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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.610 by mlosch, Wed Feb 15 08:59:48 2006 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  o adding precip control xx_precip  checkpoint58a_post
8  o moved ptracer ctrl index 17 -> 32  o shelfice:
9      - separate shelfice load anomaly from pload (breaks with time
10        dependent forcing), => introduce constant field shelficeLoadAnomaly.
11        Its default is 0., but it may be computed more cleverly from (unknown)
12        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
13        done offline. A good approximation of the pressure load anomaly is
14        necessary to avoid large initial adjustment processes underneath
15        deep-reaching shelfice.
16      - small fix in ISOMIP shelfice_thermodynamics
17      - add more sophisticated thermodynamics of Hellmer (1989), this is
18        now the default
19      - give a few constants more intuitive names
20    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
21      if bulk formulae are used in long integration (especially EmPmR). Turn
22      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
23      if balancePrintMean, the imbalance that is substracted is printed to
24      STDOUT.
25    o fix bug (typo) in obcs_apply_eta.F
26    o add a new package shelfice which enables us to model the circulation
27      underneath shelf-ice with draughts of hundreds of meters.
28     - works
29     - to do: + include improved thermodynamics
30              + check whether kSurfC (from model/inc/SURFACE.h) can be used
31                instead of new field kTopC
32              + can we use topoFile, Ro_surf and existing code in ini_depth.F
33                instead of new field R_shelfIce and new code in ini_depth.F
34                and ini_mask_etc.F?
35              + adjust vertical mixing schemes?
36    o seaice pkg:
37     - add a cpp-flag to include a simple formula for a salinity dependent
38       freezing point of sea water at the surface
39     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
40       meridional stresses are now different (and hopefully correct)
41    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
42       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
43       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
44    o pkg/diagnostics: add options and parameters for regional-statistics
45       diagnostics ; define regions by reading a region-mask from a file
46       (might add other options later)
47    o pkg/bulk_force:
48     - add option and parameters to use AIM surface-flux formulae.
49     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
50       others forcing fields (defined in PARM05, parameter file "data") are loaded
51       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
52     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
53     - use the right EXCH call for uwind,vwind (to work on CS-grid).
54     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
55       and parameters (note: calcWindStress replaces .NOT.readwindstress).
56     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
57    
58    checkpoint58
59    o add "--embed-source" option to genmake2 which, when the supporting
60      tools can be compiled (as determined by genmake2) will turn on the
61      embed_files package which then embeds the entire MITgcm source code
62      (*.[fFhc] + Makefile) used for the build within the executable
63      - requested by CNH but off by default
64      - adds a paltry <9MB to the mitgcmuv executable in most cases
65      - only writes the output when useEMBEDSRC in eedata is true
66    o clean up 3-dim. relaxation codes:
67      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
68      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
69      * Thanks to Tom Haine for testing!
70    
71    checkpoint57z_post
72    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
73      affects output (@ truncation level) of exp. plume_on_slope ; updated.
74    o fix the pickup behavior for obcs in combination with ptracers
75    o fix a bug in ptracers_external_fields_load
76    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
77      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
78    o transfered surface NH pressure to eta field (if exactConserv).
79    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
80         and update lab_sea output.txt file.
81    o completing 3-dim. relaxation code: additional term
82         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
83      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
84      * At compile time, in "EXF_OPTIONS.h" set
85          #define  ALLOW_CLIMTEMP_RELAXATION
86          #define  ALLOW_CLIMSALT_RELAXATION
87      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
88          tauThetaClimRelax3Dim = 15552000.0,
89          tauSaltClimRelax3Dim  = 15552000.0,
90      * 3 cases:
91          1) Use a constant-in-time 3-dim. field
92          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
93          3) Real-time relax. to time-evolving prescribed field
94    o Adding Laplacian-type smoothness constraint on
95      initial and boundary (forcing) controls (ic, bc)
96      * enable at compile-time via
97        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
98      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
99      * Absolute scale somewhat unclear so far
100      * no area weighting was included since no other cost term does so far
101    
102    checkpoint57y_post
103    First step for a NLFS adjoint
104    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
105    o new init. routines for calc_r_star, calc_surf_dr
106    o still need to deal with ini_masks_etc
107    o testreport seemed happy
108    checkpoint57y_pre
109    
110    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
111    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
112    o add new offset feature to offline pkg (plus minor cleanup)
113    o cfc fixes for final year of integration
114    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
115      be in GCHEM_OPTIONS).
116    
117    checkpoint57x_post
118    o fix testreport Pb in multiple test experiment.
119    o cleanup our namelist syntax in verification:
120      - make it more F95 standards compliant (some work still needed)
121      - allows the vast majority of our tests to work with gfortran
122    o Non-Hydrostatic:
123     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
124     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
125    o Allow to apply AB on T,S rather than on AB(gT,gS):
126     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
127     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
128       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
129     - need a "clever" read_pickup to restart from the other AB formulation
130    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
131    o remove some unused variables (reduces number of compiler warnings)
132    o adjoint
133      * Disable useVariableViscosity for adjoint for time being
134        (there are a number of extensive recomputations)
135      * Initialize certain variables needed for adjoint
136    
137    checkpoint57w_post
138    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
139                 fix the singleCpuIO RS version of MDSWRITEFIELD
140       and add a WARNING if using globalFiles=T with multi-processors.
141    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
142      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
143    o tracer advection scheme:
144      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
145       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
146       was not very convenient).
147      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
148       (further tests needed for the implicit DST & Flux-Limiter schemes).
149    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
150      and sRef for convenience, handy, when you want to initialize
151      ptracers in a large domain with a constant non-zero value. Also,
152      untangle ptracers_init.F a little.
153    
154    checkpoint57v_post
155    o change dome exp. to use variable viscosity in side-drag terms.
156    o remove all the files from the cfc_offline test since they are now
157      incorporated into tutorial_cfc_offline which has been producing
158      identical results for a few days of testing
159    o add new parameter: sideDragFactor to enable half-slip-side BC
160      and change side-drag S/R to use viscosity from mom_calc_visc
161      (can switch back by setting sideDragFactor=0.); affects results at
162      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
163       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
164    o vorticity & strain are now computed without masking, to account for
165      no-slip-side BC in variable viscosity calculation ; mask is applied
166      anyway later on, before computing advection/coriolis terms.
167    o modify exp4 to test new obcs support for reading from external files
168      and for passive tracers
169    o fix behavior of ptracers_monitor when monitor output is written to a
170      netcdf-file; still not independent of monitor.F (writes in the same
171      file).
172    o change default value of tRef (put a uniform, meaningful value for ocean
173      & atmos) and initialize sRef (was missing, as Martin mentioned).
174    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
175      to be proportional to enstrophy dissipation length.  Thus,
176       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
177      This is now consistent with Smagorinsky and with the manual.
178    
179    checkpoint57u_post
180    o OBCS and PTRACERS: add open boundary support for passive tracers
181      - either use homogenous (pseudo) v.Neumann conditions or prescribe
182        OB-values from file; this is not different from the way theta and salinity
183        are treated
184      - however, Orlanski-radiation conditions are not supported, and the model
185        will stop if you use pTracers and Orlanski at the same time.
186      - beefed up the rountine obcs_external_fields_load: now only those open
187        boundary values are overwritten with values from files for which there
188        are really files, otherwise the OB-fields remain untouched. This makes
189        it possible to use different OBs at different ends of the domain (as
190        with EXF)
191    o reduce number of exch calls in shap_filt (s2).
192    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
193      truncation level) 4/5 MLAdjust test results (11&12 digits match).
194    
195    checkpoint57t_post
196    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
197    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
198      same truncation, independent of the face number: affects affects several
199      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
200    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
201      note that biharmonic viscosity + no-slip was not tested in any experiment.
202    o fix bug in non-linear free-surf side-drag ; generate new output for
203      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
204    o make mnc honor the writeBinaryPrec flag for most kinds of output
205    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
206    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
207      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
208    o add brackets in multi-terms sum to get same truncation, independent of
209      the face number (manage to get exactly same value of gU,gV at the cs-edge)
210      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
211    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
212      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
213      a maximum grid-scale Reynolds number.  Also, changes all length calculations
214      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
215      Suggested values of viscosity parameters found in mom_calc_visc.
216      Many new viscosity diagnostics available.
217    
218    checkpoint57s_post
219    o Add clearing-house for viscosity calculations, mom_calc_visc and
220      correct numerous bugs in LeithD and Smagorinsky discretizations.  
221      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
222      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
223      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
224      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
225      The Strain-Tension form is now called with useStrainTensonVisc=.true.
226      ViscAhStrain and viscAhTension are now retired.
227    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
228    o In response to JMC's bug report, genmake2 now ignores any soft-links
229      that it finds in the *current* directory when searching for files.
230      Soft-links found in any other source directories will still work as
231      they did before.
232    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
233      a C routine to unlimit the stack size
234    o mnc-ify pkg/aim snapshot vars
235    o mnc-ify pkg/land as requested by Daniel
236    o various changes to mnc including:
237      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
238      - output can now be grouped so that all files within a group
239          change the ITER portion of their names in lock-step together
240      - can now read ("global") PER-FACE (in addition to PER-TILE) files
241          and works with both EXCH1 and EXCH2 (but needs more testing)
242      - writing works for all verification test cases w/ g77 on Linux
243    
244    checkpoint57r_post
245    o make MNC variable initialization happen earlier
246    o add diagnostics for (almost) each term of the momentum Eq.
247    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
248    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
249    o remove MINIMAL_TAVE_OUTPUT option ;
250      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
251    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
252      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
253    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
254    o add time-dependent SST, SSS control
255    o cost terms in ecco/ modularized (new cost_generic.F)
256    o cost_averages routines are modularized (new cost_averagesgeneric.F)
257    o new infrastructure for seaice model vs. obs misfits in seaice/
258      * driver from the_main_loop.F is seaice_cost_driver.F
259      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
260      * gradient check in Exp. 6a of natl_box_adjoint/
261    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
262      (see README file)
263    
264    checkpoint57q_post
265    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
266    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
267      - bug was reported by Jean-Michel and Ian Fenty
268    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
269      update exp. cpl_aim+ocn output.
270    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
271      Needed for high-res. runs with large global files
272      to be able to limit tapelev size
273    o Changed some tests for adjoint:
274      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
275      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
276      * global_ocean.90x40x15/ back to default 3-level checkpointing
277    o Modifications to enable scripted COMMON to MODULE conversion
278      * verification/OpenAD/code/ has necessary scripts and description;
279      * converts, compiles and runs successfully;
280    
281    checkpoint57p_post
282    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
283    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
284      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
285    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
286    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
287      (was already the case for dissipation with mom_vecinv,
288       and also the case for grad.PhiHyd when staggered-timeStep)
289      This will allow to put dissipation out-off the AB time-stepping.
290     Unfortunately, affects truncation error. Update output of exp. that "fails"
291      (cg2d matching number) and leave the others for later: front_relax(10),
292      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
293      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
294    
295    checkpoint57o_post
296    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
297      (2) its ready to be documented during the 20050801 DocFest
298    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
299      for ideal_2D_oce and lab_sea on linux_ia32_g77
300    o set to #undef CTRL_SET_OLD_MAXCVARS_30
301      in global1x1_tot/code_seaice_adj to access indices 32, 33
302      (worth another tag)
303    
304    checkpoint57n_post
305    o adding precip control xx_precip 32
306    o adding swflux control xx_swflux 33
307    o Replacing 10 forcing penalty cost routines by 1 generic.
308    o Implementing partitioning in time-mean and variable adjustment
309      for atmos. state.
310    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
311  o in natl_box_adjoint:  o in natl_box_adjoint:
312    * updated: results_bulk/    * updated exp 1 to 10
313    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
314    o updated global1x1/*_seaice_adj/
315      to incorporate latest changes
316    o enable useSingleCpuIO for mdsio vector routines
317      (applies in particular to tapelev I/O)
318    o removed inefficient K-loop in all active_file*control*.F
319    
320  checkpoint57m_post  checkpoint57m_post
321  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)

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