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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.1024 by jmc, Mon Sep 22 18:00:25 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 store 3-D (in-situ) density in commom block (DYNVARS.h)
8  o moved ptracer ctrl index 17 -> 32   - save 1 rho computation.
9     - no longer modify T & S inland when using down_slope pkg.
10    o gad_som : allow to switch to SOM advection for T & S without corresponding
11      pickup files (using new S/R: MDS_CHECK4FILE).
12    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
13      (for useSingleCpuIO to work in multi-threaded)
14    o pkg/shelfice:
15     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
16       with SHELFICEtopoFile in data.shelfice
17     - move code for reading ice shelf topography and modifying hFacC into separate
18       subroutines of the shelfice package
19     - separate initialisation of "fixed" and "variable" variables
20     - kTopC is not (yet) replaced by kSurfC, although this is possible
21    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
22    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
23      and rename:
24      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
25      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
26    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
27    
28    checkpoint61c
29    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
30      to add mass source/sink of fluid in the interior (3-D generalisation
31      of oceanic real-fresh water flux).
32    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
33    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
34    o new pkg: down_slope
35      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
36      - presently, modify T & S inland (dwnslp_calc_rho.F).
37        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
38      - implementation for ocean in P-coords not tested.
39      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
40    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
41      (to facilitate conversion of oceanic pkg to p-coordinate).
42    o change FIND_RHO to FIND_RHO_2D :
43      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
44    o new pkg: cheapaml
45    
46    checkpoint61b
47    o exch2:
48      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
49      - no longer depend on the order sequence (N,S,E,W).
50      - 3rd exchange no longer needed (tested with 24 tiles).
51      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
52      - exch_UV_A-grid readily available (but not yet tested).
53      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
54      (both are no longer needed) in exch_uv: no effect in forward run; but
55       get truncation error differences with adjoint exch.
56    o exch2:
57     - change index-bounds storage (moved from target to local tile,
58       more intuitive this way) ; rename/remove some variables.
59     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
60    
61    checkpoint61a
62    o exch2/matlab-topology-generator:
63      fix bug in index bounds for N-S internal exchange (hard to tell if this
64      had any effect on the solution).
65    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
66      is exceeded
67    o testreport: modify syntax of awk, so that it works also with
68      awk, and not only with nawk and gawk
69    
70    checkpoint61
71    o autodiff
72      Change default for TAF usage by removing argument '-nonew_arg'
73      This changes TAF subroutine argument list (ordering of active var.)
74      Omission of this flag leads to incompatibility w.r.t. TAMC
75      To restore TAMC-compatibility, need following modifs:
76      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
77      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
78      Tested TAF version is 1.9.22
79      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
80    
81    checkpoint60
82    --->>> This is the last checkpoint for which generating the adjoint
83    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
84    --->>> by default.
85    --->>> Future checkpoints will ommit this flag by default.
86    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
87    o pkg/grdchk: Add gradient check to etan0 perturbations.
88    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
89    o pkg/autodiff: more flexibility in zeroadj.
90      model/src: modifying do_oceanic_phys.F accordingly.
91    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
92    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
93      special setup of gmredi for which the adjoint is stable
94      enough for parameter optimization.
95    o bridging the gap between eddy stress and GM.
96      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
97          along with a change in CPP option (now ALLOW_EDDYPSI).
98      -> when using GM w/ GM_AdvForm:
99          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
100          is applied either in the tracer Eq. or in momentum Eq.
101          depending on data.gmredi (intro. GM_InMomAsStress).
102      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
103      The key modifications are in model/src/taueddy_external_forcing.F
104      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
105    
106    checkpoint59r
107    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
108      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
109      fix option to read coriolis(@ cell-corner) from files with CS-grid.
110    o pkg/mnc: add some attributes to standard 1D-coordinate variables
111    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
112      mass points, when using mnc for output
113      - add runtime parameter (missing_value, missing_value_int) to override
114        default (which is the value of getcon('UNDEF'))
115    o pkg/mnc: prepare mnc for the actual use of missing values with the
116      diagnostics package: small fix in mnc_cw_readwrite.template and more
117      initialisation of never used fields
118      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
119      versions
120    o pkg/thsice/thsice_ini_vars.F added default initial values so that
121      thermodynamics sea ice solver does not blow up when some initial fields
122      are missing.
123    o move from external_forcing_surf.F to ini_forcing.F
124      the p-coord. hack consisting in using pLoad to set phi0surf ;
125      update output of tutorial_global_oce_in_p (affected @ truncation level).
126    o Freshen up a bit hs94.1x64x5, notably:
127      remove rotationPeriod and tRef=5*0. (adjoint only), and add
128      exactConserv=.TRUE.
129    o pkg/generic_advdiff:
130      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
131      applies to files where Temperature & Salinity 2nd Order moments are used.
132    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
133      this uses a dynamically allocated internal state data structure
134      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
135      and requires a fortran 90 compiler
136    
137    checkpoint59q
138    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
139       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
140    o Refresh tutorial_global_oce_biogeo, notably:
141      - change bathymetry (put back seamounts in ACC, use hFacs)
142      - change EOS (POLY3 --> JMD95Z)
143      - use Bryan-Lewis vertical diffusivity
144      - use multidimensional advection
145      - remove old virtual virtual in dic pkg, now done through ptracer pkg
146      - change a couple of parameters in dic pkg
147    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
148    o pkg/obcs: change default to OBCSfixTopo = .true.,
149      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
150      - replace "debugMode" with "debugLevel .GE. debLevB"
151    o implementation of TAF directives for gchem,cfc,dic
152    o remove "exp5" (replaced by tutorial_deep_convection).
153    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
154      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
155      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
156      --> changes results in exp4, seaice_obcs
157    o tutorial_deep_convection :
158      update the set-up and increase resolution and domain size ; start
159      from pseudo initial conditions = output at t=120mn in order to see
160      something happening when running testreport.
161    o pkg/seaice: add os7mp as an advection scheme
162                  add check for advection schemes
163                  add a flag for restoring T and S underneath sea ice
164    o pkg/my82: add netcdf-support and diagnostics
165    o thsice pkg:
166      - Now hsMax limits snow height by turning it into ice following
167        flooding scheme (and now conserving energy)
168      - Slight rewriting of the formula in thsice_calc_thick.F
169      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
170      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
171    
172    checkpoint59p
173    o gchem / dic / cfc :
174      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
175      - add new parameter files: "data.dic" & "data.cfc" ;
176      - various re-arrangement in initialisation & header file ;
177      - fix tutorial_global_oce_biogeo for multi-threaded test.
178    o pkg/dic: test for "pickup_dic" file when restarting ;
179      if no pickup-file, can restart with a re-initialised pH (same as it did
180      before) providing pickupStrictlyMatch is set to False.
181    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
182      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
183    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
184      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
185    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
186     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
187       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
188    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
189       scheme to use for vorticty-term ;
190     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
191       (with default selectVortScheme, return to original discretisation)
192     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
193    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
194    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
195      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
196      also fix diagnostics VISCAHW & VISCA4W.
197    
198    checkpoint59o
199    o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
200    o change the loop ordering in most gad_*_adv_x.F to improve vectorization:
201      move a few statemens out the main loop into separate loops
202    o pkg/shelfice:
203      - sort out freshwater flux; convert freshwater fluxes to mass fluxes
204        (kg/m^2/s), does not break tests, because in verification/isomip,
205        rhoConstFresh=rhoConst (by accident)
206      - rearrange computation of tLoc, sLoc, pLoc to make code more efficient
207      - move S/R find_rho_scalar, pkg/ecco/sw_ptmp.F, pkg/ecco/sw_adtg.F into
208        new file model/src/seawater.F, so that they are available for all pkgs.
209      - convert potential temperature into in-situ temperature. This changes the
210        isomip tests => update tests
211    o add a flag writePickupAtEnd (default=true) to be able to suppress
212      writing a pickup at the last timestep
213    o tools/mpack-1.6 :
214      - disable automake (not working) and autoconf (not needed).
215      - update to version 1.6.4 which fix MD5 code on some 64 bits platforms
216        also cleaner with much less compilation warnings.
217    o pkg/profiles:
218      rename profiles_interp_mean_genericgrid as profiles_interp_mean_gg
219      (for "less than 32 characters name" compiler requirement)
220    o pkg/obcs and pkg/exf: added capability to specify seaice open boundary
221      conditions that have a different sampling frequency than S/T/U/V obcs
222    o pkg/diagnostics (stats-diags):
223      - fix global Min/Max in case 1 processor get only empty tiles
224    o genmake2: replace (4 times)
225         make genmake_tc_1.o >> genmake_warnings 2>&1
226      with
227         COMM="$CC $CFLAGS -c genmake_tc_1.c"
228         echo $COMM >> genmake_warnings
229         $COMM >> genmake_warnings 2>&1
230      to make genmake2 always see the value of CC as specified in the optfile.
231    o generic_advdiff: - prather advection scheme (SOM) coded for CS-grid.
232      - add diagnostics for 1srt & 2nd Order moments and sub-grid variance.
233      - modify verification advect_cs test to test SOM-advection on CS-grid.
234    o pkg/ctrl:
235      - Rewrite of ctrl_map_ini_ecco.F,
236        introducing a generic routine (ctrl_map_ini_gen.F).
237      - Modification of ctrl_bound/adctrl_bound handling control vector bounds.
238    
239    checkpoint59n
240    o pkg/diagnostics: for large number of diagnostics, store diagnostic mate
241      number in dedicate array "hdiag":
242      - new version of S/R DIAGNOSTICS_ADD2LIST : DIAGNOSTICS_ADDTOLIST
243        with 1 more argument (mate number); modify old version DIAGNOSTICS_ADD2LIST.
244      - many small changes (integer format) for large number of diagnostics
245      - start to use DIAGNOSTICS_ADDTOLIST (necessary for diagnostics with
246        a counter mate) in pkg diagnostics, ptracers, thsice & aim_v23.
247    o add parameter rotateGrid and Euler angles EulerPhi/Theta/Psi. For
248      usingSphericalGrid, this allows to define the rotated grid coordinates
249      via phiMin/thetaMin/dxSpacing/dySpacing, etc., but then re-compute the
250      geographical coordinates according to the inverse of the rotation defined
251      by the Euler angles, so that Coriolis parameter and online-interpolation by
252      exf works with the geographical coordinates on XC/YC/XG/YG.
253      Naturally, this feature does not work with all packages, so some
254      combinations are prohibited in config_summary (flt, flt_zonal, ecco,
255      profiles), because there the coordinates are assumed to be regular
256      spherical grid coordinates.
257    o pkg/gmredi,ctrl,ecco,autodiff,grdchk and model/src,inc:
258      - introduce isopycnal diffusion coefficient control.
259    o tools/adjoint_options:
260      - additional control vector components.
261    o pkg/mnc: have mnc create marginally meaning full coordinate variables
262      (that is the grid indices) if usingCurvilinearGrid and NOT EXCH2
263    o pkg/mypackage:
264      - add example of read/write pickup for state-var ;
265      - add entry points to the main code for state-vars diags & write-pickup.
266    o pkg/exf: rewrite of exf_getffieldrec.F to properly deal with year
267      transitions for useExfYearlyFields
268      - add new subroutine that determines the file to read from for
269        use*YearlyFields = .TRUE. and .FALSE.
270      - add a verification experiment to global_with_exf that tests
271        useExfYearlyFields with USE_EXF_INTERPOLATION defined
272    o pkg/obcs/exf: add useOBCSYearlyFields (=.FALSE.) to obcs with exf in
273      analogy to useExfYearlyFields; rearrange obcs_prescribe_read: two new
274      subroutines (which could be generated from a template, because they are
275      almost identical), for now they are included in obcs_prescribe_read.F for
276      simplicity
277    o pkg/exf:
278      - add a little more diagnostic to exf_interp_read (in analogy to
279        mds_read_field, can be turned off with debugLevel < debugLevA=1)
280      - improve vectorizability of exf_interp for TARGET_NEC_SX, makes code
281        ugly but fast by unrolling short inner loops, inserting a unroll=8
282        directive in routine lagran, and splitting a loop and making do while the
283        outermost loop (the latter requires the intoduction of index arrays)
284    o pkg/obcs: replace obcs_apply_area/heff/hsalt/hsnow with obcs_apply_seaice
285    o pkg/seaice: moved DIFFERENT_MULTIPLE from seaice_model to seaice_dynsolver
286      http://forge.csail.mit.edu/pipermail/mitgcm-devel/2008-January/003173.html
287    o verification/seaice_obcs: updated for restart test and latest options
288    o pkg/seaice: add a new flag SEAICEuseTEM to use a slightly different
289      ice rheology (so-called truncated ellipse, that gets rid of tensile stress);
290      for now this is only available for the C-grid code and also within
291      #ifdef SEAICE_ALLOW_TEM, because this option may slow down the EVP code
292    
293    checkpoint59m
294    o pkg/seaice: use different time constant for melting (SEAICE_gamma_t)
295      and freezing (SEAICE_gamma_t_frz) ice due to mixed layer temperature
296    o gad_som : fix flux output (& diagnostics) to have same units as other  
297      advection scheme fluxes (was previously multiplied by deltaT).  
298    o added verification/seaice_obcs both to test seaice open boundaries
299      and to provide an example matlab scrpt for generating them
300    o added verification/lab_sea/input.salt_plume for testing pkg/salt_plume
301    o pkg/salt_plume: clean up salt_plume_frac.F to
302      remove redundancy in PlumeMethod 1 and 4
303    o pkg/kpp: added saltplume diagnostics
304    o pkg/obcs and pkg/seaice:
305      - do not set uice and vice to zero when OB*icefile are unspecified
306      - OBCS_SEAICE_AVOID_CONVERGENCE is undefined by default
307      - moved seaice tracer obcs after call to seaice_growth
308    o pkg/salt_plume: added various options for salt plume depth
309      criterion and for vertical distribution of the salt
310    
311    checkpoint59l
312    o pkg/ptracers: new version of ptracers pickup:
313      read meta file and write only fields which are needed to restart.
314      ( same logic as main pickup file ; also using pickupStrictlyMatch )
315    o pkg/seaice:
316      - add timescale for melting due to warm mixed layer as a means of
317        setting SEAICE_availHeatFrac more conveniently
318      - add a CPP-flag/runtime parameter check for flooding algorithm
319      - reformulated availHeat in seaice_growth.F to be independent of AREA
320    o change units attribute of EmPmR netcdf variables to kg/m^2/s to reflect recent
321      unit changes
322    o pkg/obcs: added OBCS_SEAICE_AVOID_CONVERGENCE constraint
323    o cg2d.F: add 3 compiler directives that speed up this routine by 30% on a NEC
324      SX vector computer.
325    o pkg/seaice:
326      - removed SEAICE_FFIELDS.h and seaice_get_forcing.F
327        seaice forcing fields can now be read only through pkg/exf
328      - removed some unused halos
329    o no longer write pickup from THE_MODEL_MAIN but always from FORWARD_STEP
330    o pkg/exf: added useRelativeWind EXF_PARAM.h option for subtracting U/VVEL
331      or U/VICE from U/VWIND before computing U/VSTRESS
332    
333    checkpoint59k
334    o pkg/seaice: ICE2WATR=SEAICE_rhoIce/rhoConst for consistency between
335      dynamics and thermodynamics. Set ICE2WATR=0.92 to reproduce older results.
336    o fix un-initialised variable problem (in mom_vecinv & shap_filt):
337      all experiments pass when compile with un-initialised var. checking option.
338    o added pkg/salt_plume
339    o script to test restart (for now, in MITgcm_contrib/jmc_script)
340    o pkg/seaice: new read/write pickup version.
341      read meta file and write only fields which are needed to restart.
342      ( same logic as main pickup file ; also using pickupStrictlyMatch )
343    o pkg/seaice: fix bug in seaice_ocean_stress (call of seaice_calc_strainrates)
344    o lab_sea.hb87: modify the domain & update output.hb87.txt :
345      lat-long grid & no-slip BC in seaice-dynamics produce different sigma12
346      at j=1 & j=Ny+1 : this case is not treated correctly in the restart
347      process. Fixed here by closing the domain at the Northern boundary.
348    o pkg/rw: cleaning-up: call directly new MDSIO S/R MDS_READ/WRITE_FIELD.
349    o pkg/mdsio: add new arguments to MDS_READ/WRITE_FIELD for reading/writing
350      a set of consecutive levels in/from a 3-D array.
351    o pkg/ptracers:
352      use a 2 characters string ioLabel to identify tracer (if more than 99 tracers).
353      to-do: fix pkg/diagnostics when large number of diagnostics are defined.
354    
355    checkpoint59j
356    o in pkgs: dic, obcs, offline, rbcs:
357      standard way to compute coeff. for time interpolation between 2 time reccords
358      which retains full precision (& make results less dependent on compiler).
359      update output of exp: tutorial_cfc_offline & tutorial_global_oce_biogeo.
360    o pkg/cfc: if compiled with exf and seaice, cfc now can use fields from those
361      packages instead of reading ice cover and wind speed separately
362    o split PTRACERS.h in 2 header files: PTRACERS_FIELDS.h & PTRACERS_PARAMS.h
363     (keep a temporary version of PTRACERS.h in verification/OpenAD/code_ad_openad
364      to allow to compile customized code before the update)
365    o cleaning-up:
366      - fix CPP instruction syntax in pkg/obcs
367      - replace (some) call to MDSIO S/R with call to RW interface S/R ; and
368        add #ifdef ALLOW_MDSIO elsewhere (allows to compile without pkg/mdsio)
369      - fix some threads issue in IO parts.
370    o pkg/dic:
371      - add tons of "_d 0" (--> much better testreports !)
372       and then update outputs of tutorial_global_oce_biogeo
373    o pkg/mom_fluxform:
374      add a special version of momentum advection intended to conserve momentum
375      next to a bathymetry step or a coastline edge. (default = off = #undef)
376    o new read/write pickup version:
377      - for now, only implemented for main (mdsio) pickup file.
378      - write out only what is needed to restart; merge pickup_nh , pickup_ph
379        and main pickup together.
380      - read meta file; read only what is needed to restart; stop if a field
381        is missing (if pickupStrictlyMatch=T, = the default) or try to restart
382        if it make sense (even if the restart is not perfect).
383      - if no meta file, assume that pickup to read corresponds exactly to
384        a pickup that would currently be written.
385      - read pickup written in the old format (until checkpoint59i) if it
386        recognizes an old meta file (no field-list).
387      - add a meta file in exp. which starts from a pickup: 2 cases:
388        a) minimal meta file (with just file precision) + pickupStrictlyMatch=F
389         e.g.: global_ocean.90x40x15/input/pickup.0000036000.meta
390        b) a meta file describing the content of the associated pickup file
391         e.g.: tutorial_global_oce_biogeo/input/pickup.0004248000.meta
392    o pkg/mdsio & pkg/rw:
393      - new routine to read a meta file ; new set of routine to read
394        Multiple-fields file (with meta file).
395    o added open boundary conditions capability for seaice
396        HSNOW, HSALT, UICE, and VICE
397    
398    checkpoint59i
399    o adjoint:
400      * fix multiDimAdvection adjoint
401        (partial recomputation problem by TAF for fVerT(:,:,kDown)
402        and comlev1 size definition (maxpass vs. max. number of tracers)
403      * verification/global_ocean.90x45x15 adjoint now tests
404        NLFS and multiDimAdvection using DST3 (=30)
405      * verification/lab_sea now tests multiDimAdvection using DST3 (=30)
406    o pkg/kpp: add "_d 0" to real constant (if missing);
407      update output of exp: natl_box (10.digits); vermix (std, 7.digits)
408      and lab_sea, 3.FW (only 6,4,6 digits match) & AD (8.digits).
409    o prepare for "clever pickup" implementation: add new header file "RESTART.h"
410      for internal parameters related to restart process (formerly from PARAMS.h)
411      and add startAB parameter to argument list of S/R ADAMS_BASHFORTH2.
412    o more standard interface to {PKG}_WRITE_PICKUP with pickup suffix passed
413      as argument. (only atm2d & obcs write_pickup have not yet been updated)
414    o pkg/monitor:
415      - use GLOBAL_SUM_TILE instead of _GLOBAL_SUM
416      - fix mon_stats_rs (statistics over the full domain, even where field is zero)
417      - account for deep Atmosphere factor and density factor (anelastic)
418    o added open boundary conditions capability for seaice HEFF and AREA
419    o pkg/shelfice: add option for convservative form of Hellmer&Olbers (1989)
420      thermodynamics
421      - requires a little reorganization, which affects the testreport results
422        of isomip.htd (only 7 digits of cg2d agree) => update/modify experiment,
423        so that now the conservative form is tested
424      - add a few comments
425    o add missing cvs Header: or Name: in eesupp/*, pkg/* & verification/code*
426    o add a little bit of code to gad_os7mp_adv_?.F to help vectorization
427    o add new diagnostics to seaice: advective, diffusive fluxes (only for
428      multidim-advection, for scheme 2 they are not filled) and transports,
429      thermodynamic growth rates
430    o change units of EmPmR (inside the code, + within coupling interface)
431      from m/s to kg/m2/s (mass flux) but leave input file unchanged.
432      Affects results @ truncation level (cg2d match) and update output of
433       experiments: lab_sea(6), global_ocean.90x40x15(10),
434      global_ocean.cs32x15(11x3,10), natl_box(11), tutorial_global_oce_latlon(11)
435      + adjoint results: global_ocean_ebm(11) and lab_sea (12).
436      Coupled set-up: allow to restart from previous pickups (cpl_oldPickup=T).
437      Next: will retire convertEmP2rUnit (simply using mass2rUnit instead).
438    
439    checkpoint59h
440    o pkg/exf:
441      - improve vectorization by moving if-statement out of loops in
442        exf_mapfields, exf_radiation
443      - exf_bulkformulae.F: introduce 2D fields and vectorize code
444    o pkg/kpp: added the salt plume scheme (ALLOW_SALT_PLUME) to KPP package
445    o testreport:
446      - allow to test for Qnet & SeaIce monitor output; clean-up ALLOW_BULK_OFFLINE
447        monitor & update offline_exf_seaice exp. output.
448      - AD testing: pass/FAIL according to Grad. output accuracy (instead of Cost)
449    o pkg/seaice:
450      - bug fix in the evp solver: boundary conditions were affected be
451        masking of zMax/zMin (changes results)
452      - minor bug fix in boundary conditions in seaice_calc_strainrates
453        (changes results for no_slip)
454      - seaice_lsr.F: make interpolation of eta dependent on boundaries
455      - replace hardcoded lower limit for zeta (zMin) by runtime parameter
456      - add a test to lab_sea, that tests the Hibler and Bryan (1987) ocean
457        stress formulation and no-slip boundary conditions
458    o pkg/ptracers: Temporary fix for PTRACERS_useGMRedi & PTRACERS_useKPP
459      in gad_calc_rhs.F ; add few safety stops in initialisation phase.
460    o pkg/seaice: a first HSALT time stepping equation has been checked in
461    o pkg/seaice: replaced maskW with seaiceMaskU and maskS with seaiceMaskV
462      in seaice_lsr.F; this solves the pkg/seaice-pkg/obcs problem
463      without requiring DO-IF statements
464    o pkg/thsice:
465      use continuous power-law function for partition of energy between lateral
466      melting/freezing and thinning/thickening ; old code using step function
467      still available with #undef THSICE_FRACEN_POWERLAW
468      update output of exp: aim.5l_cs.thSI, global_ocean.cs32x15.icedyn & .thsice
469    o testreport: change AD testing : check against results/output_adm.txt
470      using same scripts as for forward test.
471    
472    checkpoint59g
473    o adjoint testing: in preparation for changing testreport:
474      - output format: cost and grad written on separated lines
475      - ad output results in directory "results" (instead of "results_ad")
476    o pkg/seaice: adding ice salinity HSALT as a prognostic variable
477    o pkg/seaice: changes for using pkg/seaice with pkg/obcs
478    o pkg/ecco: allow user defined cost function contributions
479    o testreport:
480      Allow to choose (per experiment) the list of tested output variables
481       and the main variable (used to issue a pass/FAIL ) ;
482      - for now, done by adding the specific list in file: [exp]/input/tr_checklist
483      - default is unchanged: >cg2d< , (T,S,U,V,5 tracers)_[min,max,mean,StD] ;
484      Also modify printing of summary:
485       a) ">" NN "<" indicates the "main" variable (used for pass/FAIL)
486       b) echo the list of tested variables in the individual summary.txt of
487          each experiment.
488    o new S/R GLOBAL_SUM_TILE to compute global sum independently of number of
489      threads and number of processes (with #define GLOBAL_SUM_SEND_RECV)
490      (but still depend on the tile decompostion of the domain).
491    o pkg/seaice: change a discretization detail to make the B-grid code
492      "more symmetric". This change is likely to remove all "ridges/leads" that
493      where quasi-aligned with the grid in B-grid solutions. It may also be
494      the solution to the stress coupling issues with the B-grid.
495    o each tested exp: add a "run" directory with a standard ".cvsignore" file ;
496      remove .cvsignore from input dir. (since testreport no longer run here).
497    o pkg/thsice:
498     - cleaning: move common block out of "THSICE_2DYN.h" (removed) to "THSICE_VARS.h"
499     - fix reshaping of sea-ice just after advection:
500       melt all the ice only if ice-volume is too small.
501     - re-visit lateral/thinning repartition of melting (modifs from May 04, 2007):
502       prevent lateral melting if sea-ice fraction is too close to iceMaskMin ;
503     and update experiment global_ocean.cs32x15.icedyn (+start from pickup files).
504    o external_forcing_surf : extend the use of salt_EvPrRn & temp_EvPrRn (fresh-water
505      tracer content) to linFS or no RealFreshWaterFlux ; default remains unchanged.
506    o define mass2rUnit & rUnit2mass as units conversion factor, used for surface
507      forcing. mass2rUnit: from mass per unit area [kg/m2] to r-coordinate unit
508      (z-coord: =1/rhoConst ; p-coord: =gravity) ; rUnit2mass is just the reverse;
509      and remove horiVertRatio (& recip_horiVertRatio). Affects truncation error
510      of exp. global_oce_in_p: 10 16 16 14 16 13 16 16 16 13 13 13 16 13 13 12 16
511      -> update output.txt
512    o pkg/cd_code: add brackets in multiple terms sum (S/R CD_CODE_SCHEME):
513     this affects truncation error: -> update output.txt of exp:
514      global_ocean.90x40x15 (fw&adm), lab_sea (fw&adm) & lab_sea.lsr,
515      ideal_2D_oce, isomip.htd, natl_box, tutorial_global_oce_latlon.
516    
517    checkpoint59f
518    o pkg/autodiff: zero_adj resets an ajoint variable to zero (in adjoint mode)
519    o pkg/ctrl: ctrl_bound  forces parameter corrections to stay in
520      a bounded range (in forward mode)
521    o pkg/ecco, ctrl, autodiff and mom_common:
522     internal parameter controls, completements of implementations
523    o add few EXCH S/R (UV_BGRID, UV_DGRID, SM) for B & D-Grid velocity & 2nd Moment Sxy.
524    o use UV_BGRID exch for dxV,dyU: for now, only with pkg/exch2 & forward ;
525      (not seem any difference in testing results).
526    o pkg/cd_code: use the right EXCH calls (for CS-grid); but problem remains
527       at face corners.
528    o pkg/generic_advdiff:
529     - in GAD.h, define as parameters (iMinAdvR,iMaxAdvR,jMinAdvR,jMaxAdvR)
530      loop range indices for computing vertical advection tendency
531      and do the calculation in the interior only (no overlap) ;
532      for now, only implemented for SOM advection (to save CPU time).
533     - add argument "withSigns" to S/R FILL_CS_CORNER_TR_RL (needed for SOM_xy moment)
534    o exch2 adjoint
535      First set of changes:
536      - add exch2 hand-written adjoint templates
537      - exch2 hand-written no longer use TAF-flag 'nownew_arg'
538        This will require cleanup in pkg/autodiff/*.F
539        (changed routines currently kept separate in verif. code/)
540      - Comment all relevant #ifndef ALLOW_AUTODIFF_TAMC
541        that used to hide exch2 or cubed-sphere specific code
542        (commented via 'cph-exch2')
543    o pkg/seaice
544      - Close southern and western boundaries for UICE/VICE when useOBCS=.TRUE.
545    o pkg/bulk_force: fix loading into Qsw of Short-Wave flux; and update
546       output of global_ocean.cs32x15.thsice .
547    
548    checkpoint59e
549    o exch2: new S/R that only use the cube-tracer (center-position) exchange:
550      for B-grid vector (not yet tested) and C-grid vector (<- only used
551      when option W2_USE_R1_ONLY in W2_OPTIONS.h is defined).
552    o starting implementation of Duffy et al. (GRL 1999) salt plume scheme
553      (#ifdef ALLOW_SALT_PLUME)
554    o gather_2d/scatter_2d: removed halo regions
555    o gmredi: add option (GM_taper_scheme='fm07') for Ferrari & McWilliams 2007
556      scheme and the corresponding test case (under front_relax dir). For now,
557      only available with Skew-flux form and not yet tested in realistic set-up.
558      adjoint: store directives updated, but gradient checks deteriorated,
559      so maybe GM/Redi adjoint is now broken.
560    o seaice adjoint
561      * add AREA, HEFF, HSNOW as control variable
562        (should not change lab_sea results)
563      * CTRL_OPTIONS.h needs new flag: CTRL_SET_OLD_MAXCVARS_40
564    o pkg/seaice:
565      * added computation of saltFlux in seaice_growth;
566        For time being, sea ice salinity is assumed constant
567        contribution of snow flooding to freshening of sea ice is neglected.
568        SEAICE_salinity is set in SEAICE_PARM01 of data.seaice and it
569        defaults to 0.0 in order to maintain backward compatibility.
570        Typical values for SEAICE_salinity are 4 to 10 g/kg.
571      * replaced dRf(1) with dRf(kSurface)*hFacC(kSurface) in seaice_growth.F
572      * added SEAICE_availHeatFrac, which specifies fraction of surface level
573        heat content used to melt or grow ice
574      * commented out cap of HICE: it helps keep ice thinner
575      * reintroduced cap of HEFF via MAX_HEFF and SEAICE_CAP_HEFF option
576      * applied OBCS T/S mask to HEFFM sea ice mask
577    
578    checkpoint59d
579    o standard name: {PKG}_DIAGNOSTICS_STATE to fill diagnostics array
580     for {PKG} state variables, and called from DO_STATEVARS_DIAGS.
581     (keep {PKG}_DIAGNOSTICS_FILL for non-state variables diagnostics)
582    o pkg/gmredi (gmredi_readparms.F): add some missing "_d 0"
583     and change default value of parameter "GM_Small_Number";
584     update output of exp: lab_sea (x2), cfc_example, global_ocean.90x40x15,
585       global_ocean.cs32x15 (x4), global_ocean_ebm, global_with_exf,  
586       tutorial_global_oce_biogeo, tutorial_global_oce_latlon
587    o pkg/ecco: cost function when applying pkg/smooth to controls
588    o pkg/ctrl: add forcingPrecond run time parameter
589    o pkg/seaice:
590     - replace ZMIN=4.e8 with ZMIN=0. in dynsolver.F as in C-grid code
591     - fix bug in metric terms of u-equation in LSR solver (implicit part),
592       changes verification/lab_sea
593     - rearrange implicit part of u-equation in LSR solver to make it easier to
594       read, understand, and debug. This causes changes at the truncation level.
595     - fix (serious) bug in the boundary conditions (sign error in the implicit
596       part) of the LSR solver. Changes all LSR results.
597     - fixed problem with HSNOW initialization to avoid thick snow when AREA
598       is initilized with small values - does not change lab_sea results.
599     - added HsnowFile initialization capability
600    o pkg/smooth: addition to model/src and pkg/ctrl so allow
601     initialization of pkg/smooth and application to control vector
602    o pkg/seaice: fix another bug in the LSR no-slip boundary conditons
603    o dependencies: pkg/profiles requires pkg/cal
604    o pkg/profiles:
605     - added option ALLOW_PROFILES_GENERICGRID
606         -> pkg/profiles can thus be used with any grid (e.g. cs32x15) assuming
607         that interpolation information (grid points and coefficients) is provided
608         within the netcdf input files.
609         -> sample matlab scripts can be found in MITgcm_contrib/gael
610         that allow you to prepare netcdf input files.
611     - also modified: cleaner include statements, cleaner error print statements,
612       cleaner stops when error, and more tests of the netcdf input files consistency.
613    o additional test (in global_ocean.cs32x15) using seaice+thsice pkgs.
614    o pkg/seaice:
615     - move seaice-diagnostics from seaice_do_diags to do_statevars_diags; this
616       requires a new routine: seaice_diagnostics_fill.F
617     - make sure that seaice does not move if not forced (pressure replacement
618       method, Hibler and Ip, 1995), changes results
619     - and new damping criterion for EVP solver according to Hunke, JCP, 2001
620     - SEAICE_evpDampC = > 0. turns it on (615. is the recommended value).
621       It is turned off by default (=-1.), because it changes the results.
622     - make it possible to read AREA from a file, too.
623    
624    checkpoint59c
625    o add S/R and diagnostics for oceanic mixed-layer depth
626    o move GMRedi call after all vertical mixing schemes (including KPP)
627    o pkg/thsice:
628     - ensure iceMask > iceMaskMin : this problem appeared after May-04 modifs
629      (melt only laterally if thin ice): update output of global_ocean.cs32x15.thsice
630    o pkg/obcs:
631     - bug fix for balance code
632    o pkg/seaice:
633      - allow values of SEAICE_elasticParm > 1
634      - add new parameter SEAICE_evpTauRelax as an alternative
635        to SEAICE_elasticParm
636      - make lsr boundary conditions free slip (by default), changes result
637      - add code for no slip boundary conditions for lsr
638      - set minimum of zeta to zero (and not 4e8) (changes results)
639      - add a cap on AREA after advecting AREA if seaice_growth is not called
640    o change calculation of Visbeck K:
641      - no longer depend on tapering scheme; instead, compute slope (limited
642        by GM_maxSlope). this is equivalent to what was comuted before with
643        clipping or linear tappering.
644      - fix vertical averaging (wrong by 1/2 level)
645      - leave the old version (but will not be maintained) within
646        #ifdef OLD_VISBECK_CALC / #endif
647      - update output of exp. ideal_2D_oce
648    o change error catch in calc_r_star to improve vectorization
649    o exf runoff and seaice: remove ALLOW_SEAICE from exf pkg files and
650      add #define ALLOW_RUNOFF in SEAICE_OPTIONS.h (when not using exf).
651    o adjoint:
652      Re-organized adjoint checkpointing according to Matt Mazloff
653      (but with modifs/completions/cleanups)
654      Storing is now bundled into large arrays to optimized I/O
655      (and second step in cleanup of the_main_loop)
656    
657    checkpoint59b
658    o coupler (pkg/atm_ocn_coupler, pkg/ocn_compon_interf, pkg/atm2d):
659      - export/import (between ocean & coupler) fields needed for ocean DIC.
660    o pkg/seaice:
661      - get rid of three more exchanges seaice_calc_viscosities (required
662        different loop boundaries in seaice_lsr and seaice_ocean_stress)
663      - bug fix in seaice_ocean_stress (update of lab_sea required)
664      - reduce loop boundaries to necessary minimum also in seaice_evp
665      - go back to the old way of computing deltaC/Z as the adjoint likes that
666        better
667    o Refresh of tutorial_global_oce_latlon (includes changing salinity-like
668      passive tracer to an Age Tracer) + update output.txt
669    o pkg/exf:
670      - implement A-grid / C-grid selection for wind-stress input files.
671      - clean-up exf_wind.F (remove us, use wspeed instead ; add wStress)
672      for now, in exf_bulk_largeyeager04.F only :
673      - change implementation for case where windspeed + 2. components wind-stress
674        are read-in. AND use rhoConstFresh to convert evap.
675    o pkg/seaice:
676      - use correct EXCH_UV for wind-forcing (on A-grid).
677      - change SEAICE_OPTIONS.h to limit the number of option combinations (regarding
678        SEAICE_EXTERNAL_FORCING & SEAICE_EXTERNAL_FLUXES); add corresponding stops.
679    o pkg/exf:
680      - default EXF options are now set in EXF_OPTIONS.h (ifndef ALLOW_AUTODIFF_TAMC)
681      EXF_INTERPOLATION:
682      - merge global_with_exf/code version of exf_interp_read.F
683        to the main code ;
684      - Add new option: EXF_INTERP_USE_DYNALLOC to use Dynamical Allocation when
685        reading the file ; Important: This options needs to be defined to recover
686        previous code.
687        otherwise, use fixed size array to read in (size=exf_interp_bufferSize).
688      - no longer loose real*8 precision along the way when using exf_iprec=64.
689    o pkg/seaice: rearrangement of common blocks (really needs more cleaning up)
690      - change discretisation of evp-solver in order to avoid another exchange
691        (changes lab_sea) and clean up a little
692      - replace SQRT(MAX(deltaC,SEAICE_EPS)) by MAX(SQRT(deltaC),SEAICE_EPS)
693        help the adjoint (this also changes the results slightly)
694      - add a few "_d 0" where they had been missing in seaice_evp.F
695      - cleaning up: remove unused seaice_calc_rhs.F
696    o pkg/exf: some cleaning-up:
697      - change various "constants" into runtime parameters
698      - cleaned-up Large&Yeager04 routine which should eventually
699        replace exf_bulkformulae.F (changed names of S/R and CPP)
700        and merged various ALLOW_ATM_WIND options
701     only used with thsice pkg (in thsice_get_exf.F):
702      - implement fixed turbulent transfert Coeff over ice (as in Large&Yeager04)
703        which are used when useStabilityFct_overIce=TRUE (= the default)
704      - change default values of ice & snow emissivity and scale downward LW
705        by ice & snow emissivity.
706    o pkg/thsice:
707     fix few little problems, in thsice_calc_thickn.F:
708      - growth vertically (and not laterally) if iceFrac == iceMaskMax
709      - melt only laterally if hIce < hThinIce (as the comments say)
710      and in thsice_extend.F:
711      - allow to form ice even when iceFrac == iceMaskMax (by increasing thickness)
712      - start to form ice as soon as the minimum ice-volume is reachable.
713     update output of test-exp: aim.5l_cs(thSI), global_ocean.cs32x15(thsice),
714      and cpl_aim+ocn
715    o pkg/kpp
716     - move computation of surface related input fields to KPP into a new
717       subroutine kpp_forcing_surf.F
718     - remove wrong (within bi,bj loops) EXCH calls.
719     - little cleaning (add argument myThid in last position, cvs header ...)
720     - for now, fix conservation problem by exchanging KPPviscAz (may not
721       be the best fix)
722    o pkg/seaice
723     - check for inconsistent evp parameter/cpp-flag combination
724     - remove leftover errIO flat for obsolete name list error handling
725    o OpenAD
726     - changed verification/OpenAD to full baroclinic setup (including GM/Redi)
727    
728    checkpoint59a
729    o pkg/seaice: some parameter clarifications and a little bit of clean up
730    o pkg/thsice: rename run-time parameters:
731       himin       -> hIceMin
732       himin0      -> hThinIce
733       hihig       -> hThickIce
734       i0          -> i0swFrac
735       transCoef   -> bMeltCoef
736       frac_energy -> fracMelting
737      add new parameters: hNewIceMax, fracFreezing, dhSnowLin
738       with default values (for now) that do not change the results.
739      remove old version of thsice vars advection in pkg/seaice.
740    o in FFIELDS.h:
741      - replace #ifndef ALLOW_EXF  by #ifndef EXCLUDE_FFIELDS_LOAD
742      - make pLoad & sIceLoad always available (but still only used if
743         ATMOSPHERIC_LOADING is #define).
744    o pkg/kpp: replaced _KPP_RL with _RL
745    o bug fixes for vertical diffusivity computations when both KPP and
746        3D diffusivity arrays are used; pkg/kpp/kpp_calc_diff_s & _t.F
747        are no longer updating the vertical diffusivity array
748        (passed as argument) but are (re-) setting those arrays.
749    o pkg/seaice: fix bug in evp solver, while doing that
750      - change (improve?) discretization of stress computations for both
751        cgrid-lsr and evp solver
752      - add a new routine to compute strain rates
753      - the above changes lab_sea results
754      - add no slip conditions for evp solver (off by default), lsr-version
755        may follow
756      - fix exchange for shear at Z-points (does not change lab_sea)
757      - retire SEAICEuseEVP, instead turn on EVP by setting SEAICE_deltaTevp
758        (to force the user to pick a time step since there is not "safe" way
759        of choosing it)
760      - add principal stress diagnostics
761      - rearrange fields for evp a little to avoid having to call a: too many
762        exchanges and b: exchanges for stress trensor components which we do
763        not have.
764      - modify Hibler+Bryan (1987) stress coupling so that it reuses information
765        of evp, complete rewrite for lsr case (latter is does not yet work
766        in all cases)
767    o pkg/kpp: add code to have mixing in shelf ice caverns
768      - add myThid to all kpp routines (long overdue)
769    
770    checkpoint59
771    o pkg/exf:
772      - fix wind-stress location: defined on A-grid (if ALLOW_ATM_WIND &
773        ALLOW_BULKFORMULAE or USE_EXF_INTERPOLATION), otherwise, defined on C-grid
774      - move exf header files from lower_case.h to UPPER_CASE.h ;
775        add missing cvs Header & Name
776      - add adjoint routines and flow dirs for newly used exch_uv_agrid routines
777      - add namelist param. selectStressGridPosition, exf_monFreq
778      - retire many _CLIM routines, and remove data.exf_clim
779        + params moved to data.exf
780        + climsst, climsss now handled by exf_set_gen, i.e.
781          climss?period=0 refers to constant field,
782          climss?period=-12 to monthly forcing
783      - split up namelists in data.exf
784    o pkg/seaice:
785      - remove seaice_exch and seaice_exch_uv
786      - remove superfluous exchange of theta
787      - add myThid to seaice_budget_ocean/ice
788      - add new interface for atmospheric wind forcing (C-grid only)
789        + new routine
790        + two new field (taux, tauy for stress over ice)
791        + removed one global field (DAIRN) for C-grid case only
792    o pkg/thsise
793      - 2nd set of modifs for thsice adjoint in conjunction with exf
794    o enable runtime flag useEXF (useCAL is set to .T. if useEXF=.T.)
795    
796    checkpoint58y_post
797    o Added capability for latitudinal dependence of Bryan and Lewis, 1979
798      vertical diffusivity, similar to that in MOM4; turned on using
799      #define ALLOW_BL79_LAT_VARY in CPP_OPTIONS.h and specified using
800      diffKrBL79*, diffKrBLEQ*, and BL79LatVary in runtime data file.
801    o Added capability for 3D specification of background vertical diffusion
802      coefficient.  This is done by (i) #define ALLOW_3D_DIFFKR
803      in CPP_OPTIONS.h and (ii) specifying file diffKrFile in runtime
804      "data" file that contains the 3D vertical diffusivity coefficients.
805    o ice dynamics (pkg/seaice) with thsice thermodynamics:
806      - add code within pkg thsice to advect & diffuse sea-ice fields
807      similar to (and will replace) what has been added in  seaice_advdiff.F,
808      but: - conserving Mass, Heat & Salt.
809           - better when using non-linear advection scheme (not yet fully tested)
810           - can also be used in atmospheric set-up (for now, only the diffusion).
811    
812    checkpoint58x_post
813    o IO option for global-file compact format:
814      - add options when generating topology (utils/exch2/matlab-topology-generator)
815      - add I/O capability (pkg/mdsio).
816      - adapt utils/matlab/rdmds.m to read this format.
817      for now long-line format not yet supported by pkg/mdsio (& exch2).
818    o shelfice: add a few diagnostics
819    
820    checkpoint58w_post
821    o p-coord. non-hydrostatic using reference profile for w <-> omega conversion:
822      rVel2wUnit & wUnit2rVel are computed from reference profile Tref,Sref
823      (and replace horiVertRatio in NH code).
824      Update output of exp.: tutorial_global_oce_in_p (useNHMTerms !)
825                         and tutorial_plume_on_slope (sensitive to truncation)
826    o seaice: if ALLOW_ATM_WIND is undefined use wind stress
827      directly to drive seaice model (C-grid only)
828    o exf: when input wind-stress (#undef ALLOW_ATM_WIND):
829     - reintroduce computation of wind from stress,
830     - compute tau (in exf_bulkformulae.F) from windstress averaged to
831       mass points to avoid tau = 0
832     - fix serious bug: (1/3) in Fortran is not the same as (1./3.)
833    o rdmnc.m: make it work with "global" files created with gluemnc
834    o rdmnc.m : some improvements in dealing with singleton dimension
835      (tested on all testreport mnc output files).
836    o genmake2: disable pkg/profiles if netcdf test fails.
837    o cpl_aim+ocn exp.: use consistent rhoConstFresh in Atm & Ocn; update output.
838    o move call to cal_readparms up to make calendar parameters/variable available
839      to all packages
840    
841    checkpoint58v_post
842    o change EOS (from POLY3 to JMD95P) in global_ocean.90x45x15 to get
843      useDynP_inEos_Zc tested.
844    o pkg/exf: changes to properly interpolate/mask/scale initial fields
845    o utils/matlab/cs_grid/read_cs: routines to speed up reading of CS510 fields
846      and portions thereof.  See read_cs.txt for description and examples.
847    o utils/matlab/cs_grid/bk_line: to compute transport through passages,
848      add a script (grt_circ_bkl.m) to generate broken-line between 2 points,
849      following the great-circle arc between those 2 points.
850    o trap un-initialized variable with pathscale compiler on weddell.mit.edu
851      (thanks to Constantinos): fix few problems and get (almost) all exp to pass.
852    o 2nd-Order Moment Advection Scheme (Prather, 1986): first check-in
853     - enable by setting #define GAD_ALLOW_SOM_ADVECT (in GAD_OPTIONS.h)
854     - used without limiter (AdvScheme=80) or with Prather limiter (AdvScheme=81)
855     - still needs work (not working with some options ; efficiency to improve)
856       and serious testing.
857     - use this scheme for temperature & salinity in 2 advection test exp.:
858       advect_xy & advect_xz, respectively.
859    
860    checkpoint58u_post
861    o new test-exp: fizhi-cs-32x32x40 (40 levels) to replace the 10 levels.
862    o move call to INI_FORCING from PACKAGES_INIT_VARIABLES to INITIALISE_VARIA.
863    o testreport: add option "-skipdir" to skip some test.
864    o exf: when input wind-stress (#undef ALLOW_ATM_WIND), by-pass turbulent
865      momentum calculation.
866    o gad_advection: fix vertAdvecScheme (if different from advectionScheme)
867    o some cleaning: usePickupBeforeC35 no longer supported ; remove this option.
868      remove checkpoint.F and the_correction_step.F (no longer used);
869      do the k loop inside CYCLE_TRACER (supposed to be more efficient).
870    o add option (linFSConserveTr) to correct for tracer source/sink due to
871      Linear Free surface
872    o pkg/seaice: fix a bug in the flooding algorithm: turn off the snow machine
873    o pkg/thsice: fix reading mnc-pickups
874    
875    checkpoint58t_post
876    o pkg/diagnostics: fix multi-threaded output (when singleCpuIO=F)
877    o pkg/mdsio:
878     - clean-up mdsio_readfield.F & mdsio_writefield_new.F and
879       move to new files: mdsio_read_field.F (S/R MDS_READ_FIELD) &
880       mdsio_write_field.F (S/R MDS_WRITE_FIELD);
881     - fix multi-threaded singleCpuIO option in MDS_WRITE_FIELD
882     - collect old S/R  in one file: mdsio_rw_field.F (now just a call to
883       either MDS_READ_FIELD or MDS_WRITE_FIELD )
884     - new S/R (to replace MDSWRITEMETA), which allows to write more
885       informations (variable names, time ...) to meta files.
886     - modify rdmds.m to give back the meta file content.
887    o pkg/diagnostics: change vertical interpolation to be safer, and more
888       flexible (define p-levels to interpolate to in data.diagnostics);
889      add argument to S/R DIAGNOSTICS_GET_POINTERS to catch the right
890       diagnostic pointer.
891    o pkg/seaice: more cleaning up of seaice_growth, added many comments
892    o pkg/exf: put runoff0 and runoff1 into the appropriate common block
893    o fix multi-category seaice:
894     - change cpp flag SEAICE_MULTILEVEL to more meaningful name:
895       SEAICE_MULTICATEGORY
896     - fix short wave heat flux
897    o pkg/seaice: change default (SEAICE_OPTIONS.h): use C-grid dynamics
898       and allow to use EVP solver. Change forward lab_sea: test both EVP
899       solver and LSR solver, and use C-grid dynamics (like lab_sea adjoint)
900    o Initial check-in of lab_sea adjoint
901      (very similar to natl_box_adjoint/code_seaice)
902      * used C-grid and EVP solver
903      * used KPP, GM/Redi
904      * uses inAdExact=.TRUE.
905      * gradient checks fail for both ADM and TLM
906        due to sensitive snow melt code in seaice_grwoth (look for "JZ")
907        f.d. gradients actually seem more problematic than ADM, TLM gradients;
908        issue is related to forward mismatch between g77 an ifort
909    o pkg/seaice: overhaul of thermodynamics
910     - growth.F and groatb.F are replaced by new routine seaice_growth.F
911     - budget.F is replaced by two new routines seaice_budget_ocean/ice.F
912     - move a few global fields out of SEAICE.h into seaice_growth.F and
913       make them 2D (FICE/QNETO/ ...)
914     - remove FO (it is the same as QNETO)
915     - introduce a few local fields to avoid modifying external fields such
916       as atemp, etc.
917    
918    checkpoint58s_post
919    o pkg/exf: moved exf_init_runoff.F to exf_init.F and exf_set_gen.F
920      changed exf_set_gen.F so that
921        genperiod=0 means input file is one time-constant field and
922        genperiod=-12 means input file contains 12 monthly means
923    o CG2D: use pre-computed solver main-diagonal (stored in common block);
924      this affects truncation error ; generate new output file for exp. which
925      fails: exp4(12d), fizhi-cs-aqualev20(12d), front_relax(10d),
926        global_ocean.90x40x15(10d), global_ocean.cs32x15(10d).thsice(11d).viscA4(10d),
927        ideal_2D_oce(10d), internal_wave(09d), isomip.htd(11d), matrix_example(07d),
928        MLAdjust(4x11d,12d), natl_box(11d), rotating_tank(12d),
929        tutorial_global_oce_in_p(10d), tutorial_plume_on_slope(11d),
930        vermix(12d).ggl90(12d).my82(11d).opps(12d).pp81(11d)
931    o start implementation of deep-atmosphere and anelastic formulation
932    o verification: remove 2nd copy of input files and use script "prepare_run"
933      to make a symbolic link to the 1rst copy (reduce downloaded size by ~81.M)
934    o mom_common/vecinv/fluxform: fix a few initialisation isssues
935    o profiles: fix for multithreaded case
936    
937    o diagnostics: rename few diags:
938      s/'PRESSURE'/'RCENTER '/g
939      s/'TICE    '/'oceFreez'/g
940      s/'TAUX    '/'oceTAUX '/g
941      s/'TAUY    '/'oceTAUY '/g
942      s/'SWFLUX  '/'oceQsw  '/g
943      s/DIFx/DFxE/g
944      s/DIFy/DFyE/g
945      and add few ocean-forcing diagnostics:
946      atmPload, sIceLoad, oceQnet, oceFWflx, oceSflux, surForcT & surForcS
947    o modifications to pkg/seaice/growth.F and budget.F, which change results of
948      lab_sea experiment: HSNOW was sometimes treated as effective and sometimes
949      as actual snow thickness.  It now refers everywhere to effective snow
950      thickness, meaning that for non-zero AREA, actual thickness is HEFF/AREA.
951    
952    checkpoint58r_post
953    o modifications to pkg/seaice/growth.F, which change results of
954      lab_sea experiment: fixes pertain to melting snow over open water, to
955      masking EVAP under sea ice, and to using the correct AREA variable for
956      computations of EVAP, PRECIP, HSNOW, and GHEFF
957    o add ability to read bathy, salt, and theta using MNC (off by def)
958    o add flooding algorithm and advection of HSNOW for pkg/seaice;
959      both are turned off by default and do no change any results
960    o seaice advection with pkg/thsice: a step toward the use of non-linear
961      advection scheme, but #ifdef or commented out for now (requires more EXCH).
962    o use standard version of PTRACERS_INI_VARIA in tutorial_tracer_adjsens
963      (identical results) and the standard version of EXTERNAL_FIELDS_LOAD
964      in natl_box (affects results @ truncation level: update output.txt)
965    o multi-threading and IO:
966      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
967      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
968        (needed to work with SingleCpuIO): tested in all verif. exp.
969    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
970      affects the results (but none of the verification test uses this scheme).
971    o Adding some pkg/diagnostics capability to pkg/seaice
972      (will certainly be subject to changes)
973    o ctrl: adding new control variables:
974      lwflux, lwdown, evap, snowprecip, apressure, runoff
975    
976    checkpoint58q_post
977    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
978      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
979      high_res_cube configuration by 4% on Columbia.
980    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
981      add (in global_with_exf/code) a version of EXF_INTERP_READ without
982      dynamical allocation (seems to work in multi-threaded).
983    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
984      single CPU io) so that TAF does not have to see EESUPPORT.h
985    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
986    
987    checkpoint58p_post
988    o obcs: stop if obcs is used with useCDscheme = .true.
989    o shelfice:
990     - fix a sign error so that no slip at shelfice interface works
991     - remove stop for combination non-hydrostatic code and shelfice. That does
992       not mean, that the results are correct, but at least they are numerically
993       stable
994    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
995    o added adjoint exch routined for all exch*3d* routines
996      and updated flow directives
997    
998    checkpoint58o_post
999    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
1000      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
1001    o change controling S/R for writing pickup file (new S/R do_write_pickup)
1002      and clean-up reading/writing of pickup files.
1003    o fix local version of read/write pickup (NH part) in rotating_tank/code
1004    o simplify EXCH interface:
1005     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
1006     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
1007    o added the regrid package
1008    o shelfice:
1009     - add a simple boundary layer scheme to reduce noise
1010     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
1011    
1012    checkpoint58n_post
1013    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
1014       local variable (not in common block).
1015    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
1016      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
1017      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
1018        to work with SingleCpuIO.
1019    o add "_d 0" to real constant of pkg/cfc subroutines ;
1020       update exp. cfc_exemple & tutorial_cfc_offline output files.
1021    o multi-threading and IO:
1022      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
1023        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
1024      - barrier before and after reading.
1025      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
1026      - avoid using MDS_WRITELOCAL for LAND pkg output.
1027      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
1028        common-block variables ; Allows multi-threading with master-thread IO.
1029    o change default MAX_NO_THREADS from 32 to 4 ;
1030      and stop cleanly when MAX_NO_THREADS is too small.
1031    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
1032    
1033    checkpoint58m_post
1034    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
1035       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
1036    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
1037       keep global_ocean.90x40x15 (for AD testing) with former secondary test
1038       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
1039    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
1040        add MITgcm_tutorials (= code + all the tutorials)
1041    o ecco, option to compute cost for total ssh (mean+anom)
1042    o consistent with addition of ptracer and ssh in pkg/profiles
1043    o profiles: adding ptracer and ssh
1044    o testreport: change multi-test output-file name
1045      (from output.txt.{name} to output.{name}.txt)
1046    o profiles: now ok for mutli-tiles case
1047    o seaice: add 4 parameters for different advection schemes for area,
1048      (effective) seaice thickness, enthalphy, and snow height. Their default
1049      is the standard parameter SEAICEadvScheme
1050    o calc_gw:
1051     - add cosFacU in zonal viscous flux (harmonic.visc.).
1052     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
1053       of tutorial_plume_on_slope.
1054    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
1055    o calc_gw: true flux-form, account for horizontal grid spacing.
1056      update rotating_tank results, but not plume_on_slope (affected at
1057      truncation level, 11 digits).
1058    
1059    checkpoint58l_post
1060    o calc_gw:
1061     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
1062     - remove side-drag for now (need to fix it); update plume_on_slope results.
1063     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
1064    o commit code to make SST/SSS weights spatially variable
1065      (based on either variable in-situ or variable initial T/S weights)
1066    o pkg/ecco:
1067      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
1068        now based on horizontally varying weights wthetaLev, wsaltLev
1069      * cost_averagesflags now returns year indices in addition to day, month
1070      * sflux balance is performed on annual basis
1071        (sflxumm, sfluxmm2, bal_sfluxmm)
1072      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
1073        including separate counting and multipliers
1074    o pkg/rbcs
1075      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
1076    
1077    checkpoint58k_post
1078    o testreport:
1079     - always build in dir. "build" (if not there, mkdir build instead of building
1080       & running in input)
1081     - run in dir run (if it exists), in build otherwise.
1082     - call prepare_run (if input/prepare_run exists)
1083     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
1084    o pkg/exf modifications to interpolation and rotation routines for more
1085       reasonable treatment of North Pole singularity: for tracers North Pole
1086       value is set to northernmost zonal-mean value, for zonal velocity it is
1087       set to zero, and for meridional velocity it is set to northernmost value.
1088    o pkg/exf/exf_check_range.F
1089     - add tile index to diagnostics and move stop statement to the very
1090       end of the routine.
1091    o pkg/diagnostics: (diagnostics_main_init.F)
1092      define title of isomorphic variables according to the current config.
1093    o pkg/thsice with pkg/seaice dynamics:
1094    - fix domain of computation (interior only, required for exf) and do exchanges
1095    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
1096    o towards a standard way of dealing with multi-threading in MONITOR
1097      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
1098    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
1099       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
1100    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
1101    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
1102    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
1103       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
1104    o tracer advection:
1105     - clean-up and simplify calc_common_factors.F
1106     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
1107       advection subroutine (but still not used within DST advection S/R)
1108    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
1109    
1110    checkpoint58j_post
1111    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
1112      from file (collects calls previously in FORWARD_STEP)
1113    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
1114    o adjoint store dir. adjusted accordingly
1115    o genmake2
1116      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
1117    
1118    checkpoint58i_post
1119    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
1120      on wind stress (SEAICEstressFactor defaults to 1.)
1121    o Total number of Timers is finite (<=40): comment out 2 non-essential one
1122      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
1123    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
1124      on CS-grid: no longer loosing mass.
1125    o exf & curvilinear-grid: no longer modify longitude xC & xG.
1126    o pkg/ggl90: fix sloppy output and fix a bug
1127    o pkg/seaice: added SEAICEuseEVPpickup parameter
1128      - Set to false in order to start EVP solver with
1129        non-EVP pickup files when using SEAICEuseEVP
1130      - fix sign error in diffusion in seaice_calc_rhs
1131    
1132    checkpoint58h_post
1133    * Modifications for bottom topography control
1134      o replace hFacC by _hFacC at various places
1135      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
1136      o add non-self-adjoint cg2d_nsa
1137      o update autodiff support routines
1138      o re-initialise hfac after ctrl_depth_ini
1139      o works for 5x5 box, doesnt work for global_ocean.90x40x15
1140    * Adding verification for 5x5 box (4-layer) bottom topography control
1141    
1142    checkpoint58g_post
1143    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
1144       used for mean seasonal cycle, mean diurnal cycle); add an example
1145       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
1146    o pkg/ggl90:
1147      - add parameter (minimum surface kinetic energy)
1148      - fix bug (avoiding division by zero)
1149    o couple pkg/thsice to pkg/seaice:
1150      - modify advection in seaice to accomodate new scalar fields to be advected
1151      - only muliDimAdection scheme work with seaice/thsice
1152      - mapping of thsice-variables to seaice-variables, back and forth
1153      - does not break the verification experiments, but does not give the
1154        desired results either
1155    o pkg/seaice
1156      - make (default) second order advection a bit less confusing?
1157    
1158    checkpoint58f_post
1159    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
1160      to pkg/seaice):
1161      - new routines thsice_map_exf and thsice_get_exf provide the interface
1162      - add an additional formal parameter to thsice_solve4temp
1163    o pkg/exf:
1164      - add new fields wspeed, snowprecip (to be able to couple to thsice)
1165      - correct Stefan-Boltzmann constant
1166      - new parameter for longwave surface emittance
1167      - separate some stuff from exf_bulkformulae into new routines  
1168        exf_radiation, exf_wind
1169      - add new parameters and constants: longwave emissivity for ocean, ice
1170        and snow, evaporation parameters over ice
1171      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
1172        either wind from stress or stress from wind
1173    o pkg/thSIce:
1174    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
1175    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
1176       and THSICE_CALC_THICKN
1177    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
1178    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
1179      to make debugging easier.
1180    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
1181    o pkg/bulk_force:
1182      - clean-up comments and parameters ;
1183      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
1184    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
1185      generate new output for test-experiment: aim.5l_cs.thSI
1186    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
1187      testreport accordingly
1188    
1189    checkpoint58e_post
1190    o SEAICE_CGRID adjoint done
1191    o R_STAR adjoint implemented.
1192      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
1193      * need to sort out init. of h0facc, etc.
1194    o Make pkg/profile fully independent of ecco,cost, etc. stuff
1195      to be able to use it in pure forward.
1196    
1197    checkpoint58d_post
1198    o upgrade simple test-experiment to tutorial example:
1199     step.1: duplicate the experiment and (step.2) will remove the old copy.
1200      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
1201      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
1202      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
1203      tutorial_global_oce_biogeo    <- copy of dic_example
1204      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
1205      tutorial_plume_on_slope       <- copy of plume_on_slope
1206      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
1207      tutorial_global_oce_optim     <- empty for now (David ?)
1208      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
1209     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
1210    o correct a sign problem in cost_scat.F
1211    o obcs and ptracers: fix boundary conditions for advections schemes
1212      with larger stencil
1213    o thsice adjoint: start
1214    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
1215      completeness
1216    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
1217      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
1218    o ptracers adjoint:
1219      * avoid extensive recomputatations
1220      * fix missing re-init. of gptr (missed by TAF)
1221    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
1222      me to turn off the excessive output to STDOUT that this package produces
1223    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
1224      and add those terms in Vector-Invariant formulation.
1225    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
1226      if the control period (xx_hfluxperiod etc) is 0
1227    o in profiles pkg, clean routines and fix details
1228    o in ecco pkg, reading ssh data:
1229      fix problem in case the model does not start at iter0=0
1230    o fix mnc-pickup/restart for ptracers
1231    o new package prifiles:
1232      code to compute profile-based cost by Gael Forget
1233      (modifs in ecco, ctrl, autodiff)
1234    o Benign bug fix in initialization (spotted by M. Mazloff) of
1235      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
1236    
1237    checkpoint58c_post
1238    o adjoint: finish NLFS adjoint and provide reference output in
1239      verification/global_ocean.90x40x15/results_ad_nlfs
1240    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
1241      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
1242      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
1243      with SEAICE_CGRID defined.
1244    o move calendarDumps from "data" to "data.cal" and clean-up the code
1245      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
1246    o add useEXF & useCAL flags (for now, set in hard-coded way)
1247    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
1248      (were missing in NH mode, and wrong in quasihydrostatic mode).
1249      waiting for Chris updated version of calc_gw to add those CALLs.
1250    o fix bug in quasihydrostatic S/R ;
1251      add a test for this option: global_ocean.90x40x15.qshyd
1252    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
1253      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
1254    o add on/off flag useOffLine for package OFFLINE
1255    o seaice:
1256      - modify advection so that it works also on the C-grid
1257      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
1258        problem in multi-tile runs with C-grid
1259      - add flags for clipping ice velocities and/or masking solver forcing
1260      - fix drag (ocean on ice) formulation and a bug that caused noise in the
1261        C-grid solver
1262      - added a few comments to seaice_diffusion.F
1263      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
1264        are now exclusive)
1265      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
1266        required re-ordering the code a little:
1267       + make DAIRN global variable (defined in SEAICE)
1268       + move computation of the viscosities eta and zeta into a new separate
1269         routine (because I need to recompute them in seaice_ocean_stress.F)
1270    
1271    checkpoint58b_post
1272    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
1273      update output.txt of exp. aim.5l_cs.thSI
1274    o various mnc cleanups and improvements:
1275      + shrink lookup tables by factor of ~4
1276      + better error reporting when running out of lookup space
1277      + able to handle longer path/file names (up to 500 chars)
1278    o adjoint:
1279      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
1280      - TBD: "hidden" mom_vecinv recomp. in dynamics
1281    o change forcing_In_AB to affects both T,S forcing and Momentum forcing
1282     (allow to differentiate between forcing components using new integer flags:
1283      momForcingOutAB=1/0 & tracForcingOutAB=1/0)
1284     and add new flag to put Dissipation tendency out of Adams-Bashforth.
1285    o ecco
1286      - enable trend removal from SSH anomaly obs.
1287    o adjoint
1288      - a fix for PmEpR when #undef EXACT_CONSERV
1289      - fix of "hidden" recomp. in thermodynamics (no TAF warnings)
1290      - try to fix "hidden" recomp. in forward_step for NLFS
1291        (NLFS seems broken sometimes after I checked it in)
1292    o seaice:
1293     - add c-grid version of the dynamic solver:
1294       + three new routines that are the c-grid substitute lsr, dynsolver
1295         and ostres
1296       + put a few fields that were local to dynsolver into global common
1297         blocks, so that I can move the computation of stresses etc into
1298         seaice_lsr (saves coding but may break the adjoint).
1299     - replace more hardwired parameters by runtime parameters
1300     - add ice masks that mask the rhs of the implicit solvers where there
1301       is no ice (commented out in seaice_dynsolver, because i am not sure
1302       if this works properly), eventually this should replace the clipping
1303       of ice velocities in seaice_dynsolver to +/-40cm/s.
1304    o remove the BUILD_INFO.h include from CPP_EEOPTIONS.h and explicitly
1305      include it only where its needed
1306    o move balancing of fluxes before the call of external_forcing_surf
1307    o seaice:
1308      - correct units of turning angles (now they are really in degrees)
1309      - move computation of GWATX/Y out of main routine into dynsolver
1310      - initialize GWATX/Y in seaice_init
1311    o Apply mask on Fresh-Water flux (needed for SSH forcing).
1312      update output.txt of exp. global_ocean_ebm & cpl_aim+ocn (affects cg2d residual)
1313    o seaice: add runtime flags for turning angles (default to zero)
1314    o Adding runtime parameter to exf/, ctrl/, to remove on-the-fly global mean
1315      and trend from exf forcing and ctrl control adjustments
1316    o fix variable aliasing in gad_calc_rhs that cannot be handled by TAF
1317      (since checkpoint57x_post)
1318    o change the default rotation period to 86164.s = the Earth rotation
1319    o 1rst implementation of Implicit IGW using the 3-D solver (use3Dsolver=T)
1320      and based on a reference stratification. Tested within hs94.cs-32x32x5.
1321    o seaice advection: add code for choosing between the default (2nd order
1322      central differences) and multiDim advection schemes provided by
1323      pkg/generic_advdiff
1324    o seaice:
1325      - removed all references to SEAICE_GRID.h fields from
1326        dynsolver, advect, diffus, lsr, without changing the results of lab_sea
1327        (cubed-sphere configuration will change a little)
1328      - grid computations in seaice_init are obsolete now.
1329      - cleaned up code a little so that is easier to read (hopefully).
1330      - added new (better?) discretizations of default advection and diffusion
1331        (turn on with SEAICEuseFluxForm)
1332      - replace 1 in 3d global fields by kSurface in growth.F
1333      
1334    checkpoint58a_post
1335    o seaice:
1336      - bug fix in advect.F
1337    o shelfice:
1338      - separate shelfice load anomaly from pload (breaks with time
1339        dependent forcing), => introduce constant field shelficeLoadAnomaly.
1340        Its default is 0., but it may be computed more cleverly from (unknown)
1341        t- and s-profiles (tRef, sRef) and actual EOS. For now this has to be
1342        done offline. A good approximation of the pressure load anomaly is
1343        necessary to avoid large initial adjustment processes underneath
1344        deep-reaching shelfice.
1345      - small fix in ISOMIP shelfice_thermodynamics
1346      - add more sophisticated thermodynamics of Hellmer (1989), this is
1347        now the default
1348      - give a few constants more intuitive names
1349    o add code to balance EmPmP and Qnet at the end of do_ocean_physics. Useful
1350      if bulk formulae are used in long integration (especially EmPmR). Turn
1351      on with balanceEmPmR = .true. or balanceQnet = .true. in data, PARM01
1352      if balancePrintMean, the imbalance that is substracted is printed to
1353      STDOUT.
1354    o fix bug (typo) in obcs_apply_eta.F
1355    o add a new package shelfice which enables us to model the circulation
1356      underneath shelf-ice with draughts of hundreds of meters.
1357     - works
1358     - to do: + include improved thermodynamics
1359              + check whether kSurfC (from model/inc/SURFACE.h) can be used
1360                instead of new field kTopC
1361              + can we use topoFile, Ro_surf and existing code in ini_depth.F
1362                instead of new field R_shelfIce and new code in ini_depth.F
1363                and ini_mask_etc.F?
1364              + adjust vertical mixing schemes?
1365    o seaice pkg:
1366     - add a cpp-flag to include a simple formula for a salinity dependent
1367       freezing point of sea water at the surface
1368     - change the contents of SEAICE_TEST_ICE_STRESS_1 so that zonal and
1369       meridional stresses are now different (and hopefully correct)
1370    o AIM pkg: change threshold on large-scale condensation to conserve Heat.
1371       update results of aim.5l_LatLon test ; fix title & units of AIM diagnostics
1372       and  change 3 diagnostics names (OSR,OSRCLR,KM -> TSR,TSRCLR,DRAG)
1373    o pkg/diagnostics: add options and parameters for regional-statistics
1374       diagnostics ; define regions by reading a region-mask from a file
1375       (might add other options later)
1376    o pkg/bulk_force:
1377     - add option and parameters to use AIM surface-flux formulae.
1378     - Change loading part: S/R BULKF_FIELDS_LOAD only take care of bulkf_fields ;
1379       others forcing fields (defined in PARM05, parameter file "data") are loaded
1380       from S/R EXTERNAL_FIELDS_LOAD, as usually (with useBulkforce = T or F).
1381     - initialise all bulkf_fields in bulkf_init.F ; do in-lining of exf_bulkcdn.F
1382     - use the right EXCH call for uwind,vwind (to work on CS-grid).
1383     - re-arrange header files (move parameters from BULKF.h to BULKF_PARAMS.h)
1384       and parameters (note: calcWindStress replaces .NOT.readwindstress).
1385     - cleaner interface with pkg/thSIce (new S/R THSICE_GET_PRECIP).
1386    
1387    checkpoint58
1388    o add "--embed-source" option to genmake2 which, when the supporting
1389      tools can be compiled (as determined by genmake2) will turn on the
1390      embed_files package which then embeds the entire MITgcm source code
1391      (*.[fFhc] + Makefile) used for the build within the executable
1392      - requested by CNH but off by default
1393      - adds a paltry <9MB to the mitgcmuv executable in most cases
1394      - only writes the output when useEMBEDSRC in eedata is true
1395    o clean up 3-dim. relaxation codes:
1396      * Fix I/O inconsistency in pkg/rbcs: replace precFloat32 by readBinaryPrec
1397      * Remove 3-dim. relaxation code from pkg/exf (now use only pkg/rbcs)
1398      * Thanks to Tom Haine for testing!
1399    
1400    checkpoint57z_post
1401    o make CG3D solver compatible with Free-surface at k > 1 (p-coordinate):
1402      affects output (@ truncation level) of exp. plume_on_slope ; updated.
1403    o fix the pickup behavior for obcs in combination with ptracers
1404    o fix a bug in ptracers_external_fields_load
1405    o no AB-2 at the first iteration for Gw (consistent with Gu,Gv,Gt,Gs ...)
1406      affects results of NH experiments (but all our NH tests have Gw[it=1]==0 !!)
1407    o transfered surface NH pressure to eta field (if exactConserv).
1408    o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
1409         and update lab_sea output.txt file.
1410    o completing 3-dim. relaxation code: additional term
1411         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
1412      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
1413      * At compile time, in "EXF_OPTIONS.h" set
1414          #define  ALLOW_CLIMTEMP_RELAXATION
1415          #define  ALLOW_CLIMSALT_RELAXATION
1416      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
1417          tauThetaClimRelax3Dim = 15552000.0,
1418          tauSaltClimRelax3Dim  = 15552000.0,
1419      * 3 cases:
1420          1) Use a constant-in-time 3-dim. field
1421          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
1422          3) Real-time relax. to time-evolving prescribed field
1423    o Adding Laplacian-type smoothness constraint on
1424      initial and boundary (forcing) controls (ic, bc)
1425      * enable at compile-time via
1426        ALLOW_SMOOTH_IC_COST_CONTRIBUTION, ALLOW_SMOOTH_BC_COST_CONTRIBUTION
1427      * enable at run-time via mult_smooth_ic = 1, mult_smooth_bc = 1
1428      * Absolute scale somewhat unclear so far
1429      * no area weighting was included since no other cost term does so far
1430    
1431    checkpoint57y_post
1432    First step for a NLFS adjoint
1433    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
1434    o new init. routines for calc_r_star, calc_surf_dr
1435    o still need to deal with ini_masks_etc
1436    o testreport seemed happy
1437    checkpoint57y_pre
1438    
1439    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
1440    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
1441    o add new offset feature to offline pkg (plus minor cleanup)
1442    o cfc fixes for final year of integration
1443    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
1444      be in GCHEM_OPTIONS).
1445    
1446    checkpoint57x_post
1447    o fix testreport Pb in multiple test experiment.
1448    o cleanup our namelist syntax in verification:
1449      - make it more F95 standards compliant (some work still needed)
1450      - allows the vast majority of our tests to work with gfortran
1451    o Non-Hydrostatic:
1452     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
1453     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
1454    o Allow to apply AB on T,S rather than on AB(gT,gS):
1455     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
1456     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
1457       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
1458     - need a "clever" read_pickup to restart from the other AB formulation
1459    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
1460    o remove some unused variables (reduces number of compiler warnings)
1461    o adjoint
1462      * Disable useVariableViscosity for adjoint for time being
1463        (there are a number of extensive recomputations)
1464      * Initialize certain variables needed for adjoint
1465    
1466    checkpoint57w_post
1467    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
1468                 fix the singleCpuIO RS version of MDSWRITEFIELD
1469       and add a WARNING if using globalFiles=T with multi-processors.
1470    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
1471      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
1472    o tracer advection scheme:
1473      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
1474       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
1475       was not very convenient).
1476      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
1477       (further tests needed for the implicit DST & Flux-Limiter schemes).
1478    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
1479      and sRef for convenience, handy, when you want to initialize
1480      ptracers in a large domain with a constant non-zero value. Also,
1481      untangle ptracers_init.F a little.
1482    
1483    checkpoint57v_post
1484    o change dome exp. to use variable viscosity in side-drag terms.
1485    o remove all the files from the cfc_offline test since they are now
1486      incorporated into tutorial_cfc_offline which has been producing
1487      identical results for a few days of testing
1488    o add new parameter: sideDragFactor to enable half-slip-side BC
1489      and change side-drag S/R to use viscosity from mom_calc_visc
1490      (can switch back by setting sideDragFactor=0.); affects results at
1491      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
1492       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
1493    o vorticity & strain are now computed without masking, to account for
1494      no-slip-side BC in variable viscosity calculation ; mask is applied
1495      anyway later on, before computing advection/coriolis terms.
1496    o modify exp4 to test new obcs support for reading from external files
1497      and for passive tracers
1498    o fix behavior of ptracers_monitor when monitor output is written to a
1499      netcdf-file; still not independent of monitor.F (writes in the same
1500      file).
1501    o change default value of tRef (put a uniform, meaningful value for ocean
1502      & atmos) and initialize sRef (was missing, as Martin mentioned).
1503    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
1504      to be proportional to enstrophy dissipation length.  Thus,
1505       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
1506      This is now consistent with Smagorinsky and with the manual.
1507    
1508    checkpoint57u_post
1509    o OBCS and PTRACERS: add open boundary support for passive tracers
1510      - either use homogenous (pseudo) v.Neumann conditions or prescribe
1511        OB-values from file; this is not different from the way theta and salinity
1512        are treated
1513      - however, Orlanski-radiation conditions are not supported, and the model
1514        will stop if you use pTracers and Orlanski at the same time.
1515      - beefed up the rountine obcs_external_fields_load: now only those open
1516        boundary values are overwritten with values from files for which there
1517        are really files, otherwise the OB-fields remain untouched. This makes
1518        it possible to use different OBs at different ends of the domain (as
1519        with EXF)
1520    o reduce number of exch calls in shap_filt (s2).
1521    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
1522      truncation level) 4/5 MLAdjust test results (11&12 digits match).
1523    
1524    checkpoint57t_post
1525    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
1526    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
1527      same truncation, independent of the face number: affects affects several
1528      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
1529    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
1530      note that biharmonic viscosity + no-slip was not tested in any experiment.
1531    o fix bug in non-linear free-surf side-drag ; generate new output for
1532      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
1533    o make mnc honor the writeBinaryPrec flag for most kinds of output
1534    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
1535    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
1536      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
1537    o add brackets in multi-terms sum to get same truncation, independent of
1538      the face number (manage to get exactly same value of gU,gV at the cs-edge)
1539      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
1540    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
1541      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
1542      a maximum grid-scale Reynolds number.  Also, changes all length calculations
1543      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
1544      Suggested values of viscosity parameters found in mom_calc_visc.
1545      Many new viscosity diagnostics available.
1546    
1547    checkpoint57s_post
1548    o Add clearing-house for viscosity calculations, mom_calc_visc and
1549      correct numerous bugs in LeithD and Smagorinsky discretizations.  
1550      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
1551      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
1552      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
1553      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
1554      The Strain-Tension form is now called with useStrainTensonVisc=.true.
1555      ViscAhStrain and viscAhTension are now retired.
1556    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
1557    o In response to JMC's bug report, genmake2 now ignores any soft-links
1558      that it finds in the *current* directory when searching for files.
1559      Soft-links found in any other source directories will still work as
1560      they did before.
1561    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
1562      a C routine to unlimit the stack size
1563    o mnc-ify pkg/aim snapshot vars
1564    o mnc-ify pkg/land as requested by Daniel
1565    o various changes to mnc including:
1566      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
1567      - output can now be grouped so that all files within a group
1568          change the ITER portion of their names in lock-step together
1569      - can now read ("global") PER-FACE (in addition to PER-TILE) files
1570          and works with both EXCH1 and EXCH2 (but needs more testing)
1571      - writing works for all verification test cases w/ g77 on Linux
1572    
1573    checkpoint57r_post
1574    o make MNC variable initialization happen earlier
1575    o add diagnostics for (almost) each term of the momentum Eq.
1576    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
1577    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
1578    o remove MINIMAL_TAVE_OUTPUT option ;
1579      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
1580    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
1581      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
1582    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
1583    o add time-dependent SST, SSS control
1584    o cost terms in ecco/ modularized (new cost_generic.F)
1585    o cost_averages routines are modularized (new cost_averagesgeneric.F)
1586    o new infrastructure for seaice model vs. obs misfits in seaice/
1587      * driver from the_main_loop.F is seaice_cost_driver.F
1588      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
1589      * gradient check in Exp. 6a of natl_box_adjoint/
1590    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
1591      (see README file)
1592    
1593    checkpoint57q_post
1594    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
1595    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
1596      - bug was reported by Jean-Michel and Ian Fenty
1597    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
1598      update exp. cpl_aim+ocn output.
1599    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
1600      Needed for high-res. runs with large global files
1601      to be able to limit tapelev size
1602    o Changed some tests for adjoint:
1603      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
1604      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
1605      * global_ocean.90x40x15/ back to default 3-level checkpointing
1606    o Modifications to enable scripted COMMON to MODULE conversion
1607      * verification/OpenAD/code/ has necessary scripts and description;
1608      * converts, compiles and runs successfully;
1609    
1610    checkpoint57p_post
1611    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
1612    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
1613      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
1614    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
1615    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
1616      (was already the case for dissipation with mom_vecinv,
1617       and also the case for grad.PhiHyd when staggered-timeStep)
1618      This will allow to put dissipation out-off the AB time-stepping.
1619     Unfortunately, affects truncation error. Update output of exp. that "fails"
1620      (cg2d matching number) and leave the others for later: front_relax(10),
1621      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
1622      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
1623    
1624    checkpoint57o_post
1625    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
1626      (2) its ready to be documented during the 20050801 DocFest
1627    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
1628      for ideal_2D_oce and lab_sea on linux_ia32_g77
1629    o set to #undef CTRL_SET_OLD_MAXCVARS_30
1630      in global1x1_tot/code_seaice_adj to access indices 32, 33
1631      (worth another tag)
1632    
1633    checkpoint57n_post
1634    o adding precip control xx_precip 32
1635    o adding swflux control xx_swflux 33
1636    o Replacing 10 forcing penalty cost routines by 1 generic.
1637    o Implementing partitioning in time-mean and variable adjustment
1638      for atmos. state.
1639    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
1640  o in natl_box_adjoint:  o in natl_box_adjoint:
1641    * updated: results_bulk/    * updated exp 1 to 10
1642    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
1643    o updated global1x1/*_seaice_adj/
1644      to incorporate latest changes
1645    o enable useSingleCpuIO for mdsio vector routines
1646      (applies in particular to tapelev I/O)
1647    o removed inefficient K-loop in all active_file*control*.F
1648    
1649  checkpoint57m_post  checkpoint57m_post
1650  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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