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revision 1.390 by jmc, Sun Nov 21 22:22:31 2004 UTC revision 1.649 by mlosch, Tue Apr 18 13:47:40 2006 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 obcs and ptracers: fix boundary conditions for advections schemes
8      with larger stencil
9    o thsice adjoint: start
10    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
11      completeness
12    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
13      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
14    o ptracers adjoint:
15      * avoid extensive recomputatations
16      * fix missing re-init. of gptr (missed by TAF)
17    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
18      me to turn off the excessive output to STDOUT that this package produces
19    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
20      and add those terms in Vector-Invariant formulation.
21    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
22      if the control period (xx_hfluxperiod etc) is 0
23    o in profiles pkg, clean routines and fix details
24    o in ecco pkg, reading ssh data:
25      fix problem in case the model does not start at iter0=0
26    o fix mnc-pickup/restart for ptracers
27    o new package prifiles:
28      code to compute profile-based cost by Gael Forget
29      (modifs in ecco, ctrl, autodiff)
30    o Benign bug fix in initialization (spotted by M. Mazloff) of
31      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
32    
33    checkpoint58c_post
34    o adjoint: finish NLFS adjoint and provide reference output in
35      verification/global_ocean.90x40x15/results_ad_nlfs
36    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
37      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
38      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
39      with SEAICE_CGRID defined.
40    o move calendarDumps from "data" to "data.cal" and clean-up the code
41      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
42    o add useEXF & useCAL flags (for now, set in hard-coded way)
43    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
44      (were missing in NH mode, and wrong in quasihydrostatic mode).
45      waiting for Chris updated version of calc_gw to add those CALLs.
46    o fix bug in quasihydrostatic S/R ;
47      add a test for this option: global_ocean.90x40x15.qshyd
48    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
49      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
50    o add on/off flag useOffLine for package OFFLINE
51    o seaice:
52      - modify advection so that it works also on the C-grid
53      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
54        problem in multi-tile runs with C-grid
55      - add flags for clipping ice velocities and/or masking solver forcing
56      - fix drag (ocean on ice) formulation and a bug that caused noise in the
57        C-grid solver
58      - added a few comments to seaice_diffusion.F
59      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
60        are now exclusive)
61      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
62        required re-ordering the code a little:
63       + make DAIRN global variable (defined in SEAICE)
64       + move computation of the viscosities eta and zeta into a new separate
65         routine (because I need to recompute them in seaice_ocean_stress.F)
66    
67    checkpoint58b_post
68    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
69      update output.txt of exp. aim.5l_cs.thSI
70    o various mnc cleanups and improvements:
71      + shrink lookup tables by factor of ~4
72      + better error reporting when running out of lookup space
73      + able to handle longer path/file names (up to 500 chars)
74    o adjoint:
75      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
76      - TBD: "hidden" mom_vecinv recomp. in dynamics
77    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
78     (allow to differentiate between forcing components using new integer flags:
79      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
80     and add new flag to put Dissipation tendency out of Adams-Bashforth.
81    o ecco
82      - enable trend removal from SSH anomaly obs.
83    o adjoint
84      - a fix for PmEpR when #undef EXACT_CONSERV
85      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
86      - try to fix "hidden" recomp. in forward_step for NLFS
87        (NLFS seems broken sometimes after I checked it in)
88    o seaice:
89     - add c-grid version of the dynamic solver:
90       + three new routines that are the c-grid substitute lsr, dynsolver
91         and ostres
92       + put a few fields that were local to dynsolver into global common
93         blocks, so that I can move the computation of stresses etc into
94         seaice_lsr (saves coding but may break the adjoint).
95     - replace more hardwired parameters by runtime parameters
96     - add ice masks that mask the rhs of the implicit solvers where there
97       is no ice (commented out in seaice_dynsolver, because i am not sure
98       if this works properly), eventually this should replace the clipping
99       of ice velocities in seaice_dynsolver to +/-40cm/s.
100    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
101      include it only where its needed
102    o move balancing of fluxes before the call of external_forcing_surf
103    o seaice:
104      - correct units of turning angles (now they are really in degrees)
105      - move computation of GWATX/Y out of main routine into dynsolver
106      - initialize GWATX/Y in seaice_init
107    o Apply mask on Fresh-Water flux (needed for SSH forcing).
108      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
109    o seaice: add runtime flags for turning angles (default to zero)
110    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
111      and trend from exf forcing and ctrl control adjustments
112    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
113      (since checkpoint57x_post)
114    o change the default rotation period to 86164.s = the Earth rotation
115    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
116      and based on a reference stratification. Tested within hs94.cs-32x32x5.
117    o seaice advection: add code for choosing between the default (2nd order
118      central differences) and multiDim advection schemes provided by
119      pkg/generic_advdiff
120    o seaice:
121      - removed all references to SEAICE_GRID.h fields from
122        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
123        (cubed-sphere configuration will change a little)
124      - grid computations in seaice_init are obsolete now.
125      - cleaned up code a little so that is easier to read (hopefully).
126      - added new (better?) discretizations of default advection and diffusion
127        (turn on with SEAICEuseFluxForm)
128      - replace 1 in 3d global fields by kSurface in growth.F
129      
130    checkpoint58a_post
131    o seaice:
132      - bug fix in advect.F
133    o shelfice:
134      - separate shelfice load anomaly from pload (breaks with time
135        dependent forcing), => introduce constant field shelficeLoadAnomaly.
136        Its default is 0., but it may be computed more cleverly from (unknown)
137        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
138        done offline. A good approximation of the pressure load anomaly is
139        necessary to avoid large initial adjustment processes underneath
140        deep-reaching shelfice.
141      - small fix in ISOMIP shelfice_thermodynamics
142      - add more sophisticated thermodynamics of Hellmer (1989), this is
143        now the default
144      - give a few constants more intuitive names
145    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
146      if bulk formulae are used in long integration (especially EmPmR). Turn
147      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
148      if balancePrintMean, the imbalance that is substracted is printed to
149      STDOUT.
150    o fix bug (typo) in obcs_apply_eta.F
151    o add a new package shelfice which enables us to model the circulation
152      underneath shelf-ice with draughts of hundreds of meters.
153     - works
154     - to do: + include improved thermodynamics
155              + check whether kSurfC (from model/inc/SURFACE.h) can be used
156                instead of new field kTopC
157              + can we use topoFile, Ro_surf and existing code in ini_depth.F
158                instead of new field R_shelfIce and new code in ini_depth.F
159                and ini_mask_etc.F?
160              + adjust vertical mixing schemes?
161    o seaice pkg:
162     - add a cpp-flag to include a simple formula for a salinity dependent
163       freezing point of sea water at the surface
164     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
165       meridional stresses are now different (and hopefully correct)
166    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
167       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
168       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
169    o pkg/diagnostics: add options and parameters for regional-statistics
170       diagnostics ; define regions by reading a region-mask from a file
171       (might add other options later)
172    o pkg/bulk_force:
173     - add option and parameters to use AIM surface-flux formulae.
174     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
175       others forcing fields (defined in PARM05, parameter file "data") are loaded
176       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
177     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
178     - use the right EXCH call for uwind,vwind (to work on CS-grid).
179     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
180       and parameters (note: calcWindStress replaces .NOT.readwindstress).
181     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
182    
183    checkpoint58
184    o add "--embed-source" option to genmake2 which, when the supporting
185      tools can be compiled (as determined by genmake2) will turn on the
186      embed_files package which then embeds the entire MITgcm source code
187      (*.[fFhc] + Makefile) used for the build within the executable
188      - requested by CNH but off by default
189      - adds a paltry <9MB to the mitgcmuv executable in most cases
190      - only writes the output when useEMBEDSRC in eedata is true
191    o clean up 3-dim. relaxation codes:
192      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
193      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
194      * Thanks to Tom Haine for testing!
195    
196    checkpoint57z_post
197    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
198      affects output (@ truncation level) of exp. plume_on_slope ; updated.
199    o fix the pickup behavior for obcs in combination with ptracers
200    o fix a bug in ptracers_external_fields_load
201    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
202      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
203    o transfered surface NH pressure to eta field (if exactConserv).
204    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
205         and update lab_sea output.txt file.
206    o completing 3-dim. relaxation code: additional term
207         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
208      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
209      * At compile time, in "EXF_OPTIONS.h" set
210          #define  ALLOW_CLIMTEMP_RELAXATION
211          #define  ALLOW_CLIMSALT_RELAXATION
212      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
213          tauThetaClimRelax3Dim = 15552000.0,
214          tauSaltClimRelax3Dim  = 15552000.0,
215      * 3 cases:
216          1) Use a constant-in-time 3-dim. field
217          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
218          3) Real-time relax. to time-evolving prescribed field
219    o Adding Laplacian-type smoothness constraint on
220      initial and boundary (forcing) controls (ic, bc)
221      * enable at compile-time via
222        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
223      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
224      * Absolute scale somewhat unclear so far
225      * no area weighting was included since no other cost term does so far
226    
227    checkpoint57y_post
228    First step for a NLFS adjoint
229    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
230    o new init. routines for calc_r_star, calc_surf_dr
231    o still need to deal with ini_masks_etc
232    o testreport seemed happy
233    checkpoint57y_pre
234    
235    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
236    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
237    o add new offset feature to offline pkg (plus minor cleanup)
238    o cfc fixes for final year of integration
239    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
240      be in GCHEM_OPTIONS).
241    
242    checkpoint57x_post
243    o fix testreport Pb in multiple test experiment.
244    o cleanup our namelist syntax in verification:
245      - make it more F95 standards compliant (some work still needed)
246      - allows the vast majority of our tests to work with gfortran
247    o Non-Hydrostatic:
248     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
249     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
250    o Allow to apply AB on T,S rather than on AB(gT,gS):
251     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
252     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
253       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
254     - need a "clever" read_pickup to restart from the other AB formulation
255    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
256    o remove some unused variables (reduces number of compiler warnings)
257    o adjoint
258      * Disable useVariableViscosity for adjoint for time being
259        (there are a number of extensive recomputations)
260      * Initialize certain variables needed for adjoint
261    
262    checkpoint57w_post
263    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
264                 fix the singleCpuIO RS version of MDSWRITEFIELD
265       and add a WARNING if using globalFiles=T with multi-processors.
266    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
267      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
268    o tracer advection scheme:
269      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
270       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
271       was not very convenient).
272      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
273       (further tests needed for the implicit DST & Flux-Limiter schemes).
274    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
275      and sRef for convenience, handy, when you want to initialize
276      ptracers in a large domain with a constant non-zero value. Also,
277      untangle ptracers_init.F a little.
278    
279    checkpoint57v_post
280    o change dome exp. to use variable viscosity in side-drag terms.
281    o remove all the files from the cfc_offline test since they are now
282      incorporated into tutorial_cfc_offline which has been producing
283      identical results for a few days of testing
284    o add new parameter: sideDragFactor to enable half-slip-side BC
285      and change side-drag S/R to use viscosity from mom_calc_visc
286      (can switch back by setting sideDragFactor=0.); affects results at
287      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
288       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
289    o vorticity & strain are now computed without masking, to account for
290      no-slip-side BC in variable viscosity calculation ; mask is applied
291      anyway later on, before computing advection/coriolis terms.
292    o modify exp4 to test new obcs support for reading from external files
293      and for passive tracers
294    o fix behavior of ptracers_monitor when monitor output is written to a
295      netcdf-file; still not independent of monitor.F (writes in the same
296      file).
297    o change default value of tRef (put a uniform, meaningful value for ocean
298      & atmos) and initialize sRef (was missing, as Martin mentioned).
299    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
300      to be proportional to enstrophy dissipation length.  Thus,
301       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
302      This is now consistent with Smagorinsky and with the manual.
303    
304    checkpoint57u_post
305    o OBCS and PTRACERS: add open boundary support for passive tracers
306      - either use homogenous (pseudo) v.Neumann conditions or prescribe
307        OB-values from file; this is not different from the way theta and salinity
308        are treated
309      - however, Orlanski-radiation conditions are not supported, and the model
310        will stop if you use pTracers and Orlanski at the same time.
311      - beefed up the rountine obcs_external_fields_load: now only those open
312        boundary values are overwritten with values from files for which there
313        are really files, otherwise the OB-fields remain untouched. This makes
314        it possible to use different OBs at different ends of the domain (as
315        with EXF)
316    o reduce number of exch calls in shap_filt (s2).
317    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
318      truncation level) 4/5 MLAdjust test results (11&12 digits match).
319    
320    checkpoint57t_post
321    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
322    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
323      same truncation, independent of the face number: affects affects several
324      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
325    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
326      note that biharmonic viscosity + no-slip was not tested in any experiment.
327    o fix bug in non-linear free-surf side-drag ; generate new output for
328      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
329    o make mnc honor the writeBinaryPrec flag for most kinds of output
330    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
331    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
332      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
333    o add brackets in multi-terms sum to get same truncation, independent of
334      the face number (manage to get exactly same value of gU,gV at the cs-edge)
335      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
336    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
337      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
338      a maximum grid-scale Reynolds number.  Also, changes all length calculations
339      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
340      Suggested values of viscosity parameters found in mom_calc_visc.
341      Many new viscosity diagnostics available.
342    
343    checkpoint57s_post
344    o Add clearing-house for viscosity calculations, mom_calc_visc and
345      correct numerous bugs in LeithD and Smagorinsky discretizations.  
346      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
347      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
348      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
349      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
350      The Strain-Tension form is now called with useStrainTensonVisc=.true.
351      ViscAhStrain and viscAhTension are now retired.
352    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
353    o In response to JMC's bug report, genmake2 now ignores any soft-links
354      that it finds in the *current* directory when searching for files.
355      Soft-links found in any other source directories will still work as
356      they did before.
357    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
358      a C routine to unlimit the stack size
359    o mnc-ify pkg/aim snapshot vars
360    o mnc-ify pkg/land as requested by Daniel
361    o various changes to mnc including:
362      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
363      - output can now be grouped so that all files within a group
364          change the ITER portion of their names in lock-step together
365      - can now read ("global") PER-FACE (in addition to PER-TILE) files
366          and works with both EXCH1 and EXCH2 (but needs more testing)
367      - writing works for all verification test cases w/ g77 on Linux
368    
369    checkpoint57r_post
370    o make MNC variable initialization happen earlier
371    o add diagnostics for (almost) each term of the momentum Eq.
372    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
373    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
374    o remove MINIMAL_TAVE_OUTPUT option ;
375      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
376    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
377      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
378    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
379    o add time-dependent SST, SSS control
380    o cost terms in ecco/ modularized (new cost_generic.F)
381    o cost_averages routines are modularized (new cost_averagesgeneric.F)
382    o new infrastructure for seaice model vs. obs misfits in seaice/
383      * driver from the_main_loop.F is seaice_cost_driver.F
384      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
385      * gradient check in Exp. 6a of natl_box_adjoint/
386    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
387      (see README file)
388    
389    checkpoint57q_post
390    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
391    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
392      - bug was reported by Jean-Michel and Ian Fenty
393    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
394      update exp. cpl_aim+ocn output.
395    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
396      Needed for high-res. runs with large global files
397      to be able to limit tapelev size
398    o Changed some tests for adjoint:
399      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
400      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
401      * global_ocean.90x40x15/ back to default 3-level checkpointing
402    o Modifications to enable scripted COMMON to MODULE conversion
403      * verification/OpenAD/code/ has necessary scripts and description;
404      * converts, compiles and runs successfully;
405    
406    checkpoint57p_post
407    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
408    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
409      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
410    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
411    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
412      (was already the case for dissipation with mom_vecinv,
413       and also the case for grad.PhiHyd when staggered-timeStep)
414      This will allow to put dissipation out-off the AB time-stepping.
415     Unfortunately, affects truncation error. Update output of exp. that "fails"
416      (cg2d matching number) and leave the others for later: front_relax(10),
417      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
418      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
419    
420    checkpoint57o_post
421    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
422      (2) its ready to be documented during the 20050801 DocFest
423    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
424      for ideal_2D_oce and lab_sea on linux_ia32_g77
425    o set to #undef CTRL_SET_OLD_MAXCVARS_30
426      in global1x1_tot/code_seaice_adj to access indices 32, 33
427      (worth another tag)
428    
429    checkpoint57n_post
430    o adding precip control xx_precip 32
431    o adding swflux control xx_swflux 33
432    o Replacing 10 forcing penalty cost routines by 1 generic.
433    o Implementing partitioning in time-mean and variable adjustment
434      for atmos. state.
435    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
436    o in natl_box_adjoint:
437      * updated exp 1 to 10
438        (but does not have time-mean vs. variable split results yet)
439    o updated global1x1/*_seaice_adj/
440      to incorporate latest changes
441    o enable useSingleCpuIO for mdsio vector routines
442      (applies in particular to tapelev I/O)
443    o removed inefficient K-loop in all active_file*control*.F
444    
445    checkpoint57m_post
446    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
447      and advect_cs (use EXCH-2 and standard cs-32 grid files).
448    o pkg/exch2: filling of face-corner halo regions is optional
449      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
450    
451    checkpoint57l_post
452     tag before updating tutorials (pre-release-2)
453    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
454       for output and interpolation of input fields onto model grid)
455    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
456       Affects results of exp. rotating_tank ; update output.txt.
457    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
458          and taking the square quantity and/or using a fraction-weight field.
459    o fix aim_diagnostics_init.F mate numbers.
460    o add mnc output capability to diagnostics/diagstat and update
461      our cvsignore files for the ACSII output generated
462    
463    checkpoint57k_post
464    o lab_sea now uses diagnostics package and provides a suite of
465      new EXF diagnostics output.
466    
467    checkpoint57j_post
468    o exf
469      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
470        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
471        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
472      * extended diagnostics output
473        - now includes all EXF variables
474        - hs, hl moved to common block
475        - separate S/R for diagnostics, called after ctrl vector is added
476        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
477        - EXFqnet contains true Qnet (i.e. includes qsw)
478      * updated verif. lab_sea, global_with_exf
479      * Rearranging hflux (exf_mapfields -> exf_getforcing)
480        to ensure that diagnostics sees a true EXFqnet
481    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
482    o diagnostics pkg: change pointers so that 1 diagnostic can be used
483      several times with different frequencies.
484    o mnc-ify the thsice package as requested by Daniel Enderton
485      - the monitor--MNC output needs work
486      - many attributes need to be added (most are currently blank)
487    o mnc-ify theaim_v23 package as requested by Daniel Enderton
488      - many attributes need to be added (most are currently blank)
489    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
490    o add Sadourny like discretization to the 4th.O vorticity advection scheme
491    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
492      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
493         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
494    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
495     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
496    
497    checkpoint57i_post
498    o Diagnostics package was changed: diagnostic allocation is now deactivated
499      by setting an empty file name in the namelist (used to be by setting 0 frequency)
500    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
501      add 1rst Order upwind vertical Shear.
502    o add a quick fix for A/B checkpointing in OFFLINE mode
503    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
504      end-run around the C/Fortran linking horror in eesup/src/timers.F
505    o added pkg/runclock: allows user to terminate run based on wall clock
506    o added non-hydrostatic scaling parameter: nh_am2
507    o pkg/my82: futile attempt to make results compiler-independent by adding
508      some "_d 0", etc. no effect.
509    o for mnc output, fill the 'T' coordinate var with myTime and create a
510      separate 'iter' variable for iteration count
511    o pkg/diagnostics:
512      add new capability: output of Global/Regional & per-level statistics ;
513      tested against monitor output (including land & thSIce) on various exp.
514    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
515    
516    checkpoint57h_done
517      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
518      data.diagnostics, data.gchem, data.ptracers) is done.
519    
520    o pkg/diagnostics: prepare for Global/Regional statistics.
521      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
522    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
523      and rename it: DIFFERENT_MULTIPLE
524    
525    checkpoint57h_post
526    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
527    o pkg/diagnostics: change output frequency, now in seconds (instead
528      of Nb of iterations). This requires to change data.diagnostics.
529    checkpoint57h_pre
530    
531    o in mnc, let the user create the output dir if both mnc_outdir_date
532      and mnc_outdir_num are false
533    o add fflags() to pkg/diagnostics which allows one to specify, on a
534      per-file basis, the file precision [default behavior is unchanged]
535    o added diagnostics to pkg/kpp, including computation of mixed layer
536      depth based on a temperature/density criterion
537    o updated verification/natl_box to test the new pkg/kpp diagnostics
538    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
539    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
540    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
541      not mnc -- this mistake was found by JMC and is now corrected
542    
543    checkpoint57g_post
544    o add Adams-Bashforth 3rd Order time stepping:
545      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
546      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
547    checkpoint57g_pre
548    
549    o make lambda[Theta,Salt]ClimRelax spatially varying
550      (default remains spatially uniform constant based on tau)
551    o added new control variables
552      * init. uVel, vVel, etanN
553      * lambda[Theta,Salt]ClimRelax
554    o separate masks used for ctrl_pack/unpack 'from write_grid' output
555      (suggested by G. Forget)
556    
557    checkpoint57f_post
558    o add parameter "baseTime" = model base time = time at iteration zero
559      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
560      account for baseTime shift
561    o move Coriolis arrays from PARAMS.h to GRID.h
562    checkpoint57f_pre
563    
564    o mnc-ifying the seaice package
565    o introduced an alternative length scale calculation for use in the limiting
566      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
567    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
568    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
569      as well as grad(vort3).  Made it compatible with both approximate form
570      for the cubed sphere and full form of these gradients.  Added flag
571      useFullLeith to select between approximate and full form.  
572    o add "d0" in getcon.F to reduce differences between compilers/platforms
573      update output.txt of exp. fizhi-gridalt-hs
574    o change port_rand funtion to allow to set the seed.
575    o fix obscure MNC bug involving conversion between reals and integers
576      - it caused no problems with certain (eg. gcc, ifc) compilers but the
577        new version is now more standards-compliant
578    o adjoint-related modifications
579      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
580      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
581      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
582    
583    checkpoint57e_post
584    o Adding eddy stress controls a la Ferreira et al.
585    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
586    
587    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
588      update output.txt of exp. fizhi-gridalt-hs
589    o add more "Z" dimensions and associated coordinate vars to MNC
590    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
591    o parameter calendarDumps: when set, approximate months (30-31 days) and years
592      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
593      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
594      months and years.  Requires pkg/cal.
595    o diagnostics: add pickup functionality
596      - off by default for backwards compatibility
597      - current version only uses MDSIO -- MNC will be added
598    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
599    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
600    
601    checkpoint57d_post
602    o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
603    o modify verification/ideal_2D_oce so that it tests the creation of mnc
604      output from the diagnostics package
605    o temporary fix in EXCH2_UV: add a 3rd call to fix the 24.tiles CS-grid set-up
606    o make genmake2 more portable by using ".$FS" instead of ".f" for more
607      of the test compilations (eg. IBM xlf on Mac OSX w/HFS filesys)
608    o add coordinate variables to the MNC output from the diagnostics package
609    o change MNC-flags default value: true when useMNC=TRUE
610    o add a "readgrid_mnc" flag to MNC and give model/src/ini_curvilinear_grid.F
611      the ability (off by default) to read the grid information using MNC
612    o lab_sea: use LSR_ERROR=1.E-12 for testing ; update output.txt
613    o diagnostics: fix a bug (sub-set of levels); keep full precision when averaging
614    o do snap-shot diagnostics at the middle of the time-interval (instead of
615      at the end).
616    o update exp. aim.5l_cs (use default LAND_OPTIONS.h file) and add
617      new test for AIM with thSIce + slab-ocean
618    o cpl_aim+ocn test: update output (optfile & default GMREDI_OPTIONS.h)
619    o move state variable diagnostics to the beginning of the time step ;
620      (note: still needs some work specially for snap-shot diagnostics)
621      duplicate & replace UVELVVEL diagnostics with UV_VEL_C & UV_VEL_Z
622    
623    checkpoint57c_post
624    o Change testing option (-ieee) to get closer agreement between g77 & ifort
625    o generate new output.txt files on faulks with g77 & the new -ieee option
626    checkpoint57c_pre
627    
628    o add "_d 0" in freeze ; change some "FLOAT" to "DFLOAT" and went back (TAF);
629      update output.txt of exp. global_ocean.90x40x15
630    o fix in ini_eos.F (one "_d 0" was missing): now g77 & ifc give much closer
631      results; update global_ocean_pressure & global_ocean.cs32x15 output.txt
632    o add saltFlux(+File) forcing capability with periodicExternalForcing
633    o allow to use pkg diagnostics for GM-Redi & ThSIce output
634    o diagnostics_fill: fill in up to sNx+1 or sNy+1 (if U,V or Z pt) for mnc.
635    o improvements for the MNC output from DIAGNOSTICS:
636      - correct handling of the unlimitied dimension
637      - all dims now have associated coordinate variables
638      - variables located at U, V, and Corner ("Z") points are now written
639        with the correct horzontal dimensions (eg. 'Xp1', 'Yp1') so that
640        *all* data points are output
641    o added seaice_summary.F and removed obsolete ALLOW_SEAICE's from pkg/seaice
642    o added pkg/seaice/seaice_monitor.F
643    o mdsio_readfield.F can now read files visible only to master MPI process.
644    o pkg/seaice: some test code for ice-modified ocean stress
645    o exf_getffields interpolation defaults to bilinear for all scalar forcing
646      fields (remains bicubic for wind velocity and stress).  This avoids, e.g.,
647      spurious negative numbers for precipitation and humidity.  Will cause
648      some small numerical differences for integrations using pkg/exf/exf_interp.F.
649    o pkg/ctrl/
650      * Add ctrlvec diagnostics in pack/unpack for nondimensional I/O
651        May be enabled via doPackDiag
652      *  introduce z-scaling of
653         + gradient (doZscalePack) and
654         + control (doZscaleUnpack)
655    o pkg/mdsio/
656      * enable useSingleCpuIO for state estimation (ctrl_pack/unpack) mdsio_gl.F
657      * N.B.: leave tiled I/O for tapelev (i.e. mds...vector)
658    
659    checkpoint57b_post
660    o simplify options in diagnostics_fill arguments (remove weird combinations)
661    o fix MNC coordinate variables so that they now contain per-face index
662      values (instead of xC,xG,yC,yG values) when run with EXCH2 since, in
663      general, EXCH2 grids are only aligned to a "local" coordinate system
664    o test diagnostics pkg in dic_example (no output) and ideal_2D_oce (with ouput)
665    o Implement instantaneous output within pkg diagnostics:
666      setting a negative frequency in data.diagnostics produces
667     "snap-shot" output (as opposed to time-average if freq > 0)
668    o move out off EQUIVALENCE all diagnostics that fizhi does not use ;
669      NOTE: change ptracer diagnostics name: use 2 characters to work with
670            more than 9 tracers. Add also diagnostics of advect & diffus flux.
671    o more CF compliance: convert all MNC 'iter' variables to 'T' so that it
672      becomes the coordinate variable for the 'T' dimension
673    o add CF-style coordinate variables to MNC
674      - just a first cut:  numbers are meaningless on the cubesphere and
675        missing along the T axis but otherwise it works!
676    o add surface flux diagnostics: TAUX, TAUY, TFLUX, TRELAX, TICE, SFLUX, SRELAX
677    o pkg/thSIce: read initial state from 6 files ; allow monitor to use MNC.
678    o add diagnostics of advective & diffusive flux for T & S (pTracers coming soon)
679      this is based directly on what the model compute, so that the content of
680      each diagnostics might be affected by switching options (e.g., implicitDiffusion)
681    o small changes for diagnostics (gad_biharm_?.F, arguments of S/R impldiff.F)
682    o clean up build options files for SunOS, in particular
683      - remove -traditional from xmakedepend
684      - change -xarch=v9 to -xarch=native for f77
685      - restore use of make (not gmake)
686      - add CC=gcc if using g77
687    o changes per discussion of AM, JMC, & EH3 today:
688      - move redundant "grid" variables out of "state" -- in preparation of
689        creating proper CF-style coordinate variables and in recognition
690        that any/all grid variables can be easily copied (eg. w/NCO) from
691        the grid files into any of the other NetCDF files
692      - *always* output grid variables with MDSIO (this will eventually be
693        changed)
694      - output MNC grid file if useMNC is true
695    o every instance of _END_MASTER() has been found and replaced with
696      _END_MASTER( myThid ) in order to satisfy certain picky Sun
697      preprocessors
698    o re-arrange diagnostics pkg initialisation:
699     - allow each package to extend the available diagnostics list
700     - add some checking and fix small problems (multi-threaded, ...)
701     - new S/R diagnostics_fill (replace fill_diagnostics):
702       look through the short list of active diag. (instead of the long list)
703       create function DIAGNOSTICS_IS_ON to tell if a diagnostics is active
704    
705    checkpoint57a_post
706    o this set of changes restores TAMC compatibility
707      tested for global_ocean.90x40x15 adjoint on trough
708      (what a pain)
709    
710    checkpoint57a_pre
711    o some modifs in tools/build_options for sunos
712    o call ctrl_pack for ctrl at end for optimcycle=0
713    
714    checkpoint57
715    o add horizontal bi-harmonic viscosity for vertical velocity
716      - new parameter viscA4W (defaults to viscA4)
717      - affects only non-hydrostatic code
718      - to be done: no-slip lateral boundary conditions
719    o switch back to "sflux = sflux - runoff" in exf_getforcing.F
720    o implement Implicit Vertical advection for pTracers
721    o depth convergence accelerator: replace deltaTtracer by dTtracerLev(k)
722      (implemented also for implicit vertical diffusion & advection)
723    o OBCS: extend application of tracer open boundary conditions
724      to a strip beyond the boundary of width Olx/Oly
725    o add call monitor to TAF set of required calls (flow directives)
726      and include in natl_box_adjoint
727    o untangle a few ifdefs related to cost, ctrl, autodiff
728      untangel a few ALLOW_ECCO_OPTIMIZATION
729    o Apply Cooper & Haines representative estimates also at sub-surface (k=Nr)
730      (theta2, salt2 in ecco_cost_weights)
731    
732    checkpoint56c_post
733    o OBCS as control variables
734      - update ctrl_ad_diff.list, obcs_ad_diff.list
735      - remove balance of obcs controls from default
736      - fix index bug nobcs in ctrl_init
737      - fix dummy fields filen in ctrl_pack
738      - add dummy weights for obcs
739    o lsopt: comment out fort.94 output
740    o optim:
741      - remove unnecessary header files
742      - adjusted namelists
743      - add xerbla.F to Makefile
744    o exf:
745      - multiple modifications of exf_check_range
746      - unit change in exf_init_runoff from [m/year] to [m/s]
747    o mdsio:
748      - i/o-vector change debugLevel from debLevA to debLevB
749    
750    checkpoint56b_post
751    o collect all ptracers output in an new routine (PTRACERS_OUTPUT) that
752      is called from DO_THE_MODEL_IO
753      - rename PTRACERS_STATV_WRITE to PTRACERS_WRITE_TIMEAVE
754      - introduce new parameter PTRACERS_dumpFreq (defaults to dumpFreq)
755      - clean up PTRACERS_WRITE_TIMEAVE a little
756    o add another verification experiment that tests both the cfc-pkg and
757      the gchem-pkg with GCHEM_SEPARATE_FORCING undefined, that is with
758      reactive tendencies treated inline with regular timestepping
759    o testreport previously did a lousy job of comparing small numbers, so
760      we (Ed and Martin) changed the  way the cut-off of 1.e-12 is
761      implemented in the little c-progam tmp_cmpnum.c which is embedded in
762      testreport.
763    o ptracers_monitor: bug fix for MPI
764    
765    checkpoint56a_post
766    o GCHEM: finish reorganizating the package
767      - forward_step calls GCHEM_CALC_TENDENDY, which computes gchemTendency
768        (introduces another 3D-array for each passive tracer, but only if
769        GCHEM_SEPARATE_FORCING is undefined. For GCHEM_SEPARATE_FORCING
770        gchemTendency is not needed because the timestep is done separately)
771      - gchemTendency is added to gPtr in GCHEM_ADD_TENDENCY
772      - GCHEM is now---more or less cleanly---separate from PTRACERS
773      - to bo done: handling of surfaceForcingPtr that is needed for KPP not
774        so clear to me how that should be done in a general way.
775    o CFC: improve formatting of output in CFC_ATMOS
776    o PTRACERS:
777      - rename GCHEM_MONITOR to PTRACERS_MONITOR and call it from MONITOR, so
778        that ALL experiments with ptracers enable can be checked. This makes
779        GCHEM_MONITOR obsolete.
780      - include a runtime parameter PTRACERS_monitorFreq that defaults to
781        monitorFreq
782      - set default PTRACERS_write_mdsio to false if PTRACERS_write_mnc is true
783    o add PTRACERS (PTR0[1-5]) to testreport output
784    o exf_check_range:
785      * default changed to .TRUE.
786      * will check values for niter0 if debLevA, every timestep if debLevB
787      * STOP in exf_check_range if 'out of range'
788      * range chosen generous to allow for potential extema
789      TBD: a version with stricter range
790           permitted range would be runtime parameters
791  o GMredi:  o GMredi:
792    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;    - fix ldd97 slope limit ; extend valid domain of Psi-Bolus ;
793    - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.    - change S/R GRAD_SIGMA to be valid in the overlap on CS-grid.
# Line 11  o GCHEM: Line 796  o GCHEM:
796    - move call to GCHEM_FORCING_SEP, so that it is now called before    - move call to GCHEM_FORCING_SEP, so that it is now called before
797      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP      the blocking exchanges to avoid computing halos in GCHEM_FORCING_SEP
798    - introduced a useGCHEM runtime flag and applied it everywhere.    - introduced a useGCHEM runtime flag and applied it everywhere.
799      - renamed PTRACERS_SEPARATE_FORCING to GCHEM_SEPARATE_FORCING;
800        this flag is now only visible within GCHEM-pkg routines.
801      - moved gchem_forcing_int temporarily into ptracers_forcing, this will
802        be replaced by a 3D array that is computed before thermodynamics; for
803        this, the tracer ID iTracer had to be included into the parameter list
804        of ptracers_forcing
805      - set up forward_step to call gchem_forcing, that will replace
806        gchem_forcing_int in ptracers_forcing
807      - cleaning up
808  o small cleaning of exch2: remove files that are also in eesupp/src  o small cleaning of exch2: remove files that are also in eesupp/src
809    
810  checkpoint56  checkpoint56

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