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revision 1.839 by mlosch, Tue Jun 19 12:39:54 2007 UTC revision 1.1030 by jmc, Thu Oct 16 18:38:55 2008 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 gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
8      does not become too large (to avoid precision problems in implicit-diffusion
9      solver); update ideal_2D_oce output.
10    o pkg ggl90:
11      - in ggl90_cal.F: compute only one set of visc/diff, used to
12        step forward TKE/T/S/momentum
13      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
14        have Prandlt =1)
15    o gmredi(fm07):
16      - add lower limit on Transition layer thickness + lower limit on 1/lambda
17      - allow to set few more params from data.gmredi
18    o pkg ggl90:
19          - add missing sqrt(2) factor in computation of mixing length
20            scale in ggl90_calc.F
21            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
22    
23    checkpoint61d
24    o adjoint modifs
25      - adapt to new field rhoInSitu
26      - allow to revert from StoreDynVars2D, StoreDynVars3D
27        to individual fields
28        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
29    o store 3-D (in-situ) density in commom block (DYNVARS.h)
30     - save 1 rho computation.
31     - no longer modify T & S inland when using down_slope pkg.
32    o gad_som : allow to switch to SOM advection for T & S without corresponding
33      pickup files (using new S/R: MDS_CHECK4FILE).
34    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
35      (for useSingleCpuIO to work in multi-threaded)
36    o pkg/shelfice:
37     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
38       with SHELFICEtopoFile in data.shelfice
39     - move code for reading ice shelf topography and modifying hFacC into separate
40       subroutines of the shelfice package
41     - separate initialisation of "fixed" and "variable" variables
42     - kTopC is not (yet) replaced by kSurfC, although this is possible
43    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
44    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
45      and rename:
46      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
47      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
48    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
49    
50    checkpoint61c
51    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
52      to add mass source/sink of fluid in the interior (3-D generalisation
53      of oceanic real-fresh water flux).
54    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
55    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
56    o new pkg: down_slope
57      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
58      - presently, modify T & S inland (dwnslp_calc_rho.F).
59        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
60      - implementation for ocean in P-coords not tested.
61      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
62    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
63      (to facilitate conversion of oceanic pkg to p-coordinate).
64    o change FIND_RHO to FIND_RHO_2D :
65      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
66    o new pkg: cheapaml
67    
68    checkpoint61b
69    o exch2:
70      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
71      - no longer depend on the order sequence (N,S,E,W).
72      - 3rd exchange no longer needed (tested with 24 tiles).
73      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
74      - exch_UV_A-grid readily available (but not yet tested).
75      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
76      (both are no longer needed) in exch_uv: no effect in forward run; but
77       get truncation error differences with adjoint exch.
78    o exch2:
79     - change index-bounds storage (moved from target to local tile,
80       more intuitive this way) ; rename/remove some variables.
81     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
82    
83    checkpoint61a
84    o exch2/matlab-topology-generator:
85      fix bug in index bounds for N-S internal exchange (hard to tell if this
86      had any effect on the solution).
87    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
88      is exceeded
89    o testreport: modify syntax of awk, so that it works also with
90      awk, and not only with nawk and gawk
91    
92    checkpoint61
93    o autodiff
94      Change default for TAF usage by removing argument '-nonew_arg'
95      This changes TAF subroutine argument list (ordering of active var.)
96      Omission of this flag leads to incompatibility w.r.t. TAMC
97      To restore TAMC-compatibility, need following modifs:
98      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
99      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
100      Tested TAF version is 1.9.22
101      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
102    
103    checkpoint60
104    --->>> This is the last checkpoint for which generating the adjoint
105    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
106    --->>> by default.
107    --->>> Future checkpoints will ommit this flag by default.
108    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
109    o pkg/grdchk: Add gradient check to etan0 perturbations.
110    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
111    o pkg/autodiff: more flexibility in zeroadj.
112      model/src: modifying do_oceanic_phys.F accordingly.
113    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
114    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
115      special setup of gmredi for which the adjoint is stable
116      enough for parameter optimization.
117    o bridging the gap between eddy stress and GM.
118      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
119          along with a change in CPP option (now ALLOW_EDDYPSI).
120      -> when using GM w/ GM_AdvForm:
121          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
122          is applied either in the tracer Eq. or in momentum Eq.
123          depending on data.gmredi (intro. GM_InMomAsStress).
124      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
125      The key modifications are in model/src/taueddy_external_forcing.F
126      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
127    
128    checkpoint59r
129    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
130      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
131      fix option to read coriolis(@ cell-corner) from files with CS-grid.
132    o pkg/mnc: add some attributes to standard 1D-coordinate variables
133    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
134      mass points, when using mnc for output
135      - add runtime parameter (missing_value, missing_value_int) to override
136        default (which is the value of getcon('UNDEF'))
137    o pkg/mnc: prepare mnc for the actual use of missing values with the
138      diagnostics package: small fix in mnc_cw_readwrite.template and more
139      initialisation of never used fields
140      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
141      versions
142    o pkg/thsice/thsice_ini_vars.F added default initial values so that
143      thermodynamics sea ice solver does not blow up when some initial fields
144      are missing.
145    o move from external_forcing_surf.F to ini_forcing.F
146      the p-coord. hack consisting in using pLoad to set phi0surf ;
147      update output of tutorial_global_oce_in_p (affected @ truncation level).
148    o Freshen up a bit hs94.1x64x5, notably:
149      remove rotationPeriod and tRef=5*0. (adjoint only), and add
150      exactConserv=.TRUE.
151    o pkg/generic_advdiff:
152      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
153      applies to files where Temperature & Salinity 2nd Order moments are used.
154    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
155      this uses a dynamically allocated internal state data structure
156      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
157      and requires a fortran 90 compiler
158    
159    checkpoint59q
160    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
161       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
162    o Refresh tutorial_global_oce_biogeo, notably:
163      - change bathymetry (put back seamounts in ACC, use hFacs)
164      - change EOS (POLY3 --> JMD95Z)
165      - use Bryan-Lewis vertical diffusivity
166      - use multidimensional advection
167      - remove old virtual virtual in dic pkg, now done through ptracer pkg
168      - change a couple of parameters in dic pkg
169    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
170    o pkg/obcs: change default to OBCSfixTopo = .true.,
171      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
172      - replace "debugMode" with "debugLevel .GE. debLevB"
173    o implementation of TAF directives for gchem,cfc,dic
174    o remove "exp5" (replaced by tutorial_deep_convection).
175    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
176      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
177      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
178      --> changes results in exp4, seaice_obcs
179    o tutorial_deep_convection :
180      update the set-up and increase resolution and domain size ; start
181      from pseudo initial conditions = output at t=120mn in order to see
182      something happening when running testreport.
183    o pkg/seaice: add os7mp as an advection scheme
184                  add check for advection schemes
185                  add a flag for restoring T and S underneath sea ice
186    o pkg/my82: add netcdf-support and diagnostics
187    o thsice pkg:
188      - Now hsMax limits snow height by turning it into ice following
189        flooding scheme (and now conserving energy)
190      - Slight rewriting of the formula in thsice_calc_thick.F
191      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
192      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
193    
194    checkpoint59p
195    o gchem / dic / cfc :
196      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
197      - add new parameter files: "data.dic" & "data.cfc" ;
198      - various re-arrangement in initialisation & header file ;
199      - fix tutorial_global_oce_biogeo for multi-threaded test.
200    o pkg/dic: test for "pickup_dic" file when restarting ;
201      if no pickup-file, can restart with a re-initialised pH (same as it did
202      before) providing pickupStrictlyMatch is set to False.
203    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
204      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
205    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
206      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
207    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
208     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
209       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
210    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
211       scheme to use for vorticty-term ;
212     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
213       (with default selectVortScheme, return to original discretisation)
214     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
215    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
216    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
217      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
218      also fix diagnostics VISCAHW & VISCA4W.
219    
220    checkpoint59o
221    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
222    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
223      move a few statemens out the main loop into separate loops
224    o pkg/shelfice:
225      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
226        (kg/m^2/s), does not break tests, because in verification/isomip,
227        rhoConstFresh=rhoConst (by accident)
228      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
229      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
230        new file model/src/seawater.F, so that they are available for all pkgs.
231      - convert potential temperature into in-situ temperature. This changes the
232        isomip tests => update tests
233    o add a flag writePickupAtEnd (default=true) to be able to suppress
234      writing a pickup at the last timestep
235    o tools/mpack-1.6 :
236      - disable automake (not working) and autoconf (not needed).
237      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
238        also cleaner with much less compilation warnings.
239    o pkg/profiles:
240      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
241      (for "less than 32 characters name" compiler requirement)
242    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
243      conditions that have a different sampling frequency than S/T/U/V obcs
244    o pkg/diagnostics (stats-diags):
245      - fix global Min/Max in case 1 processor get only empty tiles
246    o genmake2: replace (4 times)
247         make genmake_tc_1.o >> genmake_warnings 2>&1
248      with
249         COMM="$CC $CFLAGS -c genmake_tc_1.c"
250         echo $COMM >> genmake_warnings
251         $COMM >> genmake_warnings 2>&1
252      to make genmake2 always see the value of CC as specified in the optfile.
253    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
254      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
255      - modify verification advect_cs test to test SOM-advection on CS-grid.
256    o pkg/ctrl:
257      - Rewrite of ctrl_map_ini_ecco.F,
258        introducing a generic routine (ctrl_map_ini_gen.F).
259      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
260    
261    checkpoint59n
262    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
263      number in dedicate array "hdiag":
264      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
265        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
266      - many small changes (integer format) for large number of diagnostics
267      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
268        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
269    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
270      usingSphericalGrid, this allows to define the rotated grid coordinates
271      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
272      geographical coordinates according to the inverse of the rotation defined
273      by the Euler angles, so that Coriolis parameter and online-interpolation by
274      exf works with the geographical coordinates on XC/YC/XG/YG.
275      Naturally, this feature does not work with all packages, so some
276      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
277      profiles), because there the coordinates are assumed to be regular
278      spherical grid coordinates.
279    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
280      - introduce isopycnal diffusion coefficient control.
281    o tools/adjoint_options:
282      - additional control vector components.
283    o pkg/mnc: have mnc create marginally meaning full coordinate variables
284      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
285    o pkg/mypackage:
286      - add example of read/write pickup for state-var ;
287      - add entry points to the main code for state-vars diags & write-pickup.
288    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
289      transitions for useExfYearlyFields
290      - add new subroutine that determines the file to read from for
291        use*YearlyFields = .TRUE. and .FALSE.
292      - add a verification experiment to global_with_exf that tests
293        useExfYearlyFields with USE_EXF_INTERPOLATION defined
294    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
295      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
296      subroutines (which could be generated from a template, because they are
297      almost identical), for now they are included in obcs_prescribe_read.F for
298      simplicity
299    o pkg/exf:
300      - add a little more diagnostic to exf_interp_read (in analogy to
301        mds_read_field, can be turned off with debugLevel < debugLevA=1)
302      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
303        ugly but fast by unrolling short inner loops, inserting a unroll=8
304        directive in routine lagran, and splitting a loop and making do while the
305        outermost loop (the latter requires the intoduction of index arrays)
306    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
307    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
308      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
309    o verification/seaice_obcs: updated for restart test and latest options
310    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
311      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
312      for now this is only available for the C-grid code and also within
313      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
314    
315    checkpoint59m
316    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
317      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
318    o gad_som : fix flux output (& diagnostics) to have same units as other  
319      advection scheme fluxes (was previously multiplied by deltaT).  
320    o added verification/seaice_obcs both to test seaice open boundaries
321      and to provide an example matlab scrpt for generating them
322    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
323    o pkg/salt_plume: clean up salt_plume_frac.F to
324      remove redundancy in PlumeMethod 1 and 4
325    o pkg/kpp: added saltplume diagnostics
326    o pkg/obcs and pkg/seaice:
327      - do not set uice and vice to zero when OB*icefile are unspecified
328      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
329      - moved seaice tracer obcs after call to seaice_growth
330    o pkg/salt_plume: added various options for salt plume depth
331      criterion and for vertical distribution of the salt
332    
333    checkpoint59l
334    o pkg/ptracers: new version of ptracers pickup:
335      read meta file and write only fields which are needed to restart.
336      ( same logic as main pickup file ; also using pickupStrictlyMatch )
337    o pkg/seaice:
338      - add timescale for melting due to warm mixed layer as a means of
339        setting SEAICE_availHeatFrac more conveniently
340      - add a CPP-flag/runtime parameter check for flooding algorithm
341      - reformulated availHeat in seaice_growth.F to be independent of AREA
342    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
343      unit changes
344    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
345    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
346      SX vector computer.
347    o pkg/seaice:
348      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
349        seaice forcing fields can now be read only through pkg/exf
350      - removed some unused halos
351    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
352    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
353      or U/VICE from U/VWIND before computing U/VSTRESS
354    
355    checkpoint59k
356    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
357      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
358    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
359      all experiments pass when compile with un-initialised var. checking option.
360    o added pkg/salt_plume
361    o script to test restart (for now, in MITgcm_contrib/jmc_script)
362    o pkg/seaice: new read/write pickup version.
363      read meta file and write only fields which are needed to restart.
364      ( same logic as main pickup file ; also using pickupStrictlyMatch )
365    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
366    o lab_sea.hb87: modify the domain & update output.hb87.txt :
367      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
368      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
369      process. Fixed here by closing the domain at the Northern boundary.
370    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
371    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
372      a set of consecutive levels in/from a 3-D array.
373    o pkg/ptracers:
374      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
375      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
376    
377    checkpoint59j
378    o in pkgs: dic, obcs, offline, rbcs:
379      standard way to compute coeff. for time interpolation between 2 time reccords
380      which retains full precision (& make results less dependent on compiler).
381      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
382    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
383      packages instead of reading ice cover and wind speed separately
384    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
385     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
386      to allow to compile customized code before the update)
387    o cleaning-up:
388      - fix CPP instruction syntax in pkg/obcs
389      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
390        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
391      - fix some threads issue in IO parts.
392    o pkg/dic:
393      - add tons of "_d 0" (--> much better testreports !)
394       and then update outputs of tutorial_global_oce_biogeo
395    o pkg/mom_fluxform:
396      add a special version of momentum advection intended to conserve momentum
397      next to a bathymetry step or a coastline edge. (default = off = #undef)
398    o new read/write pickup version:
399      - for now, only implemented for main (mdsio) pickup file.
400      - write out only what is needed to restart; merge pickup_nh , pickup_ph
401        and main pickup together.
402      - read meta file; read only what is needed to restart; stop if a field
403        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
404        if it make sense (even if the restart is not perfect).
405      - if no meta file, assume that pickup to read corresponds exactly to
406        a pickup that would currently be written.
407      - read pickup written in the old format (until checkpoint59i) if it
408        recognizes an old meta file (no field-list).
409      - add a meta file in exp. which starts from a pickup: 2 cases:
410        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
411         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
412        b) a meta file describing the content of the associated pickup file
413         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
414    o pkg/mdsio & pkg/rw:
415      - new routine to read a meta file ; new set of routine to read
416        Multiple-fields file (with meta file).
417    o added open boundary conditions capability for seaice
418        HSNOW, HSALT, UICE, and VICE
419    
420    checkpoint59i
421    o adjoint:
422      * fix multiDimAdvection adjoint
423        (partial recomputation problem by TAF for fVerT(:,:,kDown)
424        and comlev1 size definition (maxpass vs. max. number of tracers)
425      * verification/global_ocean.90x45x15 adjoint now tests
426        NLFS and multiDimAdvection using DST3 (=30)
427      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
428    o pkg/kpp: add "_d 0" to real constant (if missing);
429      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
430      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
431    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
432      for internal parameters related to restart process (formerly from PARAMS.h)
433      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
434    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
435      as argument. (only atm2d & obcs write_pickup have not yet been updated)
436    o pkg/monitor:
437      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
438      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
439      - account for deep Atmosphere factor and density factor (anelastic)
440    o added open boundary conditions capability for seaice HEFF and AREA
441    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
442      thermodynamics
443      - requires a little reorganization, which affects the testreport results
444        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
445        so that now the conservative form is tested
446      - add a few comments
447    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
448    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
449    o add new diagnostics to seaice: advective, diffusive fluxes (only for
450      multidim-advection, for scheme 2 they are not filled) and transports,
451      thermodynamic growth rates
452    o change units of EmPmR (inside the code, + within coupling interface)
453      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
454      Affects results @ truncation level (cg2d match) and update output of
455       experiments: lab_sea(6), global_ocean.90x40x15(10),
456      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
457      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
458      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
459      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
460    
461    checkpoint59h
462    o pkg/exf:
463      - improve vectorization by moving if-statement out of loops in
464        exf_mapfields, exf_radiation
465      - exf_bulkformulae.F: introduce 2D fields and vectorize code
466    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
467    o testreport:
468      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
469        monitor & update offline_exf_seaice exp. output.
470      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
471    o pkg/seaice:
472      - bug fix in the evp solver: boundary conditions were affected be
473        masking of zMax/zMin (changes results)
474      - minor bug fix in boundary conditions in seaice_calc_strainrates
475        (changes results for no_slip)
476      - seaice_lsr.F: make interpolation of eta dependent on boundaries
477      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
478      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
479        stress formulation and no-slip boundary conditions
480    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
481      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
482    o pkg/seaice: a first HSALT time stepping equation has been checked in
483    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
484      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
485      without requiring DO-IF statements
486    o pkg/thsice:
487      use continuous power-law function for partition of energy between lateral
488      melting/freezing and thinning/thickening ; old code using step function
489      still available with #undef THSICE_FRACEN_POWERLAW
490      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
491    o testreport: change AD testing : check against results/output_adm.txt
492      using same scripts as for forward test.
493    
494    checkpoint59g
495    o adjoint testing: in preparation for changing testreport:
496      - output format: cost and grad written on separated lines
497      - ad output results in directory "results" (instead of "results_ad")
498    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
499    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
500    o pkg/ecco: allow user defined cost function contributions
501    o testreport:
502      Allow to choose (per experiment) the list of tested output variables
503       and the main variable (used to issue a pass/FAIL ) ;
504      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
505      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
506      Also modify printing of summary:
507       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
508       b) echo the list of tested variables in the individual summary.txt of
509          each experiment.
510    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
511      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
512      (but still depend on the tile decompostion of the domain).
513    o pkg/seaice: change a discretization detail to make the B-grid code
514      "more symmetric". This change is likely to remove all "ridges/leads" that
515      where quasi-aligned with the grid in B-grid solutions. It may also be
516      the solution to the stress coupling issues with the B-grid.
517    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
518      remove .cvsignore from input dir. (since testreport no longer run here).
519    o pkg/thsice:
520     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
521     - fix reshaping of sea-ice just after advection:
522       melt all the ice only if ice-volume is too small.
523     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
524       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
525     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
526    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
527      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
528    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
529      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
530      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
531      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
532      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
533      -> update output.txt
534    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
535     this affects truncation error: -> update output.txt of exp:
536      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
537      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
538    
539    checkpoint59f
540    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
541    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
542      a bounded range (in forward mode)
543    o pkg/ecco, ctrl, autodiff and mom_common:
544     internal parameter controls, completements of implementations
545    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
546    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
547      (not seem any difference in testing results).
548    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
549       at face corners.
550    o pkg/generic_advdiff:
551     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
552      loop range indices for computing vertical advection tendency
553      and do the calculation in the interior only (no overlap) ;
554      for now, only implemented for SOM advection (to save CPU time).
555     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
556    o exch2 adjoint
557      First set of changes:
558      - add exch2 hand-written adjoint templates
559      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
560        This will require cleanup in pkg/autodiff/*.F
561        (changed routines currently kept separate in verif. code/)
562      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
563        that used to hide exch2 or cubed-sphere specific code
564        (commented via 'cph-exch2')
565    o pkg/seaice
566      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
567    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
568       output of global_ocean.cs32x15.thsice .
569    
570    checkpoint59e
571    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
572      for B-grid vector (not yet tested) and C-grid vector (<- only used
573      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
574    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
575      (#ifdef ALLOW_SALT_PLUME)
576    o gather_2d/scatter_2d: removed halo regions
577    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
578      scheme and the corresponding test case (under front_relax dir). For now,
579      only available with Skew-flux form and not yet tested in realistic set-up.
580      adjoint: store directives updated, but gradient checks deteriorated,
581      so maybe GM/Redi adjoint is now broken.
582    o seaice adjoint
583      * add AREA, HEFF, HSNOW as control variable
584        (should not change lab_sea results)
585      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
586    o pkg/seaice:
587      * added computation of saltFlux in seaice_growth;
588        For time being, sea ice salinity is assumed constant
589        contribution of snow flooding to freshening of sea ice is neglected.
590        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
591        defaults to 0.0 in order to maintain backward compatibility.
592        Typical values for SEAICE_salinity are 4 to 10 g/kg.
593      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
594      * added SEAICE_availHeatFrac, which specifies fraction of surface level
595        heat content used to melt or grow ice
596      * commented out cap of HICE: it helps keep ice thinner
597      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
598      * applied OBCS T/S mask to HEFFM sea ice mask
599    
600    checkpoint59d
601    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
602     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
603     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
604    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
605     and change default value of parameter "GM_Small_Number";
606     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
607       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
608       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
609    o pkg/ecco: cost function when applying pkg/smooth to controls
610    o pkg/ctrl: add forcingPrecond run time parameter
611  o pkg/seaice:  o pkg/seaice:
612   - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code   - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
613   - fix bug in metric terms of u-equation in LSR solver (implicit part),   - fix bug in metric terms of u-equation in LSR solver (implicit part),
# Line 12  o pkg/seaice: Line 616  o pkg/seaice:
616     read, understand, and debug. This causes changes at the truncation level.     read, understand, and debug. This causes changes at the truncation level.
617   - fix (serious) bug in the boundary conditions (sign error in the implicit   - fix (serious) bug in the boundary conditions (sign error in the implicit
618     part) of the LSR solver. Changes all LSR results.     part) of the LSR solver. Changes all LSR results.
619     - fixed problem with HSNOW initialization to avoid thick snow when AREA
620       is initilized with small values - does not change lab_sea results.
621     - added HsnowFile initialization capability
622  o pkg/smooth: addition to model/src and pkg/ctrl so allow  o pkg/smooth: addition to model/src and pkg/ctrl so allow
623   initialization of pkg/smooth and application to control vector   initialization of pkg/smooth and application to control vector
624  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
# Line 25  o pkg/profiles: Line 632  o pkg/profiles:
632       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
633   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
634     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.
   
635  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
636  o pkg/seaice:  o pkg/seaice:
637   - 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 159  o in FFIELDS.h: Line 765  o in FFIELDS.h:
765       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
766  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
767  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
768      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
769        are no longer updating the vertical diffusivity array
770        (passed as argument) but are (re-) setting those arrays.
771  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
772    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
773      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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