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revision 1.525 by edhill, Sat Jul 30 00:58:40 2005 UTC revision 1.588 by heimbach, Thu Dec 8 15:47:40 2005 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint57y_post
8    First step for a NLFS adjoint
9    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
10    o new init. routines for calc_r_star, calc_surf_dr
11    o still need to deal with ini_masks_etc
12    o testreport seemed happy
13    checkpoint57y_pre
14    
15    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
16    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
17    o add new offset feature to offline pkg (plus minor cleanup)
18    o cfc fixes for final year of integration
19    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
20      be in GCHEM_OPTIONS).
21    
22    checkpoint57x_post
23    o fix testreport Pb in multiple test experiment.
24    o cleanup our namelist syntax in verification:
25      - make it more F95 standards compliant (some work still needed)
26      - allows the vast majority of our tests to work with gfortran
27    o Non-Hydrostatic:
28     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
29     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
30    o Allow to apply AB on T,S rather than on AB(gT,gS):
31     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
32     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
33       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
34     - need a "clever" read_pickup to restart from the other AB formulation
35    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
36    o remove some unused variables (reduces number of compiler warnings)
37    o adjoint
38      * Disable useVariableViscosity for adjoint for time being
39        (there are a number of extensive recomputations)
40      * Initialize certain variables needed for adjoint
41    
42    checkpoint57w_post
43    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
44                 fix the singleCpuIO RS version of MDSWRITEFIELD
45       and add a WARNING if using globalFiles=T with multi-processors.
46    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
47      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
48    o tracer advection scheme:
49      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
50       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
51       was not very convenient).
52      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
53       (further tests needed for the implicit DST & Flux-Limiter schemes).
54    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
55      and sRef for convenience, handy, when you want to initialize
56      ptracers in a large domain with a constant non-zero value. Also,
57      untangle ptracers_init.F a little.
58    
59    checkpoint57v_post
60    o change dome exp. to use variable viscosity in side-drag terms.
61    o remove all the files from the cfc_offline test since they are now
62      incorporated into tutorial_cfc_offline which has been producing
63      identical results for a few days of testing
64    o add new parameter: sideDragFactor to enable half-slip-side BC
65      and change side-drag S/R to use viscosity from mom_calc_visc
66      (can switch back by setting sideDragFactor=0.); affects results at
67      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
68       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
69    o vorticity & strain are now computed without masking, to account for
70      no-slip-side BC in variable viscosity calculation ; mask is applied
71      anyway later on, before computing advection/coriolis terms.
72    o modify exp4 to test new obcs support for reading from external files
73      and for passive tracers
74    o fix behavior of ptracers_monitor when monitor output is written to a
75      netcdf-file; still not independent of monitor.F (writes in the same
76      file).
77    o change default value of tRef (put a uniform, meaningful value for ocean
78      & atmos) and initialize sRef (was missing, as Martin mentioned).
79    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
80      to be proportional to enstrophy dissipation length.  Thus,
81       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
82      This is now consistent with Smagorinsky and with the manual.
83    
84    checkpoint57u_post
85    o OBCS and PTRACERS: add open boundary support for passive tracers
86      - either use homogenous (pseudo) v.Neumann conditions or prescribe
87        OB-values from file; this is not different from the way theta and salinity
88        are treated
89      - however, Orlanski-radiation conditions are not supported, and the model
90        will stop if you use pTracers and Orlanski at the same time.
91      - beefed up the rountine obcs_external_fields_load: now only those open
92        boundary values are overwritten with values from files for which there
93        are really files, otherwise the OB-fields remain untouched. This makes
94        it possible to use different OBs at different ends of the domain (as
95        with EXF)
96    o reduce number of exch calls in shap_filt (s2).
97    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
98      truncation level) 4/5 MLAdjust test results (11&12 digits match).
99    
100    checkpoint57t_post
101    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
102    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
103      same truncation, independent of the face number: affects affects several
104      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
105    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
106      note that biharmonic viscosity + no-slip was not tested in any experiment.
107    o fix bug in non-linear free-surf side-drag ; generate new output for
108      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
109    o make mnc honor the writeBinaryPrec flag for most kinds of output
110    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
111    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
112      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
113    o add brackets in multi-terms sum to get same truncation, independent of
114      the face number (manage to get exactly same value of gU,gV at the cs-edge)
115      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
116    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
117      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
118      a maximum grid-scale Reynolds number.  Also, changes all length calculations
119      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
120      Suggested values of viscosity parameters found in mom_calc_visc.
121      Many new viscosity diagnostics available.
122    
123    checkpoint57s_post
124    o Add clearing-house for viscosity calculations, mom_calc_visc and
125      correct numerous bugs in LeithD and Smagorinsky discretizations.  
126      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
127      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
128      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
129      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
130      The Strain-Tension form is now called with useStrainTensonVisc=.true.
131      ViscAhStrain and viscAhTension are now retired.
132    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
133    o In response to JMC's bug report, genmake2 now ignores any soft-links
134      that it finds in the *current* directory when searching for files.
135      Soft-links found in any other source directories will still work as
136      they did before.
137    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
138      a C routine to unlimit the stack size
139    o mnc-ify pkg/aim snapshot vars
140    o mnc-ify pkg/land as requested by Daniel
141    o various changes to mnc including:
142      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
143      - output can now be grouped so that all files within a group
144          change the ITER portion of their names in lock-step together
145      - can now read ("global") PER-FACE (in addition to PER-TILE) files
146          and works with both EXCH1 and EXCH2 (but needs more testing)
147      - writing works for all verification test cases w/ g77 on Linux
148    
149    checkpoint57r_post
150    o make MNC variable initialization happen earlier
151    o add diagnostics for (almost) each term of the momentum Eq.
152    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
153    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
154    o remove MINIMAL_TAVE_OUTPUT option ;
155      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
156    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
157      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
158    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
159    o add time-dependent SST, SSS control
160    o cost terms in ecco/ modularized (new cost_generic.F)
161    o cost_averages routines are modularized (new cost_averagesgeneric.F)
162    o new infrastructure for seaice model vs. obs misfits in seaice/
163      * driver from the_main_loop.F is seaice_cost_driver.F
164      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
165      * gradient check in Exp. 6a of natl_box_adjoint/
166    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
167      (see README file)
168    
169    checkpoint57q_post
170    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
171    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
172      - bug was reported by Jean-Michel and Ian Fenty
173    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
174      update exp. cpl_aim+ocn output.
175    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
176      Needed for high-res. runs with large global files
177      to be able to limit tapelev size
178    o Changed some tests for adjoint:
179      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
180      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
181      * global_ocean.90x40x15/ back to default 3-level checkpointing
182    o Modifications to enable scripted COMMON to MODULE conversion
183      * verification/OpenAD/code/ has necessary scripts and description;
184      * converts, compiles and runs successfully;
185    
186    checkpoint57p_post
187    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
188    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
189      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
190    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
191    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
192      (was already the case for dissipation with mom_vecinv,
193       and also the case for grad.PhiHyd when staggered-timeStep)
194      This will allow to put dissipation out-off the AB time-stepping.
195     Unfortunately, affects truncation error. Update output of exp. that "fails"
196      (cg2d matching number) and leave the others for later: front_relax(10),
197      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
198      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
199    
200    checkpoint57o_post
201  o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and  o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
202    (2) its ready to be documented during the 20050801 DocFest    (2) its ready to be documented during the 20050801 DocFest
203  o MNC-ify the gmredi package -- tested and works w/ and w/o mnc  o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
204    for ideal_2D_oce and lab_sea on linux_ia32_g77    for ideal_2D_oce and lab_sea on linux_ia32_g77
205    o set to #undef CTRL_SET_OLD_MAXCVARS_30
206      in global1x1_tot/code_seaice_adj to access indices 32, 33
207      (worth another tag)
208    
209  checkpoint57n_post  checkpoint57n_post
210  o adding precip control xx_precip 32  o adding precip control xx_precip 32

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