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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.637 by mlosch, Tue Mar 21 13:00:33 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: add an EVP solver following Hunke and Dukowicz (1997) and the
8      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
9      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
10      with SEAICE_CGRID defined.
11    o move calendarDumps from "data" to "data.cal" and clean-up the code
12      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
13    o add useEXF & useCAL flags (for now, set in hard-coded way)
14    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
15      (were missing in NH mode, and wrong in quasihydrostatic mode).
16      waiting for Chris updated version of calc_gw to add those CALLs.
17    o fix bug in quasihydrostatic S/R ;
18      add a test for this option: global_ocean.90x40x15.qshyd
19    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
20      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
21    o add on/off flag useOffLine for package OFFLINE
22    o seaice:
23      - modify advection so that it works also on the C-grid
24      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
25        problem in multi-tile runs with C-grid
26      - add flags for clipping ice velocities and/or masking solver forcing
27      - fix drag (ocean on ice) formulation and a bug that caused noise in the
28        C-grid solver
29      - added a few comments to seaice_diffusion.F
30      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
31        are now exclusive)
32      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
33        required re-ordering the code a little:
34       + make DAIRN global variable (defined in SEAICE)
35       + move computation of the viscosities eta and zeta into a new separate
36         routine (because I need to recompute them in seaice_ocean_stress.F)
37    
38    checkpoint58b_post
39    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
40      update output.txt of exp. aim.5l_cs.thSI
41    o various mnc cleanups and improvements:
42      + shrink lookup tables by factor of ~4
43      + better error reporting when running out of lookup space
44      + able to handle longer path/file names (up to 500 chars)
45    o adjoint:
46      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
47      - TBD: "hidden" mom_vecinv recomp. in dynamics
48    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
49     (allow to differentiate between forcing components using new integer flags:
50      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
51     and add new flag to put Dissipation tendency out of Adams-Bashforth.
52    o ecco
53      - enable trend removal from SSH anomaly obs.
54    o adjoint
55      - a fix for PmEpR when #undef EXACT_CONSERV
56      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
57      - try to fix "hidden" recomp. in forward_step for NLFS
58        (NLFS seems broken sometimes after I checked it in)
59    o seaice:
60     - add c-grid version of the dynamic solver:
61       + three new routines that are the c-grid substitute lsr, dynsolver
62         and ostres
63       + put a few fields that were local to dynsolver into global common
64         blocks, so that I can move the computation of stresses etc into
65         seaice_lsr (saves coding but may break the adjoint).
66     - replace more hardwired parameters by runtime parameters
67     - add ice masks that mask the rhs of the implicit solvers where there
68       is no ice (commented out in seaice_dynsolver, because i am not sure
69       if this works properly), eventually this should replace the clipping
70       of ice velocities in seaice_dynsolver to +/-40cm/s.
71    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
72      include it only where its needed
73    o move balancing of fluxes before the call of external_forcing_surf
74    o seaice:
75      - correct units of turning angles (now they are really in degrees)
76      - move computation of GWATX/Y out of main routine into dynsolver
77      - initialize GWATX/Y in seaice_init
78    o Apply mask on Fresh-Water flux (needed for SSH forcing).
79      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
80    o seaice: add runtime flags for turning angles (default to zero)
81    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
82      and trend from exf forcing and ctrl control adjustments
83    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
84      (since checkpoint57x_post)
85    o change the default rotation period to 86164.s = the Earth rotation
86    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
87      and based on a reference stratification. Tested within hs94.cs-32x32x5.
88    o seaice advection: add code for choosing between the default (2nd order
89      central differences) and multiDim advection schemes provided by
90      pkg/generic_advdiff
91    o seaice:
92      - removed all references to SEAICE_GRID.h fields from
93        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
94        (cubed-sphere configuration will change a little)
95      - grid computations in seaice_init are obsolete now.
96      - cleaned up code a little so that is easier to read (hopefully).
97      - added new (better?) discretizations of default advection and diffusion
98        (turn on with SEAICEuseFluxForm)
99      - replace 1 in 3d global fields by kSurface in growth.F
100      
101    checkpoint58a_post
102    o seaice:
103      - bug fix in advect.F
104    o shelfice:
105      - separate shelfice load anomaly from pload (breaks with time
106        dependent forcing), => introduce constant field shelficeLoadAnomaly.
107        Its default is 0., but it may be computed more cleverly from (unknown)
108        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
109        done offline. A good approximation of the pressure load anomaly is
110        necessary to avoid large initial adjustment processes underneath
111        deep-reaching shelfice.
112      - small fix in ISOMIP shelfice_thermodynamics
113      - add more sophisticated thermodynamics of Hellmer (1989), this is
114        now the default
115      - give a few constants more intuitive names
116    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
117      if bulk formulae are used in long integration (especially EmPmR). Turn
118      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
119      if balancePrintMean, the imbalance that is substracted is printed to
120      STDOUT.
121    o fix bug (typo) in obcs_apply_eta.F
122    o add a new package shelfice which enables us to model the circulation
123      underneath shelf-ice with draughts of hundreds of meters.
124     - works
125     - to do: + include improved thermodynamics
126              + check whether kSurfC (from model/inc/SURFACE.h) can be used
127                instead of new field kTopC
128              + can we use topoFile, Ro_surf and existing code in ini_depth.F
129                instead of new field R_shelfIce and new code in ini_depth.F
130                and ini_mask_etc.F?
131              + adjust vertical mixing schemes?
132    o seaice pkg:
133     - add a cpp-flag to include a simple formula for a salinity dependent
134       freezing point of sea water at the surface
135     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
136       meridional stresses are now different (and hopefully correct)
137    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
138       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
139       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
140    o pkg/diagnostics: add options and parameters for regional-statistics
141       diagnostics ; define regions by reading a region-mask from a file
142       (might add other options later)
143    o pkg/bulk_force:
144     - add option and parameters to use AIM surface-flux formulae.
145     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
146       others forcing fields (defined in PARM05, parameter file "data") are loaded
147       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
148     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
149     - use the right EXCH call for uwind,vwind (to work on CS-grid).
150     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
151       and parameters (note: calcWindStress replaces .NOT.readwindstress).
152     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
153    
154    checkpoint58
155    o add "--embed-source" option to genmake2 which, when the supporting
156      tools can be compiled (as determined by genmake2) will turn on the
157      embed_files package which then embeds the entire MITgcm source code
158      (*.[fFhc] + Makefile) used for the build within the executable
159      - requested by CNH but off by default
160      - adds a paltry <9MB to the mitgcmuv executable in most cases
161      - only writes the output when useEMBEDSRC in eedata is true
162    o clean up 3-dim. relaxation codes:
163      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
164      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
165      * Thanks to Tom Haine for testing!
166    
167    checkpoint57z_post
168    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
169      affects output (@ truncation level) of exp. plume_on_slope ; updated.
170    o fix the pickup behavior for obcs in combination with ptracers
171    o fix a bug in ptracers_external_fields_load
172    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
173      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
174    o transfered surface NH pressure to eta field (if exactConserv).
175    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
176         and update lab_sea output.txt file.
177    o completing 3-dim. relaxation code: additional term
178         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
179      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
180      * At compile time, in "EXF_OPTIONS.h" set
181          #define  ALLOW_CLIMTEMP_RELAXATION
182          #define  ALLOW_CLIMSALT_RELAXATION
183      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
184          tauThetaClimRelax3Dim = 15552000.0,
185          tauSaltClimRelax3Dim  = 15552000.0,
186      * 3 cases:
187          1) Use a constant-in-time 3-dim. field
188          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
189          3) Real-time relax. to time-evolving prescribed field
190    o Adding Laplacian-type smoothness constraint on
191      initial and boundary (forcing) controls (ic, bc)
192      * enable at compile-time via
193        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
194      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
195      * Absolute scale somewhat unclear so far
196      * no area weighting was included since no other cost term does so far
197    
198    checkpoint57y_post
199    First step for a NLFS adjoint
200    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
201    o new init. routines for calc_r_star, calc_surf_dr
202    o still need to deal with ini_masks_etc
203    o testreport seemed happy
204    checkpoint57y_pre
205    
206    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
207    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
208    o add new offset feature to offline pkg (plus minor cleanup)
209    o cfc fixes for final year of integration
210    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
211      be in GCHEM_OPTIONS).
212    
213    checkpoint57x_post
214    o fix testreport Pb in multiple test experiment.
215    o cleanup our namelist syntax in verification:
216      - make it more F95 standards compliant (some work still needed)
217      - allows the vast majority of our tests to work with gfortran
218    o Non-Hydrostatic:
219     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
220     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
221    o Allow to apply AB on T,S rather than on AB(gT,gS):
222     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
223     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
224       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
225     - need a "clever" read_pickup to restart from the other AB formulation
226    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
227    o remove some unused variables (reduces number of compiler warnings)
228    o adjoint
229      * Disable useVariableViscosity for adjoint for time being
230        (there are a number of extensive recomputations)
231      * Initialize certain variables needed for adjoint
232    
233    checkpoint57w_post
234    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
235                 fix the singleCpuIO RS version of MDSWRITEFIELD
236       and add a WARNING if using globalFiles=T with multi-processors.
237    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
238      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
239    o tracer advection scheme:
240      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
241       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
242       was not very convenient).
243      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
244       (further tests needed for the implicit DST & Flux-Limiter schemes).
245    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
246      and sRef for convenience, handy, when you want to initialize
247      ptracers in a large domain with a constant non-zero value. Also,
248      untangle ptracers_init.F a little.
249    
250    checkpoint57v_post
251    o change dome exp. to use variable viscosity in side-drag terms.
252    o remove all the files from the cfc_offline test since they are now
253      incorporated into tutorial_cfc_offline which has been producing
254      identical results for a few days of testing
255    o add new parameter: sideDragFactor to enable half-slip-side BC
256      and change side-drag S/R to use viscosity from mom_calc_visc
257      (can switch back by setting sideDragFactor=0.); affects results at
258      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
259       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
260    o vorticity & strain are now computed without masking, to account for
261      no-slip-side BC in variable viscosity calculation ; mask is applied
262      anyway later on, before computing advection/coriolis terms.
263    o modify exp4 to test new obcs support for reading from external files
264      and for passive tracers
265    o fix behavior of ptracers_monitor when monitor output is written to a
266      netcdf-file; still not independent of monitor.F (writes in the same
267      file).
268    o change default value of tRef (put a uniform, meaningful value for ocean
269      & atmos) and initialize sRef (was missing, as Martin mentioned).
270    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
271      to be proportional to enstrophy dissipation length.  Thus,
272       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
273      This is now consistent with Smagorinsky and with the manual.
274    
275    checkpoint57u_post
276    o OBCS and PTRACERS: add open boundary support for passive tracers
277      - either use homogenous (pseudo) v.Neumann conditions or prescribe
278        OB-values from file; this is not different from the way theta and salinity
279        are treated
280      - however, Orlanski-radiation conditions are not supported, and the model
281        will stop if you use pTracers and Orlanski at the same time.
282      - beefed up the rountine obcs_external_fields_load: now only those open
283        boundary values are overwritten with values from files for which there
284        are really files, otherwise the OB-fields remain untouched. This makes
285        it possible to use different OBs at different ends of the domain (as
286        with EXF)
287    o reduce number of exch calls in shap_filt (s2).
288    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
289      truncation level) 4/5 MLAdjust test results (11&12 digits match).
290    
291    checkpoint57t_post
292    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
293    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
294      same truncation, independent of the face number: affects affects several
295      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
296    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
297      note that biharmonic viscosity + no-slip was not tested in any experiment.
298    o fix bug in non-linear free-surf side-drag ; generate new output for
299      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
300    o make mnc honor the writeBinaryPrec flag for most kinds of output
301    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
302    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
303      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
304    o add brackets in multi-terms sum to get same truncation, independent of
305      the face number (manage to get exactly same value of gU,gV at the cs-edge)
306      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
307    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
308      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
309      a maximum grid-scale Reynolds number.  Also, changes all length calculations
310      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
311      Suggested values of viscosity parameters found in mom_calc_visc.
312      Many new viscosity diagnostics available.
313    
314    checkpoint57s_post
315    o Add clearing-house for viscosity calculations, mom_calc_visc and
316      correct numerous bugs in LeithD and Smagorinsky discretizations.  
317      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
318      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
319      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
320      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
321      The Strain-Tension form is now called with useStrainTensonVisc=.true.
322      ViscAhStrain and viscAhTension are now retired.
323    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
324    o In response to JMC's bug report, genmake2 now ignores any soft-links
325      that it finds in the *current* directory when searching for files.
326      Soft-links found in any other source directories will still work as
327      they did before.
328    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
329      a C routine to unlimit the stack size
330    o mnc-ify pkg/aim snapshot vars
331    o mnc-ify pkg/land as requested by Daniel
332    o various changes to mnc including:
333      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
334      - output can now be grouped so that all files within a group
335          change the ITER portion of their names in lock-step together
336      - can now read ("global") PER-FACE (in addition to PER-TILE) files
337          and works with both EXCH1 and EXCH2 (but needs more testing)
338      - writing works for all verification test cases w/ g77 on Linux
339    
340    checkpoint57r_post
341    o make MNC variable initialization happen earlier
342    o add diagnostics for (almost) each term of the momentum Eq.
343    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
344    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
345    o remove MINIMAL_TAVE_OUTPUT option ;
346      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
347    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
348      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
349    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
350    o add time-dependent SST, SSS control
351    o cost terms in ecco/ modularized (new cost_generic.F)
352    o cost_averages routines are modularized (new cost_averagesgeneric.F)
353    o new infrastructure for seaice model vs. obs misfits in seaice/
354      * driver from the_main_loop.F is seaice_cost_driver.F
355      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
356      * gradient check in Exp. 6a of natl_box_adjoint/
357    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
358      (see README file)
359    
360    checkpoint57q_post
361    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
362    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
363      - bug was reported by Jean-Michel and Ian Fenty
364    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
365      update exp. cpl_aim+ocn output.
366    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
367      Needed for high-res. runs with large global files
368      to be able to limit tapelev size
369    o Changed some tests for adjoint:
370      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
371      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
372      * global_ocean.90x40x15/ back to default 3-level checkpointing
373    o Modifications to enable scripted COMMON to MODULE conversion
374      * verification/OpenAD/code/ has necessary scripts and description;
375      * converts, compiles and runs successfully;
376    
377    checkpoint57p_post
378    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
379    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
380      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
381    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
382    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
383      (was already the case for dissipation with mom_vecinv,
384       and also the case for grad.PhiHyd when staggered-timeStep)
385      This will allow to put dissipation out-off the AB time-stepping.
386     Unfortunately, affects truncation error. Update output of exp. that "fails"
387      (cg2d matching number) and leave the others for later: front_relax(10),
388      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
389      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
390    
391    checkpoint57o_post
392    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
393      (2) its ready to be documented during the 20050801 DocFest
394    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
395      for ideal_2D_oce and lab_sea on linux_ia32_g77
396    o set to #undef CTRL_SET_OLD_MAXCVARS_30
397      in global1x1_tot/code_seaice_adj to access indices 32, 33
398      (worth another tag)
399    
400    checkpoint57n_post
401    o adding precip control xx_precip 32
402    o adding swflux control xx_swflux 33
403    o Replacing 10 forcing penalty cost routines by 1 generic.
404    o Implementing partitioning in time-mean and variable adjustment
405      for atmos. state.
406    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
407    o in natl_box_adjoint:
408      * updated exp 1 to 10
409        (but does not have time-mean vs. variable split results yet)
410    o updated global1x1/*_seaice_adj/
411      to incorporate latest changes
412    o enable useSingleCpuIO for mdsio vector routines
413      (applies in particular to tapelev I/O)
414    o removed inefficient K-loop in all active_file*control*.F
415    
416    checkpoint57m_post
417    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
418      and advect_cs (use EXCH-2 and standard cs-32 grid files).
419    o pkg/exch2: filling of face-corner halo regions is optional
420      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
421    
422    checkpoint57l_post
423     tag before updating tutorials (pre-release-2)
424    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
425       for output and interpolation of input fields onto model grid)
426    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
427       Affects results of exp. rotating_tank ; update output.txt.
428    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
429          and taking the square quantity and/or using a fraction-weight field.
430    o fix aim_diagnostics_init.F mate numbers.
431    o add mnc output capability to diagnostics/diagstat and update
432      our cvsignore files for the ACSII output generated
433    
434    checkpoint57k_post
435    o lab_sea now uses diagnostics package and provides a suite of
436      new EXF diagnostics output.
437    
438    checkpoint57j_post
439    o exf
440      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
441        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
442        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
443      * extended diagnostics output
444        - now includes all EXF variables
445        - hs, hl moved to common block
446        - separate S/R for diagnostics, called after ctrl vector is added
447        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
448        - EXFqnet contains true Qnet (i.e. includes qsw)
449      * updated verif. lab_sea, global_with_exf
450      * Rearranging hflux (exf_mapfields -> exf_getforcing)
451        to ensure that diagnostics sees a true EXFqnet
452    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
453    o diagnostics pkg: change pointers so that 1 diagnostic can be used
454      several times with different frequencies.
455    o mnc-ify the thsice package as requested by Daniel Enderton
456      - the monitor--MNC output needs work
457      - many attributes need to be added (most are currently blank)
458    o mnc-ify theaim_v23 package as requested by Daniel Enderton
459      - many attributes need to be added (most are currently blank)
460    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
461    o add Sadourny like discretization to the 4th.O vorticity advection scheme
462    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
463      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
464         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
465    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
466     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
467    
468    checkpoint57i_post
469    o Diagnostics package was changed: diagnostic allocation is now deactivated
470      by setting an empty file name in the namelist (used to be by setting 0 frequency)
471    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
472      add 1rst Order upwind vertical Shear.
473    o add a quick fix for A/B checkpointing in OFFLINE mode
474    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
475      end-run around the C/Fortran linking horror in eesup/src/timers.F
476    o added pkg/runclock: allows user to terminate run based on wall clock
477    o added non-hydrostatic scaling parameter: nh_am2
478    o pkg/my82: futile attempt to make results compiler-independent by adding
479      some "_d 0", etc. no effect.
480    o for mnc output, fill the 'T' coordinate var with myTime and create a
481      separate 'iter' variable for iteration count
482    o pkg/diagnostics:
483      add new capability: output of Global/Regional & per-level statistics ;
484      tested against monitor output (including land & thSIce) on various exp.
485    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
486    
487    checkpoint57h_done
488      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
489      data.diagnostics, data.gchem, data.ptracers) is done.
490    
491    o pkg/diagnostics: prepare for Global/Regional statistics.
492      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
493    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
494      and rename it: DIFFERENT_MULTIPLE
495    
496    checkpoint57h_post
497    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
498    o pkg/diagnostics: change output frequency, now in seconds (instead
499      of Nb of iterations). This requires to change data.diagnostics.
500    checkpoint57h_pre
501    
502    o in mnc, let the user create the output dir if both mnc_outdir_date
503      and mnc_outdir_num are false
504    o add fflags() to pkg/diagnostics which allows one to specify, on a
505      per-file basis, the file precision [default behavior is unchanged]
506    o added diagnostics to pkg/kpp, including computation of mixed layer
507      depth based on a temperature/density criterion
508    o updated verification/natl_box to test the new pkg/kpp diagnostics
509    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
510    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
511    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
512      not mnc -- this mistake was found by JMC and is now corrected
513    
514    checkpoint57g_post
515    o add Adams-Bashforth 3rd Order time stepping:
516      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
517      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
518    checkpoint57g_pre
519    
520    o make lambda[Theta,Salt]ClimRelax spatially varying
521      (default remains spatially uniform constant based on tau)
522    o added new control variables
523      * init. uVel, vVel, etanN
524      * lambda[Theta,Salt]ClimRelax
525    o separate masks used for ctrl_pack/unpack 'from write_grid' output
526      (suggested by G. Forget)
527    
528    checkpoint57f_post
529    o add parameter "baseTime" = model base time = time at iteration zero
530      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
531      account for baseTime shift
532    o move Coriolis arrays from PARAMS.h to GRID.h
533    checkpoint57f_pre
534    
535    o mnc-ifying the seaice package
536    o introduced an alternative length scale calculation for use in the limiting
537      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
538    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
539    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
540      as well as grad(vort3).  Made it compatible with both approximate form
541      for the cubed sphere and full form of these gradients.  Added flag
542      useFullLeith to select between approximate and full form.  
543    o add "d0" in getcon.F to reduce differences between compilers/platforms
544      update output.txt of exp. fizhi-gridalt-hs
545    o change port_rand funtion to allow to set the seed.
546    o fix obscure MNC bug involving conversion between reals and integers
547      - it caused no problems with certain (eg. gcc, ifc) compilers but the
548        new version is now more standards-compliant
549    o adjoint-related modifications
550      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
551      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
552      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
553    
554    checkpoint57e_post
555    o Adding eddy stress controls a la Ferreira et al.
556    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
557    
558    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
559      update output.txt of exp. fizhi-gridalt-hs
560    o add more "Z" dimensions and associated coordinate vars to MNC
561    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
562    o parameter calendarDumps: when set, approximate months (30-31 days) and years
563      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
564      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
565      months and years.  Requires pkg/cal.
566    o diagnostics: add pickup functionality
567      - off by default for backwards compatibility
568      - current version only uses MDSIO -- MNC will be added
569    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
570    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
571    
572    checkpoint57d_post
573    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
574    o modify verification/ideal_2D_oce so that it tests the creation of mnc
575      output from the diagnostics package
576    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
577    o make genmake2 more portable by using ".$FS" instead of ".f" for more
578      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
579    o add coordinate variables to the MNC output from the diagnostics package
580    o change MNC-flags default value: true when useMNC=TRUE
581    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
582      the ability (off by default) to read the grid information using MNC
583    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
584    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
585    o do snap-shot diagnostics at the middle of the time-interval (instead of
586      at the end).
587    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
588      new test for AIM with thSIce + slab-ocean
589    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
590    o move state variable diagnostics to the beginning of the time step ;
591      (note: still needs some work specially for snap-shot diagnostics)
592      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
593    
594    checkpoint57c_post
595    o Change testing option (-ieee) to get closer agreement between g77 & ifort
596    o generate new output.txt files on faulks with g77 & the new -ieee option
597    checkpoint57c_pre
598    
599    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
600      update output.txt of exp. global_ocean.90x40x15
601    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
602      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
603    o add saltFlux(+File) forcing capability with periodicExternalForcing
604    o allow to use pkg diagnostics for GM-Redi & ThSIce output
605    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
606    o improvements for the MNC output from DIAGNOSTICS:
607      - correct handling of the unlimitied dimension
608      - all dims now have associated coordinate variables
609      - variables located at U, V, and Corner ("Z") points are now written
610        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
611        *all* data points are output
612    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
613    o added pkg/seaice/seaice_monitor.F
614    o mdsio_readfield.F can now read files visible only to master MPI process.
615    o pkg/seaice: some test code for ice-modified ocean stress
616    o exf_getffields interpolation defaults to bilinear for all scalar forcing
617      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
618      spurious negative numbers for precipitation and humidity.  Will cause
619      some small numerical differences for integrations using pkg/exf/exf_interp.F.
620    o pkg/ctrl/
621      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
622        May be enabled via doPackDiag
623      *  introduce z-scaling of
624         + gradient (doZscalePack) and
625         + control (doZscaleUnpack)
626    o pkg/mdsio/
627      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
628      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
629    
630    checkpoint57b_post
631    o simplify options in diagnostics_fill arguments (remove weird combinations)
632    o fix MNC coordinate variables so that they now contain per-face index
633      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
634      general, EXCH2 grids are only aligned to a "local" coordinate system
635    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
636    o Implement instantaneous output within pkg diagnostics:
637      setting a negative frequency in data.diagnostics produces
638     "snap-shot" output (as opposed to time-average if freq > 0)
639    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
640      NOTE: change ptracer diagnostics name: use 2 characters to work with
641            more than 9 tracers. Add also diagnostics of advect & diffus flux.
642    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
643      becomes the coordinate variable for the 'T' dimension
644    o add CF-style coordinate variables to MNC
645      - just a first cut:  numbers are meaningless on the cubesphere and
646        missing along the T axis but otherwise it works!
647    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
648    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
649    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
650      this is based directly on what the model compute, so that the content of
651      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
652    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
653    o clean up build options files for SunOS, in particular
654      - remove -traditional from xmakedepend
655      - change -xarch=v9 to -xarch=native for f77
656      - restore use of make (not gmake)
657      - add CC=gcc if using g77
658    o changes per discussion of AM, JMC, & EH3 today:
659      - move redundant "grid" variables out of "state" -- in preparation of
660        creating proper CF-style coordinate variables and in recognition
661        that any/all grid variables can be easily copied (eg. w/NCO) from
662        the grid files into any of the other NetCDF files
663      - *always* output grid variables with MDSIO (this will eventually be
664        changed)
665      - output MNC grid file if useMNC is true
666    o every instance of _END_MASTER() has been found and replaced with
667      _END_MASTER( myThid ) in order to satisfy certain picky Sun
668      preprocessors
669    o re-arrange diagnostics pkg initialisation:
670     - allow each package to extend the available diagnostics list
671     - add some checking and fix small problems (multi-threaded, ...)
672     - new S/R diagnostics_fill (replace fill_diagnostics):
673       look through the short list of active diag. (instead of the long list)
674       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
675    
676    checkpoint57a_post
677    o this set of changes restores TAMC compatibility
678      tested for global_ocean.90x40x15 adjoint on trough
679      (what a pain)
680    
681    checkpoint57a_pre
682    o some modifs in tools/build_options for sunos
683    o call ctrl_pack for ctrl at end for optimcycle=0
684    
685    checkpoint57
686    o add horizontal bi-harmonic viscosity for vertical velocity
687      - new parameter viscA4W (defaults to viscA4)
688      - affects only non-hydrostatic code
689      - to be done: no-slip lateral boundary conditions
690    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
691    o implement Implicit Vertical advection for pTracers
692    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
693      (implemented also for implicit vertical diffusion & advection)
694    o OBCS: extend application of tracer open boundary conditions
695      to a strip beyond the boundary of width Olx/Oly
696    o add call monitor to TAF set of required calls (flow directives)
697      and include in natl_box_adjoint
698    o untangle a few ifdefs related to cost, ctrl, autodiff
699      untangel a few ALLOW_ECCO_OPTIMIZATION
700    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
701      (theta2, salt2 in ecco_cost_weights)
702    
703    checkpoint56c_post
704    o OBCS as control variables
705      - update ctrl_ad_diff.list, obcs_ad_diff.list
706      - remove balance of obcs controls from default
707      - fix index bug nobcs in ctrl_init
708      - fix dummy fields filen in ctrl_pack
709      - add dummy weights for obcs
710    o lsopt: comment out fort.94 output
711    o optim:
712      - remove unnecessary header files
713      - adjusted namelists
714      - add xerbla.F to Makefile
715    o exf:
716      - multiple modifications of exf_check_range
717      - unit change in exf_init_runoff from [m/year] to [m/s]
718    o mdsio:
719      - i/o-vector change debugLevel from debLevA to debLevB
720    
721    checkpoint56b_post
722    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
723      is called from DO_THE_MODEL_IO
724      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
725      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
726      - clean up PTRACERS_WRITE_TIMEAVE a little
727    o add another verification experiment that tests both the cfc-pkg and
728      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
729      reactive tendencies treated inline with regular timestepping
730    o testreport previously did a lousy job of comparing small numbers, so
731      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
732      implemented in the little c-progam tmp_cmpnum.c which is embedded in
733      testreport.
734    o ptracers_monitor: bug fix for MPI
735    
736    checkpoint56a_post
737    o GCHEM: finish reorganizating the package
738      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
739        (introduces another 3D-array for each passive tracer, but only if
740        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
741        gchemTendency is not needed because the timestep is done separately)
742      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
743      - GCHEM is now---more or less cleanly---separate from PTRACERS
744      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
745        so clear to me how that should be done in a general way.
746    o CFC: improve formatting of output in CFC_ATMOS
747    o PTRACERS:
748      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
749        that ALL experiments with ptracers enable can be checked. This makes
750        GCHEM_MONITOR obsolete.
751      - include a runtime parameter PTRACERS_monitorFreq that defaults to
752        monitorFreq
753      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
754    o add PTRACERS (PTR0[1-5]) to testreport output
755    o exf_check_range:
756      * default changed to .TRUE.
757      * will check values for niter0 if debLevA, every timestep if debLevB
758      * STOP in exf_check_range if 'out of range'
759      * range chosen generous to allow for potential extema
760      TBD: a version with stricter range
761           permitted range would be runtime parameters
762  o GMredi:  o GMredi:
763    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
764    - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.    - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
# Line 11  o GCHEM: Line 767  o GCHEM:
767    - move call to GCHEM_FORCING_SEP, so that it is now called before    - move call to GCHEM_FORCING_SEP, so that it is now called before
768      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
769    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
770      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
771        this flag is now only visible within GCHEM-pkg routines.
772      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
773        be replaced by a 3D array that is computed before thermodynamics; for
774        this, the tracer ID iTracer had to be included into the parameter list
775        of ptracers_forcing
776      - set up forward_step to call gchem_forcing, that will replace
777        gchem_forcing_int in ptracers_forcing
778      - cleaning up
779  o small cleaning of exch2: remove files that are also in eesupp/src  o small cleaning of exch2: remove files that are also in eesupp/src
780    
781  checkpoint56  checkpoint56

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