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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.622 by mlosch, Mon Mar 6 13:18:16 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:
8     - add c-grid version of the dynamic solver:
9       + three new routines that are the c-grid substitute lsr, dynsolver
10         and ostres
11       + put a few fields that were local to dynsolver into global common
12         blocks, so that I can move the computation of stresses etc into
13         seaice_lsr (saves coding but may break the adjoint).
14     - replace more hardwired parameters by runtime parameters
15     - add ice masks that mask the rhs of the implicit solvers where there
16       is no ice (commented out in seaice_dynsolver, because i am not sure
17       if this works properly), eventually this should replace the clipping
18       of ice velocities in seaice_dynsolver to +/-40cm/s.
19    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
20      include it only where its needed
21    o move balancing of fluxes before the call of external_forcing_surf
22    o seaice:
23      - correct units of turning angles (now they are really in degrees)
24      - move computation of GWATX/Y out of main routine into dynsolver
25      - initialize GWATX/Y in seaice_init
26    o Apply mask on Fresh-Water flux (needed for SSH forcing).
27      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
28    o seaice: add runtime flags for turning angles (default to zero)
29    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
30      and trend from exf forcing and ctrl control adjustments
31    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
32      (since checkpoint57x_post)
33    o change the default rotation period to 86164.s = the Earth rotation
34    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
35      and based on a reference stratification. Tested within hs94.cs-32x32x5.
36    o seaice advection: add code for choosing between the default (2nd order
37      central differences) and multiDim advection schemes provided by
38      pkg/generic_advdiff
39    o seaice:
40      - removed all references to SEAICE_GRID.h fields from
41        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
42        (cubed-sphere configuration will change a little)
43      - grid computations in seaice_init are obsolete now.
44      - cleaned up code a little so that is easier to read (hopefully).
45      - added new (better?) discretizations of default advection and diffusion
46        (turn on with SEAICEuseFluxForm)
47      - replace 1 in 3d global fields by kSurface in growth.F
48      
49    checkpoint58a_post
50    o seaice:
51      - bug fix in advect.F
52    o shelfice:
53      - separate shelfice load anomaly from pload (breaks with time
54        dependent forcing), => introduce constant field shelficeLoadAnomaly.
55        Its default is 0., but it may be computed more cleverly from (unknown)
56        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
57        done offline. A good approximation of the pressure load anomaly is
58        necessary to avoid large initial adjustment processes underneath
59        deep-reaching shelfice.
60      - small fix in ISOMIP shelfice_thermodynamics
61      - add more sophisticated thermodynamics of Hellmer (1989), this is
62        now the default
63      - give a few constants more intuitive names
64    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
65      if bulk formulae are used in long integration (especially EmPmR). Turn
66      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
67      if balancePrintMean, the imbalance that is substracted is printed to
68      STDOUT.
69    o fix bug (typo) in obcs_apply_eta.F
70    o add a new package shelfice which enables us to model the circulation
71      underneath shelf-ice with draughts of hundreds of meters.
72     - works
73     - to do: + include improved thermodynamics
74              + check whether kSurfC (from model/inc/SURFACE.h) can be used
75                instead of new field kTopC
76              + can we use topoFile, Ro_surf and existing code in ini_depth.F
77                instead of new field R_shelfIce and new code in ini_depth.F
78                and ini_mask_etc.F?
79              + adjust vertical mixing schemes?
80    o seaice pkg:
81     - add a cpp-flag to include a simple formula for a salinity dependent
82       freezing point of sea water at the surface
83     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
84       meridional stresses are now different (and hopefully correct)
85    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
86       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
87       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
88    o pkg/diagnostics: add options and parameters for regional-statistics
89       diagnostics ; define regions by reading a region-mask from a file
90       (might add other options later)
91    o pkg/bulk_force:
92     - add option and parameters to use AIM surface-flux formulae.
93     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
94       others forcing fields (defined in PARM05, parameter file "data") are loaded
95       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
96     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
97     - use the right EXCH call for uwind,vwind (to work on CS-grid).
98     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
99       and parameters (note: calcWindStress replaces .NOT.readwindstress).
100     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
101    
102    checkpoint58
103    o add "--embed-source" option to genmake2 which, when the supporting
104      tools can be compiled (as determined by genmake2) will turn on the
105      embed_files package which then embeds the entire MITgcm source code
106      (*.[fFhc] + Makefile) used for the build within the executable
107      - requested by CNH but off by default
108      - adds a paltry <9MB to the mitgcmuv executable in most cases
109      - only writes the output when useEMBEDSRC in eedata is true
110    o clean up 3-dim. relaxation codes:
111      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
112      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
113      * Thanks to Tom Haine for testing!
114    
115    checkpoint57z_post
116    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
117      affects output (@ truncation level) of exp. plume_on_slope ; updated.
118    o fix the pickup behavior for obcs in combination with ptracers
119    o fix a bug in ptracers_external_fields_load
120    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
121      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
122    o transfered surface NH pressure to eta field (if exactConserv).
123    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
124         and update lab_sea output.txt file.
125    o completing 3-dim. relaxation code: additional term
126         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
127      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
128      * At compile time, in "EXF_OPTIONS.h" set
129          #define  ALLOW_CLIMTEMP_RELAXATION
130          #define  ALLOW_CLIMSALT_RELAXATION
131      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
132          tauThetaClimRelax3Dim = 15552000.0,
133          tauSaltClimRelax3Dim  = 15552000.0,
134      * 3 cases:
135          1) Use a constant-in-time 3-dim. field
136          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
137          3) Real-time relax. to time-evolving prescribed field
138    o Adding Laplacian-type smoothness constraint on
139      initial and boundary (forcing) controls (ic, bc)
140      * enable at compile-time via
141        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
142      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
143      * Absolute scale somewhat unclear so far
144      * no area weighting was included since no other cost term does so far
145    
146    checkpoint57y_post
147    First step for a NLFS adjoint
148    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
149    o new init. routines for calc_r_star, calc_surf_dr
150    o still need to deal with ini_masks_etc
151    o testreport seemed happy
152    checkpoint57y_pre
153    
154    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
155    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
156    o add new offset feature to offline pkg (plus minor cleanup)
157    o cfc fixes for final year of integration
158    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
159      be in GCHEM_OPTIONS).
160    
161    checkpoint57x_post
162    o fix testreport Pb in multiple test experiment.
163    o cleanup our namelist syntax in verification:
164      - make it more F95 standards compliant (some work still needed)
165      - allows the vast majority of our tests to work with gfortran
166    o Non-Hydrostatic:
167     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
168     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
169    o Allow to apply AB on T,S rather than on AB(gT,gS):
170     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
171     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
172       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
173     - need a "clever" read_pickup to restart from the other AB formulation
174    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
175    o remove some unused variables (reduces number of compiler warnings)
176    o adjoint
177      * Disable useVariableViscosity for adjoint for time being
178        (there are a number of extensive recomputations)
179      * Initialize certain variables needed for adjoint
180    
181    checkpoint57w_post
182    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
183                 fix the singleCpuIO RS version of MDSWRITEFIELD
184       and add a WARNING if using globalFiles=T with multi-processors.
185    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
186      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
187    o tracer advection scheme:
188      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
189       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
190       was not very convenient).
191      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
192       (further tests needed for the implicit DST & Flux-Limiter schemes).
193    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
194      and sRef for convenience, handy, when you want to initialize
195      ptracers in a large domain with a constant non-zero value. Also,
196      untangle ptracers_init.F a little.
197    
198    checkpoint57v_post
199    o change dome exp. to use variable viscosity in side-drag terms.
200    o remove all the files from the cfc_offline test since they are now
201      incorporated into tutorial_cfc_offline which has been producing
202      identical results for a few days of testing
203    o add new parameter: sideDragFactor to enable half-slip-side BC
204      and change side-drag S/R to use viscosity from mom_calc_visc
205      (can switch back by setting sideDragFactor=0.); affects results at
206      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
207       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
208    o vorticity & strain are now computed without masking, to account for
209      no-slip-side BC in variable viscosity calculation ; mask is applied
210      anyway later on, before computing advection/coriolis terms.
211    o modify exp4 to test new obcs support for reading from external files
212      and for passive tracers
213    o fix behavior of ptracers_monitor when monitor output is written to a
214      netcdf-file; still not independent of monitor.F (writes in the same
215      file).
216    o change default value of tRef (put a uniform, meaningful value for ocean
217      & atmos) and initialize sRef (was missing, as Martin mentioned).
218    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
219      to be proportional to enstrophy dissipation length.  Thus,
220       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
221      This is now consistent with Smagorinsky and with the manual.
222    
223    checkpoint57u_post
224    o OBCS and PTRACERS: add open boundary support for passive tracers
225      - either use homogenous (pseudo) v.Neumann conditions or prescribe
226        OB-values from file; this is not different from the way theta and salinity
227        are treated
228      - however, Orlanski-radiation conditions are not supported, and the model
229        will stop if you use pTracers and Orlanski at the same time.
230      - beefed up the rountine obcs_external_fields_load: now only those open
231        boundary values are overwritten with values from files for which there
232        are really files, otherwise the OB-fields remain untouched. This makes
233        it possible to use different OBs at different ends of the domain (as
234        with EXF)
235    o reduce number of exch calls in shap_filt (s2).
236    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
237      truncation level) 4/5 MLAdjust test results (11&12 digits match).
238    
239    checkpoint57t_post
240    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
241    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
242      same truncation, independent of the face number: affects affects several
243      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
244    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
245      note that biharmonic viscosity + no-slip was not tested in any experiment.
246    o fix bug in non-linear free-surf side-drag ; generate new output for
247      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
248    o make mnc honor the writeBinaryPrec flag for most kinds of output
249    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
250    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
251      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
252    o add brackets in multi-terms sum to get same truncation, independent of
253      the face number (manage to get exactly same value of gU,gV at the cs-edge)
254      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
255    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
256      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
257      a maximum grid-scale Reynolds number.  Also, changes all length calculations
258      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
259      Suggested values of viscosity parameters found in mom_calc_visc.
260      Many new viscosity diagnostics available.
261    
262    checkpoint57s_post
263    o Add clearing-house for viscosity calculations, mom_calc_visc and
264      correct numerous bugs in LeithD and Smagorinsky discretizations.  
265      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
266      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
267      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
268      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
269      The Strain-Tension form is now called with useStrainTensonVisc=.true.
270      ViscAhStrain and viscAhTension are now retired.
271    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
272    o In response to JMC's bug report, genmake2 now ignores any soft-links
273      that it finds in the *current* directory when searching for files.
274      Soft-links found in any other source directories will still work as
275      they did before.
276    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
277      a C routine to unlimit the stack size
278    o mnc-ify pkg/aim snapshot vars
279    o mnc-ify pkg/land as requested by Daniel
280    o various changes to mnc including:
281      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
282      - output can now be grouped so that all files within a group
283          change the ITER portion of their names in lock-step together
284      - can now read ("global") PER-FACE (in addition to PER-TILE) files
285          and works with both EXCH1 and EXCH2 (but needs more testing)
286      - writing works for all verification test cases w/ g77 on Linux
287    
288    checkpoint57r_post
289    o make MNC variable initialization happen earlier
290    o add diagnostics for (almost) each term of the momentum Eq.
291    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
292    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
293    o remove MINIMAL_TAVE_OUTPUT option ;
294      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
295    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
296      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
297    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
298    o add time-dependent SST, SSS control
299    o cost terms in ecco/ modularized (new cost_generic.F)
300    o cost_averages routines are modularized (new cost_averagesgeneric.F)
301    o new infrastructure for seaice model vs. obs misfits in seaice/
302      * driver from the_main_loop.F is seaice_cost_driver.F
303      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
304      * gradient check in Exp. 6a of natl_box_adjoint/
305    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
306      (see README file)
307    
308    checkpoint57q_post
309    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
310    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
311      - bug was reported by Jean-Michel and Ian Fenty
312    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
313      update exp. cpl_aim+ocn output.
314    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
315      Needed for high-res. runs with large global files
316      to be able to limit tapelev size
317    o Changed some tests for adjoint:
318      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
319      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
320      * global_ocean.90x40x15/ back to default 3-level checkpointing
321    o Modifications to enable scripted COMMON to MODULE conversion
322      * verification/OpenAD/code/ has necessary scripts and description;
323      * converts, compiles and runs successfully;
324    
325    checkpoint57p_post
326    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
327    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
328      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
329    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
330    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
331      (was already the case for dissipation with mom_vecinv,
332       and also the case for grad.PhiHyd when staggered-timeStep)
333      This will allow to put dissipation out-off the AB time-stepping.
334     Unfortunately, affects truncation error. Update output of exp. that "fails"
335      (cg2d matching number) and leave the others for later: front_relax(10),
336      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
337      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
338    
339    checkpoint57o_post
340    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
341      (2) its ready to be documented during the 20050801 DocFest
342    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
343      for ideal_2D_oce and lab_sea on linux_ia32_g77
344    o set to #undef CTRL_SET_OLD_MAXCVARS_30
345      in global1x1_tot/code_seaice_adj to access indices 32, 33
346      (worth another tag)
347    
348    checkpoint57n_post
349    o adding precip control xx_precip 32
350    o adding swflux control xx_swflux 33
351    o Replacing 10 forcing penalty cost routines by 1 generic.
352    o Implementing partitioning in time-mean and variable adjustment
353      for atmos. state.
354    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
355    o in natl_box_adjoint:
356      * updated exp 1 to 10
357        (but does not have time-mean vs. variable split results yet)
358    o updated global1x1/*_seaice_adj/
359      to incorporate latest changes
360    o enable useSingleCpuIO for mdsio vector routines
361      (applies in particular to tapelev I/O)
362    o removed inefficient K-loop in all active_file*control*.F
363    
364    checkpoint57m_post
365    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
366      and advect_cs (use EXCH-2 and standard cs-32 grid files).
367    o pkg/exch2: filling of face-corner halo regions is optional
368      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
369    
370    checkpoint57l_post
371     tag before updating tutorials (pre-release-2)
372    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
373       for output and interpolation of input fields onto model grid)
374    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
375       Affects results of exp. rotating_tank ; update output.txt.
376    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
377          and taking the square quantity and/or using a fraction-weight field.
378    o fix aim_diagnostics_init.F mate numbers.
379    o add mnc output capability to diagnostics/diagstat and update
380      our cvsignore files for the ACSII output generated
381    
382    checkpoint57k_post
383    o lab_sea now uses diagnostics package and provides a suite of
384      new EXF diagnostics output.
385    
386    checkpoint57j_post
387    o exf
388      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
389        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
390        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
391      * extended diagnostics output
392        - now includes all EXF variables
393        - hs, hl moved to common block
394        - separate S/R for diagnostics, called after ctrl vector is added
395        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
396        - EXFqnet contains true Qnet (i.e. includes qsw)
397      * updated verif. lab_sea, global_with_exf
398      * Rearranging hflux (exf_mapfields -> exf_getforcing)
399        to ensure that diagnostics sees a true EXFqnet
400    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
401    o diagnostics pkg: change pointers so that 1 diagnostic can be used
402      several times with different frequencies.
403    o mnc-ify the thsice package as requested by Daniel Enderton
404      - the monitor--MNC output needs work
405      - many attributes need to be added (most are currently blank)
406    o mnc-ify theaim_v23 package as requested by Daniel Enderton
407      - many attributes need to be added (most are currently blank)
408    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
409    o add Sadourny like discretization to the 4th.O vorticity advection scheme
410    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
411      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
412         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
413    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
414     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
415    
416    checkpoint57i_post
417    o Diagnostics package was changed: diagnostic allocation is now deactivated
418      by setting an empty file name in the namelist (used to be by setting 0 frequency)
419    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
420      add 1rst Order upwind vertical Shear.
421    o add a quick fix for A/B checkpointing in OFFLINE mode
422    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
423      end-run around the C/Fortran linking horror in eesup/src/timers.F
424    o added pkg/runclock: allows user to terminate run based on wall clock
425    o added non-hydrostatic scaling parameter: nh_am2
426    o pkg/my82: futile attempt to make results compiler-independent by adding
427      some "_d 0", etc. no effect.
428    o for mnc output, fill the 'T' coordinate var with myTime and create a
429      separate 'iter' variable for iteration count
430    o pkg/diagnostics:
431      add new capability: output of Global/Regional & per-level statistics ;
432      tested against monitor output (including land & thSIce) on various exp.
433    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
434    
435    checkpoint57h_done
436      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
437      data.diagnostics, data.gchem, data.ptracers) is done.
438    
439    o pkg/diagnostics: prepare for Global/Regional statistics.
440      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
441    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
442      and rename it: DIFFERENT_MULTIPLE
443    
444    checkpoint57h_post
445    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
446    o pkg/diagnostics: change output frequency, now in seconds (instead
447      of Nb of iterations). This requires to change data.diagnostics.
448    checkpoint57h_pre
449    
450    o in mnc, let the user create the output dir if both mnc_outdir_date
451      and mnc_outdir_num are false
452    o add fflags() to pkg/diagnostics which allows one to specify, on a
453      per-file basis, the file precision [default behavior is unchanged]
454    o added diagnostics to pkg/kpp, including computation of mixed layer
455      depth based on a temperature/density criterion
456    o updated verification/natl_box to test the new pkg/kpp diagnostics
457    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
458    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
459    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
460      not mnc -- this mistake was found by JMC and is now corrected
461    
462    checkpoint57g_post
463    o add Adams-Bashforth 3rd Order time stepping:
464      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
465      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
466    checkpoint57g_pre
467    
468    o make lambda[Theta,Salt]ClimRelax spatially varying
469      (default remains spatially uniform constant based on tau)
470    o added new control variables
471      * init. uVel, vVel, etanN
472      * lambda[Theta,Salt]ClimRelax
473    o separate masks used for ctrl_pack/unpack 'from write_grid' output
474      (suggested by G. Forget)
475    
476    checkpoint57f_post
477    o add parameter "baseTime" = model base time = time at iteration zero
478      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
479      account for baseTime shift
480    o move Coriolis arrays from PARAMS.h to GRID.h
481    checkpoint57f_pre
482    
483    o mnc-ifying the seaice package
484    o introduced an alternative length scale calculation for use in the limiting
485      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
486    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
487    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
488      as well as grad(vort3).  Made it compatible with both approximate form
489      for the cubed sphere and full form of these gradients.  Added flag
490      useFullLeith to select between approximate and full form.  
491    o add "d0" in getcon.F to reduce differences between compilers/platforms
492      update output.txt of exp. fizhi-gridalt-hs
493    o change port_rand funtion to allow to set the seed.
494    o fix obscure MNC bug involving conversion between reals and integers
495      - it caused no problems with certain (eg. gcc, ifc) compilers but the
496        new version is now more standards-compliant
497    o adjoint-related modifications
498      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
499      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
500      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
501    
502    checkpoint57e_post
503    o Adding eddy stress controls a la Ferreira et al.
504    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
505    
506    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
507      update output.txt of exp. fizhi-gridalt-hs
508    o add more "Z" dimensions and associated coordinate vars to MNC
509    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
510    o parameter calendarDumps: when set, approximate months (30-31 days) and years
511      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
512      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
513      months and years.  Requires pkg/cal.
514    o diagnostics: add pickup functionality
515      - off by default for backwards compatibility
516      - current version only uses MDSIO -- MNC will be added
517    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
518    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
519    
520    checkpoint57d_post
521    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
522    o modify verification/ideal_2D_oce so that it tests the creation of mnc
523      output from the diagnostics package
524    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
525    o make genmake2 more portable by using ".$FS" instead of ".f" for more
526      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
527    o add coordinate variables to the MNC output from the diagnostics package
528    o change MNC-flags default value: true when useMNC=TRUE
529    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
530      the ability (off by default) to read the grid information using MNC
531    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
532    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
533    o do snap-shot diagnostics at the middle of the time-interval (instead of
534      at the end).
535    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
536      new test for AIM with thSIce + slab-ocean
537    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
538    o move state variable diagnostics to the beginning of the time step ;
539      (note: still needs some work specially for snap-shot diagnostics)
540      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
541    
542    checkpoint57c_post
543    o Change testing option (-ieee) to get closer agreement between g77 & ifort
544    o generate new output.txt files on faulks with g77 & the new -ieee option
545    checkpoint57c_pre
546    
547    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
548      update output.txt of exp. global_ocean.90x40x15
549    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
550      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
551    o add saltFlux(+File) forcing capability with periodicExternalForcing
552    o allow to use pkg diagnostics for GM-Redi & ThSIce output
553    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
554    o improvements for the MNC output from DIAGNOSTICS:
555      - correct handling of the unlimitied dimension
556      - all dims now have associated coordinate variables
557      - variables located at U, V, and Corner ("Z") points are now written
558        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
559        *all* data points are output
560    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
561    o added pkg/seaice/seaice_monitor.F
562    o mdsio_readfield.F can now read files visible only to master MPI process.
563    o pkg/seaice: some test code for ice-modified ocean stress
564    o exf_getffields interpolation defaults to bilinear for all scalar forcing
565      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
566      spurious negative numbers for precipitation and humidity.  Will cause
567      some small numerical differences for integrations using pkg/exf/exf_interp.F.
568    o pkg/ctrl/
569      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
570        May be enabled via doPackDiag
571      *  introduce z-scaling of
572         + gradient (doZscalePack) and
573         + control (doZscaleUnpack)
574    o pkg/mdsio/
575      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
576      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
577    
578    checkpoint57b_post
579    o simplify options in diagnostics_fill arguments (remove weird combinations)
580    o fix MNC coordinate variables so that they now contain per-face index
581      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
582      general, EXCH2 grids are only aligned to a "local" coordinate system
583    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
584    o Implement instantaneous output within pkg diagnostics:
585      setting a negative frequency in data.diagnostics produces
586     "snap-shot" output (as opposed to time-average if freq > 0)
587    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
588      NOTE: change ptracer diagnostics name: use 2 characters to work with
589            more than 9 tracers. Add also diagnostics of advect & diffus flux.
590    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
591      becomes the coordinate variable for the 'T' dimension
592    o add CF-style coordinate variables to MNC
593      - just a first cut:  numbers are meaningless on the cubesphere and
594        missing along the T axis but otherwise it works!
595    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
596    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
597    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
598      this is based directly on what the model compute, so that the content of
599      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
600    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
601    o clean up build options files for SunOS, in particular
602      - remove -traditional from xmakedepend
603      - change -xarch=v9 to -xarch=native for f77
604      - restore use of make (not gmake)
605      - add CC=gcc if using g77
606    o changes per discussion of AM, JMC, & EH3 today:
607      - move redundant "grid" variables out of "state" -- in preparation of
608        creating proper CF-style coordinate variables and in recognition
609        that any/all grid variables can be easily copied (eg. w/NCO) from
610        the grid files into any of the other NetCDF files
611      - *always* output grid variables with MDSIO (this will eventually be
612        changed)
613      - output MNC grid file if useMNC is true
614    o every instance of _END_MASTER() has been found and replaced with
615      _END_MASTER( myThid ) in order to satisfy certain picky Sun
616      preprocessors
617    o re-arrange diagnostics pkg initialisation:
618     - allow each package to extend the available diagnostics list
619     - add some checking and fix small problems (multi-threaded, ...)
620     - new S/R diagnostics_fill (replace fill_diagnostics):
621       look through the short list of active diag. (instead of the long list)
622       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
623    
624    checkpoint57a_post
625    o this set of changes restores TAMC compatibility
626      tested for global_ocean.90x40x15 adjoint on trough
627      (what a pain)
628    
629    checkpoint57a_pre
630    o some modifs in tools/build_options for sunos
631    o call ctrl_pack for ctrl at end for optimcycle=0
632    
633    checkpoint57
634    o add horizontal bi-harmonic viscosity for vertical velocity
635      - new parameter viscA4W (defaults to viscA4)
636      - affects only non-hydrostatic code
637      - to be done: no-slip lateral boundary conditions
638    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
639    o implement Implicit Vertical advection for pTracers
640    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
641      (implemented also for implicit vertical diffusion & advection)
642    o OBCS: extend application of tracer open boundary conditions
643      to a strip beyond the boundary of width Olx/Oly
644    o add call monitor to TAF set of required calls (flow directives)
645      and include in natl_box_adjoint
646    o untangle a few ifdefs related to cost, ctrl, autodiff
647      untangel a few ALLOW_ECCO_OPTIMIZATION
648    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
649      (theta2, salt2 in ecco_cost_weights)
650    
651    checkpoint56c_post
652    o OBCS as control variables
653      - update ctrl_ad_diff.list, obcs_ad_diff.list
654      - remove balance of obcs controls from default
655      - fix index bug nobcs in ctrl_init
656      - fix dummy fields filen in ctrl_pack
657      - add dummy weights for obcs
658    o lsopt: comment out fort.94 output
659    o optim:
660      - remove unnecessary header files
661      - adjusted namelists
662      - add xerbla.F to Makefile
663    o exf:
664      - multiple modifications of exf_check_range
665      - unit change in exf_init_runoff from [m/year] to [m/s]
666    o mdsio:
667      - i/o-vector change debugLevel from debLevA to debLevB
668    
669    checkpoint56b_post
670    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
671      is called from DO_THE_MODEL_IO
672      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
673      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
674      - clean up PTRACERS_WRITE_TIMEAVE a little
675    o add another verification experiment that tests both the cfc-pkg and
676      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
677      reactive tendencies treated inline with regular timestepping
678    o testreport previously did a lousy job of comparing small numbers, so
679      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
680      implemented in the little c-progam tmp_cmpnum.c which is embedded in
681      testreport.
682    o ptracers_monitor: bug fix for MPI
683    
684    checkpoint56a_post
685    o GCHEM: finish reorganizating the package
686      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
687        (introduces another 3D-array for each passive tracer, but only if
688        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
689        gchemTendency is not needed because the timestep is done separately)
690      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
691      - GCHEM is now---more or less cleanly---separate from PTRACERS
692      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
693        so clear to me how that should be done in a general way.
694    o CFC: improve formatting of output in CFC_ATMOS
695    o PTRACERS:
696      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
697        that ALL experiments with ptracers enable can be checked. This makes
698        GCHEM_MONITOR obsolete.
699      - include a runtime parameter PTRACERS_monitorFreq that defaults to
700        monitorFreq
701      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
702    o add PTRACERS (PTR0[1-5]) to testreport output
703    o exf_check_range:
704      * default changed to .TRUE.
705      * will check values for niter0 if debLevA, every timestep if debLevB
706      * STOP in exf_check_range if 'out of range'
707      * range chosen generous to allow for potential extema
708      TBD: a version with stricter range
709           permitted range would be runtime parameters
710  o GMredi:  o GMredi:
711    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
712    - 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 715  o GCHEM:
715    - 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
716      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
717    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
718      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
719        this flag is now only visible within GCHEM-pkg routines.
720      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
721        be replaced by a 3D array that is computed before thermodynamics; for
722        this, the tracer ID iTracer had to be included into the parameter list
723        of ptracers_forcing
724      - set up forward_step to call gchem_forcing, that will replace
725        gchem_forcing_int in ptracers_forcing
726      - cleaning up
727  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
728    
729  checkpoint56  checkpoint56

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