:
372     - add a cpp-flag to include a simple formula for a salinity dependent
373       freezing point of sea water at the surface
374     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
375       meridional stresses are now different (and hopefully correct)
376    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
377       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
378       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
379    o pkg/diagnostics: add options and parameters for regional-statistics
380       diagnostics ; define regions by reading a region-mask from a file
381       (might add other options later)
382    o pkg/bulk_force:
383     - add option and parameters to use AIM surface-flux formulae.
384     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
385       others forcing fields (defined in PARM05, parameter file "data") are loaded
386       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
387     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
388     - use the right EXCH call for uwind,vwind (to work on CS-grid).
389     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
390       and parameters (note: calcWindStress replaces .NOT.readwindstress).
391     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
392    
393  checkpoint58  checkpoint58
394  o add "--embed-source" option to genmake2 which, when the supporting  o add "--embed-source" option to genmake2 which, when the supporting
395    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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