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revision 1.909 by jmc, Tue Nov 13 22:20:29 2007 UTC revision 1.1080 by mlosch, Thu Mar 19 11:45:36 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/seaice:
8      Major overhaul of the LSOR solver: change discretization from original
9      finite differences to finite volume. The old routine is still in the
10      file seaice_lsr.F and can be turned on with the CPP-flag
11      SEAICE_OLD_AND_BAD_DISCRETIZATION
12      Along with this change, the discretization of the strain rates is changed.
13      The same flag turns on the old discretization in seaice_calc_strainrates.F
14      All verification experiments with seaice are affected (except for
15      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
16      results by setting the above flag.
17      Further changes involve changes in defaults:
18      - ALLOW_FLOODING is defined and turned on by default
19      - SEAICE_advSnow = .true. is now the default
20      - SEAICE_advSalt = .true. is now the default
21      - SEAICE_advAge  = .true. is now the default
22      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
23        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
24      - seaice_growth: replace computation of UG by a simple copy from wspeed
25    
26    checkpoint61k
27    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
28      seaice_lsr: fixed a few metric terms,
29                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
30                  add more debugging diagnostics
31      seaice_evp: removed superfluous many metric terms of FV discretization
32                  of stress divergence
33                  affects lab_sea, lab_sea.hb87
34      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
35                  of stress divergence for non-evp solver
36                  (this part is not tested anywhere)
37      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
38                  they were effectively only half slip
39                  affects lab_sea.hb87
40      updated all relevant verification experiments
41    
42    checkpoint61j
43    o pkg/seaice: turn a few hard wired parameters into run time parameters
44    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
45      time in seconds as promised by the usints in seaice_monitor and exf_monitor
46    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
47      that are not cubed-sphere grids
48    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
49    o pkg/ctrl:
50      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
51    o non-hydrostatic (calc_gw.F):
52      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
53      update output of exp. global_ocean.cs32x15.viscA4
54    o remove backward compatibility for thetaMin,phiMin
55      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
56    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
57      interpolated wind field not only for curvilineargrid=.true., but also
58      for a rotated grid (rotateGrid=.true.)
59    o pkg/exf: add capability to bypass interpolation for runoff
60      by setting yet another CPP-flag
61    o eesupp/src, B-grid exchange:
62      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
63    o autodiff
64      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
65      allows to switch to single-prec common blocks;
66      corresponding switch occurs in tamc.h, integer isbyte
67      TAF store directivs "byte" and "kind" seem equivalent;
68      Most tamc.h have been updated correspondingly.
69    
70    checkpoint61i
71    o autodiff:
72      fix autodiff_sore/_restore indices for obcs
73      (spotted by I. Hoteit, M. Mazloff)
74    o pkg/autodiff, pkg/ctrl:
75      Add flag to reduce all tapelev I/O to single-prec.
76      In data.ctrl set
77        doSinglePrecTapelev = .TRUE.
78    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
79      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
80    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
81      real fresh water flux (not yet)
82    o pkg/mdsio & rw:
83     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
84     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
85    o pkg/flt:
86     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
87       init_fixed & ini_varia.
88     - clean-up & simplify linear interpolation S/R:
89       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
90     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
91     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
92     - add vert. coordinate & horiz. indices to output files.
93     - change vertical position in initial condition, from index to depth [m].
94     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
95       (easier to get to a curvilinear grid) ; delX,delY no longer used.
96    o pkg/ggl90: a few modifications:
97     - fix bottom boundary condition, and interpolation of KappaE
98       near top and bottom
99     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
100     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
101     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
102    o rename thetaMin,phiMin -> xgOrigin,ygOrigin
103      (maintain temporary backward compatibility, until next checkpoint)
104    
105    checkpoint61h
106    o pkg/diagnostics with "periodic averaging diagnostics":
107      fix S/R DIAGNOSTICS_COUNT ; hack diagnostics_out.F to get NetCDF output.
108    o pkg/my82: add missing "_d 0" ; update output of exp. vermix.my82
109    o pkg/obcs: fix loop ranges for balancing code
110    o pkg/flt:
111     - improve criteria for finding which tile owns a float.
112     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
113    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
114      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
115      with ocean biogeo)
116    o pkg/flt:
117     - do some cleaning and fix the restart ;
118     - add output.txt in flt_example/results to get this pkg tested.
119    o genmake2: add an EXTENDED_SRC option and flag.
120       for now, cannot be turned on on command line (only through genmake_local)
121    o pkg/mdsio: read/write vector:
122     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
123     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
124       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
125     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
126      (drop to 4 digits matching for grad). But this test does not look very
127      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
128    
129    checkpoint61g
130    o pkg/flt:
131      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
132       + make OPTIONS file more standard.
133      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
134      - fix _BYTESWAPIO CPP-Flag
135      - standard reading of file-parameter "data.flt"
136      - fix argument list of S/R FLT_RESTART
137      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
138    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
139    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
140      a still unfixed compiler/optimization bug
141    
142    checkpoint61f
143    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
144      update results of global_ocean.cs32x15.icedyn test.
145    o move getcon.F from model/src to pkg/fizhi.
146    o pkg/exf: add parameter for extrapolation of temp up to the surface
147       and option to prevent negative evap (in bulk_largeyeager04 only).
148    o Prather Advection scheme: fix tracer conservation for divergent flow
149      (e.g., when using NonLin Free-Surface).
150    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
151    o gmredi (Visbeck-variable-K):
152     - add more parameters to Visbeck-variable-K.
153     - use a 5 points average for dSigmaR in Visbeck-K calculation
154       (more "homogenous": same stencil and same weights as in dSigmaH)
155     - update output of ideal_2D_oce experiment.
156    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
157      (#undef REAL4_IS_SLOW)
158     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
159       coordinate variable
160     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
161       (surface forcing fields), removes some of the functionality
162     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
163     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
164       probably not all: copy _RS surface flux fields to RL field before
165       calling DIAGNOSTICS_FILL
166     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
167       real*4 (CALL EXCH_*_RS) versions.
168     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
169       (generate new output).
170    
171    checkpoint61e
172    o gmredi (Visbeck-variable-K):
173      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
174      - change computation of Visbeck-K where Slope > Smax :        
175        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
176        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
177    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
178      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
179    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
180    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
181      does not become too large (to avoid precision problems in implicit-diffusion
182      solver); update ideal_2D_oce output.
183    o pkg ggl90:
184      - in ggl90_cal.F: compute only one set of visc/diff, used to
185        step forward TKE/T/S/momentum
186      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
187        have Prandlt =1)
188    o gmredi (fm07):
189      - add lower limit on Transition layer thickness + lower limit on 1/lambda
190      - allow to set few more params from data.gmredi
191    o pkg ggl90:
192          - add missing sqrt(2) factor in computation of mixing length
193            scale in ggl90_calc.F
194            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
195    
196    checkpoint61d
197    o adjoint modifs
198      - adapt to new field rhoInSitu
199      - allow to revert from StoreDynVars2D, StoreDynVars3D
200        to individual fields
201        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
202    o store 3-D (in-situ) density in commom block (DYNVARS.h)
203     - save 1 rho computation.
204     - no longer modify T & S inland when using down_slope pkg.
205    o gad_som : allow to switch to SOM advection for T & S without corresponding
206      pickup files (using new S/R: MDS_CHECK4FILE).
207    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
208      (for useSingleCpuIO to work in multi-threaded)
209    o pkg/shelfice:
210     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
211       with SHELFICEtopoFile in data.shelfice
212     - move code for reading ice shelf topography and modifying hFacC into separate
213       subroutines of the shelfice package
214     - separate initialisation of "fixed" and "variable" variables
215     - kTopC is not (yet) replaced by kSurfC, although this is possible
216    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
217    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
218      and rename:
219      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
220      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
221    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
222    
223    checkpoint61c
224    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
225      to add mass source/sink of fluid in the interior (3-D generalisation
226      of oceanic real-fresh water flux).
227    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
228    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
229    o new pkg: down_slope
230      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
231      - presently, modify T & S inland (dwnslp_calc_rho.F).
232        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
233      - implementation for ocean in P-coords not tested.
234      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
235    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
236      (to facilitate conversion of oceanic pkg to p-coordinate).
237    o change FIND_RHO to FIND_RHO_2D :
238      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
239    o new pkg: cheapaml
240    
241    checkpoint61b
242    o exch2:
243      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
244      - no longer depend on the order sequence (N,S,E,W).
245      - 3rd exchange no longer needed (tested with 24 tiles).
246      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
247      - exch_UV_A-grid readily available (but not yet tested).
248      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
249      (both are no longer needed) in exch_uv: no effect in forward run; but
250       get truncation error differences with adjoint exch.
251    o exch2:
252     - change index-bounds storage (moved from target to local tile,
253       more intuitive this way) ; rename/remove some variables.
254     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
255    
256    checkpoint61a
257    o exch2/matlab-topology-generator:
258      fix bug in index bounds for N-S internal exchange (hard to tell if this
259      had any effect on the solution).
260    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
261      is exceeded
262    o testreport: modify syntax of awk, so that it works also with
263      awk, and not only with nawk and gawk
264    
265    checkpoint61
266    o autodiff
267      Change default for TAF usage by removing argument '-nonew_arg'
268      This changes TAF subroutine argument list (ordering of active var.)
269      Omission of this flag leads to incompatibility w.r.t. TAMC
270      To restore TAMC-compatibility, need following modifs:
271      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
272      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
273      Tested TAF version is 1.9.22
274      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
275    
276    checkpoint60
277    --->>> This is the last checkpoint for which generating the adjoint
278    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
279    --->>> by default.
280    --->>> Future checkpoints will ommit this flag by default.
281    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
282    o pkg/grdchk: Add gradient check to etan0 perturbations.
283    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
284    o pkg/autodiff: more flexibility in zeroadj.
285      model/src: modifying do_oceanic_phys.F accordingly.
286    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
287    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
288      special setup of gmredi for which the adjoint is stable
289      enough for parameter optimization.
290    o bridging the gap between eddy stress and GM.
291      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
292          along with a change in CPP option (now ALLOW_EDDYPSI).
293      -> when using GM w/ GM_AdvForm:
294          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
295          is applied either in the tracer Eq. or in momentum Eq.
296          depending on data.gmredi (intro. GM_InMomAsStress).
297      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
298      The key modifications are in model/src/taueddy_external_forcing.F
299      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
300    
301    checkpoint59r
302    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
303      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
304      fix option to read coriolis(@ cell-corner) from files with CS-grid.
305    o pkg/mnc: add some attributes to standard 1D-coordinate variables
306    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
307      mass points, when using mnc for output
308      - add runtime parameter (missing_value, missing_value_int) to override
309        default (which is the value of getcon('UNDEF'))
310    o pkg/mnc: prepare mnc for the actual use of missing values with the
311      diagnostics package: small fix in mnc_cw_readwrite.template and more
312      initialisation of never used fields
313      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
314      versions
315    o pkg/thsice/thsice_ini_vars.F added default initial values so that
316      thermodynamics sea ice solver does not blow up when some initial fields
317      are missing.
318    o move from external_forcing_surf.F to ini_forcing.F
319      the p-coord. hack consisting in using pLoad to set phi0surf ;
320      update output of tutorial_global_oce_in_p (affected @ truncation level).
321    o Freshen up a bit hs94.1x64x5, notably:
322      remove rotationPeriod and tRef=5*0. (adjoint only), and add
323      exactConserv=.TRUE.
324    o pkg/generic_advdiff:
325      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
326      applies to files where Temperature & Salinity 2nd Order moments are used.
327    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
328      this uses a dynamically allocated internal state data structure
329      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
330      and requires a fortran 90 compiler
331    
332    checkpoint59q
333    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
334       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
335    o Refresh tutorial_global_oce_biogeo, notably:
336      - change bathymetry (put back seamounts in ACC, use hFacs)
337      - change EOS (POLY3 --> JMD95Z)
338      - use Bryan-Lewis vertical diffusivity
339      - use multidimensional advection
340      - remove old virtual virtual in dic pkg, now done through ptracer pkg
341      - change a couple of parameters in dic pkg
342    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
343    o pkg/obcs: change default to OBCSfixTopo = .true.,
344      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
345      - replace "debugMode" with "debugLevel .GE. debLevB"
346    o implementation of TAF directives for gchem,cfc,dic
347    o remove "exp5" (replaced by tutorial_deep_convection).
348    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
349      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
350      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
351      --> changes results in exp4, seaice_obcs
352    o tutorial_deep_convection :
353      update the set-up and increase resolution and domain size ; start
354      from pseudo initial conditions = output at t=120mn in order to see
355      something happening when running testreport.
356    o pkg/seaice: add os7mp as an advection scheme
357                  add check for advection schemes
358                  add a flag for restoring T and S underneath sea ice
359    o pkg/my82: add netcdf-support and diagnostics
360    o thsice pkg:
361      - Now hsMax limits snow height by turning it into ice following
362        flooding scheme (and now conserving energy)
363      - Slight rewriting of the formula in thsice_calc_thick.F
364      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
365      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
366    
367    checkpoint59p
368    o gchem / dic / cfc :
369      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
370      - add new parameter files: "data.dic" & "data.cfc" ;
371      - various re-arrangement in initialisation & header file ;
372      - fix tutorial_global_oce_biogeo for multi-threaded test.
373    o pkg/dic: test for "pickup_dic" file when restarting ;
374      if no pickup-file, can restart with a re-initialised pH (same as it did
375      before) providing pickupStrictlyMatch is set to False.
376    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
377      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
378    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
379      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
380    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
381     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
382       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
383    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
384       scheme to use for vorticty-term ;
385     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
386       (with default selectVortScheme, return to original discretisation)
387     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
388    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
389    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
390      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
391      also fix diagnostics VISCAHW & VISCA4W.
392    
393    checkpoint59o
394    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
395    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
396      move a few statemens out the main loop into separate loops
397    o pkg/shelfice:
398      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
399        (kg/m^2/s), does not break tests, because in verification/isomip,
400        rhoConstFresh=rhoConst (by accident)
401      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
402      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
403        new file model/src/seawater.F, so that they are available for all pkgs.
404      - convert potential temperature into in-situ temperature. This changes the
405        isomip tests => update tests
406    o add a flag writePickupAtEnd (default=true) to be able to suppress
407      writing a pickup at the last timestep
408    o tools/mpack-1.6 :
409      - disable automake (not working) and autoconf (not needed).
410      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
411        also cleaner with much less compilation warnings.
412    o pkg/profiles:
413      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
414      (for "less than 32 characters name" compiler requirement)
415    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
416      conditions that have a different sampling frequency than S/T/U/V obcs
417    o pkg/diagnostics (stats-diags):
418      - fix global Min/Max in case 1 processor get only empty tiles
419    o genmake2: replace (4 times)
420         make genmake_tc_1.o >> genmake_warnings 2>&1
421      with
422         COMM="$CC $CFLAGS -c genmake_tc_1.c"
423         echo $COMM >> genmake_warnings
424         $COMM >> genmake_warnings 2>&1
425      to make genmake2 always see the value of CC as specified in the optfile.
426    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
427      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
428      - modify verification advect_cs test to test SOM-advection on CS-grid.
429    o pkg/ctrl:
430      - Rewrite of ctrl_map_ini_ecco.F,
431        introducing a generic routine (ctrl_map_ini_gen.F).
432      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
433    
434    checkpoint59n
435    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
436      number in dedicate array "hdiag":
437      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
438        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
439      - many small changes (integer format) for large number of diagnostics
440      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
441        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
442    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
443      usingSphericalGrid, this allows to define the rotated grid coordinates
444      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
445      geographical coordinates according to the inverse of the rotation defined
446      by the Euler angles, so that Coriolis parameter and online-interpolation by
447      exf works with the geographical coordinates on XC/YC/XG/YG.
448      Naturally, this feature does not work with all packages, so some
449      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
450      profiles), because there the coordinates are assumed to be regular
451      spherical grid coordinates.
452    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
453      - introduce isopycnal diffusion coefficient control.
454    o tools/adjoint_options:
455      - additional control vector components.
456    o pkg/mnc: have mnc create marginally meaning full coordinate variables
457      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
458    o pkg/mypackage:
459      - add example of read/write pickup for state-var ;
460      - add entry points to the main code for state-vars diags & write-pickup.
461    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
462      transitions for useExfYearlyFields
463      - add new subroutine that determines the file to read from for
464        use*YearlyFields = .TRUE. and .FALSE.
465      - add a verification experiment to global_with_exf that tests
466        useExfYearlyFields with USE_EXF_INTERPOLATION defined
467    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
468      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
469      subroutines (which could be generated from a template, because they are
470      almost identical), for now they are included in obcs_prescribe_read.F for
471      simplicity
472    o pkg/exf:
473      - add a little more diagnostic to exf_interp_read (in analogy to
474        mds_read_field, can be turned off with debugLevel < debugLevA=1)
475      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
476        ugly but fast by unrolling short inner loops, inserting a unroll=8
477        directive in routine lagran, and splitting a loop and making do while the
478        outermost loop (the latter requires the intoduction of index arrays)
479    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
480    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
481      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
482    o verification/seaice_obcs: updated for restart test and latest options
483    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
484      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
485      for now this is only available for the C-grid code and also within
486      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
487    
488    checkpoint59m
489    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
490      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
491    o gad_som : fix flux output (& diagnostics) to have same units as other  
492      advection scheme fluxes (was previously multiplied by deltaT).  
493    o added verification/seaice_obcs both to test seaice open boundaries
494      and to provide an example matlab scrpt for generating them
495    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
496    o pkg/salt_plume: clean up salt_plume_frac.F to
497      remove redundancy in PlumeMethod 1 and 4
498    o pkg/kpp: added saltplume diagnostics
499    o pkg/obcs and pkg/seaice:
500      - do not set uice and vice to zero when OB*icefile are unspecified
501      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
502      - moved seaice tracer obcs after call to seaice_growth
503    o pkg/salt_plume: added various options for salt plume depth
504      criterion and for vertical distribution of the salt
505    
506    checkpoint59l
507    o pkg/ptracers: new version of ptracers pickup:
508      read meta file and write only fields which are needed to restart.
509      ( same logic as main pickup file ; also using pickupStrictlyMatch )
510    o pkg/seaice:
511      - add timescale for melting due to warm mixed layer as a means of
512        setting SEAICE_availHeatFrac more conveniently
513      - add a CPP-flag/runtime parameter check for flooding algorithm
514      - reformulated availHeat in seaice_growth.F to be independent of AREA
515    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
516      unit changes
517    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
518    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
519      SX vector computer.
520    o pkg/seaice:
521      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
522        seaice forcing fields can now be read only through pkg/exf
523      - removed some unused halos
524    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
525    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
526      or U/VICE from U/VWIND before computing U/VSTRESS
527    
528    checkpoint59k
529    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
530      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
531    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
532      all experiments pass when compile with un-initialised var. checking option.
533    o added pkg/salt_plume
534    o script to test restart (for now, in MITgcm_contrib/jmc_script)
535    o pkg/seaice: new read/write pickup version.
536      read meta file and write only fields which are needed to restart.
537      ( same logic as main pickup file ; also using pickupStrictlyMatch )
538    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
539  o lab_sea.hb87: modify the domain & update output.hb87.txt :  o lab_sea.hb87: modify the domain & update output.hb87.txt :
540    lat-long grid & no-slip BC in seaice-dynamics produce different sigma12    lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
541    at j=1 & j=Ny+1 : this case is not treated correctly in the restart    at j=1 & j=Ny+1 : this case is not treated correctly in the restart
# Line 1890  o add two new packages Line 2422  o add two new packages
2422    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2423    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2424      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2425      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2426  o add offline package  o add offline package
2427  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2428    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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