[Mitgcm-support] Warning: Correction to current meter comparisons

mitgcm-support at dev.mitgcm.org mitgcm-support at dev.mitgcm.org
Wed Jul 9 15:34:16 EDT 2003


HyperNews notification of new message.  See: 
  http://escher.JPL.NASA.GOV:2000/HyperNews/get/forums/assim/106/2/2/1.html

There is a problem with "unpacked" TAO current meter data files in
directory /escher8/medea/tlee/TAO/currents/UNPACK[1] ; the "unpacked"
time series lag the raw data in /escher8/medea/tlee/TAO/currents[2] by
some 60 days.

New comparisons figures based on raw data have been generated to replace
those in the parent[3] message. The new figures show significantly
smaller standard deviation difference and higher correlation coefficient
for both GCM/data and Kalman filter/data comparisons than previously
reported. In addition, the Kalman filter estimates are, on average,
closer to observations than the unconstrained GCM estimates: there is
improvement at (0N,110W) and (0N,140W), but not at (0N,165E).
-----------------------------------------------------------------------
[1] http://escher:2000/hosts/escher/escher8/medea/tlee/TAO/currents/UNPACK
[2] http://escher:2000/hosts/escher/escher8/medea/tlee/TAO/currents
[3] http://escher.JPL.NASA.GOV:2000/HyperNews/get/forums/assim/106/2/2.html



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