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revision 1.598 by edhill, Wed Jan 11 06:04:11 2006 UTC revision 1.733 by jmc, Tue Oct 17 19:08:57 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 clean-up multi-threaded problems (reported by debugger tcheck on ACES);
8      add (in global_with_exf/code) a version of EXF_INTERP_READ without
9      dynamical allocation (seems to work in multi-threaded).
10    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
11      single CPU io) so that TAF does not have to see EESUPPORT.h
12    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
13    
14    checkpoint58p_post
15    o obcs: stop if obcs is used with useCDscheme = .true.
16    o shelfice:
17     - fix a sign error so that no slip at shelfice interface works
18     - remove stop for combination non-hydrostatic code and shelfice. That does
19       not mean, that the results are correct, but at least they are numerically
20       stable
21    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
22    o added adjoint exch routined for all exch*3d* routines
23      and updated flow directives
24    
25    checkpoint58o_post
26    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
27      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
28    o change controling S/R for writing pickup file (new S/R do_write_pickup)
29      and clean-up reading/writing of pickup files.
30    o fix local version of read/write pickup (NH part) in rotating_tank/code
31    o simplify EXCH interface:
32     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
33     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
34    o added the regrid package
35    o shelfice:
36     - add a simple boundary layer scheme to reduce noise
37     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
38    
39    checkpoint58n_post
40    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
41       local variable (not in common block).
42    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
43      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
44      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
45        to work with SingleCpuIO.
46    o add "_d 0" to real constant of pkg/cfc subroutines ;
47       update exp. cfc_exemple & tutorial_cfc_offline output files.
48    o multi-threading and IO:
49      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
50        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
51      - barrier before and after reading.
52      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
53      - avoid using MDS_WRITELOCAL for LAND pkg output.
54      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
55        common-block variables ; Allows multi-threading with master-thread IO.
56    o change default MAX_NO_THREADS from 32 to 4 ;
57      and stop cleanly when MAX_NO_THREADS is too small.
58    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
59    
60    checkpoint58m_post
61    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
62       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
63    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
64       keep global_ocean.90x40x15 (for AD testing) with former secondary test
65       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
66    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
67        add MITgcm_tutorials (= code + all the tutorials)
68    o ecco, option to compute cost for total ssh (mean+anom)
69    o consistent with addition of ptracer and ssh in pkg/profiles
70    o profiles: adding ptracer and ssh
71    o testreport: change multi-test output-file name
72      (from output.txt.{name} to output.{name}.txt)
73    o profiles: now ok for mutli-tiles case
74    o seaice: add 4 parameters for different advection schemes for area,
75      (effective) seaice thickness, enthalphy, and snow height. Their default
76      is the standard parameter SEAICEadvScheme
77    o calc_gw:
78     - add cosFacU in zonal viscous flux (harmonic.visc.).
79     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
80       of tutorial_plume_on_slope.
81    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
82    o calc_gw: true flux-form, account for horizontal grid spacing.
83      update rotating_tank results, but not plume_on_slope (affected at
84      truncation level, 11 digits).
85    
86    checkpoint58l_post
87    o calc_gw:
88     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
89     - remove side-drag for now (need to fix it); update plume_on_slope results.
90     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
91    o commit code to make SST/SSS weights spatially variable
92      (based on either variable in-situ or variable initial T/S weights)
93    o pkg/ecco:
94      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
95        now based on horizontally varying weights wthetaLev, wsaltLev
96      * cost_averagesflags now returns year indices in addition to day, month
97      * sflux balance is performed on annual basis
98        (sflxumm, sfluxmm2, bal_sfluxmm)
99      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
100        including separate counting and multipliers
101    o pkg/rbcs
102      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
103    
104    checkpoint58k_post
105    o testreport:
106     - always build in dir. "build" (if not there, mkdir build instead of building
107       & running in input)
108     - run in dir run (if it exists), in build otherwise.
109     - call prepare_run (if input/prepare_run exists)
110     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
111    o pkg/exf modifications to interpolation and rotation routines for more
112       reasonable treatment of North Pole singularity: for tracers North Pole
113       value is set to northernmost zonal-mean value, for zonal velocity it is
114       set to zero, and for meridional velocity it is set to northernmost value.
115    o pkg/exf/exf_check_range.F
116     - add tile index to diagnostics and move stop statement to the very
117       end of the routine.
118    o pkg/diagnostics: (diagnostics_main_init.F)
119      define title of isomorphic variables according to the current config.
120    o pkg/thsice with pkg/seaice dynamics:
121    - fix domain of computation (interior only, required for exf) and do exchanges
122    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
123    o towards a standard way of dealing with multi-threading in MONITOR
124      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
125    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
126       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
127    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
128    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
129    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
130       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
131    o tracer advection:
132     - clean-up and simplify calc_common_factors.F
133     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
134       advection subroutine (but still not used within DST advection S/R)
135    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
136    
137    checkpoint58j_post
138    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
139      from file (collects calls previously in FORWARD_STEP)
140    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
141    o adjoint store dir. adjusted accordingly
142    o genmake2
143      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
144    
145    checkpoint58i_post
146    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
147      on wind stress (SEAICEstressFactor defaults to 1.)
148    o Total number of Timers is finite (<=40): comment out 2 non-essential one
149      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
150    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
151      on CS-grid: no longer loosing mass.
152    o exf & curvilinear-grid: no longer modify longitude xC & xG.
153    o pkg/ggl90: fix sloppy output and fix a bug
154    o pkg/seaice: added SEAICEuseEVPpickup parameter
155      - Set to false in order to start EVP solver with
156        non-EVP pickup files when using SEAICEuseEVP
157      - fix sign error in diffusion in seaice_calc_rhs
158    
159    checkpoint58h_post
160    * Modifications for bottom topography control
161      o replace hFacC by _hFacC at various places
162      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
163      o add non-self-adjoint cg2d_nsa
164      o update autodiff support routines
165      o re-initialise hfac after ctrl_depth_ini
166      o works for 5x5 box, doesnt work for global_ocean.90x40x15
167    * Adding verification for 5x5 box (4-layer) bottom topography control
168    
169    checkpoint58g_post
170    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
171       used for mean seasonal cycle, mean diurnal cycle); add an example
172       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
173    o pkg/ggl90:
174      - add parameter (minimum surface kinetic energy)
175      - fix bug (avoiding division by zero)
176    o couple pkg/thsice to pkg/seaice:
177      - modify advection in seaice to accomodate new scalar fields to be advected
178      - only muliDimAdection scheme work with seaice/thsice
179      - mapping of thsice-variables to seaice-variables, back and forth
180      - does not break the verification experiments, but does not give the
181        desired results either
182    o pkg/seaice
183      - make (default) second order advection a bit less confusing?
184    
185    checkpoint58f_post
186    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
187      to pkg/seaice):
188      - new routines thsice_map_exf and thsice_get_exf provide the interface
189      - add an additional formal parameter to thsice_solve4temp
190    o pkg/exf:
191      - add new fields wspeed, snowprecip (to be able to couple to thsice)
192      - correct Stefan-Boltzmann constant
193      - new parameter for longwave surface emittance
194      - separate some stuff from exf_bulkformulae into new routines  
195        exf_radiation, exf_wind
196      - add new parameters and constants: longwave emissivity for ocean, ice
197        and snow, evaporation parameters over ice
198      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
199        either wind from stress or stress from wind
200    o pkg/thSIce:
201    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
202    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
203       and THSICE_CALC_THICKN
204    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
205    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
206      to make debugging easier.
207    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
208    o pkg/bulk_force:
209      - clean-up comments and parameters ;
210      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
211    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
212      generate new output for test-experiment: aim.5l_cs.thSI
213    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
214      testreport accordingly
215    
216    checkpoint58e_post
217    o SEAICE_CGRID adjoint done
218    o R_STAR adjoint implemented.
219      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
220      * need to sort out init. of h0facc, etc.
221    o Make pkg/profile fully independent of ecco,cost, etc. stuff
222      to be able to use it in pure forward.
223    
224    checkpoint58d_post
225    o upgrade simple test-experiment to tutorial example:
226     step.1: duplicate the experiment and (step.2) will remove the old copy.
227      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
228      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
229      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
230      tutorial_global_oce_biogeo    <- copy of dic_example
231      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
232      tutorial_plume_on_slope       <- copy of plume_on_slope
233      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
234      tutorial_global_oce_optim     <- empty for now (David ?)
235      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
236     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
237    o correct a sign problem in cost_scat.F
238    o obcs and ptracers: fix boundary conditions for advections schemes
239      with larger stencil
240    o thsice adjoint: start
241    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
242      completeness
243    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
244      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
245    o ptracers adjoint:
246      * avoid extensive recomputatations
247      * fix missing re-init. of gptr (missed by TAF)
248    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
249      me to turn off the excessive output to STDOUT that this package produces
250    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
251      and add those terms in Vector-Invariant formulation.
252    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
253      if the control period (xx_hfluxperiod etc) is 0
254    o in profiles pkg, clean routines and fix details
255    o in ecco pkg, reading ssh data:
256      fix problem in case the model does not start at iter0=0
257    o fix mnc-pickup/restart for ptracers
258    o new package prifiles:
259      code to compute profile-based cost by Gael Forget
260      (modifs in ecco, ctrl, autodiff)
261    o Benign bug fix in initialization (spotted by M. Mazloff) of
262      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
263    
264    checkpoint58c_post
265    o adjoint: finish NLFS adjoint and provide reference output in
266      verification/global_ocean.90x40x15/results_ad_nlfs
267    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
268      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
269      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
270      with SEAICE_CGRID defined.
271    o move calendarDumps from "data" to "data.cal" and clean-up the code
272      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
273    o add useEXF & useCAL flags (for now, set in hard-coded way)
274    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
275      (were missing in NH mode, and wrong in quasihydrostatic mode).
276      waiting for Chris updated version of calc_gw to add those CALLs.
277    o fix bug in quasihydrostatic S/R ;
278      add a test for this option: global_ocean.90x40x15.qshyd
279    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
280      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
281    o add on/off flag useOffLine for package OFFLINE
282    o seaice:
283      - modify advection so that it works also on the C-grid
284      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
285        problem in multi-tile runs with C-grid
286      - add flags for clipping ice velocities and/or masking solver forcing
287      - fix drag (ocean on ice) formulation and a bug that caused noise in the
288        C-grid solver
289      - added a few comments to seaice_diffusion.F
290      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
291        are now exclusive)
292      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
293        required re-ordering the code a little:
294       + make DAIRN global variable (defined in SEAICE)
295       + move computation of the viscosities eta and zeta into a new separate
296         routine (because I need to recompute them in seaice_ocean_stress.F)
297    
298    checkpoint58b_post
299    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
300      update output.txt of exp. aim.5l_cs.thSI
301    o various mnc cleanups and improvements:
302      + shrink lookup tables by factor of ~4
303      + better error reporting when running out of lookup space
304      + able to handle longer path/file names (up to 500 chars)
305    o adjoint:
306      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
307      - TBD: "hidden" mom_vecinv recomp. in dynamics
308    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
309     (allow to differentiate between forcing components using new integer flags:
310      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
311     and add new flag to put Dissipation tendency out of Adams-Bashforth.
312    o ecco
313      - enable trend removal from SSH anomaly obs.
314    o adjoint
315      - a fix for PmEpR when #undef EXACT_CONSERV
316      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
317      - try to fix "hidden" recomp. in forward_step for NLFS
318        (NLFS seems broken sometimes after I checked it in)
319    o seaice:
320     - add c-grid version of the dynamic solver:
321       + three new routines that are the c-grid substitute lsr, dynsolver
322         and ostres
323       + put a few fields that were local to dynsolver into global common
324         blocks, so that I can move the computation of stresses etc into
325         seaice_lsr (saves coding but may break the adjoint).
326     - replace more hardwired parameters by runtime parameters
327     - add ice masks that mask the rhs of the implicit solvers where there
328       is no ice (commented out in seaice_dynsolver, because i am not sure
329       if this works properly), eventually this should replace the clipping
330       of ice velocities in seaice_dynsolver to +/-40cm/s.
331    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
332      include it only where its needed
333    o move balancing of fluxes before the call of external_forcing_surf
334    o seaice:
335      - correct units of turning angles (now they are really in degrees)
336      - move computation of GWATX/Y out of main routine into dynsolver
337      - initialize GWATX/Y in seaice_init
338    o Apply mask on Fresh-Water flux (needed for SSH forcing).
339      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
340    o seaice: add runtime flags for turning angles (default to zero)
341    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
342      and trend from exf forcing and ctrl control adjustments
343    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
344      (since checkpoint57x_post)
345    o change the default rotation period to 86164.s = the Earth rotation
346    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
347      and based on a reference stratification. Tested within hs94.cs-32x32x5.
348    o seaice advection: add code for choosing between the default (2nd order
349      central differences) and multiDim advection schemes provided by
350      pkg/generic_advdiff
351    o seaice:
352      - removed all references to SEAICE_GRID.h fields from
353        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
354        (cubed-sphere configuration will change a little)
355      - grid computations in seaice_init are obsolete now.
356      - cleaned up code a little so that is easier to read (hopefully).
357      - added new (better?) discretizations of default advection and diffusion
358        (turn on with SEAICEuseFluxForm)
359      - replace 1 in 3d global fields by kSurface in growth.F
360      
361    checkpoint58a_post
362    o seaice:
363      - bug fix in advect.F
364    o shelfice:
365      - separate shelfice load anomaly from pload (breaks with time
366        dependent forcing), => introduce constant field shelficeLoadAnomaly.
367        Its default is 0., but it may be computed more cleverly from (unknown)
368        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
369        done offline. A good approximation of the pressure load anomaly is
370        necessary to avoid large initial adjustment processes underneath
371        deep-reaching shelfice.
372      - small fix in ISOMIP shelfice_thermodynamics
373      - add more sophisticated thermodynamics of Hellmer (1989), this is
374        now the default
375      - give a few constants more intuitive names
376    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
377      if bulk formulae are used in long integration (especially EmPmR). Turn
378      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
379      if balancePrintMean, the imbalance that is substracted is printed to
380      STDOUT.
381    o fix bug (typo) in obcs_apply_eta.F
382    o add a new package shelfice which enables us to model the circulation
383      underneath shelf-ice with draughts of hundreds of meters.
384     - works
385     - to do: + include improved thermodynamics
386              + check whether kSurfC (from model/inc/SURFACE.h) can be used
387                instead of new field kTopC
388              + can we use topoFile, Ro_surf and existing code in ini_depth.F
389                instead of new field R_shelfIce and new code in ini_depth.F
390                and ini_mask_etc.F?
391              + adjust vertical mixing schemes?
392    o seaice pkg:
393     - add a cpp-flag to include a simple formula for a salinity dependent
394       freezing point of sea water at the surface
395     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
396       meridional stresses are now different (and hopefully correct)
397    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
398       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
399       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
400    o pkg/diagnostics: add options and parameters for regional-statistics
401       diagnostics ; define regions by reading a region-mask from a file
402       (might add other options later)
403    o pkg/bulk_force:
404     - add option and parameters to use AIM surface-flux formulae.
405     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
406       others forcing fields (defined in PARM05, parameter file "data") are loaded
407       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
408     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
409     - use the right EXCH call for uwind,vwind (to work on CS-grid).
410     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
411       and parameters (note: calcWindStress replaces .NOT.readwindstress).
412     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
413    
414    checkpoint58
415  o add "--embed-source" option to genmake2 which, when the supporting  o add "--embed-source" option to genmake2 which, when the supporting
416    tools can be compiled (as determined by genmake2) will turn on the    tools can be compiled (as determined by genmake2) will turn on the
417    embed_files package which then embeds the entire MITgcm source code    embed_files package which then embeds the entire MITgcm source code

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