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revision 1.470 by jmc, Wed Apr 6 17:36:42 2005 UTC revision 1.593 by jmc, Tue Dec 20 20:55:05 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    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    
30    checkpoint57y_post
31    First step for a NLFS adjoint
32    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
33    o new init. routines for calc_r_star, calc_surf_dr
34    o still need to deal with ini_masks_etc
35    o testreport seemed happy
36    checkpoint57y_pre
37    
38    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
39    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
40    o add new offset feature to offline pkg (plus minor cleanup)
41    o cfc fixes for final year of integration
42    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
43      be in GCHEM_OPTIONS).
44    
45    checkpoint57x_post
46    o fix testreport Pb in multiple test experiment.
47    o cleanup our namelist syntax in verification:
48      - make it more F95 standards compliant (some work still needed)
49      - allows the vast majority of our tests to work with gfortran
50    o Non-Hydrostatic:
51     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
52     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
53    o Allow to apply AB on T,S rather than on AB(gT,gS):
54     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
55     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
56       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
57     - need a "clever" read_pickup to restart from the other AB formulation
58    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
59    o remove some unused variables (reduces number of compiler warnings)
60    o adjoint
61      * Disable useVariableViscosity for adjoint for time being
62        (there are a number of extensive recomputations)
63      * Initialize certain variables needed for adjoint
64    
65    checkpoint57w_post
66    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
67                 fix the singleCpuIO RS version of MDSWRITEFIELD
68       and add a WARNING if using globalFiles=T with multi-processors.
69    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
70      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
71    o tracer advection scheme:
72      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
73       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
74       was not very convenient).
75      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
76       (further tests needed for the implicit DST & Flux-Limiter schemes).
77    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
78      and sRef for convenience, handy, when you want to initialize
79      ptracers in a large domain with a constant non-zero value. Also,
80      untangle ptracers_init.F a little.
81    
82    checkpoint57v_post
83    o change dome exp. to use variable viscosity in side-drag terms.
84    o remove all the files from the cfc_offline test since they are now
85      incorporated into tutorial_cfc_offline which has been producing
86      identical results for a few days of testing
87    o add new parameter: sideDragFactor to enable half-slip-side BC
88      and change side-drag S/R to use viscosity from mom_calc_visc
89      (can switch back by setting sideDragFactor=0.); affects results at
90      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
91       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
92    o vorticity & strain are now computed without masking, to account for
93      no-slip-side BC in variable viscosity calculation ; mask is applied
94      anyway later on, before computing advection/coriolis terms.
95    o modify exp4 to test new obcs support for reading from external files
96      and for passive tracers
97    o fix behavior of ptracers_monitor when monitor output is written to a
98      netcdf-file; still not independent of monitor.F (writes in the same
99      file).
100    o change default value of tRef (put a uniform, meaningful value for ocean
101      & atmos) and initialize sRef (was missing, as Martin mentioned).
102    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
103      to be proportional to enstrophy dissipation length.  Thus,
104       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
105      This is now consistent with Smagorinsky and with the manual.
106    
107    checkpoint57u_post
108    o OBCS and PTRACERS: add open boundary support for passive tracers
109      - either use homogenous (pseudo) v.Neumann conditions or prescribe
110        OB-values from file; this is not different from the way theta and salinity
111        are treated
112      - however, Orlanski-radiation conditions are not supported, and the model
113        will stop if you use pTracers and Orlanski at the same time.
114      - beefed up the rountine obcs_external_fields_load: now only those open
115        boundary values are overwritten with values from files for which there
116        are really files, otherwise the OB-fields remain untouched. This makes
117        it possible to use different OBs at different ends of the domain (as
118        with EXF)
119    o reduce number of exch calls in shap_filt (s2).
120    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
121      truncation level) 4/5 MLAdjust test results (11&12 digits match).
122    
123    checkpoint57t_post
124    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
125    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
126      same truncation, independent of the face number: affects affects several
127      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
128    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
129      note that biharmonic viscosity + no-slip was not tested in any experiment.
130    o fix bug in non-linear free-surf side-drag ; generate new output for
131      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
132    o make mnc honor the writeBinaryPrec flag for most kinds of output
133    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
134    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
135      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
136    o add brackets in multi-terms sum to get same truncation, independent of
137      the face number (manage to get exactly same value of gU,gV at the cs-edge)
138      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
139    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
140      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
141      a maximum grid-scale Reynolds number.  Also, changes all length calculations
142      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
143      Suggested values of viscosity parameters found in mom_calc_visc.
144      Many new viscosity diagnostics available.
145    
146    checkpoint57s_post
147    o Add clearing-house for viscosity calculations, mom_calc_visc and
148      correct numerous bugs in LeithD and Smagorinsky discretizations.  
149      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
150      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
151      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
152      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
153      The Strain-Tension form is now called with useStrainTensonVisc=.true.
154      ViscAhStrain and viscAhTension are now retired.
155    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
156    o In response to JMC's bug report, genmake2 now ignores any soft-links
157      that it finds in the *current* directory when searching for files.
158      Soft-links found in any other source directories will still work as
159      they did before.
160    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
161      a C routine to unlimit the stack size
162    o mnc-ify pkg/aim snapshot vars
163    o mnc-ify pkg/land as requested by Daniel
164    o various changes to mnc including:
165      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
166      - output can now be grouped so that all files within a group
167          change the ITER portion of their names in lock-step together
168      - can now read ("global") PER-FACE (in addition to PER-TILE) files
169          and works with both EXCH1 and EXCH2 (but needs more testing)
170      - writing works for all verification test cases w/ g77 on Linux
171    
172    checkpoint57r_post
173    o make MNC variable initialization happen earlier
174    o add diagnostics for (almost) each term of the momentum Eq.
175    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
176    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
177    o remove MINIMAL_TAVE_OUTPUT option ;
178      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
179    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
180      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
181    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
182    o add time-dependent SST, SSS control
183    o cost terms in ecco/ modularized (new cost_generic.F)
184    o cost_averages routines are modularized (new cost_averagesgeneric.F)
185    o new infrastructure for seaice model vs. obs misfits in seaice/
186      * driver from the_main_loop.F is seaice_cost_driver.F
187      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
188      * gradient check in Exp. 6a of natl_box_adjoint/
189    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
190      (see README file)
191    
192    checkpoint57q_post
193    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
194    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
195      - bug was reported by Jean-Michel and Ian Fenty
196    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
197      update exp. cpl_aim+ocn output.
198    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
199      Needed for high-res. runs with large global files
200      to be able to limit tapelev size
201    o Changed some tests for adjoint:
202      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
203      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
204      * global_ocean.90x40x15/ back to default 3-level checkpointing
205    o Modifications to enable scripted COMMON to MODULE conversion
206      * verification/OpenAD/code/ has necessary scripts and description;
207      * converts, compiles and runs successfully;
208    
209    checkpoint57p_post
210    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
211    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
212      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
213    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
214    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
215      (was already the case for dissipation with mom_vecinv,
216       and also the case for grad.PhiHyd when staggered-timeStep)
217      This will allow to put dissipation out-off the AB time-stepping.
218     Unfortunately, affects truncation error. Update output of exp. that "fails"
219      (cg2d matching number) and leave the others for later: front_relax(10),
220      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
221      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
222    
223    checkpoint57o_post
224    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
225      (2) its ready to be documented during the 20050801 DocFest
226    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
227      for ideal_2D_oce and lab_sea on linux_ia32_g77
228    o set to #undef CTRL_SET_OLD_MAXCVARS_30
229      in global1x1_tot/code_seaice_adj to access indices 32, 33
230      (worth another tag)
231    
232    checkpoint57n_post
233    o adding precip control xx_precip 32
234    o adding swflux control xx_swflux 33
235    o Replacing 10 forcing penalty cost routines by 1 generic.
236    o Implementing partitioning in time-mean and variable adjustment
237      for atmos. state.
238    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
239    o in natl_box_adjoint:
240      * updated exp 1 to 10
241        (but does not have time-mean vs. variable split results yet)
242    o updated global1x1/*_seaice_adj/
243      to incorporate latest changes
244    o enable useSingleCpuIO for mdsio vector routines
245      (applies in particular to tapelev I/O)
246    o removed inefficient K-loop in all active_file*control*.F
247    
248    checkpoint57m_post
249    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
250      and advect_cs (use EXCH-2 and standard cs-32 grid files).
251    o pkg/exch2: filling of face-corner halo regions is optional
252      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
253    
254    checkpoint57l_post
255     tag before updating tutorials (pre-release-2)
256    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
257       for output and interpolation of input fields onto model grid)
258    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
259       Affects results of exp. rotating_tank ; update output.txt.
260    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
261          and taking the square quantity and/or using a fraction-weight field.
262    o fix aim_diagnostics_init.F mate numbers.
263    o add mnc output capability to diagnostics/diagstat and update
264      our cvsignore files for the ACSII output generated
265    
266    checkpoint57k_post
267    o lab_sea now uses diagnostics package and provides a suite of
268      new EXF diagnostics output.
269    
270    checkpoint57j_post
271    o exf
272      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
273        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
274        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
275      * extended diagnostics output
276        - now includes all EXF variables
277        - hs, hl moved to common block
278        - separate S/R for diagnostics, called after ctrl vector is added
279        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
280        - EXFqnet contains true Qnet (i.e. includes qsw)
281      * updated verif. lab_sea, global_with_exf
282      * Rearranging hflux (exf_mapfields -> exf_getforcing)
283        to ensure that diagnostics sees a true EXFqnet
284    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
285    o diagnostics pkg: change pointers so that 1 diagnostic can be used
286      several times with different frequencies.
287    o mnc-ify the thsice package as requested by Daniel Enderton
288      - the monitor--MNC output needs work
289      - many attributes need to be added (most are currently blank)
290    o mnc-ify theaim_v23 package as requested by Daniel Enderton
291      - many attributes need to be added (most are currently blank)
292    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
293    o add Sadourny like discretization to the 4th.O vorticity advection scheme
294    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
295      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
296         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
297    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
298     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
299    
300    checkpoint57i_post
301    o Diagnostics package was changed: diagnostic allocation is now deactivated
302      by setting an empty file name in the namelist (used to be by setting 0 frequency)
303    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
304      add 1rst Order upwind vertical Shear.
305    o add a quick fix for A/B checkpointing in OFFLINE mode
306    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
307      end-run around the C/Fortran linking horror in eesup/src/timers.F
308    o added pkg/runclock: allows user to terminate run based on wall clock
309    o added non-hydrostatic scaling parameter: nh_am2
310    o pkg/my82: futile attempt to make results compiler-independent by adding
311      some "_d 0", etc. no effect.
312    o for mnc output, fill the 'T' coordinate var with myTime and create a
313      separate 'iter' variable for iteration count
314    o pkg/diagnostics:
315      add new capability: output of Global/Regional & per-level statistics ;
316      tested against monitor output (including land & thSIce) on various exp.
317    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
318    
319    checkpoint57h_done
320      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
321      data.diagnostics, data.gchem, data.ptracers) is done.
322    
323    o pkg/diagnostics: prepare for Global/Regional statistics.
324      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
325    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
326      and rename it: DIFFERENT_MULTIPLE
327    
328    checkpoint57h_post
329    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
330    o pkg/diagnostics: change output frequency, now in seconds (instead
331      of Nb of iterations). This requires to change data.diagnostics.
332    checkpoint57h_pre
333    
334    o in mnc, let the user create the output dir if both mnc_outdir_date
335      and mnc_outdir_num are false
336    o add fflags() to pkg/diagnostics which allows one to specify, on a
337      per-file basis, the file precision [default behavior is unchanged]
338    o added diagnostics to pkg/kpp, including computation of mixed layer
339      depth based on a temperature/density criterion
340    o updated verification/natl_box to test the new pkg/kpp diagnostics
341    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
342    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
343    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
344      not mnc -- this mistake was found by JMC and is now corrected
345    
346    checkpoint57g_post
347    o add Adams-Bashforth 3rd Order time stepping:
348      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
349      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
350    checkpoint57g_pre
351    
352    o make lambda[Theta,Salt]ClimRelax spatially varying
353      (default remains spatially uniform constant based on tau)
354    o added new control variables
355      * init. uVel, vVel, etanN
356      * lambda[Theta,Salt]ClimRelax
357    o separate masks used for ctrl_pack/unpack 'from write_grid' output
358      (suggested by G. Forget)
359    
360    checkpoint57f_post
361    o add parameter "baseTime" = model base time = time at iteration zero
362      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
363      account for baseTime shift
364    o move Coriolis arrays from PARAMS.h to GRID.h
365  checkpoint57f_pre  checkpoint57f_pre
366    
367  o mnc-ifying the seaice package  o mnc-ifying the seaice package
# Line 26  o adjoint-related modifications Line 385  o adjoint-related modifications
385    
386  checkpoint57e_post  checkpoint57e_post
387  o Adding eddy stress controls a la Ferreira et al.  o Adding eddy stress controls a la Ferreira et al.
388  checkpoint57e_pre  checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
389    
390  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
391    update output.txt of exp. fizhi-gridalt-hs    update output.txt of exp. fizhi-gridalt-hs

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