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revision 1.989 by jmc, Fri May 9 21:51:26 2008 UTC revision 1.1066 by heimbach, Fri Feb 13 17:17:58 2009 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint61i
8    o autodiff:
9      fix autodiff_sore/_restore indices for obcs
10      (spotted by I. Hoteit, M. Mazloff)
11    o pkg/autodiff, pkg/ctrl:
12      Add flag to reduce all tapelev I/O to single-prec.
13      In data.ctrl set
14        doSinglePrecTapelev = .TRUE.
15    o model/src/ini_curvilinear_grid.F: check in hack for SX8 compiler
16      to make sure that recip_dxV and recip_dyU are never zero, until we
17      have a proper exchange for them. Most compilers do not seem
18      to mind divisions by zero in the overlaps, as long as the results are
19      not used anywhere, but sxf90 does.
20    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
21      real fresh water flux (not yet)
22    o pkg/mdsio & rw:
23     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
24     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
25    o pkg/flt:
26     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
27       init_fixed & ini_varia.
28     - clean-up & simplify linear interpolation S/R:
29       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
30     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
31     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
32     - add vert. coordinate & horiz. indices to output files.
33     - change vertical position in initial condition, from index to depth [m].
34     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
35       (easier to get to a curvilinear grid) ; delX,delY no longer used.
36    o pkg/ggl90: a few modifications:
37     - fix bottom boundary condition, and interpolation of KappaE
38       near top and bottom
39     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
40     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
41     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
42    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
43      (maintain temporary backward compatibility, until next checkpoint)
44    
45    checkpoint61h
46    o pkg/diagnostics with "periodic averaging diagnostics":
47      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
48    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
49    o pkg/obcs: fix loop ranges for balancing code
50    o pkg/flt:
51     - improve criteria for finding which tile owns a float.
52     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
53    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
54      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
55      with ocean biogeo)
56    o pkg/flt:
57     - do some cleaning and fix the restart ;
58     - add output.txt in flt_example/results to get this pkg tested.
59    o genmake2: add an EXTENDED_SRC option and flag.
60       for now, cannot be turned on on command line (only through genmake_local)
61    o pkg/mdsio: read/write vector:
62     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
63     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
64       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
65     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
66      (drop to 4 digits matching for grad). But this test does not look very
67      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
68    
69    checkpoint61g
70    o pkg/flt:
71      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
72       + make OPTIONS file more standard.
73      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
74      - fix _BYTESWAPIO CPP-Flag
75      - standard reading of file-parameter "data.flt"
76      - fix argument list of S/R FLT_RESTART
77      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
78    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
79    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
80      a still unfixed compiler/optimization bug
81    
82    checkpoint61f
83    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
84      update results of global_ocean.cs32x15.icedyn test.
85    o move getcon.F from model/src to pkg/fizhi.
86    o pkg/exf: add parameter for extrapolation of temp up to the surface
87       and option to prevent negative evap (in bulk_largeyeager04 only).
88    o Prather Advection scheme: fix tracer conservation for divergent flow
89      (e.g., when using NonLin Free-Surface).
90    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
91    o gmredi (Visbeck-variable-K):
92     - add more parameters to Visbeck-variable-K.
93     - use a 5 points average for dSigmaR in Visbeck-K calculation
94       (more "homogenous": same stencil and same weights as in dSigmaH)
95     - update output of ideal_2D_oce experiment.
96    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
97      (#undef REAL4_IS_SLOW)
98     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
99       coordinate variable
100     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
101       (surface forcing fields), removes some of the functionality
102     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
103     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
104       probably not all: copy _RS surface flux fields to RL field before
105       calling DIAGNOSTICS_FILL
106     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
107       real*4 (CALL EXCH_*_RS) versions.
108     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
109       (generate new output).
110    
111    checkpoint61e
112    o gmredi (Visbeck-variable-K):
113      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
114      - change computation of Visbeck-K where Slope > Smax :        
115        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
116        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
117    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
118      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
119    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
120    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
121      does not become too large (to avoid precision problems in implicit-diffusion
122      solver); update ideal_2D_oce output.
123    o pkg ggl90:
124      - in ggl90_cal.F: compute only one set of visc/diff, used to
125        step forward TKE/T/S/momentum
126      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
127        have Prandlt =1)
128    o gmredi (fm07):
129      - add lower limit on Transition layer thickness + lower limit on 1/lambda
130      - allow to set few more params from data.gmredi
131    o pkg ggl90:
132          - add missing sqrt(2) factor in computation of mixing length
133            scale in ggl90_calc.F
134            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
135    
136    checkpoint61d
137    o adjoint modifs
138      - adapt to new field rhoInSitu
139      - allow to revert from StoreDynVars2D, StoreDynVars3D
140        to individual fields
141        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
142    o store 3-D (in-situ) density in commom block (DYNVARS.h)
143     - save 1 rho computation.
144     - no longer modify T & S inland when using down_slope pkg.
145    o gad_som : allow to switch to SOM advection for T & S without corresponding
146      pickup files (using new S/R: MDS_CHECK4FILE).
147    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
148      (for useSingleCpuIO to work in multi-threaded)
149    o pkg/shelfice:
150     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
151       with SHELFICEtopoFile in data.shelfice
152     - move code for reading ice shelf topography and modifying hFacC into separate
153       subroutines of the shelfice package
154     - separate initialisation of "fixed" and "variable" variables
155     - kTopC is not (yet) replaced by kSurfC, although this is possible
156    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
157    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
158      and rename:
159      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
160      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
161    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
162    
163    checkpoint61c
164    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
165      to add mass source/sink of fluid in the interior (3-D generalisation
166      of oceanic real-fresh water flux).
167    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
168    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
169    o new pkg: down_slope
170      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
171      - presently, modify T & S inland (dwnslp_calc_rho.F).
172        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
173      - implementation for ocean in P-coords not tested.
174      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
175    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
176      (to facilitate conversion of oceanic pkg to p-coordinate).
177    o change FIND_RHO to FIND_RHO_2D :
178      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
179    o new pkg: cheapaml
180    
181    checkpoint61b
182    o exch2:
183      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
184      - no longer depend on the order sequence (N,S,E,W).
185      - 3rd exchange no longer needed (tested with 24 tiles).
186      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
187      - exch_UV_A-grid readily available (but not yet tested).
188      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
189      (both are no longer needed) in exch_uv: no effect in forward run; but
190       get truncation error differences with adjoint exch.
191    o exch2:
192     - change index-bounds storage (moved from target to local tile,
193       more intuitive this way) ; rename/remove some variables.
194     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
195    
196    checkpoint61a
197    o exch2/matlab-topology-generator:
198      fix bug in index bounds for N-S internal exchange (hard to tell if this
199      had any effect on the solution).
200    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
201      is exceeded
202    o testreport: modify syntax of awk, so that it works also with
203      awk, and not only with nawk and gawk
204    
205    checkpoint61
206    o autodiff
207      Change default for TAF usage by removing argument '-nonew_arg'
208      This changes TAF subroutine argument list (ordering of active var.)
209      Omission of this flag leads to incompatibility w.r.t. TAMC
210      To restore TAMC-compatibility, need following modifs:
211      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
212      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
213      Tested TAF version is 1.9.22
214      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
215    
216    checkpoint60
217    --->>> This is the last checkpoint for which generating the adjoint
218    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
219    --->>> by default.
220    --->>> Future checkpoints will ommit this flag by default.
221    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
222    o pkg/grdchk: Add gradient check to etan0 perturbations.
223    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
224    o pkg/autodiff: more flexibility in zeroadj.
225      model/src: modifying do_oceanic_phys.F accordingly.
226    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
227    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
228      special setup of gmredi for which the adjoint is stable
229      enough for parameter optimization.
230    o bridging the gap between eddy stress and GM.
231      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
232          along with a change in CPP option (now ALLOW_EDDYPSI).
233      -> when using GM w/ GM_AdvForm:
234          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
235          is applied either in the tracer Eq. or in momentum Eq.
236          depending on data.gmredi (intro. GM_InMomAsStress).
237      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
238      The key modifications are in model/src/taueddy_external_forcing.F
239      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
240    
241    checkpoint59r
242    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
243      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
244      fix option to read coriolis(@ cell-corner) from files with CS-grid.
245    o pkg/mnc: add some attributes to standard 1D-coordinate variables
246    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
247      mass points, when using mnc for output
248      - add runtime parameter (missing_value, missing_value_int) to override
249        default (which is the value of getcon('UNDEF'))
250    o pkg/mnc: prepare mnc for the actual use of missing values with the
251      diagnostics package: small fix in mnc_cw_readwrite.template and more
252      initialisation of never used fields
253      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
254      versions
255    o pkg/thsice/thsice_ini_vars.F added default initial values so that
256      thermodynamics sea ice solver does not blow up when some initial fields
257      are missing.
258    o move from external_forcing_surf.F to ini_forcing.F
259      the p-coord. hack consisting in using pLoad to set phi0surf ;
260      update output of tutorial_global_oce_in_p (affected @ truncation level).
261    o Freshen up a bit hs94.1x64x5, notably:
262      remove rotationPeriod and tRef=5*0. (adjoint only), and add
263      exactConserv=.TRUE.
264  o pkg/generic_advdiff:  o pkg/generic_advdiff:
265    change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only    change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
266    applies to files where Temperature & Salinity 2nd Order moments are used.    applies to files where Temperature & Salinity 2nd Order moments are used.

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