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revision 1.837 by mlosch, Sun Jun 17 09:22:06 2007 UTC revision 1.1051 by jmc, Fri Jan 9 21:58:08 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/flt:
8     - improve criteria for finding which tile owns a float.
9     - fix FLT_EXCH for case without MPI ; apply cyclic BC + fix also the MPI case.
10    o Add well-mixed CO2 box in aim_v23 (which includes changes in pkg
11      aim_compon_interf, ocn_compon_interf, gchem, and dic to get coupling
12      with ocean biogeo)
13    o pkg/flt:
14     - do some cleaning and fix the restart ;
15     - add output.txt in flt_example/results to get this pkg tested.
16    o genmake2: add an EXTENDED_SRC option and flag.
17       for now, cannot be turned on on command line (only through genmake_local)
18    o pkg/mdsio: read/write vector:
19     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
20     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
21       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
22     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
23      (drop to 4 digits matching for grad). But this test does not look very
24      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
25    
26    checkpoint61g
27    o pkg/flt:
28      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
29       + make OPTIONS file more standard.
30      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
31      - fix _BYTESWAPIO CPP-Flag
32      - standard reading of file-parameter "data.flt"
33      - fix argument list of S/R FLT_RESTART
34      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
35    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
36    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
37      a still unfixed compiler/optimization bug
38    
39    checkpoint61f
40    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
41      update results of global_ocean.cs32x15.icedyn test.
42    o move getcon.F from model/src to pkg/fizhi.
43    o pkg/exf: add parameter for extrapolation of temp up to the surface
44       and option to prevent negative evap (in bulk_largeyeager04 only).
45    o Prather Advection scheme: fix tracer conservation for divergent flow
46      (e.g., when using NonLin Free-Surface).
47    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
48    o gmredi (Visbeck-variable-K):
49     - add more parameters to Visbeck-variable-K.
50     - use a 5 points average for dSigmaR in Visbeck-K calculation
51       (more "homogenous": same stencil and same weights as in dSigmaH)
52     - update output of ideal_2D_oce experiment.
53    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
54      (#undef REAL4_IS_SLOW)
55     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
56       coordinate variable
57     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
58       (surface forcing fields), removes some of the functionality
59     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
60     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
61       probably not all: copy _RS surface flux fields to RL field before
62       calling DIAGNOSTICS_FILL
63     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
64       real*4 (CALL EXCH_*_RS) versions.
65     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
66       (generate new output).
67    
68    checkpoint61e
69    o gmredi (Visbeck-variable-K):
70      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
71      - change computation of Visbeck-K where Slope > Smax :        
72        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
73        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
74    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
75      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
76    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
77    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
78      does not become too large (to avoid precision problems in implicit-diffusion
79      solver); update ideal_2D_oce output.
80    o pkg ggl90:
81      - in ggl90_cal.F: compute only one set of visc/diff, used to
82        step forward TKE/T/S/momentum
83      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
84        have Prandlt =1)
85    o gmredi (fm07):
86      - add lower limit on Transition layer thickness + lower limit on 1/lambda
87      - allow to set few more params from data.gmredi
88    o pkg ggl90:
89          - add missing sqrt(2) factor in computation of mixing length
90            scale in ggl90_calc.F
91            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
92    
93    checkpoint61d
94    o adjoint modifs
95      - adapt to new field rhoInSitu
96      - allow to revert from StoreDynVars2D, StoreDynVars3D
97        to individual fields
98        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
99    o store 3-D (in-situ) density in commom block (DYNVARS.h)
100     - save 1 rho computation.
101     - no longer modify T & S inland when using down_slope pkg.
102    o gad_som : allow to switch to SOM advection for T & S without corresponding
103      pickup files (using new S/R: MDS_CHECK4FILE).
104    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
105      (for useSingleCpuIO to work in multi-threaded)
106    o pkg/shelfice:
107     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
108       with SHELFICEtopoFile in data.shelfice
109     - move code for reading ice shelf topography and modifying hFacC into separate
110       subroutines of the shelfice package
111     - separate initialisation of "fixed" and "variable" variables
112     - kTopC is not (yet) replaced by kSurfC, although this is possible
113    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
114    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
115      and rename:
116      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
117      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
118    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
119    
120    checkpoint61c
121    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
122      to add mass source/sink of fluid in the interior (3-D generalisation
123      of oceanic real-fresh water flux).
124    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
125    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
126    o new pkg: down_slope
127      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
128      - presently, modify T & S inland (dwnslp_calc_rho.F).
129        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
130      - implementation for ocean in P-coords not tested.
131      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
132    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
133      (to facilitate conversion of oceanic pkg to p-coordinate).
134    o change FIND_RHO to FIND_RHO_2D :
135      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
136    o new pkg: cheapaml
137    
138    checkpoint61b
139    o exch2:
140      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
141      - no longer depend on the order sequence (N,S,E,W).
142      - 3rd exchange no longer needed (tested with 24 tiles).
143      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
144      - exch_UV_A-grid readily available (but not yet tested).
145      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
146      (both are no longer needed) in exch_uv: no effect in forward run; but
147       get truncation error differences with adjoint exch.
148    o exch2:
149     - change index-bounds storage (moved from target to local tile,
150       more intuitive this way) ; rename/remove some variables.
151     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
152    
153    checkpoint61a
154    o exch2/matlab-topology-generator:
155      fix bug in index bounds for N-S internal exchange (hard to tell if this
156      had any effect on the solution).
157    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
158      is exceeded
159    o testreport: modify syntax of awk, so that it works also with
160      awk, and not only with nawk and gawk
161    
162    checkpoint61
163    o autodiff
164      Change default for TAF usage by removing argument '-nonew_arg'
165      This changes TAF subroutine argument list (ordering of active var.)
166      Omission of this flag leads to incompatibility w.r.t. TAMC
167      To restore TAMC-compatibility, need following modifs:
168      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
169      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
170      Tested TAF version is 1.9.22
171      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
172    
173    checkpoint60
174    --->>> This is the last checkpoint for which generating the adjoint
175    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
176    --->>> by default.
177    --->>> Future checkpoints will ommit this flag by default.
178    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
179    o pkg/grdchk: Add gradient check to etan0 perturbations.
180    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
181    o pkg/autodiff: more flexibility in zeroadj.
182      model/src: modifying do_oceanic_phys.F accordingly.
183    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
184    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
185      special setup of gmredi for which the adjoint is stable
186      enough for parameter optimization.
187    o bridging the gap between eddy stress and GM.
188      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
189          along with a change in CPP option (now ALLOW_EDDYPSI).
190      -> when using GM w/ GM_AdvForm:
191          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
192          is applied either in the tracer Eq. or in momentum Eq.
193          depending on data.gmredi (intro. GM_InMomAsStress).
194      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
195      The key modifications are in model/src/taueddy_external_forcing.F
196      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
197    
198    checkpoint59r
199    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
200      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
201      fix option to read coriolis(@ cell-corner) from files with CS-grid.
202    o pkg/mnc: add some attributes to standard 1D-coordinate variables
203    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
204      mass points, when using mnc for output
205      - add runtime parameter (missing_value, missing_value_int) to override
206        default (which is the value of getcon('UNDEF'))
207    o pkg/mnc: prepare mnc for the actual use of missing values with the
208      diagnostics package: small fix in mnc_cw_readwrite.template and more
209      initialisation of never used fields
210      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
211      versions
212    o pkg/thsice/thsice_ini_vars.F added default initial values so that
213      thermodynamics sea ice solver does not blow up when some initial fields
214      are missing.
215    o move from external_forcing_surf.F to ini_forcing.F
216      the p-coord. hack consisting in using pLoad to set phi0surf ;
217      update output of tutorial_global_oce_in_p (affected @ truncation level).
218    o Freshen up a bit hs94.1x64x5, notably:
219      remove rotationPeriod and tRef=5*0. (adjoint only), and add
220      exactConserv=.TRUE.
221    o pkg/generic_advdiff:
222      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
223      applies to files where Temperature & Salinity 2nd Order moments are used.
224    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
225      this uses a dynamically allocated internal state data structure
226      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
227      and requires a fortran 90 compiler
228    
229    checkpoint59q
230    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
231       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
232    o Refresh tutorial_global_oce_biogeo, notably:
233      - change bathymetry (put back seamounts in ACC, use hFacs)
234      - change EOS (POLY3 --> JMD95Z)
235      - use Bryan-Lewis vertical diffusivity
236      - use multidimensional advection
237      - remove old virtual virtual in dic pkg, now done through ptracer pkg
238      - change a couple of parameters in dic pkg
239    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
240    o pkg/obcs: change default to OBCSfixTopo = .true.,
241      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
242      - replace "debugMode" with "debugLevel .GE. debLevB"
243    o implementation of TAF directives for gchem,cfc,dic
244    o remove "exp5" (replaced by tutorial_deep_convection).
245    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
246      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
247      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
248      --> changes results in exp4, seaice_obcs
249    o tutorial_deep_convection :
250      update the set-up and increase resolution and domain size ; start
251      from pseudo initial conditions = output at t=120mn in order to see
252      something happening when running testreport.
253    o pkg/seaice: add os7mp as an advection scheme
254                  add check for advection schemes
255                  add a flag for restoring T and S underneath sea ice
256    o pkg/my82: add netcdf-support and diagnostics
257    o thsice pkg:
258      - Now hsMax limits snow height by turning it into ice following
259        flooding scheme (and now conserving energy)
260      - Slight rewriting of the formula in thsice_calc_thick.F
261      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
262      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
263    
264    checkpoint59p
265    o gchem / dic / cfc :
266      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
267      - add new parameter files: "data.dic" & "data.cfc" ;
268      - various re-arrangement in initialisation & header file ;
269      - fix tutorial_global_oce_biogeo for multi-threaded test.
270    o pkg/dic: test for "pickup_dic" file when restarting ;
271      if no pickup-file, can restart with a re-initialised pH (same as it did
272      before) providing pickupStrictlyMatch is set to False.
273    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
274      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
275    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
276      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
277    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
278     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
279       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
280    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
281       scheme to use for vorticty-term ;
282     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
283       (with default selectVortScheme, return to original discretisation)
284     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
285    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
286    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
287      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
288      also fix diagnostics VISCAHW & VISCA4W.
289    
290    checkpoint59o
291    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
292    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
293      move a few statemens out the main loop into separate loops
294    o pkg/shelfice:
295      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
296        (kg/m^2/s), does not break tests, because in verification/isomip,
297        rhoConstFresh=rhoConst (by accident)
298      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
299      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
300        new file model/src/seawater.F, so that they are available for all pkgs.
301      - convert potential temperature into in-situ temperature. This changes the
302        isomip tests => update tests
303    o add a flag writePickupAtEnd (default=true) to be able to suppress
304      writing a pickup at the last timestep
305    o tools/mpack-1.6 :
306      - disable automake (not working) and autoconf (not needed).
307      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
308        also cleaner with much less compilation warnings.
309    o pkg/profiles:
310      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
311      (for "less than 32 characters name" compiler requirement)
312    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
313      conditions that have a different sampling frequency than S/T/U/V obcs
314    o pkg/diagnostics (stats-diags):
315      - fix global Min/Max in case 1 processor get only empty tiles
316    o genmake2: replace (4 times)
317         make genmake_tc_1.o >> genmake_warnings 2>&1
318      with
319         COMM="$CC $CFLAGS -c genmake_tc_1.c"
320         echo $COMM >> genmake_warnings
321         $COMM >> genmake_warnings 2>&1
322      to make genmake2 always see the value of CC as specified in the optfile.
323    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
324      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
325      - modify verification advect_cs test to test SOM-advection on CS-grid.
326    o pkg/ctrl:
327      - Rewrite of ctrl_map_ini_ecco.F,
328        introducing a generic routine (ctrl_map_ini_gen.F).
329      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
330    
331    checkpoint59n
332    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
333      number in dedicate array "hdiag":
334      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
335        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
336      - many small changes (integer format) for large number of diagnostics
337      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
338        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
339    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
340      usingSphericalGrid, this allows to define the rotated grid coordinates
341      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
342      geographical coordinates according to the inverse of the rotation defined
343      by the Euler angles, so that Coriolis parameter and online-interpolation by
344      exf works with the geographical coordinates on XC/YC/XG/YG.
345      Naturally, this feature does not work with all packages, so some
346      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
347      profiles), because there the coordinates are assumed to be regular
348      spherical grid coordinates.
349    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
350      - introduce isopycnal diffusion coefficient control.
351    o tools/adjoint_options:
352      - additional control vector components.
353    o pkg/mnc: have mnc create marginally meaning full coordinate variables
354      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
355    o pkg/mypackage:
356      - add example of read/write pickup for state-var ;
357      - add entry points to the main code for state-vars diags & write-pickup.
358    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
359      transitions for useExfYearlyFields
360      - add new subroutine that determines the file to read from for
361        use*YearlyFields = .TRUE. and .FALSE.
362      - add a verification experiment to global_with_exf that tests
363        useExfYearlyFields with USE_EXF_INTERPOLATION defined
364    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
365      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
366      subroutines (which could be generated from a template, because they are
367      almost identical), for now they are included in obcs_prescribe_read.F for
368      simplicity
369    o pkg/exf:
370      - add a little more diagnostic to exf_interp_read (in analogy to
371        mds_read_field, can be turned off with debugLevel < debugLevA=1)
372      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
373        ugly but fast by unrolling short inner loops, inserting a unroll=8
374        directive in routine lagran, and splitting a loop and making do while the
375        outermost loop (the latter requires the intoduction of index arrays)
376    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
377    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
378      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
379    o verification/seaice_obcs: updated for restart test and latest options
380    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
381      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
382      for now this is only available for the C-grid code and also within
383      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
384    
385    checkpoint59m
386    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
387      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
388    o gad_som : fix flux output (& diagnostics) to have same units as other  
389      advection scheme fluxes (was previously multiplied by deltaT).  
390    o added verification/seaice_obcs both to test seaice open boundaries
391      and to provide an example matlab scrpt for generating them
392    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
393    o pkg/salt_plume: clean up salt_plume_frac.F to
394      remove redundancy in PlumeMethod 1 and 4
395    o pkg/kpp: added saltplume diagnostics
396    o pkg/obcs and pkg/seaice:
397      - do not set uice and vice to zero when OB*icefile are unspecified
398      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
399      - moved seaice tracer obcs after call to seaice_growth
400    o pkg/salt_plume: added various options for salt plume depth
401      criterion and for vertical distribution of the salt
402    
403    checkpoint59l
404    o pkg/ptracers: new version of ptracers pickup:
405      read meta file and write only fields which are needed to restart.
406      ( same logic as main pickup file ; also using pickupStrictlyMatch )
407    o pkg/seaice:
408      - add timescale for melting due to warm mixed layer as a means of
409        setting SEAICE_availHeatFrac more conveniently
410      - add a CPP-flag/runtime parameter check for flooding algorithm
411      - reformulated availHeat in seaice_growth.F to be independent of AREA
412    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
413      unit changes
414    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
415    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
416      SX vector computer.
417    o pkg/seaice:
418      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
419        seaice forcing fields can now be read only through pkg/exf
420      - removed some unused halos
421    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
422    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
423      or U/VICE from U/VWIND before computing U/VSTRESS
424    
425    checkpoint59k
426    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
427      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
428    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
429      all experiments pass when compile with un-initialised var. checking option.
430    o added pkg/salt_plume
431    o script to test restart (for now, in MITgcm_contrib/jmc_script)
432    o pkg/seaice: new read/write pickup version.
433      read meta file and write only fields which are needed to restart.
434      ( same logic as main pickup file ; also using pickupStrictlyMatch )
435    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
436    o lab_sea.hb87: modify the domain & update output.hb87.txt :
437      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
438      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
439      process. Fixed here by closing the domain at the Northern boundary.
440    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
441    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
442      a set of consecutive levels in/from a 3-D array.
443    o pkg/ptracers:
444      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
445      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
446    
447    checkpoint59j
448    o in pkgs: dic, obcs, offline, rbcs:
449      standard way to compute coeff. for time interpolation between 2 time reccords
450      which retains full precision (& make results less dependent on compiler).
451      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
452    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
453      packages instead of reading ice cover and wind speed separately
454    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
455     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
456      to allow to compile customized code before the update)
457    o cleaning-up:
458      - fix CPP instruction syntax in pkg/obcs
459      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
460        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
461      - fix some threads issue in IO parts.
462    o pkg/dic:
463      - add tons of "_d 0" (--> much better testreports !)
464       and then update outputs of tutorial_global_oce_biogeo
465    o pkg/mom_fluxform:
466      add a special version of momentum advection intended to conserve momentum
467      next to a bathymetry step or a coastline edge. (default = off = #undef)
468    o new read/write pickup version:
469      - for now, only implemented for main (mdsio) pickup file.
470      - write out only what is needed to restart; merge pickup_nh , pickup_ph
471        and main pickup together.
472      - read meta file; read only what is needed to restart; stop if a field
473        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
474        if it make sense (even if the restart is not perfect).
475      - if no meta file, assume that pickup to read corresponds exactly to
476        a pickup that would currently be written.
477      - read pickup written in the old format (until checkpoint59i) if it
478        recognizes an old meta file (no field-list).
479      - add a meta file in exp. which starts from a pickup: 2 cases:
480        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
481         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
482        b) a meta file describing the content of the associated pickup file
483         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
484    o pkg/mdsio & pkg/rw:
485      - new routine to read a meta file ; new set of routine to read
486        Multiple-fields file (with meta file).
487    o added open boundary conditions capability for seaice
488        HSNOW, HSALT, UICE, and VICE
489    
490    checkpoint59i
491    o adjoint:
492      * fix multiDimAdvection adjoint
493        (partial recomputation problem by TAF for fVerT(:,:,kDown)
494        and comlev1 size definition (maxpass vs. max. number of tracers)
495      * verification/global_ocean.90x45x15 adjoint now tests
496        NLFS and multiDimAdvection using DST3 (=30)
497      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
498    o pkg/kpp: add "_d 0" to real constant (if missing);
499      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
500      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
501    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
502      for internal parameters related to restart process (formerly from PARAMS.h)
503      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
504    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
505      as argument. (only atm2d & obcs write_pickup have not yet been updated)
506    o pkg/monitor:
507      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
508      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
509      - account for deep Atmosphere factor and density factor (anelastic)
510    o added open boundary conditions capability for seaice HEFF and AREA
511    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
512      thermodynamics
513      - requires a little reorganization, which affects the testreport results
514        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
515        so that now the conservative form is tested
516      - add a few comments
517    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
518    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
519    o add new diagnostics to seaice: advective, diffusive fluxes (only for
520      multidim-advection, for scheme 2 they are not filled) and transports,
521      thermodynamic growth rates
522    o change units of EmPmR (inside the code, + within coupling interface)
523      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
524      Affects results @ truncation level (cg2d match) and update output of
525       experiments: lab_sea(6), global_ocean.90x40x15(10),
526      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
527      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
528      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
529      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
530    
531    checkpoint59h
532    o pkg/exf:
533      - improve vectorization by moving if-statement out of loops in
534        exf_mapfields, exf_radiation
535      - exf_bulkformulae.F: introduce 2D fields and vectorize code
536    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
537    o testreport:
538      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
539        monitor & update offline_exf_seaice exp. output.
540      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
541    o pkg/seaice:
542      - bug fix in the evp solver: boundary conditions were affected be
543        masking of zMax/zMin (changes results)
544      - minor bug fix in boundary conditions in seaice_calc_strainrates
545        (changes results for no_slip)
546      - seaice_lsr.F: make interpolation of eta dependent on boundaries
547      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
548      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
549        stress formulation and no-slip boundary conditions
550    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
551      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
552    o pkg/seaice: a first HSALT time stepping equation has been checked in
553    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
554      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
555      without requiring DO-IF statements
556    o pkg/thsice:
557      use continuous power-law function for partition of energy between lateral
558      melting/freezing and thinning/thickening ; old code using step function
559      still available with #undef THSICE_FRACEN_POWERLAW
560      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
561    o testreport: change AD testing : check against results/output_adm.txt
562      using same scripts as for forward test.
563    
564    checkpoint59g
565    o adjoint testing: in preparation for changing testreport:
566      - output format: cost and grad written on separated lines
567      - ad output results in directory "results" (instead of "results_ad")
568    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
569    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
570    o pkg/ecco: allow user defined cost function contributions
571    o testreport:
572      Allow to choose (per experiment) the list of tested output variables
573       and the main variable (used to issue a pass/FAIL ) ;
574      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
575      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
576      Also modify printing of summary:
577       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
578       b) echo the list of tested variables in the individual summary.txt of
579          each experiment.
580    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
581      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
582      (but still depend on the tile decompostion of the domain).
583    o pkg/seaice: change a discretization detail to make the B-grid code
584      "more symmetric". This change is likely to remove all "ridges/leads" that
585      where quasi-aligned with the grid in B-grid solutions. It may also be
586      the solution to the stress coupling issues with the B-grid.
587    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
588      remove .cvsignore from input dir. (since testreport no longer run here).
589    o pkg/thsice:
590     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
591     - fix reshaping of sea-ice just after advection:
592       melt all the ice only if ice-volume is too small.
593     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
594       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
595     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
596    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
597      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
598    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
599      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
600      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
601      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
602      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
603      -> update output.txt
604    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
605     this affects truncation error: -> update output.txt of exp:
606      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
607      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
608    
609    checkpoint59f
610    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
611    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
612      a bounded range (in forward mode)
613    o pkg/ecco, ctrl, autodiff and mom_common:
614     internal parameter controls, completements of implementations
615    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
616    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
617      (not seem any difference in testing results).
618    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
619       at face corners.
620    o pkg/generic_advdiff:
621     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
622      loop range indices for computing vertical advection tendency
623      and do the calculation in the interior only (no overlap) ;
624      for now, only implemented for SOM advection (to save CPU time).
625     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
626    o exch2 adjoint
627      First set of changes:
628      - add exch2 hand-written adjoint templates
629      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
630        This will require cleanup in pkg/autodiff/*.F
631        (changed routines currently kept separate in verif. code/)
632      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
633        that used to hide exch2 or cubed-sphere specific code
634        (commented via 'cph-exch2')
635    o pkg/seaice
636      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
637    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
638       output of global_ocean.cs32x15.thsice .
639    
640    checkpoint59e
641    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
642      for B-grid vector (not yet tested) and C-grid vector (<- only used
643      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
644    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
645      (#ifdef ALLOW_SALT_PLUME)
646    o gather_2d/scatter_2d: removed halo regions
647    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
648      scheme and the corresponding test case (under front_relax dir). For now,
649      only available with Skew-flux form and not yet tested in realistic set-up.
650      adjoint: store directives updated, but gradient checks deteriorated,
651      so maybe GM/Redi adjoint is now broken.
652    o seaice adjoint
653      * add AREA, HEFF, HSNOW as control variable
654        (should not change lab_sea results)
655      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
656    o pkg/seaice:
657      * added computation of saltFlux in seaice_growth;
658        For time being, sea ice salinity is assumed constant
659        contribution of snow flooding to freshening of sea ice is neglected.
660        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
661        defaults to 0.0 in order to maintain backward compatibility.
662        Typical values for SEAICE_salinity are 4 to 10 g/kg.
663      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
664      * added SEAICE_availHeatFrac, which specifies fraction of surface level
665        heat content used to melt or grow ice
666      * commented out cap of HICE: it helps keep ice thinner
667      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
668      * applied OBCS T/S mask to HEFFM sea ice mask
669    
670    checkpoint59d
671    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
672     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
673     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
674    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
675     and change default value of parameter "GM_Small_Number";
676     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
677       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
678       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
679    o pkg/ecco: cost function when applying pkg/smooth to controls
680    o pkg/ctrl: add forcingPrecond run time parameter
681    o pkg/seaice:
682     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
683     - fix bug in metric terms of u-equation in LSR solver (implicit part),
684       changes verification/lab_sea
685     - rearrange implicit part of u-equation in LSR solver to make it easier to
686       read, understand, and debug. This causes changes at the truncation level.
687     - fix (serious) bug in the boundary conditions (sign error in the implicit
688       part) of the LSR solver. Changes all LSR results.
689     - fixed problem with HSNOW initialization to avoid thick snow when AREA
690       is initilized with small values - does not change lab_sea results.
691     - added HsnowFile initialization capability
692    o pkg/smooth: addition to model/src and pkg/ctrl so allow
693     initialization of pkg/smooth and application to control vector
694  o pkg/seaice: fix another bug in the LSR no-slip boundary conditons  o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
695  o dependencies: pkg/profiles requires pkg/cal  o dependencies: pkg/profiles requires pkg/cal
696  o pkg/profiles:  o pkg/profiles:
# Line 15  o pkg/profiles: Line 702  o pkg/profiles:
702       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
703   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
704     cleaner stops when error, and more tests of the netcdf input files consistency.     cleaner stops when error, and more tests of the netcdf input files consistency.
   
705  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
706  o pkg/seaice:  o pkg/seaice:
707   - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this   - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
# Line 149  o in FFIELDS.h: Line 835  o in FFIELDS.h:
835       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
836  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
837  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
838      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
839        are no longer updating the vertical diffusivity array
840        (passed as argument) but are (re-) setting those arrays.
841  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
842    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
843      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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