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revision 1.145 by heimbach, Fri Mar 21 23:20:36 2003 UTC revision 1.653 by heimbach, Fri Apr 28 22:54:02 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 SEAICE_CGRID adjoint started
8      (all stores seem to be sorted out, but NANs in adjoint).
9    
10    checkpoint58d_post
11    o upgrade simple test-experiment to tutorial example:
12     step.1: duplicate the experiment and (step.2) will remove the old copy.
13      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
14      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
15      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
16      tutorial_global_oce_biogeo    <- copy of dic_example
17      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
18      tutorial_plume_on_slope       <- copy of plume_on_slope
19      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
20      tutorial_global_oce_optim     <- empty for now (David ?)
21      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
22     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
23    o correct a sign problem in cost_scat.F
24    o obcs and ptracers: fix boundary conditions for advections schemes
25      with larger stencil
26    o thsice adjoint: start
27    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
28      completeness
29    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
30      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
31    o ptracers adjoint:
32      * avoid extensive recomputatations
33      * fix missing re-init. of gptr (missed by TAF)
34    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
35      me to turn off the excessive output to STDOUT that this package produces
36    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
37      and add those terms in Vector-Invariant formulation.
38    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
39      if the control period (xx_hfluxperiod etc) is 0
40    o in profiles pkg, clean routines and fix details
41    o in ecco pkg, reading ssh data:
42      fix problem in case the model does not start at iter0=0
43    o fix mnc-pickup/restart for ptracers
44    o new package prifiles:
45      code to compute profile-based cost by Gael Forget
46      (modifs in ecco, ctrl, autodiff)
47    o Benign bug fix in initialization (spotted by M. Mazloff) of
48      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
49    
50    checkpoint58c_post
51    o adjoint: finish NLFS adjoint and provide reference output in
52      verification/global_ocean.90x40x15/results_ad_nlfs
53    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
54      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
55      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
56      with SEAICE_CGRID defined.
57    o move calendarDumps from "data" to "data.cal" and clean-up the code
58      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
59    o add useEXF & useCAL flags (for now, set in hard-coded way)
60    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
61      (were missing in NH mode, and wrong in quasihydrostatic mode).
62      waiting for Chris updated version of calc_gw to add those CALLs.
63    o fix bug in quasihydrostatic S/R ;
64      add a test for this option: global_ocean.90x40x15.qshyd
65    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
66      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
67    o add on/off flag useOffLine for package OFFLINE
68    o seaice:
69      - modify advection so that it works also on the C-grid
70      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
71        problem in multi-tile runs with C-grid
72      - add flags for clipping ice velocities and/or masking solver forcing
73      - fix drag (ocean on ice) formulation and a bug that caused noise in the
74        C-grid solver
75      - added a few comments to seaice_diffusion.F
76      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
77        are now exclusive)
78      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
79        required re-ordering the code a little:
80       + make DAIRN global variable (defined in SEAICE)
81       + move computation of the viscosities eta and zeta into a new separate
82         routine (because I need to recompute them in seaice_ocean_stress.F)
83    
84    checkpoint58b_post
85    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
86      update output.txt of exp. aim.5l_cs.thSI
87    o various mnc cleanups and improvements:
88      + shrink lookup tables by factor of ~4
89      + better error reporting when running out of lookup space
90      + able to handle longer path/file names (up to 500 chars)
91    o adjoint:
92      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
93      - TBD: "hidden" mom_vecinv recomp. in dynamics
94    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
95     (allow to differentiate between forcing components using new integer flags:
96      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
97     and add new flag to put Dissipation tendency out of Adams-Bashforth.
98    o ecco
99      - enable trend removal from SSH anomaly obs.
100    o adjoint
101      - a fix for PmEpR when #undef EXACT_CONSERV
102      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
103      - try to fix "hidden" recomp. in forward_step for NLFS
104        (NLFS seems broken sometimes after I checked it in)
105    o seaice:
106     - add c-grid version of the dynamic solver:
107       + three new routines that are the c-grid substitute lsr, dynsolver
108         and ostres
109       + put a few fields that were local to dynsolver into global common
110         blocks, so that I can move the computation of stresses etc into
111         seaice_lsr (saves coding but may break the adjoint).
112     - replace more hardwired parameters by runtime parameters
113     - add ice masks that mask the rhs of the implicit solvers where there
114       is no ice (commented out in seaice_dynsolver, because i am not sure
115       if this works properly), eventually this should replace the clipping
116       of ice velocities in seaice_dynsolver to +/-40cm/s.
117    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
118      include it only where its needed
119    o move balancing of fluxes before the call of external_forcing_surf
120    o seaice:
121      - correct units of turning angles (now they are really in degrees)
122      - move computation of GWATX/Y out of main routine into dynsolver
123      - initialize GWATX/Y in seaice_init
124    o Apply mask on Fresh-Water flux (needed for SSH forcing).
125      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
126    o seaice: add runtime flags for turning angles (default to zero)
127    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
128      and trend from exf forcing and ctrl control adjustments
129    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
130      (since checkpoint57x_post)
131    o change the default rotation period to 86164.s = the Earth rotation
132    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
133      and based on a reference stratification. Tested within hs94.cs-32x32x5.
134    o seaice advection: add code for choosing between the default (2nd order
135      central differences) and multiDim advection schemes provided by
136      pkg/generic_advdiff
137    o seaice:
138      - removed all references to SEAICE_GRID.h fields from
139        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
140        (cubed-sphere configuration will change a little)
141      - grid computations in seaice_init are obsolete now.
142      - cleaned up code a little so that is easier to read (hopefully).
143      - added new (better?) discretizations of default advection and diffusion
144        (turn on with SEAICEuseFluxForm)
145      - replace 1 in 3d global fields by kSurface in growth.F
146      
147    checkpoint58a_post
148    o seaice:
149      - bug fix in advect.F
150    o shelfice:
151      - separate shelfice load anomaly from pload (breaks with time
152        dependent forcing), => introduce constant field shelficeLoadAnomaly.
153        Its default is 0., but it may be computed more cleverly from (unknown)
154        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
155        done offline. A good approximation of the pressure load anomaly is
156        necessary to avoid large initial adjustment processes underneath
157        deep-reaching shelfice.
158      - small fix in ISOMIP shelfice_thermodynamics
159      - add more sophisticated thermodynamics of Hellmer (1989), this is
160        now the default
161      - give a few constants more intuitive names
162    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
163      if bulk formulae are used in long integration (especially EmPmR). Turn
164      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
165      if balancePrintMean, the imbalance that is substracted is printed to
166      STDOUT.
167    o fix bug (typo) in obcs_apply_eta.F
168    o add a new package shelfice which enables us to model the circulation
169      underneath shelf-ice with draughts of hundreds of meters.
170     - works
171     - to do: + include improved thermodynamics
172              + check whether kSurfC (from model/inc/SURFACE.h) can be used
173                instead of new field kTopC
174              + can we use topoFile, Ro_surf and existing code in ini_depth.F
175                instead of new field R_shelfIce and new code in ini_depth.F
176                and ini_mask_etc.F?
177              + adjust vertical mixing schemes?
178    o seaice pkg:
179     - add a cpp-flag to include a simple formula for a salinity dependent
180       freezing point of sea water at the surface
181     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
182       meridional stresses are now different (and hopefully correct)
183    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
184       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
185       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
186    o pkg/diagnostics: add options and parameters for regional-statistics
187       diagnostics ; define regions by reading a region-mask from a file
188       (might add other options later)
189    o pkg/bulk_force:
190     - add option and parameters to use AIM surface-flux formulae.
191     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
192       others forcing fields (defined in PARM05, parameter file "data") are loaded
193       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
194     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
195     - use the right EXCH call for uwind,vwind (to work on CS-grid).
196     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
197       and parameters (note: calcWindStress replaces .NOT.readwindstress).
198     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
199    
200    checkpoint58
201    o add "--embed-source" option to genmake2 which, when the supporting
202      tools can be compiled (as determined by genmake2) will turn on the
203      embed_files package which then embeds the entire MITgcm source code
204      (*.[fFhc] + Makefile) used for the build within the executable
205      - requested by CNH but off by default
206      - adds a paltry <9MB to the mitgcmuv executable in most cases
207      - only writes the output when useEMBEDSRC in eedata is true
208    o clean up 3-dim. relaxation codes:
209      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
210      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
211      * Thanks to Tom Haine for testing!
212    
213    checkpoint57z_post
214    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
215      affects output (@ truncation level) of exp. plume_on_slope ; updated.
216    o fix the pickup behavior for obcs in combination with ptracers
217    o fix a bug in ptracers_external_fields_load
218    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
219      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
220    o transfered surface NH pressure to eta field (if exactConserv).
221    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
222         and update lab_sea output.txt file.
223    o completing 3-dim. relaxation code: additional term
224         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
225      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
226      * At compile time, in "EXF_OPTIONS.h" set
227          #define  ALLOW_CLIMTEMP_RELAXATION
228          #define  ALLOW_CLIMSALT_RELAXATION
229      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
230          tauThetaClimRelax3Dim = 15552000.0,
231          tauSaltClimRelax3Dim  = 15552000.0,
232      * 3 cases:
233          1) Use a constant-in-time 3-dim. field
234          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
235          3) Real-time relax. to time-evolving prescribed field
236    o Adding Laplacian-type smoothness constraint on
237      initial and boundary (forcing) controls (ic, bc)
238      * enable at compile-time via
239        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
240      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
241      * Absolute scale somewhat unclear so far
242      * no area weighting was included since no other cost term does so far
243    
244    checkpoint57y_post
245    First step for a NLFS adjoint
246    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
247    o new init. routines for calc_r_star, calc_surf_dr
248    o still need to deal with ini_masks_etc
249    o testreport seemed happy
250    checkpoint57y_pre
251    
252    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
253    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
254    o add new offset feature to offline pkg (plus minor cleanup)
255    o cfc fixes for final year of integration
256    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
257      be in GCHEM_OPTIONS).
258    
259    checkpoint57x_post
260    o fix testreport Pb in multiple test experiment.
261    o cleanup our namelist syntax in verification:
262      - make it more F95 standards compliant (some work still needed)
263      - allows the vast majority of our tests to work with gfortran
264    o Non-Hydrostatic:
265     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
266     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
267    o Allow to apply AB on T,S rather than on AB(gT,gS):
268     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
269     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
270       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
271     - need a "clever" read_pickup to restart from the other AB formulation
272    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
273    o remove some unused variables (reduces number of compiler warnings)
274    o adjoint
275      * Disable useVariableViscosity for adjoint for time being
276        (there are a number of extensive recomputations)
277      * Initialize certain variables needed for adjoint
278    
279    checkpoint57w_post
280    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
281                 fix the singleCpuIO RS version of MDSWRITEFIELD
282       and add a WARNING if using globalFiles=T with multi-processors.
283    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
284      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
285    o tracer advection scheme:
286      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
287       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
288       was not very convenient).
289      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
290       (further tests needed for the implicit DST & Flux-Limiter schemes).
291    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
292      and sRef for convenience, handy, when you want to initialize
293      ptracers in a large domain with a constant non-zero value. Also,
294      untangle ptracers_init.F a little.
295    
296    checkpoint57v_post
297    o change dome exp. to use variable viscosity in side-drag terms.
298    o remove all the files from the cfc_offline test since they are now
299      incorporated into tutorial_cfc_offline which has been producing
300      identical results for a few days of testing
301    o add new parameter: sideDragFactor to enable half-slip-side BC
302      and change side-drag S/R to use viscosity from mom_calc_visc
303      (can switch back by setting sideDragFactor=0.); affects results at
304      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
305       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
306    o vorticity & strain are now computed without masking, to account for
307      no-slip-side BC in variable viscosity calculation ; mask is applied
308      anyway later on, before computing advection/coriolis terms.
309    o modify exp4 to test new obcs support for reading from external files
310      and for passive tracers
311    o fix behavior of ptracers_monitor when monitor output is written to a
312      netcdf-file; still not independent of monitor.F (writes in the same
313      file).
314    o change default value of tRef (put a uniform, meaningful value for ocean
315      & atmos) and initialize sRef (was missing, as Martin mentioned).
316    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
317      to be proportional to enstrophy dissipation length.  Thus,
318       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
319      This is now consistent with Smagorinsky and with the manual.
320    
321    checkpoint57u_post
322    o OBCS and PTRACERS: add open boundary support for passive tracers
323      - either use homogenous (pseudo) v.Neumann conditions or prescribe
324        OB-values from file; this is not different from the way theta and salinity
325        are treated
326      - however, Orlanski-radiation conditions are not supported, and the model
327        will stop if you use pTracers and Orlanski at the same time.
328      - beefed up the rountine obcs_external_fields_load: now only those open
329        boundary values are overwritten with values from files for which there
330        are really files, otherwise the OB-fields remain untouched. This makes
331        it possible to use different OBs at different ends of the domain (as
332        with EXF)
333    o reduce number of exch calls in shap_filt (s2).
334    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
335      truncation level) 4/5 MLAdjust test results (11&12 digits match).
336    
337    checkpoint57t_post
338    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
339    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
340      same truncation, independent of the face number: affects affects several
341      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
342    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
343      note that biharmonic viscosity + no-slip was not tested in any experiment.
344    o fix bug in non-linear free-surf side-drag ; generate new output for
345      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
346    o make mnc honor the writeBinaryPrec flag for most kinds of output
347    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
348    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
349      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
350    o add brackets in multi-terms sum to get same truncation, independent of
351      the face number (manage to get exactly same value of gU,gV at the cs-edge)
352      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
353    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
354      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
355      a maximum grid-scale Reynolds number.  Also, changes all length calculations
356      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
357      Suggested values of viscosity parameters found in mom_calc_visc.
358      Many new viscosity diagnostics available.
359    
360    checkpoint57s_post
361    o Add clearing-house for viscosity calculations, mom_calc_visc and
362      correct numerous bugs in LeithD and Smagorinsky discretizations.  
363      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
364      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
365      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
366      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
367      The Strain-Tension form is now called with useStrainTensonVisc=.true.
368      ViscAhStrain and viscAhTension are now retired.
369    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
370    o In response to JMC's bug report, genmake2 now ignores any soft-links
371      that it finds in the *current* directory when searching for files.
372      Soft-links found in any other source directories will still work as
373      they did before.
374    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
375      a C routine to unlimit the stack size
376    o mnc-ify pkg/aim snapshot vars
377    o mnc-ify pkg/land as requested by Daniel
378    o various changes to mnc including:
379      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
380      - output can now be grouped so that all files within a group
381          change the ITER portion of their names in lock-step together
382      - can now read ("global") PER-FACE (in addition to PER-TILE) files
383          and works with both EXCH1 and EXCH2 (but needs more testing)
384      - writing works for all verification test cases w/ g77 on Linux
385    
386    checkpoint57r_post
387    o make MNC variable initialization happen earlier
388    o add diagnostics for (almost) each term of the momentum Eq.
389    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
390    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
391    o remove MINIMAL_TAVE_OUTPUT option ;
392      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
393    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
394      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
395    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
396    o add time-dependent SST, SSS control
397    o cost terms in ecco/ modularized (new cost_generic.F)
398    o cost_averages routines are modularized (new cost_averagesgeneric.F)
399    o new infrastructure for seaice model vs. obs misfits in seaice/
400      * driver from the_main_loop.F is seaice_cost_driver.F
401      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
402      * gradient check in Exp. 6a of natl_box_adjoint/
403    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
404      (see README file)
405    
406    checkpoint57q_post
407    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
408    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
409      - bug was reported by Jean-Michel and Ian Fenty
410    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
411      update exp. cpl_aim+ocn output.
412    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
413      Needed for high-res. runs with large global files
414      to be able to limit tapelev size
415    o Changed some tests for adjoint:
416      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
417      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
418      * global_ocean.90x40x15/ back to default 3-level checkpointing
419    o Modifications to enable scripted COMMON to MODULE conversion
420      * verification/OpenAD/code/ has necessary scripts and description;
421      * converts, compiles and runs successfully;
422    
423    checkpoint57p_post
424    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
425    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
426      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
427    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
428    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
429      (was already the case for dissipation with mom_vecinv,
430       and also the case for grad.PhiHyd when staggered-timeStep)
431      This will allow to put dissipation out-off the AB time-stepping.
432     Unfortunately, affects truncation error. Update output of exp. that "fails"
433      (cg2d matching number) and leave the others for later: front_relax(10),
434      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
435      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
436    
437    checkpoint57o_post
438    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
439      (2) its ready to be documented during the 20050801 DocFest
440    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
441      for ideal_2D_oce and lab_sea on linux_ia32_g77
442    o set to #undef CTRL_SET_OLD_MAXCVARS_30
443      in global1x1_tot/code_seaice_adj to access indices 32, 33
444      (worth another tag)
445    
446    checkpoint57n_post
447    o adding precip control xx_precip 32
448    o adding swflux control xx_swflux 33
449    o Replacing 10 forcing penalty cost routines by 1 generic.
450    o Implementing partitioning in time-mean and variable adjustment
451      for atmos. state.
452    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
453    o in natl_box_adjoint:
454      * updated exp 1 to 10
455        (but does not have time-mean vs. variable split results yet)
456    o updated global1x1/*_seaice_adj/
457      to incorporate latest changes
458    o enable useSingleCpuIO for mdsio vector routines
459      (applies in particular to tapelev I/O)
460    o removed inefficient K-loop in all active_file*control*.F
461    
462    checkpoint57m_post
463    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
464      and advect_cs (use EXCH-2 and standard cs-32 grid files).
465    o pkg/exch2: filling of face-corner halo regions is optional
466      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
467    
468    checkpoint57l_post
469     tag before updating tutorials (pre-release-2)
470    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
471       for output and interpolation of input fields onto model grid)
472    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
473       Affects results of exp. rotating_tank ; update output.txt.
474    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
475          and taking the square quantity and/or using a fraction-weight field.
476    o fix aim_diagnostics_init.F mate numbers.
477    o add mnc output capability to diagnostics/diagstat and update
478      our cvsignore files for the ACSII output generated
479    
480    checkpoint57k_post
481    o lab_sea now uses diagnostics package and provides a suite of
482      new EXF diagnostics output.
483    
484    checkpoint57j_post
485    o exf
486      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
487        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
488        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
489      * extended diagnostics output
490        - now includes all EXF variables
491        - hs, hl moved to common block
492        - separate S/R for diagnostics, called after ctrl vector is added
493        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
494        - EXFqnet contains true Qnet (i.e. includes qsw)
495      * updated verif. lab_sea, global_with_exf
496      * Rearranging hflux (exf_mapfields -> exf_getforcing)
497        to ensure that diagnostics sees a true EXFqnet
498    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
499    o diagnostics pkg: change pointers so that 1 diagnostic can be used
500      several times with different frequencies.
501    o mnc-ify the thsice package as requested by Daniel Enderton
502      - the monitor--MNC output needs work
503      - many attributes need to be added (most are currently blank)
504    o mnc-ify theaim_v23 package as requested by Daniel Enderton
505      - many attributes need to be added (most are currently blank)
506    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
507    o add Sadourny like discretization to the 4th.O vorticity advection scheme
508    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
509      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
510         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
511    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
512     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
513    
514    checkpoint57i_post
515    o Diagnostics package was changed: diagnostic allocation is now deactivated
516      by setting an empty file name in the namelist (used to be by setting 0 frequency)
517    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
518      add 1rst Order upwind vertical Shear.
519    o add a quick fix for A/B checkpointing in OFFLINE mode
520    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
521      end-run around the C/Fortran linking horror in eesup/src/timers.F
522    o added pkg/runclock: allows user to terminate run based on wall clock
523    o added non-hydrostatic scaling parameter: nh_am2
524    o pkg/my82: futile attempt to make results compiler-independent by adding
525      some "_d 0", etc. no effect.
526    o for mnc output, fill the 'T' coordinate var with myTime and create a
527      separate 'iter' variable for iteration count
528    o pkg/diagnostics:
529      add new capability: output of Global/Regional & per-level statistics ;
530      tested against monitor output (including land & thSIce) on various exp.
531    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
532    
533    checkpoint57h_done
534      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
535      data.diagnostics, data.gchem, data.ptracers) is done.
536    
537    o pkg/diagnostics: prepare for Global/Regional statistics.
538      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
539    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
540      and rename it: DIFFERENT_MULTIPLE
541    
542    checkpoint57h_post
543    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
544    o pkg/diagnostics: change output frequency, now in seconds (instead
545      of Nb of iterations). This requires to change data.diagnostics.
546    checkpoint57h_pre
547    
548    o in mnc, let the user create the output dir if both mnc_outdir_date
549      and mnc_outdir_num are false
550    o add fflags() to pkg/diagnostics which allows one to specify, on a
551      per-file basis, the file precision [default behavior is unchanged]
552    o added diagnostics to pkg/kpp, including computation of mixed layer
553      depth based on a temperature/density criterion
554    o updated verification/natl_box to test the new pkg/kpp diagnostics
555    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
556    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
557    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
558      not mnc -- this mistake was found by JMC and is now corrected
559    
560    checkpoint57g_post
561    o add Adams-Bashforth 3rd Order time stepping:
562      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
563      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
564    checkpoint57g_pre
565    
566    o make lambda[Theta,Salt]ClimRelax spatially varying
567      (default remains spatially uniform constant based on tau)
568    o added new control variables
569      * init. uVel, vVel, etanN
570      * lambda[Theta,Salt]ClimRelax
571    o separate masks used for ctrl_pack/unpack 'from write_grid' output
572      (suggested by G. Forget)
573    
574    checkpoint57f_post
575    o add parameter "baseTime" = model base time = time at iteration zero
576      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
577      account for baseTime shift
578    o move Coriolis arrays from PARAMS.h to GRID.h
579    checkpoint57f_pre
580    
581    o mnc-ifying the seaice package
582    o introduced an alternative length scale calculation for use in the limiting
583      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
584    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
585    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
586      as well as grad(vort3).  Made it compatible with both approximate form
587      for the cubed sphere and full form of these gradients.  Added flag
588      useFullLeith to select between approximate and full form.  
589    o add "d0" in getcon.F to reduce differences between compilers/platforms
590      update output.txt of exp. fizhi-gridalt-hs
591    o change port_rand funtion to allow to set the seed.
592    o fix obscure MNC bug involving conversion between reals and integers
593      - it caused no problems with certain (eg. gcc, ifc) compilers but the
594        new version is now more standards-compliant
595    o adjoint-related modifications
596      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
597      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
598      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
599    
600    checkpoint57e_post
601    o Adding eddy stress controls a la Ferreira et al.
602    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
603    
604    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
605      update output.txt of exp. fizhi-gridalt-hs
606    o add more "Z" dimensions and associated coordinate vars to MNC
607    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
608    o parameter calendarDumps: when set, approximate months (30-31 days) and years
609      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
610      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
611      months and years.  Requires pkg/cal.
612    o diagnostics: add pickup functionality
613      - off by default for backwards compatibility
614      - current version only uses MDSIO -- MNC will be added
615    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
616    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
617    
618    checkpoint57d_post
619    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
620    o modify verification/ideal_2D_oce so that it tests the creation of mnc
621      output from the diagnostics package
622    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
623    o make genmake2 more portable by using ".$FS" instead of ".f" for more
624      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
625    o add coordinate variables to the MNC output from the diagnostics package
626    o change MNC-flags default value: true when useMNC=TRUE
627    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
628      the ability (off by default) to read the grid information using MNC
629    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
630    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
631    o do snap-shot diagnostics at the middle of the time-interval (instead of
632      at the end).
633    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
634      new test for AIM with thSIce + slab-ocean
635    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
636    o move state variable diagnostics to the beginning of the time step ;
637      (note: still needs some work specially for snap-shot diagnostics)
638      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
639    
640    checkpoint57c_post
641    o Change testing option (-ieee) to get closer agreement between g77 & ifort
642    o generate new output.txt files on faulks with g77 & the new -ieee option
643    checkpoint57c_pre
644    
645    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
646      update output.txt of exp. global_ocean.90x40x15
647    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
648      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
649    o add saltFlux(+File) forcing capability with periodicExternalForcing
650    o allow to use pkg diagnostics for GM-Redi & ThSIce output
651    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
652    o improvements for the MNC output from DIAGNOSTICS:
653      - correct handling of the unlimitied dimension
654      - all dims now have associated coordinate variables
655      - variables located at U, V, and Corner ("Z") points are now written
656        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
657        *all* data points are output
658    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
659    o added pkg/seaice/seaice_monitor.F
660    o mdsio_readfield.F can now read files visible only to master MPI process.
661    o pkg/seaice: some test code for ice-modified ocean stress
662    o exf_getffields interpolation defaults to bilinear for all scalar forcing
663      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
664      spurious negative numbers for precipitation and humidity.  Will cause
665      some small numerical differences for integrations using pkg/exf/exf_interp.F.
666    o pkg/ctrl/
667      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
668        May be enabled via doPackDiag
669      *  introduce z-scaling of
670         + gradient (doZscalePack) and
671         + control (doZscaleUnpack)
672    o pkg/mdsio/
673      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
674      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
675    
676    checkpoint57b_post
677    o simplify options in diagnostics_fill arguments (remove weird combinations)
678    o fix MNC coordinate variables so that they now contain per-face index
679      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
680      general, EXCH2 grids are only aligned to a "local" coordinate system
681    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
682    o Implement instantaneous output within pkg diagnostics:
683      setting a negative frequency in data.diagnostics produces
684     "snap-shot" output (as opposed to time-average if freq > 0)
685    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
686      NOTE: change ptracer diagnostics name: use 2 characters to work with
687            more than 9 tracers. Add also diagnostics of advect & diffus flux.
688    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
689      becomes the coordinate variable for the 'T' dimension
690    o add CF-style coordinate variables to MNC
691      - just a first cut:  numbers are meaningless on the cubesphere and
692        missing along the T axis but otherwise it works!
693    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
694    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
695    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
696      this is based directly on what the model compute, so that the content of
697      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
698    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
699    o clean up build options files for SunOS, in particular
700      - remove -traditional from xmakedepend
701      - change -xarch=v9 to -xarch=native for f77
702      - restore use of make (not gmake)
703      - add CC=gcc if using g77
704    o changes per discussion of AM, JMC, & EH3 today:
705      - move redundant "grid" variables out of "state" -- in preparation of
706        creating proper CF-style coordinate variables and in recognition
707        that any/all grid variables can be easily copied (eg. w/NCO) from
708        the grid files into any of the other NetCDF files
709      - *always* output grid variables with MDSIO (this will eventually be
710        changed)
711      - output MNC grid file if useMNC is true
712    o every instance of _END_MASTER() has been found and replaced with
713      _END_MASTER( myThid ) in order to satisfy certain picky Sun
714      preprocessors
715    o re-arrange diagnostics pkg initialisation:
716     - allow each package to extend the available diagnostics list
717     - add some checking and fix small problems (multi-threaded, ...)
718     - new S/R diagnostics_fill (replace fill_diagnostics):
719       look through the short list of active diag. (instead of the long list)
720       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
721    
722    checkpoint57a_post
723    o this set of changes restores TAMC compatibility
724      tested for global_ocean.90x40x15 adjoint on trough
725      (what a pain)
726    
727    checkpoint57a_pre
728    o some modifs in tools/build_options for sunos
729    o call ctrl_pack for ctrl at end for optimcycle=0
730    
731    checkpoint57
732    o add horizontal bi-harmonic viscosity for vertical velocity
733      - new parameter viscA4W (defaults to viscA4)
734      - affects only non-hydrostatic code
735      - to be done: no-slip lateral boundary conditions
736    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
737    o implement Implicit Vertical advection for pTracers
738    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
739      (implemented also for implicit vertical diffusion & advection)
740    o OBCS: extend application of tracer open boundary conditions
741      to a strip beyond the boundary of width Olx/Oly
742    o add call monitor to TAF set of required calls (flow directives)
743      and include in natl_box_adjoint
744    o untangle a few ifdefs related to cost, ctrl, autodiff
745      untangel a few ALLOW_ECCO_OPTIMIZATION
746    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
747      (theta2, salt2 in ecco_cost_weights)
748    
749    checkpoint56c_post
750    o OBCS as control variables
751      - update ctrl_ad_diff.list, obcs_ad_diff.list
752      - remove balance of obcs controls from default
753      - fix index bug nobcs in ctrl_init
754      - fix dummy fields filen in ctrl_pack
755      - add dummy weights for obcs
756    o lsopt: comment out fort.94 output
757    o optim:
758      - remove unnecessary header files
759      - adjusted namelists
760      - add xerbla.F to Makefile
761    o exf:
762      - multiple modifications of exf_check_range
763      - unit change in exf_init_runoff from [m/year] to [m/s]
764    o mdsio:
765      - i/o-vector change debugLevel from debLevA to debLevB
766    
767    checkpoint56b_post
768    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
769      is called from DO_THE_MODEL_IO
770      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
771      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
772      - clean up PTRACERS_WRITE_TIMEAVE a little
773    o add another verification experiment that tests both the cfc-pkg and
774      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
775      reactive tendencies treated inline with regular timestepping
776    o testreport previously did a lousy job of comparing small numbers, so
777      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
778      implemented in the little c-progam tmp_cmpnum.c which is embedded in
779      testreport.
780    o ptracers_monitor: bug fix for MPI
781    
782    checkpoint56a_post
783    o GCHEM: finish reorganizating the package
784      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
785        (introduces another 3D-array for each passive tracer, but only if
786        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
787        gchemTendency is not needed because the timestep is done separately)
788      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
789      - GCHEM is now---more or less cleanly---separate from PTRACERS
790      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
791        so clear to me how that should be done in a general way.
792    o CFC: improve formatting of output in CFC_ATMOS
793    o PTRACERS:
794      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
795        that ALL experiments with ptracers enable can be checked. This makes
796        GCHEM_MONITOR obsolete.
797      - include a runtime parameter PTRACERS_monitorFreq that defaults to
798        monitorFreq
799      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
800    o add PTRACERS (PTR0[1-5]) to testreport output
801    o exf_check_range:
802      * default changed to .TRUE.
803      * will check values for niter0 if debLevA, every timestep if debLevB
804      * STOP in exf_check_range if 'out of range'
805      * range chosen generous to allow for potential extema
806      TBD: a version with stricter range
807           permitted range would be runtime parameters
808    o GMredi:
809      - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
810      - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
811      - change the default GMREDI_OPTIONS.h: compile everything except Visbeck
812    o GCHEM:
813      - move call to GCHEM_FORCING_SEP, so that it is now called before
814        the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
815      - introduced a useGCHEM runtime flag and applied it everywhere.
816      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
817        this flag is now only visible within GCHEM-pkg routines.
818      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
819        be replaced by a 3D array that is computed before thermodynamics; for
820        this, the tracer ID iTracer had to be included into the parameter list
821        of ptracers_forcing
822      - set up forward_step to call gchem_forcing, that will replace
823        gchem_forcing_int in ptracers_forcing
824      - cleaning up
825    o small cleaning of exch2: remove files that are also in eesupp/src
826    
827    checkpoint56
828    o AIM: read land-Fraction earlier (from ini-fixed) and monitor land at nIter0
829    o mnc: cleanup "full" files--fixes out-of-memory problem
830    o ECCO-GODAE
831      * model/, pkg/, code/, input/ now complete w.r.t. ECCO-GODAE production setup
832      * fully merged and updated from SIO code
833        windstress sign change affects
834        - exf_inscal_[u/v]stress
835        - sign of xx_tau[u/v] adjustments
836        - signs in cost_scat
837      * ctrl_get_gen: avoid update of tau[u/v] for first few days
838      * natl_box_adjoint updated and compressed
839      * 2-level checkpoint switch added
840        (tested in EXP. 1 of natl_box_adjoint)
841      * new switch doInitXX to avoid init. of xx_... in optimcycle=0
842    o SVD
843      * first complete, non-hacked version for SVD calculations
844      * all interfaces clean w.r.t to handling of xx_..., adxx_..., g_xx_...
845        performed via direct access files admtlm_vector.it????
846        (via ctrl_[un]pack)
847      * optimcycle is used for ARPACK iteration counter
848        (note: adxx_... is iterated, rather than xx_...; latter is constant!)
849      * EV problem ok w.r.t. L2-norm in tangent space; need to check other norms
850        and add linear transforms where necessary
851      * controls are initial/final SST, SSS (can be extended; need to check
852        ctrl_set_[un]pack_xyz.F according to ctrl_set_[un]pack_xy.F
853    o mdsio: filename info to both stderr, stdout
854    o exf: exf_inscal_runoff: separated default conversion [m/year] -> [m/sec]
855      from sign change
856    
857    checkpoint55j_post
858    o isolate dissipation tendency (allow to keep it out off AB) in V.I form.
859      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
860    o add consistent build directories and .cvsignore files to verification
861    o added viscA4GridMin and viscA4GridMax for more control on biharmonic viscosity
862    o make all subroutines 30 or less characters in length for certain older
863      compilers to work (a thorough search only turns up two routines in
864      pkg/ptracers)
865    o allow (vecinv only) a different horiz. viscosity for Divergence and Vorticity;
866      affects (truncation level) output.txt of global_ocean.cs32x15(&.thsice)
867    
868    checkpoint55i_post
869    o change arrays for total vertical diffusivity (2.D if explicit,
870      3.D if implicit) ; each ptracer uses its own background value.
871    o added mnc/NetCDF output capability to ocn_compon_interf
872      - added bits to verification/cpl_aim+ocn so that it can run on
873        ITRDA and other clusters without the mpirun "-wd" option
874    o fixed wayward endif in mom_fluxform.F that messed up cyclindrical
875      configuration
876    o give MNC the ability to create additional files rather than
877      exceeding a specified file size limit "MNC_MAX_FILESIZE"
878      - the default is just less than 2GB which is a practical limit
879        on many systems
880    o Compute the non-local term using either KPP vertical diffusivity (=default)
881       or the total vertical diffusivity (when KPP_ghatUseTotalDiffus=T)
882    
883    checkpoint55h_post
884    o add verification test "vermix"
885    o remove all the *_ioinc flags and replace with the single global
886      outputTypesInclusive flag
887    o allow to set a vertical profile of vertical diffusivity for T & S
888    o call PACKAGE_BOOT & PACKAGES_READPARMS just after INI_PARMS
889    o useMNC moved from data.mnc to data.pkg
890    
891    checkpoint55g_post
892    o Renaming carbon AD experiments to comply with testreport conventions
893    o Updating adjoint of Held-Suarez hs94.1x64x5
894    o Fixing directives for non-ECCO forward_step, after ECCO directives
895      have been fixed to avoid recomp. of do_oceanic_phys
896      Works well for global_ocean.90x40x15,
897      but recomp. issue remains for carbon
898    o Updating adjoint output for natl_box_adjoint after
899      pkg/ecco has been modified (see taga c55d_post)
900    
901    checkpoint55f_post
902    o rename to timeave_init_fixed
903    
904    checkpoint55e_post
905    o some delicate re-shuffle of store directives to avoid one
906      extra call of do_oceanic_physics
907      affects ecco_the_main_loop.F, do_oceanic_physics.F
908      checkpoint_lev1_directives.h
909    o NB: this may break global_ocean adjoint temporarily,
910      but it is clear how to fix it. Will do later, need this now.
911    
912    checkpoint55d_post
913    o ECCO specific cost function terms (up-to-date with 1x1 runs)
914    o ecco_cost_weights is modified to 1x1 runs
915    o modifs to allow observations to be read in as
916      single file or yearly files
917    o enable to read exf forcing fields as either
918      single file or yearly files (flag useExfYearlyFields)
919    checkpoint55d_pre
920    
921    o switch between 2-level and 3-level checkpointing
922    o add ability of MNC to write local and "partial" (eg. 2D slices where
923      the full 3D field is never actually stored) arrays to NetCDF files
924      with the correct (that is, the complete multi-dimensional) set of
925      array indicies
926      - used in mom_vecinv() to write the diagFreq output
927      - tested (demonstrated) in verification/aim.5l_cs
928    o further mnc-ification
929      - add verification/lab_sea to the list with mnc setups
930      - fix undefined mnc v-names in cd_code
931      - add kpp to mnc output (both snapshot and timeave)
932    o non-hydrostatic code
933      - added horizontal viscosity parameter viscAhW for w, that replaces viscAh
934        in calc_gw.F
935      - defaults to viscAh
936      - this is useful, when I want to use viscAh=0 (e.g., only biharmonic
937        friction or Leith) in non-hydrostatic mode, as long as there is
938        no biharmonic friction and/or Leigth or equivalent for vertical velocity.
939    o pkg/cost
940      extend simple cost functions to treat time mean quantities
941      (T,U,V) via cost_accumulate_state from cost_tile
942    o multidimAdvection on CS-grid: implement the full 3 pass ; overlap needs to
943        be 2 times larger than the minimum size the advection scheme requires.
944        now get a perfect conservation of salt in advect_cs test-exp (updated)
945    o GGL90 (Gaspar's TKE mixed layer)
946      - add horizontal diffusion of TKE, requires exchanges in
947        do_fields_blocking_exchanges, horizontal diffusivity is zero by
948        default. In OPA there is no horizontal diffusion of TKE but the
949        mixing coefficients are computed from a horizontal average of TKE of
950        6 points or so. I think that diffusion has a little more physical
951        justification.
952      - clean up ggl90_calc in the hope of reducing memory usage (this hope
953        was in vain)
954      - mask tke-variable in ggl90_init
955    o fix mask Pb in multidimAdvection on CS-grid (still a small Pb with ipass)
956    o fix biharmonic diffusion on CS-grid.
957    o more obcs stuff
958      - added obcs_external_fields_load as an alternative to the EXF-pkg option
959        for reading boundary values. This routine is called from
960        obcs_prescribe_read
961      - updated obcs_check
962      - changed sponge layer relaxation parameter units for days to seconds
963      - turned off sponge layer by default
964      - changed argument list of OBCS_CALC to myTime+deltaTclock
965      - fixed about 35 bugs in obcs_external_fields_load
966    
967    checkpoint55c_post
968    o obcs stuff
969      - new runtime flags useOBCSprescribe, useOBCSbalance
970      - re-arranged obcs_calc
971      - moved exf_getobcs to obcs_prescibe_read
972        obcs_prescibe_read is called after ORLANSKI stuff
973        and independent of it (executable can contain all).
974      - updated obcs_check
975      - added exchanges for U,V,gU,gV for useOBCSprescribe=.TRUE.
976        These may be necessary only if tangential velocities are
977        prescribed at OB, not sure, needs testing.
978    o make the MNC_CW_ADD_VATTR_* subroutines all take scalar arguments
979      which simplifies the calls and passes the ifc check-bounds test
980    
981    checkpoint55b_post
982    o add a 2D scalar, Z location, exchange_2 routine.
983    o EXCH_UV for CS-grid: add one u,v in the corner-halo region, allows
984      to compute vorticity on a wider stencil [e.g., vort3(0,1)&(1,0)]
985      affects advect_cs results (for the wrong reason): update output.txt
986    o use a more standard discretization for biharmonic viscosity ;
987     (original version still available with #define MOM_VI_ORIGINAL_VISCA4 )
988      affects results of dome set-up: update output.txt
989    o fix gad_advection.F (CubedSphere part), back to version 1.23
990    o fix bug in mom_vi_del2uv.F (CubedSphere part).
991    
992    checkpoint55a_post
993    o merged code to
994      * prescribe/read time-dependent open boundaries
995        (works in conjunction with exf, cal)
996      * sponge layer code for open boundaries
997      * each boundary N/S/E/W now has its own CPP option
998        (healthy for the adjoint)
999    
1000    checkpoint55
1001    o up-to-date adjoint of previous breaks
1002      - natl_box_adjoint: problem for exp 12, 13: cost = 0. needs fix
1003      - global_ocean_ebm: adjoint still needs fix (TLM ok)
1004      - global_ocean.90x40x15: extended GMREDI_OPTIONS.h
1005      - carbon: * remove tr1-related adjoint verification
1006                * add ptracer as control variable
1007    o remove all tr1-related code (ALLOW_PASSIVE_TRACER)
1008      (adjoint stuff still has some tr1 'names', but all use ptracer arrays)
1009    
1010    checkpoint54f_post
1011    o in verification/carbin/ remove experiment related to
1012      ALLOW_PASSIVE_TRACER (array tr1 etc)
1013      code_ad/ input_ad/ results_ad
1014    
1015    o add two new packages
1016      - ggl90, TKE-model of Gaspar et al. (1990), Blanke+Delecluse (1993)
1017        + subject to optimization (memory)
1018      - opps, OPPS (ocean penetrative plume scheme) of Paluszkiewicz+Romea (1997)
1019        + subject to reordering (many GOTOs in the original code)
1020        + so far opps is called for every (i,j) point, and then operates in
1021          the vertical; one may want to reorder the scheme in order operate in
1022          horizontal slabs at the cost of (a lot of) memory, at least ten new 3D
1023          fields)
1024    o overhaul of IO so that we now have flags for MDSIO and/or MNC
1025      - all verification tests compile and run with linux_ia32_g77
1026      - defaults are compatible with current input files--nothing
1027        should change if you were not previously using MNC
1028      - MNC output has been added in numerous places (eg. timeave)
1029        but there are still a few writes not yet do-able with MNC
1030        (this is in progress)
1031      - flags now allow for either/or/both use of MDSIO and MNC and
1032        documentation will soon follow
1033      - numerous small formatting cleanups for ProTeX
1034    o add version info (via BUILD_INFO.h) to MNC and stdout
1035    
1036    checkpoint54e_post
1037    o add two new packages
1038      - pp81 (Packanowski and Philander, 1981), Richardson number and
1039        stratification dependent mixing
1040      - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
1041      - these scheme operate in a similar manner as KPP (without ghat, of
1042        course), however there is only one diffusivity that is used for both
1043        temperature and salinity (and passive tracers)ç
1044    o add offline package
1045    o add "verification/dic_example" which contains a dic-gchem-ptracer setup
1046      provided by Stephanie Dutkiewicz
1047    o genmake2: add ability to search for C compilers and cleanup test output
1048      - fixes recent SX-6 problems and should help with others (eg. HP-UX)
1049    
1050    checkpoint54d_post
1051    o data.diagnostics: if levels() is unspecified then ALL levels are diagnosed
1052    o bug fix in pkg/cal/cal_addtime.F for TheCalendar='model' day count is wrong,
1053      leading to additional shift by 5 days each year of integration
1054       (i.e. leading to considerable offset over the years)
1055    o update global_ocean.cs32x15/thsice: use z* + RealFW + staggerTimeStep
1056    o start with no AB and no initial filtering (staggerTimeStep):
1057      change the results of test-exp: hs94.128x64x5, hs94.1x64x5 & hs94.cs-32x32x5
1058    o move ocean specific S/R calls from forward_step.F to do_oceanic_phys.F
1059      (external loading & cpl import/export stay in forward_step.F)
1060    o update coupling interface to work with new staggerTimeStep
1061    o change MDSIO ptracers_pickup.
1062    o fix a bug in Flux deriv. vs Ts (pkg/aim_v23/phy_suflux_sice.F);
1063    o genmake2 fixes so netcdf now works on halem ("osf1_alpha_*")
1064    o bugs fixed in kpp_calc.F (ustarY) and external_forcing.F (Qsw & Partial-cell)
1065    
1066    checkpoint54c_post
1067    o replace surfaceTendency U,V,S,T,Tice,Ptr by surfaceForcing U,V,S,T,Tice,Ptr
1068      this affects (truncation error) output.txt of test-exp:
1069       global_ocean_ebm,_pressure,.cs32x15(&.thsice), lab_sea & natl_box
1070    o pkg/kpp: replace pMask by maskC to reduce memory size (one 3.D array)
1071    o change Qnet to always be the net heat flux, (+upward).
1072      affects (truncation error) output of natl_box exp.: updated
1073    o define the max number of passive tracers in PTRACERS_SIZE.h
1074    o start to test mnc routinely in exp0
1075    o add sea-ice loading (sIceLoad) as a new forcing field.
1076    
1077    checkpoint54b_post
1078    o add testreport "-j JOBS" option for parallel builds (tested and pretty
1079       impressive on Altix and Opteron systems)
1080    o diagnostics can now write NetCDF files through the mnc package
1081    o staggerTimeStep & NLFS: update pkg aim_v23 & thsice; update aim.5l_cs output
1082    o staggerTimeStep & multi-Dim-Advec: Exch(U,V) added
1083    o staggerTimeStep & NLFS: rescale T & S surface tendencies.
1084      affects (truncation error) output of lab_sea & natl_box exp.: updated
1085    o change pickup _cd & _ptracers (old pickup restart: usePickupBeforeC54=.T.)
1086    
1087    checkpoint54a_post
1088    o re-write staggerTimeStep: step fwd U,V and then T,S (reverse the order).
1089    o change pickup file (to restart from old pickup, set usePickupBeforeC54=.T.)
1090    o get a perfect restart when using RealFreshWaterFlux + NLFS (not finished)
1091    o update output of all exp. that use staggerTimeStep (except hs94.cs & 2D)
1092      + internal_wave (shift in writing cg2d_ini_res)
1093    checkpoint54a_pre
1094    
1095    o require forcing_In_AB=.FALSE. and remove surfaceTendencyTice from pkg/seaice
1096      - modified verification/lab_sea and natl_box_adjoint accordingly
1097    
1098    checkpoint54
1099    checkpoint53g_post
1100    o prepare splitting of thermodynamics: store convect.counter in common block
1101    o store d.etaH/dt (instead of Div.hV) in common ; affects (truncation error)
1102      output of: global_ocean.cs32x15, global_ocean_pressure & internal_wave
1103    o cnh's modifs to gad_advection.F for cube-sphere multi-dim advection
1104    o new parameter "nShapS": allow to treat differently S from T (nShapT)
1105    o separate Vert.Advec.Scheme from horizontal Advec.Scheme (T & S)
1106    o restore adjointability
1107    
1108    checkpoint53f_post
1109    o modifications that affect AIM experiment results (update output.txt):
1110      - no advection of S at top interface Nr (pkg/generic_advdiff)
1111      - air surf. temp: use lower value between T0 & T1 (phy_suflux_prep.F)
1112    o AIM pkg:
1113      - include stability function into surf.Flux derivative relative to Tsurf
1114      - calculate clear-sky radiation & surface temp. change (for diagnostics)
1115    
1116    checkpoint53e_post
1117    o merged cylindrical coord configuration
1118    o added rotating_tank experiment
1119    checkpoint53e_pre
1120    
1121    checkpoint53d_post
1122    o faulks upgraded: re-generate output.txt that have changed:
1123       global_ocean.cs32x15(.thsice), global_ocean_ebm, lab_sea, natl_box
1124    o Added Bryan and Lewis, 1979, vertical diffusivity profile
1125    o pkg/land: fix problem in land_impl_temp.F when Ts arround freezing.
1126    o added Sadourny discretization of Coriolis
1127      - moved some PARAMETERS from mom_*_coriolis.F to PARAMS.h
1128      - re-enabled use of omega3 (useAbsVorticity)
1129    o added Leith (Phys. Fluids, 1968, 10, 1409-1416) variable viscosity for
1130      vector-invariant equations
1131      - note: does *NOT* yet use same variable visc. for no-slip BC's.
1132    o recoded the lateral boundary conditions for non-hydrostatic w, this time
1133      hopefully without new bugs
1134      - still to do: biharmonic friction for non-hydrostatic w
1135    o bug fix for mom_*_sidedrag: rA -> rAs,rAw
1136    o regenerated output for global_ocean_ebm (using -ieee)
1137    o fix mom_common/mom_*_sidedrag.F to recover numeric output prior to creation
1138      of mom_common/
1139      - simple re-arrangement of instructions within computing loop
1140    checkpoint53d_pre
1141    
1142    checkpoint53c_post
1143    o new version of coupler for AIM+thSIce and Ocean models
1144     - new fields (SSS,h_MixLayer ...) are exchanged through the coupler
1145     - land: change Evaporation of snow
1146     - aim with thSIce: fix bug in snow-precip.
1147    o changes to calc_gw.F
1148     - bug fix for w^2 term near the bottom boundary
1149     - (hopefully) improve the lateral slip boundary condtions for use with
1150        partial/looped cells
1151      - because the bug fix changes two verification experiments anyway (exp5
1152        and plume on slope), change the lateral boundary condition from half slip
1153        to the value of no_slip_sides
1154    o ebm package wasnt quite up to the parallel task. Fixed that.
1155    o Adjoint of EBM package + verification
1156      * TLM OK
1157      * ADM not sufficient accuracy yet (needs further testing)
1158    
1159    checkpoint53b_post
1160    o Commiting new energy balance model to repository
1161      * package is pkg/ebm
1162      * verif. is verification/global_ocean_ebm
1163      * references are in ebm_driver.F
1164    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1165    C        Global thermohaline circulation. Part I:
1166    C        Sensitivity to atmospheric moisture transport.
1167    C        J. Climate 12(1), 71-82
1168    C      * X. Wang, P. Stone and J. Marotzke, 1999:
1169    C        Global thermohaline circulation. Part II:
1170    C        Sensitivity with interactive transport.
1171    C        J. Climate 12(1), 83-91
1172    C      * M. Nakamura, P. Stone and J. Marotzke, 1994:
1173    C        Destabilization of the thermohaline circulation
1174    C        by atmospheric eddy transports.
1175    C        J. Climate 7(12), 1870-1882
1176    o Will need long integration testing.
1177    checkpoint53b_pre
1178    
1179    o created pkg/mom_common in preparation for variable viscosity code
1180    o renamed and split ini_mnc_io
1181    o pkg/land: only liquid water can diffuse or run-off
1182    o AIM using land: soil wetness availability account for snow
1183    o added printMapIncludesZeros to EEPARMS namelist
1184    
1185    checkpoint53a_post
1186    o restore TAMC compatiility for exf_constants.h
1187      (no usage of _d in .h)
1188    o Additional storing in KPP in an attempt to fix
1189      TAMC problem with adjoint of KPP code.
1190      (no success...)
1191      Identical code works fine with TAF.
1192    o Fixed verification/natl_box_adjoint experiments.
1193      Initial conditions for Experiments 4 and 5 are now
1194      set to "SEAICE_initialHEFF=0", which is more reasonable,
1195      and hence gives results closer to that of Experiment 2.
1196      Experiment 6 requires "SEAICE_initialHEFF=1" and is working once again.
1197    
1198    checkpoint53
1199    o stable checkpoint with up to date adjoint
1200      TLM tests only run for 1st grdchk at the moment. Its unclear if
1201      this is a code problem or a problem with resetting code for g_
1202      variables that is being autogenerated wrong.
1203      Otherwise:
1204       o code is testing well on Linux (P4 and AMD), SGI Alitix and Irix.
1205       o IBM and HPQ tests could not be run because NCAR (IBM) and NCCS (HPQ)
1206         are both still in chaos following their security messes.
1207    
1208    checkpoint52n_post
1209    o various build (mostly genmake2) changes including:
1210      - ability to build/run more easily within Cygwin and MacOS X
1211      - more complicated Makefiles with a stronger dependence on Gnu Make
1212    o pkg/seaice modifications
1213      - added SEAICE_deltaTtherm and SEAICE_deltaTdyn in order to reduce cost
1214        of pkg/seaice.  For time being, SEAICE_deltaTtherm = deltaTtracer
1215        and SEAICE_deltaTdyn must be integer multiple of SEAICE_deltaTtherm
1216      - changed proxy for geostrophic velocity and updated
1217        verification/lab_sea/results/* accordingly
1218      - removed ADI dynamic solver from pkg/seaice
1219      - replaced all occurrences of 1/CSTICE or 1/CSUICE
1220        they caused a segmentation fault under certain circumstances
1221      - removed unused field WATR
1222    o bug fix in exf-package:
1223      -  u/vwind are defined at tracer/pressure points. The values of u/vwindmask
1224         now reflect that.
1225    o small fixes in the cal-package:
1226      - set reference date to first of January for the 'model'-calendar
1227      - failing of cal_CheckDate in cal_FullDate now actually results in a
1228        warning
1229    o small modifications in exf-package to increase flexibility:
1230      - change climtempfreeze from a constant to a runtime parameter that
1231        is specified in data.exf_clim (default = -1.9)
1232      - introduce runtime parameter windstressmax (default = 2.0) that is
1233        specified in data.exf
1234    o fix in pkg/thsice:
1235      - update Evap (Tsf changes) to be consistent with Latent heat flux
1236      - maintain snow precipitation unchanged (even if Tsf >=0).
1237     both affect global_ocean.cs32x15/(.thsice) results ; update output.txt.thsice
1238    
1239    checkpoint52m_post
1240    o commented out call to cal_GetMonthsRec in swfrac.F and added some comments;
1241      this does not change any of the results, because myIter=0 in swfrac always
1242      lead to jwtype=2 (the default anyway), but the call makes little sense
1243      as a default
1244    o no SHORTWAVE HEATING lost at the bottom; affects lab_sea output; updated
1245    o re-work pkg/thsice interface with ocean & bulk_force pkg to allow
1246      atmospheric model (AIM) to use it ; add a "slab ocean" component.
1247    o pkg/aim_v23 : add interface to call thermodynamic sea-ice (thsice)
1248    o update global_ocean.cs32x15/output (.thsice) after changes in pkg/thsice
1249    o extending useSingleCpuIO option to work with new exch2 I/O format
1250      - old-style, missing-tile I/O is still accessible by defining CPP
1251        option MISSING_TILE_IO in pkg/mdsio/MDSIO_OPTIONS.h
1252    o monitor package can write to NetCDF files and/or STDOUT
1253    o fix re-definition bug in MNC_GRID_INIT_ALL()
1254    o doc/api_reference added
1255      - a framework for building an API Reference Manual using all
1256        the "protex" comments embedded in the code
1257      - see pkg/generic_advdiff, pkg/mnc for examples
1258    o MNC:
1259      - make myThid the last argument for all subroutines
1260      - new default for the grid files: NO halos
1261      - add useMNC and other run-time flags
1262      - separate per-file-group handling of the unlimited dimension
1263      - early initialization of MNC w/ flags read at the eeboot stage
1264        and lookup tables set in initialize_fixed
1265      - write all MNC output to a freshly-created directory
1266    o thermodynamics sea-ice (thsice) is now tested with testreport.
1267    o test exp. advect_cs: use the standard cs32 grid ; update output.
1268    o Added functionality to grdchk:
1269      pick global i,j,k position (or nearest wet) where to perform check.
1270    
1271    checkpoint52l_post
1272    o new land formulation:
1273      a) use ground enthalpy as prognostic variable to ensure exact
1274         energy conservation.
1275      b) account for water temperature and for latent heat of freezing
1276         in all processes (rain, run-off, ground storage)
1277      c) compute surface and ground temperature implicitly.
1278    o aim_v23 modification for new land model:
1279      a) Treat separately land / ocean / sea-ice surface fluxes
1280         to allow implicit computation of land & sea-ice surface temp.
1281      b) add snow precipitation.
1282    checkpoint52l_pre
1283    
1284    o fix problem (when 1 tile is empty) in min/max monitor.
1285    o fix bug in timeAve (u,vZetatave in common block)
1286    o no restoring terms under ice for pkg/seaice
1287    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
1288    o bug fix for pkg/seaice pickups
1289    o change MNC call locations and add coordinate attributes
1290    o mask vorticity at the corner ; affects global_ocean.cs output
1291    o fix ini_curvilinear_grid ; test CS experiments with mpi
1292    o aim.5l_cs: modify sea-ice fraction input file ; update output
1293    o exf: Adding simple range check routine for exf fields after read
1294    
1295    checkpoint52k_post
1296    o removed top-level directory "diags"
1297      - we migrated these functions to pkg/timeave a long time ago
1298    o fixed bug introduced in pkg/monitor
1299    o accuracy ctrlprec = 32 insuffient for gradient checks using
1300      averaged fields (I/O via cost_averages)
1301      -> use ctrl.h in active_file*.F to control I/O precision.
1302    o paramter list of CALL ADTHE_MAIN_LOOP
1303    o added initial do_the_model_io to ecco
1304    o set all ...Freq to zero after cost_final
1305      taveFreq, dumpFreq, pChkptFreq
1306    o MAIN and ECCO differentiability restored
1307    
1308    checkpoint52j_post
1309    o fix nchklev in tamc.h for global_ocean...
1310    o Bringing flow and store directives up-to-date
1311    o Really weird thing!
1312      call do_the_model_io from the_main_loop with parameters
1313      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
1314      TAF places a faulty re-call of initialise_varia
1315      after cost_final call which should not be there!
1316    checkpoint52j_pre
1317    
1318    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
1319      error messages
1320    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
1321    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
1322      debug output
1323    o modfied mdsio_writefield.F to handle non-global files under exch2
1324    o update AIM Cubed-Sphere exp (aim.5l_cs):
1325      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
1326    o update AIM Equatorial Channel exp:
1327      use standard aim_v23 pkg and change the SST fields to be more realistic.
1328    o globalFile now works with exch2
1329    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
1330      mon_vort3.F to make exch2 friendly with >1 tile per cube face
1331    o limit timeave output for hi-res integrations
1332    
1333    checkpoint52i_post
1334    o removed CPP_EEOPTIONS.h from verification/*/code
1335    o updated the tiling for global_ocean_pressure
1336    checkpoint52i_pre
1337    
1338    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
1339      the old pkg/aim).
1340    
1341    checkpoint52h_pre
1342    o shortened offending lines in exch2_send_rx?.template
1343    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
1344    o genmake2: add build & execute test for NetCDF code
1345    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
1346      old grid files, moved CPP_EEMACROS.h to pkg/exch2
1347    o added useSingleCPUIO flag to monitor.F and mon_out.F
1348    o added temporary hack for sea-ice dynamics on the cube:
1349      metric terms are ignored and it is assumed that
1350      there is no sea-ice on cube faces 1, 2, 4, and 5.
1351    
1352    checkpoint52f_post
1353    o added exch2 cube routines to pkg/exch2
1354    o modified hs94.cs-32x32x5 to use it
1355    o added new grid files to hs94.cs-32x32x5
1356    checkpoint52f_pre
1357    
1358    checkpoint52e_post
1359    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
1360      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
1361    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
1362      to work with implicit vertical advection and AB ;
1363    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
1364    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
1365     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
1366    checkpoint52e_pre
1367    
1368    o fix bug in impldiff when Nr=1 or Nr=2.
1369    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
1370    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
1371    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
1372      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
1373    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
1374    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
1375    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
1376    
1377    checkpoint52d_post
1378    o re-tiled many expts to allow comparison in multi-processor mode
1379      - updated output accordingly
1380      - changed hs94.128x64x5 to use intial T from file rather than use the
1381        random number generator
1382    o add infrastructure in model routines for fizhi and gridalt packages
1383    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
1384    o changes to permit hi-res, cubed-sphere, configuration
1385      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
1386      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
1387      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
1388        of surface winds for the cube
1389      (A verification experiment, based on global_ocean.cs32x15, but with
1390       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
1391       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
1392       complete with example surface forcing files and matlab scripts to look
1393       at the output and compare it with that of global_ocean.cs32x15.)
1394    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
1395       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
1396       to conform to the common rule.
1397    o check-in the first version of the coupler + interfaces for multi-components
1398       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
1399       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
1400       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
1401       - ocean and atmos. share the same horizontal grid (no interpolation).
1402       - exchanges between component and coupler is done in forward_step
1403    o new verification experiment, cpl_aim+ocn:
1404       coupled ocean - AIM atmosphere on cs32 grid.
1405    
1406    checkpoint52d_pre
1407    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
1408    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
1409    
1410    checkpoint52c_post
1411    o Fixing OPTIONS files for use of exf:
1412      - ALLOW_ECCO not needed
1413      - ECCO_CPPOPTIONS.h should not be included from
1414        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
1415        as has been the case in the past
1416      - All cal/exf related options are currently set in
1417        single header file. Should remain so until we
1418        agree on a consistent new policy.
1419    o Removed all CPP options for cal package.
1420      cal has no more CPP options.
1421    o modified STOREs in GAD_ADVECTION
1422    o corrected key comp. for passkey
1423    
1424    checkpoint52b_post
1425    o new version: "thsice" of thermodynamic sea-ice pkg:
1426     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
1427     - modify fluxes but do not change theta directly;
1428     - light cleaning of bulk_force pkg (still needed with thsice).
1429     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
1430       + output_thsice.txt to test thsice & bulk_force pkgs.
1431    o put back grid & coriolis monitor output.
1432    checkpoint52b_pre
1433    
1434    o call "do_the_model_io" at the beginning (=> dump initial state)
1435    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
1436    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
1437      (need info on NUMBER_OF_PTRACERS)
1438    o missing PTRACERS headers in some routines
1439    o default tamc.h in pkg/autodiff supposed to crash
1440      to ensure proper customization
1441    
1442    checkpoint52a_post
1443    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
1444      - moved surfaceTendencyTice from pkg/seaice to main code
1445      - subroutine FREEZE_SURFACE now limits only surface temperature
1446        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
1447        => new output.txt for global_ocean.cs32x15 & global_with_exf
1448      - keep the old version of FREEZE for backward compatibility;
1449        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
1450      - corresponding modifs for TAF directives
1451    o added surface flux output variables to TIMEAVE_STATVARS
1452    o time-averaged output for pkg/ptracers
1453    o fix problem with ECCO-related divided adjoint
1454      snapshot file was missing some ad-variables,
1455      but no warning issued by TAF
1456    
1457    checkpoint52a_pre
1458    o some bug fixes for #undef REAL4_IS_SLOW
1459    
1460    checkpoint52 = ecco_c52_e35
1461    o after testing adjoints of checkpoint51u_post
1462    
1463    checkpoint51u_post
1464    o this is the post-merge tag of the ecco-branch
1465      (needs another clean checkout and re-testing)
1466    o various natl_box_adjoint configs and results
1467      but no input fields
1468    o obcs adjoint not yet merged!
1469    o adding ECCO global 1x1 and 2x2 degree configs
1470    o updated/extended some store directives for seaice
1471    o pkg/ecco now containes ecco-specific part of cost function
1472    o top level routines the_main_loop, forward_step
1473      supersede those in model/src/
1474      previous input data.cost now in data.ecco
1475      (new namelist ecco_cost_nml)
1476    o in ctrl/ cleaned some cross-dependencies and updated CPP options
1477    
1478    checkpoint51t_post
1479    o this is the pre-merge tag of the ecco-branch
1480    
1481    checkpoint51s_post
1482    o cleanup: removed various obsolete #define-s
1483    o pkg/grdchk
1484      - renamed 'ph-grd 3' to 'grad-res'
1485      - merged from ecco-branch
1486        (remaining bug fixes for obcs gradient checks)
1487      - additional high-precision output for testreport
1488        (grep for 'precision_grdchk_result')
1489    
1490    checkpoint51r_post
1491    o cleaned up or removed CPP_OPTIONS.h files
1492    o updated results for some of the tests to reflect the new
1493      optfiles (-ieee: -O0 instead of -O3)
1494    
1495    checkpoint51q_post
1496    o cd_code:
1497      - moved cd_scheme.F -> cd_code_scheme.F
1498      - separate read_checkpoint from cd_code_ini_vars.F
1499      - separated cd_code part from write_checkpoint
1500      - updated AD_SOURCE, generated .flow
1501      - added CD_CODE_VARS.h to the_main_loop
1502      - Moving cd_code specific store dir.s to pkg/cd_code
1503    o ctrl package totally restructured
1504      - pack/unpack now optional and decoupled from
1505        xx_/adxx_ I/O
1506      - ctrl_pack/unpack cleaned
1507        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
1508      - confined inclusion of AD_CONFIG.h to where necessary.
1509    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
1510    
1511    checkpoint51p_post
1512    o create initial cd_code package
1513      - WARNING: the initialization of fields within packages
1514        is broken because INI_FIELDS (where READ_CHECKPOINT is
1515        called) is called *before* PACKAGES_INIT_VARIABLES.
1516        This seems to be backwards since
1517        1) its important to initially zero the entire field including
1518           the "halo" region
1519        2) zeroing needs to be done *before* reading pickup info
1520           and the pickup call might or might not happen in any
1521           particular run
1522      - this needs an overhaul for R2
1523    o cleanup verification/*/code/GMREDI_OPTIONS.h
1524    o cleanup testreport
1525    
1526    checkpoint51o_post
1527    o bringing AD-related verif's up to date with genmake2
1528      - carbon/
1529      - global_ocean.90x40x15/
1530      - hs.94.1x64x5/
1531      - (front_relax/ )
1532    o (more) consistent directory structure for AD-related verif.'s
1533    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
1534    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
1535    o bug fix in find_alpha.F for MDJWF:
1536      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
1537        change rho -> rho-rhoConst
1538      - replace call find_rho to find_rhonum
1539    o initialisation of rFlx extended to full array (required by TAF)
1540      and shifted to thermodynamics
1541    o removed PTRACERS.h in ptracers routine
1542    o added surfacetendencyPtr to S/R parameter list pracers_forcing
1543    o Correcting initialisations for fVerU, fVerV.
1544    o helping TAF to recognize dependency on kUp for
1545      fVerU, fVerV
1546    o Replacing delZ by delR in pkg/ctrl/
1547    checkpoint51o_pre
1548    
1549    o undid all of cp51 pending some cleanups and discussion
1550    o added the [#include "AD_CONFIG.h"] statement to all files that need
1551       it for adjoint/tl #defines
1552     o re-worked the build logic in genmake2 to support AD_CONFIG.h
1553     o removed tools/genmake since it no longer works
1554    
1555    checkpoint51n_post
1556    o modifications to make FREEZE flux visible to pkg/kpp
1557      - moved surfaceTendencyTice from pkg/seaice to main code
1558      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
1559      - subroutine FREEZE now limits only surface temperature
1560        (this means new output.txt for global_ocean.90x40x15,
1561         global_ocean.cs32x15, and global_with_exf)
1562    o added surface flux output variables to TIMEAVE_STATVARS
1563    
1564    checkpoint51n_pre
1565    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
1566    o added [#include "AD_CONFIG.h"] to all files that use the following
1567      defines:
1568      - ALLOW_ADJOINT_RUN
1569      - ALLOW_TANGENTLINEAR_RUN
1570      - ALLOW_ECCO_OPTIMIZATION
1571    
1572    checkpoint51m_post
1573    o incorporating changes to get TAMC/TAF working in genmake2
1574      - added new TAMC/TAF targets to the Makefile
1575      - various cleanups related to package handling
1576      - these changes should have no impact on the forward model
1577    
1578    checkpoint51l_post
1579    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
1580     - faster algorithm for cal_addtime.F
1581     - higher precision arithmetic, where needed
1582     - pkg/exf *startdate variables changed from calendar date to
1583       model integration time
1584    
1585    checkpoint51l_pre
1586    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
1587    o enable to apply restoring on S & T only in a latitude band.
1588    o update output (external_forcing_surf modif. change truncation errors)
1589       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
1590    
1591    checkpoint51k_post
1592    o change default to: useNHMTerms=.FALSE.
1593     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
1594       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
1595     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
1596        exp1, ideal_2D_oce
1597     - change data file of oceanic exp (leave the results unchanged for now)
1598       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
1599    o set gravitySign automatically according to the vertical coordinate used
1600      (and change sign: back to "logical" value: +1 when R increases downward)
1601    o added an include barrier to the default CPP_OPTIONS.h and
1602      removed the #include "PACKAGES_CONFIG.h" from it
1603    o fix a bug in mom_fluxform (from chk51j_post)
1604    
1605    checkpoint51j_post
1606    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
1607    o adjusted some flow directives (dynamics, thermodynamics)
1608    o added cubed-sphere case to test cost function
1609    o heckpoint_lev?_directives.h now include
1610      pkg-specific directives, whenever those are enabled.
1611    o Moving pkg-specific flow directives to corresponding pkg
1612      Moving pkg-specific differentiation list to corresponding pkg
1613      Moving pkg-specific checkpoint-lev storing to corresponding pkg
1614      ---> conventions are
1615           - pkg_ad.flow
1616           - pkg_ad_diff.list
1617           - pkg_ad_check_lev?_dir.h
1618    
1619    checkpoint51i_post
1620    o merge of the branch-genmake2
1621      - knowingly breaks the older genmake
1622      - automatic generation of all ALLOW_${PKG_NAME} defines
1623      - new testreport supersedes older testscript
1624    o large number of package inclusion and header cleanups
1625    checkpoint51i_pre
1626    
1627    o new output for adjoin of global ocean vector invariant
1628    o fix for checkpoint of thermodynamic seaice and bulk_force
1629    o Steph gchem various cleanups
1630    
1631    checkpoint 51h_pre
1632    o fixed some single quotes
1633    o modify gchem pkg to be more versatile
1634    o modifications to clean up dic pkg
1635    o add pkg/cfc
1636    
1637    checkpoint51g_post
1638    o provide links for ARPACK and ADM*TLM
1639    o start removing verification/vero/
1640    o update AD-related stuff
1641      (in particular some IF-statements in model/src/ routines)
1642    o adding to verification/global_ocean.90x40x15/ adjoint of
1643      vector invariant setup
1644    
1645    checkpoint51f_post
1646    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
1647    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
1648      of tracer Green's fucntions for ocean inversion project.
1649    
1650    checkpoint51f_pre
1651    o Added on-the-fly spatial interpolation capability
1652        "USE_EXF_INTERPOLATION" to pkg/exf.
1653      - This is a temporary Cartesian-grid hack until
1654        the super-duper ESMF coupler becomes available.
1655      - See verification/global_with_exf/README for usage example.
1656      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
1657        flags and modified pkg/seaice accordingly.
1658    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
1659        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
1660        non-local transport term.
1661    
1662    checkpoint51e_post
1663    o pkg/mom_vecinv:
1664      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
1665      - add time-ave diagnostic of vorticity advection.
1666    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
1667    o atmospheric geopotential: - include water vapor effect;
1668                                - use p^kappa in p* scaling.
1669    o land pkg: read initial state from files.
1670    o AIM : add stratospheric drag in the upper level
1671    
1672    checkpoint51d_post
1673    o change function ILNBLNK (=> last non-blank char.) to return zero
1674      (instead of the string length) when the string. char is empty
1675    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
1676    o modif's to restore TAMC compatibility
1677      - avoid "_d" constructs in PARAMETER declarations
1678      - avoid interrupting lines by comment lines
1679    o Use cluster local disks for purely local I/O
1680      vs. globally visible disks needed for ctrl stuff
1681      (merged from ecco-branch)
1682      - new active_file_loc... and mdsio_..._loc routines
1683      - affected packages: autodiff, ctrl, grdchk, mdsio
1684    
1685    checkpoint51c_post
1686    o introducing integer flag debugLevel
1687      - debLevZero: suppress all output
1688      - debLevA: standard
1689      - debLevB: equivalent to current debugMode=.TRUE.
1690    o introducing pathname variable mdsioLocalDir for mdsio
1691      that can be specified at runtime
1692      (relevant for cluster I/O to local disk)
1693    `
1694    >>>checkpoint51b_post
1695    adjoint of ptracers
1696    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
1697    o extended state in checkpoint_lev?, etc.
1698    o alternative ctrl/cost with tr1 or ptracer
1699    o new comlev1_bibj_ptracers
1700    o new ptracers.flow
1701    o made ptracers_forcing same as external_forcing_s
1702    o added verification for adjoint with ptracers
1703      - adm. grdchk fail so far
1704      - tlm. grdchk OK
1705      - checked tapelev/comlev recomputations: OK
1706    <<<checkpoint51b_pre
1707    
1708    checkpoint51a_post
1709    o added code for biogeochemistry package
1710      - new pkgs: dic, gchem
1711      - new subroutine in ptracers
1712    o modify code for biogeo packages
1713      - in model/src and pkg/ptracers
1714    
1715    checkpoint51
1716    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
1717      - autodiff, ctrl, exf, grdchk, seaice
1718      kept separate packages
1719      - cost, ecco, obcs
1720    o updating verification/internal_wave, verification/lab_sea
1721      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
1722    
1723    checkpoint50i_post
1724    o Preparing next differentiable checkpoint and sync
1725      of MAIN vs. ecco-branch
1726      - 1st step: this one is differentiable
1727      - 2nd step: next(! not this) checkpoint will have updated packages
1728                  from ecco-branch)
1729    
1730    checkpoint50h_post
1731    o new package "land": provide surface BC for AIM.
1732    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
1733    o AIM: use true log-P extrapolation for near surface temp (= as in
1734        F.Molteni paper) ; update aim.5l_cs output.
1735    o New variable in PARM03 for more flexible pickups
1736    o somewhat cleaned package initialisation sequence for
1737      ctrl/ cost/ ecco/ in packages_... routines
1738    
1739    checkpoint50g_post
1740    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
1741      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
1742      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
1743        made the default because of faster convergence than ADI
1744    
1745    checkpoint50f_post
1746    o exf totally restructured
1747      - replaced all exf_set_ routines by one generic exf_set_gen.F
1748        and made sure it's still differentiable
1749      - split exf_getffields.F into new exf_bulkformulae.F
1750      - exf_inscal_/exf_outscal_ suffixes consistent with field names
1751      - updated adjoint/makefile and relevant verif. accordingly
1752    
1753    checkpoint50f_pre
1754     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
1755          + change Evap over land. (update aim.5l_cs output)
1756     o added missing .cvsignores and made uniform across expts
1757     o changed configuration of tidal_basin_2d expt
1758     o added pkg/debug functions for tracing code in fatal crashes
1759     o tidied pkg/monitor to use MONITOR_OPTIONS.h
1760     o new fn in pkg/monitor to stop model if solution grows too big
1761     o removed lots of single quotes from comments
1762    
1763    checkpoint50e_post
1764    o make KPP work with PTRACERS
1765     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
1766       nearly a copy of kpp_transport_s
1767     - there is no analogue to SurfaceTendencyS, so I have to use
1768       gPtr(of the surface layer) instead
1769    o add a new platform SunFire+mpi (SunFire 15000) to genmake
1770    checkpoint50e_pre
1771    
1772    checkpoint50d_post
1773    o change kpp output from multiple-record state files to single-record state
1774      files analogous to write_state.F
1775    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
1776      analogous to the cg2d-related output.
1777    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
1778      so that writing to internal file fn (with length 512) fails.
1779    checkpoint50d_pre
1780    
1781    checkpoint50c_post
1782    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
1783    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
1784    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
1785    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
1786    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
1787    
1788    checkpoint50c_pre
1789    Merging from release1_p13:
1790    o bug fix for pkg/seaice dynamic solver
1791    o Added SEAICE_initialHEFF to pkg/seaice
1792    
1793    checkpoint50b_post
1794    o store u*,v* in gU,V instead of in guNm1,gvNm1
1795    o in order to put the momForcing out of the Adams-Bashforth:
1796      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
1797      to timestep.F
1798    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
1799    o re-generate output for highly sensitive test-exp:
1800       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
1801    
1802    checkpoint50b_pre
1803    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
1804    o corrected CPP option mismatch in exf_Bulk... functions for case
1805      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
1806    
1807  checkpoint50a_post  checkpoint50a_post
1808  o Bug fix for merging between c50 and KPP.  o Bug fix for merging between c50 and KPP.
1809    ikey was passed from thermodynamics to kpp_calc via    ikey was passed from thermodynamics to kpp_calc via

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