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revision 1.427 by dimitri, Wed Dec 22 07:27:07 2004 UTC revision 1.551 by baylor, Tue Sep 20 21:01:29 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    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
7      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
8      a maximum grid-scale Reynolds number.  Also, changes all length calculations
9      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
10      Suggested values of viscosity parameters found in mom_calc_visc.
11      Many new viscosity diagnostics available.
12    
13    checkpoint57s_post
14    o Add clearing-house for viscosity calculations, mom_calc_visc and
15      correct numerous bugs in LeithD and Smagorinsky discretizations.  
16      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
17      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
18      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
19      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
20      The Strain-Tension form is now called with useStrainTensonVisc=.true.
21      ViscAhStrain and viscAhTension are now retired.
22    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
23    o In response to JMC's bug report, genmake2 now ignores any soft-links
24      that it finds in the *current* directory when searching for files.
25      Soft-links found in any other source directories will still work as
26      they did before.
27    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
28      a C routine to unlimit the stack size
29    o mnc-ify pkg/aim snapshot vars
30    o mnc-ify pkg/land as requested by Daniel
31    o various changes to mnc including:
32      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
33      - output can now be grouped so that all files within a group
34          change the ITER portion of their names in lock-step together
35      - can now read ("global") PER-FACE (in addition to PER-TILE) files
36          and works with both EXCH1 and EXCH2 (but needs more testing)
37      - writing works for all verification test cases w/ g77 on Linux
38    
39    checkpoint57r_post
40    o make MNC variable initialization happen earlier
41    o add diagnostics for (almost) each term of the momentum Eq.
42    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
43    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
44    o remove MINIMAL_TAVE_OUTPUT option ;
45      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
46    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
47      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
48    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
49    o add time-dependent SST, SSS control
50    o cost terms in ecco/ modularized (new cost_generic.F)
51    o cost_averages routines are modularized (new cost_averagesgeneric.F)
52    o new infrastructure for seaice model vs. obs misfits in seaice/
53      * driver from the_main_loop.F is seaice_cost_driver.F
54      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
55      * gradient check in Exp. 6a of natl_box_adjoint/
56    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
57      (see README file)
58    
59    checkpoint57q_post
60    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
61    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
62      - bug was reported by Jean-Michel and Ian Fenty
63    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
64      update exp. cpl_aim+ocn output.
65    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
66      Needed for high-res. runs with large global files
67      to be able to limit tapelev size
68    o Changed some tests for adjoint:
69      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
70      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
71      * global_ocean.90x40x15/ back to default 3-level checkpointing
72    o Modifications to enable scripted COMMON to MODULE conversion
73      * verification/OpenAD/code/ has necessary scripts and description;
74      * converts, compiles and runs successfully;
75    
76    checkpoint57p_post
77    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
78    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
79      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
80    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
81    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
82      (was already the case for dissipation with mom_vecinv,
83       and also the case for grad.PhiHyd when staggered-timeStep)
84      This will allow to put dissipation out-off the AB time-stepping.
85     Unfortunately, affects truncation error. Update output of exp. that "fails"
86      (cg2d matching number) and leave the others for later: front_relax(10),
87      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
88      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
89    
90    checkpoint57o_post
91    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
92      (2) its ready to be documented during the 20050801 DocFest
93    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
94      for ideal_2D_oce and lab_sea on linux_ia32_g77
95    o set to #undef CTRL_SET_OLD_MAXCVARS_30
96      in global1x1_tot/code_seaice_adj to access indices 32, 33
97      (worth another tag)
98    
99    checkpoint57n_post
100    o adding precip control xx_precip 32
101    o adding swflux control xx_swflux 33
102    o Replacing 10 forcing penalty cost routines by 1 generic.
103    o Implementing partitioning in time-mean and variable adjustment
104      for atmos. state.
105    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
106    o in natl_box_adjoint:
107      * updated exp 1 to 10
108        (but does not have time-mean vs. variable split results yet)
109    o updated global1x1/*_seaice_adj/
110      to incorporate latest changes
111    o enable useSingleCpuIO for mdsio vector routines
112      (applies in particular to tapelev I/O)
113    o removed inefficient K-loop in all active_file*control*.F
114    
115    checkpoint57m_post
116    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
117      and advect_cs (use EXCH-2 and standard cs-32 grid files).
118    o pkg/exch2: filling of face-corner halo regions is optional
119      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
120    
121    checkpoint57l_post
122     tag before updating tutorials (pre-release-2)
123    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
124       for output and interpolation of input fields onto model grid)
125    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
126       Affects results of exp. rotating_tank ; update output.txt.
127    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
128          and taking the square quantity and/or using a fraction-weight field.
129    o fix aim_diagnostics_init.F mate numbers.
130    o add mnc output capability to diagnostics/diagstat and update
131      our cvsignore files for the ACSII output generated
132    
133    checkpoint57k_post
134    o lab_sea now uses diagnostics package and provides a suite of
135      new EXF diagnostics output.
136    
137    checkpoint57j_post
138    o exf
139      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
140        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
141        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
142      * extended diagnostics output
143        - now includes all EXF variables
144        - hs, hl moved to common block
145        - separate S/R for diagnostics, called after ctrl vector is added
146        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
147        - EXFqnet contains true Qnet (i.e. includes qsw)
148      * updated verif. lab_sea, global_with_exf
149      * Rearranging hflux (exf_mapfields -> exf_getforcing)
150        to ensure that diagnostics sees a true EXFqnet
151    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
152    o diagnostics pkg: change pointers so that 1 diagnostic can be used
153      several times with different frequencies.
154    o mnc-ify the thsice package as requested by Daniel Enderton
155      - the monitor--MNC output needs work
156      - many attributes need to be added (most are currently blank)
157    o mnc-ify theaim_v23 package as requested by Daniel Enderton
158      - many attributes need to be added (most are currently blank)
159    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
160    o add Sadourny like discretization to the 4th.O vorticity advection scheme
161    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
162      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
163         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
164    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
165     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
166    
167    checkpoint57i_post
168    o Diagnostics package was changed: diagnostic allocation is now deactivated
169      by setting an empty file name in the namelist (used to be by setting 0 frequency)
170    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
171      add 1rst Order upwind vertical Shear.
172    o add a quick fix for A/B checkpointing in OFFLINE mode
173    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
174      end-run around the C/Fortran linking horror in eesup/src/timers.F
175    o added pkg/runclock: allows user to terminate run based on wall clock
176    o added non-hydrostatic scaling parameter: nh_am2
177    o pkg/my82: futile attempt to make results compiler-independent by adding
178      some "_d 0", etc. no effect.
179    o for mnc output, fill the 'T' coordinate var with myTime and create a
180      separate 'iter' variable for iteration count
181    o pkg/diagnostics:
182      add new capability: output of Global/Regional & per-level statistics ;
183      tested against monitor output (including land & thSIce) on various exp.
184    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
185    
186    checkpoint57h_done
187      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
188      data.diagnostics, data.gchem, data.ptracers) is done.
189    
190    o pkg/diagnostics: prepare for Global/Regional statistics.
191      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
192    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
193      and rename it: DIFFERENT_MULTIPLE
194    
195    checkpoint57h_post
196    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
197    o pkg/diagnostics: change output frequency, now in seconds (instead
198      of Nb of iterations). This requires to change data.diagnostics.
199    checkpoint57h_pre
200    
201    o in mnc, let the user create the output dir if both mnc_outdir_date
202      and mnc_outdir_num are false
203    o add fflags() to pkg/diagnostics which allows one to specify, on a
204      per-file basis, the file precision [default behavior is unchanged]
205    o added diagnostics to pkg/kpp, including computation of mixed layer
206      depth based on a temperature/density criterion
207    o updated verification/natl_box to test the new pkg/kpp diagnostics
208    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
209    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
210    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
211      not mnc -- this mistake was found by JMC and is now corrected
212    
213    checkpoint57g_post
214    o add Adams-Bashforth 3rd Order time stepping:
215      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
216      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
217    checkpoint57g_pre
218    
219    o make lambda[Theta,Salt]ClimRelax spatially varying
220      (default remains spatially uniform constant based on tau)
221    o added new control variables
222      * init. uVel, vVel, etanN
223      * lambda[Theta,Salt]ClimRelax
224    o separate masks used for ctrl_pack/unpack 'from write_grid' output
225      (suggested by G. Forget)
226    
227    checkpoint57f_post
228    o add parameter "baseTime" = model base time = time at iteration zero
229      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
230      account for baseTime shift
231    o move Coriolis arrays from PARAMS.h to GRID.h
232    checkpoint57f_pre
233    
234    o mnc-ifying the seaice package
235    o introduced an alternative length scale calculation for use in the limiting
236      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
237    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
238    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
239      as well as grad(vort3).  Made it compatible with both approximate form
240      for the cubed sphere and full form of these gradients.  Added flag
241      useFullLeith to select between approximate and full form.  
242    o add "d0" in getcon.F to reduce differences between compilers/platforms
243      update output.txt of exp. fizhi-gridalt-hs
244    o change port_rand funtion to allow to set the seed.
245    o fix obscure MNC bug involving conversion between reals and integers
246      - it caused no problems with certain (eg. gcc, ifc) compilers but the
247        new version is now more standards-compliant
248    o adjoint-related modifications
249      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
250      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
251      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
252    
253    checkpoint57e_post
254    o Adding eddy stress controls a la Ferreira et al.
255    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
256    
257    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
258      update output.txt of exp. fizhi-gridalt-hs
259    o add more "Z" dimensions and associated coordinate vars to MNC
260    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
261    o parameter calendarDumps: when set, approximate months (30-31 days) and years
262      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
263      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
264      months and years.  Requires pkg/cal.
265    o diagnostics: add pickup functionality
266      - off by default for backwards compatibility
267      - current version only uses MDSIO -- MNC will be added
268    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
269    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
270    
271    checkpoint57d_post
272    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
273    o modify verification/ideal_2D_oce so that it tests the creation of mnc
274      output from the diagnostics package
275    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
276    o make genmake2 more portable by using ".$FS" instead of ".f" for more
277      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
278    o add coordinate variables to the MNC output from the diagnostics package
279    o change MNC-flags default value: true when useMNC=TRUE
280    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
281      the ability (off by default) to read the grid information using MNC
282    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
283    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
284    o do snap-shot diagnostics at the middle of the time-interval (instead of
285      at the end).
286    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
287      new test for AIM with thSIce + slab-ocean
288    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
289    o move state variable diagnostics to the beginning of the time step ;
290      (note: still needs some work specially for snap-shot diagnostics)
291      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
292    
293    checkpoint57c_post
294    o Change testing option (-ieee) to get closer agreement between g77 & ifort
295    o generate new output.txt files on faulks with g77 & the new -ieee option
296    checkpoint57c_pre
297    
298    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
299      update output.txt of exp. global_ocean.90x40x15
300    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
301      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
302    o add saltFlux(+File) forcing capability with periodicExternalForcing
303    o allow to use pkg diagnostics for GM-Redi & ThSIce output
304    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
305    o improvements for the MNC output from DIAGNOSTICS:
306      - correct handling of the unlimitied dimension
307      - all dims now have associated coordinate variables
308      - variables located at U, V, and Corner ("Z") points are now written
309        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
310        *all* data points are output
311    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
312    o added pkg/seaice/seaice_monitor.F
313  o mdsio_readfield.F can now read files visible only to master MPI process.  o mdsio_readfield.F can now read files visible only to master MPI process.
314  o pkg/seaice: some test code for ice-modified ocean stress  o pkg/seaice: some test code for ice-modified ocean stress
315  o exf_getffields interpolation defaults to bilinear for all scalar forcing  o exf_getffields interpolation defaults to bilinear for all scalar forcing
316    fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,    fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
317    spurious negative numbers for precipitation and humidity.  Will cause    spurious negative numbers for precipitation and humidity.  Will cause
318    some small numerical differences for integrations using pkg/exf/exf_interp.F.    some small numerical differences for integrations using pkg/exf/exf_interp.F.
319    o pkg/ctrl/
320      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
321        May be enabled via doPackDiag
322      *  introduce z-scaling of
323         + gradient (doZscalePack) and
324         + control (doZscaleUnpack)
325    o pkg/mdsio/
326      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
327      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
328    
329  checkpoint57b_post  checkpoint57b_post
330  o simplify options in diagnostics_fill arguments (remove weird combinations)  o simplify options in diagnostics_fill arguments (remove weird combinations)

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