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revision 1.269 by edhill, Fri Mar 19 05:15:56 2004 UTC revision 1.758 by jmc, Wed Dec 20 20:47:30 2006 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o fix multi-category seaice:
8     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
9       SEAICE_MULTICATEGORY
10     - fix short wave heat flux
11    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
12       and allow to use EVP solver. Change forward lab_sea: test both EVP
13       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
14    o Initial check-in of lab_sea adjoint
15      (very similar to natl_box_adjoint/code_seaice)
16      * used C-grid and EVP solver
17      * used KPP, GM/Redi
18      * uses inAdExact=.TRUE.
19      * gradient checks fail for both ADM and TLM
20        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
21        f.d. gradients actually seem more problematic than ADM, TLM gradients;
22        issue is related to forward mismatch between g77 an ifort
23    o pkg/seaice: overhaul of thermodynamics
24     - growth.F and groatb.F are replaced by new routine seaice_growth.F
25     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
26     - move a few global fields out of SEAICE.h into seaice_growth.F and
27       make them 2D (FICE/QNETO/ ...)
28     - remove FO (it is the same as QNETO)
29     - introduce a few local fields to avoid modifying external fields such
30       as atemp, etc.
31    
32    checkpoint58s_post
33    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
34      changed exf_set_gen.F so that
35        genperiod=0 means input file is one time-constant field and
36        genperiod=-12 means input file contains 12 monthly means
37    o CG2D: use pre-computed solver main-diagonal (stored in common block);
38      this affects truncation error ; generate new output file for exp. which
39      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
40        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
41        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
42        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
43        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
44        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
45    o start implementation of deep-atmosphere and anelastic formulation
46    o verification: remove 2nd copy of input files and use script "prepare_run"
47      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
48    o mom_common/vecinv/fluxform: fix a few initialisation isssues
49    o profiles: fix for multithreaded case
50    
51    o diagnostics: rename few diags:
52      s/'PRESSURE'/'RCENTER '/g
53      s/'TICE    '/'oceFreez'/g
54      s/'TAUX    '/'oceTAUX '/g
55      s/'TAUY    '/'oceTAUY '/g
56      s/'SWFLUX  '/'oceQsw  '/g
57      s/DIFx/DFxE/g
58      s/DIFy/DFyE/g
59      and add few ocean-forcing diagnostics:
60      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
61    o modifications to pkg/seaice/growth.F and budget.F, which change results of
62      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
63      as actual snow thickness.  It now refers everywhere to effective snow
64      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
65    
66    checkpoint58r_post
67    o modifications to pkg/seaice/growth.F, which change results of
68      lab_sea experiment: fixes pertain to melting snow over open water, to
69      masking EVAP under sea ice, and to using the correct AREA variable for
70      computations of EVAP, PRECIP, HSNOW, and GHEFF
71    o add ability to read bathy, salt, and theta using MNC (off by def)
72    o add flooding algorithm and advection of HSNOW for pkg/seaice;
73      both are turned off by default and do no change any results
74    o seaice advection with pkg/thsice: a step toward the use of non-linear
75      advection scheme, but #ifdef or commented out for now (requires more EXCH).
76    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
77      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
78      in natl_box (affects results @ truncation level: update output.txt)
79    o multi-threading and IO:
80      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
81      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
82        (needed to work with SingleCpuIO): tested in all verif. exp.
83    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
84      affects the results (but none of the verification test uses this scheme).
85    o Adding some pkg/diagnostics capability to pkg/seaice
86      (will certainly be subject to changes)
87    o ctrl: adding new control variables:
88      lwflux, lwdown, evap, snowprecip, apressure, runoff
89    
90    checkpoint58q_post
91    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
92      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
93      high_res_cube configuration by 4% on Columbia.
94    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
95      add (in global_with_exf/code) a version of EXF_INTERP_READ without
96      dynamical allocation (seems to work in multi-threaded).
97    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
98      single CPU io) so that TAF does not have to see EESUPPORT.h
99    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
100    
101    checkpoint58p_post
102    o obcs: stop if obcs is used with useCDscheme = .true.
103    o shelfice:
104     - fix a sign error so that no slip at shelfice interface works
105     - remove stop for combination non-hydrostatic code and shelfice. That does
106       not mean, that the results are correct, but at least they are numerically
107       stable
108    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
109    o added adjoint exch routined for all exch*3d* routines
110      and updated flow directives
111    
112    checkpoint58o_post
113    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
114      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
115    o change controling S/R for writing pickup file (new S/R do_write_pickup)
116      and clean-up reading/writing of pickup files.
117    o fix local version of read/write pickup (NH part) in rotating_tank/code
118    o simplify EXCH interface:
119     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
120     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
121    o added the regrid package
122    o shelfice:
123     - add a simple boundary layer scheme to reduce noise
124     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
125    
126    checkpoint58n_post
127    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
128       local variable (not in common block).
129    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
130      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
131      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
132        to work with SingleCpuIO.
133    o add "_d 0" to real constant of pkg/cfc subroutines ;
134       update exp. cfc_exemple & tutorial_cfc_offline output files.
135    o multi-threading and IO:
136      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
137        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
138      - barrier before and after reading.
139      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
140      - avoid using MDS_WRITELOCAL for LAND pkg output.
141      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
142        common-block variables ; Allows multi-threading with master-thread IO.
143    o change default MAX_NO_THREADS from 32 to 4 ;
144      and stop cleanly when MAX_NO_THREADS is too small.
145    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
146    
147    checkpoint58m_post
148    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
149       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
150    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
151       keep global_ocean.90x40x15 (for AD testing) with former secondary test
152       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
153    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
154        add MITgcm_tutorials (= code + all the tutorials)
155    o ecco, option to compute cost for total ssh (mean+anom)
156    o consistent with addition of ptracer and ssh in pkg/profiles
157    o profiles: adding ptracer and ssh
158    o testreport: change multi-test output-file name
159      (from output.txt.{name} to output.{name}.txt)
160    o profiles: now ok for mutli-tiles case
161    o seaice: add 4 parameters for different advection schemes for area,
162      (effective) seaice thickness, enthalphy, and snow height. Their default
163      is the standard parameter SEAICEadvScheme
164    o calc_gw:
165     - add cosFacU in zonal viscous flux (harmonic.visc.).
166     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
167       of tutorial_plume_on_slope.
168    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
169    o calc_gw: true flux-form, account for horizontal grid spacing.
170      update rotating_tank results, but not plume_on_slope (affected at
171      truncation level, 11 digits).
172    
173    checkpoint58l_post
174    o calc_gw:
175     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
176     - remove side-drag for now (need to fix it); update plume_on_slope results.
177     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
178    o commit code to make SST/SSS weights spatially variable
179      (based on either variable in-situ or variable initial T/S weights)
180    o pkg/ecco:
181      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
182        now based on horizontally varying weights wthetaLev, wsaltLev
183      * cost_averagesflags now returns year indices in addition to day, month
184      * sflux balance is performed on annual basis
185        (sflxumm, sfluxmm2, bal_sfluxmm)
186      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
187        including separate counting and multipliers
188    o pkg/rbcs
189      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
190    
191    checkpoint58k_post
192    o testreport:
193     - always build in dir. "build" (if not there, mkdir build instead of building
194       & running in input)
195     - run in dir run (if it exists), in build otherwise.
196     - call prepare_run (if input/prepare_run exists)
197     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
198    o pkg/exf modifications to interpolation and rotation routines for more
199       reasonable treatment of North Pole singularity: for tracers North Pole
200       value is set to northernmost zonal-mean value, for zonal velocity it is
201       set to zero, and for meridional velocity it is set to northernmost value.
202    o pkg/exf/exf_check_range.F
203     - add tile index to diagnostics and move stop statement to the very
204       end of the routine.
205    o pkg/diagnostics: (diagnostics_main_init.F)
206      define title of isomorphic variables according to the current config.
207    o pkg/thsice with pkg/seaice dynamics:
208    - fix domain of computation (interior only, required for exf) and do exchanges
209    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
210    o towards a standard way of dealing with multi-threading in MONITOR
211      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
212    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
213       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
214    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
215    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
216    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
217       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
218    o tracer advection:
219     - clean-up and simplify calc_common_factors.F
220     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
221       advection subroutine (but still not used within DST advection S/R)
222    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
223    
224    checkpoint58j_post
225    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
226      from file (collects calls previously in FORWARD_STEP)
227    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
228    o adjoint store dir. adjusted accordingly
229    o genmake2
230      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
231    
232    checkpoint58i_post
233    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
234      on wind stress (SEAICEstressFactor defaults to 1.)
235    o Total number of Timers is finite (<=40): comment out 2 non-essential one
236      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
237    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
238      on CS-grid: no longer loosing mass.
239    o exf & curvilinear-grid: no longer modify longitude xC & xG.
240    o pkg/ggl90: fix sloppy output and fix a bug
241    o pkg/seaice: added SEAICEuseEVPpickup parameter
242      - Set to false in order to start EVP solver with
243        non-EVP pickup files when using SEAICEuseEVP
244      - fix sign error in diffusion in seaice_calc_rhs
245    
246    checkpoint58h_post
247    * Modifications for bottom topography control
248      o replace hFacC by _hFacC at various places
249      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
250      o add non-self-adjoint cg2d_nsa
251      o update autodiff support routines
252      o re-initialise hfac after ctrl_depth_ini
253      o works for 5x5 box, doesnt work for global_ocean.90x40x15
254    * Adding verification for 5x5 box (4-layer) bottom topography control
255    
256    checkpoint58g_post
257    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
258       used for mean seasonal cycle, mean diurnal cycle); add an example
259       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
260    o pkg/ggl90:
261      - add parameter (minimum surface kinetic energy)
262      - fix bug (avoiding division by zero)
263    o couple pkg/thsice to pkg/seaice:
264      - modify advection in seaice to accomodate new scalar fields to be advected
265      - only muliDimAdection scheme work with seaice/thsice
266      - mapping of thsice-variables to seaice-variables, back and forth
267      - does not break the verification experiments, but does not give the
268        desired results either
269    o pkg/seaice
270      - make (default) second order advection a bit less confusing?
271    
272    checkpoint58f_post
273    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
274      to pkg/seaice):
275      - new routines thsice_map_exf and thsice_get_exf provide the interface
276      - add an additional formal parameter to thsice_solve4temp
277    o pkg/exf:
278      - add new fields wspeed, snowprecip (to be able to couple to thsice)
279      - correct Stefan-Boltzmann constant
280      - new parameter for longwave surface emittance
281      - separate some stuff from exf_bulkformulae into new routines  
282        exf_radiation, exf_wind
283      - add new parameters and constants: longwave emissivity for ocean, ice
284        and snow, evaporation parameters over ice
285      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
286        either wind from stress or stress from wind
287    o pkg/thSIce:
288    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
289    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
290       and THSICE_CALC_THICKN
291    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
292    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
293      to make debugging easier.
294    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
295    o pkg/bulk_force:
296      - clean-up comments and parameters ;
297      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
298    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
299      generate new output for test-experiment: aim.5l_cs.thSI
300    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
301      testreport accordingly
302    
303    checkpoint58e_post
304    o SEAICE_CGRID adjoint done
305    o R_STAR adjoint implemented.
306      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
307      * need to sort out init. of h0facc, etc.
308    o Make pkg/profile fully independent of ecco,cost, etc. stuff
309      to be able to use it in pure forward.
310    
311    checkpoint58d_post
312    o upgrade simple test-experiment to tutorial example:
313     step.1: duplicate the experiment and (step.2) will remove the old copy.
314      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
315      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
316      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
317      tutorial_global_oce_biogeo    <- copy of dic_example
318      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
319      tutorial_plume_on_slope       <- copy of plume_on_slope
320      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
321      tutorial_global_oce_optim     <- empty for now (David ?)
322      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
323     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
324    o correct a sign problem in cost_scat.F
325    o obcs and ptracers: fix boundary conditions for advections schemes
326      with larger stencil
327    o thsice adjoint: start
328    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
329      completeness
330    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
331      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
332    o ptracers adjoint:
333      * avoid extensive recomputatations
334      * fix missing re-init. of gptr (missed by TAF)
335    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
336      me to turn off the excessive output to STDOUT that this package produces
337    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
338      and add those terms in Vector-Invariant formulation.
339    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
340      if the control period (xx_hfluxperiod etc) is 0
341    o in profiles pkg, clean routines and fix details
342    o in ecco pkg, reading ssh data:
343      fix problem in case the model does not start at iter0=0
344    o fix mnc-pickup/restart for ptracers
345    o new package prifiles:
346      code to compute profile-based cost by Gael Forget
347      (modifs in ecco, ctrl, autodiff)
348    o Benign bug fix in initialization (spotted by M. Mazloff) of
349      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
350    
351    checkpoint58c_post
352    o adjoint: finish NLFS adjoint and provide reference output in
353      verification/global_ocean.90x40x15/results_ad_nlfs
354    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
355      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
356      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
357      with SEAICE_CGRID defined.
358    o move calendarDumps from "data" to "data.cal" and clean-up the code
359      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
360    o add useEXF & useCAL flags (for now, set in hard-coded way)
361    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
362      (were missing in NH mode, and wrong in quasihydrostatic mode).
363      waiting for Chris updated version of calc_gw to add those CALLs.
364    o fix bug in quasihydrostatic S/R ;
365      add a test for this option: global_ocean.90x40x15.qshyd
366    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
367      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
368    o add on/off flag useOffLine for package OFFLINE
369    o seaice:
370      - modify advection so that it works also on the C-grid
371      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
372        problem in multi-tile runs with C-grid
373      - add flags for clipping ice velocities and/or masking solver forcing
374      - fix drag (ocean on ice) formulation and a bug that caused noise in the
375        C-grid solver
376      - added a few comments to seaice_diffusion.F
377      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
378        are now exclusive)
379      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
380        required re-ordering the code a little:
381       + make DAIRN global variable (defined in SEAICE)
382       + move computation of the viscosities eta and zeta into a new separate
383         routine (because I need to recompute them in seaice_ocean_stress.F)
384    
385    checkpoint58b_post
386    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
387      update output.txt of exp. aim.5l_cs.thSI
388    o various mnc cleanups and improvements:
389      + shrink lookup tables by factor of ~4
390      + better error reporting when running out of lookup space
391      + able to handle longer path/file names (up to 500 chars)
392    o adjoint:
393      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
394      - TBD: "hidden" mom_vecinv recomp. in dynamics
395    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
396     (allow to differentiate between forcing components using new integer flags:
397      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
398     and add new flag to put Dissipation tendency out of Adams-Bashforth.
399    o ecco
400      - enable trend removal from SSH anomaly obs.
401    o adjoint
402      - a fix for PmEpR when #undef EXACT_CONSERV
403      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
404      - try to fix "hidden" recomp. in forward_step for NLFS
405        (NLFS seems broken sometimes after I checked it in)
406    o seaice:
407     - add c-grid version of the dynamic solver:
408       + three new routines that are the c-grid substitute lsr, dynsolver
409         and ostres
410       + put a few fields that were local to dynsolver into global common
411         blocks, so that I can move the computation of stresses etc into
412         seaice_lsr (saves coding but may break the adjoint).
413     - replace more hardwired parameters by runtime parameters
414     - add ice masks that mask the rhs of the implicit solvers where there
415       is no ice (commented out in seaice_dynsolver, because i am not sure
416       if this works properly), eventually this should replace the clipping
417       of ice velocities in seaice_dynsolver to +/-40cm/s.
418    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
419      include it only where its needed
420    o move balancing of fluxes before the call of external_forcing_surf
421    o seaice:
422      - correct units of turning angles (now they are really in degrees)
423      - move computation of GWATX/Y out of main routine into dynsolver
424      - initialize GWATX/Y in seaice_init
425    o Apply mask on Fresh-Water flux (needed for SSH forcing).
426      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
427    o seaice: add runtime flags for turning angles (default to zero)
428    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
429      and trend from exf forcing and ctrl control adjustments
430    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
431      (since checkpoint57x_post)
432    o change the default rotation period to 86164.s = the Earth rotation
433    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
434      and based on a reference stratification. Tested within hs94.cs-32x32x5.
435    o seaice advection: add code for choosing between the default (2nd order
436      central differences) and multiDim advection schemes provided by
437      pkg/generic_advdiff
438    o seaice:
439      - removed all references to SEAICE_GRID.h fields from
440        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
441        (cubed-sphere configuration will change a little)
442      - grid computations in seaice_init are obsolete now.
443      - cleaned up code a little so that is easier to read (hopefully).
444      - added new (better?) discretizations of default advection and diffusion
445        (turn on with SEAICEuseFluxForm)
446      - replace 1 in 3d global fields by kSurface in growth.F
447      
448    checkpoint58a_post
449    o seaice:
450      - bug fix in advect.F
451    o shelfice:
452      - separate shelfice load anomaly from pload (breaks with time
453        dependent forcing), => introduce constant field shelficeLoadAnomaly.
454        Its default is 0., but it may be computed more cleverly from (unknown)
455        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
456        done offline. A good approximation of the pressure load anomaly is
457        necessary to avoid large initial adjustment processes underneath
458        deep-reaching shelfice.
459      - small fix in ISOMIP shelfice_thermodynamics
460      - add more sophisticated thermodynamics of Hellmer (1989), this is
461        now the default
462      - give a few constants more intuitive names
463    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
464      if bulk formulae are used in long integration (especially EmPmR). Turn
465      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
466      if balancePrintMean, the imbalance that is substracted is printed to
467      STDOUT.
468    o fix bug (typo) in obcs_apply_eta.F
469    o add a new package shelfice which enables us to model the circulation
470      underneath shelf-ice with draughts of hundreds of meters.
471     - works
472     - to do: + include improved thermodynamics
473              + check whether kSurfC (from model/inc/SURFACE.h) can be used
474                instead of new field kTopC
475              + can we use topoFile, Ro_surf and existing code in ini_depth.F
476                instead of new field R_shelfIce and new code in ini_depth.F
477                and ini_mask_etc.F?
478              + adjust vertical mixing schemes?
479    o seaice pkg:
480     - add a cpp-flag to include a simple formula for a salinity dependent
481       freezing point of sea water at the surface
482     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
483       meridional stresses are now different (and hopefully correct)
484    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
485       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
486       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
487    o pkg/diagnostics: add options and parameters for regional-statistics
488       diagnostics ; define regions by reading a region-mask from a file
489       (might add other options later)
490    o pkg/bulk_force:
491     - add option and parameters to use AIM surface-flux formulae.
492     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
493       others forcing fields (defined in PARM05, parameter file "data") are loaded
494       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
495     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
496     - use the right EXCH call for uwind,vwind (to work on CS-grid).
497     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
498       and parameters (note: calcWindStress replaces .NOT.readwindstress).
499     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
500    
501    checkpoint58
502    o add "--embed-source" option to genmake2 which, when the supporting
503      tools can be compiled (as determined by genmake2) will turn on the
504      embed_files package which then embeds the entire MITgcm source code
505      (*.[fFhc] + Makefile) used for the build within the executable
506      - requested by CNH but off by default
507      - adds a paltry <9MB to the mitgcmuv executable in most cases
508      - only writes the output when useEMBEDSRC in eedata is true
509    o clean up 3-dim. relaxation codes:
510      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
511      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
512      * Thanks to Tom Haine for testing!
513    
514    checkpoint57z_post
515    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
516      affects output (@ truncation level) of exp. plume_on_slope ; updated.
517    o fix the pickup behavior for obcs in combination with ptracers
518    o fix a bug in ptracers_external_fields_load
519    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
520      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
521    o transfered surface NH pressure to eta field (if exactConserv).
522    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
523         and update lab_sea output.txt file.
524    o completing 3-dim. relaxation code: additional term
525         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
526      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
527      * At compile time, in "EXF_OPTIONS.h" set
528          #define  ALLOW_CLIMTEMP_RELAXATION
529          #define  ALLOW_CLIMSALT_RELAXATION
530      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
531          tauThetaClimRelax3Dim = 15552000.0,
532          tauSaltClimRelax3Dim  = 15552000.0,
533      * 3 cases:
534          1) Use a constant-in-time 3-dim. field
535          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
536          3) Real-time relax. to time-evolving prescribed field
537    o Adding Laplacian-type smoothness constraint on
538      initial and boundary (forcing) controls (ic, bc)
539      * enable at compile-time via
540        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
541      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
542      * Absolute scale somewhat unclear so far
543      * no area weighting was included since no other cost term does so far
544    
545    checkpoint57y_post
546    First step for a NLFS adjoint
547    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
548    o new init. routines for calc_r_star, calc_surf_dr
549    o still need to deal with ini_masks_etc
550    o testreport seemed happy
551    checkpoint57y_pre
552    
553    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
554    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
555    o add new offset feature to offline pkg (plus minor cleanup)
556    o cfc fixes for final year of integration
557    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
558      be in GCHEM_OPTIONS).
559    
560    checkpoint57x_post
561    o fix testreport Pb in multiple test experiment.
562    o cleanup our namelist syntax in verification:
563      - make it more F95 standards compliant (some work still needed)
564      - allows the vast majority of our tests to work with gfortran
565    o Non-Hydrostatic:
566     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
567     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
568    o Allow to apply AB on T,S rather than on AB(gT,gS):
569     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
570     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
571       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
572     - need a "clever" read_pickup to restart from the other AB formulation
573    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
574    o remove some unused variables (reduces number of compiler warnings)
575    o adjoint
576      * Disable useVariableViscosity for adjoint for time being
577        (there are a number of extensive recomputations)
578      * Initialize certain variables needed for adjoint
579    
580    checkpoint57w_post
581    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
582                 fix the singleCpuIO RS version of MDSWRITEFIELD
583       and add a WARNING if using globalFiles=T with multi-processors.
584    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
585      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
586    o tracer advection scheme:
587      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
588       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
589       was not very convenient).
590      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
591       (further tests needed for the implicit DST & Flux-Limiter schemes).
592    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
593      and sRef for convenience, handy, when you want to initialize
594      ptracers in a large domain with a constant non-zero value. Also,
595      untangle ptracers_init.F a little.
596    
597    checkpoint57v_post
598    o change dome exp. to use variable viscosity in side-drag terms.
599    o remove all the files from the cfc_offline test since they are now
600      incorporated into tutorial_cfc_offline which has been producing
601      identical results for a few days of testing
602    o add new parameter: sideDragFactor to enable half-slip-side BC
603      and change side-drag S/R to use viscosity from mom_calc_visc
604      (can switch back by setting sideDragFactor=0.); affects results at
605      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
606       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
607    o vorticity & strain are now computed without masking, to account for
608      no-slip-side BC in variable viscosity calculation ; mask is applied
609      anyway later on, before computing advection/coriolis terms.
610    o modify exp4 to test new obcs support for reading from external files
611      and for passive tracers
612    o fix behavior of ptracers_monitor when monitor output is written to a
613      netcdf-file; still not independent of monitor.F (writes in the same
614      file).
615    o change default value of tRef (put a uniform, meaningful value for ocean
616      & atmos) and initialize sRef (was missing, as Martin mentioned).
617    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
618      to be proportional to enstrophy dissipation length.  Thus,
619       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
620      This is now consistent with Smagorinsky and with the manual.
621    
622    checkpoint57u_post
623    o OBCS and PTRACERS: add open boundary support for passive tracers
624      - either use homogenous (pseudo) v.Neumann conditions or prescribe
625        OB-values from file; this is not different from the way theta and salinity
626        are treated
627      - however, Orlanski-radiation conditions are not supported, and the model
628        will stop if you use pTracers and Orlanski at the same time.
629      - beefed up the rountine obcs_external_fields_load: now only those open
630        boundary values are overwritten with values from files for which there
631        are really files, otherwise the OB-fields remain untouched. This makes
632        it possible to use different OBs at different ends of the domain (as
633        with EXF)
634    o reduce number of exch calls in shap_filt (s2).
635    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
636      truncation level) 4/5 MLAdjust test results (11&12 digits match).
637    
638    checkpoint57t_post
639    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
640    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
641      same truncation, independent of the face number: affects affects several
642      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
643    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
644      note that biharmonic viscosity + no-slip was not tested in any experiment.
645    o fix bug in non-linear free-surf side-drag ; generate new output for
646      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
647    o make mnc honor the writeBinaryPrec flag for most kinds of output
648    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
649    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
650      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
651    o add brackets in multi-terms sum to get same truncation, independent of
652      the face number (manage to get exactly same value of gU,gV at the cs-edge)
653      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
654    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
655      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
656      a maximum grid-scale Reynolds number.  Also, changes all length calculations
657      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
658      Suggested values of viscosity parameters found in mom_calc_visc.
659      Many new viscosity diagnostics available.
660    
661    checkpoint57s_post
662    o Add clearing-house for viscosity calculations, mom_calc_visc and
663      correct numerous bugs in LeithD and Smagorinsky discretizations.  
664      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
665      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
666      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
667      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
668      The Strain-Tension form is now called with useStrainTensonVisc=.true.
669      ViscAhStrain and viscAhTension are now retired.
670    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
671    o In response to JMC's bug report, genmake2 now ignores any soft-links
672      that it finds in the *current* directory when searching for files.
673      Soft-links found in any other source directories will still work as
674      they did before.
675    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
676      a C routine to unlimit the stack size
677    o mnc-ify pkg/aim snapshot vars
678    o mnc-ify pkg/land as requested by Daniel
679    o various changes to mnc including:
680      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
681      - output can now be grouped so that all files within a group
682          change the ITER portion of their names in lock-step together
683      - can now read ("global") PER-FACE (in addition to PER-TILE) files
684          and works with both EXCH1 and EXCH2 (but needs more testing)
685      - writing works for all verification test cases w/ g77 on Linux
686    
687    checkpoint57r_post
688    o make MNC variable initialization happen earlier
689    o add diagnostics for (almost) each term of the momentum Eq.
690    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
691    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
692    o remove MINIMAL_TAVE_OUTPUT option ;
693      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
694    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
695      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
696    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
697    o add time-dependent SST, SSS control
698    o cost terms in ecco/ modularized (new cost_generic.F)
699    o cost_averages routines are modularized (new cost_averagesgeneric.F)
700    o new infrastructure for seaice model vs. obs misfits in seaice/
701      * driver from the_main_loop.F is seaice_cost_driver.F
702      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
703      * gradient check in Exp. 6a of natl_box_adjoint/
704    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
705      (see README file)
706    
707    checkpoint57q_post
708    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
709    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
710      - bug was reported by Jean-Michel and Ian Fenty
711    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
712      update exp. cpl_aim+ocn output.
713    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
714      Needed for high-res. runs with large global files
715      to be able to limit tapelev size
716    o Changed some tests for adjoint:
717      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
718      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
719      * global_ocean.90x40x15/ back to default 3-level checkpointing
720    o Modifications to enable scripted COMMON to MODULE conversion
721      * verification/OpenAD/code/ has necessary scripts and description;
722      * converts, compiles and runs successfully;
723    
724    checkpoint57p_post
725    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
726    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
727      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
728    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
729    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
730      (was already the case for dissipation with mom_vecinv,
731       and also the case for grad.PhiHyd when staggered-timeStep)
732      This will allow to put dissipation out-off the AB time-stepping.
733     Unfortunately, affects truncation error. Update output of exp. that "fails"
734      (cg2d matching number) and leave the others for later: front_relax(10),
735      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
736      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
737    
738    checkpoint57o_post
739    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
740      (2) its ready to be documented during the 20050801 DocFest
741    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
742      for ideal_2D_oce and lab_sea on linux_ia32_g77
743    o set to #undef CTRL_SET_OLD_MAXCVARS_30
744      in global1x1_tot/code_seaice_adj to access indices 32, 33
745      (worth another tag)
746    
747    checkpoint57n_post
748    o adding precip control xx_precip 32
749    o adding swflux control xx_swflux 33
750    o Replacing 10 forcing penalty cost routines by 1 generic.
751    o Implementing partitioning in time-mean and variable adjustment
752      for atmos. state.
753    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
754    o in natl_box_adjoint:
755      * updated exp 1 to 10
756        (but does not have time-mean vs. variable split results yet)
757    o updated global1x1/*_seaice_adj/
758      to incorporate latest changes
759    o enable useSingleCpuIO for mdsio vector routines
760      (applies in particular to tapelev I/O)
761    o removed inefficient K-loop in all active_file*control*.F
762    
763    checkpoint57m_post
764    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
765      and advect_cs (use EXCH-2 and standard cs-32 grid files).
766    o pkg/exch2: filling of face-corner halo regions is optional
767      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
768    
769    checkpoint57l_post
770     tag before updating tutorials (pre-release-2)
771    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
772       for output and interpolation of input fields onto model grid)
773    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
774       Affects results of exp. rotating_tank ; update output.txt.
775    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
776          and taking the square quantity and/or using a fraction-weight field.
777    o fix aim_diagnostics_init.F mate numbers.
778    o add mnc output capability to diagnostics/diagstat and update
779      our cvsignore files for the ACSII output generated
780    
781    checkpoint57k_post
782    o lab_sea now uses diagnostics package and provides a suite of
783      new EXF diagnostics output.
784    
785    checkpoint57j_post
786    o exf
787      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
788        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
789        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
790      * extended diagnostics output
791        - now includes all EXF variables
792        - hs, hl moved to common block
793        - separate S/R for diagnostics, called after ctrl vector is added
794        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
795        - EXFqnet contains true Qnet (i.e. includes qsw)
796      * updated verif. lab_sea, global_with_exf
797      * Rearranging hflux (exf_mapfields -> exf_getforcing)
798        to ensure that diagnostics sees a true EXFqnet
799    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
800    o diagnostics pkg: change pointers so that 1 diagnostic can be used
801      several times with different frequencies.
802    o mnc-ify the thsice package as requested by Daniel Enderton
803      - the monitor--MNC output needs work
804      - many attributes need to be added (most are currently blank)
805    o mnc-ify theaim_v23 package as requested by Daniel Enderton
806      - many attributes need to be added (most are currently blank)
807    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
808    o add Sadourny like discretization to the 4th.O vorticity advection scheme
809    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
810      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
811         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
812    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
813     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
814    
815    checkpoint57i_post
816    o Diagnostics package was changed: diagnostic allocation is now deactivated
817      by setting an empty file name in the namelist (used to be by setting 0 frequency)
818    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
819      add 1rst Order upwind vertical Shear.
820    o add a quick fix for A/B checkpointing in OFFLINE mode
821    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
822      end-run around the C/Fortran linking horror in eesup/src/timers.F
823    o added pkg/runclock: allows user to terminate run based on wall clock
824    o added non-hydrostatic scaling parameter: nh_am2
825    o pkg/my82: futile attempt to make results compiler-independent by adding
826      some "_d 0", etc. no effect.
827    o for mnc output, fill the 'T' coordinate var with myTime and create a
828      separate 'iter' variable for iteration count
829    o pkg/diagnostics:
830      add new capability: output of Global/Regional & per-level statistics ;
831      tested against monitor output (including land & thSIce) on various exp.
832    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
833    
834    checkpoint57h_done
835      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
836      data.diagnostics, data.gchem, data.ptracers) is done.
837    
838    o pkg/diagnostics: prepare for Global/Regional statistics.
839      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
840    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
841      and rename it: DIFFERENT_MULTIPLE
842    
843    checkpoint57h_post
844    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
845    o pkg/diagnostics: change output frequency, now in seconds (instead
846      of Nb of iterations). This requires to change data.diagnostics.
847    checkpoint57h_pre
848    
849    o in mnc, let the user create the output dir if both mnc_outdir_date
850      and mnc_outdir_num are false
851    o add fflags() to pkg/diagnostics which allows one to specify, on a
852      per-file basis, the file precision [default behavior is unchanged]
853    o added diagnostics to pkg/kpp, including computation of mixed layer
854      depth based on a temperature/density criterion
855    o updated verification/natl_box to test the new pkg/kpp diagnostics
856    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
857    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
858    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
859      not mnc -- this mistake was found by JMC and is now corrected
860    
861    checkpoint57g_post
862    o add Adams-Bashforth 3rd Order time stepping:
863      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
864      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
865    checkpoint57g_pre
866    
867    o make lambda[Theta,Salt]ClimRelax spatially varying
868      (default remains spatially uniform constant based on tau)
869    o added new control variables
870      * init. uVel, vVel, etanN
871      * lambda[Theta,Salt]ClimRelax
872    o separate masks used for ctrl_pack/unpack 'from write_grid' output
873      (suggested by G. Forget)
874    
875    checkpoint57f_post
876    o add parameter "baseTime" = model base time = time at iteration zero
877      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
878      account for baseTime shift
879    o move Coriolis arrays from PARAMS.h to GRID.h
880    checkpoint57f_pre
881    
882    o mnc-ifying the seaice package
883    o introduced an alternative length scale calculation for use in the limiting
884      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
885    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
886    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
887      as well as grad(vort3).  Made it compatible with both approximate form
888      for the cubed sphere and full form of these gradients.  Added flag
889      useFullLeith to select between approximate and full form.  
890    o add "d0" in getcon.F to reduce differences between compilers/platforms
891      update output.txt of exp. fizhi-gridalt-hs
892    o change port_rand funtion to allow to set the seed.
893    o fix obscure MNC bug involving conversion between reals and integers
894      - it caused no problems with certain (eg. gcc, ifc) compilers but the
895        new version is now more standards-compliant
896    o adjoint-related modifications
897      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
898      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
899      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
900    
901    checkpoint57e_post
902    o Adding eddy stress controls a la Ferreira et al.
903    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
904    
905    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
906      update output.txt of exp. fizhi-gridalt-hs
907    o add more "Z" dimensions and associated coordinate vars to MNC
908    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
909    o parameter calendarDumps: when set, approximate months (30-31 days) and years
910      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
911      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
912      months and years.  Requires pkg/cal.
913    o diagnostics: add pickup functionality
914      - off by default for backwards compatibility
915      - current version only uses MDSIO -- MNC will be added
916    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
917    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
918    
919    checkpoint57d_post
920    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
921    o modify verification/ideal_2D_oce so that it tests the creation of mnc
922      output from the diagnostics package
923    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
924    o make genmake2 more portable by using ".$FS" instead of ".f" for more
925      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
926    o add coordinate variables to the MNC output from the diagnostics package
927    o change MNC-flags default value: true when useMNC=TRUE
928    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
929      the ability (off by default) to read the grid information using MNC
930    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
931    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
932    o do snap-shot diagnostics at the middle of the time-interval (instead of
933      at the end).
934    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
935      new test for AIM with thSIce + slab-ocean
936    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
937    o move state variable diagnostics to the beginning of the time step ;
938      (note: still needs some work specially for snap-shot diagnostics)
939      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
940    
941    checkpoint57c_post
942    o Change testing option (-ieee) to get closer agreement between g77 & ifort
943    o generate new output.txt files on faulks with g77 & the new -ieee option
944    checkpoint57c_pre
945    
946    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
947      update output.txt of exp. global_ocean.90x40x15
948    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
949      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
950    o add saltFlux(+File) forcing capability with periodicExternalForcing
951    o allow to use pkg diagnostics for GM-Redi & ThSIce output
952    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
953    o improvements for the MNC output from DIAGNOSTICS:
954      - correct handling of the unlimitied dimension
955      - all dims now have associated coordinate variables
956      - variables located at U, V, and Corner ("Z") points are now written
957        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
958        *all* data points are output
959    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
960    o added pkg/seaice/seaice_monitor.F
961    o mdsio_readfield.F can now read files visible only to master MPI process.
962    o pkg/seaice: some test code for ice-modified ocean stress
963    o exf_getffields interpolation defaults to bilinear for all scalar forcing
964      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
965      spurious negative numbers for precipitation and humidity.  Will cause
966      some small numerical differences for integrations using pkg/exf/exf_interp.F.
967    o pkg/ctrl/
968      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
969        May be enabled via doPackDiag
970      *  introduce z-scaling of
971         + gradient (doZscalePack) and
972         + control (doZscaleUnpack)
973    o pkg/mdsio/
974      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
975      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
976    
977    checkpoint57b_post
978    o simplify options in diagnostics_fill arguments (remove weird combinations)
979    o fix MNC coordinate variables so that they now contain per-face index
980      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
981      general, EXCH2 grids are only aligned to a "local" coordinate system
982    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
983    o Implement instantaneous output within pkg diagnostics:
984      setting a negative frequency in data.diagnostics produces
985     "snap-shot" output (as opposed to time-average if freq > 0)
986    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
987      NOTE: change ptracer diagnostics name: use 2 characters to work with
988            more than 9 tracers. Add also diagnostics of advect & diffus flux.
989    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
990      becomes the coordinate variable for the 'T' dimension
991    o add CF-style coordinate variables to MNC
992      - just a first cut:  numbers are meaningless on the cubesphere and
993        missing along the T axis but otherwise it works!
994    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
995    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
996    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
997      this is based directly on what the model compute, so that the content of
998      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
999    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
1000    o clean up build options files for SunOS, in particular
1001      - remove -traditional from xmakedepend
1002      - change -xarch=v9 to -xarch=native for f77
1003      - restore use of make (not gmake)
1004      - add CC=gcc if using g77
1005    o changes per discussion of AM, JMC, & EH3 today:
1006      - move redundant "grid" variables out of "state" -- in preparation of
1007        creating proper CF-style coordinate variables and in recognition
1008        that any/all grid variables can be easily copied (eg. w/NCO) from
1009        the grid files into any of the other NetCDF files
1010      - *always* output grid variables with MDSIO (this will eventually be
1011        changed)
1012      - output MNC grid file if useMNC is true
1013    o every instance of _END_MASTER() has been found and replaced with
1014      _END_MASTER( myThid ) in order to satisfy certain picky Sun
1015      preprocessors
1016    o re-arrange diagnostics pkg initialisation:
1017     - allow each package to extend the available diagnostics list
1018     - add some checking and fix small problems (multi-threaded, ...)
1019     - new S/R diagnostics_fill (replace fill_diagnostics):
1020       look through the short list of active diag. (instead of the long list)
1021       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
1022    
1023    checkpoint57a_post
1024    o this set of changes restores TAMC compatibility
1025      tested for global_ocean.90x40x15 adjoint on trough
1026      (what a pain)
1027    
1028    checkpoint57a_pre
1029    o some modifs in tools/build_options for sunos
1030    o call ctrl_pack for ctrl at end for optimcycle=0
1031    
1032    checkpoint57
1033    o add horizontal bi-harmonic viscosity for vertical velocity
1034      - new parameter viscA4W (defaults to viscA4)
1035      - affects only non-hydrostatic code
1036      - to be done: no-slip lateral boundary conditions
1037    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
1038    o implement Implicit Vertical advection for pTracers
1039    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
1040      (implemented also for implicit vertical diffusion & advection)
1041    o OBCS: extend application of tracer open boundary conditions
1042      to a strip beyond the boundary of width Olx/Oly
1043    o add call monitor to TAF set of required calls (flow directives)
1044      and include in natl_box_adjoint
1045    o untangle a few ifdefs related to cost, ctrl, autodiff
1046      untangel a few ALLOW_ECCO_OPTIMIZATION
1047    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
1048      (theta2, salt2 in ecco_cost_weights)
1049    
1050    checkpoint56c_post
1051    o OBCS as control variables
1052      - update ctrl_ad_diff.list, obcs_ad_diff.list
1053      - remove balance of obcs controls from default
1054      - fix index bug nobcs in ctrl_init
1055      - fix dummy fields filen in ctrl_pack
1056      - add dummy weights for obcs
1057    o lsopt: comment out fort.94 output
1058    o optim:
1059      - remove unnecessary header files
1060      - adjusted namelists
1061      - add xerbla.F to Makefile
1062    o exf:
1063      - multiple modifications of exf_check_range
1064      - unit change in exf_init_runoff from [m/year] to [m/s]
1065    o mdsio:
1066      - i/o-vector change debugLevel from debLevA to debLevB
1067    
1068    checkpoint56b_post
1069    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
1070      is called from DO_THE_MODEL_IO
1071      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
1072      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
1073      - clean up PTRACERS_WRITE_TIMEAVE a little
1074    o add another verification experiment that tests both the cfc-pkg and
1075      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
1076      reactive tendencies treated inline with regular timestepping
1077    o testreport previously did a lousy job of comparing small numbers, so
1078      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
1079      implemented in the little c-progam tmp_cmpnum.c which is embedded in
1080      testreport.
1081    o ptracers_monitor: bug fix for MPI
1082    
1083    checkpoint56a_post
1084    o GCHEM: finish reorganizating the package
1085      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
1086        (introduces another 3D-array for each passive tracer, but only if
1087        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
1088        gchemTendency is not needed because the timestep is done separately)
1089      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
1090      - GCHEM is now---more or less cleanly---separate from PTRACERS
1091      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
1092        so clear to me how that should be done in a general way.
1093    o CFC: improve formatting of output in CFC_ATMOS
1094    o PTRACERS:
1095      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
1096        that ALL experiments with ptracers enable can be checked. This makes
1097        GCHEM_MONITOR obsolete.
1098      - include a runtime parameter PTRACERS_monitorFreq that defaults to
1099        monitorFreq
1100      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
1101    o add PTRACERS (PTR0[1-5]) to testreport output
1102    o exf_check_range:
1103      * default changed to .TRUE.
1104      * will check values for niter0 if debLevA, every timestep if debLevB
1105      * STOP in exf_check_range if 'out of range'
1106      * range chosen generous to allow for potential extema
1107      TBD: a version with stricter range
1108           permitted range would be runtime parameters
1109    o GMredi:
1110      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
1111      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
1112      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
1113    o GCHEM:
1114      - move call to GCHEM_FORCING_SEP, so that it is now called before
1115        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
1116      - introduced a useGCHEM runtime flag and applied it everywhere.
1117      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
1118        this flag is now only visible within GCHEM-pkg routines.
1119      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
1120        be replaced by a 3D array that is computed before thermodynamics; for
1121        this, the tracer ID iTracer had to be included into the parameter list
1122        of ptracers_forcing
1123      - set up forward_step to call gchem_forcing, that will replace
1124        gchem_forcing_int in ptracers_forcing
1125      - cleaning up
1126    o small cleaning of exch2: remove files that are also in eesupp/src
1127    
1128    checkpoint56
1129    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
1130    o mnc: cleanup "full" files--fixes out-of-memory problem
1131    o ECCO-GODAE
1132      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
1133      * fully merged and updated from SIO code
1134        windstress sign change affects
1135        - exf_inscal_[u/v]stress
1136        - sign of xx_tau[u/v] adjustments
1137        - signs in cost_scat
1138      * ctrl_get_gen: avoid update of tau[u/v] for first few days
1139      * natl_box_adjoint updated and compressed
1140      * 2-level checkpoint switch added
1141        (tested in EXP. 1 of natl_box_adjoint)
1142      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
1143    o SVD
1144      * first complete, non-hacked version for SVD calculations
1145      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
1146        performed via direct access files admtlm_vector.it????
1147        (via ctrl_[un]pack)
1148      * optimcycle is used for ARPACK iteration counter
1149        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
1150      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
1151        and add linear transforms where necessary
1152      * controls are initial/final SST, SSS (can be extended; need to check
1153        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
1154    o mdsio: filename info to both stderr, stdout
1155    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
1156      from sign change
1157    
1158    checkpoint55j_post
1159    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
1160      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
1161    o add consistent build directories and .cvsignore files to verification
1162    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
1163    o make all subroutines 30 or less characters in length for certain older
1164      compilers to work (a thorough search only turns up two routines in
1165      pkg/ptracers)
1166    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
1167      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
1168    
1169    checkpoint55i_post
1170    o change arrays for total vertical diffusivity (2.D if explicit,
1171      3.D if implicit) ; each ptracer uses its own background value.
1172    o added mnc/NetCDF output capability to ocn_compon_interf
1173      - added bits to verification/cpl_aim+ocn so that it can run on
1174        ITRDA and other clusters without the mpirun "-wd" option
1175    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
1176      configuration
1177    o give MNC the ability to create additional files rather than
1178      exceeding a specified file size limit "MNC_MAX_FILESIZE"
1179      - the default is just less than 2GB which is a practical limit
1180        on many systems
1181    o Compute the non-local term using either KPP vertical diffusivity (=default)
1182       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
1183    
1184    checkpoint55h_post
1185    o add verification test "vermix"
1186    o remove all the *_ioinc flags and replace with the single global
1187      outputTypesInclusive flag
1188    o allow to set a vertical profile of vertical diffusivity for T & S
1189    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
1190    o useMNC moved from data.mnc to data.pkg
1191    
1192    checkpoint55g_post
1193    o Renaming carbon AD experiments to comply with testreport conventions
1194    o Updating adjoint of Held-Suarez hs94.1x64x5
1195    o Fixing directives for non-ECCO forward_step, after ECCO directives
1196      have been fixed to avoid recomp. of do_oceanic_phys
1197      Works well for global_ocean.90x40x15,
1198      but recomp. issue remains for carbon
1199    o Updating adjoint output for natl_box_adjoint after
1200      pkg/ecco has been modified (see taga c55d_post)
1201    
1202    checkpoint55f_post
1203    o rename to timeave_init_fixed
1204    
1205    checkpoint55e_post
1206    o some delicate re-shuffle of store directives to avoid one
1207      extra call of do_oceanic_physics
1208      affects ecco_the_main_loop.F, do_oceanic_physics.F
1209      checkpoint_lev1_directives.h
1210    o NB: this may break global_ocean adjoint temporarily,
1211      but it is clear how to fix it. Will do later, need this now.
1212    
1213    checkpoint55d_post
1214    o ECCO specific cost function terms (up-to-date with 1x1 runs)
1215    o ecco_cost_weights is modified to 1x1 runs
1216    o modifs to allow observations to be read in as
1217      single file or yearly files
1218    o enable to read exf forcing fields as either
1219      single file or yearly files (flag useExfYearlyFields)
1220    checkpoint55d_pre
1221    
1222    o switch between 2-level and 3-level checkpointing
1223    o add ability of MNC to write local and "partial" (eg. 2D slices where
1224      the full 3D field is never actually stored) arrays to NetCDF files
1225      with the correct (that is, the complete multi-dimensional) set of
1226      array indicies
1227      - used in mom_vecinv() to write the diagFreq output
1228      - tested (demonstrated) in verification/aim.5l_cs
1229    o further mnc-ification
1230      - add verification/lab_sea to the list with mnc setups
1231      - fix undefined mnc v-names in cd_code
1232      - add kpp to mnc output (both snapshot and timeave)
1233    o non-hydrostatic code
1234      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
1235        in calc_gw.F
1236      - defaults to viscAh
1237      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
1238        friction or Leith) in non-hydrostatic mode, as long as there is
1239        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
1240    o pkg/cost
1241      extend simple cost functions to treat time mean quantities
1242      (T,U,V) via cost_accumulate_state from cost_tile
1243    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
1244        be 2 times larger than the minimum size the advection scheme requires.
1245        now get a perfect conservation of salt in advect_cs test-exp (updated)
1246    o GGL90 (Gaspar's TKE mixed layer)
1247      - add horizontal diffusion of TKE, requires exchanges in
1248        do_fields_blocking_exchanges, horizontal diffusivity is zero by
1249        default. In OPA there is no horizontal diffusion of TKE but the
1250        mixing coefficients are computed from a horizontal average of TKE of
1251        6 points or so. I think that diffusion has a little more physical
1252        justification.
1253      - clean up ggl90_calc in the hope of reducing memory usage (this hope
1254        was in vain)
1255      - mask tke-variable in ggl90_init
1256    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
1257    o fix biharmonic diffusion on CS-grid.
1258    o more obcs stuff
1259      - added obcs_external_fields_load as an alternative to the EXF-pkg option
1260        for reading boundary values. This routine is called from
1261        obcs_prescribe_read
1262      - updated obcs_check
1263      - changed sponge layer relaxation parameter units for days to seconds
1264      - turned off sponge layer by default
1265      - changed argument list of OBCS_CALC to myTime+deltaTclock
1266      - fixed about 35 bugs in obcs_external_fields_load
1267    
1268    checkpoint55c_post
1269    o obcs stuff
1270      - new runtime flags useOBCSprescribe, useOBCSbalance
1271      - re-arranged obcs_calc
1272      - moved exf_getobcs to obcs_prescibe_read
1273        obcs_prescibe_read is called after ORLANSKI stuff
1274        and independent of it (executable can contain all).
1275      - updated obcs_check
1276      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
1277        These may be necessary only if tangential velocities are
1278        prescribed at OB, not sure, needs testing.
1279    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
1280      which simplifies the calls and passes the ifc check-bounds test
1281    
1282    checkpoint55b_post
1283    o add a 2D scalar, Z location, exchange_2 routine.
1284    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
1285      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
1286      affects advect_cs results (for the wrong reason): update output.txt
1287    o use a more standard discretization for biharmonic viscosity ;
1288     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
1289      affects results of dome set-up: update output.txt
1290    o fix gad_advection.F (CubedSphere part), back to version 1.23
1291    o fix bug in mom_vi_del2uv.F (CubedSphere part).
1292    
1293    checkpoint55a_post
1294    o merged code to
1295      * prescribe/read time-dependent open boundaries
1296        (works in conjunction with exf, cal)
1297      * sponge layer code for open boundaries
1298      * each boundary N/S/E/W now has its own CPP option
1299        (healthy for the adjoint)
1300    
1301    checkpoint55
1302    o up-to-date adjoint of previous breaks
1303      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1304      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1305      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1306      - carbon: * remove tr1-related adjoint verification
1307                * add ptracer as control variable
1308    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1309      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1310    
1311    checkpoint54f_post
1312    o in verification/carbin/ remove experiment related to
1313      ALLOW_PASSIVE_TRACER (array tr1 etc)
1314      code_ad/ input_ad/ results_ad
1315    
1316    o add two new packages
1317      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1318        + subject to optimization (memory)
1319      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1320        + subject to reordering (many GOTOs in the original code)
1321        + so far opps is called for every (i,j) point, and then operates in
1322          the vertical; one may want to reorder the scheme in order operate in
1323          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1324          fields)
1325    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1326      - all verification tests compile and run with linux_ia32_g77
1327      - defaults are compatible with current input files--nothing
1328        should change if you were not previously using MNC
1329      - MNC output has been added in numerous places (eg. timeave)
1330        but there are still a few writes not yet do-able with MNC
1331        (this is in progress)
1332      - flags now allow for either/or/both use of MDSIO and MNC and
1333        documentation will soon follow
1334      - numerous small formatting cleanups for ProTeX
1335    o add version info (via BUILD_INFO.h) to MNC and stdout
1336    
1337    checkpoint54e_post
1338    o add two new packages
1339      - pp81 (Packanowski and Philander, 1981), Richardson number and
1340        stratification dependent mixing
1341      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1342      - these scheme operate in a similar manner as KPP (without ghat, of
1343        course), however there is only one diffusivity that is used for both
1344        temperature and salinity (and passive tracers)ç
1345    o add offline package
1346    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1347      provided by Stephanie Dutkiewicz
1348    o genmake2: add ability to search for C compilers and cleanup test output
1349      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1350    
1351    checkpoint54d_post
1352    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1353    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1354      leading to additional shift by 5 days each year of integration
1355       (i.e. leading to considerable offset over the years)
1356    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1357    o start with no AB and no initial filtering (staggerTimeStep):
1358      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1359    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1360      (external loading & cpl import/export stay in forward_step.F)
1361    o update coupling interface to work with new staggerTimeStep
1362    o change MDSIO ptracers_pickup.
1363    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1364    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1365    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1366    
1367    checkpoint54c_post
1368    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1369      this affects (truncation error) output.txt of test-exp:
1370       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1371    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1372    o change Qnet to always be the net heat flux, (+upward).
1373      affects (truncation error) output of natl_box exp.: updated
1374    o define the max number of passive tracers in PTRACERS_SIZE.h
1375    o start to test mnc routinely in exp0
1376    o add sea-ice loading (sIceLoad) as a new forcing field.
1377    
1378    checkpoint54b_post
1379    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1380       impressive on Altix and Opteron systems)
1381    o diagnostics can now write NetCDF files through the mnc package
1382    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1383    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1384    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1385      affects (truncation error) output of lab_sea & natl_box exp.: updated
1386    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1387    
1388    checkpoint54a_post
1389    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1390    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1391    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1392    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1393      + internal_wave (shift in writing cg2d_ini_res)
1394    checkpoint54a_pre
1395    
1396    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1397      - modified verification/lab_sea and natl_box_adjoint accordingly
1398    
1399    checkpoint54
1400    checkpoint53g_post
1401    o prepare splitting of thermodynamics: store convect.counter in common block
1402    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1403      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1404    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1405    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1406    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1407    o restore adjointability
1408    
1409    checkpoint53f_post
1410    o modifications that affect AIM experiment results (update output.txt):
1411      - no advection of S at top interface Nr (pkg/generic_advdiff)
1412      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1413    o AIM pkg:
1414      - include stability function into surf.Flux derivative relative to Tsurf
1415      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1416    
1417    checkpoint53e_post
1418    o merged cylindrical coord configuration
1419    o added rotating_tank experiment
1420    checkpoint53e_pre
1421    
1422    checkpoint53d_post
1423    o faulks upgraded: re-generate output.txt that have changed:
1424       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1425    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1426    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1427    o added Sadourny discretization of Coriolis
1428      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1429      - re-enabled use of omega3 (useAbsVorticity)
1430    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1431      vector-invariant equations
1432      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1433    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1434      hopefully without new bugs
1435      - still to do: biharmonic friction for non-hydrostatic w
1436    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1437    o regenerated output for global_ocean_ebm (using -ieee)
1438    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1439      of mom_common/
1440      - simple re-arrangement of instructions within computing loop
1441    checkpoint53d_pre
1442    
1443    checkpoint53c_post
1444    o new version of coupler for AIM+thSIce and Ocean models
1445     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1446     - land: change Evaporation of snow
1447     - aim with thSIce: fix bug in snow-precip.
1448    o changes to calc_gw.F
1449     - bug fix for w^2 term near the bottom boundary
1450     - (hopefully) improve the lateral slip boundary condtions for use with
1451        partial/looped cells
1452      - because the bug fix changes two verification experiments anyway (exp5
1453        and plume on slope), change the lateral boundary condition from half slip
1454        to the value of no_slip_sides
1455    o ebm package wasnt quite up to the parallel task. Fixed that.
1456    o Adjoint of EBM package + verification
1457      * TLM OK
1458      * ADM not sufficient accuracy yet (needs further testing)
1459    
1460    checkpoint53b_post
1461    o Commiting new energy balance model to repository
1462      * package is pkg/ebm
1463      * verif. is verification/global_ocean_ebm
1464      * references are in ebm_driver.F
1465    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1466    C        Global thermohaline circulation. Part I:
1467    C        Sensitivity to atmospheric moisture transport.
1468    C        J. Climate 12(1), 71-82
1469    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1470    C        Global thermohaline circulation. Part II:
1471    C        Sensitivity with interactive transport.
1472    C        J. Climate 12(1), 83-91
1473    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1474    C        Destabilization of the thermohaline circulation
1475    C        by atmospheric eddy transports.
1476    C        J. Climate 7(12), 1870-1882
1477    o Will need long integration testing.
1478    checkpoint53b_pre
1479    
1480    o created pkg/mom_common in preparation for variable viscosity code
1481    o renamed and split ini_mnc_io
1482    o pkg/land: only liquid water can diffuse or run-off
1483    o AIM using land: soil wetness availability account for snow
1484    o added printMapIncludesZeros to EEPARMS namelist
1485    
1486    checkpoint53a_post
1487    o restore TAMC compatiility for exf_constants.h
1488      (no usage of _d in .h)
1489    o Additional storing in KPP in an attempt to fix
1490      TAMC problem with adjoint of KPP code.
1491      (no success...)
1492      Identical code works fine with TAF.
1493    o Fixed verification/natl_box_adjoint experiments.
1494      Initial conditions for Experiments 4 and 5 are now
1495      set to "SEAICE_initialHEFF=0", which is more reasonable,
1496      and hence gives results closer to that of Experiment 2.
1497      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1498    
1499    checkpoint53
1500    o stable checkpoint with up to date adjoint
1501      TLM tests only run for 1st grdchk at the moment. Its unclear if
1502      this is a code problem or a problem with resetting code for g_
1503      variables that is being autogenerated wrong.
1504      Otherwise:
1505       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1506       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1507         are both still in chaos following their security messes.
1508    
1509    checkpoint52n_post
1510    o various build (mostly genmake2) changes including:
1511      - ability to build/run more easily within Cygwin and MacOS X
1512      - more complicated Makefiles with a stronger dependence on Gnu Make
1513    o pkg/seaice modifications
1514      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1515        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1516        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1517      - changed proxy for geostrophic velocity and updated
1518        verification/lab_sea/results/* accordingly
1519      - removed ADI dynamic solver from pkg/seaice
1520      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1521        they caused a segmentation fault under certain circumstances
1522      - removed unused field WATR
1523    o bug fix in exf-package:
1524      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1525         now reflect that.
1526    o small fixes in the cal-package:
1527      - set reference date to first of January for the 'model'-calendar
1528      - failing of cal_CheckDate in cal_FullDate now actually results in a
1529        warning
1530    o small modifications in exf-package to increase flexibility:
1531      - change climtempfreeze from a constant to a runtime parameter that
1532        is specified in data.exf_clim (default = -1.9)
1533      - introduce runtime parameter windstressmax (default = 2.0) that is
1534        specified in data.exf
1535    o fix in pkg/thsice:
1536      - update Evap (Tsf changes) to be consistent with Latent heat flux
1537      - maintain snow precipitation unchanged (even if Tsf >=0).
1538     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1539    
1540    checkpoint52m_post
1541    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1542      this does not change any of the results, because myIter=0 in swfrac always
1543      lead to jwtype=2 (the default anyway), but the call makes little sense
1544      as a default
1545    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1546    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1547      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1548    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1549    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1550    o extending useSingleCpuIO option to work with new exch2 I/O format
1551      - old-style, missing-tile I/O is still accessible by defining CPP
1552        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1553    o monitor package can write to NetCDF files and/or STDOUT
1554    o fix re-definition bug in MNC_GRID_INIT_ALL()
1555    o doc/api_reference added
1556      - a framework for building an API Reference Manual using all
1557        the "protex" comments embedded in the code
1558      - see pkg/generic_advdiff, pkg/mnc for examples
1559  o MNC:  o MNC:
1560    - make myThid the last argument for all subroutines    - make myThid the last argument for all subroutines
1561    - new default for the grid files: NO halos    - new default for the grid files: NO halos
1562    - add useMNC run-time flag    - add useMNC and other run-time flags
1563      - separate per-file-group handling of the unlimited dimension
1564      - early initialization of MNC w/ flags read at the eeboot stage
1565        and lookup tables set in initialize_fixed
1566      - write all MNC output to a freshly-created directory
1567  o thermodynamics sea-ice (thsice) is now tested with testreport.  o thermodynamics sea-ice (thsice) is now tested with testreport.
1568  o test exp. advect_cs: use the standard cs32 grid ; update output.  o test exp. advect_cs: use the standard cs32 grid ; update output.
1569    o Added functionality to grdchk:
1570      pick global i,j,k position (or nearest wet) where to perform check.
1571    
1572  checkpoint52l_post  checkpoint52l_post
1573  o new land formulation:  o new land formulation:

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