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revision 1.506 by jmc, Sun Jun 26 16:54:38 2005 UTC revision 1.565 by baylor, Mon Oct 10 19:49:48 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 Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
8      to be proportional to enstrophy dissipation length.  Thus,
9       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
10      This is now consistent with Smagorinsky and with the manual.
11    
12    checkpoint57u_post
13    o OBCS and PTRACERS: add open boundary support for passive tracers
14      - either use homogenous (pseudo) v.Neumann conditions or prescribe
15        OB-values from file; this is not different from the way theta and salinity
16        are treated
17      - however, Orlanski-radiation conditions are not supported, and the model
18        will stop if you use pTracers and Orlanski at the same time.
19      - beefed up the rountine obcs_external_fields_load: now only those open
20        boundary values are overwritten with values from files for which there
21        are really files, otherwise the OB-fields remain untouched. This makes
22        it possible to use different OBs at different ends of the domain (as
23        with EXF)
24    o reduce number of exch calls in shap_filt (s2).
25    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
26      truncation level) 4/5 MLAdjust test results (11&12 digits match).
27    
28    checkpoint57t_post
29    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
30    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
31      same truncation, independent of the face number: affects affects several
32      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
33    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
34      note that biharmonic viscosity + no-slip was not tested in any experiment.
35    o fix bug in non-linear free-surf side-drag ; generate new output for
36      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
37    o make mnc honor the writeBinaryPrec flag for most kinds of output
38    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
39    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
40      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
41    o add brackets in multi-terms sum to get same truncation, independent of
42      the face number (manage to get exactly same value of gU,gV at the cs-edge)
43      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
44    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
45      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
46      a maximum grid-scale Reynolds number.  Also, changes all length calculations
47      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
48      Suggested values of viscosity parameters found in mom_calc_visc.
49      Many new viscosity diagnostics available.
50    
51    checkpoint57s_post
52    o Add clearing-house for viscosity calculations, mom_calc_visc and
53      correct numerous bugs in LeithD and Smagorinsky discretizations.  
54      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
55      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
56      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
57      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
58      The Strain-Tension form is now called with useStrainTensonVisc=.true.
59      ViscAhStrain and viscAhTension are now retired.
60    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
61    o In response to JMC's bug report, genmake2 now ignores any soft-links
62      that it finds in the *current* directory when searching for files.
63      Soft-links found in any other source directories will still work as
64      they did before.
65    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
66      a C routine to unlimit the stack size
67    o mnc-ify pkg/aim snapshot vars
68    o mnc-ify pkg/land as requested by Daniel
69    o various changes to mnc including:
70      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
71      - output can now be grouped so that all files within a group
72          change the ITER portion of their names in lock-step together
73      - can now read ("global") PER-FACE (in addition to PER-TILE) files
74          and works with both EXCH1 and EXCH2 (but needs more testing)
75      - writing works for all verification test cases w/ g77 on Linux
76    
77    checkpoint57r_post
78    o make MNC variable initialization happen earlier
79    o add diagnostics for (almost) each term of the momentum Eq.
80    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
81    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
82    o remove MINIMAL_TAVE_OUTPUT option ;
83      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
84    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
85      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
86    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
87    o add time-dependent SST, SSS control
88    o cost terms in ecco/ modularized (new cost_generic.F)
89    o cost_averages routines are modularized (new cost_averagesgeneric.F)
90    o new infrastructure for seaice model vs. obs misfits in seaice/
91      * driver from the_main_loop.F is seaice_cost_driver.F
92      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
93      * gradient check in Exp. 6a of natl_box_adjoint/
94    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
95      (see README file)
96    
97    checkpoint57q_post
98    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
99    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
100      - bug was reported by Jean-Michel and Ian Fenty
101    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
102      update exp. cpl_aim+ocn output.
103    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
104      Needed for high-res. runs with large global files
105      to be able to limit tapelev size
106    o Changed some tests for adjoint:
107      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
108      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
109      * global_ocean.90x40x15/ back to default 3-level checkpointing
110    o Modifications to enable scripted COMMON to MODULE conversion
111      * verification/OpenAD/code/ has necessary scripts and description;
112      * converts, compiles and runs successfully;
113    
114    checkpoint57p_post
115    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
116    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
117      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
118    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
119    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
120      (was already the case for dissipation with mom_vecinv,
121       and also the case for grad.PhiHyd when staggered-timeStep)
122      This will allow to put dissipation out-off the AB time-stepping.
123     Unfortunately, affects truncation error. Update output of exp. that "fails"
124      (cg2d matching number) and leave the others for later: front_relax(10),
125      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
126      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
127    
128    checkpoint57o_post
129    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
130      (2) its ready to be documented during the 20050801 DocFest
131    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
132      for ideal_2D_oce and lab_sea on linux_ia32_g77
133    o set to #undef CTRL_SET_OLD_MAXCVARS_30
134      in global1x1_tot/code_seaice_adj to access indices 32, 33
135      (worth another tag)
136    
137    checkpoint57n_post
138    o adding precip control xx_precip 32
139    o adding swflux control xx_swflux 33
140    o Replacing 10 forcing penalty cost routines by 1 generic.
141    o Implementing partitioning in time-mean and variable adjustment
142      for atmos. state.
143    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
144    o in natl_box_adjoint:
145      * updated exp 1 to 10
146        (but does not have time-mean vs. variable split results yet)
147    o updated global1x1/*_seaice_adj/
148      to incorporate latest changes
149    o enable useSingleCpuIO for mdsio vector routines
150      (applies in particular to tapelev I/O)
151    o removed inefficient K-loop in all active_file*control*.F
152    
153    checkpoint57m_post
154    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
155      and advect_cs (use EXCH-2 and standard cs-32 grid files).
156    o pkg/exch2: filling of face-corner halo regions is optional
157      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
158    
159    checkpoint57l_post
160     tag before updating tutorials (pre-release-2)
161    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
162       for output and interpolation of input fields onto model grid)
163    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
164       Affects results of exp. rotating_tank ; update output.txt.
165    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
166          and taking the square quantity and/or using a fraction-weight field.
167    o fix aim_diagnostics_init.F mate numbers.
168    o add mnc output capability to diagnostics/diagstat and update
169      our cvsignore files for the ACSII output generated
170    
171    checkpoint57k_post
172    o lab_sea now uses diagnostics package and provides a suite of
173      new EXF diagnostics output.
174    
175    checkpoint57j_post
176    o exf
177      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
178        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
179        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
180      * extended diagnostics output
181        - now includes all EXF variables
182        - hs, hl moved to common block
183        - separate S/R for diagnostics, called after ctrl vector is added
184        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
185        - EXFqnet contains true Qnet (i.e. includes qsw)
186      * updated verif. lab_sea, global_with_exf
187      * Rearranging hflux (exf_mapfields -> exf_getforcing)
188        to ensure that diagnostics sees a true EXFqnet
189    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
190  o diagnostics pkg: change pointers so that 1 diagnostic can be used  o diagnostics pkg: change pointers so that 1 diagnostic can be used
191    several times with different frequencies.    several times with different frequencies.
192  o mnc-ify the thsice package as requested by Daniel Enderton  o mnc-ify the thsice package as requested by Daniel Enderton

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