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revision 1.733 by jmc, Tue Oct 17 19:08:57 2006 UTC revision 1.1014 by jmc, Mon Aug 11 22:45:14 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 change FIND_RHO to FIND_RHO_2D :
8      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
9    o new pkg: cheapaml
10    
11    checkpoint61b
12    o exch2:
13      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
14      - no longer depend on the order sequence (N,S,E,W).
15      - 3rd exchange no longer needed (tested with 24 tiles).
16      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
17      - exch_UV_A-grid readily available (but not yet tested).
18      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
19      (both are no longer needed) in exch_uv: no effect in forward run; but
20       get truncation error differences with adjoint exch.
21    o exch2:
22     - change index-bounds storage (moved from target to local tile,
23       more intuitive this way) ; rename/remove some variables.
24     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
25    
26    checkpoint61a
27    o exch2/matlab-topology-generator:
28      fix bug in index bounds for N-S internal exchange (hard to tell if this
29      had any effect on the solution).
30    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
31      is exceeded
32    o testreport: modify syntax of awk, so that it works also with
33      awk, and not only with nawk and gawk
34    
35    checkpoint61
36    o autodiff
37      Change default for TAF usage by removing argument '-nonew_arg'
38      This changes TAF subroutine argument list (ordering of active var.)
39      Omission of this flag leads to incompatibility w.r.t. TAMC
40      To restore TAMC-compatibility, need following modifs:
41      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
42      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
43      Tested TAF version is 1.9.22
44      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
45    
46    checkpoint60
47    --->>> This is the last checkpoint for which generating the adjoint
48    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
49    --->>> by default.
50    --->>> Future checkpoints will ommit this flag by default.
51    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
52    o pkg/grdchk: Add gradient check to etan0 perturbations.
53    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
54    o pkg/autodiff: more flexibility in zeroadj.
55      model/src: modifying do_oceanic_phys.F accordingly.
56    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
57    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
58      special setup of gmredi for which the adjoint is stable
59      enough for parameter optimization.
60    o bridging the gap between eddy stress and GM.
61      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
62          along with a change in CPP option (now ALLOW_EDDYPSI).
63      -> when using GM w/ GM_AdvForm:
64          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
65          is applied either in the tracer Eq. or in momentum Eq.
66          depending on data.gmredi (intro. GM_InMomAsStress).
67      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
68      The key modifications are in model/src/taueddy_external_forcing.F
69      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
70    
71    checkpoint59r
72    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
73      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
74      fix option to read coriolis(@ cell-corner) from files with CS-grid.
75    o pkg/mnc: add some attributes to standard 1D-coordinate variables
76    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
77      mass points, when using mnc for output
78      - add runtime parameter (missing_value, missing_value_int) to override
79        default (which is the value of getcon('UNDEF'))
80    o pkg/mnc: prepare mnc for the actual use of missing values with the
81      diagnostics package: small fix in mnc_cw_readwrite.template and more
82      initialisation of never used fields
83      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
84      versions
85    o pkg/thsice/thsice_ini_vars.F added default initial values so that
86      thermodynamics sea ice solver does not blow up when some initial fields
87      are missing.
88    o move from external_forcing_surf.F to ini_forcing.F
89      the p-coord. hack consisting in using pLoad to set phi0surf ;
90      update output of tutorial_global_oce_in_p (affected @ truncation level).
91    o Freshen up a bit hs94.1x64x5, notably:
92      remove rotationPeriod and tRef=5*0. (adjoint only), and add
93      exactConserv=.TRUE.
94    o pkg/generic_advdiff:
95      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
96      applies to files where Temperature & Salinity 2nd Order moments are used.
97    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
98      this uses a dynamically allocated internal state data structure
99      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
100      and requires a fortran 90 compiler
101    
102    checkpoint59q
103    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
104       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
105    o Refresh tutorial_global_oce_biogeo, notably:
106      - change bathymetry (put back seamounts in ACC, use hFacs)
107      - change EOS (POLY3 --> JMD95Z)
108      - use Bryan-Lewis vertical diffusivity
109      - use multidimensional advection
110      - remove old virtual virtual in dic pkg, now done through ptracer pkg
111      - change a couple of parameters in dic pkg
112    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
113    o pkg/obcs: change default to OBCSfixTopo = .true.,
114      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
115      - replace "debugMode" with "debugLevel .GE. debLevB"
116    o implementation of TAF directives for gchem,cfc,dic
117    o remove "exp5" (replaced by tutorial_deep_convection).
118    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
119      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
120      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
121      --> changes results in exp4, seaice_obcs
122    o tutorial_deep_convection :
123      update the set-up and increase resolution and domain size ; start
124      from pseudo initial conditions = output at t=120mn in order to see
125      something happening when running testreport.
126    o pkg/seaice: add os7mp as an advection scheme
127                  add check for advection schemes
128                  add a flag for restoring T and S underneath sea ice
129    o pkg/my82: add netcdf-support and diagnostics
130    o thsice pkg:
131      - Now hsMax limits snow height by turning it into ice following
132        flooding scheme (and now conserving energy)
133      - Slight rewriting of the formula in thsice_calc_thick.F
134      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
135      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
136    
137    checkpoint59p
138    o gchem / dic / cfc :
139      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
140      - add new parameter files: "data.dic" & "data.cfc" ;
141      - various re-arrangement in initialisation & header file ;
142      - fix tutorial_global_oce_biogeo for multi-threaded test.
143    o pkg/dic: test for "pickup_dic" file when restarting ;
144      if no pickup-file, can restart with a re-initialised pH (same as it did
145      before) providing pickupStrictlyMatch is set to False.
146    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
147      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
148    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
149      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
150    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
151     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
152       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
153    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
154       scheme to use for vorticty-term ;
155     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
156       (with default selectVortScheme, return to original discretisation)
157     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
158    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
159    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
160      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
161      also fix diagnostics VISCAHW & VISCA4W.
162    
163    checkpoint59o
164    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
165    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
166      move a few statemens out the main loop into separate loops
167    o pkg/shelfice:
168      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
169        (kg/m^2/s), does not break tests, because in verification/isomip,
170        rhoConstFresh=rhoConst (by accident)
171      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
172      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
173        new file model/src/seawater.F, so that they are available for all pkgs.
174      - convert potential temperature into in-situ temperature. This changes the
175        isomip tests => update tests
176    o add a flag writePickupAtEnd (default=true) to be able to suppress
177      writing a pickup at the last timestep
178    o tools/mpack-1.6 :
179      - disable automake (not working) and autoconf (not needed).
180      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
181        also cleaner with much less compilation warnings.
182    o pkg/profiles:
183      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
184      (for "less than 32 characters name" compiler requirement)
185    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
186      conditions that have a different sampling frequency than S/T/U/V obcs
187    o pkg/diagnostics (stats-diags):
188      - fix global Min/Max in case 1 processor get only empty tiles
189    o genmake2: replace (4 times)
190         make genmake_tc_1.o >> genmake_warnings 2>&1
191      with
192         COMM="$CC $CFLAGS -c genmake_tc_1.c"
193         echo $COMM >> genmake_warnings
194         $COMM >> genmake_warnings 2>&1
195      to make genmake2 always see the value of CC as specified in the optfile.
196    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
197      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
198      - modify verification advect_cs test to test SOM-advection on CS-grid.
199    o pkg/ctrl:
200      - Rewrite of ctrl_map_ini_ecco.F,
201        introducing a generic routine (ctrl_map_ini_gen.F).
202      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
203    
204    checkpoint59n
205    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
206      number in dedicate array "hdiag":
207      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
208        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
209      - many small changes (integer format) for large number of diagnostics
210      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
211        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
212    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
213      usingSphericalGrid, this allows to define the rotated grid coordinates
214      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
215      geographical coordinates according to the inverse of the rotation defined
216      by the Euler angles, so that Coriolis parameter and online-interpolation by
217      exf works with the geographical coordinates on XC/YC/XG/YG.
218      Naturally, this feature does not work with all packages, so some
219      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
220      profiles), because there the coordinates are assumed to be regular
221      spherical grid coordinates.
222    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
223      - introduce isopycnal diffusion coefficient control.
224    o tools/adjoint_options:
225      - additional control vector components.
226    o pkg/mnc: have mnc create marginally meaning full coordinate variables
227      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
228    o pkg/mypackage:
229      - add example of read/write pickup for state-var ;
230      - add entry points to the main code for state-vars diags & write-pickup.
231    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
232      transitions for useExfYearlyFields
233      - add new subroutine that determines the file to read from for
234        use*YearlyFields = .TRUE. and .FALSE.
235      - add a verification experiment to global_with_exf that tests
236        useExfYearlyFields with USE_EXF_INTERPOLATION defined
237    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
238      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
239      subroutines (which could be generated from a template, because they are
240      almost identical), for now they are included in obcs_prescribe_read.F for
241      simplicity
242    o pkg/exf:
243      - add a little more diagnostic to exf_interp_read (in analogy to
244        mds_read_field, can be turned off with debugLevel < debugLevA=1)
245      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
246        ugly but fast by unrolling short inner loops, inserting a unroll=8
247        directive in routine lagran, and splitting a loop and making do while the
248        outermost loop (the latter requires the intoduction of index arrays)
249    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
250    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
251      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
252    o verification/seaice_obcs: updated for restart test and latest options
253    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
254      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
255      for now this is only available for the C-grid code and also within
256      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
257    
258    checkpoint59m
259    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
260      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
261    o gad_som : fix flux output (& diagnostics) to have same units as other  
262      advection scheme fluxes (was previously multiplied by deltaT).  
263    o added verification/seaice_obcs both to test seaice open boundaries
264      and to provide an example matlab scrpt for generating them
265    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
266    o pkg/salt_plume: clean up salt_plume_frac.F to
267      remove redundancy in PlumeMethod 1 and 4
268    o pkg/kpp: added saltplume diagnostics
269    o pkg/obcs and pkg/seaice:
270      - do not set uice and vice to zero when OB*icefile are unspecified
271      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
272      - moved seaice tracer obcs after call to seaice_growth
273    o pkg/salt_plume: added various options for salt plume depth
274      criterion and for vertical distribution of the salt
275    
276    checkpoint59l
277    o pkg/ptracers: new version of ptracers pickup:
278      read meta file and write only fields which are needed to restart.
279      ( same logic as main pickup file ; also using pickupStrictlyMatch )
280    o pkg/seaice:
281      - add timescale for melting due to warm mixed layer as a means of
282        setting SEAICE_availHeatFrac more conveniently
283      - add a CPP-flag/runtime parameter check for flooding algorithm
284      - reformulated availHeat in seaice_growth.F to be independent of AREA
285    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
286      unit changes
287    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
288    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
289      SX vector computer.
290    o pkg/seaice:
291      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
292        seaice forcing fields can now be read only through pkg/exf
293      - removed some unused halos
294    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
295    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
296      or U/VICE from U/VWIND before computing U/VSTRESS
297    
298    checkpoint59k
299    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
300      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
301    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
302      all experiments pass when compile with un-initialised var. checking option.
303    o added pkg/salt_plume
304    o script to test restart (for now, in MITgcm_contrib/jmc_script)
305    o pkg/seaice: new read/write pickup version.
306      read meta file and write only fields which are needed to restart.
307      ( same logic as main pickup file ; also using pickupStrictlyMatch )
308    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
309    o lab_sea.hb87: modify the domain & update output.hb87.txt :
310      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
311      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
312      process. Fixed here by closing the domain at the Northern boundary.
313    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
314    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
315      a set of consecutive levels in/from a 3-D array.
316    o pkg/ptracers:
317      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
318      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
319    
320    checkpoint59j
321    o in pkgs: dic, obcs, offline, rbcs:
322      standard way to compute coeff. for time interpolation between 2 time reccords
323      which retains full precision (& make results less dependent on compiler).
324      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
325    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
326      packages instead of reading ice cover and wind speed separately
327    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
328     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
329      to allow to compile customized code before the update)
330    o cleaning-up:
331      - fix CPP instruction syntax in pkg/obcs
332      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
333        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
334      - fix some threads issue in IO parts.
335    o pkg/dic:
336      - add tons of "_d 0" (--> much better testreports !)
337       and then update outputs of tutorial_global_oce_biogeo
338    o pkg/mom_fluxform:
339      add a special version of momentum advection intended to conserve momentum
340      next to a bathymetry step or a coastline edge. (default = off = #undef)
341    o new read/write pickup version:
342      - for now, only implemented for main (mdsio) pickup file.
343      - write out only what is needed to restart; merge pickup_nh , pickup_ph
344        and main pickup together.
345      - read meta file; read only what is needed to restart; stop if a field
346        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
347        if it make sense (even if the restart is not perfect).
348      - if no meta file, assume that pickup to read corresponds exactly to
349        a pickup that would currently be written.
350      - read pickup written in the old format (until checkpoint59i) if it
351        recognizes an old meta file (no field-list).
352      - add a meta file in exp. which starts from a pickup: 2 cases:
353        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
354         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
355        b) a meta file describing the content of the associated pickup file
356         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
357    o pkg/mdsio & pkg/rw:
358      - new routine to read a meta file ; new set of routine to read
359        Multiple-fields file (with meta file).
360    o added open boundary conditions capability for seaice
361        HSNOW, HSALT, UICE, and VICE
362    
363    checkpoint59i
364    o adjoint:
365      * fix multiDimAdvection adjoint
366        (partial recomputation problem by TAF for fVerT(:,:,kDown)
367        and comlev1 size definition (maxpass vs. max. number of tracers)
368      * verification/global_ocean.90x45x15 adjoint now tests
369        NLFS and multiDimAdvection using DST3 (=30)
370      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
371    o pkg/kpp: add "_d 0" to real constant (if missing);
372      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
373      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
374    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
375      for internal parameters related to restart process (formerly from PARAMS.h)
376      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
377    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
378      as argument. (only atm2d & obcs write_pickup have not yet been updated)
379    o pkg/monitor:
380      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
381      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
382      - account for deep Atmosphere factor and density factor (anelastic)
383    o added open boundary conditions capability for seaice HEFF and AREA
384    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
385      thermodynamics
386      - requires a little reorganization, which affects the testreport results
387        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
388        so that now the conservative form is tested
389      - add a few comments
390    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
391    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
392    o add new diagnostics to seaice: advective, diffusive fluxes (only for
393      multidim-advection, for scheme 2 they are not filled) and transports,
394      thermodynamic growth rates
395    o change units of EmPmR (inside the code, + within coupling interface)
396      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
397      Affects results @ truncation level (cg2d match) and update output of
398       experiments: lab_sea(6), global_ocean.90x40x15(10),
399      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
400      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
401      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
402      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
403    
404    checkpoint59h
405    o pkg/exf:
406      - improve vectorization by moving if-statement out of loops in
407        exf_mapfields, exf_radiation
408      - exf_bulkformulae.F: introduce 2D fields and vectorize code
409    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
410    o testreport:
411      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
412        monitor & update offline_exf_seaice exp. output.
413      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
414    o pkg/seaice:
415      - bug fix in the evp solver: boundary conditions were affected be
416        masking of zMax/zMin (changes results)
417      - minor bug fix in boundary conditions in seaice_calc_strainrates
418        (changes results for no_slip)
419      - seaice_lsr.F: make interpolation of eta dependent on boundaries
420      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
421      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
422        stress formulation and no-slip boundary conditions
423    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
424      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
425    o pkg/seaice: a first HSALT time stepping equation has been checked in
426    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
427      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
428      without requiring DO-IF statements
429    o pkg/thsice:
430      use continuous power-law function for partition of energy between lateral
431      melting/freezing and thinning/thickening ; old code using step function
432      still available with #undef THSICE_FRACEN_POWERLAW
433      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
434    o testreport: change AD testing : check against results/output_adm.txt
435      using same scripts as for forward test.
436    
437    checkpoint59g
438    o adjoint testing: in preparation for changing testreport:
439      - output format: cost and grad written on separated lines
440      - ad output results in directory "results" (instead of "results_ad")
441    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
442    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
443    o pkg/ecco: allow user defined cost function contributions
444    o testreport:
445      Allow to choose (per experiment) the list of tested output variables
446       and the main variable (used to issue a pass/FAIL ) ;
447      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
448      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
449      Also modify printing of summary:
450       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
451       b) echo the list of tested variables in the individual summary.txt of
452          each experiment.
453    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
454      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
455      (but still depend on the tile decompostion of the domain).
456    o pkg/seaice: change a discretization detail to make the B-grid code
457      "more symmetric". This change is likely to remove all "ridges/leads" that
458      where quasi-aligned with the grid in B-grid solutions. It may also be
459      the solution to the stress coupling issues with the B-grid.
460    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
461      remove .cvsignore from input dir. (since testreport no longer run here).
462    o pkg/thsice:
463     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
464     - fix reshaping of sea-ice just after advection:
465       melt all the ice only if ice-volume is too small.
466     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
467       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
468     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
469    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
470      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
471    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
472      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
473      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
474      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
475      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
476      -> update output.txt
477    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
478     this affects truncation error: -> update output.txt of exp:
479      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
480      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
481    
482    checkpoint59f
483    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
484    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
485      a bounded range (in forward mode)
486    o pkg/ecco, ctrl, autodiff and mom_common:
487     internal parameter controls, completements of implementations
488    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
489    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
490      (not seem any difference in testing results).
491    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
492       at face corners.
493    o pkg/generic_advdiff:
494     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
495      loop range indices for computing vertical advection tendency
496      and do the calculation in the interior only (no overlap) ;
497      for now, only implemented for SOM advection (to save CPU time).
498     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
499    o exch2 adjoint
500      First set of changes:
501      - add exch2 hand-written adjoint templates
502      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
503        This will require cleanup in pkg/autodiff/*.F
504        (changed routines currently kept separate in verif. code/)
505      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
506        that used to hide exch2 or cubed-sphere specific code
507        (commented via 'cph-exch2')
508    o pkg/seaice
509      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
510    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
511       output of global_ocean.cs32x15.thsice .
512    
513    checkpoint59e
514    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
515      for B-grid vector (not yet tested) and C-grid vector (<- only used
516      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
517    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
518      (#ifdef ALLOW_SALT_PLUME)
519    o gather_2d/scatter_2d: removed halo regions
520    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
521      scheme and the corresponding test case (under front_relax dir). For now,
522      only available with Skew-flux form and not yet tested in realistic set-up.
523      adjoint: store directives updated, but gradient checks deteriorated,
524      so maybe GM/Redi adjoint is now broken.
525    o seaice adjoint
526      * add AREA, HEFF, HSNOW as control variable
527        (should not change lab_sea results)
528      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
529    o pkg/seaice:
530      * added computation of saltFlux in seaice_growth;
531        For time being, sea ice salinity is assumed constant
532        contribution of snow flooding to freshening of sea ice is neglected.
533        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
534        defaults to 0.0 in order to maintain backward compatibility.
535        Typical values for SEAICE_salinity are 4 to 10 g/kg.
536      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
537      * added SEAICE_availHeatFrac, which specifies fraction of surface level
538        heat content used to melt or grow ice
539      * commented out cap of HICE: it helps keep ice thinner
540      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
541      * applied OBCS T/S mask to HEFFM sea ice mask
542    
543    checkpoint59d
544    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
545     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
546     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
547    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
548     and change default value of parameter "GM_Small_Number";
549     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
550       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
551       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
552    o pkg/ecco: cost function when applying pkg/smooth to controls
553    o pkg/ctrl: add forcingPrecond run time parameter
554    o pkg/seaice:
555     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
556     - fix bug in metric terms of u-equation in LSR solver (implicit part),
557       changes verification/lab_sea
558     - rearrange implicit part of u-equation in LSR solver to make it easier to
559       read, understand, and debug. This causes changes at the truncation level.
560     - fix (serious) bug in the boundary conditions (sign error in the implicit
561       part) of the LSR solver. Changes all LSR results.
562     - fixed problem with HSNOW initialization to avoid thick snow when AREA
563       is initilized with small values - does not change lab_sea results.
564     - added HsnowFile initialization capability
565    o pkg/smooth: addition to model/src and pkg/ctrl so allow
566     initialization of pkg/smooth and application to control vector
567    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
568    o dependencies: pkg/profiles requires pkg/cal
569    o pkg/profiles:
570     - added option ALLOW_PROFILES_GENERICGRID
571         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
572         that interpolation information (grid points and coefficients) is provided
573         within the netcdf input files.
574         -> sample matlab scripts can be found in MITgcm_contrib/gael
575         that allow you to prepare netcdf input files.
576     - also modified: cleaner include statements, cleaner error print statements,
577       cleaner stops when error, and more tests of the netcdf input files consistency.
578    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
579    o pkg/seaice:
580     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
581       requires a new routine: seaice_diagnostics_fill.F
582     - make sure that seaice does not move if not forced (pressure replacement
583       method, Hibler and Ip, 1995), changes results
584     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
585     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
586       It is turned off by default (=-1.), because it changes the results.
587     - make it possible to read AREA from a file, too.
588    
589    checkpoint59c
590    o add S/R and diagnostics for oceanic mixed-layer depth
591    o move GMRedi call after all vertical mixing schemes (including KPP)
592    o pkg/thsice:
593     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
594      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
595    o pkg/obcs:
596     - bug fix for balance code
597    o pkg/seaice:
598      - allow values of SEAICE_elasticParm > 1
599      - add new parameter SEAICE_evpTauRelax as an alternative
600        to SEAICE_elasticParm
601      - make lsr boundary conditions free slip (by default), changes result
602      - add code for no slip boundary conditions for lsr
603      - set minimum of zeta to zero (and not 4e8) (changes results)
604      - add a cap on AREA after advecting AREA if seaice_growth is not called
605    o change calculation of Visbeck K:
606      - no longer depend on tapering scheme; instead, compute slope (limited
607        by GM_maxSlope). this is equivalent to what was comuted before with
608        clipping or linear tappering.
609      - fix vertical averaging (wrong by 1/2 level)
610      - leave the old version (but will not be maintained) within
611        #ifdef OLD_VISBECK_CALC / #endif
612      - update output of exp. ideal_2D_oce
613    o change error catch in calc_r_star to improve vectorization
614    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
615      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
616    o adjoint:
617      Re-organized adjoint checkpointing according to Matt Mazloff
618      (but with modifs/completions/cleanups)
619      Storing is now bundled into large arrays to optimized I/O
620      (and second step in cleanup of the_main_loop)
621    
622    checkpoint59b
623    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
624      - export/import (between ocean & coupler) fields needed for ocean DIC.
625    o pkg/seaice:
626      - get rid of three more exchanges seaice_calc_viscosities (required
627        different loop boundaries in seaice_lsr and seaice_ocean_stress)
628      - bug fix in seaice_ocean_stress (update of lab_sea required)
629      - reduce loop boundaries to necessary minimum also in seaice_evp
630      - go back to the old way of computing deltaC/Z as the adjoint likes that
631        better
632    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
633      passive tracer to an Age Tracer) + update output.txt
634    o pkg/exf:
635      - implement A-grid / C-grid selection for wind-stress input files.
636      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
637      for now, in exf_bulk_largeyeager04.F only :
638      - change implementation for case where windspeed + 2. components wind-stress
639        are read-in. AND use rhoConstFresh to convert evap.
640    o pkg/seaice:
641      - use correct EXCH_UV for wind-forcing (on A-grid).
642      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
643        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
644    o pkg/exf:
645      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
646      EXF_INTERPOLATION:
647      - merge global_with_exf/code version of exf_interp_read.F
648        to the main code ;
649      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
650        reading the file ; Important: This options needs to be defined to recover
651        previous code.
652        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
653      - no longer loose real*8 precision along the way when using exf_iprec=64.
654    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
655      - change discretisation of evp-solver in order to avoid another exchange
656        (changes lab_sea) and clean up a little
657      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
658        help the adjoint (this also changes the results slightly)
659      - add a few "_d 0" where they had been missing in seaice_evp.F
660      - cleaning up: remove unused seaice_calc_rhs.F
661    o pkg/exf: some cleaning-up:
662      - change various "constants" into runtime parameters
663      - cleaned-up Large&Yeager04 routine which should eventually
664        replace exf_bulkformulae.F (changed names of S/R and CPP)
665        and merged various ALLOW_ATM_WIND options
666     only used with thsice pkg (in thsice_get_exf.F):
667      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
668        which are used when useStabilityFct_overIce=TRUE (= the default)
669      - change default values of ice & snow emissivity and scale downward LW
670        by ice & snow emissivity.
671    o pkg/thsice:
672     fix few little problems, in thsice_calc_thickn.F:
673      - growth vertically (and not laterally) if iceFrac == iceMaskMax
674      - melt only laterally if hIce < hThinIce (as the comments say)
675      and in thsice_extend.F:
676      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
677      - start to form ice as soon as the minimum ice-volume is reachable.
678     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
679      and cpl_aim+ocn
680    o pkg/kpp
681     - move computation of surface related input fields to KPP into a new
682       subroutine kpp_forcing_surf.F
683     - remove wrong (within bi,bj loops) EXCH calls.
684     - little cleaning (add argument myThid in last position, cvs header ...)
685     - for now, fix conservation problem by exchanging KPPviscAz (may not
686       be the best fix)
687    o pkg/seaice
688     - check for inconsistent evp parameter/cpp-flag combination
689     - remove leftover errIO flat for obsolete name list error handling
690    o OpenAD
691     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
692    
693    checkpoint59a
694    o pkg/seaice: some parameter clarifications and a little bit of clean up
695    o pkg/thsice: rename run-time parameters:
696       himin       -> hIceMin
697       himin0      -> hThinIce
698       hihig       -> hThickIce
699       i0          -> i0swFrac
700       transCoef   -> bMeltCoef
701       frac_energy -> fracMelting
702      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
703       with default values (for now) that do not change the results.
704      remove old version of thsice vars advection in pkg/seaice.
705    o in FFIELDS.h:
706      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
707      - make pLoad & sIceLoad always available (but still only used if
708         ATMOSPHERIC_LOADING is #define).
709    o pkg/kpp: replaced _KPP_RL with _RL
710    o bug fixes for vertical diffusivity computations when both KPP and
711        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
712        are no longer updating the vertical diffusivity array
713        (passed as argument) but are (re-) setting those arrays.
714    o pkg/seaice: fix bug in evp solver, while doing that
715      - change (improve?) discretization of stress computations for both
716        cgrid-lsr and evp solver
717      - add a new routine to compute strain rates
718      - the above changes lab_sea results
719      - add no slip conditions for evp solver (off by default), lsr-version
720        may follow
721      - fix exchange for shear at Z-points (does not change lab_sea)
722      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
723        (to force the user to pick a time step since there is not "safe" way
724        of choosing it)
725      - add principal stress diagnostics
726      - rearrange fields for evp a little to avoid having to call a: too many
727        exchanges and b: exchanges for stress trensor components which we do
728        not have.
729      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
730        of evp, complete rewrite for lsr case (latter is does not yet work
731        in all cases)
732    o pkg/kpp: add code to have mixing in shelf ice caverns
733      - add myThid to all kpp routines (long overdue)
734    
735    checkpoint59
736    o pkg/exf:
737      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
738        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
739      - move exf header files from lower_case.h to UPPER_CASE.h ;
740        add missing cvs Header & Name
741      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
742      - add namelist param. selectStressGridPosition, exf_monFreq
743      - retire many _CLIM routines, and remove data.exf_clim
744        + params moved to data.exf
745        + climsst, climsss now handled by exf_set_gen, i.e.
746          climss?period=0 refers to constant field,
747          climss?period=-12 to monthly forcing
748      - split up namelists in data.exf
749    o pkg/seaice:
750      - remove seaice_exch and seaice_exch_uv
751      - remove superfluous exchange of theta
752      - add myThid to seaice_budget_ocean/ice
753      - add new interface for atmospheric wind forcing (C-grid only)
754        + new routine
755        + two new field (taux, tauy for stress over ice)
756        + removed one global field (DAIRN) for C-grid case only
757    o pkg/thsise
758      - 2nd set of modifs for thsice adjoint in conjunction with exf
759    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
760    
761    checkpoint58y_post
762    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
763      vertical diffusivity, similar to that in MOM4; turned on using
764      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
765      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
766    o Added capability for 3D specification of background vertical diffusion
767      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
768      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
769      "data" file that contains the 3D vertical diffusivity coefficients.
770    o ice dynamics (pkg/seaice) with thsice thermodynamics:
771      - add code within pkg thsice to advect & diffuse sea-ice fields
772      similar to (and will replace) what has been added in  seaice_advdiff.F,
773      but: - conserving Mass, Heat & Salt.
774           - better when using non-linear advection scheme (not yet fully tested)
775           - can also be used in atmospheric set-up (for now, only the diffusion).
776    
777    checkpoint58x_post
778    o IO option for global-file compact format:
779      - add options when generating topology (utils/exch2/matlab-topology-generator)
780      - add I/O capability (pkg/mdsio).
781      - adapt utils/matlab/rdmds.m to read this format.
782      for now long-line format not yet supported by pkg/mdsio (& exch2).
783    o shelfice: add a few diagnostics
784    
785    checkpoint58w_post
786    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
787      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
788      (and replace horiVertRatio in NH code).
789      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
790                         and tutorial_plume_on_slope (sensitive to truncation)
791    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
792      directly to drive seaice model (C-grid only)
793    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
794     - reintroduce computation of wind from stress,
795     - compute tau (in exf_bulkformulae.F) from windstress averaged to
796       mass points to avoid tau = 0
797     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
798    o rdmnc.m: make it work with "global" files created with gluemnc
799    o rdmnc.m : some improvements in dealing with singleton dimension
800      (tested on all testreport mnc output files).
801    o genmake2: disable pkg/profiles if netcdf test fails.
802    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
803    o move call to cal_readparms up to make calendar parameters/variable available
804      to all packages
805    
806    checkpoint58v_post
807    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
808      useDynP_inEos_Zc tested.
809    o pkg/exf: changes to properly interpolate/mask/scale initial fields
810    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
811      and portions thereof.  See read_cs.txt for description and examples.
812    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
813      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
814      following the great-circle arc between those 2 points.
815    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
816      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
817    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
818     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
819     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
820     - still needs work (not working with some options ; efficiency to improve)
821       and serious testing.
822     - use this scheme for temperature & salinity in 2 advection test exp.:
823       advect_xy & advect_xz, respectively.
824    
825    checkpoint58u_post
826    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
827    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
828    o testreport: add option "-skipdir" to skip some test.
829    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
830      momentum calculation.
831    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
832    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
833      remove checkpoint.F and the_correction_step.F (no longer used);
834      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
835    o add option (linFSConserveTr) to correct for tracer source/sink due to
836      Linear Free surface
837    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
838    o pkg/thsice: fix reading mnc-pickups
839    
840    checkpoint58t_post
841    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
842    o pkg/mdsio:
843     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
844       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
845       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
846     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
847     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
848       either MDS_READ_FIELD or MDS_WRITE_FIELD )
849     - new S/R (to replace MDSWRITEMETA), which allows to write more
850       informations (variable names, time ...) to meta files.
851     - modify rdmds.m to give back the meta file content.
852    o pkg/diagnostics: change vertical interpolation to be safer, and more
853       flexible (define p-levels to interpolate to in data.diagnostics);
854      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
855       diagnostic pointer.
856    o pkg/seaice: more cleaning up of seaice_growth, added many comments
857    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
858    o fix multi-category seaice:
859     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
860       SEAICE_MULTICATEGORY
861     - fix short wave heat flux
862    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
863       and allow to use EVP solver. Change forward lab_sea: test both EVP
864       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
865    o Initial check-in of lab_sea adjoint
866      (very similar to natl_box_adjoint/code_seaice)
867      * used C-grid and EVP solver
868      * used KPP, GM/Redi
869      * uses inAdExact=.TRUE.
870      * gradient checks fail for both ADM and TLM
871        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
872        f.d. gradients actually seem more problematic than ADM, TLM gradients;
873        issue is related to forward mismatch between g77 an ifort
874    o pkg/seaice: overhaul of thermodynamics
875     - growth.F and groatb.F are replaced by new routine seaice_growth.F
876     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
877     - move a few global fields out of SEAICE.h into seaice_growth.F and
878       make them 2D (FICE/QNETO/ ...)
879     - remove FO (it is the same as QNETO)
880     - introduce a few local fields to avoid modifying external fields such
881       as atemp, etc.
882    
883    checkpoint58s_post
884    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
885      changed exf_set_gen.F so that
886        genperiod=0 means input file is one time-constant field and
887        genperiod=-12 means input file contains 12 monthly means
888    o CG2D: use pre-computed solver main-diagonal (stored in common block);
889      this affects truncation error ; generate new output file for exp. which
890      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
891        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
892        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
893        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
894        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
895        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
896    o start implementation of deep-atmosphere and anelastic formulation
897    o verification: remove 2nd copy of input files and use script "prepare_run"
898      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
899    o mom_common/vecinv/fluxform: fix a few initialisation isssues
900    o profiles: fix for multithreaded case
901    
902    o diagnostics: rename few diags:
903      s/'PRESSURE'/'RCENTER '/g
904      s/'TICE    '/'oceFreez'/g
905      s/'TAUX    '/'oceTAUX '/g
906      s/'TAUY    '/'oceTAUY '/g
907      s/'SWFLUX  '/'oceQsw  '/g
908      s/DIFx/DFxE/g
909      s/DIFy/DFyE/g
910      and add few ocean-forcing diagnostics:
911      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
912    o modifications to pkg/seaice/growth.F and budget.F, which change results of
913      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
914      as actual snow thickness.  It now refers everywhere to effective snow
915      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
916    
917    checkpoint58r_post
918    o modifications to pkg/seaice/growth.F, which change results of
919      lab_sea experiment: fixes pertain to melting snow over open water, to
920      masking EVAP under sea ice, and to using the correct AREA variable for
921      computations of EVAP, PRECIP, HSNOW, and GHEFF
922    o add ability to read bathy, salt, and theta using MNC (off by def)
923    o add flooding algorithm and advection of HSNOW for pkg/seaice;
924      both are turned off by default and do no change any results
925    o seaice advection with pkg/thsice: a step toward the use of non-linear
926      advection scheme, but #ifdef or commented out for now (requires more EXCH).
927    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
928      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
929      in natl_box (affects results @ truncation level: update output.txt)
930    o multi-threading and IO:
931      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
932      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
933        (needed to work with SingleCpuIO): tested in all verif. exp.
934    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
935      affects the results (but none of the verification test uses this scheme).
936    o Adding some pkg/diagnostics capability to pkg/seaice
937      (will certainly be subject to changes)
938    o ctrl: adding new control variables:
939      lwflux, lwdown, evap, snowprecip, apressure, runoff
940    
941    checkpoint58q_post
942    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
943      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
944      high_res_cube configuration by 4% on Columbia.
945  o clean-up multi-threaded problems (reported by debugger tcheck on ACES);  o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
946    add (in global_with_exf/code) a version of EXF_INTERP_READ without    add (in global_with_exf/code) a version of EXF_INTERP_READ without
947    dynamical allocation (seems to work in multi-threaded).    dynamical allocation (seems to work in multi-threaded).

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