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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.581 by heimbach, Thu Nov 24 00:07:29 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 Non-Hydrostatic:
8  o moved ptracer ctrl index 17 -> 32   - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
9     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
10    o Allow to apply AB on T,S rather than on AB(gT,gS):
11     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
12     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
13       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
14     - need a "clever" read_pickup to restart from the other AB formulation
15    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
16    o remove some unused variables (reduces number of compiler warnings)
17    o adjoint
18      * Disable useVariableViscosity for adjoint for time being
19        (there are a number of extensive recomputations)
20      * Initialize certain variables needed for adjoint
21    
22    checkpoint57w_post
23    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
24                 fix the singleCpuIO RS version of MDSWRITEFIELD
25       and add a WARNING if using globalFiles=T with multi-processors.
26    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
27      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
28    o tracer advection scheme:
29      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
30       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
31       was not very convenient).
32      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
33       (further tests needed for the implicit DST & Flux-Limiter schemes).
34    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
35      and sRef for convenience, handy, when you want to initialize
36      ptracers in a large domain with a constant non-zero value. Also,
37      untangle ptracers_init.F a little.
38    
39    checkpoint57v_post
40    o change dome exp. to use variable viscosity in side-drag terms.
41    o remove all the files from the cfc_offline test since they are now
42      incorporated into tutorial_cfc_offline which has been producing
43      identical results for a few days of testing
44    o add new parameter: sideDragFactor to enable half-slip-side BC
45      and change side-drag S/R to use viscosity from mom_calc_visc
46      (can switch back by setting sideDragFactor=0.); affects results at
47      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
48       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
49    o vorticity & strain are now computed without masking, to account for
50      no-slip-side BC in variable viscosity calculation ; mask is applied
51      anyway later on, before computing advection/coriolis terms.
52    o modify exp4 to test new obcs support for reading from external files
53      and for passive tracers
54    o fix behavior of ptracers_monitor when monitor output is written to a
55      netcdf-file; still not independent of monitor.F (writes in the same
56      file).
57    o change default value of tRef (put a uniform, meaningful value for ocean
58      & atmos) and initialize sRef (was missing, as Martin mentioned).
59    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
60      to be proportional to enstrophy dissipation length.  Thus,
61       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
62      This is now consistent with Smagorinsky and with the manual.
63    
64    checkpoint57u_post
65    o OBCS and PTRACERS: add open boundary support for passive tracers
66      - either use homogenous (pseudo) v.Neumann conditions or prescribe
67        OB-values from file; this is not different from the way theta and salinity
68        are treated
69      - however, Orlanski-radiation conditions are not supported, and the model
70        will stop if you use pTracers and Orlanski at the same time.
71      - beefed up the rountine obcs_external_fields_load: now only those open
72        boundary values are overwritten with values from files for which there
73        are really files, otherwise the OB-fields remain untouched. This makes
74        it possible to use different OBs at different ends of the domain (as
75        with EXF)
76    o reduce number of exch calls in shap_filt (s2).
77    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
78      truncation level) 4/5 MLAdjust test results (11&12 digits match).
79    
80    checkpoint57t_post
81    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
82    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
83      same truncation, independent of the face number: affects affects several
84      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
85    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
86      note that biharmonic viscosity + no-slip was not tested in any experiment.
87    o fix bug in non-linear free-surf side-drag ; generate new output for
88      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
89    o make mnc honor the writeBinaryPrec flag for most kinds of output
90    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
91    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
92      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
93    o add brackets in multi-terms sum to get same truncation, independent of
94      the face number (manage to get exactly same value of gU,gV at the cs-edge)
95      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
96    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
97      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
98      a maximum grid-scale Reynolds number.  Also, changes all length calculations
99      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
100      Suggested values of viscosity parameters found in mom_calc_visc.
101      Many new viscosity diagnostics available.
102    
103    checkpoint57s_post
104    o Add clearing-house for viscosity calculations, mom_calc_visc and
105      correct numerous bugs in LeithD and Smagorinsky discretizations.  
106      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
107      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
108      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
109      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
110      The Strain-Tension form is now called with useStrainTensonVisc=.true.
111      ViscAhStrain and viscAhTension are now retired.
112    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
113    o In response to JMC's bug report, genmake2 now ignores any soft-links
114      that it finds in the *current* directory when searching for files.
115      Soft-links found in any other source directories will still work as
116      they did before.
117    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
118      a C routine to unlimit the stack size
119    o mnc-ify pkg/aim snapshot vars
120    o mnc-ify pkg/land as requested by Daniel
121    o various changes to mnc including:
122      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
123      - output can now be grouped so that all files within a group
124          change the ITER portion of their names in lock-step together
125      - can now read ("global") PER-FACE (in addition to PER-TILE) files
126          and works with both EXCH1 and EXCH2 (but needs more testing)
127      - writing works for all verification test cases w/ g77 on Linux
128    
129    checkpoint57r_post
130    o make MNC variable initialization happen earlier
131    o add diagnostics for (almost) each term of the momentum Eq.
132    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
133    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
134    o remove MINIMAL_TAVE_OUTPUT option ;
135      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
136    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
137      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
138    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
139    o add time-dependent SST, SSS control
140    o cost terms in ecco/ modularized (new cost_generic.F)
141    o cost_averages routines are modularized (new cost_averagesgeneric.F)
142    o new infrastructure for seaice model vs. obs misfits in seaice/
143      * driver from the_main_loop.F is seaice_cost_driver.F
144      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
145      * gradient check in Exp. 6a of natl_box_adjoint/
146    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
147      (see README file)
148    
149    checkpoint57q_post
150    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
151    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
152      - bug was reported by Jean-Michel and Ian Fenty
153    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
154      update exp. cpl_aim+ocn output.
155    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
156      Needed for high-res. runs with large global files
157      to be able to limit tapelev size
158    o Changed some tests for adjoint:
159      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
160      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
161      * global_ocean.90x40x15/ back to default 3-level checkpointing
162    o Modifications to enable scripted COMMON to MODULE conversion
163      * verification/OpenAD/code/ has necessary scripts and description;
164      * converts, compiles and runs successfully;
165    
166    checkpoint57p_post
167    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
168    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
169      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
170    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
171    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
172      (was already the case for dissipation with mom_vecinv,
173       and also the case for grad.PhiHyd when staggered-timeStep)
174      This will allow to put dissipation out-off the AB time-stepping.
175     Unfortunately, affects truncation error. Update output of exp. that "fails"
176      (cg2d matching number) and leave the others for later: front_relax(10),
177      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
178      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
179    
180    checkpoint57o_post
181    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
182      (2) its ready to be documented during the 20050801 DocFest
183    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
184      for ideal_2D_oce and lab_sea on linux_ia32_g77
185    o set to #undef CTRL_SET_OLD_MAXCVARS_30
186      in global1x1_tot/code_seaice_adj to access indices 32, 33
187      (worth another tag)
188    
189    checkpoint57n_post
190    o adding precip control xx_precip 32
191    o adding swflux control xx_swflux 33
192    o Replacing 10 forcing penalty cost routines by 1 generic.
193    o Implementing partitioning in time-mean and variable adjustment
194      for atmos. state.
195    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
196  o in natl_box_adjoint:  o in natl_box_adjoint:
197    * updated: results_bulk/    * updated exp 1 to 10
198    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
199    o updated global1x1/*_seaice_adj/
200      to incorporate latest changes
201    o enable useSingleCpuIO for mdsio vector routines
202      (applies in particular to tapelev I/O)
203    o removed inefficient K-loop in all active_file*control*.F
204    
205  checkpoint57m_post  checkpoint57m_post
206  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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