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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.1023 by jmc, Tue Sep 16 21:24:26 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 adding precip control xx_precip  o gad_som : allow to switch to SOM advection for T & S without corresponding
8  o moved ptracer ctrl index 17 -> 32    pickup files (using new S/R: MDS_CHECK4FILE).
9    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
10      (for useSingleCpuIO to work in multi-threaded)
11    o pkg/shelfice:
12     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
13       with SHELFICEtopoFile in data.shelfice
14     - move code for reading ice shelf topography and modifying hFacC into separate
15       subroutines of the shelfice package
16     - separate initialisation of "fixed" and "variable" variables
17     - kTopC is not (yet) replaced by kSurfC, although this is possible
18    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
19    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
20      and rename:
21      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
22      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
23    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
24    
25    checkpoint61c
26    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
27      to add mass source/sink of fluid in the interior (3-D generalisation
28      of oceanic real-fresh water flux).
29    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
30    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
31    o new pkg: down_slope
32      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
33      - presently, modify T & S inland (dwnslp_calc_rho.F).
34        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
35      - implementation for ocean in P-coords not tested.
36      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
37    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
38      (to facilitate conversion of oceanic pkg to p-coordinate).
39    o change FIND_RHO to FIND_RHO_2D :
40      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
41    o new pkg: cheapaml
42    
43    checkpoint61b
44    o exch2:
45      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
46      - no longer depend on the order sequence (N,S,E,W).
47      - 3rd exchange no longer needed (tested with 24 tiles).
48      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
49      - exch_UV_A-grid readily available (but not yet tested).
50      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
51      (both are no longer needed) in exch_uv: no effect in forward run; but
52       get truncation error differences with adjoint exch.
53    o exch2:
54     - change index-bounds storage (moved from target to local tile,
55       more intuitive this way) ; rename/remove some variables.
56     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
57    
58    checkpoint61a
59    o exch2/matlab-topology-generator:
60      fix bug in index bounds for N-S internal exchange (hard to tell if this
61      had any effect on the solution).
62    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
63      is exceeded
64    o testreport: modify syntax of awk, so that it works also with
65      awk, and not only with nawk and gawk
66    
67    checkpoint61
68    o autodiff
69      Change default for TAF usage by removing argument '-nonew_arg'
70      This changes TAF subroutine argument list (ordering of active var.)
71      Omission of this flag leads to incompatibility w.r.t. TAMC
72      To restore TAMC-compatibility, need following modifs:
73      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
74      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
75      Tested TAF version is 1.9.22
76      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
77    
78    checkpoint60
79    --->>> This is the last checkpoint for which generating the adjoint
80    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
81    --->>> by default.
82    --->>> Future checkpoints will ommit this flag by default.
83    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
84    o pkg/grdchk: Add gradient check to etan0 perturbations.
85    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
86    o pkg/autodiff: more flexibility in zeroadj.
87      model/src: modifying do_oceanic_phys.F accordingly.
88    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
89    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
90      special setup of gmredi for which the adjoint is stable
91      enough for parameter optimization.
92    o bridging the gap between eddy stress and GM.
93      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
94          along with a change in CPP option (now ALLOW_EDDYPSI).
95      -> when using GM w/ GM_AdvForm:
96          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
97          is applied either in the tracer Eq. or in momentum Eq.
98          depending on data.gmredi (intro. GM_InMomAsStress).
99      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
100      The key modifications are in model/src/taueddy_external_forcing.F
101      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
102    
103    checkpoint59r
104    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
105      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
106      fix option to read coriolis(@ cell-corner) from files with CS-grid.
107    o pkg/mnc: add some attributes to standard 1D-coordinate variables
108    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
109      mass points, when using mnc for output
110      - add runtime parameter (missing_value, missing_value_int) to override
111        default (which is the value of getcon('UNDEF'))
112    o pkg/mnc: prepare mnc for the actual use of missing values with the
113      diagnostics package: small fix in mnc_cw_readwrite.template and more
114      initialisation of never used fields
115      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
116      versions
117    o pkg/thsice/thsice_ini_vars.F added default initial values so that
118      thermodynamics sea ice solver does not blow up when some initial fields
119      are missing.
120    o move from external_forcing_surf.F to ini_forcing.F
121      the p-coord. hack consisting in using pLoad to set phi0surf ;
122      update output of tutorial_global_oce_in_p (affected @ truncation level).
123    o Freshen up a bit hs94.1x64x5, notably:
124      remove rotationPeriod and tRef=5*0. (adjoint only), and add
125      exactConserv=.TRUE.
126    o pkg/generic_advdiff:
127      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
128      applies to files where Temperature & Salinity 2nd Order moments are used.
129    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
130      this uses a dynamically allocated internal state data structure
131      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
132      and requires a fortran 90 compiler
133    
134    checkpoint59q
135    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
136       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
137    o Refresh tutorial_global_oce_biogeo, notably:
138      - change bathymetry (put back seamounts in ACC, use hFacs)
139      - change EOS (POLY3 --> JMD95Z)
140      - use Bryan-Lewis vertical diffusivity
141      - use multidimensional advection
142      - remove old virtual virtual in dic pkg, now done through ptracer pkg
143      - change a couple of parameters in dic pkg
144    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
145    o pkg/obcs: change default to OBCSfixTopo = .true.,
146      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
147      - replace "debugMode" with "debugLevel .GE. debLevB"
148    o implementation of TAF directives for gchem,cfc,dic
149    o remove "exp5" (replaced by tutorial_deep_convection).
150    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
151      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
152      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
153      --> changes results in exp4, seaice_obcs
154    o tutorial_deep_convection :
155      update the set-up and increase resolution and domain size ; start
156      from pseudo initial conditions = output at t=120mn in order to see
157      something happening when running testreport.
158    o pkg/seaice: add os7mp as an advection scheme
159                  add check for advection schemes
160                  add a flag for restoring T and S underneath sea ice
161    o pkg/my82: add netcdf-support and diagnostics
162    o thsice pkg:
163      - Now hsMax limits snow height by turning it into ice following
164        flooding scheme (and now conserving energy)
165      - Slight rewriting of the formula in thsice_calc_thick.F
166      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
167      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
168    
169    checkpoint59p
170    o gchem / dic / cfc :
171      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
172      - add new parameter files: "data.dic" & "data.cfc" ;
173      - various re-arrangement in initialisation & header file ;
174      - fix tutorial_global_oce_biogeo for multi-threaded test.
175    o pkg/dic: test for "pickup_dic" file when restarting ;
176      if no pickup-file, can restart with a re-initialised pH (same as it did
177      before) providing pickupStrictlyMatch is set to False.
178    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
179      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
180    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
181      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
182    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
183     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
184       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
185    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
186       scheme to use for vorticty-term ;
187     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
188       (with default selectVortScheme, return to original discretisation)
189     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
190    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
191    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
192      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
193      also fix diagnostics VISCAHW & VISCA4W.
194    
195    checkpoint59o
196    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
197    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
198      move a few statemens out the main loop into separate loops
199    o pkg/shelfice:
200      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
201        (kg/m^2/s), does not break tests, because in verification/isomip,
202        rhoConstFresh=rhoConst (by accident)
203      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
204      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
205        new file model/src/seawater.F, so that they are available for all pkgs.
206      - convert potential temperature into in-situ temperature. This changes the
207        isomip tests => update tests
208    o add a flag writePickupAtEnd (default=true) to be able to suppress
209      writing a pickup at the last timestep
210    o tools/mpack-1.6 :
211      - disable automake (not working) and autoconf (not needed).
212      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
213        also cleaner with much less compilation warnings.
214    o pkg/profiles:
215      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
216      (for "less than 32 characters name" compiler requirement)
217    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
218      conditions that have a different sampling frequency than S/T/U/V obcs
219    o pkg/diagnostics (stats-diags):
220      - fix global Min/Max in case 1 processor get only empty tiles
221    o genmake2: replace (4 times)
222         make genmake_tc_1.o >> genmake_warnings 2>&1
223      with
224         COMM="$CC $CFLAGS -c genmake_tc_1.c"
225         echo $COMM >> genmake_warnings
226         $COMM >> genmake_warnings 2>&1
227      to make genmake2 always see the value of CC as specified in the optfile.
228    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
229      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
230      - modify verification advect_cs test to test SOM-advection on CS-grid.
231    o pkg/ctrl:
232      - Rewrite of ctrl_map_ini_ecco.F,
233        introducing a generic routine (ctrl_map_ini_gen.F).
234      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
235    
236    checkpoint59n
237    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
238      number in dedicate array "hdiag":
239      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
240        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
241      - many small changes (integer format) for large number of diagnostics
242      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
243        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
244    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
245      usingSphericalGrid, this allows to define the rotated grid coordinates
246      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
247      geographical coordinates according to the inverse of the rotation defined
248      by the Euler angles, so that Coriolis parameter and online-interpolation by
249      exf works with the geographical coordinates on XC/YC/XG/YG.
250      Naturally, this feature does not work with all packages, so some
251      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
252      profiles), because there the coordinates are assumed to be regular
253      spherical grid coordinates.
254    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
255      - introduce isopycnal diffusion coefficient control.
256    o tools/adjoint_options:
257      - additional control vector components.
258    o pkg/mnc: have mnc create marginally meaning full coordinate variables
259      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
260    o pkg/mypackage:
261      - add example of read/write pickup for state-var ;
262      - add entry points to the main code for state-vars diags & write-pickup.
263    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
264      transitions for useExfYearlyFields
265      - add new subroutine that determines the file to read from for
266        use*YearlyFields = .TRUE. and .FALSE.
267      - add a verification experiment to global_with_exf that tests
268        useExfYearlyFields with USE_EXF_INTERPOLATION defined
269    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
270      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
271      subroutines (which could be generated from a template, because they are
272      almost identical), for now they are included in obcs_prescribe_read.F for
273      simplicity
274    o pkg/exf:
275      - add a little more diagnostic to exf_interp_read (in analogy to
276        mds_read_field, can be turned off with debugLevel < debugLevA=1)
277      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
278        ugly but fast by unrolling short inner loops, inserting a unroll=8
279        directive in routine lagran, and splitting a loop and making do while the
280        outermost loop (the latter requires the intoduction of index arrays)
281    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
282    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
283      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
284    o verification/seaice_obcs: updated for restart test and latest options
285    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
286      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
287      for now this is only available for the C-grid code and also within
288      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
289    
290    checkpoint59m
291    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
292      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
293    o gad_som : fix flux output (& diagnostics) to have same units as other  
294      advection scheme fluxes (was previously multiplied by deltaT).  
295    o added verification/seaice_obcs both to test seaice open boundaries
296      and to provide an example matlab scrpt for generating them
297    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
298    o pkg/salt_plume: clean up salt_plume_frac.F to
299      remove redundancy in PlumeMethod 1 and 4
300    o pkg/kpp: added saltplume diagnostics
301    o pkg/obcs and pkg/seaice:
302      - do not set uice and vice to zero when OB*icefile are unspecified
303      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
304      - moved seaice tracer obcs after call to seaice_growth
305    o pkg/salt_plume: added various options for salt plume depth
306      criterion and for vertical distribution of the salt
307    
308    checkpoint59l
309    o pkg/ptracers: new version of ptracers pickup:
310      read meta file and write only fields which are needed to restart.
311      ( same logic as main pickup file ; also using pickupStrictlyMatch )
312    o pkg/seaice:
313      - add timescale for melting due to warm mixed layer as a means of
314        setting SEAICE_availHeatFrac more conveniently
315      - add a CPP-flag/runtime parameter check for flooding algorithm
316      - reformulated availHeat in seaice_growth.F to be independent of AREA
317    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
318      unit changes
319    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
320    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
321      SX vector computer.
322    o pkg/seaice:
323      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
324        seaice forcing fields can now be read only through pkg/exf
325      - removed some unused halos
326    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
327    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
328      or U/VICE from U/VWIND before computing U/VSTRESS
329    
330    checkpoint59k
331    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
332      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
333    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
334      all experiments pass when compile with un-initialised var. checking option.
335    o added pkg/salt_plume
336    o script to test restart (for now, in MITgcm_contrib/jmc_script)
337    o pkg/seaice: new read/write pickup version.
338      read meta file and write only fields which are needed to restart.
339      ( same logic as main pickup file ; also using pickupStrictlyMatch )
340    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
341    o lab_sea.hb87: modify the domain & update output.hb87.txt :
342      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
343      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
344      process. Fixed here by closing the domain at the Northern boundary.
345    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
346    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
347      a set of consecutive levels in/from a 3-D array.
348    o pkg/ptracers:
349      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
350      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
351    
352    checkpoint59j
353    o in pkgs: dic, obcs, offline, rbcs:
354      standard way to compute coeff. for time interpolation between 2 time reccords
355      which retains full precision (& make results less dependent on compiler).
356      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
357    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
358      packages instead of reading ice cover and wind speed separately
359    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
360     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
361      to allow to compile customized code before the update)
362    o cleaning-up:
363      - fix CPP instruction syntax in pkg/obcs
364      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
365        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
366      - fix some threads issue in IO parts.
367    o pkg/dic:
368      - add tons of "_d 0" (--> much better testreports !)
369       and then update outputs of tutorial_global_oce_biogeo
370    o pkg/mom_fluxform:
371      add a special version of momentum advection intended to conserve momentum
372      next to a bathymetry step or a coastline edge. (default = off = #undef)
373    o new read/write pickup version:
374      - for now, only implemented for main (mdsio) pickup file.
375      - write out only what is needed to restart; merge pickup_nh , pickup_ph
376        and main pickup together.
377      - read meta file; read only what is needed to restart; stop if a field
378        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
379        if it make sense (even if the restart is not perfect).
380      - if no meta file, assume that pickup to read corresponds exactly to
381        a pickup that would currently be written.
382      - read pickup written in the old format (until checkpoint59i) if it
383        recognizes an old meta file (no field-list).
384      - add a meta file in exp. which starts from a pickup: 2 cases:
385        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
386         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
387        b) a meta file describing the content of the associated pickup file
388         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
389    o pkg/mdsio & pkg/rw:
390      - new routine to read a meta file ; new set of routine to read
391        Multiple-fields file (with meta file).
392    o added open boundary conditions capability for seaice
393        HSNOW, HSALT, UICE, and VICE
394    
395    checkpoint59i
396    o adjoint:
397      * fix multiDimAdvection adjoint
398        (partial recomputation problem by TAF for fVerT(:,:,kDown)
399        and comlev1 size definition (maxpass vs. max. number of tracers)
400      * verification/global_ocean.90x45x15 adjoint now tests
401        NLFS and multiDimAdvection using DST3 (=30)
402      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
403    o pkg/kpp: add "_d 0" to real constant (if missing);
404      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
405      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
406    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
407      for internal parameters related to restart process (formerly from PARAMS.h)
408      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
409    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
410      as argument. (only atm2d & obcs write_pickup have not yet been updated)
411    o pkg/monitor:
412      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
413      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
414      - account for deep Atmosphere factor and density factor (anelastic)
415    o added open boundary conditions capability for seaice HEFF and AREA
416    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
417      thermodynamics
418      - requires a little reorganization, which affects the testreport results
419        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
420        so that now the conservative form is tested
421      - add a few comments
422    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
423    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
424    o add new diagnostics to seaice: advective, diffusive fluxes (only for
425      multidim-advection, for scheme 2 they are not filled) and transports,
426      thermodynamic growth rates
427    o change units of EmPmR (inside the code, + within coupling interface)
428      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
429      Affects results @ truncation level (cg2d match) and update output of
430       experiments: lab_sea(6), global_ocean.90x40x15(10),
431      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
432      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
433      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
434      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
435    
436    checkpoint59h
437    o pkg/exf:
438      - improve vectorization by moving if-statement out of loops in
439        exf_mapfields, exf_radiation
440      - exf_bulkformulae.F: introduce 2D fields and vectorize code
441    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
442    o testreport:
443      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
444        monitor & update offline_exf_seaice exp. output.
445      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
446    o pkg/seaice:
447      - bug fix in the evp solver: boundary conditions were affected be
448        masking of zMax/zMin (changes results)
449      - minor bug fix in boundary conditions in seaice_calc_strainrates
450        (changes results for no_slip)
451      - seaice_lsr.F: make interpolation of eta dependent on boundaries
452      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
453      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
454        stress formulation and no-slip boundary conditions
455    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
456      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
457    o pkg/seaice: a first HSALT time stepping equation has been checked in
458    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
459      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
460      without requiring DO-IF statements
461    o pkg/thsice:
462      use continuous power-law function for partition of energy between lateral
463      melting/freezing and thinning/thickening ; old code using step function
464      still available with #undef THSICE_FRACEN_POWERLAW
465      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
466    o testreport: change AD testing : check against results/output_adm.txt
467      using same scripts as for forward test.
468    
469    checkpoint59g
470    o adjoint testing: in preparation for changing testreport:
471      - output format: cost and grad written on separated lines
472      - ad output results in directory "results" (instead of "results_ad")
473    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
474    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
475    o pkg/ecco: allow user defined cost function contributions
476    o testreport:
477      Allow to choose (per experiment) the list of tested output variables
478       and the main variable (used to issue a pass/FAIL ) ;
479      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
480      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
481      Also modify printing of summary:
482       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
483       b) echo the list of tested variables in the individual summary.txt of
484          each experiment.
485    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
486      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
487      (but still depend on the tile decompostion of the domain).
488    o pkg/seaice: change a discretization detail to make the B-grid code
489      "more symmetric". This change is likely to remove all "ridges/leads" that
490      where quasi-aligned with the grid in B-grid solutions. It may also be
491      the solution to the stress coupling issues with the B-grid.
492    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
493      remove .cvsignore from input dir. (since testreport no longer run here).
494    o pkg/thsice:
495     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
496     - fix reshaping of sea-ice just after advection:
497       melt all the ice only if ice-volume is too small.
498     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
499       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
500     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
501    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
502      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
503    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
504      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
505      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
506      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
507      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
508      -> update output.txt
509    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
510     this affects truncation error: -> update output.txt of exp:
511      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
512      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
513    
514    checkpoint59f
515    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
516    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
517      a bounded range (in forward mode)
518    o pkg/ecco, ctrl, autodiff and mom_common:
519     internal parameter controls, completements of implementations
520    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
521    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
522      (not seem any difference in testing results).
523    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
524       at face corners.
525    o pkg/generic_advdiff:
526     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
527      loop range indices for computing vertical advection tendency
528      and do the calculation in the interior only (no overlap) ;
529      for now, only implemented for SOM advection (to save CPU time).
530     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
531    o exch2 adjoint
532      First set of changes:
533      - add exch2 hand-written adjoint templates
534      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
535        This will require cleanup in pkg/autodiff/*.F
536        (changed routines currently kept separate in verif. code/)
537      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
538        that used to hide exch2 or cubed-sphere specific code
539        (commented via 'cph-exch2')
540    o pkg/seaice
541      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
542    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
543       output of global_ocean.cs32x15.thsice .
544    
545    checkpoint59e
546    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
547      for B-grid vector (not yet tested) and C-grid vector (<- only used
548      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
549    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
550      (#ifdef ALLOW_SALT_PLUME)
551    o gather_2d/scatter_2d: removed halo regions
552    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
553      scheme and the corresponding test case (under front_relax dir). For now,
554      only available with Skew-flux form and not yet tested in realistic set-up.
555      adjoint: store directives updated, but gradient checks deteriorated,
556      so maybe GM/Redi adjoint is now broken.
557    o seaice adjoint
558      * add AREA, HEFF, HSNOW as control variable
559        (should not change lab_sea results)
560      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
561    o pkg/seaice:
562      * added computation of saltFlux in seaice_growth;
563        For time being, sea ice salinity is assumed constant
564        contribution of snow flooding to freshening of sea ice is neglected.
565        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
566        defaults to 0.0 in order to maintain backward compatibility.
567        Typical values for SEAICE_salinity are 4 to 10 g/kg.
568      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
569      * added SEAICE_availHeatFrac, which specifies fraction of surface level
570        heat content used to melt or grow ice
571      * commented out cap of HICE: it helps keep ice thinner
572      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
573      * applied OBCS T/S mask to HEFFM sea ice mask
574    
575    checkpoint59d
576    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
577     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
578     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
579    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
580     and change default value of parameter "GM_Small_Number";
581     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
582       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
583       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
584    o pkg/ecco: cost function when applying pkg/smooth to controls
585    o pkg/ctrl: add forcingPrecond run time parameter
586    o pkg/seaice:
587     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
588     - fix bug in metric terms of u-equation in LSR solver (implicit part),
589       changes verification/lab_sea
590     - rearrange implicit part of u-equation in LSR solver to make it easier to
591       read, understand, and debug. This causes changes at the truncation level.
592     - fix (serious) bug in the boundary conditions (sign error in the implicit
593       part) of the LSR solver. Changes all LSR results.
594     - fixed problem with HSNOW initialization to avoid thick snow when AREA
595       is initilized with small values - does not change lab_sea results.
596     - added HsnowFile initialization capability
597    o pkg/smooth: addition to model/src and pkg/ctrl so allow
598     initialization of pkg/smooth and application to control vector
599    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
600    o dependencies: pkg/profiles requires pkg/cal
601    o pkg/profiles:
602     - added option ALLOW_PROFILES_GENERICGRID
603         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
604         that interpolation information (grid points and coefficients) is provided
605         within the netcdf input files.
606         -> sample matlab scripts can be found in MITgcm_contrib/gael
607         that allow you to prepare netcdf input files.
608     - also modified: cleaner include statements, cleaner error print statements,
609       cleaner stops when error, and more tests of the netcdf input files consistency.
610    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
611    o pkg/seaice:
612     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
613       requires a new routine: seaice_diagnostics_fill.F
614     - make sure that seaice does not move if not forced (pressure replacement
615       method, Hibler and Ip, 1995), changes results
616     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
617     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
618       It is turned off by default (=-1.), because it changes the results.
619     - make it possible to read AREA from a file, too.
620    
621    checkpoint59c
622    o add S/R and diagnostics for oceanic mixed-layer depth
623    o move GMRedi call after all vertical mixing schemes (including KPP)
624    o pkg/thsice:
625     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
626      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
627    o pkg/obcs:
628     - bug fix for balance code
629    o pkg/seaice:
630      - allow values of SEAICE_elasticParm > 1
631      - add new parameter SEAICE_evpTauRelax as an alternative
632        to SEAICE_elasticParm
633      - make lsr boundary conditions free slip (by default), changes result
634      - add code for no slip boundary conditions for lsr
635      - set minimum of zeta to zero (and not 4e8) (changes results)
636      - add a cap on AREA after advecting AREA if seaice_growth is not called
637    o change calculation of Visbeck K:
638      - no longer depend on tapering scheme; instead, compute slope (limited
639        by GM_maxSlope). this is equivalent to what was comuted before with
640        clipping or linear tappering.
641      - fix vertical averaging (wrong by 1/2 level)
642      - leave the old version (but will not be maintained) within
643        #ifdef OLD_VISBECK_CALC / #endif
644      - update output of exp. ideal_2D_oce
645    o change error catch in calc_r_star to improve vectorization
646    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
647      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
648    o adjoint:
649      Re-organized adjoint checkpointing according to Matt Mazloff
650      (but with modifs/completions/cleanups)
651      Storing is now bundled into large arrays to optimized I/O
652      (and second step in cleanup of the_main_loop)
653    
654    checkpoint59b
655    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
656      - export/import (between ocean & coupler) fields needed for ocean DIC.
657    o pkg/seaice:
658      - get rid of three more exchanges seaice_calc_viscosities (required
659        different loop boundaries in seaice_lsr and seaice_ocean_stress)
660      - bug fix in seaice_ocean_stress (update of lab_sea required)
661      - reduce loop boundaries to necessary minimum also in seaice_evp
662      - go back to the old way of computing deltaC/Z as the adjoint likes that
663        better
664    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
665      passive tracer to an Age Tracer) + update output.txt
666    o pkg/exf:
667      - implement A-grid / C-grid selection for wind-stress input files.
668      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
669      for now, in exf_bulk_largeyeager04.F only :
670      - change implementation for case where windspeed + 2. components wind-stress
671        are read-in. AND use rhoConstFresh to convert evap.
672    o pkg/seaice:
673      - use correct EXCH_UV for wind-forcing (on A-grid).
674      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
675        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
676    o pkg/exf:
677      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
678      EXF_INTERPOLATION:
679      - merge global_with_exf/code version of exf_interp_read.F
680        to the main code ;
681      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
682        reading the file ; Important: This options needs to be defined to recover
683        previous code.
684        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
685      - no longer loose real*8 precision along the way when using exf_iprec=64.
686    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
687      - change discretisation of evp-solver in order to avoid another exchange
688        (changes lab_sea) and clean up a little
689      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
690        help the adjoint (this also changes the results slightly)
691      - add a few "_d 0" where they had been missing in seaice_evp.F
692      - cleaning up: remove unused seaice_calc_rhs.F
693    o pkg/exf: some cleaning-up:
694      - change various "constants" into runtime parameters
695      - cleaned-up Large&Yeager04 routine which should eventually
696        replace exf_bulkformulae.F (changed names of S/R and CPP)
697        and merged various ALLOW_ATM_WIND options
698     only used with thsice pkg (in thsice_get_exf.F):
699      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
700        which are used when useStabilityFct_overIce=TRUE (= the default)
701      - change default values of ice & snow emissivity and scale downward LW
702        by ice & snow emissivity.
703    o pkg/thsice:
704     fix few little problems, in thsice_calc_thickn.F:
705      - growth vertically (and not laterally) if iceFrac == iceMaskMax
706      - melt only laterally if hIce < hThinIce (as the comments say)
707      and in thsice_extend.F:
708      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
709      - start to form ice as soon as the minimum ice-volume is reachable.
710     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
711      and cpl_aim+ocn
712    o pkg/kpp
713     - move computation of surface related input fields to KPP into a new
714       subroutine kpp_forcing_surf.F
715     - remove wrong (within bi,bj loops) EXCH calls.
716     - little cleaning (add argument myThid in last position, cvs header ...)
717     - for now, fix conservation problem by exchanging KPPviscAz (may not
718       be the best fix)
719    o pkg/seaice
720     - check for inconsistent evp parameter/cpp-flag combination
721     - remove leftover errIO flat for obsolete name list error handling
722    o OpenAD
723     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
724    
725    checkpoint59a
726    o pkg/seaice: some parameter clarifications and a little bit of clean up
727    o pkg/thsice: rename run-time parameters:
728       himin       -> hIceMin
729       himin0      -> hThinIce
730       hihig       -> hThickIce
731       i0          -> i0swFrac
732       transCoef   -> bMeltCoef
733       frac_energy -> fracMelting
734      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
735       with default values (for now) that do not change the results.
736      remove old version of thsice vars advection in pkg/seaice.
737    o in FFIELDS.h:
738      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
739      - make pLoad & sIceLoad always available (but still only used if
740         ATMOSPHERIC_LOADING is #define).
741    o pkg/kpp: replaced _KPP_RL with _RL
742    o bug fixes for vertical diffusivity computations when both KPP and
743        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
744        are no longer updating the vertical diffusivity array
745        (passed as argument) but are (re-) setting those arrays.
746    o pkg/seaice: fix bug in evp solver, while doing that
747      - change (improve?) discretization of stress computations for both
748        cgrid-lsr and evp solver
749      - add a new routine to compute strain rates
750      - the above changes lab_sea results
751      - add no slip conditions for evp solver (off by default), lsr-version
752        may follow
753      - fix exchange for shear at Z-points (does not change lab_sea)
754      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
755        (to force the user to pick a time step since there is not "safe" way
756        of choosing it)
757      - add principal stress diagnostics
758      - rearrange fields for evp a little to avoid having to call a: too many
759        exchanges and b: exchanges for stress trensor components which we do
760        not have.
761      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
762        of evp, complete rewrite for lsr case (latter is does not yet work
763        in all cases)
764    o pkg/kpp: add code to have mixing in shelf ice caverns
765      - add myThid to all kpp routines (long overdue)
766    
767    checkpoint59
768    o pkg/exf:
769      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
770        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
771      - move exf header files from lower_case.h to UPPER_CASE.h ;
772        add missing cvs Header & Name
773      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
774      - add namelist param. selectStressGridPosition, exf_monFreq
775      - retire many _CLIM routines, and remove data.exf_clim
776        + params moved to data.exf
777        + climsst, climsss now handled by exf_set_gen, i.e.
778          climss?period=0 refers to constant field,
779          climss?period=-12 to monthly forcing
780      - split up namelists in data.exf
781    o pkg/seaice:
782      - remove seaice_exch and seaice_exch_uv
783      - remove superfluous exchange of theta
784      - add myThid to seaice_budget_ocean/ice
785      - add new interface for atmospheric wind forcing (C-grid only)
786        + new routine
787        + two new field (taux, tauy for stress over ice)
788        + removed one global field (DAIRN) for C-grid case only
789    o pkg/thsise
790      - 2nd set of modifs for thsice adjoint in conjunction with exf
791    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
792    
793    checkpoint58y_post
794    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
795      vertical diffusivity, similar to that in MOM4; turned on using
796      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
797      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
798    o Added capability for 3D specification of background vertical diffusion
799      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
800      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
801      "data" file that contains the 3D vertical diffusivity coefficients.
802    o ice dynamics (pkg/seaice) with thsice thermodynamics:
803      - add code within pkg thsice to advect & diffuse sea-ice fields
804      similar to (and will replace) what has been added in  seaice_advdiff.F,
805      but: - conserving Mass, Heat & Salt.
806           - better when using non-linear advection scheme (not yet fully tested)
807           - can also be used in atmospheric set-up (for now, only the diffusion).
808    
809    checkpoint58x_post
810    o IO option for global-file compact format:
811      - add options when generating topology (utils/exch2/matlab-topology-generator)
812      - add I/O capability (pkg/mdsio).
813      - adapt utils/matlab/rdmds.m to read this format.
814      for now long-line format not yet supported by pkg/mdsio (& exch2).
815    o shelfice: add a few diagnostics
816    
817    checkpoint58w_post
818    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
819      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
820      (and replace horiVertRatio in NH code).
821      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
822                         and tutorial_plume_on_slope (sensitive to truncation)
823    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
824      directly to drive seaice model (C-grid only)
825    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
826     - reintroduce computation of wind from stress,
827     - compute tau (in exf_bulkformulae.F) from windstress averaged to
828       mass points to avoid tau = 0
829     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
830    o rdmnc.m: make it work with "global" files created with gluemnc
831    o rdmnc.m : some improvements in dealing with singleton dimension
832      (tested on all testreport mnc output files).
833    o genmake2: disable pkg/profiles if netcdf test fails.
834    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
835    o move call to cal_readparms up to make calendar parameters/variable available
836      to all packages
837    
838    checkpoint58v_post
839    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
840      useDynP_inEos_Zc tested.
841    o pkg/exf: changes to properly interpolate/mask/scale initial fields
842    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
843      and portions thereof.  See read_cs.txt for description and examples.
844    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
845      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
846      following the great-circle arc between those 2 points.
847    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
848      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
849    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
850     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
851     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
852     - still needs work (not working with some options ; efficiency to improve)
853       and serious testing.
854     - use this scheme for temperature & salinity in 2 advection test exp.:
855       advect_xy & advect_xz, respectively.
856    
857    checkpoint58u_post
858    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
859    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
860    o testreport: add option "-skipdir" to skip some test.
861    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
862      momentum calculation.
863    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
864    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
865      remove checkpoint.F and the_correction_step.F (no longer used);
866      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
867    o add option (linFSConserveTr) to correct for tracer source/sink due to
868      Linear Free surface
869    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
870    o pkg/thsice: fix reading mnc-pickups
871    
872    checkpoint58t_post
873    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
874    o pkg/mdsio:
875     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
876       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
877       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
878     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
879     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
880       either MDS_READ_FIELD or MDS_WRITE_FIELD )
881     - new S/R (to replace MDSWRITEMETA), which allows to write more
882       informations (variable names, time ...) to meta files.
883     - modify rdmds.m to give back the meta file content.
884    o pkg/diagnostics: change vertical interpolation to be safer, and more
885       flexible (define p-levels to interpolate to in data.diagnostics);
886      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
887       diagnostic pointer.
888    o pkg/seaice: more cleaning up of seaice_growth, added many comments
889    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
890    o fix multi-category seaice:
891     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
892       SEAICE_MULTICATEGORY
893     - fix short wave heat flux
894    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
895       and allow to use EVP solver. Change forward lab_sea: test both EVP
896       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
897    o Initial check-in of lab_sea adjoint
898      (very similar to natl_box_adjoint/code_seaice)
899      * used C-grid and EVP solver
900      * used KPP, GM/Redi
901      * uses inAdExact=.TRUE.
902      * gradient checks fail for both ADM and TLM
903        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
904        f.d. gradients actually seem more problematic than ADM, TLM gradients;
905        issue is related to forward mismatch between g77 an ifort
906    o pkg/seaice: overhaul of thermodynamics
907     - growth.F and groatb.F are replaced by new routine seaice_growth.F
908     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
909     - move a few global fields out of SEAICE.h into seaice_growth.F and
910       make them 2D (FICE/QNETO/ ...)
911     - remove FO (it is the same as QNETO)
912     - introduce a few local fields to avoid modifying external fields such
913       as atemp, etc.
914    
915    checkpoint58s_post
916    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
917      changed exf_set_gen.F so that
918        genperiod=0 means input file is one time-constant field and
919        genperiod=-12 means input file contains 12 monthly means
920    o CG2D: use pre-computed solver main-diagonal (stored in common block);
921      this affects truncation error ; generate new output file for exp. which
922      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
923        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
924        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
925        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
926        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
927        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
928    o start implementation of deep-atmosphere and anelastic formulation
929    o verification: remove 2nd copy of input files and use script "prepare_run"
930      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
931    o mom_common/vecinv/fluxform: fix a few initialisation isssues
932    o profiles: fix for multithreaded case
933    
934    o diagnostics: rename few diags:
935      s/'PRESSURE'/'RCENTER '/g
936      s/'TICE    '/'oceFreez'/g
937      s/'TAUX    '/'oceTAUX '/g
938      s/'TAUY    '/'oceTAUY '/g
939      s/'SWFLUX  '/'oceQsw  '/g
940      s/DIFx/DFxE/g
941      s/DIFy/DFyE/g
942      and add few ocean-forcing diagnostics:
943      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
944    o modifications to pkg/seaice/growth.F and budget.F, which change results of
945      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
946      as actual snow thickness.  It now refers everywhere to effective snow
947      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
948    
949    checkpoint58r_post
950    o modifications to pkg/seaice/growth.F, which change results of
951      lab_sea experiment: fixes pertain to melting snow over open water, to
952      masking EVAP under sea ice, and to using the correct AREA variable for
953      computations of EVAP, PRECIP, HSNOW, and GHEFF
954    o add ability to read bathy, salt, and theta using MNC (off by def)
955    o add flooding algorithm and advection of HSNOW for pkg/seaice;
956      both are turned off by default and do no change any results
957    o seaice advection with pkg/thsice: a step toward the use of non-linear
958      advection scheme, but #ifdef or commented out for now (requires more EXCH).
959    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
960      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
961      in natl_box (affects results @ truncation level: update output.txt)
962    o multi-threading and IO:
963      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
964      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
965        (needed to work with SingleCpuIO): tested in all verif. exp.
966    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
967      affects the results (but none of the verification test uses this scheme).
968    o Adding some pkg/diagnostics capability to pkg/seaice
969      (will certainly be subject to changes)
970    o ctrl: adding new control variables:
971      lwflux, lwdown, evap, snowprecip, apressure, runoff
972    
973    checkpoint58q_post
974    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
975      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
976      high_res_cube configuration by 4% on Columbia.
977    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
978      add (in global_with_exf/code) a version of EXF_INTERP_READ without
979      dynamical allocation (seems to work in multi-threaded).
980    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
981      single CPU io) so that TAF does not have to see EESUPPORT.h
982    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
983    
984    checkpoint58p_post
985    o obcs: stop if obcs is used with useCDscheme = .true.
986    o shelfice:
987     - fix a sign error so that no slip at shelfice interface works
988     - remove stop for combination non-hydrostatic code and shelfice. That does
989       not mean, that the results are correct, but at least they are numerically
990       stable
991    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
992    o added adjoint exch routined for all exch*3d* routines
993      and updated flow directives
994    
995    checkpoint58o_post
996    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
997      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
998    o change controling S/R for writing pickup file (new S/R do_write_pickup)
999      and clean-up reading/writing of pickup files.
1000    o fix local version of read/write pickup (NH part) in rotating_tank/code
1001    o simplify EXCH interface:
1002     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
1003     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
1004    o added the regrid package
1005    o shelfice:
1006     - add a simple boundary layer scheme to reduce noise
1007     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
1008    
1009    checkpoint58n_post
1010    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
1011       local variable (not in common block).
1012    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
1013      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
1014      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
1015        to work with SingleCpuIO.
1016    o add "_d 0" to real constant of pkg/cfc subroutines ;
1017       update exp. cfc_exemple & tutorial_cfc_offline output files.
1018    o multi-threading and IO:
1019      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
1020        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
1021      - barrier before and after reading.
1022      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
1023      - avoid using MDS_WRITELOCAL for LAND pkg output.
1024      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
1025        common-block variables ; Allows multi-threading with master-thread IO.
1026    o change default MAX_NO_THREADS from 32 to 4 ;
1027      and stop cleanly when MAX_NO_THREADS is too small.
1028    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
1029    
1030    checkpoint58m_post
1031    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
1032       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
1033    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
1034       keep global_ocean.90x40x15 (for AD testing) with former secondary test
1035       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
1036    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
1037        add MITgcm_tutorials (= code + all the tutorials)
1038    o ecco, option to compute cost for total ssh (mean+anom)
1039    o consistent with addition of ptracer and ssh in pkg/profiles
1040    o profiles: adding ptracer and ssh
1041    o testreport: change multi-test output-file name
1042      (from output.txt.{name} to output.{name}.txt)
1043    o profiles: now ok for mutli-tiles case
1044    o seaice: add 4 parameters for different advection schemes for area,
1045      (effective) seaice thickness, enthalphy, and snow height. Their default
1046      is the standard parameter SEAICEadvScheme
1047    o calc_gw:
1048     - add cosFacU in zonal viscous flux (harmonic.visc.).
1049     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
1050       of tutorial_plume_on_slope.
1051    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
1052    o calc_gw: true flux-form, account for horizontal grid spacing.
1053      update rotating_tank results, but not plume_on_slope (affected at
1054      truncation level, 11 digits).
1055    
1056    checkpoint58l_post
1057    o calc_gw:
1058     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
1059     - remove side-drag for now (need to fix it); update plume_on_slope results.
1060     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
1061    o commit code to make SST/SSS weights spatially variable
1062      (based on either variable in-situ or variable initial T/S weights)
1063    o pkg/ecco:
1064      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
1065        now based on horizontally varying weights wthetaLev, wsaltLev
1066      * cost_averagesflags now returns year indices in addition to day, month
1067      * sflux balance is performed on annual basis
1068        (sflxumm, sfluxmm2, bal_sfluxmm)
1069      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
1070        including separate counting and multipliers
1071    o pkg/rbcs
1072      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
1073    
1074    checkpoint58k_post
1075    o testreport:
1076     - always build in dir. "build" (if not there, mkdir build instead of building
1077       & running in input)
1078     - run in dir run (if it exists), in build otherwise.
1079     - call prepare_run (if input/prepare_run exists)
1080     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
1081    o pkg/exf modifications to interpolation and rotation routines for more
1082       reasonable treatment of North Pole singularity: for tracers North Pole
1083       value is set to northernmost zonal-mean value, for zonal velocity it is
1084       set to zero, and for meridional velocity it is set to northernmost value.
1085    o pkg/exf/exf_check_range.F
1086     - add tile index to diagnostics and move stop statement to the very
1087       end of the routine.
1088    o pkg/diagnostics: (diagnostics_main_init.F)
1089      define title of isomorphic variables according to the current config.
1090    o pkg/thsice with pkg/seaice dynamics:
1091    - fix domain of computation (interior only, required for exf) and do exchanges
1092    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
1093    o towards a standard way of dealing with multi-threading in MONITOR
1094      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
1095    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
1096       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
1097    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
1098    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
1099    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
1100       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
1101    o tracer advection:
1102     - clean-up and simplify calc_common_factors.F
1103     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
1104       advection subroutine (but still not used within DST advection S/R)
1105    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
1106    
1107    checkpoint58j_post
1108    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
1109      from file (collects calls previously in FORWARD_STEP)
1110    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
1111    o adjoint store dir. adjusted accordingly
1112    o genmake2
1113      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
1114    
1115    checkpoint58i_post
1116    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
1117      on wind stress (SEAICEstressFactor defaults to 1.)
1118    o Total number of Timers is finite (<=40): comment out 2 non-essential one
1119      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
1120    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
1121      on CS-grid: no longer loosing mass.
1122    o exf & curvilinear-grid: no longer modify longitude xC & xG.
1123    o pkg/ggl90: fix sloppy output and fix a bug
1124    o pkg/seaice: added SEAICEuseEVPpickup parameter
1125      - Set to false in order to start EVP solver with
1126        non-EVP pickup files when using SEAICEuseEVP
1127      - fix sign error in diffusion in seaice_calc_rhs
1128    
1129    checkpoint58h_post
1130    * Modifications for bottom topography control
1131      o replace hFacC by _hFacC at various places
1132      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
1133      o add non-self-adjoint cg2d_nsa
1134      o update autodiff support routines
1135      o re-initialise hfac after ctrl_depth_ini
1136      o works for 5x5 box, doesnt work for global_ocean.90x40x15
1137    * Adding verification for 5x5 box (4-layer) bottom topography control
1138    
1139    checkpoint58g_post
1140    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
1141       used for mean seasonal cycle, mean diurnal cycle); add an example
1142       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
1143    o pkg/ggl90:
1144      - add parameter (minimum surface kinetic energy)
1145      - fix bug (avoiding division by zero)
1146    o couple pkg/thsice to pkg/seaice:
1147      - modify advection in seaice to accomodate new scalar fields to be advected
1148      - only muliDimAdection scheme work with seaice/thsice
1149      - mapping of thsice-variables to seaice-variables, back and forth
1150      - does not break the verification experiments, but does not give the
1151        desired results either
1152    o pkg/seaice
1153      - make (default) second order advection a bit less confusing?
1154    
1155    checkpoint58f_post
1156    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
1157      to pkg/seaice):
1158      - new routines thsice_map_exf and thsice_get_exf provide the interface
1159      - add an additional formal parameter to thsice_solve4temp
1160    o pkg/exf:
1161      - add new fields wspeed, snowprecip (to be able to couple to thsice)
1162      - correct Stefan-Boltzmann constant
1163      - new parameter for longwave surface emittance
1164      - separate some stuff from exf_bulkformulae into new routines  
1165        exf_radiation, exf_wind
1166      - add new parameters and constants: longwave emissivity for ocean, ice
1167        and snow, evaporation parameters over ice
1168      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
1169        either wind from stress or stress from wind
1170    o pkg/thSIce:
1171    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
1172    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
1173       and THSICE_CALC_THICKN
1174    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
1175    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
1176      to make debugging easier.
1177    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
1178    o pkg/bulk_force:
1179      - clean-up comments and parameters ;
1180      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
1181    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
1182      generate new output for test-experiment: aim.5l_cs.thSI
1183    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
1184      testreport accordingly
1185    
1186    checkpoint58e_post
1187    o SEAICE_CGRID adjoint done
1188    o R_STAR adjoint implemented.
1189      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
1190      * need to sort out init. of h0facc, etc.
1191    o Make pkg/profile fully independent of ecco,cost, etc. stuff
1192      to be able to use it in pure forward.
1193    
1194    checkpoint58d_post
1195    o upgrade simple test-experiment to tutorial example:
1196     step.1: duplicate the experiment and (step.2) will remove the old copy.
1197      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
1198      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
1199      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
1200      tutorial_global_oce_biogeo    <- copy of dic_example
1201      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
1202      tutorial_plume_on_slope       <- copy of plume_on_slope
1203      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
1204      tutorial_global_oce_optim     <- empty for now (David ?)
1205      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
1206     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
1207    o correct a sign problem in cost_scat.F
1208    o obcs and ptracers: fix boundary conditions for advections schemes
1209      with larger stencil
1210    o thsice adjoint: start
1211    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
1212      completeness
1213    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
1214      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
1215    o ptracers adjoint:
1216      * avoid extensive recomputatations
1217      * fix missing re-init. of gptr (missed by TAF)
1218    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
1219      me to turn off the excessive output to STDOUT that this package produces
1220    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
1221      and add those terms in Vector-Invariant formulation.
1222    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
1223      if the control period (xx_hfluxperiod etc) is 0
1224    o in profiles pkg, clean routines and fix details
1225    o in ecco pkg, reading ssh data:
1226      fix problem in case the model does not start at iter0=0
1227    o fix mnc-pickup/restart for ptracers
1228    o new package prifiles:
1229      code to compute profile-based cost by Gael Forget
1230      (modifs in ecco, ctrl, autodiff)
1231    o Benign bug fix in initialization (spotted by M. Mazloff) of
1232      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
1233    
1234    checkpoint58c_post
1235    o adjoint: finish NLFS adjoint and provide reference output in
1236      verification/global_ocean.90x40x15/results_ad_nlfs
1237    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
1238      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
1239      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
1240      with SEAICE_CGRID defined.
1241    o move calendarDumps from "data" to "data.cal" and clean-up the code
1242      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
1243    o add useEXF & useCAL flags (for now, set in hard-coded way)
1244    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
1245      (were missing in NH mode, and wrong in quasihydrostatic mode).
1246      waiting for Chris updated version of calc_gw to add those CALLs.
1247    o fix bug in quasihydrostatic S/R ;
1248      add a test for this option: global_ocean.90x40x15.qshyd
1249    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
1250      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
1251    o add on/off flag useOffLine for package OFFLINE
1252    o seaice:
1253      - modify advection so that it works also on the C-grid
1254      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
1255        problem in multi-tile runs with C-grid
1256      - add flags for clipping ice velocities and/or masking solver forcing
1257      - fix drag (ocean on ice) formulation and a bug that caused noise in the
1258        C-grid solver
1259      - added a few comments to seaice_diffusion.F
1260      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
1261        are now exclusive)
1262      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
1263        required re-ordering the code a little:
1264       + make DAIRN global variable (defined in SEAICE)
1265       + move computation of the viscosities eta and zeta into a new separate
1266         routine (because I need to recompute them in seaice_ocean_stress.F)
1267    
1268    checkpoint58b_post
1269    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
1270      update output.txt of exp. aim.5l_cs.thSI
1271    o various mnc cleanups and improvements:
1272      + shrink lookup tables by factor of ~4
1273      + better error reporting when running out of lookup space
1274      + able to handle longer path/file names (up to 500 chars)
1275    o adjoint:
1276      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
1277      - TBD: "hidden" mom_vecinv recomp. in dynamics
1278    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
1279     (allow to differentiate between forcing components using new integer flags:
1280      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
1281     and add new flag to put Dissipation tendency out of Adams-Bashforth.
1282    o ecco
1283      - enable trend removal from SSH anomaly obs.
1284    o adjoint
1285      - a fix for PmEpR when #undef EXACT_CONSERV
1286      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
1287      - try to fix "hidden" recomp. in forward_step for NLFS
1288        (NLFS seems broken sometimes after I checked it in)
1289    o seaice:
1290     - add c-grid version of the dynamic solver:
1291       + three new routines that are the c-grid substitute lsr, dynsolver
1292         and ostres
1293       + put a few fields that were local to dynsolver into global common
1294         blocks, so that I can move the computation of stresses etc into
1295         seaice_lsr (saves coding but may break the adjoint).
1296     - replace more hardwired parameters by runtime parameters
1297     - add ice masks that mask the rhs of the implicit solvers where there
1298       is no ice (commented out in seaice_dynsolver, because i am not sure
1299       if this works properly), eventually this should replace the clipping
1300       of ice velocities in seaice_dynsolver to +/-40cm/s.
1301    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
1302      include it only where its needed
1303    o move balancing of fluxes before the call of external_forcing_surf
1304    o seaice:
1305      - correct units of turning angles (now they are really in degrees)
1306      - move computation of GWATX/Y out of main routine into dynsolver
1307      - initialize GWATX/Y in seaice_init
1308    o Apply mask on Fresh-Water flux (needed for SSH forcing).
1309      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
1310    o seaice: add runtime flags for turning angles (default to zero)
1311    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
1312      and trend from exf forcing and ctrl control adjustments
1313    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
1314      (since checkpoint57x_post)
1315    o change the default rotation period to 86164.s = the Earth rotation
1316    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
1317      and based on a reference stratification. Tested within hs94.cs-32x32x5.
1318    o seaice advection: add code for choosing between the default (2nd order
1319      central differences) and multiDim advection schemes provided by
1320      pkg/generic_advdiff
1321    o seaice:
1322      - removed all references to SEAICE_GRID.h fields from
1323        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
1324        (cubed-sphere configuration will change a little)
1325      - grid computations in seaice_init are obsolete now.
1326      - cleaned up code a little so that is easier to read (hopefully).
1327      - added new (better?) discretizations of default advection and diffusion
1328        (turn on with SEAICEuseFluxForm)
1329      - replace 1 in 3d global fields by kSurface in growth.F
1330      
1331    checkpoint58a_post
1332    o seaice:
1333      - bug fix in advect.F
1334    o shelfice:
1335      - separate shelfice load anomaly from pload (breaks with time
1336        dependent forcing), => introduce constant field shelficeLoadAnomaly.
1337        Its default is 0., but it may be computed more cleverly from (unknown)
1338        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
1339        done offline. A good approximation of the pressure load anomaly is
1340        necessary to avoid large initial adjustment processes underneath
1341        deep-reaching shelfice.
1342      - small fix in ISOMIP shelfice_thermodynamics
1343      - add more sophisticated thermodynamics of Hellmer (1989), this is
1344        now the default
1345      - give a few constants more intuitive names
1346    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
1347      if bulk formulae are used in long integration (especially EmPmR). Turn
1348      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
1349      if balancePrintMean, the imbalance that is substracted is printed to
1350      STDOUT.
1351    o fix bug (typo) in obcs_apply_eta.F
1352    o add a new package shelfice which enables us to model the circulation
1353      underneath shelf-ice with draughts of hundreds of meters.
1354     - works
1355     - to do: + include improved thermodynamics
1356              + check whether kSurfC (from model/inc/SURFACE.h) can be used
1357                instead of new field kTopC
1358              + can we use topoFile, Ro_surf and existing code in ini_depth.F
1359                instead of new field R_shelfIce and new code in ini_depth.F
1360                and ini_mask_etc.F?
1361              + adjust vertical mixing schemes?
1362    o seaice pkg:
1363     - add a cpp-flag to include a simple formula for a salinity dependent
1364       freezing point of sea water at the surface
1365     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
1366       meridional stresses are now different (and hopefully correct)
1367    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
1368       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
1369       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
1370    o pkg/diagnostics: add options and parameters for regional-statistics
1371       diagnostics ; define regions by reading a region-mask from a file
1372       (might add other options later)
1373    o pkg/bulk_force:
1374     - add option and parameters to use AIM surface-flux formulae.
1375     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
1376       others forcing fields (defined in PARM05, parameter file "data") are loaded
1377       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
1378     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
1379     - use the right EXCH call for uwind,vwind (to work on CS-grid).
1380     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
1381       and parameters (note: calcWindStress replaces .NOT.readwindstress).
1382     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
1383    
1384    checkpoint58
1385    o add "--embed-source" option to genmake2 which, when the supporting
1386      tools can be compiled (as determined by genmake2) will turn on the
1387      embed_files package which then embeds the entire MITgcm source code
1388      (*.[fFhc] + Makefile) used for the build within the executable
1389      - requested by CNH but off by default
1390      - adds a paltry <9MB to the mitgcmuv executable in most cases
1391      - only writes the output when useEMBEDSRC in eedata is true
1392    o clean up 3-dim. relaxation codes:
1393      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
1394      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
1395      * Thanks to Tom Haine for testing!
1396    
1397    checkpoint57z_post
1398    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
1399      affects output (@ truncation level) of exp. plume_on_slope ; updated.
1400    o fix the pickup behavior for obcs in combination with ptracers
1401    o fix a bug in ptracers_external_fields_load
1402    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
1403      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
1404    o transfered surface NH pressure to eta field (if exactConserv).
1405    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
1406         and update lab_sea output.txt file.
1407    o completing 3-dim. relaxation code: additional term
1408         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
1409      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
1410      * At compile time, in "EXF_OPTIONS.h" set
1411          #define  ALLOW_CLIMTEMP_RELAXATION
1412          #define  ALLOW_CLIMSALT_RELAXATION
1413      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
1414          tauThetaClimRelax3Dim = 15552000.0,
1415          tauSaltClimRelax3Dim  = 15552000.0,
1416      * 3 cases:
1417          1) Use a constant-in-time 3-dim. field
1418          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
1419          3) Real-time relax. to time-evolving prescribed field
1420    o Adding Laplacian-type smoothness constraint on
1421      initial and boundary (forcing) controls (ic, bc)
1422      * enable at compile-time via
1423        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
1424      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
1425      * Absolute scale somewhat unclear so far
1426      * no area weighting was included since no other cost term does so far
1427    
1428    checkpoint57y_post
1429    First step for a NLFS adjoint
1430    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
1431    o new init. routines for calc_r_star, calc_surf_dr
1432    o still need to deal with ini_masks_etc
1433    o testreport seemed happy
1434    checkpoint57y_pre
1435    
1436    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
1437    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
1438    o add new offset feature to offline pkg (plus minor cleanup)
1439    o cfc fixes for final year of integration
1440    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
1441      be in GCHEM_OPTIONS).
1442    
1443    checkpoint57x_post
1444    o fix testreport Pb in multiple test experiment.
1445    o cleanup our namelist syntax in verification:
1446      - make it more F95 standards compliant (some work still needed)
1447      - allows the vast majority of our tests to work with gfortran
1448    o Non-Hydrostatic:
1449     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
1450     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
1451    o Allow to apply AB on T,S rather than on AB(gT,gS):
1452     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
1453     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
1454       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
1455     - need a "clever" read_pickup to restart from the other AB formulation
1456    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
1457    o remove some unused variables (reduces number of compiler warnings)
1458    o adjoint
1459      * Disable useVariableViscosity for adjoint for time being
1460        (there are a number of extensive recomputations)
1461      * Initialize certain variables needed for adjoint
1462    
1463    checkpoint57w_post
1464    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
1465                 fix the singleCpuIO RS version of MDSWRITEFIELD
1466       and add a WARNING if using globalFiles=T with multi-processors.
1467    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
1468      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
1469    o tracer advection scheme:
1470      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
1471       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
1472       was not very convenient).
1473      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
1474       (further tests needed for the implicit DST & Flux-Limiter schemes).
1475    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
1476      and sRef for convenience, handy, when you want to initialize
1477      ptracers in a large domain with a constant non-zero value. Also,
1478      untangle ptracers_init.F a little.
1479    
1480    checkpoint57v_post
1481    o change dome exp. to use variable viscosity in side-drag terms.
1482    o remove all the files from the cfc_offline test since they are now
1483      incorporated into tutorial_cfc_offline which has been producing
1484      identical results for a few days of testing
1485    o add new parameter: sideDragFactor to enable half-slip-side BC
1486      and change side-drag S/R to use viscosity from mom_calc_visc
1487      (can switch back by setting sideDragFactor=0.); affects results at
1488      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
1489       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
1490    o vorticity & strain are now computed without masking, to account for
1491      no-slip-side BC in variable viscosity calculation ; mask is applied
1492      anyway later on, before computing advection/coriolis terms.
1493    o modify exp4 to test new obcs support for reading from external files
1494      and for passive tracers
1495    o fix behavior of ptracers_monitor when monitor output is written to a
1496      netcdf-file; still not independent of monitor.F (writes in the same
1497      file).
1498    o change default value of tRef (put a uniform, meaningful value for ocean
1499      & atmos) and initialize sRef (was missing, as Martin mentioned).
1500    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
1501      to be proportional to enstrophy dissipation length.  Thus,
1502       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
1503      This is now consistent with Smagorinsky and with the manual.
1504    
1505    checkpoint57u_post
1506    o OBCS and PTRACERS: add open boundary support for passive tracers
1507      - either use homogenous (pseudo) v.Neumann conditions or prescribe
1508        OB-values from file; this is not different from the way theta and salinity
1509        are treated
1510      - however, Orlanski-radiation conditions are not supported, and the model
1511        will stop if you use pTracers and Orlanski at the same time.
1512      - beefed up the rountine obcs_external_fields_load: now only those open
1513        boundary values are overwritten with values from files for which there
1514        are really files, otherwise the OB-fields remain untouched. This makes
1515        it possible to use different OBs at different ends of the domain (as
1516        with EXF)
1517    o reduce number of exch calls in shap_filt (s2).
1518    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
1519      truncation level) 4/5 MLAdjust test results (11&12 digits match).
1520    
1521    checkpoint57t_post
1522    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
1523    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
1524      same truncation, independent of the face number: affects affects several
1525      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
1526    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
1527      note that biharmonic viscosity + no-slip was not tested in any experiment.
1528    o fix bug in non-linear free-surf side-drag ; generate new output for
1529      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
1530    o make mnc honor the writeBinaryPrec flag for most kinds of output
1531    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
1532    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
1533      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
1534    o add brackets in multi-terms sum to get same truncation, independent of
1535      the face number (manage to get exactly same value of gU,gV at the cs-edge)
1536      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
1537    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
1538      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
1539      a maximum grid-scale Reynolds number.  Also, changes all length calculations
1540      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
1541      Suggested values of viscosity parameters found in mom_calc_visc.
1542      Many new viscosity diagnostics available.
1543    
1544    checkpoint57s_post
1545    o Add clearing-house for viscosity calculations, mom_calc_visc and
1546      correct numerous bugs in LeithD and Smagorinsky discretizations.  
1547      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
1548      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
1549      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
1550      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
1551      The Strain-Tension form is now called with useStrainTensonVisc=.true.
1552      ViscAhStrain and viscAhTension are now retired.
1553    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
1554    o In response to JMC's bug report, genmake2 now ignores any soft-links
1555      that it finds in the *current* directory when searching for files.
1556      Soft-links found in any other source directories will still work as
1557      they did before.
1558    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
1559      a C routine to unlimit the stack size
1560    o mnc-ify pkg/aim snapshot vars
1561    o mnc-ify pkg/land as requested by Daniel
1562    o various changes to mnc including:
1563      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
1564      - output can now be grouped so that all files within a group
1565          change the ITER portion of their names in lock-step together
1566      - can now read ("global") PER-FACE (in addition to PER-TILE) files
1567          and works with both EXCH1 and EXCH2 (but needs more testing)
1568      - writing works for all verification test cases w/ g77 on Linux
1569    
1570    checkpoint57r_post
1571    o make MNC variable initialization happen earlier
1572    o add diagnostics for (almost) each term of the momentum Eq.
1573    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
1574    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
1575    o remove MINIMAL_TAVE_OUTPUT option ;
1576      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
1577    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
1578      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
1579    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
1580    o add time-dependent SST, SSS control
1581    o cost terms in ecco/ modularized (new cost_generic.F)
1582    o cost_averages routines are modularized (new cost_averagesgeneric.F)
1583    o new infrastructure for seaice model vs. obs misfits in seaice/
1584      * driver from the_main_loop.F is seaice_cost_driver.F
1585      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
1586      * gradient check in Exp. 6a of natl_box_adjoint/
1587    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
1588      (see README file)
1589    
1590    checkpoint57q_post
1591    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
1592    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
1593      - bug was reported by Jean-Michel and Ian Fenty
1594    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
1595      update exp. cpl_aim+ocn output.
1596    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
1597      Needed for high-res. runs with large global files
1598      to be able to limit tapelev size
1599    o Changed some tests for adjoint:
1600      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
1601      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
1602      * global_ocean.90x40x15/ back to default 3-level checkpointing
1603    o Modifications to enable scripted COMMON to MODULE conversion
1604      * verification/OpenAD/code/ has necessary scripts and description;
1605      * converts, compiles and runs successfully;
1606    
1607    checkpoint57p_post
1608    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
1609    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
1610      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
1611    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
1612    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
1613      (was already the case for dissipation with mom_vecinv,
1614       and also the case for grad.PhiHyd when staggered-timeStep)
1615      This will allow to put dissipation out-off the AB time-stepping.
1616     Unfortunately, affects truncation error. Update output of exp. that "fails"
1617      (cg2d matching number) and leave the others for later: front_relax(10),
1618      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
1619      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
1620    
1621    checkpoint57o_post
1622    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
1623      (2) its ready to be documented during the 20050801 DocFest
1624    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
1625      for ideal_2D_oce and lab_sea on linux_ia32_g77
1626    o set to #undef CTRL_SET_OLD_MAXCVARS_30
1627      in global1x1_tot/code_seaice_adj to access indices 32, 33
1628      (worth another tag)
1629    
1630    checkpoint57n_post
1631    o adding precip control xx_precip 32
1632    o adding swflux control xx_swflux 33
1633    o Replacing 10 forcing penalty cost routines by 1 generic.
1634    o Implementing partitioning in time-mean and variable adjustment
1635      for atmos. state.
1636    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
1637  o in natl_box_adjoint:  o in natl_box_adjoint:
1638    * updated: results_bulk/    * updated exp 1 to 10
1639    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
1640    o updated global1x1/*_seaice_adj/
1641      to incorporate latest changes
1642    o enable useSingleCpuIO for mdsio vector routines
1643      (applies in particular to tapelev I/O)
1644    o removed inefficient K-loop in all active_file*control*.F
1645    
1646  checkpoint57m_post  checkpoint57m_post
1647  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)

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