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revision 1.504 by edhill, Thu Jun 23 20:02:49 2005 UTC revision 1.589 by jmc, Thu Dec 8 22:25:07 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 mnc-ify aim_v23 as requested by Daniel Enderton  o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
8         and update lab_sea output.txt file.
9    
10    checkpoint57y_post
11    First step for a NLFS adjoint
12    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
13    o new init. routines for calc_r_star, calc_surf_dr
14    o still need to deal with ini_masks_etc
15    o testreport seemed happy
16    checkpoint57y_pre
17    
18    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
19    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
20    o add new offset feature to offline pkg (plus minor cleanup)
21    o cfc fixes for final year of integration
22    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
23      be in GCHEM_OPTIONS).
24    
25    checkpoint57x_post
26    o fix testreport Pb in multiple test experiment.
27    o cleanup our namelist syntax in verification:
28      - make it more F95 standards compliant (some work still needed)
29      - allows the vast majority of our tests to work with gfortran
30    o Non-Hydrostatic:
31     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
32     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
33    o Allow to apply AB on T,S rather than on AB(gT,gS):
34     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
35     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
36       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
37     - need a "clever" read_pickup to restart from the other AB formulation
38    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
39    o remove some unused variables (reduces number of compiler warnings)
40    o adjoint
41      * Disable useVariableViscosity for adjoint for time being
42        (there are a number of extensive recomputations)
43      * Initialize certain variables needed for adjoint
44    
45    checkpoint57w_post
46    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
47                 fix the singleCpuIO RS version of MDSWRITEFIELD
48       and add a WARNING if using globalFiles=T with multi-processors.
49    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
50      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
51    o tracer advection scheme:
52      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
53       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
54       was not very convenient).
55      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
56       (further tests needed for the implicit DST & Flux-Limiter schemes).
57    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
58      and sRef for convenience, handy, when you want to initialize
59      ptracers in a large domain with a constant non-zero value. Also,
60      untangle ptracers_init.F a little.
61    
62    checkpoint57v_post
63    o change dome exp. to use variable viscosity in side-drag terms.
64    o remove all the files from the cfc_offline test since they are now
65      incorporated into tutorial_cfc_offline which has been producing
66      identical results for a few days of testing
67    o add new parameter: sideDragFactor to enable half-slip-side BC
68      and change side-drag S/R to use viscosity from mom_calc_visc
69      (can switch back by setting sideDragFactor=0.); affects results at
70      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
71       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
72    o vorticity & strain are now computed without masking, to account for
73      no-slip-side BC in variable viscosity calculation ; mask is applied
74      anyway later on, before computing advection/coriolis terms.
75    o modify exp4 to test new obcs support for reading from external files
76      and for passive tracers
77    o fix behavior of ptracers_monitor when monitor output is written to a
78      netcdf-file; still not independent of monitor.F (writes in the same
79      file).
80    o change default value of tRef (put a uniform, meaningful value for ocean
81      & atmos) and initialize sRef (was missing, as Martin mentioned).
82    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
83      to be proportional to enstrophy dissipation length.  Thus,
84       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
85      This is now consistent with Smagorinsky and with the manual.
86    
87    checkpoint57u_post
88    o OBCS and PTRACERS: add open boundary support for passive tracers
89      - either use homogenous (pseudo) v.Neumann conditions or prescribe
90        OB-values from file; this is not different from the way theta and salinity
91        are treated
92      - however, Orlanski-radiation conditions are not supported, and the model
93        will stop if you use pTracers and Orlanski at the same time.
94      - beefed up the rountine obcs_external_fields_load: now only those open
95        boundary values are overwritten with values from files for which there
96        are really files, otherwise the OB-fields remain untouched. This makes
97        it possible to use different OBs at different ends of the domain (as
98        with EXF)
99    o reduce number of exch calls in shap_filt (s2).
100    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
101      truncation level) 4/5 MLAdjust test results (11&12 digits match).
102    
103    checkpoint57t_post
104    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
105    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
106      same truncation, independent of the face number: affects affects several
107      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
108    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
109      note that biharmonic viscosity + no-slip was not tested in any experiment.
110    o fix bug in non-linear free-surf side-drag ; generate new output for
111      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
112    o make mnc honor the writeBinaryPrec flag for most kinds of output
113    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
114    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
115      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
116    o add brackets in multi-terms sum to get same truncation, independent of
117      the face number (manage to get exactly same value of gU,gV at the cs-edge)
118      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
119    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
120      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
121      a maximum grid-scale Reynolds number.  Also, changes all length calculations
122      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
123      Suggested values of viscosity parameters found in mom_calc_visc.
124      Many new viscosity diagnostics available.
125    
126    checkpoint57s_post
127    o Add clearing-house for viscosity calculations, mom_calc_visc and
128      correct numerous bugs in LeithD and Smagorinsky discretizations.  
129      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
130      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
131      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
132      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
133      The Strain-Tension form is now called with useStrainTensonVisc=.true.
134      ViscAhStrain and viscAhTension are now retired.
135    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
136    o In response to JMC's bug report, genmake2 now ignores any soft-links
137      that it finds in the *current* directory when searching for files.
138      Soft-links found in any other source directories will still work as
139      they did before.
140    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
141      a C routine to unlimit the stack size
142    o mnc-ify pkg/aim snapshot vars
143    o mnc-ify pkg/land as requested by Daniel
144    o various changes to mnc including:
145      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
146      - output can now be grouped so that all files within a group
147          change the ITER portion of their names in lock-step together
148      - can now read ("global") PER-FACE (in addition to PER-TILE) files
149          and works with both EXCH1 and EXCH2 (but needs more testing)
150      - writing works for all verification test cases w/ g77 on Linux
151    
152    checkpoint57r_post
153    o make MNC variable initialization happen earlier
154    o add diagnostics for (almost) each term of the momentum Eq.
155    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
156    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
157    o remove MINIMAL_TAVE_OUTPUT option ;
158      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
159    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
160      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
161    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
162    o add time-dependent SST, SSS control
163    o cost terms in ecco/ modularized (new cost_generic.F)
164    o cost_averages routines are modularized (new cost_averagesgeneric.F)
165    o new infrastructure for seaice model vs. obs misfits in seaice/
166      * driver from the_main_loop.F is seaice_cost_driver.F
167      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
168      * gradient check in Exp. 6a of natl_box_adjoint/
169    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
170      (see README file)
171    
172    checkpoint57q_post
173    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
174    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
175      - bug was reported by Jean-Michel and Ian Fenty
176    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
177      update exp. cpl_aim+ocn output.
178    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
179      Needed for high-res. runs with large global files
180      to be able to limit tapelev size
181    o Changed some tests for adjoint:
182      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
183      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
184      * global_ocean.90x40x15/ back to default 3-level checkpointing
185    o Modifications to enable scripted COMMON to MODULE conversion
186      * verification/OpenAD/code/ has necessary scripts and description;
187      * converts, compiles and runs successfully;
188    
189    checkpoint57p_post
190    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
191    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
192      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
193    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
194    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
195      (was already the case for dissipation with mom_vecinv,
196       and also the case for grad.PhiHyd when staggered-timeStep)
197      This will allow to put dissipation out-off the AB time-stepping.
198     Unfortunately, affects truncation error. Update output of exp. that "fails"
199      (cg2d matching number) and leave the others for later: front_relax(10),
200      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
201      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
202    
203    checkpoint57o_post
204    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
205      (2) its ready to be documented during the 20050801 DocFest
206    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
207      for ideal_2D_oce and lab_sea on linux_ia32_g77
208    o set to #undef CTRL_SET_OLD_MAXCVARS_30
209      in global1x1_tot/code_seaice_adj to access indices 32, 33
210      (worth another tag)
211    
212    checkpoint57n_post
213    o adding precip control xx_precip 32
214    o adding swflux control xx_swflux 33
215    o Replacing 10 forcing penalty cost routines by 1 generic.
216    o Implementing partitioning in time-mean and variable adjustment
217      for atmos. state.
218    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
219    o in natl_box_adjoint:
220      * updated exp 1 to 10
221        (but does not have time-mean vs. variable split results yet)
222    o updated global1x1/*_seaice_adj/
223      to incorporate latest changes
224    o enable useSingleCpuIO for mdsio vector routines
225      (applies in particular to tapelev I/O)
226    o removed inefficient K-loop in all active_file*control*.F
227    
228    checkpoint57m_post
229    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
230      and advect_cs (use EXCH-2 and standard cs-32 grid files).
231    o pkg/exch2: filling of face-corner halo regions is optional
232      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
233    
234    checkpoint57l_post
235     tag before updating tutorials (pre-release-2)
236    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
237       for output and interpolation of input fields onto model grid)
238    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
239       Affects results of exp. rotating_tank ; update output.txt.
240    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
241          and taking the square quantity and/or using a fraction-weight field.
242    o fix aim_diagnostics_init.F mate numbers.
243    o add mnc output capability to diagnostics/diagstat and update
244      our cvsignore files for the ACSII output generated
245    
246    checkpoint57k_post
247    o lab_sea now uses diagnostics package and provides a suite of
248      new EXF diagnostics output.
249    
250    checkpoint57j_post
251    o exf
252      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
253        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
254        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
255      * extended diagnostics output
256        - now includes all EXF variables
257        - hs, hl moved to common block
258        - separate S/R for diagnostics, called after ctrl vector is added
259        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
260        - EXFqnet contains true Qnet (i.e. includes qsw)
261      * updated verif. lab_sea, global_with_exf
262      * Rearranging hflux (exf_mapfields -> exf_getforcing)
263        to ensure that diagnostics sees a true EXFqnet
264    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
265    o diagnostics pkg: change pointers so that 1 diagnostic can be used
266      several times with different frequencies.
267    o mnc-ify the thsice package as requested by Daniel Enderton
268      - the monitor--MNC output needs work
269      - many attributes need to be added (most are currently blank)
270    o mnc-ify theaim_v23 package as requested by Daniel Enderton
271      - many attributes need to be added (most are currently blank)
272  o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)  o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
273  o add Sadourny like discretization to the 4th.O vorticity advection scheme  o add Sadourny like discretization to the 4th.O vorticity advection scheme
274  o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.  o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.

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