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revision 1.426 by dimitri, Wed Dec 22 00:49:36 2004 UTC revision 1.567 by mlosch, Tue Oct 11 08:36:29 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    
7    o fix behavior of ptracers_monitor when monitor output is written to a
8      netcdf-file; still not independent of monitor.F (writes in the same
9      file).
10    o change default value of tRef (put a uniform, meaningful value for ocean
11      & atmos) and initialize sRef (was missing, as Martin mentioned).
12    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
13      to be proportional to enstrophy dissipation length.  Thus,
14       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
15      This is now consistent with Smagorinsky and with the manual.
16    
17    checkpoint57u_post
18    o OBCS and PTRACERS: add open boundary support for passive tracers
19      - either use homogenous (pseudo) v.Neumann conditions or prescribe
20        OB-values from file; this is not different from the way theta and salinity
21        are treated
22      - however, Orlanski-radiation conditions are not supported, and the model
23        will stop if you use pTracers and Orlanski at the same time.
24      - beefed up the rountine obcs_external_fields_load: now only those open
25        boundary values are overwritten with values from files for which there
26        are really files, otherwise the OB-fields remain untouched. This makes
27        it possible to use different OBs at different ends of the domain (as
28        with EXF)
29    o reduce number of exch calls in shap_filt (s2).
30    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
31      truncation level) 4/5 MLAdjust test results (11&12 digits match).
32    
33    checkpoint57t_post
34    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
35    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
36      same truncation, independent of the face number: affects affects several
37      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
38    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
39      note that biharmonic viscosity + no-slip was not tested in any experiment.
40    o fix bug in non-linear free-surf side-drag ; generate new output for
41      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
42    o make mnc honor the writeBinaryPrec flag for most kinds of output
43    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
44    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
45      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
46    o add brackets in multi-terms sum to get same truncation, independent of
47      the face number (manage to get exactly same value of gU,gV at the cs-edge)
48      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
49    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
50      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
51      a maximum grid-scale Reynolds number.  Also, changes all length calculations
52      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
53      Suggested values of viscosity parameters found in mom_calc_visc.
54      Many new viscosity diagnostics available.
55    
56    checkpoint57s_post
57    o Add clearing-house for viscosity calculations, mom_calc_visc and
58      correct numerous bugs in LeithD and Smagorinsky discretizations.  
59      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
60      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
61      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
62      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
63      The Strain-Tension form is now called with useStrainTensonVisc=.true.
64      ViscAhStrain and viscAhTension are now retired.
65    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
66    o In response to JMC's bug report, genmake2 now ignores any soft-links
67      that it finds in the *current* directory when searching for files.
68      Soft-links found in any other source directories will still work as
69      they did before.
70    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
71      a C routine to unlimit the stack size
72    o mnc-ify pkg/aim snapshot vars
73    o mnc-ify pkg/land as requested by Daniel
74    o various changes to mnc including:
75      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
76      - output can now be grouped so that all files within a group
77          change the ITER portion of their names in lock-step together
78      - can now read ("global") PER-FACE (in addition to PER-TILE) files
79          and works with both EXCH1 and EXCH2 (but needs more testing)
80      - writing works for all verification test cases w/ g77 on Linux
81    
82    checkpoint57r_post
83    o make MNC variable initialization happen earlier
84    o add diagnostics for (almost) each term of the momentum Eq.
85    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
86    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
87    o remove MINIMAL_TAVE_OUTPUT option ;
88      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
89    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
90      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
91    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
92    o add time-dependent SST, SSS control
93    o cost terms in ecco/ modularized (new cost_generic.F)
94    o cost_averages routines are modularized (new cost_averagesgeneric.F)
95    o new infrastructure for seaice model vs. obs misfits in seaice/
96      * driver from the_main_loop.F is seaice_cost_driver.F
97      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
98      * gradient check in Exp. 6a of natl_box_adjoint/
99    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
100      (see README file)
101    
102    checkpoint57q_post
103    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
104    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
105      - bug was reported by Jean-Michel and Ian Fenty
106    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
107      update exp. cpl_aim+ocn output.
108    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
109      Needed for high-res. runs with large global files
110      to be able to limit tapelev size
111    o Changed some tests for adjoint:
112      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
113      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
114      * global_ocean.90x40x15/ back to default 3-level checkpointing
115    o Modifications to enable scripted COMMON to MODULE conversion
116      * verification/OpenAD/code/ has necessary scripts and description;
117      * converts, compiles and runs successfully;
118    
119    checkpoint57p_post
120    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
121    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
122      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
123    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
124    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
125      (was already the case for dissipation with mom_vecinv,
126       and also the case for grad.PhiHyd when staggered-timeStep)
127      This will allow to put dissipation out-off the AB time-stepping.
128     Unfortunately, affects truncation error. Update output of exp. that "fails"
129      (cg2d matching number) and leave the others for later: front_relax(10),
130      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
131      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
132    
133    checkpoint57o_post
134    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
135      (2) its ready to be documented during the 20050801 DocFest
136    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
137      for ideal_2D_oce and lab_sea on linux_ia32_g77
138    o set to #undef CTRL_SET_OLD_MAXCVARS_30
139      in global1x1_tot/code_seaice_adj to access indices 32, 33
140      (worth another tag)
141    
142    checkpoint57n_post
143    o adding precip control xx_precip 32
144    o adding swflux control xx_swflux 33
145    o Replacing 10 forcing penalty cost routines by 1 generic.
146    o Implementing partitioning in time-mean and variable adjustment
147      for atmos. state.
148    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
149    o in natl_box_adjoint:
150      * updated exp 1 to 10
151        (but does not have time-mean vs. variable split results yet)
152    o updated global1x1/*_seaice_adj/
153      to incorporate latest changes
154    o enable useSingleCpuIO for mdsio vector routines
155      (applies in particular to tapelev I/O)
156    o removed inefficient K-loop in all active_file*control*.F
157    
158    checkpoint57m_post
159    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
160      and advect_cs (use EXCH-2 and standard cs-32 grid files).
161    o pkg/exch2: filling of face-corner halo regions is optional
162      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
163    
164    checkpoint57l_post
165     tag before updating tutorials (pre-release-2)
166    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
167       for output and interpolation of input fields onto model grid)
168    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
169       Affects results of exp. rotating_tank ; update output.txt.
170    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
171          and taking the square quantity and/or using a fraction-weight field.
172    o fix aim_diagnostics_init.F mate numbers.
173    o add mnc output capability to diagnostics/diagstat and update
174      our cvsignore files for the ACSII output generated
175    
176    checkpoint57k_post
177    o lab_sea now uses diagnostics package and provides a suite of
178      new EXF diagnostics output.
179    
180    checkpoint57j_post
181    o exf
182      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
183        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
184        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
185      * extended diagnostics output
186        - now includes all EXF variables
187        - hs, hl moved to common block
188        - separate S/R for diagnostics, called after ctrl vector is added
189        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
190        - EXFqnet contains true Qnet (i.e. includes qsw)
191      * updated verif. lab_sea, global_with_exf
192      * Rearranging hflux (exf_mapfields -> exf_getforcing)
193        to ensure that diagnostics sees a true EXFqnet
194    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
195    o diagnostics pkg: change pointers so that 1 diagnostic can be used
196      several times with different frequencies.
197    o mnc-ify the thsice package as requested by Daniel Enderton
198      - the monitor--MNC output needs work
199      - many attributes need to be added (most are currently blank)
200    o mnc-ify theaim_v23 package as requested by Daniel Enderton
201      - many attributes need to be added (most are currently blank)
202    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
203    o add Sadourny like discretization to the 4th.O vorticity advection scheme
204    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
205      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
206         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
207    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
208     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
209    
210    checkpoint57i_post
211    o Diagnostics package was changed: diagnostic allocation is now deactivated
212      by setting an empty file name in the namelist (used to be by setting 0 frequency)
213    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
214      add 1rst Order upwind vertical Shear.
215    o add a quick fix for A/B checkpointing in OFFLINE mode
216    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
217      end-run around the C/Fortran linking horror in eesup/src/timers.F
218    o added pkg/runclock: allows user to terminate run based on wall clock
219    o added non-hydrostatic scaling parameter: nh_am2
220    o pkg/my82: futile attempt to make results compiler-independent by adding
221      some "_d 0", etc. no effect.
222    o for mnc output, fill the 'T' coordinate var with myTime and create a
223      separate 'iter' variable for iteration count
224    o pkg/diagnostics:
225      add new capability: output of Global/Regional & per-level statistics ;
226      tested against monitor output (including land & thSIce) on various exp.
227    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
228    
229    checkpoint57h_done
230      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
231      data.diagnostics, data.gchem, data.ptracers) is done.
232    
233    o pkg/diagnostics: prepare for Global/Regional statistics.
234      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
235    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
236      and rename it: DIFFERENT_MULTIPLE
237    
238    checkpoint57h_post
239    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
240    o pkg/diagnostics: change output frequency, now in seconds (instead
241      of Nb of iterations). This requires to change data.diagnostics.
242    checkpoint57h_pre
243    
244    o in mnc, let the user create the output dir if both mnc_outdir_date
245      and mnc_outdir_num are false
246    o add fflags() to pkg/diagnostics which allows one to specify, on a
247      per-file basis, the file precision [default behavior is unchanged]
248    o added diagnostics to pkg/kpp, including computation of mixed layer
249      depth based on a temperature/density criterion
250    o updated verification/natl_box to test the new pkg/kpp diagnostics
251    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
252    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
253    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
254      not mnc -- this mistake was found by JMC and is now corrected
255    
256    checkpoint57g_post
257    o add Adams-Bashforth 3rd Order time stepping:
258      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
259      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
260    checkpoint57g_pre
261    
262    o make lambda[Theta,Salt]ClimRelax spatially varying
263      (default remains spatially uniform constant based on tau)
264    o added new control variables
265      * init. uVel, vVel, etanN
266      * lambda[Theta,Salt]ClimRelax
267    o separate masks used for ctrl_pack/unpack 'from write_grid' output
268      (suggested by G. Forget)
269    
270    checkpoint57f_post
271    o add parameter "baseTime" = model base time = time at iteration zero
272      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
273      account for baseTime shift
274    o move Coriolis arrays from PARAMS.h to GRID.h
275    checkpoint57f_pre
276    
277    o mnc-ifying the seaice package
278    o introduced an alternative length scale calculation for use in the limiting
279      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
280    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
281    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
282      as well as grad(vort3).  Made it compatible with both approximate form
283      for the cubed sphere and full form of these gradients.  Added flag
284      useFullLeith to select between approximate and full form.  
285    o add "d0" in getcon.F to reduce differences between compilers/platforms
286      update output.txt of exp. fizhi-gridalt-hs
287    o change port_rand funtion to allow to set the seed.
288    o fix obscure MNC bug involving conversion between reals and integers
289      - it caused no problems with certain (eg. gcc, ifc) compilers but the
290        new version is now more standards-compliant
291    o adjoint-related modifications
292      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
293      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
294      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
295    
296    checkpoint57e_post
297    o Adding eddy stress controls a la Ferreira et al.
298    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
299    
300    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
301      update output.txt of exp. fizhi-gridalt-hs
302    o add more "Z" dimensions and associated coordinate vars to MNC
303    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
304    o parameter calendarDumps: when set, approximate months (30-31 days) and years
305      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
306      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
307      months and years.  Requires pkg/cal.
308    o diagnostics: add pickup functionality
309      - off by default for backwards compatibility
310      - current version only uses MDSIO -- MNC will be added
311    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
312    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
313    
314    checkpoint57d_post
315    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
316    o modify verification/ideal_2D_oce so that it tests the creation of mnc
317      output from the diagnostics package
318    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
319    o make genmake2 more portable by using ".$FS" instead of ".f" for more
320      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
321    o add coordinate variables to the MNC output from the diagnostics package
322    o change MNC-flags default value: true when useMNC=TRUE
323    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
324      the ability (off by default) to read the grid information using MNC
325    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
326    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
327    o do snap-shot diagnostics at the middle of the time-interval (instead of
328      at the end).
329    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
330      new test for AIM with thSIce + slab-ocean
331    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
332    o move state variable diagnostics to the beginning of the time step ;
333      (note: still needs some work specially for snap-shot diagnostics)
334      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
335    
336    checkpoint57c_post
337    o Change testing option (-ieee) to get closer agreement between g77 & ifort
338    o generate new output.txt files on faulks with g77 & the new -ieee option
339    checkpoint57c_pre
340    
341    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
342      update output.txt of exp. global_ocean.90x40x15
343    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
344      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
345    o add saltFlux(+File) forcing capability with periodicExternalForcing
346    o allow to use pkg diagnostics for GM-Redi & ThSIce output
347    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
348    o improvements for the MNC output from DIAGNOSTICS:
349      - correct handling of the unlimitied dimension
350      - all dims now have associated coordinate variables
351      - variables located at U, V, and Corner ("Z") points are now written
352        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
353        *all* data points are output
354    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
355    o added pkg/seaice/seaice_monitor.F
356    o mdsio_readfield.F can now read files visible only to master MPI process.
357  o pkg/seaice: some test code for ice-modified ocean stress  o pkg/seaice: some test code for ice-modified ocean stress
358  o exf_getffields interpolation defaults to bilinear for all scalar forcing  o exf_getffields interpolation defaults to bilinear for all scalar forcing
359    fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,    fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
360    spurious negative numbers for precipitation and humidity.  Will cause    spurious negative numbers for precipitation and humidity.  Will cause
361    some small numerical differences for integrations using pkg/exf/exf_interp.F.    some small numerical differences for integrations using pkg/exf/exf_interp.F.
362    o pkg/ctrl/
363      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
364        May be enabled via doPackDiag
365      *  introduce z-scaling of
366         + gradient (doZscalePack) and
367         + control (doZscaleUnpack)
368    o pkg/mdsio/
369      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
370      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
371    
372  checkpoint57b_post  checkpoint57b_post
373  o simplify options in diagnostics_fill arguments (remove weird combinations)  o simplify options in diagnostics_fill arguments (remove weird combinations)

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