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revision 1.841 by gforget, Wed Jun 20 19:39:04 2007 UTC revision 1.1041 by jmc, Wed Nov 19 01:56:41 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 move getcon.F from model/src to pkg/fizhi.
8    o pkg/exf: add parameter for extrapolation of temp up to the surface
9       and option to prevent negative evap (in bulk_largeyeager04 only).
10    o Prather Advection scheme: fix tracer conservation for divergent flow
11      (e.g., when using NonLin Free-Surface).
12    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
13    o gmredi (Visbeck-variable-K):
14     - add more parameters to Visbeck-variable-K.
15     - use a 5 points average for dSigmaR in Visbeck-K calculation
16       (more "homogenous": same stencil and same weights as in dSigmaH)
17     - update output of ideal_2D_oce experiment.
18    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
19      (#undef REAL4_IS_SLOW)
20     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
21       coordinate variable
22     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
23       (surface forcing fields), removes some of the functionality
24     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
25     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
26       probably not all: copy _RS surface flux fields to RL field before
27       calling DIAGNOSTICS_FILL
28     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
29       real*4 (CALL EXCH_*_RS) versions.
30     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
31       (generate new output).
32    
33    checkpoint61e
34    o gmredi (Visbeck-variable-K):
35      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
36      - change computation of Visbeck-K where Slope > Smax :        
37        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
38        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
39    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
40      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
41    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
42    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
43      does not become too large (to avoid precision problems in implicit-diffusion
44      solver); update ideal_2D_oce output.
45    o pkg ggl90:
46      - in ggl90_cal.F: compute only one set of visc/diff, used to
47        step forward TKE/T/S/momentum
48      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
49        have Prandlt =1)
50    o gmredi (fm07):
51      - add lower limit on Transition layer thickness + lower limit on 1/lambda
52      - allow to set few more params from data.gmredi
53    o pkg ggl90:
54          - add missing sqrt(2) factor in computation of mixing length
55            scale in ggl90_calc.F
56            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
57    
58    checkpoint61d
59    o adjoint modifs
60      - adapt to new field rhoInSitu
61      - allow to revert from StoreDynVars2D, StoreDynVars3D
62        to individual fields
63        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
64    o store 3-D (in-situ) density in commom block (DYNVARS.h)
65     - save 1 rho computation.
66     - no longer modify T & S inland when using down_slope pkg.
67    o gad_som : allow to switch to SOM advection for T & S without corresponding
68      pickup files (using new S/R: MDS_CHECK4FILE).
69    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
70      (for useSingleCpuIO to work in multi-threaded)
71    o pkg/shelfice:
72     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
73       with SHELFICEtopoFile in data.shelfice
74     - move code for reading ice shelf topography and modifying hFacC into separate
75       subroutines of the shelfice package
76     - separate initialisation of "fixed" and "variable" variables
77     - kTopC is not (yet) replaced by kSurfC, although this is possible
78    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
79    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
80      and rename:
81      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
82      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
83    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
84    
85    checkpoint61c
86    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
87      to add mass source/sink of fluid in the interior (3-D generalisation
88      of oceanic real-fresh water flux).
89    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
90    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
91    o new pkg: down_slope
92      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
93      - presently, modify T & S inland (dwnslp_calc_rho.F).
94        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
95      - implementation for ocean in P-coords not tested.
96      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
97    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
98      (to facilitate conversion of oceanic pkg to p-coordinate).
99    o change FIND_RHO to FIND_RHO_2D :
100      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
101    o new pkg: cheapaml
102    
103    checkpoint61b
104    o exch2:
105      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
106      - no longer depend on the order sequence (N,S,E,W).
107      - 3rd exchange no longer needed (tested with 24 tiles).
108      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
109      - exch_UV_A-grid readily available (but not yet tested).
110      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
111      (both are no longer needed) in exch_uv: no effect in forward run; but
112       get truncation error differences with adjoint exch.
113    o exch2:
114     - change index-bounds storage (moved from target to local tile,
115       more intuitive this way) ; rename/remove some variables.
116     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
117    
118    checkpoint61a
119    o exch2/matlab-topology-generator:
120      fix bug in index bounds for N-S internal exchange (hard to tell if this
121      had any effect on the solution).
122    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
123      is exceeded
124    o testreport: modify syntax of awk, so that it works also with
125      awk, and not only with nawk and gawk
126    
127    checkpoint61
128    o autodiff
129      Change default for TAF usage by removing argument '-nonew_arg'
130      This changes TAF subroutine argument list (ordering of active var.)
131      Omission of this flag leads to incompatibility w.r.t. TAMC
132      To restore TAMC-compatibility, need following modifs:
133      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
134      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
135      Tested TAF version is 1.9.22
136      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
137    
138    checkpoint60
139    --->>> This is the last checkpoint for which generating the adjoint
140    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
141    --->>> by default.
142    --->>> Future checkpoints will ommit this flag by default.
143    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
144    o pkg/grdchk: Add gradient check to etan0 perturbations.
145    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
146    o pkg/autodiff: more flexibility in zeroadj.
147      model/src: modifying do_oceanic_phys.F accordingly.
148    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
149    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
150      special setup of gmredi for which the adjoint is stable
151      enough for parameter optimization.
152    o bridging the gap between eddy stress and GM.
153      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
154          along with a change in CPP option (now ALLOW_EDDYPSI).
155      -> when using GM w/ GM_AdvForm:
156          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
157          is applied either in the tracer Eq. or in momentum Eq.
158          depending on data.gmredi (intro. GM_InMomAsStress).
159      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
160      The key modifications are in model/src/taueddy_external_forcing.F
161      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
162    
163    checkpoint59r
164    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
165      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
166      fix option to read coriolis(@ cell-corner) from files with CS-grid.
167    o pkg/mnc: add some attributes to standard 1D-coordinate variables
168    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
169      mass points, when using mnc for output
170      - add runtime parameter (missing_value, missing_value_int) to override
171        default (which is the value of getcon('UNDEF'))
172    o pkg/mnc: prepare mnc for the actual use of missing values with the
173      diagnostics package: small fix in mnc_cw_readwrite.template and more
174      initialisation of never used fields
175      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
176      versions
177    o pkg/thsice/thsice_ini_vars.F added default initial values so that
178      thermodynamics sea ice solver does not blow up when some initial fields
179      are missing.
180    o move from external_forcing_surf.F to ini_forcing.F
181      the p-coord. hack consisting in using pLoad to set phi0surf ;
182      update output of tutorial_global_oce_in_p (affected @ truncation level).
183    o Freshen up a bit hs94.1x64x5, notably:
184      remove rotationPeriod and tRef=5*0. (adjoint only), and add
185      exactConserv=.TRUE.
186    o pkg/generic_advdiff:
187      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
188      applies to files where Temperature & Salinity 2nd Order moments are used.
189    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
190      this uses a dynamically allocated internal state data structure
191      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
192      and requires a fortran 90 compiler
193    
194    checkpoint59q
195    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
196       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
197    o Refresh tutorial_global_oce_biogeo, notably:
198      - change bathymetry (put back seamounts in ACC, use hFacs)
199      - change EOS (POLY3 --> JMD95Z)
200      - use Bryan-Lewis vertical diffusivity
201      - use multidimensional advection
202      - remove old virtual virtual in dic pkg, now done through ptracer pkg
203      - change a couple of parameters in dic pkg
204    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
205    o pkg/obcs: change default to OBCSfixTopo = .true.,
206      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
207      - replace "debugMode" with "debugLevel .GE. debLevB"
208    o implementation of TAF directives for gchem,cfc,dic
209    o remove "exp5" (replaced by tutorial_deep_convection).
210    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
211      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
212      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
213      --> changes results in exp4, seaice_obcs
214    o tutorial_deep_convection :
215      update the set-up and increase resolution and domain size ; start
216      from pseudo initial conditions = output at t=120mn in order to see
217      something happening when running testreport.
218    o pkg/seaice: add os7mp as an advection scheme
219                  add check for advection schemes
220                  add a flag for restoring T and S underneath sea ice
221    o pkg/my82: add netcdf-support and diagnostics
222    o thsice pkg:
223      - Now hsMax limits snow height by turning it into ice following
224        flooding scheme (and now conserving energy)
225      - Slight rewriting of the formula in thsice_calc_thick.F
226      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
227      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
228    
229    checkpoint59p
230    o gchem / dic / cfc :
231      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
232      - add new parameter files: "data.dic" & "data.cfc" ;
233      - various re-arrangement in initialisation & header file ;
234      - fix tutorial_global_oce_biogeo for multi-threaded test.
235    o pkg/dic: test for "pickup_dic" file when restarting ;
236      if no pickup-file, can restart with a re-initialised pH (same as it did
237      before) providing pickupStrictlyMatch is set to False.
238    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
239      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
240    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
241      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
242    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
243     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
244       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
245    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
246       scheme to use for vorticty-term ;
247     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
248       (with default selectVortScheme, return to original discretisation)
249     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
250    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
251    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
252      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
253      also fix diagnostics VISCAHW & VISCA4W.
254    
255    checkpoint59o
256    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
257    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
258      move a few statemens out the main loop into separate loops
259    o pkg/shelfice:
260      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
261        (kg/m^2/s), does not break tests, because in verification/isomip,
262        rhoConstFresh=rhoConst (by accident)
263      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
264      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
265        new file model/src/seawater.F, so that they are available for all pkgs.
266      - convert potential temperature into in-situ temperature. This changes the
267        isomip tests => update tests
268    o add a flag writePickupAtEnd (default=true) to be able to suppress
269      writing a pickup at the last timestep
270    o tools/mpack-1.6 :
271      - disable automake (not working) and autoconf (not needed).
272      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
273        also cleaner with much less compilation warnings.
274    o pkg/profiles:
275      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
276      (for "less than 32 characters name" compiler requirement)
277    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
278      conditions that have a different sampling frequency than S/T/U/V obcs
279    o pkg/diagnostics (stats-diags):
280      - fix global Min/Max in case 1 processor get only empty tiles
281    o genmake2: replace (4 times)
282         make genmake_tc_1.o >> genmake_warnings 2>&1
283      with
284         COMM="$CC $CFLAGS -c genmake_tc_1.c"
285         echo $COMM >> genmake_warnings
286         $COMM >> genmake_warnings 2>&1
287      to make genmake2 always see the value of CC as specified in the optfile.
288    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
289      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
290      - modify verification advect_cs test to test SOM-advection on CS-grid.
291    o pkg/ctrl:
292      - Rewrite of ctrl_map_ini_ecco.F,
293        introducing a generic routine (ctrl_map_ini_gen.F).
294      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
295    
296    checkpoint59n
297    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
298      number in dedicate array "hdiag":
299      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
300        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
301      - many small changes (integer format) for large number of diagnostics
302      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
303        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
304    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
305      usingSphericalGrid, this allows to define the rotated grid coordinates
306      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
307      geographical coordinates according to the inverse of the rotation defined
308      by the Euler angles, so that Coriolis parameter and online-interpolation by
309      exf works with the geographical coordinates on XC/YC/XG/YG.
310      Naturally, this feature does not work with all packages, so some
311      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
312      profiles), because there the coordinates are assumed to be regular
313      spherical grid coordinates.
314    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
315      - introduce isopycnal diffusion coefficient control.
316    o tools/adjoint_options:
317      - additional control vector components.
318    o pkg/mnc: have mnc create marginally meaning full coordinate variables
319      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
320    o pkg/mypackage:
321      - add example of read/write pickup for state-var ;
322      - add entry points to the main code for state-vars diags & write-pickup.
323    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
324      transitions for useExfYearlyFields
325      - add new subroutine that determines the file to read from for
326        use*YearlyFields = .TRUE. and .FALSE.
327      - add a verification experiment to global_with_exf that tests
328        useExfYearlyFields with USE_EXF_INTERPOLATION defined
329    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
330      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
331      subroutines (which could be generated from a template, because they are
332      almost identical), for now they are included in obcs_prescribe_read.F for
333      simplicity
334    o pkg/exf:
335      - add a little more diagnostic to exf_interp_read (in analogy to
336        mds_read_field, can be turned off with debugLevel < debugLevA=1)
337      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
338        ugly but fast by unrolling short inner loops, inserting a unroll=8
339        directive in routine lagran, and splitting a loop and making do while the
340        outermost loop (the latter requires the intoduction of index arrays)
341    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
342    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
343      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
344    o verification/seaice_obcs: updated for restart test and latest options
345    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
346      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
347      for now this is only available for the C-grid code and also within
348      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
349    
350    checkpoint59m
351    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
352      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
353    o gad_som : fix flux output (& diagnostics) to have same units as other  
354      advection scheme fluxes (was previously multiplied by deltaT).  
355    o added verification/seaice_obcs both to test seaice open boundaries
356      and to provide an example matlab scrpt for generating them
357    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
358    o pkg/salt_plume: clean up salt_plume_frac.F to
359      remove redundancy in PlumeMethod 1 and 4
360    o pkg/kpp: added saltplume diagnostics
361    o pkg/obcs and pkg/seaice:
362      - do not set uice and vice to zero when OB*icefile are unspecified
363      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
364      - moved seaice tracer obcs after call to seaice_growth
365    o pkg/salt_plume: added various options for salt plume depth
366      criterion and for vertical distribution of the salt
367    
368    checkpoint59l
369    o pkg/ptracers: new version of ptracers pickup:
370      read meta file and write only fields which are needed to restart.
371      ( same logic as main pickup file ; also using pickupStrictlyMatch )
372    o pkg/seaice:
373      - add timescale for melting due to warm mixed layer as a means of
374        setting SEAICE_availHeatFrac more conveniently
375      - add a CPP-flag/runtime parameter check for flooding algorithm
376      - reformulated availHeat in seaice_growth.F to be independent of AREA
377    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
378      unit changes
379    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
380    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
381      SX vector computer.
382    o pkg/seaice:
383      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
384        seaice forcing fields can now be read only through pkg/exf
385      - removed some unused halos
386    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
387    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
388      or U/VICE from U/VWIND before computing U/VSTRESS
389    
390    checkpoint59k
391    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
392      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
393    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
394      all experiments pass when compile with un-initialised var. checking option.
395    o added pkg/salt_plume
396    o script to test restart (for now, in MITgcm_contrib/jmc_script)
397    o pkg/seaice: new read/write pickup version.
398      read meta file and write only fields which are needed to restart.
399      ( same logic as main pickup file ; also using pickupStrictlyMatch )
400    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
401    o lab_sea.hb87: modify the domain & update output.hb87.txt :
402      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
403      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
404      process. Fixed here by closing the domain at the Northern boundary.
405    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
406    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
407      a set of consecutive levels in/from a 3-D array.
408    o pkg/ptracers:
409      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
410      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
411    
412    checkpoint59j
413    o in pkgs: dic, obcs, offline, rbcs:
414      standard way to compute coeff. for time interpolation between 2 time reccords
415      which retains full precision (& make results less dependent on compiler).
416      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
417    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
418      packages instead of reading ice cover and wind speed separately
419    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
420     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
421      to allow to compile customized code before the update)
422    o cleaning-up:
423      - fix CPP instruction syntax in pkg/obcs
424      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
425        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
426      - fix some threads issue in IO parts.
427    o pkg/dic:
428      - add tons of "_d 0" (--> much better testreports !)
429       and then update outputs of tutorial_global_oce_biogeo
430    o pkg/mom_fluxform:
431      add a special version of momentum advection intended to conserve momentum
432      next to a bathymetry step or a coastline edge. (default = off = #undef)
433    o new read/write pickup version:
434      - for now, only implemented for main (mdsio) pickup file.
435      - write out only what is needed to restart; merge pickup_nh , pickup_ph
436        and main pickup together.
437      - read meta file; read only what is needed to restart; stop if a field
438        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
439        if it make sense (even if the restart is not perfect).
440      - if no meta file, assume that pickup to read corresponds exactly to
441        a pickup that would currently be written.
442      - read pickup written in the old format (until checkpoint59i) if it
443        recognizes an old meta file (no field-list).
444      - add a meta file in exp. which starts from a pickup: 2 cases:
445        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
446         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
447        b) a meta file describing the content of the associated pickup file
448         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
449    o pkg/mdsio & pkg/rw:
450      - new routine to read a meta file ; new set of routine to read
451        Multiple-fields file (with meta file).
452    o added open boundary conditions capability for seaice
453        HSNOW, HSALT, UICE, and VICE
454    
455    checkpoint59i
456    o adjoint:
457      * fix multiDimAdvection adjoint
458        (partial recomputation problem by TAF for fVerT(:,:,kDown)
459        and comlev1 size definition (maxpass vs. max. number of tracers)
460      * verification/global_ocean.90x45x15 adjoint now tests
461        NLFS and multiDimAdvection using DST3 (=30)
462      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
463    o pkg/kpp: add "_d 0" to real constant (if missing);
464      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
465      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
466    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
467      for internal parameters related to restart process (formerly from PARAMS.h)
468      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
469    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
470      as argument. (only atm2d & obcs write_pickup have not yet been updated)
471    o pkg/monitor:
472      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
473      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
474      - account for deep Atmosphere factor and density factor (anelastic)
475    o added open boundary conditions capability for seaice HEFF and AREA
476    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
477      thermodynamics
478      - requires a little reorganization, which affects the testreport results
479        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
480        so that now the conservative form is tested
481      - add a few comments
482    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
483    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
484    o add new diagnostics to seaice: advective, diffusive fluxes (only for
485      multidim-advection, for scheme 2 they are not filled) and transports,
486      thermodynamic growth rates
487    o change units of EmPmR (inside the code, + within coupling interface)
488      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
489      Affects results @ truncation level (cg2d match) and update output of
490       experiments: lab_sea(6), global_ocean.90x40x15(10),
491      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
492      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
493      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
494      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
495    
496    checkpoint59h
497    o pkg/exf:
498      - improve vectorization by moving if-statement out of loops in
499        exf_mapfields, exf_radiation
500      - exf_bulkformulae.F: introduce 2D fields and vectorize code
501    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
502    o testreport:
503      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
504        monitor & update offline_exf_seaice exp. output.
505      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
506    o pkg/seaice:
507      - bug fix in the evp solver: boundary conditions were affected be
508        masking of zMax/zMin (changes results)
509      - minor bug fix in boundary conditions in seaice_calc_strainrates
510        (changes results for no_slip)
511      - seaice_lsr.F: make interpolation of eta dependent on boundaries
512      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
513      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
514        stress formulation and no-slip boundary conditions
515    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
516      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
517    o pkg/seaice: a first HSALT time stepping equation has been checked in
518    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
519      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
520      without requiring DO-IF statements
521    o pkg/thsice:
522      use continuous power-law function for partition of energy between lateral
523      melting/freezing and thinning/thickening ; old code using step function
524      still available with #undef THSICE_FRACEN_POWERLAW
525      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
526    o testreport: change AD testing : check against results/output_adm.txt
527      using same scripts as for forward test.
528    
529    checkpoint59g
530    o adjoint testing: in preparation for changing testreport:
531      - output format: cost and grad written on separated lines
532      - ad output results in directory "results" (instead of "results_ad")
533    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
534    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
535    o pkg/ecco: allow user defined cost function contributions
536    o testreport:
537      Allow to choose (per experiment) the list of tested output variables
538       and the main variable (used to issue a pass/FAIL ) ;
539      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
540      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
541      Also modify printing of summary:
542       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
543       b) echo the list of tested variables in the individual summary.txt of
544          each experiment.
545    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
546      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
547      (but still depend on the tile decompostion of the domain).
548    o pkg/seaice: change a discretization detail to make the B-grid code
549      "more symmetric". This change is likely to remove all "ridges/leads" that
550      where quasi-aligned with the grid in B-grid solutions. It may also be
551      the solution to the stress coupling issues with the B-grid.
552    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
553      remove .cvsignore from input dir. (since testreport no longer run here).
554    o pkg/thsice:
555     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
556     - fix reshaping of sea-ice just after advection:
557       melt all the ice only if ice-volume is too small.
558     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
559       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
560     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
561    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
562      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
563    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
564      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
565      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
566      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
567      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
568      -> update output.txt
569    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
570     this affects truncation error: -> update output.txt of exp:
571      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
572      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
573    
574    checkpoint59f
575    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
576    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
577      a bounded range (in forward mode)
578    o pkg/ecco, ctrl, autodiff and mom_common:
579     internal parameter controls, completements of implementations
580    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
581    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
582      (not seem any difference in testing results).
583    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
584       at face corners.
585    o pkg/generic_advdiff:
586     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
587      loop range indices for computing vertical advection tendency
588      and do the calculation in the interior only (no overlap) ;
589      for now, only implemented for SOM advection (to save CPU time).
590     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
591    o exch2 adjoint
592      First set of changes:
593      - add exch2 hand-written adjoint templates
594      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
595        This will require cleanup in pkg/autodiff/*.F
596        (changed routines currently kept separate in verif. code/)
597      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
598        that used to hide exch2 or cubed-sphere specific code
599        (commented via 'cph-exch2')
600    o pkg/seaice
601      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
602    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
603       output of global_ocean.cs32x15.thsice .
604    
605    checkpoint59e
606    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
607      for B-grid vector (not yet tested) and C-grid vector (<- only used
608      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
609    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
610      (#ifdef ALLOW_SALT_PLUME)
611    o gather_2d/scatter_2d: removed halo regions
612    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
613      scheme and the corresponding test case (under front_relax dir). For now,
614      only available with Skew-flux form and not yet tested in realistic set-up.
615      adjoint: store directives updated, but gradient checks deteriorated,
616      so maybe GM/Redi adjoint is now broken.
617    o seaice adjoint
618      * add AREA, HEFF, HSNOW as control variable
619        (should not change lab_sea results)
620      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
621    o pkg/seaice:
622      * added computation of saltFlux in seaice_growth;
623        For time being, sea ice salinity is assumed constant
624        contribution of snow flooding to freshening of sea ice is neglected.
625        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
626        defaults to 0.0 in order to maintain backward compatibility.
627        Typical values for SEAICE_salinity are 4 to 10 g/kg.
628      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
629      * added SEAICE_availHeatFrac, which specifies fraction of surface level
630        heat content used to melt or grow ice
631      * commented out cap of HICE: it helps keep ice thinner
632      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
633      * applied OBCS T/S mask to HEFFM sea ice mask
634    
635    checkpoint59d
636    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
637     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
638     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
639    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
640     and change default value of parameter "GM_Small_Number";
641     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
642       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
643       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
644  o pkg/ecco: cost function when applying pkg/smooth to controls  o pkg/ecco: cost function when applying pkg/smooth to controls
645  o pkg/ctrl: add forcingPrecond run time parameter  o pkg/ctrl: add forcingPrecond run time parameter
646  o pkg/seaice:  o pkg/seaice:
# Line 30  o pkg/profiles: Line 667  o pkg/profiles:
667       that allow you to prepare netcdf input files.       that allow you to prepare netcdf input files.
668   - also modified: cleaner include statements, cleaner error print statements,   - also modified: cleaner include statements, cleaner error print statements,
669     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.
   
670  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.  o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
671  o pkg/seaice:  o pkg/seaice:
672   - 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 164  o in FFIELDS.h: Line 800  o in FFIELDS.h:
800       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
801  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
802  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
803      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
804        are no longer updating the vertical diffusivity array
805        (passed as argument) but are (re-) setting those arrays.
806  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
807    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
808      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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