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revision 1.576 by jmc, Thu Nov 3 17:34:32 2005 UTC revision 1.667 by mlosch, Tue Jun 6 22:17:27 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 pkg/ggl90:
8      - add parameter (minimum surface kinetic energy)
9      - fix bug (avoiding division by zero)
10    o couple pkg/thsice to pkg/seaice:
11      - modify advection in seaice to accomodate new scalar fields to be advected
12      - only muliDimAdection scheme work with seaice/thsice
13      - mapping of thsice-variables to seaice-variables, back and forth
14      - does not break the verification experiments, but does not give the
15        desired results either
16    o pkg/seaice
17      - make (default) second order advection a bit less confusing?
18    
19    checkpoint58f_post
20    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
21      to pkg/seaice):
22      - new routines thsice_map_exf and thsice_get_exf provide the interface
23      - add an additional formal parameter to thsice_solve4temp
24    o pkg/exf:
25      - add new fields wspeed, snowprecip (to be able to couple to thsice)
26      - correct Stefan-Boltzmann constant
27      - new parameter for longwave surface emittance
28      - separate some stuff from exf_bulkformulae into new routines  
29        exf_radiation, exf_wind
30      - add new parameters and constants: longwave emissivity for ocean, ice
31        and snow, evaporation parameters over ice
32      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
33        either wind from stress or stress from wind
34    o pkg/thSIce:
35    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
36    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
37       and THSICE_CALC_THICKN
38    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
39    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
40      to make debugging easier.
41    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
42    o pkg/bulk_force:
43      - clean-up comments and parameters ;
44      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
45    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
46      generate new output for test-experiment: aim.5l_cs.thSI
47    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
48      testreport accordingly
49    
50    checkpoint58e_post
51    o SEAICE_CGRID adjoint done
52    o R_STAR adjoint implemented.
53      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
54      * need to sort out init. of h0facc, etc.
55    o Make pkg/profile fully independent of ecco,cost, etc. stuff
56      to be able to use it in pure forward.
57    
58    checkpoint58d_post
59    o upgrade simple test-experiment to tutorial example:
60     step.1: duplicate the experiment and (step.2) will remove the old copy.
61      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
62      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
63      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
64      tutorial_global_oce_biogeo    <- copy of dic_example
65      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
66      tutorial_plume_on_slope       <- copy of plume_on_slope
67      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
68      tutorial_global_oce_optim     <- empty for now (David ?)
69      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
70     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
71    o correct a sign problem in cost_scat.F
72    o obcs and ptracers: fix boundary conditions for advections schemes
73      with larger stencil
74    o thsice adjoint: start
75    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
76      completeness
77    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
78      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
79    o ptracers adjoint:
80      * avoid extensive recomputatations
81      * fix missing re-init. of gptr (missed by TAF)
82    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
83      me to turn off the excessive output to STDOUT that this package produces
84    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
85      and add those terms in Vector-Invariant formulation.
86    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
87      if the control period (xx_hfluxperiod etc) is 0
88    o in profiles pkg, clean routines and fix details
89    o in ecco pkg, reading ssh data:
90      fix problem in case the model does not start at iter0=0
91    o fix mnc-pickup/restart for ptracers
92    o new package prifiles:
93      code to compute profile-based cost by Gael Forget
94      (modifs in ecco, ctrl, autodiff)
95    o Benign bug fix in initialization (spotted by M. Mazloff) of
96      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
97    
98    checkpoint58c_post
99    o adjoint: finish NLFS adjoint and provide reference output in
100      verification/global_ocean.90x40x15/results_ad_nlfs
101    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
102      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
103      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
104      with SEAICE_CGRID defined.
105    o move calendarDumps from "data" to "data.cal" and clean-up the code
106      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
107    o add useEXF & useCAL flags (for now, set in hard-coded way)
108    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
109      (were missing in NH mode, and wrong in quasihydrostatic mode).
110      waiting for Chris updated version of calc_gw to add those CALLs.
111    o fix bug in quasihydrostatic S/R ;
112      add a test for this option: global_ocean.90x40x15.qshyd
113    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
114      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
115    o add on/off flag useOffLine for package OFFLINE
116    o seaice:
117      - modify advection so that it works also on the C-grid
118      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
119        problem in multi-tile runs with C-grid
120      - add flags for clipping ice velocities and/or masking solver forcing
121      - fix drag (ocean on ice) formulation and a bug that caused noise in the
122        C-grid solver
123      - added a few comments to seaice_diffusion.F
124      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
125        are now exclusive)
126      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
127        required re-ordering the code a little:
128       + make DAIRN global variable (defined in SEAICE)
129       + move computation of the viscosities eta and zeta into a new separate
130         routine (because I need to recompute them in seaice_ocean_stress.F)
131    
132    checkpoint58b_post
133    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
134      update output.txt of exp. aim.5l_cs.thSI
135    o various mnc cleanups and improvements:
136      + shrink lookup tables by factor of ~4
137      + better error reporting when running out of lookup space
138      + able to handle longer path/file names (up to 500 chars)
139    o adjoint:
140      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
141      - TBD: "hidden" mom_vecinv recomp. in dynamics
142    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
143     (allow to differentiate between forcing components using new integer flags:
144      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
145     and add new flag to put Dissipation tendency out of Adams-Bashforth.
146    o ecco
147      - enable trend removal from SSH anomaly obs.
148    o adjoint
149      - a fix for PmEpR when #undef EXACT_CONSERV
150      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
151      - try to fix "hidden" recomp. in forward_step for NLFS
152        (NLFS seems broken sometimes after I checked it in)
153    o seaice:
154     - add c-grid version of the dynamic solver:
155       + three new routines that are the c-grid substitute lsr, dynsolver
156         and ostres
157       + put a few fields that were local to dynsolver into global common
158         blocks, so that I can move the computation of stresses etc into
159         seaice_lsr (saves coding but may break the adjoint).
160     - replace more hardwired parameters by runtime parameters
161     - add ice masks that mask the rhs of the implicit solvers where there
162       is no ice (commented out in seaice_dynsolver, because i am not sure
163       if this works properly), eventually this should replace the clipping
164       of ice velocities in seaice_dynsolver to +/-40cm/s.
165    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
166      include it only where its needed
167    o move balancing of fluxes before the call of external_forcing_surf
168    o seaice:
169      - correct units of turning angles (now they are really in degrees)
170      - move computation of GWATX/Y out of main routine into dynsolver
171      - initialize GWATX/Y in seaice_init
172    o Apply mask on Fresh-Water flux (needed for SSH forcing).
173      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
174    o seaice: add runtime flags for turning angles (default to zero)
175    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
176      and trend from exf forcing and ctrl control adjustments
177    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
178      (since checkpoint57x_post)
179    o change the default rotation period to 86164.s = the Earth rotation
180    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
181      and based on a reference stratification. Tested within hs94.cs-32x32x5.
182    o seaice advection: add code for choosing between the default (2nd order
183      central differences) and multiDim advection schemes provided by
184      pkg/generic_advdiff
185    o seaice:
186      - removed all references to SEAICE_GRID.h fields from
187        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
188        (cubed-sphere configuration will change a little)
189      - grid computations in seaice_init are obsolete now.
190      - cleaned up code a little so that is easier to read (hopefully).
191      - added new (better?) discretizations of default advection and diffusion
192        (turn on with SEAICEuseFluxForm)
193      - replace 1 in 3d global fields by kSurface in growth.F
194      
195    checkpoint58a_post
196    o seaice:
197      - bug fix in advect.F
198    o shelfice:
199      - separate shelfice load anomaly from pload (breaks with time
200        dependent forcing), => introduce constant field shelficeLoadAnomaly.
201        Its default is 0., but it may be computed more cleverly from (unknown)
202        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
203        done offline. A good approximation of the pressure load anomaly is
204        necessary to avoid large initial adjustment processes underneath
205        deep-reaching shelfice.
206      - small fix in ISOMIP shelfice_thermodynamics
207      - add more sophisticated thermodynamics of Hellmer (1989), this is
208        now the default
209      - give a few constants more intuitive names
210    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
211      if bulk formulae are used in long integration (especially EmPmR). Turn
212      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
213      if balancePrintMean, the imbalance that is substracted is printed to
214      STDOUT.
215    o fix bug (typo) in obcs_apply_eta.F
216    o add a new package shelfice which enables us to model the circulation
217      underneath shelf-ice with draughts of hundreds of meters.
218     - works
219     - to do: + include improved thermodynamics
220              + check whether kSurfC (from model/inc/SURFACE.h) can be used
221                instead of new field kTopC
222              + can we use topoFile, Ro_surf and existing code in ini_depth.F
223                instead of new field R_shelfIce and new code in ini_depth.F
224                and ini_mask_etc.F?
225              + adjust vertical mixing schemes?
226    o seaice pkg:
227     - add a cpp-flag to include a simple formula for a salinity dependent
228       freezing point of sea water at the surface
229     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
230       meridional stresses are now different (and hopefully correct)
231    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
232       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
233       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
234    o pkg/diagnostics: add options and parameters for regional-statistics
235       diagnostics ; define regions by reading a region-mask from a file
236       (might add other options later)
237    o pkg/bulk_force:
238     - add option and parameters to use AIM surface-flux formulae.
239     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
240       others forcing fields (defined in PARM05, parameter file "data") are loaded
241       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
242     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
243     - use the right EXCH call for uwind,vwind (to work on CS-grid).
244     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
245       and parameters (note: calcWindStress replaces .NOT.readwindstress).
246     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
247    
248    checkpoint58
249    o add "--embed-source" option to genmake2 which, when the supporting
250      tools can be compiled (as determined by genmake2) will turn on the
251      embed_files package which then embeds the entire MITgcm source code
252      (*.[fFhc] + Makefile) used for the build within the executable
253      - requested by CNH but off by default
254      - adds a paltry <9MB to the mitgcmuv executable in most cases
255      - only writes the output when useEMBEDSRC in eedata is true
256    o clean up 3-dim. relaxation codes:
257      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
258      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
259      * Thanks to Tom Haine for testing!
260    
261    checkpoint57z_post
262    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
263      affects output (@ truncation level) of exp. plume_on_slope ; updated.
264    o fix the pickup behavior for obcs in combination with ptracers
265    o fix a bug in ptracers_external_fields_load
266    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
267      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
268    o transfered surface NH pressure to eta field (if exactConserv).
269    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
270         and update lab_sea output.txt file.
271    o completing 3-dim. relaxation code: additional term
272         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
273      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
274      * At compile time, in "EXF_OPTIONS.h" set
275          #define  ALLOW_CLIMTEMP_RELAXATION
276          #define  ALLOW_CLIMSALT_RELAXATION
277      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
278          tauThetaClimRelax3Dim = 15552000.0,
279          tauSaltClimRelax3Dim  = 15552000.0,
280      * 3 cases:
281          1) Use a constant-in-time 3-dim. field
282          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
283          3) Real-time relax. to time-evolving prescribed field
284    o Adding Laplacian-type smoothness constraint on
285      initial and boundary (forcing) controls (ic, bc)
286      * enable at compile-time via
287        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
288      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
289      * Absolute scale somewhat unclear so far
290      * no area weighting was included since no other cost term does so far
291    
292    checkpoint57y_post
293    First step for a NLFS adjoint
294    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
295    o new init. routines for calc_r_star, calc_surf_dr
296    o still need to deal with ini_masks_etc
297    o testreport seemed happy
298    checkpoint57y_pre
299    
300    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
301    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
302    o add new offset feature to offline pkg (plus minor cleanup)
303    o cfc fixes for final year of integration
304    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
305      be in GCHEM_OPTIONS).
306    
307    checkpoint57x_post
308    o fix testreport Pb in multiple test experiment.
309    o cleanup our namelist syntax in verification:
310      - make it more F95 standards compliant (some work still needed)
311      - allows the vast majority of our tests to work with gfortran
312    o Non-Hydrostatic:
313     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
314     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
315    o Allow to apply AB on T,S rather than on AB(gT,gS):
316     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
317     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
318       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
319     - need a "clever" read_pickup to restart from the other AB formulation
320    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
321    o remove some unused variables (reduces number of compiler warnings)
322    o adjoint
323      * Disable useVariableViscosity for adjoint for time being
324        (there are a number of extensive recomputations)
325      * Initialize certain variables needed for adjoint
326    
327    checkpoint57w_post
328  o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names  o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
329               fix the singleCpuIO RS version of MDSWRITEFIELD               fix the singleCpuIO RS version of MDSWRITEFIELD
330     and add a WARNING if using globalFiles=T with multi-processors.     and add a WARNING if using globalFiles=T with multi-processors.

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