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revision 1.491 by edhill, Wed May 25 04:03:09 2005 UTC revision 1.595 by heimbach, Thu Dec 22 21:16:17 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 make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
8      affects output (@ truncation level) of exp. plume_on_slope ; updated.
9    o fix the pickup behavior for obcs in combination with ptracers
10    o fix a bug in ptracers_external_fields_load
11    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
12      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
13    o transfered surface NH pressure to eta field (if exactConserv).
14    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
15         and update lab_sea output.txt file.
16    o completing 3-dim. relaxation code: additional term
17         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
18      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
19      * At compile time, in "EXF_OPTIONS.h" set
20          #define  ALLOW_CLIMTEMP_RELAXATION
21          #define  ALLOW_CLIMSALT_RELAXATION
22      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
23          tauThetaClimRelax3Dim = 15552000.0,
24          tauSaltClimRelax3Dim  = 15552000.0,
25      * 3 cases:
26          1) Use a constant-in-time 3-dim. field
27          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
28          3) Real-time relax. to time-evolving prescribed field
29    o Adding Laplacian-type smoothness constraint on
30      initial and boundary (forcing) controls (ic, bc)
31      * enable at compile-time via
32        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
33      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
34      * Absolute scale somewhat unclear so far
35      * no area weighting was included since no other cost term does so far
36    
37    checkpoint57y_post
38    First step for a NLFS adjoint
39    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
40    o new init. routines for calc_r_star, calc_surf_dr
41    o still need to deal with ini_masks_etc
42    o testreport seemed happy
43    checkpoint57y_pre
44    
45    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
46    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
47    o add new offset feature to offline pkg (plus minor cleanup)
48    o cfc fixes for final year of integration
49    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
50      be in GCHEM_OPTIONS).
51    
52    checkpoint57x_post
53    o fix testreport Pb in multiple test experiment.
54    o cleanup our namelist syntax in verification:
55      - make it more F95 standards compliant (some work still needed)
56      - allows the vast majority of our tests to work with gfortran
57    o Non-Hydrostatic:
58     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
59     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
60    o Allow to apply AB on T,S rather than on AB(gT,gS):
61     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
62     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
63       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
64     - need a "clever" read_pickup to restart from the other AB formulation
65    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
66    o remove some unused variables (reduces number of compiler warnings)
67    o adjoint
68      * Disable useVariableViscosity for adjoint for time being
69        (there are a number of extensive recomputations)
70      * Initialize certain variables needed for adjoint
71    
72    checkpoint57w_post
73    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
74                 fix the singleCpuIO RS version of MDSWRITEFIELD
75       and add a WARNING if using globalFiles=T with multi-processors.
76    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
77      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
78    o tracer advection scheme:
79      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
80       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
81       was not very convenient).
82      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
83       (further tests needed for the implicit DST & Flux-Limiter schemes).
84    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
85      and sRef for convenience, handy, when you want to initialize
86      ptracers in a large domain with a constant non-zero value. Also,
87      untangle ptracers_init.F a little.
88    
89    checkpoint57v_post
90    o change dome exp. to use variable viscosity in side-drag terms.
91    o remove all the files from the cfc_offline test since they are now
92      incorporated into tutorial_cfc_offline which has been producing
93      identical results for a few days of testing
94    o add new parameter: sideDragFactor to enable half-slip-side BC
95      and change side-drag S/R to use viscosity from mom_calc_visc
96      (can switch back by setting sideDragFactor=0.); affects results at
97      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
98       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
99    o vorticity & strain are now computed without masking, to account for
100      no-slip-side BC in variable viscosity calculation ; mask is applied
101      anyway later on, before computing advection/coriolis terms.
102    o modify exp4 to test new obcs support for reading from external files
103      and for passive tracers
104    o fix behavior of ptracers_monitor when monitor output is written to a
105      netcdf-file; still not independent of monitor.F (writes in the same
106      file).
107    o change default value of tRef (put a uniform, meaningful value for ocean
108      & atmos) and initialize sRef (was missing, as Martin mentioned).
109    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
110      to be proportional to enstrophy dissipation length.  Thus,
111       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
112      This is now consistent with Smagorinsky and with the manual.
113    
114    checkpoint57u_post
115    o OBCS and PTRACERS: add open boundary support for passive tracers
116      - either use homogenous (pseudo) v.Neumann conditions or prescribe
117        OB-values from file; this is not different from the way theta and salinity
118        are treated
119      - however, Orlanski-radiation conditions are not supported, and the model
120        will stop if you use pTracers and Orlanski at the same time.
121      - beefed up the rountine obcs_external_fields_load: now only those open
122        boundary values are overwritten with values from files for which there
123        are really files, otherwise the OB-fields remain untouched. This makes
124        it possible to use different OBs at different ends of the domain (as
125        with EXF)
126    o reduce number of exch calls in shap_filt (s2).
127    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
128      truncation level) 4/5 MLAdjust test results (11&12 digits match).
129    
130    checkpoint57t_post
131    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
132    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
133      same truncation, independent of the face number: affects affects several
134      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
135    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
136      note that biharmonic viscosity + no-slip was not tested in any experiment.
137    o fix bug in non-linear free-surf side-drag ; generate new output for
138      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
139    o make mnc honor the writeBinaryPrec flag for most kinds of output
140    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
141    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
142      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
143    o add brackets in multi-terms sum to get same truncation, independent of
144      the face number (manage to get exactly same value of gU,gV at the cs-edge)
145      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
146    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
147      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
148      a maximum grid-scale Reynolds number.  Also, changes all length calculations
149      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
150      Suggested values of viscosity parameters found in mom_calc_visc.
151      Many new viscosity diagnostics available.
152    
153    checkpoint57s_post
154    o Add clearing-house for viscosity calculations, mom_calc_visc and
155      correct numerous bugs in LeithD and Smagorinsky discretizations.  
156      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
157      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
158      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
159      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
160      The Strain-Tension form is now called with useStrainTensonVisc=.true.
161      ViscAhStrain and viscAhTension are now retired.
162    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
163    o In response to JMC's bug report, genmake2 now ignores any soft-links
164      that it finds in the *current* directory when searching for files.
165      Soft-links found in any other source directories will still work as
166      they did before.
167    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
168      a C routine to unlimit the stack size
169    o mnc-ify pkg/aim snapshot vars
170    o mnc-ify pkg/land as requested by Daniel
171    o various changes to mnc including:
172      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
173      - output can now be grouped so that all files within a group
174          change the ITER portion of their names in lock-step together
175      - can now read ("global") PER-FACE (in addition to PER-TILE) files
176          and works with both EXCH1 and EXCH2 (but needs more testing)
177      - writing works for all verification test cases w/ g77 on Linux
178    
179    checkpoint57r_post
180    o make MNC variable initialization happen earlier
181    o add diagnostics for (almost) each term of the momentum Eq.
182    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
183    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
184    o remove MINIMAL_TAVE_OUTPUT option ;
185      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
186    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
187      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
188    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
189    o add time-dependent SST, SSS control
190    o cost terms in ecco/ modularized (new cost_generic.F)
191    o cost_averages routines are modularized (new cost_averagesgeneric.F)
192    o new infrastructure for seaice model vs. obs misfits in seaice/
193      * driver from the_main_loop.F is seaice_cost_driver.F
194      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
195      * gradient check in Exp. 6a of natl_box_adjoint/
196    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
197      (see README file)
198    
199    checkpoint57q_post
200    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
201    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
202      - bug was reported by Jean-Michel and Ian Fenty
203    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
204      update exp. cpl_aim+ocn output.
205    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
206      Needed for high-res. runs with large global files
207      to be able to limit tapelev size
208    o Changed some tests for adjoint:
209      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
210      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
211      * global_ocean.90x40x15/ back to default 3-level checkpointing
212    o Modifications to enable scripted COMMON to MODULE conversion
213      * verification/OpenAD/code/ has necessary scripts and description;
214      * converts, compiles and runs successfully;
215    
216    checkpoint57p_post
217    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
218    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
219      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
220    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
221    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
222      (was already the case for dissipation with mom_vecinv,
223       and also the case for grad.PhiHyd when staggered-timeStep)
224      This will allow to put dissipation out-off the AB time-stepping.
225     Unfortunately, affects truncation error. Update output of exp. that "fails"
226      (cg2d matching number) and leave the others for later: front_relax(10),
227      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
228      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
229    
230    checkpoint57o_post
231    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
232      (2) its ready to be documented during the 20050801 DocFest
233    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
234      for ideal_2D_oce and lab_sea on linux_ia32_g77
235    o set to #undef CTRL_SET_OLD_MAXCVARS_30
236      in global1x1_tot/code_seaice_adj to access indices 32, 33
237      (worth another tag)
238    
239    checkpoint57n_post
240    o adding precip control xx_precip 32
241    o adding swflux control xx_swflux 33
242    o Replacing 10 forcing penalty cost routines by 1 generic.
243    o Implementing partitioning in time-mean and variable adjustment
244      for atmos. state.
245    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
246    o in natl_box_adjoint:
247      * updated exp 1 to 10
248        (but does not have time-mean vs. variable split results yet)
249    o updated global1x1/*_seaice_adj/
250      to incorporate latest changes
251    o enable useSingleCpuIO for mdsio vector routines
252      (applies in particular to tapelev I/O)
253    o removed inefficient K-loop in all active_file*control*.F
254    
255    checkpoint57m_post
256    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
257      and advect_cs (use EXCH-2 and standard cs-32 grid files).
258    o pkg/exch2: filling of face-corner halo regions is optional
259      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
260    
261    checkpoint57l_post
262     tag before updating tutorials (pre-release-2)
263    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
264       for output and interpolation of input fields onto model grid)
265    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
266       Affects results of exp. rotating_tank ; update output.txt.
267    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
268          and taking the square quantity and/or using a fraction-weight field.
269    o fix aim_diagnostics_init.F mate numbers.
270    o add mnc output capability to diagnostics/diagstat and update
271      our cvsignore files for the ACSII output generated
272    
273    checkpoint57k_post
274    o lab_sea now uses diagnostics package and provides a suite of
275      new EXF diagnostics output.
276    
277    checkpoint57j_post
278    o exf
279      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
280        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
281        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
282      * extended diagnostics output
283        - now includes all EXF variables
284        - hs, hl moved to common block
285        - separate S/R for diagnostics, called after ctrl vector is added
286        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
287        - EXFqnet contains true Qnet (i.e. includes qsw)
288      * updated verif. lab_sea, global_with_exf
289      * Rearranging hflux (exf_mapfields -> exf_getforcing)
290        to ensure that diagnostics sees a true EXFqnet
291    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
292    o diagnostics pkg: change pointers so that 1 diagnostic can be used
293      several times with different frequencies.
294    o mnc-ify the thsice package as requested by Daniel Enderton
295      - the monitor--MNC output needs work
296      - many attributes need to be added (most are currently blank)
297    o mnc-ify theaim_v23 package as requested by Daniel Enderton
298      - many attributes need to be added (most are currently blank)
299    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
300    o add Sadourny like discretization to the 4th.O vorticity advection scheme
301    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
302      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
303         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
304    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
305     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
306    
307    checkpoint57i_post
308    o Diagnostics package was changed: diagnostic allocation is now deactivated
309      by setting an empty file name in the namelist (used to be by setting 0 frequency)
310    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
311      add 1rst Order upwind vertical Shear.
312    o add a quick fix for A/B checkpointing in OFFLINE mode
313    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
314      end-run around the C/Fortran linking horror in eesup/src/timers.F
315    o added pkg/runclock: allows user to terminate run based on wall clock
316    o added non-hydrostatic scaling parameter: nh_am2
317    o pkg/my82: futile attempt to make results compiler-independent by adding
318      some "_d 0", etc. no effect.
319  o for mnc output, fill the 'T' coordinate var with myTime and create a  o for mnc output, fill the 'T' coordinate var with myTime and create a
320    separate 'iter' variable for iteration count    separate 'iter' variable for iteration count
321  o pkg/diagnostics:  o pkg/diagnostics:

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