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revision 1.598 by edhill, Wed Jan 11 06:04:11 2006 UTC revision 1.670 by mlosch, Thu Jun 8 00:13:15 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    
9    checkpoint58h_post
10    * Modifications for bottom topography control
11      o replace hFacC by _hFacC at various places
12      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
13      o add non-self-adjoint cg2d_nsa
14      o update autodiff support routines
15      o re-initialise hfac after ctrl_depth_ini
16      o works for 5x5 box, doesnt work for global_ocean.90x40x15
17    * Adding verification for 5x5 box (4-layer) bottom topography control
18    
19    checkpoint58g_post
20    o pkg/ggl90:
21      - add parameter (minimum surface kinetic energy)
22      - fix bug (avoiding division by zero)
23    o couple pkg/thsice to pkg/seaice:
24      - modify advection in seaice to accomodate new scalar fields to be advected
25      - only muliDimAdection scheme work with seaice/thsice
26      - mapping of thsice-variables to seaice-variables, back and forth
27      - does not break the verification experiments, but does not give the
28        desired results either
29    o pkg/seaice
30      - make (default) second order advection a bit less confusing?
31    
32    checkpoint58f_post
33    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
34      to pkg/seaice):
35      - new routines thsice_map_exf and thsice_get_exf provide the interface
36      - add an additional formal parameter to thsice_solve4temp
37    o pkg/exf:
38      - add new fields wspeed, snowprecip (to be able to couple to thsice)
39      - correct Stefan-Boltzmann constant
40      - new parameter for longwave surface emittance
41      - separate some stuff from exf_bulkformulae into new routines  
42        exf_radiation, exf_wind
43      - add new parameters and constants: longwave emissivity for ocean, ice
44        and snow, evaporation parameters over ice
45      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
46        either wind from stress or stress from wind
47    o pkg/thSIce:
48    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
49    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
50       and THSICE_CALC_THICKN
51    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
52    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
53      to make debugging easier.
54    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
55    o pkg/bulk_force:
56      - clean-up comments and parameters ;
57      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
58    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
59      generate new output for test-experiment: aim.5l_cs.thSI
60    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
61      testreport accordingly
62    
63    checkpoint58e_post
64    o SEAICE_CGRID adjoint done
65    o R_STAR adjoint implemented.
66      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
67      * need to sort out init. of h0facc, etc.
68    o Make pkg/profile fully independent of ecco,cost, etc. stuff
69      to be able to use it in pure forward.
70    
71    checkpoint58d_post
72    o upgrade simple test-experiment to tutorial example:
73     step.1: duplicate the experiment and (step.2) will remove the old copy.
74      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
75      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
76      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
77      tutorial_global_oce_biogeo    <- copy of dic_example
78      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
79      tutorial_plume_on_slope       <- copy of plume_on_slope
80      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
81      tutorial_global_oce_optim     <- empty for now (David ?)
82      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
83     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
84    o correct a sign problem in cost_scat.F
85    o obcs and ptracers: fix boundary conditions for advections schemes
86      with larger stencil
87    o thsice adjoint: start
88    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
89      completeness
90    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
91      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
92    o ptracers adjoint:
93      * avoid extensive recomputatations
94      * fix missing re-init. of gptr (missed by TAF)
95    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
96      me to turn off the excessive output to STDOUT that this package produces
97    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
98      and add those terms in Vector-Invariant formulation.
99    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
100      if the control period (xx_hfluxperiod etc) is 0
101    o in profiles pkg, clean routines and fix details
102    o in ecco pkg, reading ssh data:
103      fix problem in case the model does not start at iter0=0
104    o fix mnc-pickup/restart for ptracers
105    o new package prifiles:
106      code to compute profile-based cost by Gael Forget
107      (modifs in ecco, ctrl, autodiff)
108    o Benign bug fix in initialization (spotted by M. Mazloff) of
109      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
110    
111    checkpoint58c_post
112    o adjoint: finish NLFS adjoint and provide reference output in
113      verification/global_ocean.90x40x15/results_ad_nlfs
114    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
115      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
116      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
117      with SEAICE_CGRID defined.
118    o move calendarDumps from "data" to "data.cal" and clean-up the code
119      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
120    o add useEXF & useCAL flags (for now, set in hard-coded way)
121    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
122      (were missing in NH mode, and wrong in quasihydrostatic mode).
123      waiting for Chris updated version of calc_gw to add those CALLs.
124    o fix bug in quasihydrostatic S/R ;
125      add a test for this option: global_ocean.90x40x15.qshyd
126    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
127      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
128    o add on/off flag useOffLine for package OFFLINE
129    o seaice:
130      - modify advection so that it works also on the C-grid
131      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
132        problem in multi-tile runs with C-grid
133      - add flags for clipping ice velocities and/or masking solver forcing
134      - fix drag (ocean on ice) formulation and a bug that caused noise in the
135        C-grid solver
136      - added a few comments to seaice_diffusion.F
137      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
138        are now exclusive)
139      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
140        required re-ordering the code a little:
141       + make DAIRN global variable (defined in SEAICE)
142       + move computation of the viscosities eta and zeta into a new separate
143         routine (because I need to recompute them in seaice_ocean_stress.F)
144    
145    checkpoint58b_post
146    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
147      update output.txt of exp. aim.5l_cs.thSI
148    o various mnc cleanups and improvements:
149      + shrink lookup tables by factor of ~4
150      + better error reporting when running out of lookup space
151      + able to handle longer path/file names (up to 500 chars)
152    o adjoint:
153      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
154      - TBD: "hidden" mom_vecinv recomp. in dynamics
155    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
156     (allow to differentiate between forcing components using new integer flags:
157      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
158     and add new flag to put Dissipation tendency out of Adams-Bashforth.
159    o ecco
160      - enable trend removal from SSH anomaly obs.
161    o adjoint
162      - a fix for PmEpR when #undef EXACT_CONSERV
163      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
164      - try to fix "hidden" recomp. in forward_step for NLFS
165        (NLFS seems broken sometimes after I checked it in)
166    o seaice:
167     - add c-grid version of the dynamic solver:
168       + three new routines that are the c-grid substitute lsr, dynsolver
169         and ostres
170       + put a few fields that were local to dynsolver into global common
171         blocks, so that I can move the computation of stresses etc into
172         seaice_lsr (saves coding but may break the adjoint).
173     - replace more hardwired parameters by runtime parameters
174     - add ice masks that mask the rhs of the implicit solvers where there
175       is no ice (commented out in seaice_dynsolver, because i am not sure
176       if this works properly), eventually this should replace the clipping
177       of ice velocities in seaice_dynsolver to +/-40cm/s.
178    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
179      include it only where its needed
180    o move balancing of fluxes before the call of external_forcing_surf
181    o seaice:
182      - correct units of turning angles (now they are really in degrees)
183      - move computation of GWATX/Y out of main routine into dynsolver
184      - initialize GWATX/Y in seaice_init
185    o Apply mask on Fresh-Water flux (needed for SSH forcing).
186      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
187    o seaice: add runtime flags for turning angles (default to zero)
188    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
189      and trend from exf forcing and ctrl control adjustments
190    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
191      (since checkpoint57x_post)
192    o change the default rotation period to 86164.s = the Earth rotation
193    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
194      and based on a reference stratification. Tested within hs94.cs-32x32x5.
195    o seaice advection: add code for choosing between the default (2nd order
196      central differences) and multiDim advection schemes provided by
197      pkg/generic_advdiff
198    o seaice:
199      - removed all references to SEAICE_GRID.h fields from
200        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
201        (cubed-sphere configuration will change a little)
202      - grid computations in seaice_init are obsolete now.
203      - cleaned up code a little so that is easier to read (hopefully).
204      - added new (better?) discretizations of default advection and diffusion
205        (turn on with SEAICEuseFluxForm)
206      - replace 1 in 3d global fields by kSurface in growth.F
207      
208    checkpoint58a_post
209    o seaice:
210      - bug fix in advect.F
211    o shelfice:
212      - separate shelfice load anomaly from pload (breaks with time
213        dependent forcing), => introduce constant field shelficeLoadAnomaly.
214        Its default is 0., but it may be computed more cleverly from (unknown)
215        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
216        done offline. A good approximation of the pressure load anomaly is
217        necessary to avoid large initial adjustment processes underneath
218        deep-reaching shelfice.
219      - small fix in ISOMIP shelfice_thermodynamics
220      - add more sophisticated thermodynamics of Hellmer (1989), this is
221        now the default
222      - give a few constants more intuitive names
223    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
224      if bulk formulae are used in long integration (especially EmPmR). Turn
225      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
226      if balancePrintMean, the imbalance that is substracted is printed to
227      STDOUT.
228    o fix bug (typo) in obcs_apply_eta.F
229    o add a new package shelfice which enables us to model the circulation
230      underneath shelf-ice with draughts of hundreds of meters.
231     - works
232     - to do: + include improved thermodynamics
233              + check whether kSurfC (from model/inc/SURFACE.h) can be used
234                instead of new field kTopC
235              + can we use topoFile, Ro_surf and existing code in ini_depth.F
236                instead of new field R_shelfIce and new code in ini_depth.F
237                and ini_mask_etc.F?
238              + adjust vertical mixing schemes?
239    o seaice pkg:
240     - add a cpp-flag to include a simple formula for a salinity dependent
241       freezing point of sea water at the surface
242     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
243       meridional stresses are now different (and hopefully correct)
244    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
245       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
246       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
247    o pkg/diagnostics: add options and parameters for regional-statistics
248       diagnostics ; define regions by reading a region-mask from a file
249       (might add other options later)
250    o pkg/bulk_force:
251     - add option and parameters to use AIM surface-flux formulae.
252     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
253       others forcing fields (defined in PARM05, parameter file "data") are loaded
254       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
255     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
256     - use the right EXCH call for uwind,vwind (to work on CS-grid).
257     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
258       and parameters (note: calcWindStress replaces .NOT.readwindstress).
259     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
260    
261    checkpoint58
262  o add "--embed-source" option to genmake2 which, when the supporting  o add "--embed-source" option to genmake2 which, when the supporting
263    tools can be compiled (as determined by genmake2) will turn on the    tools can be compiled (as determined by genmake2) will turn on the
264    embed_files package which then embeds the entire MITgcm source code    embed_files package which then embeds the entire MITgcm source code

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