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revision 1.513 by jmc, Wed Jul 13 00:50:58 2005 UTC revision 1.583 by jmc, Sun Dec 4 22:14:06 2005 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint57x_post
8    o fix testreport Pb in multiple test experiment.
9    o cleanup our namelist syntax in verification:
10      - make it more F95 standards compliant (some work still needed)
11      - allows the vast majority of our tests to work with gfortran
12    o Non-Hydrostatic:
13     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
14     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
15    o Allow to apply AB on T,S rather than on AB(gT,gS):
16     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
17     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
18       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
19     - need a "clever" read_pickup to restart from the other AB formulation
20    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
21    o remove some unused variables (reduces number of compiler warnings)
22    o adjoint
23      * Disable useVariableViscosity for adjoint for time being
24        (there are a number of extensive recomputations)
25      * Initialize certain variables needed for adjoint
26    
27    checkpoint57w_post
28    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
29                 fix the singleCpuIO RS version of MDSWRITEFIELD
30       and add a WARNING if using globalFiles=T with multi-processors.
31    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
32      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
33    o tracer advection scheme:
34      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
35       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
36       was not very convenient).
37      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
38       (further tests needed for the implicit DST & Flux-Limiter schemes).
39    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
40      and sRef for convenience, handy, when you want to initialize
41      ptracers in a large domain with a constant non-zero value. Also,
42      untangle ptracers_init.F a little.
43    
44    checkpoint57v_post
45    o change dome exp. to use variable viscosity in side-drag terms.
46    o remove all the files from the cfc_offline test since they are now
47      incorporated into tutorial_cfc_offline which has been producing
48      identical results for a few days of testing
49    o add new parameter: sideDragFactor to enable half-slip-side BC
50      and change side-drag S/R to use viscosity from mom_calc_visc
51      (can switch back by setting sideDragFactor=0.); affects results at
52      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
53       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
54    o vorticity & strain are now computed without masking, to account for
55      no-slip-side BC in variable viscosity calculation ; mask is applied
56      anyway later on, before computing advection/coriolis terms.
57    o modify exp4 to test new obcs support for reading from external files
58      and for passive tracers
59    o fix behavior of ptracers_monitor when monitor output is written to a
60      netcdf-file; still not independent of monitor.F (writes in the same
61      file).
62    o change default value of tRef (put a uniform, meaningful value for ocean
63      & atmos) and initialize sRef (was missing, as Martin mentioned).
64    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
65      to be proportional to enstrophy dissipation length.  Thus,
66       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
67      This is now consistent with Smagorinsky and with the manual.
68    
69    checkpoint57u_post
70    o OBCS and PTRACERS: add open boundary support for passive tracers
71      - either use homogenous (pseudo) v.Neumann conditions or prescribe
72        OB-values from file; this is not different from the way theta and salinity
73        are treated
74      - however, Orlanski-radiation conditions are not supported, and the model
75        will stop if you use pTracers and Orlanski at the same time.
76      - beefed up the rountine obcs_external_fields_load: now only those open
77        boundary values are overwritten with values from files for which there
78        are really files, otherwise the OB-fields remain untouched. This makes
79        it possible to use different OBs at different ends of the domain (as
80        with EXF)
81    o reduce number of exch calls in shap_filt (s2).
82    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
83      truncation level) 4/5 MLAdjust test results (11&12 digits match).
84    
85    checkpoint57t_post
86    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
87    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
88      same truncation, independent of the face number: affects affects several
89      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
90    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
91      note that biharmonic viscosity + no-slip was not tested in any experiment.
92    o fix bug in non-linear free-surf side-drag ; generate new output for
93      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
94    o make mnc honor the writeBinaryPrec flag for most kinds of output
95    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
96    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
97      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
98    o add brackets in multi-terms sum to get same truncation, independent of
99      the face number (manage to get exactly same value of gU,gV at the cs-edge)
100      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
101    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
102      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
103      a maximum grid-scale Reynolds number.  Also, changes all length calculations
104      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
105      Suggested values of viscosity parameters found in mom_calc_visc.
106      Many new viscosity diagnostics available.
107    
108    checkpoint57s_post
109    o Add clearing-house for viscosity calculations, mom_calc_visc and
110      correct numerous bugs in LeithD and Smagorinsky discretizations.  
111      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
112      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
113      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
114      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
115      The Strain-Tension form is now called with useStrainTensonVisc=.true.
116      ViscAhStrain and viscAhTension are now retired.
117    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
118    o In response to JMC's bug report, genmake2 now ignores any soft-links
119      that it finds in the *current* directory when searching for files.
120      Soft-links found in any other source directories will still work as
121      they did before.
122    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
123      a C routine to unlimit the stack size
124    o mnc-ify pkg/aim snapshot vars
125    o mnc-ify pkg/land as requested by Daniel
126    o various changes to mnc including:
127      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
128      - output can now be grouped so that all files within a group
129          change the ITER portion of their names in lock-step together
130      - can now read ("global") PER-FACE (in addition to PER-TILE) files
131          and works with both EXCH1 and EXCH2 (but needs more testing)
132      - writing works for all verification test cases w/ g77 on Linux
133    
134    checkpoint57r_post
135    o make MNC variable initialization happen earlier
136    o add diagnostics for (almost) each term of the momentum Eq.
137    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
138    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
139    o remove MINIMAL_TAVE_OUTPUT option ;
140      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
141    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
142      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
143    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
144    o add time-dependent SST, SSS control
145    o cost terms in ecco/ modularized (new cost_generic.F)
146    o cost_averages routines are modularized (new cost_averagesgeneric.F)
147    o new infrastructure for seaice model vs. obs misfits in seaice/
148      * driver from the_main_loop.F is seaice_cost_driver.F
149      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
150      * gradient check in Exp. 6a of natl_box_adjoint/
151    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
152      (see README file)
153    
154    checkpoint57q_post
155    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
156    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
157      - bug was reported by Jean-Michel and Ian Fenty
158    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
159      update exp. cpl_aim+ocn output.
160    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
161      Needed for high-res. runs with large global files
162      to be able to limit tapelev size
163    o Changed some tests for adjoint:
164      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
165      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
166      * global_ocean.90x40x15/ back to default 3-level checkpointing
167    o Modifications to enable scripted COMMON to MODULE conversion
168      * verification/OpenAD/code/ has necessary scripts and description;
169      * converts, compiles and runs successfully;
170    
171    checkpoint57p_post
172    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
173    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
174      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
175    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
176    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
177      (was already the case for dissipation with mom_vecinv,
178       and also the case for grad.PhiHyd when staggered-timeStep)
179      This will allow to put dissipation out-off the AB time-stepping.
180     Unfortunately, affects truncation error. Update output of exp. that "fails"
181      (cg2d matching number) and leave the others for later: front_relax(10),
182      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
183      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
184    
185    checkpoint57o_post
186    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
187      (2) its ready to be documented during the 20050801 DocFest
188    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
189      for ideal_2D_oce and lab_sea on linux_ia32_g77
190    o set to #undef CTRL_SET_OLD_MAXCVARS_30
191      in global1x1_tot/code_seaice_adj to access indices 32, 33
192      (worth another tag)
193    
194    checkpoint57n_post
195    o adding precip control xx_precip 32
196    o adding swflux control xx_swflux 33
197    o Replacing 10 forcing penalty cost routines by 1 generic.
198    o Implementing partitioning in time-mean and variable adjustment
199      for atmos. state.
200    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
201    o in natl_box_adjoint:
202      * updated exp 1 to 10
203        (but does not have time-mean vs. variable split results yet)
204    o updated global1x1/*_seaice_adj/
205      to incorporate latest changes
206    o enable useSingleCpuIO for mdsio vector routines
207      (applies in particular to tapelev I/O)
208    o removed inefficient K-loop in all active_file*control*.F
209    
210    checkpoint57m_post
211    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
212      and advect_cs (use EXCH-2 and standard cs-32 grid files).
213    o pkg/exch2: filling of face-corner halo regions is optional
214      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
215    
216    checkpoint57l_post
217     tag before updating tutorials (pre-release-2)
218  o add cos & sin of grid-direction orientation angle (curvilinear grid only,  o add cos & sin of grid-direction orientation angle (curvilinear grid only,
219     for output and interpolation of input fields onto model grid)     for output and interpolation of input fields onto model grid)
220  o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).  o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).

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