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revision 1.593 by jmc, Tue Dec 20 20:55:05 2005 UTC revision 1.672 by dimitri, Thu Jun 8 23:09:55 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: fix sloppy output and fix a bug
8    o pkg/seaice: added SEAICEuseEVPpickup parameter
9      - Set to false in order to start EVP solver with
10        non-EVP pickup files when using SEAICEuseEVP
11    
12    checkpoint58h_post
13    * Modifications for bottom topography control
14      o replace hFacC by _hFacC at various places
15      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
16      o add non-self-adjoint cg2d_nsa
17      o update autodiff support routines
18      o re-initialise hfac after ctrl_depth_ini
19      o works for 5x5 box, doesnt work for global_ocean.90x40x15
20    * Adding verification for 5x5 box (4-layer) bottom topography control
21    
22    checkpoint58g_post
23    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
24       used for mean seasonal cycle, mean diurnal cycle); add an example
25       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
26    o pkg/ggl90:
27      - add parameter (minimum surface kinetic energy)
28      - fix bug (avoiding division by zero)
29    o couple pkg/thsice to pkg/seaice:
30      - modify advection in seaice to accomodate new scalar fields to be advected
31      - only muliDimAdection scheme work with seaice/thsice
32      - mapping of thsice-variables to seaice-variables, back and forth
33      - does not break the verification experiments, but does not give the
34        desired results either
35    o pkg/seaice
36      - make (default) second order advection a bit less confusing?
37    
38    checkpoint58f_post
39    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
40      to pkg/seaice):
41      - new routines thsice_map_exf and thsice_get_exf provide the interface
42      - add an additional formal parameter to thsice_solve4temp
43    o pkg/exf:
44      - add new fields wspeed, snowprecip (to be able to couple to thsice)
45      - correct Stefan-Boltzmann constant
46      - new parameter for longwave surface emittance
47      - separate some stuff from exf_bulkformulae into new routines  
48        exf_radiation, exf_wind
49      - add new parameters and constants: longwave emissivity for ocean, ice
50        and snow, evaporation parameters over ice
51      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
52        either wind from stress or stress from wind
53    o pkg/thSIce:
54    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
55    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
56       and THSICE_CALC_THICKN
57    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
58    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
59      to make debugging easier.
60    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
61    o pkg/bulk_force:
62      - clean-up comments and parameters ;
63      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
64    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
65      generate new output for test-experiment: aim.5l_cs.thSI
66    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
67      testreport accordingly
68    
69    checkpoint58e_post
70    o SEAICE_CGRID adjoint done
71    o R_STAR adjoint implemented.
72      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
73      * need to sort out init. of h0facc, etc.
74    o Make pkg/profile fully independent of ecco,cost, etc. stuff
75      to be able to use it in pure forward.
76    
77    checkpoint58d_post
78    o upgrade simple test-experiment to tutorial example:
79     step.1: duplicate the experiment and (step.2) will remove the old copy.
80      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
81      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
82      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
83      tutorial_global_oce_biogeo    <- copy of dic_example
84      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
85      tutorial_plume_on_slope       <- copy of plume_on_slope
86      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
87      tutorial_global_oce_optim     <- empty for now (David ?)
88      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
89     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
90    o correct a sign problem in cost_scat.F
91    o obcs and ptracers: fix boundary conditions for advections schemes
92      with larger stencil
93    o thsice adjoint: start
94    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
95      completeness
96    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
97      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
98    o ptracers adjoint:
99      * avoid extensive recomputatations
100      * fix missing re-init. of gptr (missed by TAF)
101    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
102      me to turn off the excessive output to STDOUT that this package produces
103    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
104      and add those terms in Vector-Invariant formulation.
105    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
106      if the control period (xx_hfluxperiod etc) is 0
107    o in profiles pkg, clean routines and fix details
108    o in ecco pkg, reading ssh data:
109      fix problem in case the model does not start at iter0=0
110    o fix mnc-pickup/restart for ptracers
111    o new package prifiles:
112      code to compute profile-based cost by Gael Forget
113      (modifs in ecco, ctrl, autodiff)
114    o Benign bug fix in initialization (spotted by M. Mazloff) of
115      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
116    
117    checkpoint58c_post
118    o adjoint: finish NLFS adjoint and provide reference output in
119      verification/global_ocean.90x40x15/results_ad_nlfs
120    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
121      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
122      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
123      with SEAICE_CGRID defined.
124    o move calendarDumps from "data" to "data.cal" and clean-up the code
125      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
126    o add useEXF & useCAL flags (for now, set in hard-coded way)
127    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
128      (were missing in NH mode, and wrong in quasihydrostatic mode).
129      waiting for Chris updated version of calc_gw to add those CALLs.
130    o fix bug in quasihydrostatic S/R ;
131      add a test for this option: global_ocean.90x40x15.qshyd
132    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
133      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
134    o add on/off flag useOffLine for package OFFLINE
135    o seaice:
136      - modify advection so that it works also on the C-grid
137      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
138        problem in multi-tile runs with C-grid
139      - add flags for clipping ice velocities and/or masking solver forcing
140      - fix drag (ocean on ice) formulation and a bug that caused noise in the
141        C-grid solver
142      - added a few comments to seaice_diffusion.F
143      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
144        are now exclusive)
145      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
146        required re-ordering the code a little:
147       + make DAIRN global variable (defined in SEAICE)
148       + move computation of the viscosities eta and zeta into a new separate
149         routine (because I need to recompute them in seaice_ocean_stress.F)
150    
151    checkpoint58b_post
152    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
153      update output.txt of exp. aim.5l_cs.thSI
154    o various mnc cleanups and improvements:
155      + shrink lookup tables by factor of ~4
156      + better error reporting when running out of lookup space
157      + able to handle longer path/file names (up to 500 chars)
158    o adjoint:
159      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
160      - TBD: "hidden" mom_vecinv recomp. in dynamics
161    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
162     (allow to differentiate between forcing components using new integer flags:
163      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
164     and add new flag to put Dissipation tendency out of Adams-Bashforth.
165    o ecco
166      - enable trend removal from SSH anomaly obs.
167    o adjoint
168      - a fix for PmEpR when #undef EXACT_CONSERV
169      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
170      - try to fix "hidden" recomp. in forward_step for NLFS
171        (NLFS seems broken sometimes after I checked it in)
172    o seaice:
173     - add c-grid version of the dynamic solver:
174       + three new routines that are the c-grid substitute lsr, dynsolver
175         and ostres
176       + put a few fields that were local to dynsolver into global common
177         blocks, so that I can move the computation of stresses etc into
178         seaice_lsr (saves coding but may break the adjoint).
179     - replace more hardwired parameters by runtime parameters
180     - add ice masks that mask the rhs of the implicit solvers where there
181       is no ice (commented out in seaice_dynsolver, because i am not sure
182       if this works properly), eventually this should replace the clipping
183       of ice velocities in seaice_dynsolver to +/-40cm/s.
184    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
185      include it only where its needed
186    o move balancing of fluxes before the call of external_forcing_surf
187    o seaice:
188      - correct units of turning angles (now they are really in degrees)
189      - move computation of GWATX/Y out of main routine into dynsolver
190      - initialize GWATX/Y in seaice_init
191    o Apply mask on Fresh-Water flux (needed for SSH forcing).
192      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
193    o seaice: add runtime flags for turning angles (default to zero)
194    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
195      and trend from exf forcing and ctrl control adjustments
196    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
197      (since checkpoint57x_post)
198    o change the default rotation period to 86164.s = the Earth rotation
199    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
200      and based on a reference stratification. Tested within hs94.cs-32x32x5.
201    o seaice advection: add code for choosing between the default (2nd order
202      central differences) and multiDim advection schemes provided by
203      pkg/generic_advdiff
204    o seaice:
205      - removed all references to SEAICE_GRID.h fields from
206        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
207        (cubed-sphere configuration will change a little)
208      - grid computations in seaice_init are obsolete now.
209      - cleaned up code a little so that is easier to read (hopefully).
210      - added new (better?) discretizations of default advection and diffusion
211        (turn on with SEAICEuseFluxForm)
212      - replace 1 in 3d global fields by kSurface in growth.F
213      
214    checkpoint58a_post
215    o seaice:
216      - bug fix in advect.F
217    o shelfice:
218      - separate shelfice load anomaly from pload (breaks with time
219        dependent forcing), => introduce constant field shelficeLoadAnomaly.
220        Its default is 0., but it may be computed more cleverly from (unknown)
221        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
222        done offline. A good approximation of the pressure load anomaly is
223        necessary to avoid large initial adjustment processes underneath
224        deep-reaching shelfice.
225      - small fix in ISOMIP shelfice_thermodynamics
226      - add more sophisticated thermodynamics of Hellmer (1989), this is
227        now the default
228      - give a few constants more intuitive names
229    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
230      if bulk formulae are used in long integration (especially EmPmR). Turn
231      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
232      if balancePrintMean, the imbalance that is substracted is printed to
233      STDOUT.
234    o fix bug (typo) in obcs_apply_eta.F
235    o add a new package shelfice which enables us to model the circulation
236      underneath shelf-ice with draughts of hundreds of meters.
237     - works
238     - to do: + include improved thermodynamics
239              + check whether kSurfC (from model/inc/SURFACE.h) can be used
240                instead of new field kTopC
241              + can we use topoFile, Ro_surf and existing code in ini_depth.F
242                instead of new field R_shelfIce and new code in ini_depth.F
243                and ini_mask_etc.F?
244              + adjust vertical mixing schemes?
245    o seaice pkg:
246     - add a cpp-flag to include a simple formula for a salinity dependent
247       freezing point of sea water at the surface
248     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
249       meridional stresses are now different (and hopefully correct)
250    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
251       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
252       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
253    o pkg/diagnostics: add options and parameters for regional-statistics
254       diagnostics ; define regions by reading a region-mask from a file
255       (might add other options later)
256    o pkg/bulk_force:
257     - add option and parameters to use AIM surface-flux formulae.
258     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
259       others forcing fields (defined in PARM05, parameter file "data") are loaded
260       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
261     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
262     - use the right EXCH call for uwind,vwind (to work on CS-grid).
263     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
264       and parameters (note: calcWindStress replaces .NOT.readwindstress).
265     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
266    
267    checkpoint58
268    o add "--embed-source" option to genmake2 which, when the supporting
269      tools can be compiled (as determined by genmake2) will turn on the
270      embed_files package which then embeds the entire MITgcm source code
271      (*.[fFhc] + Makefile) used for the build within the executable
272      - requested by CNH but off by default
273      - adds a paltry <9MB to the mitgcmuv executable in most cases
274      - only writes the output when useEMBEDSRC in eedata is true
275    o clean up 3-dim. relaxation codes:
276      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
277      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
278      * Thanks to Tom Haine for testing!
279    
280    checkpoint57z_post
281  o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):  o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
282    affects output (@ truncation level) of exp. plume_on_slope ; updated.    affects output (@ truncation level) of exp. plume_on_slope ; updated.
283  o fix the pickup behavior for obcs in combination with ptracers  o fix the pickup behavior for obcs in combination with ptracers
# Line 26  o completing 3-dim. relaxation code: add Line 300  o completing 3-dim. relaxation code: add
300        1) Use a constant-in-time 3-dim. field        1) Use a constant-in-time 3-dim. field
301        2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.        2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
302        3) Real-time relax. to time-evolving prescribed field        3) Real-time relax. to time-evolving prescribed field
303    o Adding Laplacian-type smoothness constraint on
304      initial and boundary (forcing) controls (ic, bc)
305      * enable at compile-time via
306        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
307      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
308      * Absolute scale somewhat unclear so far
309      * no area weighting was included since no other cost term does so far
310    
311  checkpoint57y_post  checkpoint57y_post
312  First step for a NLFS adjoint  First step for a NLFS adjoint

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