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-revision 1.1786 by mlosch,
Thu Dec 20 16:39:34 2012 UTC
+revision 1.1930 by jmc,
Thu Oct 17 01:30:04 2013 UTC
 Line 4 
 $Name$
      Notes on tags used in MITgcmUV
      ==============================
+ o pkg/mdsio (+ eesupp/src):
+   - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
+     previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
+   - fix globalFile and singleCpuIO options using simpler global mapping.
+   - new pairs of scatter/gather vector S/R (one for each type, generated from
+     template) corresponding to simpler global mapping.
+   - adread_write.F: switch to new S/R (but leave old calls commented) and write
+     to globalFile when parameter globalFiles is set to True.
+   - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
+ o pkg/autodiff:
+   - adread_adwrite: add a hack for RS arrays (when RS=real*4);
+     with ALLOW_AUTODIFF_WHTAPEIOdefined, since corresponding (real*4) is
+     missing, just add a STOP if array type do not match.
+ o pkg/exf:
+   - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
+      rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
+      and rename array obsSIce to exf_iceFraction.
+ o tutorial_deep_convection:
+   - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
+     for now all in this exp. code dir.
+   - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
+     testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
+ o eesupp/src:
+   - added SINGLE_DISK_IO option because reading of parameter files on
+     very large number of processors did not work with existing set-up
+ checkpoint64o (2013/09/25)
+ o pkg/atm_phys & atm_compon_interf:
+   - allows for coupling of gray-atmosphere (atm_phys) with ocean.
+ o tools/build_options:
+   - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
+     & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
+     remove CPP setting (was identical to genmake2 default).
+ o pkg/gmredi & model/src: Some updating and work done on the residual model.
+   - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
+   - fixed up the calculation of the eddy stress and how it is added to the
+     external forcing via taueddy_external_forcing.F
+   - at the moment, it is very experimental and only works with the variable eddy
+     diffusivity calculated in gmredi_k3d.F
+ o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
+     lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
+ o testreport (& tools/do_tst_2+2):
+   - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
+ o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
+   - remove CPP='cpp -traditional -P' (this is genmake2 default)
+   - add switch (for big setups) to use 'medium' memory-model (but leave it
+     commented out for now). Note: needed with FC 19 to compile big setups.
+ o pkg/atm_compon_interf:
+   - regroup per field origin (model & pkgs) the coupling storage routines
+      (which accumalate in time each coupling field)
+   - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
+     update accordingly + simplify aim_do_physics.F
+ checkpoint64n (2013/08/26)
+ o pkg/bbl:
+   - update formulation to reduce dispersion of tracer properties in bbl
+   - replaced horizontal and vertical transport parameters with velocities
+   - changes results for verification/global_with_exf.yearly
+ o verification/halfpipe_streamice:
+   - change to matrix construction; update both Fwd & AD output.
+ o verification/tutorial_tracer_adjsens:
+   - OpenAD test: switch to vector-invariant momentum since fluxform with
+     rStar causes problems with OpenAD; update output.
+ o tools:
+   - genmake2: define a common prefix for all temp-file names ; move them
+     to local /tmp disk (but would be easy to move them back);
+   - xmakedepend: apply the same switch for temp-files.
+ o pkg/offline:
+   - changes for use with rStar (NLFS): assume that we continue to provide
+     UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
+     output files) and apply r* scaling at each time-step (function of the time
+     varying Eta field); use normal pickup files (needed for restart with NLFS).
+ o adjoint with OpenAD:
+   - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
+     package openad.  This package has to be compiled for all runs with OpenAD
+     instead of specifying code_oad_all as a modification directory.
+   - link the fortran templates from tools/OAD_support to the build directory
+     for preprocessing to avoid conflicts between different setups compiled
+     simultaneously and simplify cleanup.
+ o pkg/exf:
+   - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
+     main model or other pkgs are exchanged in EXF_MAPFIELDS).
+ o model/src:
+   - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
+     (similar to do_fields_blocking_exchanges.F).
+ o tools/genmake2:
+   - remove TAF output src code just before calling staf (when not doing a fresh
+     built, will stop if things go wrong with staf).
+   - fix target "adobj" (left from TAF version-2 transition)
+ o pkg/diagnostics:
+   - add a parameter to track the status of pkg/diagnostics activation;
+     this replace/extend the use of logical param "settingDiags" (to check
+     when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
+     New S/R to print error message and stop when pkgStatus is not right.
+   - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
+ checkpoint64m (2013/08/13)
+ o model/inc:
+   - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
+yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
+ o pkg/kpp & aim_v23:
+   - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
+ o pkg/seaice:
+   - restore (last time on 2011/12/24) ability to compile pkg/seaice with
+     undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
+   - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
+ o eesupp/src:
+   - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
+     in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
+ o switch to TAF version-2:
+   - add flow directives to "freeze" naming convention for ad-routines that
+     are used in I/O routines of adjoint state and associated common blocks
+     that are used in adcommon.h (backward compatible with version-1)
+   - update all ad-optfiles (in tools/adjoint_options + few local to some
+     verification exp) to switch to latest TAF version (currently 2.5.5);
+     merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
+     out except for diva).
+   - the major change with TAF version-2 is that both the differentiated
+     routines and the forward routines (new) are returned as part of the TAF
+     output source code. Update genmake2 accordingly.
+   - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
+     with version-2 when compared to TLM or FWD gradient); other experiments
+     output show minor changes (machine truncation level); update the few AD &
+     TLM output with 12 matching digits only (some prior to version-2 switch).
+ checkpoint64l (2013/08/05)
+ o model/src:
+   - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
+   - main_do_loop.F: no longer includes additional (AUTODIFF) header files
+     when using TAF but only if using OpenAD.
+ o pkg/mom_common+fluxform+vecinv:
+   - always set horiz. viscosity arrays to background value before calling
+     MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
+     only when using variable horiz. viscosity (useVariableVisc=T);
+   - simplify mom_vecinv.F (only 1 block for momViscosity).
+ o pkg/mom_common: variable horiz. viscosity in NH code
+   - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
+     from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
+   - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
+     useBiharmonicVisc & useVariableVisc.
+   - fix old bug (already in 1rst implementation of variable horizontal viscosity
+     in calc_gw.F, version 1.27, 2006/06/20):
+     horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
+     even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
+   - change background horiz viscosity in vertical momentum (gW) to always be
+     viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
+     any type of variable viscosity, e.g., viscAh/4Grid)
+   - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
+     viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
+     horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
+     default viscAh,viscA4 is zero).
+ o model/src:
+   - extend length of drC & recip_drC from Nr to Nr+1.
+ o Divided Adjoint (DIVA) with MPI:
+   - genmake2: do not create local ./mpi_headers dir when no file to copy into.
+   - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
+     and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
+ checkpoint64k (2013/07/23)
+ o tools/OAD_support:
+   - avoid the need for file "oadtempflile" in insertTemplateDir.bash
+     and remove it from genmake2.
+ o tools/build_options:
+   - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
+     MPI_HEADER_FILES list (let genmake2 find the missing headers)
+ o verification/halfpipe_streamice:
+   - change to driving stress formulation; update both Fwd & AD output.
+ o tools/genmake2 and Divided Adjoint with MPI:
+   - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
+   - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
+   - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
+     Makefile, which is set by genmake2, and check which mpi-headers are needed.
+     Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
+   - update target "CLEAN" (to also remove ./mpi_headers/ dir).
+ o testreport:
+   - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
+     perform additional runs (number of additional runs is "add_DIVA_runs" taken
+     from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
+ o verification/lab_sea (AD test):
+   - change to test Divided Adjoint Run in this set-up (both standard AD test
+     and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
+ o pkg atm_ & ocn_compon_interf:
+   - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
+     staggerTimeStep implementation) and disable (retired) corresponding
+     parameter.
+ o pkg/offline:
+   - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
+   - add S/R OFFLINE_CHECK to print offline parameter summary
+     and stop if loading a file that is not used;
+   - enable to calculate GMRedi tensor, KPP mixing and convective index
+     when the corresponding file(s) is/are not specified (but pkg is used).
+   - comment out resetting of monitorFreq (to endTime) since it still useful
+     for monitoring CFL numbers and checking offline fields.
+ o OpenAD:
+   - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
+     smaller standard output) and generate new (smaller) output (on baudelaire
+     using gfortran with -ieee) for exp. tutorial_tracer_adjsens
+ o model/src:
+   - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
+     (where external_forcing_adjust was called) and change list of arguments;
+   - merge external_forcing_adjust.F into external_forcing_surf.F
+   - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
+     which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
+     previously in file "balance_relax.F", now removed); remove corresponding
+     arrays in FFIELDS.h.
+   - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
+     a hack for getting back surfaceForcingS (loaded from file) when using
+     ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
+   - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
+     (was getting only 11 digits for AD-grad, due to different truncation
+      error in AD code).
+ checkpoint64j (2013/07/04)
+ o pkg/offline:
+   - to enable the use of other features with pkg offline (e.g., obcs),
+     also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
+   - comment out "allowFreezing" (now active) in 2 offline testing exp.
+ o pkg/exf ALLOW_RUNOFTEMP
+   - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
+   - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
+   - changes verification/global_ocean.cs32x15/results/output.seaice.txt
+ o pkg/atm_phys:
+   - allows to add some damping on uVel,vVel (strength only function of k).
+ o verification, ad-tests:
+   - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
+     global_ocean_ebm and offline_exf_seaice.thsice.
+ o verification/halfpipe_streamice:
+   - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
+     flux input boundary conditions to be ignored; a fix for this bug changed
+     verification results for forward test.
+   - add adjoint test.
+ o pkg/ptracers:
+   - allow to restart without SOM pickup (resetting SOM to zero).
+ o pkg/gmredi:
+   - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
+   - It uses mixing length theory and suppression by steering level effects to
+     calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
+     to JPO, for more details).
+   - It also uses the diffusivity to calculate an eddy induced streamfunction
+     based on a PV closure (rather than a buoyancy closure as in GM).
+   - New files added to pkg/gmredi:
+     gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
+       induced overturning streamfunction (called from gmredi_calc_tensor)
+     gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
+       for use in gmredi_k3d
+     gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
+       the eddy diffusivity
+ checkpoint64i (2013/06/18)
+ o pkg/cheapaml:
+   - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
+     that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
+     with pkg/cheapaml.
+ o utils/python: add subpackage for cubed sphere function, first example is
+     simple cs.pcol to plot 2D fields on a map
+ o pkg/streamice:
+   - This is a new package in MITgcm, which solves dynamic equations for ice
+      sheets and ice streams
+   - At the moment it is independent of atmosphere/ocean dynamics, or any
+     other physical packages in MITgcm, even ShelfIce (although it is anticipat-
+     ed that this will change)
+   - There is a new verification exercise that tests it, halfpipe_streamice,
+     evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
+     rectangular embayment
+   - halfpipe_streamice is forward-only for now, will have TAF test soon
+   - for questions, email dgoldber@mit.edu
+ o pkg/thsice:
+   - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
+     of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
+   - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
+      call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
+   - allow precip from pkg/cheapaml to make snow over seaice.
+ o pkg/cfc:
+   - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
+   - remove atmos CFC 2-D arrays from common bloc (now local variables)
+   - change some hard-coded constant to run time parameter for reading and
+     and interpolating atmospheric CFC ; keep same default as previously.
+   - more flexible reading of Atmos CFC (number of records no longer hard-coded)
+   - put arguments in standard order: myTime, myIter, myThid
+   - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
+     atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
+   - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
+   - new routine to print summary of CFC params and check for consistency.
+ o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
+   similar to thsice_advdiff.
+   Note that for the B-grid case the routine parameters uc/vc are overwritten.
+ o pkg/cfc:
+   - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
+     update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
+   - fix interpolation of atmphspheric CFC between Sorthern and Northern
+     hemisphere value.
+ o pkg/seaice:
+   - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
+ o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
+               so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
+   - requires an additional time level that is stored in the pickup
+   - you can start with AB2 from a pickup without this time level with
+     pickupStrictlyMatch = .false.
+ checkpoint64h (2013/05/26)
+ o pkg/cheapaml:
+   - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
+     affect machine truncation (but exp cheapAML_box still pass with 13 digits).
+   - consistent treatment of uWind,vWind location: assume everywhere in
+     pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
+     (Note: was already the case for Tair,Qair advection);
+     add option (INCONSISTENT_WIND_LOCATION) to recover old results.
+   - compute diabatic forcing only in the interior (excluding overlap regions)
+   - fill in array "Qsw" (for short-wave heating);
+   - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
+     before any update (consistent with MITgcm state var diagnostics);
+   - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
+     non periodic ; + adjusted for uWind,vWind (C-grid).
+ o pkg/seaice:
+   - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
+     add explicitly pkg/exf in experiments that currently use pkg/seaice.
+   - allows to compile pkg/seaice without pkg/exf.
+ o tools/OAD_support:
+   - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
+     of array "ourStepOf" in function rvNextAction (revolve.F90).
+ o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
+   - change pkg name (to be used with other atmospheric physics pkg)
+     but by-pass CVS when making the new pkg so that we keep the CVS history.
+ o pkg/offline:
+   - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
+     (previously called from pkg/dic_surfforcing_init.F)
+ o model/src:
+   - re-order sequence of calls within packages_init_variables.F, using
+     standard order, except for:
+      DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
+      CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
+ o new pkg: atm_phys
+   - add entry point and source code (previously in contrib
+       verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
+     (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
+   - re-order sequence of calls within packages_readparms.F,
+      packages_init_fixed.F and packages_write_pickup.F
+     (but skip packages_init_variables.F because of TAF issues).
+   - update contrib/*/atm_gray/ experiment.
+ o pkg/seaice (ITD code):
+   - simplify and fix the writing of pickup-files for ITD case
+ o pkg/seaice (ITD code):
+   - introduce floe size dependent lateral melt for ITD case;
+   - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
+   - update seaice_itd experiment main output.
+ o pkg/thsice:
+   - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
+     declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
+     changed accordingly pkg/atm2d.
+ checkpoint64g (2013/05/01)
+ o pkg/exf ALLOW_RUNOFTEMP
+   - if defined,  river and glacier runoff temperature can be read-in from
+     runoftempfile; runoftempfile needs to have same format as runofffile
+ o pkg/thsice (& pkg/bulk_force):
+   - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
+     for energy content of Precip + RunOff & Evap (like with pkg/exf).
+   - change computation domain to always be the interior (without overlap).
+   - fix bug (wrong overlap) when using EXF and stressReduction > 0.
+ o verification/tutorial_global_oce_biogeo:
+   - add preliminary OpenAD setup (still has problems)
+ o pkg/seaice:
+   - turn some parameters for choosing the convergence criterion of
+     the inexact Newton method (JFNK) into runtime parameters for convenience
+   - clean up seaice_calc_viscosities.F: remove/retire two options for
+     SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
+     the results of lab_sea/input because a division has been replaced by
+     a multiplication with the reciprocal (sumNorm)
+   - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
+     convergence of solver (changes results, of course), and to test some
+     new features
+ o model/src:
+   - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
+   - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
+   - move forcing adjustment (balancing surface forcing) in specific S/R
+     where might also be applied exchanges (if needed) to forcing arrays.
+ o pkg/shelfice:
+   - allow to specify the Ice-Shelf mass per unit area (instead of
+     shelficeLoadAnomaly) and do the conversion from one to the other
+   - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
+     to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
+     (b) will be loaded in time (before calling INI_PRESSURE) in case it is
+     needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
+   - update isomip experiment forward output (get machine truncation error
+     from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
+ o verification/offline_exf_seaice:
+   revise data.seaice in input.thermo and input_ad and update results accordingly
+     HO = 0.2, SEAICE_areaLossFormula = 2,
+     SEAICE_growMeltByConv = .TRUE.,
+     SEAICE_doOpenWaterMelt = .TRUE.,
+   Improve consistency with input.thsice and fix the spurious 500m ice corners
+ o verification/global_ocean.cs32x15:
+   - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
+     in icedyn (thsice+seaice-dyn) test and update output.
+ o verification/offline_exf_seaice:
+   - adjust list of tested variables (with testreport) and update
+     standard test output with better slection of monitored fields.
+ o pkg/cd_code:
+   - swtich off Adams-Bashforth on the 1rst iteration. Update output of
+     experiment lab_sea.hb87
+ o tools/genmake2:
+   - change default makedepend from the system default to tools/xmakedepend:
+     When no makedepend is specified, select tools/xmakedepend it the test pass,
+     otherwise select the system default (if exist and pass the test) or
+     try to build cyrus-makedepend ; stop if none of the 3 works.
+ o pkg/exf & pkg/thsice:
+   - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
+     for energy content of Precip + RunOff & Evap. Assumes:
+) Rain has same temp as Air.
+) Snow has no heat capacity (consistent with seaice & thsice pkgs)
+) Run-Off comes at the temp of surface water (with same Cp)
+) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
+     put directly into Latent Heat flux & should use water-vapor heat capacity.
+) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
+     with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
+ o pkg/seaice: simplify the use of CPP flags in JFNK-related files
+     (compile when SEAICE_ALLOW_JFNK is defined)
+ o pkg/thsice:
+   - fix oceanic flux diagnostics & timeave (left from new sequence of calls
+     implementation): move THSICE_AVE call after the advection (called directly
+     from thsice_do_advect.F).
+ o verification/global_ocean.90x40x15 and OpenAD:
+   New experiment for OpenAD is identical to the one in input_ad except that
+     multiDimAdvection=.FALSE.,
+   There is still an issue with this.
+ o pkg/thsice:
+   - account for ice velocity (ocean relative velocity) in turbulent heat flux
+     at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
+     and offline_exf_seaice (main test).
+ checkpoint64f (2013/03/31)
+ o verification/OpenAD:
+   - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
+ o verification/isomip, pkg/shelfice and OpenAD:
+   - add OpenAD setup to this exp and make shelfice package work with OpenAD
+ o verification/tutorial_global_oce_biogeo:
+   - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
+ o verification/offline_exf_seaice:
+   - replace adjoint experiment (now similar to fwd input.thermo/ setup).
+ o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
+   - add OpenAD setup to this exp and make ptracers package work with OpenAD
+ o pkg/seaice/seaice_evp.F:
+    mask the asymmetric contribution of the ice-ocean stress (when
+    the turningAngle is non-zero) over open water to avoid stripes
+    in the EVP-solutions after many EVP-substeps. This does not change
+    the verification experiment (because turningAngle=0 in that experiment),
+    but will affect other EVP solutions with turningAngle.ne.0
+ o verification, AD & TLM output:
+   - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
+     additions and multiplications which affect results at machine truncation
+     level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
+     lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
+     (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
+     digits of matching.
+ o pkg/seaice:
+    modify lsr-algorithm so that it vectorizes AND converges by using a
+    "zebra" method: split vector loop into two with step size 2; this
+    solves a general convergence problem for the JFNK solver on a vector
+    computer. It has the potential to even improve convergence for
+    non-vector machines, but it does change the results so it is turned
+    off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
+    SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
+ checkpoint64e (2013/03/05)
+ o pkg/ecco and several verification experiments:
+    Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
+    from ecco package, and revert to unified routine in model/src/
+    Adjust verification experiments accordingly, especially gloal_oce_llc90
+    Should conclude long-standing work by Gael to reconsile the_main_loop with
+    ECCO and will enable OpenAD's revolve loop in ECCO setup.
+ o pkg/generic_advdiff:
+   - implement compressible flow method for multi-dim advection (similar to
+     gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
+     TAF generates many recomputations) to use it; no yet coded with implicit
+     vertical advection.
+   - change experiment advect_cs (new output) and advect_xy (same output)
+     to test compressible flow multi-dim advection.
+ o pkg/generic_advdiff:
+   - fix SOM advection for unusual cases (linear Free-Surf in r*, other
+     cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
+ o pkg/seaice:
+   - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
+     bug affects two verification experiments (lab_sea and lab_sea.hb87),
+     recover old (wrong) results by setting noSlipFac = 2. in
+     seaice_calc_strainrates.F;
+   - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
+   - add runtime parameter SEAICE_JFNKepsilon for that finite difference
+     gradient in the Jacobian times vector operation (s/r seaice_jacvec)
+   - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
+ o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
+   - new subroutines seaice_lsr_tridiagu/v
+   - introduce loop bounds i/jmin/max to be able to use a restricted
+     additive Schwarz method, but not used for now.
+   - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
+   - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
+ o OpenAD support
+    Reorganize S/R call for overall time-stepping loop to facilitate
+    OpenAD revolve loop replacement
+    (new S/R main_do_loop.F)
+ o model/src:
+   - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
+   - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
+     ADAMS_BASHFORTH2.
+ o pkg/cheapaml:
+   - add new parameter (default=F, same as before) to disable full domain
+     (including land) periodicity in X & Y dir.
+   - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
+     prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
+     into single S/R CHEAPAML_TIMESTEP.
+ checkpoint64d (2013/02/17)
+ o pkg/monitor (angular momentum):
+   - do not add Eta contribution to the total AM if using rigid-lid;
+   - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
+   - horizontal discretisation: compute Zonal wind contribution separately for
+     each component (instead of from cell centered averaged) and use the 4
+     grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
+   - Check that AM is conserved with linear dynamics (momAdvection=F and linear
+     FreeSurf) if using vectorInvariant momentum.
+ o model/src (horizontal grid):
+   - move initialisation of all horizontal grid arrays to null value
+     from specific horizontal grid S/R to main S/R INI_GRID;
+   - add 2 new arrays to project model C-grid velocity on to zonal direction
+     (similar to AngleCosC & -AngleSinC but at U and V point location) and
+     compute them in S/R CALC_GRID_ANGLES.
+ o pkg/seaice: replace a hard coded parameter by a runtime parameter
+     SEAICE_JFNK_tolIter
+ o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
+     preconditioner for JFNK (run LSR into the overlaps as far as possible,
+     i.e OLx/y-2, but overwrite the solution in the overlaps)
+   - extend loop range in seaice_calc_viscosity
+   - add new parameters SEAICE_OLx/y (default = OLx/y-2)
+   - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
+   - slightly modify loops in tridiagonal solver lsr-preconditioner
+   - by default remove the extra exchange in seaice_preconditioner with a
+     replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
+   - modify offline_exf_seaice so that old results without RAS are reproduced
+     for output.dyn_jfnk.txt
+   in seaice_fgmres.F (unrelated to RAS)
+   - add a cpp-flag option for a re-ordered mapping (potentially more
+     efficient), but because this changes the results, turn it off by
+     default
+   - replace the save statement by local common blocks
+ o utils/matlab:
+   - fix tile-offset in rdmnc.m when output was produced using EXCH2.
+   - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
+     instead of local script "load_cs.m".
+ o pkg/seaice:
+   - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
+     to the scalarProductMetric and the unrolling. By chance this does not
+     change the verification experiment, because of the particular domain
+     decomposition
+ o pkg/diagnostics:
+   - change default missing_value from UNSET_RL to -999.
+ o pkg/layers: improve vectorization of layers_fluxcalc.F
+   - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
+     time spent in this routine by more than a factor of 3 on an NEC-SX8
+   - step 2: replace search algorithm by a bisection algorithm found in
+     Press et al. Numerical Recipes in Fortran. This algorithm can be
+     vectorized and finds the correct bin in approx. log2(Nlayers) steps.
+     For now, use this algorithm only for TARGET_NEC_SX defined.
+   - moved the search algorithm into a separate subroutine, that is kept
+     within the same file for automatic inlining.
+   - modified catching potential errors
+ o pkg/ecco:
+   - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
+ o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
+   - modifications for ALLOW_GENTIM2D_CONTROL
+   -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
+   -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
+   -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
+   -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
+ o model/src:
+   - account for moist thermodynamics in (dry) potential temperature equation;
+     update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
+     and cpl_aim+ocn.
+   - also switch to standard compiler (gfortran, was using ifort previously)
+     for fizhi-cs experiments reference output.
+ o pkg/ctrl:
+   - 1st step toward generic time-varying control variable (2D) via CPP option
+     ALLOW_GENTIM2D_CONTROL
+   - note new namelist ctrl_nml_genarr in data.ctrl
+ o verification/global_ocean.cs32x15:
+   - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
+     thsice calling sequence and update "output.icedyn.txt" output file.
+ o pkg/ptracers:
+   - from Ryan A.: code to allow to restart a tracer at regular time interval
+     specifying a reset frequency and a reset-phase (for each tracers).
+ o pkg/thsice:
+   - implement new sequence of calls for thsice+seaice:
+       previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
+       new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
+   - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
+     in CPP_OPTIONS.h) to recover old sequence;
+   - update diagnostics for Intermediate State thsice diagnostics: now filled
+     just before advection (instead of just after advection in old sequence);
+   - update output of experiment offline_exf_seaice (standard test);
+   - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
+     by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
+ o pkg/aim_v23:
+   - use tiled array for aim_CO2 and surface wind speed for export to coupler;
+   - use standard pkg/mdsio routines to read & write CO2 pickup file;
+   - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
+   - Implement new sequence of calls for seaice advection (with thsice and
+     seaice diffusion): do ice advection after ice-Thermodynamic (previously
+     was done before); change aim_do_physics.F (split the bi,bj loops block);
+   - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
+ o pkg/thsice:
+   - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
+     where just seaice diffusion is used without seaice-dynamics.
+ checkpoint64c (2013/01/18)
+ o pkg/seaice:
+   - add a parameter JFNKres_tFac that can replace JFNKres_t
+     (= JFNKres_tFac*JFNKresidual before JFNK solver)
+   - add a line search option to the JFNK solver
+   - move update of u/vIce and computation of initial residual into a separate
+     routine (same file); makes the code a little easier to read (?)
+   - the line search requires computation of the residual and for some reason
+     I cannot do the update of u/vIce at the beginning of the Newton loop
+     without changing the results, so we move computation of the new residual
+     also to the end of the Newton loop, even without the line search
+ o pkg/mdsio:
+   - write missing value (corresponding to undefined array value) to meta files;
+     skip this if missing value is one (UNSET_RL would be a better value for the
+     case of undefined missing value but it's current the default missing-value);
+     Also update mdsio_read_meta.F (reading timeInterval & missing-value).
+ o pkg/exf & thsice:
+   - for diagnostics purpose, fill-up and update Qsw array (+ fill the
+     diagnostics) even when SHORTWAVE_HEATING is #undef;
+ o verification/cfc_example:
+   - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
+     illustrate how to use it).
+ o verification/offline_exf_seaice:
+   in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
+     files to only one time-record.
+   in input.thermo: narrow the 2 bands of low initial ice-concentration near
+     N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
+     snapshot output; same mcPheePiston value as in thsice with
+     surf-current=0.2m/s.
+   in input.thsice: similar set-up as in input.thermo (channel with same seaice
+     initial conditions).
+ o verification/cfc_example:
+   - update file "data" with more standard choice (default rotationPeriod,
+     exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
+     set deltaTFreeSurf to deltaTtracer) and update the output.
+ o pkg/layers:
+   - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
+   - ensure that "layers_bolus" is switched to False when useGMRedi=False.
+ o verification/offline_exf_seaice:
+   - set all {field}period to zero for constant-in-time forcing (not tested
+     anywhere else).
+ o verification/offline_exf_seaice:
+   - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
+   - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
+ o model/src:
+   - implement Finite-Volume method for (hydrostatic) presure gradient
+     from S.-J. Lin (QJRMS 1997), for atmosphere using sigma-coordinate.
+ o pkg/seaice: implement EVP* by Lemieux et al. (2012).
+   - In order to be compatible with the default EVP code, this requires changing
+     the EVP code around a little; and because any small change immediately
+     breaks the lab_sea.hb87 verification experiment, the reference output is
+     updated two times (each time the remaining aggrement was only 2 digits):
+     - after replacing 1/dt by 1*recip_dt with a precomputed recip_dt
+     - after replacing 1/(1+0.5*dt/tau) by a/(a+1), with a=2*tau/dt
+     The adjoint test lab_sea.evp also needed to be updated.
+   - Turn on EVP* by setting SEAICE_deltaTevp as before, and setting
+     SEAICEuseEVPstar=.true.; for EVP* SEAICE_deltaTevp does not need to be
+     a factor of SEAICE_deltaTdyn, and you can set the number of EVP steps
+     explicitly with SEAICEnEVPstarSteps (thereby overriding the default of
+     INT(SEAICE_deltaTdyn/SEAICE_deltaTevp)). Controlling EVP* is deliberately
+     kept obscure, because I need to test it a little more.
+ o pkg/cheapaml:
+   - fix few incorrect type (_RL/_RS) in subroutine calls.
+ o pkg/seaice:
+   - new S/R SEAICE_MAP_RS2VEC (similar to SEAICE_MAP2VEC) to map _RS arrays
+     to _RL vector; this fixes JFNK code when compiling with "-use_r4" option.
+ o model/src:
+   - add a warning if using select_rStar=2 with nonlinFreeSurf <> 4;
+     change (in input_ad*/data) select_rStar from 2 to 1 for AD verification
+     experiments global_ocean.cs32x15 & tutorial_tracer_adjsens (+ update output)
+ o pkg/cheapaml:
+   - replace "273.1 _d 0" by celsius2K in pkg/cheapaml/cheapaml.F and
+     update output of experiment cheapAML_box.
+   - store in CHEAPAML.h coeffs ssq[0:2] for saturation specific humidity,
+     and set them only in one place (cheapaml_readparms.F).
+   - replace "273.16 _d 0" by celsius2K & replace "3.14159 _d 0" by constant "PI"
+   - remove re-setting of main-model parameter "celsius2K" (in cheapaml_readparms)
+     and re-setting of cheapAML params "lath" & "p0" (in cheapaml_init_varia).
+ o model/src/the_main_loop.F:
+   - fix revision 129 : need both ALLOW_ECCO and ALLOW_ECCO_EVOLUTION.
+ o pkg/seaice:
+   - remove legacy branch code.
+   - retire SEAICE_GROWTH_LEGACY and SEAICE_CAP_HEFF accordingly.
+ o verification/*/code*/SEAICE_OPTIONS.h:
+   - remove documentation for retired CPP flags (SEAICE_GROWTH_LEGACY,
+     SEAICE_CAP_HEFF).
+ o pkg/cheapaml:
+   - use standard routine (S/R GET_PERIODIC_INTERVAL) to decide when it is time
+     to load new forcing fields.
+   - add missing "_d 0" where it's needed; + some editing (improve indentation).
+   - remove switch to "-r8" compiler option (no longer needed) in verification
+     cheapAML_box, keep same output (small trucation error differences).
+ o verification/offline_exf_seaice:
+   - add thermodynamics only test.
+ o verification/cheapAML_box:
+   - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
+     keep same output (same 14 digits for cg2d).
+   - switch on "-r8" compiler option (some numerical values are missing
+     the "_d 0") and update output (only 6 digits for cg2d were preserved).
+ checkpoint64b (2012/12/24)
+ o pkg/cheapaml:
+   - remove un-used variables (Qnet,EmPmR) from pickup files.
+   - store tendency of advected variables into cheapaml pickup file
+     and fix the AB-2 restart.
+ o verification/offline_exf_seaice and lab_sea adjoint:
+   - switch to new code (#undef SEAICE_GROWTH_LEGACY).
+   - switch to 4 time steps in offline, consistent with lab_sea.
+   - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
+   - update results after change of experiment seaice.
+ o pkg/seaice:
+   - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
+     parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
+     still defined since SEAICE_multDim needs to be set to MULTDIM value (from
+     SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
+ o model/src:
+   - add run-time parameter to select CG2D solver minimum-residual solution
+     (in case of a poor convergence).
  o pkg/seaice/seaice_lsr.F
+   - move calculation of matrix coefficients into new
+     S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
+     file; the main purpose of this change is to be able to reuse the code
+     in S/R SEAICE_PRECONDITIONER
    - modify the computation of the residual so that the mass of sea-ice
-     is not used twice; this simplyfies the calculations, but since
+     is not used twice; this simplifies the calculations, but since
      the residual is never used except when LSR_mixIniGuess.ge.4---and this is
      not tested in testreport---this does not affect the testreport results.
  o verification/seaice_obcs:
-Line 40 
 o pkg/seaice:
+Line 773 
 o pkg/seaice:
    - add a verification experiment for JFNK in offline_exf_seaice
  o verification:
    - change (for now, only fwd test) offline_exf_seaice experiment:
-     use a re-entrant channel with idealized costline (trapezoidal shape)
+     use a re-entrant channel with idealized coastline (trapezoidal shape)
      at southern boundary to explore seaice dynamics and thermodynamics
      with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
      secondary test (input.thsice) use thermodynamics only with SST relaxation.

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