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revision 1.802 by jmc, Mon Apr 30 16:03:40 2007 UTC revision 1.984 by gforget, Tue Apr 29 21:43:54 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/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
8    o pkg/obcs: change default to OBCSfixTopo = .true.,
9      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
10      - replace "debugMode" with "debugLevel .GE. debLevB"
11    o implementation of TAF directives for gchem,cfc,dic
12    o remove "exp5" (replaced by tutorial_deep_convection).
13    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
14      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
15      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
16      --> changes results in exp4, seaice_obcs
17    o tutorial_deep_convection :
18      update the set-up and increase resolution and domain size ; start
19      from pseudo initial conditions = output at t=120mn in order to see
20      something happening when running testreport.
21    o pkg/seaice: add os7mp as an advection scheme
22                  add check for advection schemes
23                  add a flag for restoring T and S underneath sea ice
24    o pkg/my82: add netcdf-support and diagnostics
25    o thsice pkg:
26      - Now hsMax limits snow height by turning it into ice following
27        flooding scheme (and now conserving energy)
28      - Slight rewriting of the formula in thsice_calc_thick.F
29      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
30      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
31    
32    checkpoint59p
33    o gchem / dic / cfc :
34      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
35      - add new parameter files: "data.dic" & "data.cfc" ;
36      - various re-arrangement in initialisation & header file ;
37      - fix tutorial_global_oce_biogeo for multi-threaded test.
38    o pkg/dic: test for "pickup_dic" file when restarting ;
39      if no pickup-file, can restart with a re-initialised pH (same as it did
40      before) providing pickupStrictlyMatch is set to False.
41    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
42      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
43    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
44      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
45    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
46     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
47       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
48    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
49       scheme to use for vorticty-term ;
50     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
51       (with default selectVortScheme, return to original discretisation)
52     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
53    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
54    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
55      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
56      also fix diagnostics VISCAHW & VISCA4W.
57    
58    checkpoint59o
59    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
60    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
61      move a few statemens out the main loop into separate loops
62    o pkg/shelfice:
63      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
64        (kg/m^2/s), does not break tests, because in verification/isomip,
65        rhoConstFresh=rhoConst (by accident)
66      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
67      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
68        new file model/src/seawater.F, so that they are available for all pkgs.
69      - convert potential temperature into in-situ temperature. This changes the
70        isomip tests => update tests
71    o add a flag writePickupAtEnd (default=true) to be able to suppress
72      writing a pickup at the last timestep
73    o tools/mpack-1.6 :
74      - disable automake (not working) and autoconf (not needed).
75      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
76        also cleaner with much less compilation warnings.
77    o pkg/profiles:
78      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
79      (for "less than 32 characters name" compiler requirement)
80    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
81      conditions that have a different sampling frequency than S/T/U/V obcs
82    o pkg/diagnostics (stats-diags):
83      - fix global Min/Max in case 1 processor get only empty tiles
84    o genmake2: replace (4 times)
85         make genmake_tc_1.o >> genmake_warnings 2>&1
86      with
87         COMM="$CC $CFLAGS -c genmake_tc_1.c"
88         echo $COMM >> genmake_warnings
89         $COMM >> genmake_warnings 2>&1
90      to make genmake2 always see the value of CC as specified in the optfile.
91    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
92      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
93      - modify verification advect_cs test to test SOM-advection on CS-grid.
94    o pkg/ctrl:
95      - Rewrite of ctrl_map_ini_ecco.F,
96        introducing a generic routine (ctrl_map_ini_gen.F).
97      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
98    
99    checkpoint59n
100    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
101      number in dedicate array "hdiag":
102      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
103        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
104      - many small changes (integer format) for large number of diagnostics
105      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
106        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
107    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
108      usingSphericalGrid, this allows to define the rotated grid coordinates
109      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
110      geographical coordinates according to the inverse of the rotation defined
111      by the Euler angles, so that Coriolis parameter and online-interpolation by
112      exf works with the geographical coordinates on XC/YC/XG/YG.
113      Naturally, this feature does not work with all packages, so some
114      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
115      profiles), because there the coordinates are assumed to be regular
116      spherical grid coordinates.
117    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
118      - introduce isopycnal diffusion coefficient control.
119    o tools/adjoint_options:
120      - additional control vector components.
121    o pkg/mnc: have mnc create marginally meaning full coordinate variables
122      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
123    o pkg/mypackage:
124      - add example of read/write pickup for state-var ;
125      - add entry points to the main code for state-vars diags & write-pickup.
126    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
127      transitions for useExfYearlyFields
128      - add new subroutine that determines the file to read from for
129        use*YearlyFields = .TRUE. and .FALSE.
130      - add a verification experiment to global_with_exf that tests
131        useExfYearlyFields with USE_EXF_INTERPOLATION defined
132    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
133      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
134      subroutines (which could be generated from a template, because they are
135      almost identical), for now they are included in obcs_prescribe_read.F for
136      simplicity
137    o pkg/exf:
138      - add a little more diagnostic to exf_interp_read (in analogy to
139        mds_read_field, can be turned off with debugLevel < debugLevA=1)
140      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
141        ugly but fast by unrolling short inner loops, inserting a unroll=8
142        directive in routine lagran, and splitting a loop and making do while the
143        outermost loop (the latter requires the intoduction of index arrays)
144    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
145    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
146      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
147    o verification/seaice_obcs: updated for restart test and latest options
148    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
149      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
150      for now this is only available for the C-grid code and also within
151      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
152    
153    checkpoint59m
154    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
155      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
156    o gad_som : fix flux output (& diagnostics) to have same units as other  
157      advection scheme fluxes (was previously multiplied by deltaT).  
158    o added verification/seaice_obcs both to test seaice open boundaries
159      and to provide an example matlab scrpt for generating them
160    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
161    o pkg/salt_plume: clean up salt_plume_frac.F to
162      remove redundancy in PlumeMethod 1 and 4
163    o pkg/kpp: added saltplume diagnostics
164    o pkg/obcs and pkg/seaice:
165      - do not set uice and vice to zero when OB*icefile are unspecified
166      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
167      - moved seaice tracer obcs after call to seaice_growth
168    o pkg/salt_plume: added various options for salt plume depth
169      criterion and for vertical distribution of the salt
170    
171    checkpoint59l
172    o pkg/ptracers: new version of ptracers pickup:
173      read meta file and write only fields which are needed to restart.
174      ( same logic as main pickup file ; also using pickupStrictlyMatch )
175    o pkg/seaice:
176      - add timescale for melting due to warm mixed layer as a means of
177        setting SEAICE_availHeatFrac more conveniently
178      - add a CPP-flag/runtime parameter check for flooding algorithm
179      - reformulated availHeat in seaice_growth.F to be independent of AREA
180    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
181      unit changes
182    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
183    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
184      SX vector computer.
185    o pkg/seaice:
186      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
187        seaice forcing fields can now be read only through pkg/exf
188      - removed some unused halos
189    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
190    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
191      or U/VICE from U/VWIND before computing U/VSTRESS
192    
193    checkpoint59k
194    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
195      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
196    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
197      all experiments pass when compile with un-initialised var. checking option.
198    o added pkg/salt_plume
199    o script to test restart (for now, in MITgcm_contrib/jmc_script)
200    o pkg/seaice: new read/write pickup version.
201      read meta file and write only fields which are needed to restart.
202      ( same logic as main pickup file ; also using pickupStrictlyMatch )
203    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
204    o lab_sea.hb87: modify the domain & update output.hb87.txt :
205      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
206      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
207      process. Fixed here by closing the domain at the Northern boundary.
208    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
209    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
210      a set of consecutive levels in/from a 3-D array.
211    o pkg/ptracers:
212      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
213      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
214    
215    checkpoint59j
216    o in pkgs: dic, obcs, offline, rbcs:
217      standard way to compute coeff. for time interpolation between 2 time reccords
218      which retains full precision (& make results less dependent on compiler).
219      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
220    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
221      packages instead of reading ice cover and wind speed separately
222    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
223     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
224      to allow to compile customized code before the update)
225    o cleaning-up:
226      - fix CPP instruction syntax in pkg/obcs
227      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
228        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
229      - fix some threads issue in IO parts.
230    o pkg/dic:
231      - add tons of "_d 0" (--> much better testreports !)
232       and then update outputs of tutorial_global_oce_biogeo
233    o pkg/mom_fluxform:
234      add a special version of momentum advection intended to conserve momentum
235      next to a bathymetry step or a coastline edge. (default = off = #undef)
236    o new read/write pickup version:
237      - for now, only implemented for main (mdsio) pickup file.
238      - write out only what is needed to restart; merge pickup_nh , pickup_ph
239        and main pickup together.
240      - read meta file; read only what is needed to restart; stop if a field
241        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
242        if it make sense (even if the restart is not perfect).
243      - if no meta file, assume that pickup to read corresponds exactly to
244        a pickup that would currently be written.
245      - read pickup written in the old format (until checkpoint59i) if it
246        recognizes an old meta file (no field-list).
247      - add a meta file in exp. which starts from a pickup: 2 cases:
248        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
249         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
250        b) a meta file describing the content of the associated pickup file
251         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
252    o pkg/mdsio & pkg/rw:
253      - new routine to read a meta file ; new set of routine to read
254        Multiple-fields file (with meta file).
255    o added open boundary conditions capability for seaice
256        HSNOW, HSALT, UICE, and VICE
257    
258    checkpoint59i
259    o adjoint:
260      * fix multiDimAdvection adjoint
261        (partial recomputation problem by TAF for fVerT(:,:,kDown)
262        and comlev1 size definition (maxpass vs. max. number of tracers)
263      * verification/global_ocean.90x45x15 adjoint now tests
264        NLFS and multiDimAdvection using DST3 (=30)
265      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
266    o pkg/kpp: add "_d 0" to real constant (if missing);
267      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
268      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
269    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
270      for internal parameters related to restart process (formerly from PARAMS.h)
271      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
272    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
273      as argument. (only atm2d & obcs write_pickup have not yet been updated)
274    o pkg/monitor:
275      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
276      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
277      - account for deep Atmosphere factor and density factor (anelastic)
278    o added open boundary conditions capability for seaice HEFF and AREA
279    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
280      thermodynamics
281      - requires a little reorganization, which affects the testreport results
282        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
283        so that now the conservative form is tested
284      - add a few comments
285    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
286    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
287    o add new diagnostics to seaice: advective, diffusive fluxes (only for
288      multidim-advection, for scheme 2 they are not filled) and transports,
289      thermodynamic growth rates
290    o change units of EmPmR (inside the code, + within coupling interface)
291      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
292      Affects results @ truncation level (cg2d match) and update output of
293       experiments: lab_sea(6), global_ocean.90x40x15(10),
294      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
295      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
296      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
297      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
298    
299    checkpoint59h
300    o pkg/exf:
301      - improve vectorization by moving if-statement out of loops in
302        exf_mapfields, exf_radiation
303      - exf_bulkformulae.F: introduce 2D fields and vectorize code
304    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
305    o testreport:
306      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
307        monitor & update offline_exf_seaice exp. output.
308      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
309    o pkg/seaice:
310      - bug fix in the evp solver: boundary conditions were affected be
311        masking of zMax/zMin (changes results)
312      - minor bug fix in boundary conditions in seaice_calc_strainrates
313        (changes results for no_slip)
314      - seaice_lsr.F: make interpolation of eta dependent on boundaries
315      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
316      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
317        stress formulation and no-slip boundary conditions
318    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
319      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
320    o pkg/seaice: a first HSALT time stepping equation has been checked in
321    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
322      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
323      without requiring DO-IF statements
324    o pkg/thsice:
325      use continuous power-law function for partition of energy between lateral
326      melting/freezing and thinning/thickening ; old code using step function
327      still available with #undef THSICE_FRACEN_POWERLAW
328      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
329    o testreport: change AD testing : check against results/output_adm.txt
330      using same scripts as for forward test.
331    
332    checkpoint59g
333    o adjoint testing: in preparation for changing testreport:
334      - output format: cost and grad written on separated lines
335      - ad output results in directory "results" (instead of "results_ad")
336    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
337    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
338    o pkg/ecco: allow user defined cost function contributions
339    o testreport:
340      Allow to choose (per experiment) the list of tested output variables
341       and the main variable (used to issue a pass/FAIL ) ;
342      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
343      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
344      Also modify printing of summary:
345       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
346       b) echo the list of tested variables in the individual summary.txt of
347          each experiment.
348    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
349      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
350      (but still depend on the tile decompostion of the domain).
351    o pkg/seaice: change a discretization detail to make the B-grid code
352      "more symmetric". This change is likely to remove all "ridges/leads" that
353      where quasi-aligned with the grid in B-grid solutions. It may also be
354      the solution to the stress coupling issues with the B-grid.
355    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
356      remove .cvsignore from input dir. (since testreport no longer run here).
357    o pkg/thsice:
358     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
359     - fix reshaping of sea-ice just after advection:
360       melt all the ice only if ice-volume is too small.
361     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
362       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
363     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
364    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
365      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
366    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
367      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
368      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
369      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
370      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
371      -> update output.txt
372    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
373     this affects truncation error: -> update output.txt of exp:
374      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
375      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
376    
377    checkpoint59f
378    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
379    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
380      a bounded range (in forward mode)
381    o pkg/ecco, ctrl, autodiff and mom_common:
382     internal parameter controls, completements of implementations
383    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
384    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
385      (not seem any difference in testing results).
386    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
387       at face corners.
388    o pkg/generic_advdiff:
389     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
390      loop range indices for computing vertical advection tendency
391      and do the calculation in the interior only (no overlap) ;
392      for now, only implemented for SOM advection (to save CPU time).
393     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
394    o exch2 adjoint
395      First set of changes:
396      - add exch2 hand-written adjoint templates
397      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
398        This will require cleanup in pkg/autodiff/*.F
399        (changed routines currently kept separate in verif. code/)
400      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
401        that used to hide exch2 or cubed-sphere specific code
402        (commented via 'cph-exch2')
403    o pkg/seaice
404      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
405    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
406       output of global_ocean.cs32x15.thsice .
407    
408    checkpoint59e
409    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
410      for B-grid vector (not yet tested) and C-grid vector (<- only used
411      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
412    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
413      (#ifdef ALLOW_SALT_PLUME)
414    o gather_2d/scatter_2d: removed halo regions
415    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
416      scheme and the corresponding test case (under front_relax dir). For now,
417      only available with Skew-flux form and not yet tested in realistic set-up.
418      adjoint: store directives updated, but gradient checks deteriorated,
419      so maybe GM/Redi adjoint is now broken.
420    o seaice adjoint
421      * add AREA, HEFF, HSNOW as control variable
422        (should not change lab_sea results)
423      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
424    o pkg/seaice:
425      * added computation of saltFlux in seaice_growth;
426        For time being, sea ice salinity is assumed constant
427        contribution of snow flooding to freshening of sea ice is neglected.
428        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
429        defaults to 0.0 in order to maintain backward compatibility.
430        Typical values for SEAICE_salinity are 4 to 10 g/kg.
431      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
432      * added SEAICE_availHeatFrac, which specifies fraction of surface level
433        heat content used to melt or grow ice
434      * commented out cap of HICE: it helps keep ice thinner
435      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
436      * applied OBCS T/S mask to HEFFM sea ice mask
437    
438    checkpoint59d
439    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
440     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
441     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
442    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
443     and change default value of parameter "GM_Small_Number";
444     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
445       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
446       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
447    o pkg/ecco: cost function when applying pkg/smooth to controls
448    o pkg/ctrl: add forcingPrecond run time parameter
449    o pkg/seaice:
450     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
451     - fix bug in metric terms of u-equation in LSR solver (implicit part),
452       changes verification/lab_sea
453     - rearrange implicit part of u-equation in LSR solver to make it easier to
454       read, understand, and debug. This causes changes at the truncation level.
455     - fix (serious) bug in the boundary conditions (sign error in the implicit
456       part) of the LSR solver. Changes all LSR results.
457     - fixed problem with HSNOW initialization to avoid thick snow when AREA
458       is initilized with small values - does not change lab_sea results.
459     - added HsnowFile initialization capability
460    o pkg/smooth: addition to model/src and pkg/ctrl so allow
461     initialization of pkg/smooth and application to control vector
462    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
463    o dependencies: pkg/profiles requires pkg/cal
464    o pkg/profiles:
465     - added option ALLOW_PROFILES_GENERICGRID
466         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
467         that interpolation information (grid points and coefficients) is provided
468         within the netcdf input files.
469         -> sample matlab scripts can be found in MITgcm_contrib/gael
470         that allow you to prepare netcdf input files.
471     - also modified: cleaner include statements, cleaner error print statements,
472       cleaner stops when error, and more tests of the netcdf input files consistency.
473    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
474    o pkg/seaice:
475     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
476       requires a new routine: seaice_diagnostics_fill.F
477     - make sure that seaice does not move if not forced (pressure replacement
478       method, Hibler and Ip, 1995), changes results
479     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
480     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
481       It is turned off by default (=-1.), because it changes the results.
482     - make it possible to read AREA from a file, too.
483    
484    checkpoint59c
485    o add S/R and diagnostics for oceanic mixed-layer depth
486    o move GMRedi call after all vertical mixing schemes (including KPP)
487    o pkg/thsice:
488     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
489      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
490    o pkg/obcs:
491     - bug fix for balance code
492    o pkg/seaice:
493      - allow values of SEAICE_elasticParm > 1
494      - add new parameter SEAICE_evpTauRelax as an alternative
495        to SEAICE_elasticParm
496      - make lsr boundary conditions free slip (by default), changes result
497      - add code for no slip boundary conditions for lsr
498      - set minimum of zeta to zero (and not 4e8) (changes results)
499      - add a cap on AREA after advecting AREA if seaice_growth is not called
500    o change calculation of Visbeck K:
501      - no longer depend on tapering scheme; instead, compute slope (limited
502        by GM_maxSlope). this is equivalent to what was comuted before with
503        clipping or linear tappering.
504      - fix vertical averaging (wrong by 1/2 level)
505      - leave the old version (but will not be maintained) within
506        #ifdef OLD_VISBECK_CALC / #endif
507      - update output of exp. ideal_2D_oce
508    o change error catch in calc_r_star to improve vectorization
509    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
510      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
511    o adjoint:
512      Re-organized adjoint checkpointing according to Matt Mazloff
513      (but with modifs/completions/cleanups)
514      Storing is now bundled into large arrays to optimized I/O
515      (and second step in cleanup of the_main_loop)
516    
517    checkpoint59b
518    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
519      - export/import (between ocean & coupler) fields needed for ocean DIC.
520    o pkg/seaice:
521      - get rid of three more exchanges seaice_calc_viscosities (required
522        different loop boundaries in seaice_lsr and seaice_ocean_stress)
523      - bug fix in seaice_ocean_stress (update of lab_sea required)
524      - reduce loop boundaries to necessary minimum also in seaice_evp
525      - go back to the old way of computing deltaC/Z as the adjoint likes that
526        better
527    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
528      passive tracer to an Age Tracer) + update output.txt
529    o pkg/exf:
530      - implement A-grid / C-grid selection for wind-stress input files.
531      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
532      for now, in exf_bulk_largeyeager04.F only :
533      - change implementation for case where windspeed + 2. components wind-stress
534        are read-in. AND use rhoConstFresh to convert evap.
535    o pkg/seaice:
536      - use correct EXCH_UV for wind-forcing (on A-grid).
537      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
538        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
539    o pkg/exf:
540      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
541      EXF_INTERPOLATION:
542      - merge global_with_exf/code version of exf_interp_read.F
543        to the main code ;
544      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
545        reading the file ; Important: This options needs to be defined to recover
546        previous code.
547        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
548      - no longer loose real*8 precision along the way when using exf_iprec=64.
549    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
550      - change discretisation of evp-solver in order to avoid another exchange
551        (changes lab_sea) and clean up a little
552      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
553        help the adjoint (this also changes the results slightly)
554      - add a few "_d 0" where they had been missing in seaice_evp.F
555      - cleaning up: remove unused seaice_calc_rhs.F
556    o pkg/exf: some cleaning-up:
557      - change various "constants" into runtime parameters
558      - cleaned-up Large&Yeager04 routine which should eventually
559        replace exf_bulkformulae.F (changed names of S/R and CPP)
560        and merged various ALLOW_ATM_WIND options
561     only used with thsice pkg (in thsice_get_exf.F):
562      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
563        which are used when useStabilityFct_overIce=TRUE (= the default)
564      - change default values of ice & snow emissivity and scale downward LW
565        by ice & snow emissivity.
566    o pkg/thsice:
567     fix few little problems, in thsice_calc_thickn.F:
568      - growth vertically (and not laterally) if iceFrac == iceMaskMax
569      - melt only laterally if hIce < hThinIce (as the comments say)
570      and in thsice_extend.F:
571      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
572      - start to form ice as soon as the minimum ice-volume is reachable.
573     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
574      and cpl_aim+ocn
575    o pkg/kpp
576     - move computation of surface related input fields to KPP into a new
577       subroutine kpp_forcing_surf.F
578     - remove wrong (within bi,bj loops) EXCH calls.
579     - little cleaning (add argument myThid in last position, cvs header ...)
580     - for now, fix conservation problem by exchanging KPPviscAz (may not
581       be the best fix)
582    o pkg/seaice
583     - check for inconsistent evp parameter/cpp-flag combination
584     - remove leftover errIO flat for obsolete name list error handling
585    o OpenAD
586     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
587    
588    checkpoint59a
589    o pkg/seaice: some parameter clarifications and a little bit of clean up
590  o pkg/thsice: rename run-time parameters:  o pkg/thsice: rename run-time parameters:
591     himin       -> hIceMin     himin       -> hIceMin
592     himin0      -> hThinIce     himin0      -> hThinIce
# Line 20  o in FFIELDS.h: Line 603  o in FFIELDS.h:
603       ATMOSPHERIC_LOADING is #define).       ATMOSPHERIC_LOADING is #define).
604  o pkg/kpp: replaced _KPP_RL with _RL  o pkg/kpp: replaced _KPP_RL with _RL
605  o bug fixes for vertical diffusivity computations when both KPP and  o bug fixes for vertical diffusivity computations when both KPP and
606      3D diffusivity arrays are used.      3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
607        are no longer updating the vertical diffusivity array
608        (passed as argument) but are (re-) setting those arrays.
609  o pkg/seaice: fix bug in evp solver, while doing that  o pkg/seaice: fix bug in evp solver, while doing that
610    - change (improve?) discretization of stress computations for both    - change (improve?) discretization of stress computations for both
611      cgrid-lsr and evp solver      cgrid-lsr and evp solver
# Line 40  o pkg/seaice: fix bug in evp solver, whi Line 625  o pkg/seaice: fix bug in evp solver, whi
625      of evp, complete rewrite for lsr case (latter is does not yet work      of evp, complete rewrite for lsr case (latter is does not yet work
626      in all cases)      in all cases)
627  o pkg/kpp: add code to have mixing in shelf ice caverns  o pkg/kpp: add code to have mixing in shelf ice caverns
628      - add myThid to all kpp routines (long overdue)
629    
630  checkpoint59  checkpoint59
631  o pkg/exf:  o pkg/exf:

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