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revision 1.474 by jmc, Fri Apr 8 18:31:46 2005 UTC revision 1.584 by stephd, Tue Dec 6 17:57:40 2005 UTC
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1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o add new offset feature to offline pkg (plus minor cleanup)
8    o cfc fixes for final year of integration
9    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
10      be in GCHEM_OPTIONS).
11    
12    checkpoint57x_post
13    o fix testreport Pb in multiple test experiment.
14    o cleanup our namelist syntax in verification:
15      - make it more F95 standards compliant (some work still needed)
16      - allows the vast majority of our tests to work with gfortran
17    o Non-Hydrostatic:
18     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
19     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
20    o Allow to apply AB on T,S rather than on AB(gT,gS):
21     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
22     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
23       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
24     - need a "clever" read_pickup to restart from the other AB formulation
25    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
26    o remove some unused variables (reduces number of compiler warnings)
27    o adjoint
28      * Disable useVariableViscosity for adjoint for time being
29        (there are a number of extensive recomputations)
30      * Initialize certain variables needed for adjoint
31    
32    checkpoint57w_post
33    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
34                 fix the singleCpuIO RS version of MDSWRITEFIELD
35       and add a WARNING if using globalFiles=T with multi-processors.
36    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
37      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
38    o tracer advection scheme:
39      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
40       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
41       was not very convenient).
42      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
43       (further tests needed for the implicit DST & Flux-Limiter schemes).
44    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
45      and sRef for convenience, handy, when you want to initialize
46      ptracers in a large domain with a constant non-zero value. Also,
47      untangle ptracers_init.F a little.
48    
49    checkpoint57v_post
50    o change dome exp. to use variable viscosity in side-drag terms.
51    o remove all the files from the cfc_offline test since they are now
52      incorporated into tutorial_cfc_offline which has been producing
53      identical results for a few days of testing
54    o add new parameter: sideDragFactor to enable half-slip-side BC
55      and change side-drag S/R to use viscosity from mom_calc_visc
56      (can switch back by setting sideDragFactor=0.); affects results at
57      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
58       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
59    o vorticity & strain are now computed without masking, to account for
60      no-slip-side BC in variable viscosity calculation ; mask is applied
61      anyway later on, before computing advection/coriolis terms.
62    o modify exp4 to test new obcs support for reading from external files
63      and for passive tracers
64    o fix behavior of ptracers_monitor when monitor output is written to a
65      netcdf-file; still not independent of monitor.F (writes in the same
66      file).
67    o change default value of tRef (put a uniform, meaningful value for ocean
68      & atmos) and initialize sRef (was missing, as Martin mentioned).
69    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
70      to be proportional to enstrophy dissipation length.  Thus,
71       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
72      This is now consistent with Smagorinsky and with the manual.
73    
74    checkpoint57u_post
75    o OBCS and PTRACERS: add open boundary support for passive tracers
76      - either use homogenous (pseudo) v.Neumann conditions or prescribe
77        OB-values from file; this is not different from the way theta and salinity
78        are treated
79      - however, Orlanski-radiation conditions are not supported, and the model
80        will stop if you use pTracers and Orlanski at the same time.
81      - beefed up the rountine obcs_external_fields_load: now only those open
82        boundary values are overwritten with values from files for which there
83        are really files, otherwise the OB-fields remain untouched. This makes
84        it possible to use different OBs at different ends of the domain (as
85        with EXF)
86    o reduce number of exch calls in shap_filt (s2).
87    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
88      truncation level) 4/5 MLAdjust test results (11&12 digits match).
89    
90    checkpoint57t_post
91    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
92    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
93      same truncation, independent of the face number: affects affects several
94      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
95    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
96      note that biharmonic viscosity + no-slip was not tested in any experiment.
97    o fix bug in non-linear free-surf side-drag ; generate new output for
98      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
99    o make mnc honor the writeBinaryPrec flag for most kinds of output
100    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
101    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
102      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
103    o add brackets in multi-terms sum to get same truncation, independent of
104      the face number (manage to get exactly same value of gU,gV at the cs-edge)
105      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
106    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
107      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
108      a maximum grid-scale Reynolds number.  Also, changes all length calculations
109      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
110      Suggested values of viscosity parameters found in mom_calc_visc.
111      Many new viscosity diagnostics available.
112    
113    checkpoint57s_post
114    o Add clearing-house for viscosity calculations, mom_calc_visc and
115      correct numerous bugs in LeithD and Smagorinsky discretizations.  
116      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
117      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
118      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
119      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
120      The Strain-Tension form is now called with useStrainTensonVisc=.true.
121      ViscAhStrain and viscAhTension are now retired.
122    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
123    o In response to JMC's bug report, genmake2 now ignores any soft-links
124      that it finds in the *current* directory when searching for files.
125      Soft-links found in any other source directories will still work as
126      they did before.
127    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
128      a C routine to unlimit the stack size
129    o mnc-ify pkg/aim snapshot vars
130    o mnc-ify pkg/land as requested by Daniel
131    o various changes to mnc including:
132      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
133      - output can now be grouped so that all files within a group
134          change the ITER portion of their names in lock-step together
135      - can now read ("global") PER-FACE (in addition to PER-TILE) files
136          and works with both EXCH1 and EXCH2 (but needs more testing)
137      - writing works for all verification test cases w/ g77 on Linux
138    
139    checkpoint57r_post
140    o make MNC variable initialization happen earlier
141    o add diagnostics for (almost) each term of the momentum Eq.
142    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
143    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
144    o remove MINIMAL_TAVE_OUTPUT option ;
145      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
146    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
147      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
148    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
149    o add time-dependent SST, SSS control
150    o cost terms in ecco/ modularized (new cost_generic.F)
151    o cost_averages routines are modularized (new cost_averagesgeneric.F)
152    o new infrastructure for seaice model vs. obs misfits in seaice/
153      * driver from the_main_loop.F is seaice_cost_driver.F
154      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
155      * gradient check in Exp. 6a of natl_box_adjoint/
156    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
157      (see README file)
158    
159    checkpoint57q_post
160    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
161    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
162      - bug was reported by Jean-Michel and Ian Fenty
163    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
164      update exp. cpl_aim+ocn output.
165    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
166      Needed for high-res. runs with large global files
167      to be able to limit tapelev size
168    o Changed some tests for adjoint:
169      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
170      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
171      * global_ocean.90x40x15/ back to default 3-level checkpointing
172    o Modifications to enable scripted COMMON to MODULE conversion
173      * verification/OpenAD/code/ has necessary scripts and description;
174      * converts, compiles and runs successfully;
175    
176    checkpoint57p_post
177    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
178    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
179      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
180    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
181    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
182      (was already the case for dissipation with mom_vecinv,
183       and also the case for grad.PhiHyd when staggered-timeStep)
184      This will allow to put dissipation out-off the AB time-stepping.
185     Unfortunately, affects truncation error. Update output of exp. that "fails"
186      (cg2d matching number) and leave the others for later: front_relax(10),
187      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
188      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
189    
190    checkpoint57o_post
191    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
192      (2) its ready to be documented during the 20050801 DocFest
193    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
194      for ideal_2D_oce and lab_sea on linux_ia32_g77
195    o set to #undef CTRL_SET_OLD_MAXCVARS_30
196      in global1x1_tot/code_seaice_adj to access indices 32, 33
197      (worth another tag)
198    
199    checkpoint57n_post
200    o adding precip control xx_precip 32
201    o adding swflux control xx_swflux 33
202    o Replacing 10 forcing penalty cost routines by 1 generic.
203    o Implementing partitioning in time-mean and variable adjustment
204      for atmos. state.
205    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
206    o in natl_box_adjoint:
207      * updated exp 1 to 10
208        (but does not have time-mean vs. variable split results yet)
209    o updated global1x1/*_seaice_adj/
210      to incorporate latest changes
211    o enable useSingleCpuIO for mdsio vector routines
212      (applies in particular to tapelev I/O)
213    o removed inefficient K-loop in all active_file*control*.F
214    
215    checkpoint57m_post
216    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
217      and advect_cs (use EXCH-2 and standard cs-32 grid files).
218    o pkg/exch2: filling of face-corner halo regions is optional
219      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
220    
221    checkpoint57l_post
222     tag before updating tutorials (pre-release-2)
223    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
224       for output and interpolation of input fields onto model grid)
225    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
226       Affects results of exp. rotating_tank ; update output.txt.
227    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
228          and taking the square quantity and/or using a fraction-weight field.
229    o fix aim_diagnostics_init.F mate numbers.
230    o add mnc output capability to diagnostics/diagstat and update
231      our cvsignore files for the ACSII output generated
232    
233    checkpoint57k_post
234    o lab_sea now uses diagnostics package and provides a suite of
235      new EXF diagnostics output.
236    
237    checkpoint57j_post
238    o exf
239      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
240        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
241        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
242      * extended diagnostics output
243        - now includes all EXF variables
244        - hs, hl moved to common block
245        - separate S/R for diagnostics, called after ctrl vector is added
246        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
247        - EXFqnet contains true Qnet (i.e. includes qsw)
248      * updated verif. lab_sea, global_with_exf
249      * Rearranging hflux (exf_mapfields -> exf_getforcing)
250        to ensure that diagnostics sees a true EXFqnet
251    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
252    o diagnostics pkg: change pointers so that 1 diagnostic can be used
253      several times with different frequencies.
254    o mnc-ify the thsice package as requested by Daniel Enderton
255      - the monitor--MNC output needs work
256      - many attributes need to be added (most are currently blank)
257    o mnc-ify theaim_v23 package as requested by Daniel Enderton
258      - many attributes need to be added (most are currently blank)
259    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
260    o add Sadourny like discretization to the 4th.O vorticity advection scheme
261    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
262      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
263         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
264    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
265     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
266    
267    checkpoint57i_post
268    o Diagnostics package was changed: diagnostic allocation is now deactivated
269      by setting an empty file name in the namelist (used to be by setting 0 frequency)
270    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
271      add 1rst Order upwind vertical Shear.
272    o add a quick fix for A/B checkpointing in OFFLINE mode
273    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
274      end-run around the C/Fortran linking horror in eesup/src/timers.F
275    o added pkg/runclock: allows user to terminate run based on wall clock
276    o added non-hydrostatic scaling parameter: nh_am2
277    o pkg/my82: futile attempt to make results compiler-independent by adding
278      some "_d 0", etc. no effect.
279    o for mnc output, fill the 'T' coordinate var with myTime and create a
280      separate 'iter' variable for iteration count
281    o pkg/diagnostics:
282      add new capability: output of Global/Regional & per-level statistics ;
283      tested against monitor output (including land & thSIce) on various exp.
284    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
285    
286    checkpoint57h_done
287      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
288      data.diagnostics, data.gchem, data.ptracers) is done.
289    
290    o pkg/diagnostics: prepare for Global/Regional statistics.
291      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
292    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
293      and rename it: DIFFERENT_MULTIPLE
294    
295    checkpoint57h_post
296    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
297    o pkg/diagnostics: change output frequency, now in seconds (instead
298      of Nb of iterations). This requires to change data.diagnostics.
299    checkpoint57h_pre
300    
301    o in mnc, let the user create the output dir if both mnc_outdir_date
302      and mnc_outdir_num are false
303    o add fflags() to pkg/diagnostics which allows one to specify, on a
304      per-file basis, the file precision [default behavior is unchanged]
305    o added diagnostics to pkg/kpp, including computation of mixed layer
306      depth based on a temperature/density criterion
307    o updated verification/natl_box to test the new pkg/kpp diagnostics
308    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
309    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
310    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
311      not mnc -- this mistake was found by JMC and is now corrected
312    
313    checkpoint57g_post
314    o add Adams-Bashforth 3rd Order time stepping:
315      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
316      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
317    checkpoint57g_pre
318    
319  o make lambda[Theta,Salt]ClimRelax spatially varying  o make lambda[Theta,Salt]ClimRelax spatially varying
320    (default remains spatially uniform constant based on tau)    (default remains spatially uniform constant based on tau)
321  o added new control variables  o added new control variables

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