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revision 1.823 by mlosch, Fri May 25 14:52:27 2007 UTC revision 1.1046 by jmc, Wed Dec 3 02:45:22 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/flt:
8      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
9       + make OPTIONS file more standard.
10      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
11      - fix _BYTESWAPIO CPP-Flag
12      - standard reading of file-parameter "data.flt"
13      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
14    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
15    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
16      a still unfixed compiler/optimization bug
17    
18    checkpoint61f
19    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
20      update results of global_ocean.cs32x15.icedyn test.
21    o move getcon.F from model/src to pkg/fizhi.
22    o pkg/exf: add parameter for extrapolation of temp up to the surface
23       and option to prevent negative evap (in bulk_largeyeager04 only).
24    o Prather Advection scheme: fix tracer conservation for divergent flow
25      (e.g., when using NonLin Free-Surface).
26    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
27    o gmredi (Visbeck-variable-K):
28     - add more parameters to Visbeck-variable-K.
29     - use a 5 points average for dSigmaR in Visbeck-K calculation
30       (more "homogenous": same stencil and same weights as in dSigmaH)
31     - update output of ideal_2D_oce experiment.
32    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
33      (#undef REAL4_IS_SLOW)
34     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
35       coordinate variable
36     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
37       (surface forcing fields), removes some of the functionality
38     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
39     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
40       probably not all: copy _RS surface flux fields to RL field before
41       calling DIAGNOSTICS_FILL
42     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
43       real*4 (CALL EXCH_*_RS) versions.
44     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
45       (generate new output).
46    
47    checkpoint61e
48    o gmredi (Visbeck-variable-K):
49      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
50      - change computation of Visbeck-K where Slope > Smax :        
51        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
52        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
53    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
54      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
55    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
56    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
57      does not become too large (to avoid precision problems in implicit-diffusion
58      solver); update ideal_2D_oce output.
59    o pkg ggl90:
60      - in ggl90_cal.F: compute only one set of visc/diff, used to
61        step forward TKE/T/S/momentum
62      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
63        have Prandlt =1)
64    o gmredi (fm07):
65      - add lower limit on Transition layer thickness + lower limit on 1/lambda
66      - allow to set few more params from data.gmredi
67    o pkg ggl90:
68          - add missing sqrt(2) factor in computation of mixing length
69            scale in ggl90_calc.F
70            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
71    
72    checkpoint61d
73    o adjoint modifs
74      - adapt to new field rhoInSitu
75      - allow to revert from StoreDynVars2D, StoreDynVars3D
76        to individual fields
77        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
78    o store 3-D (in-situ) density in commom block (DYNVARS.h)
79     - save 1 rho computation.
80     - no longer modify T & S inland when using down_slope pkg.
81    o gad_som : allow to switch to SOM advection for T & S without corresponding
82      pickup files (using new S/R: MDS_CHECK4FILE).
83    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
84      (for useSingleCpuIO to work in multi-threaded)
85    o pkg/shelfice:
86     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
87       with SHELFICEtopoFile in data.shelfice
88     - move code for reading ice shelf topography and modifying hFacC into separate
89       subroutines of the shelfice package
90     - separate initialisation of "fixed" and "variable" variables
91     - kTopC is not (yet) replaced by kSurfC, although this is possible
92    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
93    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
94      and rename:
95      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
96      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
97    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
98    
99    checkpoint61c
100    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
101      to add mass source/sink of fluid in the interior (3-D generalisation
102      of oceanic real-fresh water flux).
103    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
104    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
105    o new pkg: down_slope
106      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
107      - presently, modify T & S inland (dwnslp_calc_rho.F).
108        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
109      - implementation for ocean in P-coords not tested.
110      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
111    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
112      (to facilitate conversion of oceanic pkg to p-coordinate).
113    o change FIND_RHO to FIND_RHO_2D :
114      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
115    o new pkg: cheapaml
116    
117    checkpoint61b
118    o exch2:
119      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
120      - no longer depend on the order sequence (N,S,E,W).
121      - 3rd exchange no longer needed (tested with 24 tiles).
122      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
123      - exch_UV_A-grid readily available (but not yet tested).
124      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
125      (both are no longer needed) in exch_uv: no effect in forward run; but
126       get truncation error differences with adjoint exch.
127    o exch2:
128     - change index-bounds storage (moved from target to local tile,
129       more intuitive this way) ; rename/remove some variables.
130     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
131    
132    checkpoint61a
133    o exch2/matlab-topology-generator:
134      fix bug in index bounds for N-S internal exchange (hard to tell if this
135      had any effect on the solution).
136    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
137      is exceeded
138    o testreport: modify syntax of awk, so that it works also with
139      awk, and not only with nawk and gawk
140    
141    checkpoint61
142    o autodiff
143      Change default for TAF usage by removing argument '-nonew_arg'
144      This changes TAF subroutine argument list (ordering of active var.)
145      Omission of this flag leads to incompatibility w.r.t. TAMC
146      To restore TAMC-compatibility, need following modifs:
147      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
148      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
149      Tested TAF version is 1.9.22
150      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
151    
152    checkpoint60
153    --->>> This is the last checkpoint for which generating the adjoint
154    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
155    --->>> by default.
156    --->>> Future checkpoints will ommit this flag by default.
157    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
158    o pkg/grdchk: Add gradient check to etan0 perturbations.
159    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
160    o pkg/autodiff: more flexibility in zeroadj.
161      model/src: modifying do_oceanic_phys.F accordingly.
162    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
163    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
164      special setup of gmredi for which the adjoint is stable
165      enough for parameter optimization.
166    o bridging the gap between eddy stress and GM.
167      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
168          along with a change in CPP option (now ALLOW_EDDYPSI).
169      -> when using GM w/ GM_AdvForm:
170          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
171          is applied either in the tracer Eq. or in momentum Eq.
172          depending on data.gmredi (intro. GM_InMomAsStress).
173      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
174      The key modifications are in model/src/taueddy_external_forcing.F
175      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
176    
177    checkpoint59r
178    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
179      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
180      fix option to read coriolis(@ cell-corner) from files with CS-grid.
181    o pkg/mnc: add some attributes to standard 1D-coordinate variables
182    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
183      mass points, when using mnc for output
184      - add runtime parameter (missing_value, missing_value_int) to override
185        default (which is the value of getcon('UNDEF'))
186    o pkg/mnc: prepare mnc for the actual use of missing values with the
187      diagnostics package: small fix in mnc_cw_readwrite.template and more
188      initialisation of never used fields
189      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
190      versions
191    o pkg/thsice/thsice_ini_vars.F added default initial values so that
192      thermodynamics sea ice solver does not blow up when some initial fields
193      are missing.
194    o move from external_forcing_surf.F to ini_forcing.F
195      the p-coord. hack consisting in using pLoad to set phi0surf ;
196      update output of tutorial_global_oce_in_p (affected @ truncation level).
197    o Freshen up a bit hs94.1x64x5, notably:
198      remove rotationPeriod and tRef=5*0. (adjoint only), and add
199      exactConserv=.TRUE.
200    o pkg/generic_advdiff:
201      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
202      applies to files where Temperature & Salinity 2nd Order moments are used.
203    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
204      this uses a dynamically allocated internal state data structure
205      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
206      and requires a fortran 90 compiler
207    
208    checkpoint59q
209    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
210       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
211    o Refresh tutorial_global_oce_biogeo, notably:
212      - change bathymetry (put back seamounts in ACC, use hFacs)
213      - change EOS (POLY3 --> JMD95Z)
214      - use Bryan-Lewis vertical diffusivity
215      - use multidimensional advection
216      - remove old virtual virtual in dic pkg, now done through ptracer pkg
217      - change a couple of parameters in dic pkg
218    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
219    o pkg/obcs: change default to OBCSfixTopo = .true.,
220      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
221      - replace "debugMode" with "debugLevel .GE. debLevB"
222    o implementation of TAF directives for gchem,cfc,dic
223    o remove "exp5" (replaced by tutorial_deep_convection).
224    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
225      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
226      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
227      --> changes results in exp4, seaice_obcs
228    o tutorial_deep_convection :
229      update the set-up and increase resolution and domain size ; start
230      from pseudo initial conditions = output at t=120mn in order to see
231      something happening when running testreport.
232    o pkg/seaice: add os7mp as an advection scheme
233                  add check for advection schemes
234                  add a flag for restoring T and S underneath sea ice
235    o pkg/my82: add netcdf-support and diagnostics
236    o thsice pkg:
237      - Now hsMax limits snow height by turning it into ice following
238        flooding scheme (and now conserving energy)
239      - Slight rewriting of the formula in thsice_calc_thick.F
240      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
241      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
242    
243    checkpoint59p
244    o gchem / dic / cfc :
245      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
246      - add new parameter files: "data.dic" & "data.cfc" ;
247      - various re-arrangement in initialisation & header file ;
248      - fix tutorial_global_oce_biogeo for multi-threaded test.
249    o pkg/dic: test for "pickup_dic" file when restarting ;
250      if no pickup-file, can restart with a re-initialised pH (same as it did
251      before) providing pickupStrictlyMatch is set to False.
252    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
253      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
254    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
255      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
256    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
257     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
258       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
259    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
260       scheme to use for vorticty-term ;
261     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
262       (with default selectVortScheme, return to original discretisation)
263     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
264    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
265    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
266      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
267      also fix diagnostics VISCAHW & VISCA4W.
268    
269    checkpoint59o
270    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
271    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
272      move a few statemens out the main loop into separate loops
273    o pkg/shelfice:
274      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
275        (kg/m^2/s), does not break tests, because in verification/isomip,
276        rhoConstFresh=rhoConst (by accident)
277      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
278      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
279        new file model/src/seawater.F, so that they are available for all pkgs.
280      - convert potential temperature into in-situ temperature. This changes the
281        isomip tests => update tests
282    o add a flag writePickupAtEnd (default=true) to be able to suppress
283      writing a pickup at the last timestep
284    o tools/mpack-1.6 :
285      - disable automake (not working) and autoconf (not needed).
286      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
287        also cleaner with much less compilation warnings.
288    o pkg/profiles:
289      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
290      (for "less than 32 characters name" compiler requirement)
291    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
292      conditions that have a different sampling frequency than S/T/U/V obcs
293    o pkg/diagnostics (stats-diags):
294      - fix global Min/Max in case 1 processor get only empty tiles
295    o genmake2: replace (4 times)
296         make genmake_tc_1.o >> genmake_warnings 2>&1
297      with
298         COMM="$CC $CFLAGS -c genmake_tc_1.c"
299         echo $COMM >> genmake_warnings
300         $COMM >> genmake_warnings 2>&1
301      to make genmake2 always see the value of CC as specified in the optfile.
302    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
303      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
304      - modify verification advect_cs test to test SOM-advection on CS-grid.
305    o pkg/ctrl:
306      - Rewrite of ctrl_map_ini_ecco.F,
307        introducing a generic routine (ctrl_map_ini_gen.F).
308      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
309    
310    checkpoint59n
311    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
312      number in dedicate array "hdiag":
313      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
314        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
315      - many small changes (integer format) for large number of diagnostics
316      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
317        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
318    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
319      usingSphericalGrid, this allows to define the rotated grid coordinates
320      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
321      geographical coordinates according to the inverse of the rotation defined
322      by the Euler angles, so that Coriolis parameter and online-interpolation by
323      exf works with the geographical coordinates on XC/YC/XG/YG.
324      Naturally, this feature does not work with all packages, so some
325      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
326      profiles), because there the coordinates are assumed to be regular
327      spherical grid coordinates.
328    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
329      - introduce isopycnal diffusion coefficient control.
330    o tools/adjoint_options:
331      - additional control vector components.
332    o pkg/mnc: have mnc create marginally meaning full coordinate variables
333      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
334    o pkg/mypackage:
335      - add example of read/write pickup for state-var ;
336      - add entry points to the main code for state-vars diags & write-pickup.
337    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
338      transitions for useExfYearlyFields
339      - add new subroutine that determines the file to read from for
340        use*YearlyFields = .TRUE. and .FALSE.
341      - add a verification experiment to global_with_exf that tests
342        useExfYearlyFields with USE_EXF_INTERPOLATION defined
343    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
344      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
345      subroutines (which could be generated from a template, because they are
346      almost identical), for now they are included in obcs_prescribe_read.F for
347      simplicity
348    o pkg/exf:
349      - add a little more diagnostic to exf_interp_read (in analogy to
350        mds_read_field, can be turned off with debugLevel < debugLevA=1)
351      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
352        ugly but fast by unrolling short inner loops, inserting a unroll=8
353        directive in routine lagran, and splitting a loop and making do while the
354        outermost loop (the latter requires the intoduction of index arrays)
355    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
356    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
357      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
358    o verification/seaice_obcs: updated for restart test and latest options
359    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
360      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
361      for now this is only available for the C-grid code and also within
362      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
363    
364    checkpoint59m
365    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
366      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
367    o gad_som : fix flux output (& diagnostics) to have same units as other  
368      advection scheme fluxes (was previously multiplied by deltaT).  
369    o added verification/seaice_obcs both to test seaice open boundaries
370      and to provide an example matlab scrpt for generating them
371    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
372    o pkg/salt_plume: clean up salt_plume_frac.F to
373      remove redundancy in PlumeMethod 1 and 4
374    o pkg/kpp: added saltplume diagnostics
375    o pkg/obcs and pkg/seaice:
376      - do not set uice and vice to zero when OB*icefile are unspecified
377      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
378      - moved seaice tracer obcs after call to seaice_growth
379    o pkg/salt_plume: added various options for salt plume depth
380      criterion and for vertical distribution of the salt
381    
382    checkpoint59l
383    o pkg/ptracers: new version of ptracers pickup:
384      read meta file and write only fields which are needed to restart.
385      ( same logic as main pickup file ; also using pickupStrictlyMatch )
386    o pkg/seaice:
387      - add timescale for melting due to warm mixed layer as a means of
388        setting SEAICE_availHeatFrac more conveniently
389      - add a CPP-flag/runtime parameter check for flooding algorithm
390      - reformulated availHeat in seaice_growth.F to be independent of AREA
391    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
392      unit changes
393    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
394    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
395      SX vector computer.
396    o pkg/seaice:
397      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
398        seaice forcing fields can now be read only through pkg/exf
399      - removed some unused halos
400    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
401    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
402      or U/VICE from U/VWIND before computing U/VSTRESS
403    
404    checkpoint59k
405    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
406      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
407    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
408      all experiments pass when compile with un-initialised var. checking option.
409    o added pkg/salt_plume
410    o script to test restart (for now, in MITgcm_contrib/jmc_script)
411    o pkg/seaice: new read/write pickup version.
412      read meta file and write only fields which are needed to restart.
413      ( same logic as main pickup file ; also using pickupStrictlyMatch )
414    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
415    o lab_sea.hb87: modify the domain & update output.hb87.txt :
416      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
417      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
418      process. Fixed here by closing the domain at the Northern boundary.
419    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
420    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
421      a set of consecutive levels in/from a 3-D array.
422    o pkg/ptracers:
423      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
424      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
425    
426    checkpoint59j
427    o in pkgs: dic, obcs, offline, rbcs:
428      standard way to compute coeff. for time interpolation between 2 time reccords
429      which retains full precision (& make results less dependent on compiler).
430      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
431    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
432      packages instead of reading ice cover and wind speed separately
433    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
434     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
435      to allow to compile customized code before the update)
436    o cleaning-up:
437      - fix CPP instruction syntax in pkg/obcs
438      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
439        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
440      - fix some threads issue in IO parts.
441    o pkg/dic:
442      - add tons of "_d 0" (--> much better testreports !)
443       and then update outputs of tutorial_global_oce_biogeo
444    o pkg/mom_fluxform:
445      add a special version of momentum advection intended to conserve momentum
446      next to a bathymetry step or a coastline edge. (default = off = #undef)
447    o new read/write pickup version:
448      - for now, only implemented for main (mdsio) pickup file.
449      - write out only what is needed to restart; merge pickup_nh , pickup_ph
450        and main pickup together.
451      - read meta file; read only what is needed to restart; stop if a field
452        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
453        if it make sense (even if the restart is not perfect).
454      - if no meta file, assume that pickup to read corresponds exactly to
455        a pickup that would currently be written.
456      - read pickup written in the old format (until checkpoint59i) if it
457        recognizes an old meta file (no field-list).
458      - add a meta file in exp. which starts from a pickup: 2 cases:
459        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
460         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
461        b) a meta file describing the content of the associated pickup file
462         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
463    o pkg/mdsio & pkg/rw:
464      - new routine to read a meta file ; new set of routine to read
465        Multiple-fields file (with meta file).
466    o added open boundary conditions capability for seaice
467        HSNOW, HSALT, UICE, and VICE
468    
469    checkpoint59i
470    o adjoint:
471      * fix multiDimAdvection adjoint
472        (partial recomputation problem by TAF for fVerT(:,:,kDown)
473        and comlev1 size definition (maxpass vs. max. number of tracers)
474      * verification/global_ocean.90x45x15 adjoint now tests
475        NLFS and multiDimAdvection using DST3 (=30)
476      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
477    o pkg/kpp: add "_d 0" to real constant (if missing);
478      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
479      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
480    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
481      for internal parameters related to restart process (formerly from PARAMS.h)
482      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
483    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
484      as argument. (only atm2d & obcs write_pickup have not yet been updated)
485    o pkg/monitor:
486      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
487      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
488      - account for deep Atmosphere factor and density factor (anelastic)
489    o added open boundary conditions capability for seaice HEFF and AREA
490    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
491      thermodynamics
492      - requires a little reorganization, which affects the testreport results
493        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
494        so that now the conservative form is tested
495      - add a few comments
496    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
497    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
498    o add new diagnostics to seaice: advective, diffusive fluxes (only for
499      multidim-advection, for scheme 2 they are not filled) and transports,
500      thermodynamic growth rates
501    o change units of EmPmR (inside the code, + within coupling interface)
502      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
503      Affects results @ truncation level (cg2d match) and update output of
504       experiments: lab_sea(6), global_ocean.90x40x15(10),
505      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
506      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
507      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
508      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
509    
510    checkpoint59h
511    o pkg/exf:
512      - improve vectorization by moving if-statement out of loops in
513        exf_mapfields, exf_radiation
514      - exf_bulkformulae.F: introduce 2D fields and vectorize code
515    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
516    o testreport:
517      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
518        monitor & update offline_exf_seaice exp. output.
519      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
520    o pkg/seaice:
521      - bug fix in the evp solver: boundary conditions were affected be
522        masking of zMax/zMin (changes results)
523      - minor bug fix in boundary conditions in seaice_calc_strainrates
524        (changes results for no_slip)
525      - seaice_lsr.F: make interpolation of eta dependent on boundaries
526      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
527      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
528        stress formulation and no-slip boundary conditions
529    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
530      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
531    o pkg/seaice: a first HSALT time stepping equation has been checked in
532    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
533      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
534      without requiring DO-IF statements
535    o pkg/thsice:
536      use continuous power-law function for partition of energy between lateral
537      melting/freezing and thinning/thickening ; old code using step function
538      still available with #undef THSICE_FRACEN_POWERLAW
539      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
540    o testreport: change AD testing : check against results/output_adm.txt
541      using same scripts as for forward test.
542    
543    checkpoint59g
544    o adjoint testing: in preparation for changing testreport:
545      - output format: cost and grad written on separated lines
546      - ad output results in directory "results" (instead of "results_ad")
547    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
548    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
549    o pkg/ecco: allow user defined cost function contributions
550    o testreport:
551      Allow to choose (per experiment) the list of tested output variables
552       and the main variable (used to issue a pass/FAIL ) ;
553      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
554      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
555      Also modify printing of summary:
556       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
557       b) echo the list of tested variables in the individual summary.txt of
558          each experiment.
559    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
560      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
561      (but still depend on the tile decompostion of the domain).
562    o pkg/seaice: change a discretization detail to make the B-grid code
563      "more symmetric". This change is likely to remove all "ridges/leads" that
564      where quasi-aligned with the grid in B-grid solutions. It may also be
565      the solution to the stress coupling issues with the B-grid.
566    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
567      remove .cvsignore from input dir. (since testreport no longer run here).
568    o pkg/thsice:
569     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
570     - fix reshaping of sea-ice just after advection:
571       melt all the ice only if ice-volume is too small.
572     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
573       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
574     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
575    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
576      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
577    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
578      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
579      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
580      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
581      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
582      -> update output.txt
583    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
584     this affects truncation error: -> update output.txt of exp:
585      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
586      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
587    
588    checkpoint59f
589    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
590    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
591      a bounded range (in forward mode)
592    o pkg/ecco, ctrl, autodiff and mom_common:
593     internal parameter controls, completements of implementations
594    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
595    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
596      (not seem any difference in testing results).
597    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
598       at face corners.
599    o pkg/generic_advdiff:
600     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
601      loop range indices for computing vertical advection tendency
602      and do the calculation in the interior only (no overlap) ;
603      for now, only implemented for SOM advection (to save CPU time).
604     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
605    o exch2 adjoint
606      First set of changes:
607      - add exch2 hand-written adjoint templates
608      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
609        This will require cleanup in pkg/autodiff/*.F
610        (changed routines currently kept separate in verif. code/)
611      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
612        that used to hide exch2 or cubed-sphere specific code
613        (commented via 'cph-exch2')
614    o pkg/seaice
615      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
616    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
617       output of global_ocean.cs32x15.thsice .
618    
619    checkpoint59e
620    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
621      for B-grid vector (not yet tested) and C-grid vector (<- only used
622      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
623    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
624      (#ifdef ALLOW_SALT_PLUME)
625    o gather_2d/scatter_2d: removed halo regions
626    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
627      scheme and the corresponding test case (under front_relax dir). For now,
628      only available with Skew-flux form and not yet tested in realistic set-up.
629      adjoint: store directives updated, but gradient checks deteriorated,
630      so maybe GM/Redi adjoint is now broken.
631    o seaice adjoint
632      * add AREA, HEFF, HSNOW as control variable
633        (should not change lab_sea results)
634      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
635    o pkg/seaice:
636      * added computation of saltFlux in seaice_growth;
637        For time being, sea ice salinity is assumed constant
638        contribution of snow flooding to freshening of sea ice is neglected.
639        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
640        defaults to 0.0 in order to maintain backward compatibility.
641        Typical values for SEAICE_salinity are 4 to 10 g/kg.
642      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
643      * added SEAICE_availHeatFrac, which specifies fraction of surface level
644        heat content used to melt or grow ice
645      * commented out cap of HICE: it helps keep ice thinner
646      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
647      * applied OBCS T/S mask to HEFFM sea ice mask
648    
649    checkpoint59d
650    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
651     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
652     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
653    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
654     and change default value of parameter "GM_Small_Number";
655     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
656       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
657       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
658    o pkg/ecco: cost function when applying pkg/smooth to controls
659    o pkg/ctrl: add forcingPrecond run time parameter
660    o pkg/seaice:
661     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
662     - fix bug in metric terms of u-equation in LSR solver (implicit part),
663       changes verification/lab_sea
664     - rearrange implicit part of u-equation in LSR solver to make it easier to
665       read, understand, and debug. This causes changes at the truncation level.
666     - fix (serious) bug in the boundary conditions (sign error in the implicit
667       part) of the LSR solver. Changes all LSR results.
668     - fixed problem with HSNOW initialization to avoid thick snow when AREA
669       is initilized with small values - does not change lab_sea results.
670     - added HsnowFile initialization capability
671    o pkg/smooth: addition to model/src and pkg/ctrl so allow
672     initialization of pkg/smooth and application to control vector
673    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
674    o dependencies: pkg/profiles requires pkg/cal
675    o pkg/profiles:
676     - added option ALLOW_PROFILES_GENERICGRID
677         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
678         that interpolation information (grid points and coefficients) is provided
679         within the netcdf input files.
680         -> sample matlab scripts can be found in MITgcm_contrib/gael
681         that allow you to prepare netcdf input files.
682     - also modified: cleaner include statements, cleaner error print statements,
683       cleaner stops when error, and more tests of the netcdf input files consistency.
684    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
685    o pkg/seaice:
686     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
687       requires a new routine: seaice_diagnostics_fill.F
688     - make sure that seaice does not move if not forced (pressure replacement
689       method, Hibler and Ip, 1995), changes results
690     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
691     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
692       It is turned off by default (=-1.), because it changes the results.
693     - make it possible to read AREA from a file, too.
694    
695    checkpoint59c
696    o add S/R and diagnostics for oceanic mixed-layer depth
697    o move GMRedi call after all vertical mixing schemes (including KPP)
698    o pkg/thsice:
699     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
700      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
701    o pkg/obcs:
702     - bug fix for balance code
703  o pkg/seaice:  o pkg/seaice:
704    - allow values of SEAICE_elaticParm > 1    - allow values of SEAICE_elasticParm > 1
705    - make lsr boundary conditions free slip (by default)    - add new parameter SEAICE_evpTauRelax as an alternative
706        to SEAICE_elasticParm
707      - make lsr boundary conditions free slip (by default), changes result
708    - add code for no slip boundary conditions for lsr    - add code for no slip boundary conditions for lsr
709    - set minimum of zeta to zero (and not 4e8) (changes results)    - set minimum of zeta to zero (and not 4e8) (changes results)
710      - add a cap on AREA after advecting AREA if seaice_growth is not called
711  o change calculation of Visbeck K:  o change calculation of Visbeck K:
712    - no longer depend on tapering scheme; instead, compute slope (limited    - no longer depend on tapering scheme; instead, compute slope (limited
713      by GM_maxSlope). this is equivalent to what was comuted before with      by GM_maxSlope). this is equivalent to what was comuted before with
714      clipping or linear tappering.      clipping or linear tappering.
715    - fix vertical averaging (wrong by 1 level)    - fix vertical averaging (wrong by 1/2 level)
716    - leave the old version (but will not be maintained) within    - leave the old version (but will not be maintained) within
717      #ifdef OLD_VISBECK_CALC / #endif      #ifdef OLD_VISBECK_CALC / #endif
718      - update output of exp. ideal_2D_oce
719  o change error catch in calc_r_star to improve vectorization  o change error catch in calc_r_star to improve vectorization
720  o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and  o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
721    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).    add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
722    o adjoint:
723      Re-organized adjoint checkpointing according to Matt Mazloff
724      (but with modifs/completions/cleanups)
725      Storing is now bundled into large arrays to optimized I/O
726      (and second step in cleanup of the_main_loop)
727    
728  checkpoint59b  checkpoint59b
729  o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):  o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
# Line 72  o pkg/exf: some cleaning-up: Line 777  o pkg/exf: some cleaning-up:
777  o pkg/thsice:  o pkg/thsice:
778   fix few little problems, in thsice_calc_thickn.F:   fix few little problems, in thsice_calc_thickn.F:
779    - growth vertically (and not laterally) if iceFrac == iceMaskMax    - growth vertically (and not laterally) if iceFrac == iceMaskMax
780    - melt laterally only if hIce < hThinIce (as the comments say)    - melt only laterally if hIce < hThinIce (as the comments say)
781    and in thsice_extend.F:    and in thsice_extend.F:
782    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)    - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
783    - start to form ice as soon as the minimum ice-volume is reachable.    - start to form ice as soon as the minimum ice-volume is reachable.
# Line 109  o in FFIELDS.h: Line 814  o in FFIELDS.h:
814       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
815  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
816  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
817      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
818        are no longer updating the vertical diffusivity array
819        (passed as argument) but are (re-) setting those arrays.
820  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
821    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
822      cgrid-lsr and evp solver      cgrid-lsr and evp solver

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