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revision 1.872 by dimitri, Sat Sep 15 01:38:59 2007 UTC revision 1.1074 by mlosch, Tue Mar 3 10:01:40 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/mnc: fix the coordinate variables for multi-tile curvi-linear grids
8      that are not cubed-sphere grids
9    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
10    o pkg/ctrl:
11      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
12    o non-hydrostatic (calc_gw.F):
13      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
14      update output of exp. global_ocean.cs32x15.viscA4
15    o remove backward compatibility for thetaMin,phiMin
16      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
17    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
18      interpolated wind field not only for curvilineargrid=.true., but also
19      for a rotated grid (rotateGrid=.true.)
20    o pkg/exf: add capability to bypass interpolation for runoff
21      by setting yet another CPP-flag
22    o eesupp/src, B-grid exchange:
23      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
24    o autodiff
25      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
26      allows to switch to single-prec common blocks;
27      corresponding switch occurs in tamc.h, integer isbyte
28      TAF store directivs "byte" and "kind" seem equivalent;
29      Most tamc.h have been updated correspondingly.
30    
31    checkpoint61i
32    o autodiff:
33      fix autodiff_sore/_restore indices for obcs
34      (spotted by I. Hoteit, M. Mazloff)
35    o pkg/autodiff, pkg/ctrl:
36      Add flag to reduce all tapelev I/O to single-prec.
37      In data.ctrl set
38        doSinglePrecTapelev = .TRUE.
39    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
40      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
41    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
42      real fresh water flux (not yet)
43    o pkg/mdsio & rw:
44     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
45     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
46    o pkg/flt:
47     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
48       init_fixed & ini_varia.
49     - clean-up & simplify linear interpolation S/R:
50       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
51     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
52     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
53     - add vert. coordinate & horiz. indices to output files.
54     - change vertical position in initial condition, from index to depth [m].
55     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
56       (easier to get to a curvilinear grid) ; delX,delY no longer used.
57    o pkg/ggl90: a few modifications:
58     - fix bottom boundary condition, and interpolation of KappaE
59       near top and bottom
60     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
61     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
62     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
63    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
64      (maintain temporary backward compatibility, until next checkpoint)
65    
66    checkpoint61h
67    o pkg/diagnostics with "periodic averaging diagnostics":
68      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
69    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
70    o pkg/obcs: fix loop ranges for balancing code
71    o pkg/flt:
72     - improve criteria for finding which tile owns a float.
73     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
74    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
75      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
76      with ocean biogeo)
77    o pkg/flt:
78     - do some cleaning and fix the restart ;
79     - add output.txt in flt_example/results to get this pkg tested.
80    o genmake2: add an EXTENDED_SRC option and flag.
81       for now, cannot be turned on on command line (only through genmake_local)
82    o pkg/mdsio: read/write vector:
83     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
84     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
85       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
86     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
87      (drop to 4 digits matching for grad). But this test does not look very
88      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
89    
90    checkpoint61g
91    o pkg/flt:
92      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
93       + make OPTIONS file more standard.
94      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
95      - fix _BYTESWAPIO CPP-Flag
96      - standard reading of file-parameter "data.flt"
97      - fix argument list of S/R FLT_RESTART
98      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
99    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
100    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
101      a still unfixed compiler/optimization bug
102    
103    checkpoint61f
104    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
105      update results of global_ocean.cs32x15.icedyn test.
106    o move getcon.F from model/src to pkg/fizhi.
107    o pkg/exf: add parameter for extrapolation of temp up to the surface
108       and option to prevent negative evap (in bulk_largeyeager04 only).
109    o Prather Advection scheme: fix tracer conservation for divergent flow
110      (e.g., when using NonLin Free-Surface).
111    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
112    o gmredi (Visbeck-variable-K):
113     - add more parameters to Visbeck-variable-K.
114     - use a 5 points average for dSigmaR in Visbeck-K calculation
115       (more "homogenous": same stencil and same weights as in dSigmaH)
116     - update output of ideal_2D_oce experiment.
117    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
118      (#undef REAL4_IS_SLOW)
119     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
120       coordinate variable
121     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
122       (surface forcing fields), removes some of the functionality
123     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
124     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
125       probably not all: copy _RS surface flux fields to RL field before
126       calling DIAGNOSTICS_FILL
127     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
128       real*4 (CALL EXCH_*_RS) versions.
129     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
130       (generate new output).
131    
132    checkpoint61e
133    o gmredi (Visbeck-variable-K):
134      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
135      - change computation of Visbeck-K where Slope > Smax :        
136        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
137        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
138    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
139      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
140    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
141    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
142      does not become too large (to avoid precision problems in implicit-diffusion
143      solver); update ideal_2D_oce output.
144    o pkg ggl90:
145      - in ggl90_cal.F: compute only one set of visc/diff, used to
146        step forward TKE/T/S/momentum
147      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
148        have Prandlt =1)
149    o gmredi (fm07):
150      - add lower limit on Transition layer thickness + lower limit on 1/lambda
151      - allow to set few more params from data.gmredi
152    o pkg ggl90:
153          - add missing sqrt(2) factor in computation of mixing length
154            scale in ggl90_calc.F
155            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
156    
157    checkpoint61d
158    o adjoint modifs
159      - adapt to new field rhoInSitu
160      - allow to revert from StoreDynVars2D, StoreDynVars3D
161        to individual fields
162        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
163    o store 3-D (in-situ) density in commom block (DYNVARS.h)
164     - save 1 rho computation.
165     - no longer modify T & S inland when using down_slope pkg.
166    o gad_som : allow to switch to SOM advection for T & S without corresponding
167      pickup files (using new S/R: MDS_CHECK4FILE).
168    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
169      (for useSingleCpuIO to work in multi-threaded)
170    o pkg/shelfice:
171     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
172       with SHELFICEtopoFile in data.shelfice
173     - move code for reading ice shelf topography and modifying hFacC into separate
174       subroutines of the shelfice package
175     - separate initialisation of "fixed" and "variable" variables
176     - kTopC is not (yet) replaced by kSurfC, although this is possible
177    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
178    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
179      and rename:
180      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
181      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
182    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
183    
184    checkpoint61c
185    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
186      to add mass source/sink of fluid in the interior (3-D generalisation
187      of oceanic real-fresh water flux).
188    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
189    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
190    o new pkg: down_slope
191      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
192      - presently, modify T & S inland (dwnslp_calc_rho.F).
193        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
194      - implementation for ocean in P-coords not tested.
195      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
196    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
197      (to facilitate conversion of oceanic pkg to p-coordinate).
198    o change FIND_RHO to FIND_RHO_2D :
199      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
200    o new pkg: cheapaml
201    
202    checkpoint61b
203    o exch2:
204      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
205      - no longer depend on the order sequence (N,S,E,W).
206      - 3rd exchange no longer needed (tested with 24 tiles).
207      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
208      - exch_UV_A-grid readily available (but not yet tested).
209      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
210      (both are no longer needed) in exch_uv: no effect in forward run; but
211       get truncation error differences with adjoint exch.
212    o exch2:
213     - change index-bounds storage (moved from target to local tile,
214       more intuitive this way) ; rename/remove some variables.
215     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
216    
217    checkpoint61a
218    o exch2/matlab-topology-generator:
219      fix bug in index bounds for N-S internal exchange (hard to tell if this
220      had any effect on the solution).
221    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
222      is exceeded
223    o testreport: modify syntax of awk, so that it works also with
224      awk, and not only with nawk and gawk
225    
226    checkpoint61
227    o autodiff
228      Change default for TAF usage by removing argument '-nonew_arg'
229      This changes TAF subroutine argument list (ordering of active var.)
230      Omission of this flag leads to incompatibility w.r.t. TAMC
231      To restore TAMC-compatibility, need following modifs:
232      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
233      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
234      Tested TAF version is 1.9.22
235      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
236    
237    checkpoint60
238    --->>> This is the last checkpoint for which generating the adjoint
239    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
240    --->>> by default.
241    --->>> Future checkpoints will ommit this flag by default.
242    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
243    o pkg/grdchk: Add gradient check to etan0 perturbations.
244    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
245    o pkg/autodiff: more flexibility in zeroadj.
246      model/src: modifying do_oceanic_phys.F accordingly.
247    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
248    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
249      special setup of gmredi for which the adjoint is stable
250      enough for parameter optimization.
251    o bridging the gap between eddy stress and GM.
252      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
253          along with a change in CPP option (now ALLOW_EDDYPSI).
254      -> when using GM w/ GM_AdvForm:
255          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
256          is applied either in the tracer Eq. or in momentum Eq.
257          depending on data.gmredi (intro. GM_InMomAsStress).
258      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
259      The key modifications are in model/src/taueddy_external_forcing.F
260      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
261    
262    checkpoint59r
263    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
264      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
265      fix option to read coriolis(@ cell-corner) from files with CS-grid.
266    o pkg/mnc: add some attributes to standard 1D-coordinate variables
267    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
268      mass points, when using mnc for output
269      - add runtime parameter (missing_value, missing_value_int) to override
270        default (which is the value of getcon('UNDEF'))
271    o pkg/mnc: prepare mnc for the actual use of missing values with the
272      diagnostics package: small fix in mnc_cw_readwrite.template and more
273      initialisation of never used fields
274      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
275      versions
276    o pkg/thsice/thsice_ini_vars.F added default initial values so that
277      thermodynamics sea ice solver does not blow up when some initial fields
278      are missing.
279    o move from external_forcing_surf.F to ini_forcing.F
280      the p-coord. hack consisting in using pLoad to set phi0surf ;
281      update output of tutorial_global_oce_in_p (affected @ truncation level).
282    o Freshen up a bit hs94.1x64x5, notably:
283      remove rotationPeriod and tRef=5*0. (adjoint only), and add
284      exactConserv=.TRUE.
285    o pkg/generic_advdiff:
286      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
287      applies to files where Temperature & Salinity 2nd Order moments are used.
288    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
289      this uses a dynamically allocated internal state data structure
290      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
291      and requires a fortran 90 compiler
292    
293    checkpoint59q
294    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
295       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
296    o Refresh tutorial_global_oce_biogeo, notably:
297      - change bathymetry (put back seamounts in ACC, use hFacs)
298      - change EOS (POLY3 --> JMD95Z)
299      - use Bryan-Lewis vertical diffusivity
300      - use multidimensional advection
301      - remove old virtual virtual in dic pkg, now done through ptracer pkg
302      - change a couple of parameters in dic pkg
303    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
304    o pkg/obcs: change default to OBCSfixTopo = .true.,
305      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
306      - replace "debugMode" with "debugLevel .GE. debLevB"
307    o implementation of TAF directives for gchem,cfc,dic
308    o remove "exp5" (replaced by tutorial_deep_convection).
309    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
310      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
311      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
312      --> changes results in exp4, seaice_obcs
313    o tutorial_deep_convection :
314      update the set-up and increase resolution and domain size ; start
315      from pseudo initial conditions = output at t=120mn in order to see
316      something happening when running testreport.
317    o pkg/seaice: add os7mp as an advection scheme
318                  add check for advection schemes
319                  add a flag for restoring T and S underneath sea ice
320    o pkg/my82: add netcdf-support and diagnostics
321    o thsice pkg:
322      - Now hsMax limits snow height by turning it into ice following
323        flooding scheme (and now conserving energy)
324      - Slight rewriting of the formula in thsice_calc_thick.F
325      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
326      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
327    
328    checkpoint59p
329    o gchem / dic / cfc :
330      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
331      - add new parameter files: "data.dic" & "data.cfc" ;
332      - various re-arrangement in initialisation & header file ;
333      - fix tutorial_global_oce_biogeo for multi-threaded test.
334    o pkg/dic: test for "pickup_dic" file when restarting ;
335      if no pickup-file, can restart with a re-initialised pH (same as it did
336      before) providing pickupStrictlyMatch is set to False.
337    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
338      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
339    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
340      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
341    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
342     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
343       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
344    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
345       scheme to use for vorticty-term ;
346     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
347       (with default selectVortScheme, return to original discretisation)
348     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
349    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
350    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
351      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
352      also fix diagnostics VISCAHW & VISCA4W.
353    
354    checkpoint59o
355    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
356    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
357      move a few statemens out the main loop into separate loops
358    o pkg/shelfice:
359      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
360        (kg/m^2/s), does not break tests, because in verification/isomip,
361        rhoConstFresh=rhoConst (by accident)
362      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
363      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
364        new file model/src/seawater.F, so that they are available for all pkgs.
365      - convert potential temperature into in-situ temperature. This changes the
366        isomip tests => update tests
367    o add a flag writePickupAtEnd (default=true) to be able to suppress
368      writing a pickup at the last timestep
369    o tools/mpack-1.6 :
370      - disable automake (not working) and autoconf (not needed).
371      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
372        also cleaner with much less compilation warnings.
373    o pkg/profiles:
374      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
375      (for "less than 32 characters name" compiler requirement)
376    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
377      conditions that have a different sampling frequency than S/T/U/V obcs
378    o pkg/diagnostics (stats-diags):
379      - fix global Min/Max in case 1 processor get only empty tiles
380    o genmake2: replace (4 times)
381         make genmake_tc_1.o >> genmake_warnings 2>&1
382      with
383         COMM="$CC $CFLAGS -c genmake_tc_1.c"
384         echo $COMM >> genmake_warnings
385         $COMM >> genmake_warnings 2>&1
386      to make genmake2 always see the value of CC as specified in the optfile.
387    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
388      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
389      - modify verification advect_cs test to test SOM-advection on CS-grid.
390    o pkg/ctrl:
391      - Rewrite of ctrl_map_ini_ecco.F,
392        introducing a generic routine (ctrl_map_ini_gen.F).
393      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
394    
395    checkpoint59n
396    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
397      number in dedicate array "hdiag":
398      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
399        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
400      - many small changes (integer format) for large number of diagnostics
401      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
402        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
403    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
404      usingSphericalGrid, this allows to define the rotated grid coordinates
405      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
406      geographical coordinates according to the inverse of the rotation defined
407      by the Euler angles, so that Coriolis parameter and online-interpolation by
408      exf works with the geographical coordinates on XC/YC/XG/YG.
409      Naturally, this feature does not work with all packages, so some
410      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
411      profiles), because there the coordinates are assumed to be regular
412      spherical grid coordinates.
413    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
414      - introduce isopycnal diffusion coefficient control.
415    o tools/adjoint_options:
416      - additional control vector components.
417    o pkg/mnc: have mnc create marginally meaning full coordinate variables
418      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
419    o pkg/mypackage:
420      - add example of read/write pickup for state-var ;
421      - add entry points to the main code for state-vars diags & write-pickup.
422    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
423      transitions for useExfYearlyFields
424      - add new subroutine that determines the file to read from for
425        use*YearlyFields = .TRUE. and .FALSE.
426      - add a verification experiment to global_with_exf that tests
427        useExfYearlyFields with USE_EXF_INTERPOLATION defined
428    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
429      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
430      subroutines (which could be generated from a template, because they are
431      almost identical), for now they are included in obcs_prescribe_read.F for
432      simplicity
433    o pkg/exf:
434      - add a little more diagnostic to exf_interp_read (in analogy to
435        mds_read_field, can be turned off with debugLevel < debugLevA=1)
436      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
437        ugly but fast by unrolling short inner loops, inserting a unroll=8
438        directive in routine lagran, and splitting a loop and making do while the
439        outermost loop (the latter requires the intoduction of index arrays)
440    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
441    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
442      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
443    o verification/seaice_obcs: updated for restart test and latest options
444    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
445      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
446      for now this is only available for the C-grid code and also within
447      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
448    
449    checkpoint59m
450    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
451      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
452    o gad_som : fix flux output (& diagnostics) to have same units as other  
453      advection scheme fluxes (was previously multiplied by deltaT).  
454    o added verification/seaice_obcs both to test seaice open boundaries
455      and to provide an example matlab scrpt for generating them
456    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
457    o pkg/salt_plume: clean up salt_plume_frac.F to
458      remove redundancy in PlumeMethod 1 and 4
459    o pkg/kpp: added saltplume diagnostics
460    o pkg/obcs and pkg/seaice:
461      - do not set uice and vice to zero when OB*icefile are unspecified
462      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
463      - moved seaice tracer obcs after call to seaice_growth
464    o pkg/salt_plume: added various options for salt plume depth
465      criterion and for vertical distribution of the salt
466    
467    checkpoint59l
468    o pkg/ptracers: new version of ptracers pickup:
469      read meta file and write only fields which are needed to restart.
470      ( same logic as main pickup file ; also using pickupStrictlyMatch )
471    o pkg/seaice:
472      - add timescale for melting due to warm mixed layer as a means of
473        setting SEAICE_availHeatFrac more conveniently
474      - add a CPP-flag/runtime parameter check for flooding algorithm
475      - reformulated availHeat in seaice_growth.F to be independent of AREA
476    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
477      unit changes
478    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
479    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
480      SX vector computer.
481    o pkg/seaice:
482      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
483        seaice forcing fields can now be read only through pkg/exf
484      - removed some unused halos
485    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
486    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
487      or U/VICE from U/VWIND before computing U/VSTRESS
488    
489    checkpoint59k
490    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
491      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
492    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
493      all experiments pass when compile with un-initialised var. checking option.
494    o added pkg/salt_plume
495    o script to test restart (for now, in MITgcm_contrib/jmc_script)
496    o pkg/seaice: new read/write pickup version.
497      read meta file and write only fields which are needed to restart.
498      ( same logic as main pickup file ; also using pickupStrictlyMatch )
499    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
500    o lab_sea.hb87: modify the domain & update output.hb87.txt :
501      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
502      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
503      process. Fixed here by closing the domain at the Northern boundary.
504    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
505    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
506      a set of consecutive levels in/from a 3-D array.
507    o pkg/ptracers:
508      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
509      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
510    
511    checkpoint59j
512    o in pkgs: dic, obcs, offline, rbcs:
513      standard way to compute coeff. for time interpolation between 2 time reccords
514      which retains full precision (& make results less dependent on compiler).
515      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
516    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
517      packages instead of reading ice cover and wind speed separately
518    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
519     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
520      to allow to compile customized code before the update)
521    o cleaning-up:
522      - fix CPP instruction syntax in pkg/obcs
523      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
524        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
525      - fix some threads issue in IO parts.
526    o pkg/dic:
527      - add tons of "_d 0" (--> much better testreports !)
528       and then update outputs of tutorial_global_oce_biogeo
529    o pkg/mom_fluxform:
530      add a special version of momentum advection intended to conserve momentum
531      next to a bathymetry step or a coastline edge. (default = off = #undef)
532    o new read/write pickup version:
533      - for now, only implemented for main (mdsio) pickup file.
534      - write out only what is needed to restart; merge pickup_nh , pickup_ph
535        and main pickup together.
536      - read meta file; read only what is needed to restart; stop if a field
537        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
538        if it make sense (even if the restart is not perfect).
539      - if no meta file, assume that pickup to read corresponds exactly to
540        a pickup that would currently be written.
541      - read pickup written in the old format (until checkpoint59i) if it
542        recognizes an old meta file (no field-list).
543      - add a meta file in exp. which starts from a pickup: 2 cases:
544        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
545         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
546        b) a meta file describing the content of the associated pickup file
547         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
548    o pkg/mdsio & pkg/rw:
549      - new routine to read a meta file ; new set of routine to read
550        Multiple-fields file (with meta file).
551    o added open boundary conditions capability for seaice
552        HSNOW, HSALT, UICE, and VICE
553    
554    checkpoint59i
555    o adjoint:
556      * fix multiDimAdvection adjoint
557        (partial recomputation problem by TAF for fVerT(:,:,kDown)
558        and comlev1 size definition (maxpass vs. max. number of tracers)
559      * verification/global_ocean.90x45x15 adjoint now tests
560        NLFS and multiDimAdvection using DST3 (=30)
561      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
562    o pkg/kpp: add "_d 0" to real constant (if missing);
563      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
564      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
565    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
566      for internal parameters related to restart process (formerly from PARAMS.h)
567      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
568    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
569      as argument. (only atm2d & obcs write_pickup have not yet been updated)
570    o pkg/monitor:
571      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
572      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
573      - account for deep Atmosphere factor and density factor (anelastic)
574    o added open boundary conditions capability for seaice HEFF and AREA
575    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
576      thermodynamics
577      - requires a little reorganization, which affects the testreport results
578        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
579        so that now the conservative form is tested
580      - add a few comments
581    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
582    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
583    o add new diagnostics to seaice: advective, diffusive fluxes (only for
584      multidim-advection, for scheme 2 they are not filled) and transports,
585      thermodynamic growth rates
586    o change units of EmPmR (inside the code, + within coupling interface)
587      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
588      Affects results @ truncation level (cg2d match) and update output of
589       experiments: lab_sea(6), global_ocean.90x40x15(10),
590      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
591      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
592      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
593      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
594    
595    checkpoint59h
596    o pkg/exf:
597      - improve vectorization by moving if-statement out of loops in
598        exf_mapfields, exf_radiation
599      - exf_bulkformulae.F: introduce 2D fields and vectorize code
600    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
601    o testreport:
602      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
603        monitor & update offline_exf_seaice exp. output.
604      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
605    o pkg/seaice:
606      - bug fix in the evp solver: boundary conditions were affected be
607        masking of zMax/zMin (changes results)
608      - minor bug fix in boundary conditions in seaice_calc_strainrates
609        (changes results for no_slip)
610      - seaice_lsr.F: make interpolation of eta dependent on boundaries
611      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
612      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
613        stress formulation and no-slip boundary conditions
614    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
615      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
616    o pkg/seaice: a first HSALT time stepping equation has been checked in
617    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
618      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
619      without requiring DO-IF statements
620    o pkg/thsice:
621      use continuous power-law function for partition of energy between lateral
622      melting/freezing and thinning/thickening ; old code using step function
623      still available with #undef THSICE_FRACEN_POWERLAW
624      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
625    o testreport: change AD testing : check against results/output_adm.txt
626      using same scripts as for forward test.
627    
628    checkpoint59g
629    o adjoint testing: in preparation for changing testreport:
630      - output format: cost and grad written on separated lines
631      - ad output results in directory "results" (instead of "results_ad")
632  o pkg/seaice: adding ice salinity HSALT as a prognostic variable  o pkg/seaice: adding ice salinity HSALT as a prognostic variable
633  o pkg/seaice: changes for using pkg/seaice with pkg/obcs  o pkg/seaice: changes for using pkg/seaice with pkg/obcs
634  o pkg/ecco: allow user defined cost function contributions  o pkg/ecco: allow user defined cost function contributions
# Line 11  o testreport: Line 636  o testreport:
636    Allow to choose (per experiment) the list of tested output variables    Allow to choose (per experiment) the list of tested output variables
637     and the main variable (used to issue a pass/FAIL ) ;     and the main variable (used to issue a pass/FAIL ) ;
638    - for now, done by adding the specific list in file: [exp]/input/tr_checklist    - for now, done by adding the specific list in file: [exp]/input/tr_checklist
639    - default is unchange: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;    - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
640    Also modify printing of summary:    Also modify printing of summary:
641     a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)     a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
642     b) echo the list of tested variables in the individual summary.txt of     b) echo the list of tested variables in the individual summary.txt of
# Line 274  o in FFIELDS.h: Line 899  o in FFIELDS.h:
899       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
900  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
901  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
902      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
903        are no longer updating the vertical diffusivity array
904        (passed as argument) but are (re-) setting those arrays.
905  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
906    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
907      cgrid-lsr and evp solver      cgrid-lsr and evp solver
# Line 1756  o add two new packages Line 2383  o add two new packages
2383    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2384    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2385      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2386      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2387  o add offline package  o add offline package
2388  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2389    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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