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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.578 by jmc, Sat Nov 5 01:10:21 2005 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  o adding precip control xx_precip  o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
8  o moved ptracer ctrl index 17 -> 32  o remove some unused variables (reduces number of compiler warnings)
9    
10    checkpoint57w_post
11    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
12                 fix the singleCpuIO RS version of MDSWRITEFIELD
13       and add a WARNING if using globalFiles=T with multi-processors.
14    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
15      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
16    o tracer advection scheme:
17      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
18       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
19       was not very convenient).
20      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
21       (further tests needed for the implicit DST & Flux-Limiter schemes).
22    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
23      and sRef for convenience, handy, when you want to initialize
24      ptracers in a large domain with a constant non-zero value. Also,
25      untangle ptracers_init.F a little.
26    
27    checkpoint57v_post
28    o change dome exp. to use variable viscosity in side-drag terms.
29    o remove all the files from the cfc_offline test since they are now
30      incorporated into tutorial_cfc_offline which has been producing
31      identical results for a few days of testing
32    o add new parameter: sideDragFactor to enable half-slip-side BC
33      and change side-drag S/R to use viscosity from mom_calc_visc
34      (can switch back by setting sideDragFactor=0.); affects results at
35      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
36       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
37    o vorticity & strain are now computed without masking, to account for
38      no-slip-side BC in variable viscosity calculation ; mask is applied
39      anyway later on, before computing advection/coriolis terms.
40    o modify exp4 to test new obcs support for reading from external files
41      and for passive tracers
42    o fix behavior of ptracers_monitor when monitor output is written to a
43      netcdf-file; still not independent of monitor.F (writes in the same
44      file).
45    o change default value of tRef (put a uniform, meaningful value for ocean
46      & atmos) and initialize sRef (was missing, as Martin mentioned).
47    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
48      to be proportional to enstrophy dissipation length.  Thus,
49       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
50      This is now consistent with Smagorinsky and with the manual.
51    
52    checkpoint57u_post
53    o OBCS and PTRACERS: add open boundary support for passive tracers
54      - either use homogenous (pseudo) v.Neumann conditions or prescribe
55        OB-values from file; this is not different from the way theta and salinity
56        are treated
57      - however, Orlanski-radiation conditions are not supported, and the model
58        will stop if you use pTracers and Orlanski at the same time.
59      - beefed up the rountine obcs_external_fields_load: now only those open
60        boundary values are overwritten with values from files for which there
61        are really files, otherwise the OB-fields remain untouched. This makes
62        it possible to use different OBs at different ends of the domain (as
63        with EXF)
64    o reduce number of exch calls in shap_filt (s2).
65    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
66      truncation level) 4/5 MLAdjust test results (11&12 digits match).
67    
68    checkpoint57t_post
69    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
70    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
71      same truncation, independent of the face number: affects affects several
72      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
73    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
74      note that biharmonic viscosity + no-slip was not tested in any experiment.
75    o fix bug in non-linear free-surf side-drag ; generate new output for
76      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
77    o make mnc honor the writeBinaryPrec flag for most kinds of output
78    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
79    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
80      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
81    o add brackets in multi-terms sum to get same truncation, independent of
82      the face number (manage to get exactly same value of gU,gV at the cs-edge)
83      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
84    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
85      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
86      a maximum grid-scale Reynolds number.  Also, changes all length calculations
87      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
88      Suggested values of viscosity parameters found in mom_calc_visc.
89      Many new viscosity diagnostics available.
90    
91    checkpoint57s_post
92    o Add clearing-house for viscosity calculations, mom_calc_visc and
93      correct numerous bugs in LeithD and Smagorinsky discretizations.  
94      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
95      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
96      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
97      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
98      The Strain-Tension form is now called with useStrainTensonVisc=.true.
99      ViscAhStrain and viscAhTension are now retired.
100    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
101    o In response to JMC's bug report, genmake2 now ignores any soft-links
102      that it finds in the *current* directory when searching for files.
103      Soft-links found in any other source directories will still work as
104      they did before.
105    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
106      a C routine to unlimit the stack size
107    o mnc-ify pkg/aim snapshot vars
108    o mnc-ify pkg/land as requested by Daniel
109    o various changes to mnc including:
110      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
111      - output can now be grouped so that all files within a group
112          change the ITER portion of their names in lock-step together
113      - can now read ("global") PER-FACE (in addition to PER-TILE) files
114          and works with both EXCH1 and EXCH2 (but needs more testing)
115      - writing works for all verification test cases w/ g77 on Linux
116    
117    checkpoint57r_post
118    o make MNC variable initialization happen earlier
119    o add diagnostics for (almost) each term of the momentum Eq.
120    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
121    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
122    o remove MINIMAL_TAVE_OUTPUT option ;
123      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
124    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
125      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
126    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
127    o add time-dependent SST, SSS control
128    o cost terms in ecco/ modularized (new cost_generic.F)
129    o cost_averages routines are modularized (new cost_averagesgeneric.F)
130    o new infrastructure for seaice model vs. obs misfits in seaice/
131      * driver from the_main_loop.F is seaice_cost_driver.F
132      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
133      * gradient check in Exp. 6a of natl_box_adjoint/
134    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
135      (see README file)
136    
137    checkpoint57q_post
138    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
139    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
140      - bug was reported by Jean-Michel and Ian Fenty
141    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
142      update exp. cpl_aim+ocn output.
143    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
144      Needed for high-res. runs with large global files
145      to be able to limit tapelev size
146    o Changed some tests for adjoint:
147      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
148      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
149      * global_ocean.90x40x15/ back to default 3-level checkpointing
150    o Modifications to enable scripted COMMON to MODULE conversion
151      * verification/OpenAD/code/ has necessary scripts and description;
152      * converts, compiles and runs successfully;
153    
154    checkpoint57p_post
155    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
156    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
157      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
158    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
159    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
160      (was already the case for dissipation with mom_vecinv,
161       and also the case for grad.PhiHyd when staggered-timeStep)
162      This will allow to put dissipation out-off the AB time-stepping.
163     Unfortunately, affects truncation error. Update output of exp. that "fails"
164      (cg2d matching number) and leave the others for later: front_relax(10),
165      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
166      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
167    
168    checkpoint57o_post
169    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
170      (2) its ready to be documented during the 20050801 DocFest
171    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
172      for ideal_2D_oce and lab_sea on linux_ia32_g77
173    o set to #undef CTRL_SET_OLD_MAXCVARS_30
174      in global1x1_tot/code_seaice_adj to access indices 32, 33
175      (worth another tag)
176    
177    checkpoint57n_post
178    o adding precip control xx_precip 32
179    o adding swflux control xx_swflux 33
180    o Replacing 10 forcing penalty cost routines by 1 generic.
181    o Implementing partitioning in time-mean and variable adjustment
182      for atmos. state.
183    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
184  o in natl_box_adjoint:  o in natl_box_adjoint:
185    * updated: results_bulk/    * updated exp 1 to 10
186    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
187    o updated global1x1/*_seaice_adj/
188      to incorporate latest changes
189    o enable useSingleCpuIO for mdsio vector routines
190      (applies in particular to tapelev I/O)
191    o removed inefficient K-loop in all active_file*control*.F
192    
193  checkpoint57m_post  checkpoint57m_post
194  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)

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