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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.573 by mlosch, Fri Oct 14 12:45:43 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 PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
8  o moved ptracer ctrl index 17 -> 32    and sRef for convenience, handy, when you want to initialize
9      ptracers in a large domain with a constant non-zero value. Also,
10      untangle ptracers_init.F a little.
11    
12    checkpoint57v_post
13    o change dome exp. to use variable viscosity in side-drag terms.
14    o remove all the files from the cfc_offline test since they are now
15      incorporated into tutorial_cfc_offline which has been producing
16      identical results for a few days of testing
17    o add new parameter: sideDragFactor to enable half-slip-side BC
18      and change side-drag S/R to use viscosity from mom_calc_visc
19      (can switch back by setting sideDragFactor=0.); affects results at
20      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
21       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
22    o vorticity & strain are now computed without masking, to account for
23      no-slip-side BC in variable viscosity calculation ; mask is applied
24      anyway later on, before computing advection/coriolis terms.
25    o modify exp4 to test new obcs support for reading from external files
26      and for passive tracers
27    o fix behavior of ptracers_monitor when monitor output is written to a
28      netcdf-file; still not independent of monitor.F (writes in the same
29      file).
30    o change default value of tRef (put a uniform, meaningful value for ocean
31      & atmos) and initialize sRef (was missing, as Martin mentioned).
32    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
33      to be proportional to enstrophy dissipation length.  Thus,
34       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
35      This is now consistent with Smagorinsky and with the manual.
36    
37    checkpoint57u_post
38    o OBCS and PTRACERS: add open boundary support for passive tracers
39      - either use homogenous (pseudo) v.Neumann conditions or prescribe
40        OB-values from file; this is not different from the way theta and salinity
41        are treated
42      - however, Orlanski-radiation conditions are not supported, and the model
43        will stop if you use pTracers and Orlanski at the same time.
44      - beefed up the rountine obcs_external_fields_load: now only those open
45        boundary values are overwritten with values from files for which there
46        are really files, otherwise the OB-fields remain untouched. This makes
47        it possible to use different OBs at different ends of the domain (as
48        with EXF)
49    o reduce number of exch calls in shap_filt (s2).
50    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
51      truncation level) 4/5 MLAdjust test results (11&12 digits match).
52    
53    checkpoint57t_post
54    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
55    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
56      same truncation, independent of the face number: affects affects several
57      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
58    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
59      note that biharmonic viscosity + no-slip was not tested in any experiment.
60    o fix bug in non-linear free-surf side-drag ; generate new output for
61      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
62    o make mnc honor the writeBinaryPrec flag for most kinds of output
63    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
64    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
65      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
66    o add brackets in multi-terms sum to get same truncation, independent of
67      the face number (manage to get exactly same value of gU,gV at the cs-edge)
68      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
69    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
70      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
71      a maximum grid-scale Reynolds number.  Also, changes all length calculations
72      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
73      Suggested values of viscosity parameters found in mom_calc_visc.
74      Many new viscosity diagnostics available.
75    
76    checkpoint57s_post
77    o Add clearing-house for viscosity calculations, mom_calc_visc and
78      correct numerous bugs in LeithD and Smagorinsky discretizations.  
79      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
80      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
81      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
82      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
83      The Strain-Tension form is now called with useStrainTensonVisc=.true.
84      ViscAhStrain and viscAhTension are now retired.
85    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
86    o In response to JMC's bug report, genmake2 now ignores any soft-links
87      that it finds in the *current* directory when searching for files.
88      Soft-links found in any other source directories will still work as
89      they did before.
90    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
91      a C routine to unlimit the stack size
92    o mnc-ify pkg/aim snapshot vars
93    o mnc-ify pkg/land as requested by Daniel
94    o various changes to mnc including:
95      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
96      - output can now be grouped so that all files within a group
97          change the ITER portion of their names in lock-step together
98      - can now read ("global") PER-FACE (in addition to PER-TILE) files
99          and works with both EXCH1 and EXCH2 (but needs more testing)
100      - writing works for all verification test cases w/ g77 on Linux
101    
102    checkpoint57r_post
103    o make MNC variable initialization happen earlier
104    o add diagnostics for (almost) each term of the momentum Eq.
105    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
106    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
107    o remove MINIMAL_TAVE_OUTPUT option ;
108      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
109    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
110      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
111    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
112    o add time-dependent SST, SSS control
113    o cost terms in ecco/ modularized (new cost_generic.F)
114    o cost_averages routines are modularized (new cost_averagesgeneric.F)
115    o new infrastructure for seaice model vs. obs misfits in seaice/
116      * driver from the_main_loop.F is seaice_cost_driver.F
117      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
118      * gradient check in Exp. 6a of natl_box_adjoint/
119    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
120      (see README file)
121    
122    checkpoint57q_post
123    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
124    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
125      - bug was reported by Jean-Michel and Ian Fenty
126    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
127      update exp. cpl_aim+ocn output.
128    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
129      Needed for high-res. runs with large global files
130      to be able to limit tapelev size
131    o Changed some tests for adjoint:
132      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
133      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
134      * global_ocean.90x40x15/ back to default 3-level checkpointing
135    o Modifications to enable scripted COMMON to MODULE conversion
136      * verification/OpenAD/code/ has necessary scripts and description;
137      * converts, compiles and runs successfully;
138    
139    checkpoint57p_post
140    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
141    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
142      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
143    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
144    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
145      (was already the case for dissipation with mom_vecinv,
146       and also the case for grad.PhiHyd when staggered-timeStep)
147      This will allow to put dissipation out-off the AB time-stepping.
148     Unfortunately, affects truncation error. Update output of exp. that "fails"
149      (cg2d matching number) and leave the others for later: front_relax(10),
150      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
151      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
152    
153    checkpoint57o_post
154    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
155      (2) its ready to be documented during the 20050801 DocFest
156    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
157      for ideal_2D_oce and lab_sea on linux_ia32_g77
158    o set to #undef CTRL_SET_OLD_MAXCVARS_30
159      in global1x1_tot/code_seaice_adj to access indices 32, 33
160      (worth another tag)
161    
162    checkpoint57n_post
163    o adding precip control xx_precip 32
164    o adding swflux control xx_swflux 33
165    o Replacing 10 forcing penalty cost routines by 1 generic.
166    o Implementing partitioning in time-mean and variable adjustment
167      for atmos. state.
168    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
169  o in natl_box_adjoint:  o in natl_box_adjoint:
170    * updated: results_bulk/    * updated exp 1 to 10
171    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
172    o updated global1x1/*_seaice_adj/
173      to incorporate latest changes
174    o enable useSingleCpuIO for mdsio vector routines
175      (applies in particular to tapelev I/O)
176    o removed inefficient K-loop in all active_file*control*.F
177    
178  checkpoint57m_post  checkpoint57m_post
179  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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