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revision 1.966 by jmc, Fri Mar 7 19:25:48 2008 UTC revision 1.1060 by jmc, Tue Feb 3 23:36:05 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 pkg/mdsio & rw:
8     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
9     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
10    o pkg/flt:
11     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
12       init_fixed & ini_varia.
13     - clean-up & simplify linear interpolation S/R:
14       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
15     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
16     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
17    o pkg/ggl90: a few modifications:
18     - fix bottom boundary condition, and interpolation of KappaE
19       near top and bottom
20     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
21     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
22     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
23    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
24      (maintain temporary backward compatibility, until next checkpoint)
25    
26    checkpoint61h
27    o pkg/diagnostics with "periodic averaging diagnostics":
28      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
29    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
30    o pkg/obcs: fix loop ranges for balancing code
31    o pkg/flt:
32     - improve criteria for finding which tile owns a float.
33     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
34    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
35      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
36      with ocean biogeo)
37    o pkg/flt:
38     - do some cleaning and fix the restart ;
39     - add output.txt in flt_example/results to get this pkg tested.
40    o genmake2: add an EXTENDED_SRC option and flag.
41       for now, cannot be turned on on command line (only through genmake_local)
42    o pkg/mdsio: read/write vector:
43     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
44     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
45       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
46     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
47      (drop to 4 digits matching for grad). But this test does not look very
48      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
49    
50    checkpoint61g
51    o pkg/flt:
52      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
53       + make OPTIONS file more standard.
54      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
55      - fix _BYTESWAPIO CPP-Flag
56      - standard reading of file-parameter "data.flt"
57      - fix argument list of S/R FLT_RESTART
58      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
59    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
60    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
61      a still unfixed compiler/optimization bug
62    
63    checkpoint61f
64    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
65      update results of global_ocean.cs32x15.icedyn test.
66    o move getcon.F from model/src to pkg/fizhi.
67    o pkg/exf: add parameter for extrapolation of temp up to the surface
68       and option to prevent negative evap (in bulk_largeyeager04 only).
69    o Prather Advection scheme: fix tracer conservation for divergent flow
70      (e.g., when using NonLin Free-Surface).
71    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
72    o gmredi (Visbeck-variable-K):
73     - add more parameters to Visbeck-variable-K.
74     - use a 5 points average for dSigmaR in Visbeck-K calculation
75       (more "homogenous": same stencil and same weights as in dSigmaH)
76     - update output of ideal_2D_oce experiment.
77    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
78      (#undef REAL4_IS_SLOW)
79     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
80       coordinate variable
81     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
82       (surface forcing fields), removes some of the functionality
83     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
84     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
85       probably not all: copy _RS surface flux fields to RL field before
86       calling DIAGNOSTICS_FILL
87     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
88       real*4 (CALL EXCH_*_RS) versions.
89     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
90       (generate new output).
91    
92    checkpoint61e
93    o gmredi (Visbeck-variable-K):
94      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
95      - change computation of Visbeck-K where Slope > Smax :        
96        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
97        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
98    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
99      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
100    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
101    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
102      does not become too large (to avoid precision problems in implicit-diffusion
103      solver); update ideal_2D_oce output.
104    o pkg ggl90:
105      - in ggl90_cal.F: compute only one set of visc/diff, used to
106        step forward TKE/T/S/momentum
107      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
108        have Prandlt =1)
109    o gmredi (fm07):
110      - add lower limit on Transition layer thickness + lower limit on 1/lambda
111      - allow to set few more params from data.gmredi
112    o pkg ggl90:
113          - add missing sqrt(2) factor in computation of mixing length
114            scale in ggl90_calc.F
115            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
116    
117    checkpoint61d
118    o adjoint modifs
119      - adapt to new field rhoInSitu
120      - allow to revert from StoreDynVars2D, StoreDynVars3D
121        to individual fields
122        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
123    o store 3-D (in-situ) density in commom block (DYNVARS.h)
124     - save 1 rho computation.
125     - no longer modify T & S inland when using down_slope pkg.
126    o gad_som : allow to switch to SOM advection for T & S without corresponding
127      pickup files (using new S/R: MDS_CHECK4FILE).
128    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
129      (for useSingleCpuIO to work in multi-threaded)
130    o pkg/shelfice:
131     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
132       with SHELFICEtopoFile in data.shelfice
133     - move code for reading ice shelf topography and modifying hFacC into separate
134       subroutines of the shelfice package
135     - separate initialisation of "fixed" and "variable" variables
136     - kTopC is not (yet) replaced by kSurfC, although this is possible
137    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
138    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
139      and rename:
140      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
141      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
142    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
143    
144    checkpoint61c
145    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
146      to add mass source/sink of fluid in the interior (3-D generalisation
147      of oceanic real-fresh water flux).
148    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
149    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
150    o new pkg: down_slope
151      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
152      - presently, modify T & S inland (dwnslp_calc_rho.F).
153        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
154      - implementation for ocean in P-coords not tested.
155      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
156    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
157      (to facilitate conversion of oceanic pkg to p-coordinate).
158    o change FIND_RHO to FIND_RHO_2D :
159      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
160    o new pkg: cheapaml
161    
162    checkpoint61b
163    o exch2:
164      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
165      - no longer depend on the order sequence (N,S,E,W).
166      - 3rd exchange no longer needed (tested with 24 tiles).
167      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
168      - exch_UV_A-grid readily available (but not yet tested).
169      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
170      (both are no longer needed) in exch_uv: no effect in forward run; but
171       get truncation error differences with adjoint exch.
172    o exch2:
173     - change index-bounds storage (moved from target to local tile,
174       more intuitive this way) ; rename/remove some variables.
175     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
176    
177    checkpoint61a
178    o exch2/matlab-topology-generator:
179      fix bug in index bounds for N-S internal exchange (hard to tell if this
180      had any effect on the solution).
181    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
182      is exceeded
183    o testreport: modify syntax of awk, so that it works also with
184      awk, and not only with nawk and gawk
185    
186    checkpoint61
187    o autodiff
188      Change default for TAF usage by removing argument '-nonew_arg'
189      This changes TAF subroutine argument list (ordering of active var.)
190      Omission of this flag leads to incompatibility w.r.t. TAMC
191      To restore TAMC-compatibility, need following modifs:
192      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
193      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
194      Tested TAF version is 1.9.22
195      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
196    
197    checkpoint60
198    --->>> This is the last checkpoint for which generating the adjoint
199    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
200    --->>> by default.
201    --->>> Future checkpoints will ommit this flag by default.
202    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
203    o pkg/grdchk: Add gradient check to etan0 perturbations.
204    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
205    o pkg/autodiff: more flexibility in zeroadj.
206      model/src: modifying do_oceanic_phys.F accordingly.
207    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
208    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
209      special setup of gmredi for which the adjoint is stable
210      enough for parameter optimization.
211    o bridging the gap between eddy stress and GM.
212      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
213          along with a change in CPP option (now ALLOW_EDDYPSI).
214      -> when using GM w/ GM_AdvForm:
215          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
216          is applied either in the tracer Eq. or in momentum Eq.
217          depending on data.gmredi (intro. GM_InMomAsStress).
218      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
219      The key modifications are in model/src/taueddy_external_forcing.F
220      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
221    
222    checkpoint59r
223    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
224      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
225      fix option to read coriolis(@ cell-corner) from files with CS-grid.
226    o pkg/mnc: add some attributes to standard 1D-coordinate variables
227    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
228      mass points, when using mnc for output
229      - add runtime parameter (missing_value, missing_value_int) to override
230        default (which is the value of getcon('UNDEF'))
231    o pkg/mnc: prepare mnc for the actual use of missing values with the
232      diagnostics package: small fix in mnc_cw_readwrite.template and more
233      initialisation of never used fields
234      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
235      versions
236    o pkg/thsice/thsice_ini_vars.F added default initial values so that
237      thermodynamics sea ice solver does not blow up when some initial fields
238      are missing.
239    o move from external_forcing_surf.F to ini_forcing.F
240      the p-coord. hack consisting in using pLoad to set phi0surf ;
241      update output of tutorial_global_oce_in_p (affected @ truncation level).
242    o Freshen up a bit hs94.1x64x5, notably:
243      remove rotationPeriod and tRef=5*0. (adjoint only), and add
244      exactConserv=.TRUE.
245    o pkg/generic_advdiff:
246      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
247      applies to files where Temperature & Salinity 2nd Order moments are used.
248    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
249      this uses a dynamically allocated internal state data structure
250      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
251      and requires a fortran 90 compiler
252    
253    checkpoint59q
254    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
255       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
256    o Refresh tutorial_global_oce_biogeo, notably:
257      - change bathymetry (put back seamounts in ACC, use hFacs)
258      - change EOS (POLY3 --> JMD95Z)
259      - use Bryan-Lewis vertical diffusivity
260      - use multidimensional advection
261      - remove old virtual virtual in dic pkg, now done through ptracer pkg
262      - change a couple of parameters in dic pkg
263    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
264    o pkg/obcs: change default to OBCSfixTopo = .true.,
265      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
266      - replace "debugMode" with "debugLevel .GE. debLevB"
267    o implementation of TAF directives for gchem,cfc,dic
268    o remove "exp5" (replaced by tutorial_deep_convection).
269    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
270      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
271      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
272      --> changes results in exp4, seaice_obcs
273    o tutorial_deep_convection :
274      update the set-up and increase resolution and domain size ; start
275      from pseudo initial conditions = output at t=120mn in order to see
276      something happening when running testreport.
277    o pkg/seaice: add os7mp as an advection scheme
278                  add check for advection schemes
279                  add a flag for restoring T and S underneath sea ice
280    o pkg/my82: add netcdf-support and diagnostics
281    o thsice pkg:
282      - Now hsMax limits snow height by turning it into ice following
283        flooding scheme (and now conserving energy)
284      - Slight rewriting of the formula in thsice_calc_thick.F
285      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
286      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
287    
288    checkpoint59p
289    o gchem / dic / cfc :
290      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
291      - add new parameter files: "data.dic" & "data.cfc" ;
292      - various re-arrangement in initialisation & header file ;
293      - fix tutorial_global_oce_biogeo for multi-threaded test.
294    o pkg/dic: test for "pickup_dic" file when restarting ;
295      if no pickup-file, can restart with a re-initialised pH (same as it did
296      before) providing pickupStrictlyMatch is set to False.
297    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
298      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
299    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
300      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
301    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
302     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
303       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
304    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
305       scheme to use for vorticty-term ;
306     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
307       (with default selectVortScheme, return to original discretisation)
308     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
309    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
310    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
311      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
312      also fix diagnostics VISCAHW & VISCA4W.
313    
314  checkpoint59o  checkpoint59o
315  o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).  o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
316  o change the loop ordering in most gad_*_adv_x.F to improve vectorization:  o change the loop ordering in most gad_*_adv_x.F to improve vectorization:

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