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revision 1.1002 by gforget, Wed Jun 11 19:32:27 2008 UTC revision 1.1083 by jmc, Fri Mar 27 00:09:17 2009 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
8    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
9       update lab_sea.lsr & lab_sea.salt_plume results
10    o pkg/seaice:
11      Major overhaul of the LSOR solver: change discretization from original
12      finite differences to finite volume. The old routine is still in the
13      file seaice_lsr.F and can be turned on with the CPP-flag
14      SEAICE_OLD_AND_BAD_DISCRETIZATION
15      Along with this change, the discretization of the strain rates is changed.
16      The same flag turns on the old discretization in seaice_calc_strainrates.F
17      All verification experiments with seaice are affected (except for
18      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
19      results by setting the above flag.
20      Further changes involve changes in defaults:
21      - ALLOW_FLOODING is defined and turned on by default
22      - SEAICE_advSnow = .true. is now the default
23      - SEAICE_advSalt = .true. is now the default
24      - SEAICE_advAge  = .true. is now the default
25      - SEAICE_clipVelocities  = .false. is now the default
26                                         (as per J. Zhang's recommendation)
27      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
28        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
29      - seaice_growth: replace computation of UG by a simple copy from wspeed
30    
31    checkpoint61k
32    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
33      seaice_lsr: fixed a few metric terms,
34                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
35                  add more debugging diagnostics
36      seaice_evp: removed superfluous many metric terms of FV discretization
37                  of stress divergence
38                  affects lab_sea, lab_sea.hb87
39      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
40                  of stress divergence for non-evp solver
41                  (this part is not tested anywhere)
42      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
43                  they were effectively only half slip
44                  affects lab_sea.hb87
45      updated all relevant verification experiments (except lab_sea//output_adm.txt
46        which was left over, but fails at level 7 & 6)
47    
48    checkpoint61j
49    o pkg/seaice: turn a few hard wired parameters into run time parameters
50    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
51      time in seconds as promised by the usints in seaice_monitor and exf_monitor
52    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
53      that are not cubed-sphere grids
54    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
55    o pkg/ctrl:
56      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
57    o non-hydrostatic (calc_gw.F):
58      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
59      update output of exp. global_ocean.cs32x15.viscA4
60    o remove backward compatibility for thetaMin,phiMin
61      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
62    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
63      interpolated wind field not only for curvilineargrid=.true., but also
64      for a rotated grid (rotateGrid=.true.)
65    o pkg/exf: add capability to bypass interpolation for runoff
66      by setting yet another CPP-flag
67    o eesupp/src, B-grid exchange:
68      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
69    o autodiff
70      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
71      allows to switch to single-prec common blocks;
72      corresponding switch occurs in tamc.h, integer isbyte
73      TAF store directivs "byte" and "kind" seem equivalent;
74      Most tamc.h have been updated correspondingly.
75    
76    checkpoint61i
77    o autodiff:
78      fix autodiff_sore/_restore indices for obcs
79      (spotted by I. Hoteit, M. Mazloff)
80    o pkg/autodiff, pkg/ctrl:
81      Add flag to reduce all tapelev I/O to single-prec.
82      In data.ctrl set
83        doSinglePrecTapelev = .TRUE.
84    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
85      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
86    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
87      real fresh water flux (not yet)
88    o pkg/mdsio & rw:
89     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
90     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
91    o pkg/flt:
92     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
93       init_fixed & ini_varia.
94     - clean-up & simplify linear interpolation S/R:
95       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
96     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
97     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
98     - add vert. coordinate & horiz. indices to output files.
99     - change vertical position in initial condition, from index to depth [m].
100     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
101       (easier to get to a curvilinear grid) ; delX,delY no longer used.
102    o pkg/ggl90: a few modifications:
103     - fix bottom boundary condition, and interpolation of KappaE
104       near top and bottom
105     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
106     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
107     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
108    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
109      (maintain temporary backward compatibility, until next checkpoint)
110    
111    checkpoint61h
112    o pkg/diagnostics with "periodic averaging diagnostics":
113      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
114    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
115    o pkg/obcs: fix loop ranges for balancing code
116    o pkg/flt:
117     - improve criteria for finding which tile owns a float.
118     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
119    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
120      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
121      with ocean biogeo)
122    o pkg/flt:
123     - do some cleaning and fix the restart ;
124     - add output.txt in flt_example/results to get this pkg tested.
125    o genmake2: add an EXTENDED_SRC option and flag.
126       for now, cannot be turned on on command line (only through genmake_local)
127    o pkg/mdsio: read/write vector:
128     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
129     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
130       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
131     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
132      (drop to 4 digits matching for grad). But this test does not look very
133      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
134    
135    checkpoint61g
136    o pkg/flt:
137      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
138       + make OPTIONS file more standard.
139      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
140      - fix _BYTESWAPIO CPP-Flag
141      - standard reading of file-parameter "data.flt"
142      - fix argument list of S/R FLT_RESTART
143      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
144    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
145    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
146      a still unfixed compiler/optimization bug
147    
148    checkpoint61f
149    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
150      update results of global_ocean.cs32x15.icedyn test.
151    o move getcon.F from model/src to pkg/fizhi.
152    o pkg/exf: add parameter for extrapolation of temp up to the surface
153       and option to prevent negative evap (in bulk_largeyeager04 only).
154    o Prather Advection scheme: fix tracer conservation for divergent flow
155      (e.g., when using NonLin Free-Surface).
156    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
157    o gmredi (Visbeck-variable-K):
158     - add more parameters to Visbeck-variable-K.
159     - use a 5 points average for dSigmaR in Visbeck-K calculation
160       (more "homogenous": same stencil and same weights as in dSigmaH)
161     - update output of ideal_2D_oce experiment.
162    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
163      (#undef REAL4_IS_SLOW)
164     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
165       coordinate variable
166     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
167       (surface forcing fields), removes some of the functionality
168     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
169     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
170       probably not all: copy _RS surface flux fields to RL field before
171       calling DIAGNOSTICS_FILL
172     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
173       real*4 (CALL EXCH_*_RS) versions.
174     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
175       (generate new output).
176    
177    checkpoint61e
178    o gmredi (Visbeck-variable-K):
179      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
180      - change computation of Visbeck-K where Slope > Smax :        
181        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
182        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
183    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
184      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
185    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
186    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
187      does not become too large (to avoid precision problems in implicit-diffusion
188      solver); update ideal_2D_oce output.
189    o pkg ggl90:
190      - in ggl90_cal.F: compute only one set of visc/diff, used to
191        step forward TKE/T/S/momentum
192      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
193        have Prandlt =1)
194    o gmredi (fm07):
195      - add lower limit on Transition layer thickness + lower limit on 1/lambda
196      - allow to set few more params from data.gmredi
197    o pkg ggl90:
198          - add missing sqrt(2) factor in computation of mixing length
199            scale in ggl90_calc.F
200            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
201    
202    checkpoint61d
203    o adjoint modifs
204      - adapt to new field rhoInSitu
205      - allow to revert from StoreDynVars2D, StoreDynVars3D
206        to individual fields
207        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
208    o store 3-D (in-situ) density in commom block (DYNVARS.h)
209     - save 1 rho computation.
210     - no longer modify T & S inland when using down_slope pkg.
211    o gad_som : allow to switch to SOM advection for T & S without corresponding
212      pickup files (using new S/R: MDS_CHECK4FILE).
213    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
214      (for useSingleCpuIO to work in multi-threaded)
215    o pkg/shelfice:
216     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
217       with SHELFICEtopoFile in data.shelfice
218     - move code for reading ice shelf topography and modifying hFacC into separate
219       subroutines of the shelfice package
220     - separate initialisation of "fixed" and "variable" variables
221     - kTopC is not (yet) replaced by kSurfC, although this is possible
222    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
223    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
224      and rename:
225      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
226      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
227    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
228    
229    checkpoint61c
230    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
231      to add mass source/sink of fluid in the interior (3-D generalisation
232      of oceanic real-fresh water flux).
233    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
234    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
235    o new pkg: down_slope
236      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
237      - presently, modify T & S inland (dwnslp_calc_rho.F).
238        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
239      - implementation for ocean in P-coords not tested.
240      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
241    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
242      (to facilitate conversion of oceanic pkg to p-coordinate).
243    o change FIND_RHO to FIND_RHO_2D :
244      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
245    o new pkg: cheapaml
246    
247    checkpoint61b
248    o exch2:
249      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
250      - no longer depend on the order sequence (N,S,E,W).
251      - 3rd exchange no longer needed (tested with 24 tiles).
252      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
253      - exch_UV_A-grid readily available (but not yet tested).
254      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
255      (both are no longer needed) in exch_uv: no effect in forward run; but
256       get truncation error differences with adjoint exch.
257    o exch2:
258     - change index-bounds storage (moved from target to local tile,
259       more intuitive this way) ; rename/remove some variables.
260     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
261    
262    checkpoint61a
263    o exch2/matlab-topology-generator:
264      fix bug in index bounds for N-S internal exchange (hard to tell if this
265      had any effect on the solution).
266    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
267      is exceeded
268    o testreport: modify syntax of awk, so that it works also with
269      awk, and not only with nawk and gawk
270    
271    checkpoint61
272    o autodiff
273      Change default for TAF usage by removing argument '-nonew_arg'
274      This changes TAF subroutine argument list (ordering of active var.)
275      Omission of this flag leads to incompatibility w.r.t. TAMC
276      To restore TAMC-compatibility, need following modifs:
277      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
278      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
279      Tested TAF version is 1.9.22
280      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
281    
282    checkpoint60
283    --->>> This is the last checkpoint for which generating the adjoint
284    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
285    --->>> by default.
286    --->>> Future checkpoints will ommit this flag by default.
287    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
288  o pkg/grdchk: Add gradient check to etan0 perturbations.  o pkg/grdchk: Add gradient check to etan0 perturbations.
289  o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).  o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
290  o pkg/autodiff: more flexibility in zeroadj.  o pkg/autodiff: more flexibility in zeroadj.
# Line 22  o bridging the gap between eddy stress a Line 303  o bridging the gap between eddy stress a
303    -> ALLOW_EDDYPSI_CONTROL for estimation purpose.    -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
304    The key modifications are in model/src/taueddy_external_forcing.F    The key modifications are in model/src/taueddy_external_forcing.F
305    pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F    pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
306    
307  checkpoint59r  checkpoint59r
308  o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array  o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
309    from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);    from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
# Line 2146  o add two new packages Line 2428  o add two new packages
2428    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2429    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2430      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2431      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2432  o add offline package  o add offline package
2433  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2434    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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