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-revision 1.1762 by mlosch,
Wed Nov  7 09:59:57 2012 UTC
+revision 1.1772 by jmc,
Fri Nov 16 15:00:52 2012 UTC
 Line 4 
 $Name$
      Notes on tags used in MITgcmUV
      ==============================
+ checkpoint64a (2012/11/16)
+ o pkg/autodiff:
+   - improve pkg-internal logical parameter switch (inAd/inFwd mode) so that
+     autodiff_readparms.F no longer depends on calling order (within
+     packages_readparms.F) and no longer requires to include ${PKG}_PARMS.h):
+     rename param turnFreeDriftInAdMode to SEAICEuseFREEDRIFTswitchInAd
+     and change param SEAICEuseDYNAMICSinAdMode to SEAICEuseDYNAMICSswitchInAd.
+ o pkg/obcs:
+   - adding tidal velocity forcing capability to obcs
+     for usage example, see verification/seaice_obcs/input.tides
  o pkg/seaice:
+   - turn the LSR-relaxation parameters WFAU/V into runtime parameters
+     SEAICE_LSRrelaxU/V
+   - introduce runtime parameter SEAICEetaZmethod (=0 by default)
+ o pkg/aim_v23:
+   - implement heating from friction (bottom friction and stratospheric drag).
+ o pkg/shap_filt:
+   - fix diagnostic "SHAP_dKE" (was 2 time smaller); implement heating from
+     dissipation but only for Shap_funct=2, active when addFrictionHeating=T.
+ o model/src:
+   - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
+     time-constant addMass field from file (addMassFile);
+   - support for heating due to friction (and Kinetic Energy dissipation):
+     add option, run-time switch and 3-D field array + support code ; each pkg
+     or S/R can add heating contribution (if there is a sink of KE); the sum is
+     accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
+ o pkg/seaice:
+   - complete merge of ITD code into seaice_growth.F
+     from MITgcm_contrib/torge/itd/code/
+     no verification so far, but Torge Martin tested
+     "1-D test case and Beaufort set up;
+     deliver okay results after 1 model year."
+   - complete merge of SEAICE_SIZE.h into all relevant routines
+   - move computation of eta at Z-points into calc_viscosities
+     + introduce global field etaZ
+     + add different methods for computing etaZ, for now the old
+       method (simple averages of eta to Z-points) is hardwired
+     + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
+       seaice_preconditioner
+   - simplify computations for SEAICE_ZETA_SMOOTHREG
+   - seaice_preconditioner:
+     + replace one remaining press by pressLoc (mistake)
+     + adjust printing of residuals
    - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
      + add (SEAICE.h) and rename some counters (initiliased in
        seaice_init_fixed.F)
      + add _BEGIN/END_MASTER (myThid)  around print statements
      + print total number of iterations and failures over SEAICE_monFreq
-Line 18 
 o pkg/seaice:
+Line 60 
 o pkg/seaice:
      (seaice_jfnk.F, seaice_fgmres.F)
    - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
      a serious convergence problem when open boundaries are involved
  o pkg/ggl90: fix computation of control volumes for the case of
    ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
    up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
  o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
  o pkg/autodiff
    - Add inAdMode switch for SEAICEuseDYNAMICS:
      SEAICEuseDYNAMICSinAdMode
      (extend logic in ADAUTODIFF_INADMODE_SET)
  o pkg/seaice
    - Step 1 of merging ice-thickness distribution (ITD) code from

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