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revision 1.470 by jmc, Wed Apr 6 17:36:42 2005 UTC revision 1.596 by jmc, Sat Dec 31 01:21:41 2005 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint57z_post
8    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
9      affects output (@ truncation level) of exp. plume_on_slope ; updated.
10    o fix the pickup behavior for obcs in combination with ptracers
11    o fix a bug in ptracers_external_fields_load
12    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
13      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
14    o transfered surface NH pressure to eta field (if exactConserv).
15    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
16         and update lab_sea output.txt file.
17    o completing 3-dim. relaxation code: additional term
18         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
19      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
20      * At compile time, in "EXF_OPTIONS.h" set
21          #define  ALLOW_CLIMTEMP_RELAXATION
22          #define  ALLOW_CLIMSALT_RELAXATION
23      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
24          tauThetaClimRelax3Dim = 15552000.0,
25          tauSaltClimRelax3Dim  = 15552000.0,
26      * 3 cases:
27          1) Use a constant-in-time 3-dim. field
28          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
29          3) Real-time relax. to time-evolving prescribed field
30    o Adding Laplacian-type smoothness constraint on
31      initial and boundary (forcing) controls (ic, bc)
32      * enable at compile-time via
33        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
34      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
35      * Absolute scale somewhat unclear so far
36      * no area weighting was included since no other cost term does so far
37    
38    checkpoint57y_post
39    First step for a NLFS adjoint
40    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
41    o new init. routines for calc_r_star, calc_surf_dr
42    o still need to deal with ini_masks_etc
43    o testreport seemed happy
44    checkpoint57y_pre
45    
46    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
47    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
48    o add new offset feature to offline pkg (plus minor cleanup)
49    o cfc fixes for final year of integration
50    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
51      be in GCHEM_OPTIONS).
52    
53    checkpoint57x_post
54    o fix testreport Pb in multiple test experiment.
55    o cleanup our namelist syntax in verification:
56      - make it more F95 standards compliant (some work still needed)
57      - allows the vast majority of our tests to work with gfortran
58    o Non-Hydrostatic:
59     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
60     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
61    o Allow to apply AB on T,S rather than on AB(gT,gS):
62     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
63     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
64       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
65     - need a "clever" read_pickup to restart from the other AB formulation
66    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
67    o remove some unused variables (reduces number of compiler warnings)
68    o adjoint
69      * Disable useVariableViscosity for adjoint for time being
70        (there are a number of extensive recomputations)
71      * Initialize certain variables needed for adjoint
72    
73    checkpoint57w_post
74    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
75                 fix the singleCpuIO RS version of MDSWRITEFIELD
76       and add a WARNING if using globalFiles=T with multi-processors.
77    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
78      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
79    o tracer advection scheme:
80      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
81       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
82       was not very convenient).
83      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
84       (further tests needed for the implicit DST & Flux-Limiter schemes).
85    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
86      and sRef for convenience, handy, when you want to initialize
87      ptracers in a large domain with a constant non-zero value. Also,
88      untangle ptracers_init.F a little.
89    
90    checkpoint57v_post
91    o change dome exp. to use variable viscosity in side-drag terms.
92    o remove all the files from the cfc_offline test since they are now
93      incorporated into tutorial_cfc_offline which has been producing
94      identical results for a few days of testing
95    o add new parameter: sideDragFactor to enable half-slip-side BC
96      and change side-drag S/R to use viscosity from mom_calc_visc
97      (can switch back by setting sideDragFactor=0.); affects results at
98      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
99       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
100    o vorticity & strain are now computed without masking, to account for
101      no-slip-side BC in variable viscosity calculation ; mask is applied
102      anyway later on, before computing advection/coriolis terms.
103    o modify exp4 to test new obcs support for reading from external files
104      and for passive tracers
105    o fix behavior of ptracers_monitor when monitor output is written to a
106      netcdf-file; still not independent of monitor.F (writes in the same
107      file).
108    o change default value of tRef (put a uniform, meaningful value for ocean
109      & atmos) and initialize sRef (was missing, as Martin mentioned).
110    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
111      to be proportional to enstrophy dissipation length.  Thus,
112       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
113      This is now consistent with Smagorinsky and with the manual.
114    
115    checkpoint57u_post
116    o OBCS and PTRACERS: add open boundary support for passive tracers
117      - either use homogenous (pseudo) v.Neumann conditions or prescribe
118        OB-values from file; this is not different from the way theta and salinity
119        are treated
120      - however, Orlanski-radiation conditions are not supported, and the model
121        will stop if you use pTracers and Orlanski at the same time.
122      - beefed up the rountine obcs_external_fields_load: now only those open
123        boundary values are overwritten with values from files for which there
124        are really files, otherwise the OB-fields remain untouched. This makes
125        it possible to use different OBs at different ends of the domain (as
126        with EXF)
127    o reduce number of exch calls in shap_filt (s2).
128    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
129      truncation level) 4/5 MLAdjust test results (11&12 digits match).
130    
131    checkpoint57t_post
132    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
133    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
134      same truncation, independent of the face number: affects affects several
135      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
136    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
137      note that biharmonic viscosity + no-slip was not tested in any experiment.
138    o fix bug in non-linear free-surf side-drag ; generate new output for
139      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
140    o make mnc honor the writeBinaryPrec flag for most kinds of output
141    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
142    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
143      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
144    o add brackets in multi-terms sum to get same truncation, independent of
145      the face number (manage to get exactly same value of gU,gV at the cs-edge)
146      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
147    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
148      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
149      a maximum grid-scale Reynolds number.  Also, changes all length calculations
150      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
151      Suggested values of viscosity parameters found in mom_calc_visc.
152      Many new viscosity diagnostics available.
153    
154    checkpoint57s_post
155    o Add clearing-house for viscosity calculations, mom_calc_visc and
156      correct numerous bugs in LeithD and Smagorinsky discretizations.  
157      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
158      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
159      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
160      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
161      The Strain-Tension form is now called with useStrainTensonVisc=.true.
162      ViscAhStrain and viscAhTension are now retired.
163    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
164    o In response to JMC's bug report, genmake2 now ignores any soft-links
165      that it finds in the *current* directory when searching for files.
166      Soft-links found in any other source directories will still work as
167      they did before.
168    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
169      a C routine to unlimit the stack size
170    o mnc-ify pkg/aim snapshot vars
171    o mnc-ify pkg/land as requested by Daniel
172    o various changes to mnc including:
173      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
174      - output can now be grouped so that all files within a group
175          change the ITER portion of their names in lock-step together
176      - can now read ("global") PER-FACE (in addition to PER-TILE) files
177          and works with both EXCH1 and EXCH2 (but needs more testing)
178      - writing works for all verification test cases w/ g77 on Linux
179    
180    checkpoint57r_post
181    o make MNC variable initialization happen earlier
182    o add diagnostics for (almost) each term of the momentum Eq.
183    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
184    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
185    o remove MINIMAL_TAVE_OUTPUT option ;
186      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
187    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
188      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
189    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
190    o add time-dependent SST, SSS control
191    o cost terms in ecco/ modularized (new cost_generic.F)
192    o cost_averages routines are modularized (new cost_averagesgeneric.F)
193    o new infrastructure for seaice model vs. obs misfits in seaice/
194      * driver from the_main_loop.F is seaice_cost_driver.F
195      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
196      * gradient check in Exp. 6a of natl_box_adjoint/
197    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
198      (see README file)
199    
200    checkpoint57q_post
201    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
202    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
203      - bug was reported by Jean-Michel and Ian Fenty
204    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
205      update exp. cpl_aim+ocn output.
206    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
207      Needed for high-res. runs with large global files
208      to be able to limit tapelev size
209    o Changed some tests for adjoint:
210      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
211      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
212      * global_ocean.90x40x15/ back to default 3-level checkpointing
213    o Modifications to enable scripted COMMON to MODULE conversion
214      * verification/OpenAD/code/ has necessary scripts and description;
215      * converts, compiles and runs successfully;
216    
217    checkpoint57p_post
218    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
219    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
220      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
221    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
222    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
223      (was already the case for dissipation with mom_vecinv,
224       and also the case for grad.PhiHyd when staggered-timeStep)
225      This will allow to put dissipation out-off the AB time-stepping.
226     Unfortunately, affects truncation error. Update output of exp. that "fails"
227      (cg2d matching number) and leave the others for later: front_relax(10),
228      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
229      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
230    
231    checkpoint57o_post
232    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
233      (2) its ready to be documented during the 20050801 DocFest
234    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
235      for ideal_2D_oce and lab_sea on linux_ia32_g77
236    o set to #undef CTRL_SET_OLD_MAXCVARS_30
237      in global1x1_tot/code_seaice_adj to access indices 32, 33
238      (worth another tag)
239    
240    checkpoint57n_post
241    o adding precip control xx_precip 32
242    o adding swflux control xx_swflux 33
243    o Replacing 10 forcing penalty cost routines by 1 generic.
244    o Implementing partitioning in time-mean and variable adjustment
245      for atmos. state.
246    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
247    o in natl_box_adjoint:
248      * updated exp 1 to 10
249        (but does not have time-mean vs. variable split results yet)
250    o updated global1x1/*_seaice_adj/
251      to incorporate latest changes
252    o enable useSingleCpuIO for mdsio vector routines
253      (applies in particular to tapelev I/O)
254    o removed inefficient K-loop in all active_file*control*.F
255    
256    checkpoint57m_post
257    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
258      and advect_cs (use EXCH-2 and standard cs-32 grid files).
259    o pkg/exch2: filling of face-corner halo regions is optional
260      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
261    
262    checkpoint57l_post
263     tag before updating tutorials (pre-release-2)
264    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
265       for output and interpolation of input fields onto model grid)
266    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
267       Affects results of exp. rotating_tank ; update output.txt.
268    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
269          and taking the square quantity and/or using a fraction-weight field.
270    o fix aim_diagnostics_init.F mate numbers.
271    o add mnc output capability to diagnostics/diagstat and update
272      our cvsignore files for the ACSII output generated
273    
274    checkpoint57k_post
275    o lab_sea now uses diagnostics package and provides a suite of
276      new EXF diagnostics output.
277    
278    checkpoint57j_post
279    o exf
280      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
281        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
282        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
283      * extended diagnostics output
284        - now includes all EXF variables
285        - hs, hl moved to common block
286        - separate S/R for diagnostics, called after ctrl vector is added
287        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
288        - EXFqnet contains true Qnet (i.e. includes qsw)
289      * updated verif. lab_sea, global_with_exf
290      * Rearranging hflux (exf_mapfields -> exf_getforcing)
291        to ensure that diagnostics sees a true EXFqnet
292    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
293    o diagnostics pkg: change pointers so that 1 diagnostic can be used
294      several times with different frequencies.
295    o mnc-ify the thsice package as requested by Daniel Enderton
296      - the monitor--MNC output needs work
297      - many attributes need to be added (most are currently blank)
298    o mnc-ify theaim_v23 package as requested by Daniel Enderton
299      - many attributes need to be added (most are currently blank)
300    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
301    o add Sadourny like discretization to the 4th.O vorticity advection scheme
302    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
303      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
304         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
305    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
306     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
307    
308    checkpoint57i_post
309    o Diagnostics package was changed: diagnostic allocation is now deactivated
310      by setting an empty file name in the namelist (used to be by setting 0 frequency)
311    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
312      add 1rst Order upwind vertical Shear.
313    o add a quick fix for A/B checkpointing in OFFLINE mode
314    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
315      end-run around the C/Fortran linking horror in eesup/src/timers.F
316    o added pkg/runclock: allows user to terminate run based on wall clock
317    o added non-hydrostatic scaling parameter: nh_am2
318    o pkg/my82: futile attempt to make results compiler-independent by adding
319      some "_d 0", etc. no effect.
320    o for mnc output, fill the 'T' coordinate var with myTime and create a
321      separate 'iter' variable for iteration count
322    o pkg/diagnostics:
323      add new capability: output of Global/Regional & per-level statistics ;
324      tested against monitor output (including land & thSIce) on various exp.
325    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
326    
327    checkpoint57h_done
328      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
329      data.diagnostics, data.gchem, data.ptracers) is done.
330    
331    o pkg/diagnostics: prepare for Global/Regional statistics.
332      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
333    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
334      and rename it: DIFFERENT_MULTIPLE
335    
336    checkpoint57h_post
337    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
338    o pkg/diagnostics: change output frequency, now in seconds (instead
339      of Nb of iterations). This requires to change data.diagnostics.
340    checkpoint57h_pre
341    
342    o in mnc, let the user create the output dir if both mnc_outdir_date
343      and mnc_outdir_num are false
344    o add fflags() to pkg/diagnostics which allows one to specify, on a
345      per-file basis, the file precision [default behavior is unchanged]
346    o added diagnostics to pkg/kpp, including computation of mixed layer
347      depth based on a temperature/density criterion
348    o updated verification/natl_box to test the new pkg/kpp diagnostics
349    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
350    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
351    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
352      not mnc -- this mistake was found by JMC and is now corrected
353    
354    checkpoint57g_post
355    o add Adams-Bashforth 3rd Order time stepping:
356      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
357      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
358    checkpoint57g_pre
359    
360    o make lambda[Theta,Salt]ClimRelax spatially varying
361      (default remains spatially uniform constant based on tau)
362    o added new control variables
363      * init. uVel, vVel, etanN
364      * lambda[Theta,Salt]ClimRelax
365    o separate masks used for ctrl_pack/unpack 'from write_grid' output
366      (suggested by G. Forget)
367    
368    checkpoint57f_post
369    o add parameter "baseTime" = model base time = time at iteration zero
370      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
371      account for baseTime shift
372    o move Coriolis arrays from PARAMS.h to GRID.h
373  checkpoint57f_pre  checkpoint57f_pre
374    
375  o mnc-ifying the seaice package  o mnc-ifying the seaice package
# Line 26  o adjoint-related modifications Line 393  o adjoint-related modifications
393    
394  checkpoint57e_post  checkpoint57e_post
395  o Adding eddy stress controls a la Ferreira et al.  o Adding eddy stress controls a la Ferreira et al.
396  checkpoint57e_pre  checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
397    
398  o fizhi pkg: fix AtoC and CtoA when called with same input & output array  o fizhi pkg: fix AtoC and CtoA when called with same input & output array
399    update output.txt of exp. fizhi-gridalt-hs    update output.txt of exp. fizhi-gridalt-hs

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