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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.566 by jmc, Tue Oct 11 01:34:15 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 change default value of tRef (put a uniform, meaningful value for ocean
8  o moved ptracer ctrl index 17 -> 32    & atmos) and initialize sRef (was missing, as Martin mentioned).
9    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
10      to be proportional to enstrophy dissipation length.  Thus,
11       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
12      This is now consistent with Smagorinsky and with the manual.
13    
14    checkpoint57u_post
15    o OBCS and PTRACERS: add open boundary support for passive tracers
16      - either use homogenous (pseudo) v.Neumann conditions or prescribe
17        OB-values from file; this is not different from the way theta and salinity
18        are treated
19      - however, Orlanski-radiation conditions are not supported, and the model
20        will stop if you use pTracers and Orlanski at the same time.
21      - beefed up the rountine obcs_external_fields_load: now only those open
22        boundary values are overwritten with values from files for which there
23        are really files, otherwise the OB-fields remain untouched. This makes
24        it possible to use different OBs at different ends of the domain (as
25        with EXF)
26    o reduce number of exch calls in shap_filt (s2).
27    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
28      truncation level) 4/5 MLAdjust test results (11&12 digits match).
29    
30    checkpoint57t_post
31    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
32    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
33      same truncation, independent of the face number: affects affects several
34      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
35    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
36      note that biharmonic viscosity + no-slip was not tested in any experiment.
37    o fix bug in non-linear free-surf side-drag ; generate new output for
38      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
39    o make mnc honor the writeBinaryPrec flag for most kinds of output
40    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
41    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
42      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
43    o add brackets in multi-terms sum to get same truncation, independent of
44      the face number (manage to get exactly same value of gU,gV at the cs-edge)
45      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
46    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
47      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
48      a maximum grid-scale Reynolds number.  Also, changes all length calculations
49      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
50      Suggested values of viscosity parameters found in mom_calc_visc.
51      Many new viscosity diagnostics available.
52    
53    checkpoint57s_post
54    o Add clearing-house for viscosity calculations, mom_calc_visc and
55      correct numerous bugs in LeithD and Smagorinsky discretizations.  
56      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
57      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
58      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
59      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
60      The Strain-Tension form is now called with useStrainTensonVisc=.true.
61      ViscAhStrain and viscAhTension are now retired.
62    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
63    o In response to JMC's bug report, genmake2 now ignores any soft-links
64      that it finds in the *current* directory when searching for files.
65      Soft-links found in any other source directories will still work as
66      they did before.
67    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
68      a C routine to unlimit the stack size
69    o mnc-ify pkg/aim snapshot vars
70    o mnc-ify pkg/land as requested by Daniel
71    o various changes to mnc including:
72      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
73      - output can now be grouped so that all files within a group
74          change the ITER portion of their names in lock-step together
75      - can now read ("global") PER-FACE (in addition to PER-TILE) files
76          and works with both EXCH1 and EXCH2 (but needs more testing)
77      - writing works for all verification test cases w/ g77 on Linux
78    
79    checkpoint57r_post
80    o make MNC variable initialization happen earlier
81    o add diagnostics for (almost) each term of the momentum Eq.
82    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
83    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
84    o remove MINIMAL_TAVE_OUTPUT option ;
85      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
86    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
87      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
88    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
89    o add time-dependent SST, SSS control
90    o cost terms in ecco/ modularized (new cost_generic.F)
91    o cost_averages routines are modularized (new cost_averagesgeneric.F)
92    o new infrastructure for seaice model vs. obs misfits in seaice/
93      * driver from the_main_loop.F is seaice_cost_driver.F
94      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
95      * gradient check in Exp. 6a of natl_box_adjoint/
96    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
97      (see README file)
98    
99    checkpoint57q_post
100    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
101    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
102      - bug was reported by Jean-Michel and Ian Fenty
103    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
104      update exp. cpl_aim+ocn output.
105    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
106      Needed for high-res. runs with large global files
107      to be able to limit tapelev size
108    o Changed some tests for adjoint:
109      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
110      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
111      * global_ocean.90x40x15/ back to default 3-level checkpointing
112    o Modifications to enable scripted COMMON to MODULE conversion
113      * verification/OpenAD/code/ has necessary scripts and description;
114      * converts, compiles and runs successfully;
115    
116    checkpoint57p_post
117    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
118    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
119      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
120    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
121    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
122      (was already the case for dissipation with mom_vecinv,
123       and also the case for grad.PhiHyd when staggered-timeStep)
124      This will allow to put dissipation out-off the AB time-stepping.
125     Unfortunately, affects truncation error. Update output of exp. that "fails"
126      (cg2d matching number) and leave the others for later: front_relax(10),
127      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
128      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
129    
130    checkpoint57o_post
131    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
132      (2) its ready to be documented during the 20050801 DocFest
133    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
134      for ideal_2D_oce and lab_sea on linux_ia32_g77
135    o set to #undef CTRL_SET_OLD_MAXCVARS_30
136      in global1x1_tot/code_seaice_adj to access indices 32, 33
137      (worth another tag)
138    
139    checkpoint57n_post
140    o adding precip control xx_precip 32
141    o adding swflux control xx_swflux 33
142    o Replacing 10 forcing penalty cost routines by 1 generic.
143    o Implementing partitioning in time-mean and variable adjustment
144      for atmos. state.
145    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
146  o in natl_box_adjoint:  o in natl_box_adjoint:
147    * updated: results_bulk/    * updated exp 1 to 10
148    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
149    o updated global1x1/*_seaice_adj/
150      to incorporate latest changes
151    o enable useSingleCpuIO for mdsio vector routines
152      (applies in particular to tapelev I/O)
153    o removed inefficient K-loop in all active_file*control*.F
154    
155  checkpoint57m_post  checkpoint57m_post
156  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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