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revision 1.455 by edhill, Sun Feb 20 04:31:54 2005 UTC revision 1.572 by jmc, Thu Oct 13 16:35:52 2005 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    checkpoint57v_post
8    o change dome exp. to use variable viscosity in side-drag terms.
9    o remove all the files from the cfc_offline test since they are now
10      incorporated into tutorial_cfc_offline which has been producing
11      identical results for a few days of testing
12    o add new parameter: sideDragFactor to enable half-slip-side BC
13      and change side-drag S/R to use viscosity from mom_calc_visc
14      (can switch back by setting sideDragFactor=0.); affects results at
15      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
16       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
17    o vorticity & strain are now computed without masking, to account for
18      no-slip-side BC in variable viscosity calculation ; mask is applied
19      anyway later on, before computing advection/coriolis terms.
20    o modify exp4 to test new obcs support reading from external files
21      and for passive tracers
22    o fix behavior of ptracers_monitor when monitor output is written to a
23      netcdf-file; still not independent of monitor.F (writes in the same
24      file).
25    o change default value of tRef (put a uniform, meaningful value for ocean
26      & atmos) and initialize sRef (was missing, as Martin mentioned).
27    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
28      to be proportional to enstrophy dissipation length.  Thus,
29       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
30      This is now consistent with Smagorinsky and with the manual.
31    
32    checkpoint57u_post
33    o OBCS and PTRACERS: add open boundary support for passive tracers
34      - either use homogenous (pseudo) v.Neumann conditions or prescribe
35        OB-values from file; this is not different from the way theta and salinity
36        are treated
37      - however, Orlanski-radiation conditions are not supported, and the model
38        will stop if you use pTracers and Orlanski at the same time.
39      - beefed up the rountine obcs_external_fields_load: now only those open
40        boundary values are overwritten with values from files for which there
41        are really files, otherwise the OB-fields remain untouched. This makes
42        it possible to use different OBs at different ends of the domain (as
43        with EXF)
44    o reduce number of exch calls in shap_filt (s2).
45    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
46      truncation level) 4/5 MLAdjust test results (11&12 digits match).
47    
48    checkpoint57t_post
49    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
50    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
51      same truncation, independent of the face number: affects affects several
52      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
53    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
54      note that biharmonic viscosity + no-slip was not tested in any experiment.
55    o fix bug in non-linear free-surf side-drag ; generate new output for
56      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
57    o make mnc honor the writeBinaryPrec flag for most kinds of output
58    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
59    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
60      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
61    o add brackets in multi-terms sum to get same truncation, independent of
62      the face number (manage to get exactly same value of gU,gV at the cs-edge)
63      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
64    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
65      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
66      a maximum grid-scale Reynolds number.  Also, changes all length calculations
67      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
68      Suggested values of viscosity parameters found in mom_calc_visc.
69      Many new viscosity diagnostics available.
70    
71    checkpoint57s_post
72    o Add clearing-house for viscosity calculations, mom_calc_visc and
73      correct numerous bugs in LeithD and Smagorinsky discretizations.  
74      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
75      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
76      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
77      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
78      The Strain-Tension form is now called with useStrainTensonVisc=.true.
79      ViscAhStrain and viscAhTension are now retired.
80    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
81    o In response to JMC's bug report, genmake2 now ignores any soft-links
82      that it finds in the *current* directory when searching for files.
83      Soft-links found in any other source directories will still work as
84      they did before.
85    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
86      a C routine to unlimit the stack size
87    o mnc-ify pkg/aim snapshot vars
88    o mnc-ify pkg/land as requested by Daniel
89    o various changes to mnc including:
90      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
91      - output can now be grouped so that all files within a group
92          change the ITER portion of their names in lock-step together
93      - can now read ("global") PER-FACE (in addition to PER-TILE) files
94          and works with both EXCH1 and EXCH2 (but needs more testing)
95      - writing works for all verification test cases w/ g77 on Linux
96    
97    checkpoint57r_post
98    o make MNC variable initialization happen earlier
99    o add diagnostics for (almost) each term of the momentum Eq.
100    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
101    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
102    o remove MINIMAL_TAVE_OUTPUT option ;
103      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
104    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
105      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
106    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
107    o add time-dependent SST, SSS control
108    o cost terms in ecco/ modularized (new cost_generic.F)
109    o cost_averages routines are modularized (new cost_averagesgeneric.F)
110    o new infrastructure for seaice model vs. obs misfits in seaice/
111      * driver from the_main_loop.F is seaice_cost_driver.F
112      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
113      * gradient check in Exp. 6a of natl_box_adjoint/
114    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
115      (see README file)
116    
117    checkpoint57q_post
118    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
119    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
120      - bug was reported by Jean-Michel and Ian Fenty
121    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
122      update exp. cpl_aim+ocn output.
123    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
124      Needed for high-res. runs with large global files
125      to be able to limit tapelev size
126    o Changed some tests for adjoint:
127      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
128      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
129      * global_ocean.90x40x15/ back to default 3-level checkpointing
130    o Modifications to enable scripted COMMON to MODULE conversion
131      * verification/OpenAD/code/ has necessary scripts and description;
132      * converts, compiles and runs successfully;
133    
134    checkpoint57p_post
135    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
136    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
137      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
138    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
139    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
140      (was already the case for dissipation with mom_vecinv,
141       and also the case for grad.PhiHyd when staggered-timeStep)
142      This will allow to put dissipation out-off the AB time-stepping.
143     Unfortunately, affects truncation error. Update output of exp. that "fails"
144      (cg2d matching number) and leave the others for later: front_relax(10),
145      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
146      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
147    
148    checkpoint57o_post
149    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
150      (2) its ready to be documented during the 20050801 DocFest
151    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
152      for ideal_2D_oce and lab_sea on linux_ia32_g77
153    o set to #undef CTRL_SET_OLD_MAXCVARS_30
154      in global1x1_tot/code_seaice_adj to access indices 32, 33
155      (worth another tag)
156    
157    checkpoint57n_post
158    o adding precip control xx_precip 32
159    o adding swflux control xx_swflux 33
160    o Replacing 10 forcing penalty cost routines by 1 generic.
161    o Implementing partitioning in time-mean and variable adjustment
162      for atmos. state.
163    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
164    o in natl_box_adjoint:
165      * updated exp 1 to 10
166        (but does not have time-mean vs. variable split results yet)
167    o updated global1x1/*_seaice_adj/
168      to incorporate latest changes
169    o enable useSingleCpuIO for mdsio vector routines
170      (applies in particular to tapelev I/O)
171    o removed inefficient K-loop in all active_file*control*.F
172    
173    checkpoint57m_post
174    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
175      and advect_cs (use EXCH-2 and standard cs-32 grid files).
176    o pkg/exch2: filling of face-corner halo regions is optional
177      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
178    
179    checkpoint57l_post
180     tag before updating tutorials (pre-release-2)
181    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
182       for output and interpolation of input fields onto model grid)
183    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
184       Affects results of exp. rotating_tank ; update output.txt.
185    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
186          and taking the square quantity and/or using a fraction-weight field.
187    o fix aim_diagnostics_init.F mate numbers.
188    o add mnc output capability to diagnostics/diagstat and update
189      our cvsignore files for the ACSII output generated
190    
191    checkpoint57k_post
192    o lab_sea now uses diagnostics package and provides a suite of
193      new EXF diagnostics output.
194    
195    checkpoint57j_post
196    o exf
197      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
198        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
199        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
200      * extended diagnostics output
201        - now includes all EXF variables
202        - hs, hl moved to common block
203        - separate S/R for diagnostics, called after ctrl vector is added
204        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
205        - EXFqnet contains true Qnet (i.e. includes qsw)
206      * updated verif. lab_sea, global_with_exf
207      * Rearranging hflux (exf_mapfields -> exf_getforcing)
208        to ensure that diagnostics sees a true EXFqnet
209    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
210    o diagnostics pkg: change pointers so that 1 diagnostic can be used
211      several times with different frequencies.
212    o mnc-ify the thsice package as requested by Daniel Enderton
213      - the monitor--MNC output needs work
214      - many attributes need to be added (most are currently blank)
215    o mnc-ify theaim_v23 package as requested by Daniel Enderton
216      - many attributes need to be added (most are currently blank)
217    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
218    o add Sadourny like discretization to the 4th.O vorticity advection scheme
219    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
220      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
221         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
222    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
223     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
224    
225    checkpoint57i_post
226    o Diagnostics package was changed: diagnostic allocation is now deactivated
227      by setting an empty file name in the namelist (used to be by setting 0 frequency)
228    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
229      add 1rst Order upwind vertical Shear.
230    o add a quick fix for A/B checkpointing in OFFLINE mode
231    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
232      end-run around the C/Fortran linking horror in eesup/src/timers.F
233    o added pkg/runclock: allows user to terminate run based on wall clock
234    o added non-hydrostatic scaling parameter: nh_am2
235    o pkg/my82: futile attempt to make results compiler-independent by adding
236      some "_d 0", etc. no effect.
237    o for mnc output, fill the 'T' coordinate var with myTime and create a
238      separate 'iter' variable for iteration count
239    o pkg/diagnostics:
240      add new capability: output of Global/Regional & per-level statistics ;
241      tested against monitor output (including land & thSIce) on various exp.
242    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
243    
244    checkpoint57h_done
245      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
246      data.diagnostics, data.gchem, data.ptracers) is done.
247    
248    o pkg/diagnostics: prepare for Global/Regional statistics.
249      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
250    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
251      and rename it: DIFFERENT_MULTIPLE
252    
253    checkpoint57h_post
254    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
255    o pkg/diagnostics: change output frequency, now in seconds (instead
256      of Nb of iterations). This requires to change data.diagnostics.
257    checkpoint57h_pre
258    
259    o in mnc, let the user create the output dir if both mnc_outdir_date
260      and mnc_outdir_num are false
261    o add fflags() to pkg/diagnostics which allows one to specify, on a
262      per-file basis, the file precision [default behavior is unchanged]
263    o added diagnostics to pkg/kpp, including computation of mixed layer
264      depth based on a temperature/density criterion
265    o updated verification/natl_box to test the new pkg/kpp diagnostics
266    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
267    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
268    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
269      not mnc -- this mistake was found by JMC and is now corrected
270    
271    checkpoint57g_post
272    o add Adams-Bashforth 3rd Order time stepping:
273      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
274      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
275    checkpoint57g_pre
276    
277    o make lambda[Theta,Salt]ClimRelax spatially varying
278      (default remains spatially uniform constant based on tau)
279    o added new control variables
280      * init. uVel, vVel, etanN
281      * lambda[Theta,Salt]ClimRelax
282    o separate masks used for ctrl_pack/unpack 'from write_grid' output
283      (suggested by G. Forget)
284    
285    checkpoint57f_post
286    o add parameter "baseTime" = model base time = time at iteration zero
287      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
288      account for baseTime shift
289    o move Coriolis arrays from PARAMS.h to GRID.h
290    checkpoint57f_pre
291    
292    o mnc-ifying the seaice package
293    o introduced an alternative length scale calculation for use in the limiting
294      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
295    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
296    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
297      as well as grad(vort3).  Made it compatible with both approximate form
298      for the cubed sphere and full form of these gradients.  Added flag
299      useFullLeith to select between approximate and full form.  
300    o add "d0" in getcon.F to reduce differences between compilers/platforms
301      update output.txt of exp. fizhi-gridalt-hs
302    o change port_rand funtion to allow to set the seed.
303    o fix obscure MNC bug involving conversion between reals and integers
304      - it caused no problems with certain (eg. gcc, ifc) compilers but the
305        new version is now more standards-compliant
306    o adjoint-related modifications
307      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
308      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
309      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
310    
311    checkpoint57e_post
312    o Adding eddy stress controls a la Ferreira et al.
313    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
314    
315    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
316      update output.txt of exp. fizhi-gridalt-hs
317    o add more "Z" dimensions and associated coordinate vars to MNC
318    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
319    o parameter calendarDumps: when set, approximate months (30-31 days) and years
320      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
321      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
322      months and years.  Requires pkg/cal.
323  o diagnostics: add pickup functionality  o diagnostics: add pickup functionality
324    - off by default for backwards compatibility    - off by default for backwards compatibility
325    - current version only uses MDSIO -- MNC will be added    - current version only uses MDSIO -- MNC will be added

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