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\begin{abstract}{An investigation using Empirical Orthogonal
Functions(EOF's)
and Objective Analysis to analyse the vertical temperature structure
of a Gulf Stream Meander
}{ \underline{Lt Cdr Martin Sauz\'{e} Royal Navy},
Everett Carter
 (both at Department of Oceanography, Code OC/CR
	Naval Postgraduate School,
        Monterey, California, 93943; 
        408-646-3318) 
}{
Expendable bathymetric temperature (XBT) data;  taken from  an 
anticyclonic meander crest within the Gulf Stream  (Hummon 1991) is
analysed by looking at the empirical vertical structure . The 
ensemble averaged data is formed into a projection matrix that
compares the value of the temperature at one depth with the
temperature at a second depth. The data was smoothed with the
correlation analysis being performed at 10 metre intervals from 5
metres to a depth of 795 metre. The first four, or principle, EOF's
of the projection matrix were computed and the modal amplitudes for
each XBT  determined. Using Objective Analysis the modal amplitudes
were interpolated onto a specified grid. Synthetic XBT's were then
reconstructed at the grid positions using the interpolated grid
modal amplitude values. A measure of the error at each grid point
was determined. The Objective Analysis was subsequently repeated
using successively fewer XBT's from the data set, until the
resulting error in the interpolated XBT's at the grid points 
became unacceptable.
}
\item 1992 Fall Meeting
\item 000121505
\item (a) E. F. Carter \\
      Dept. Oceanography, OC/CR \\
      Naval Postgraduate School \\
      Monterey, CA 93943 \\ 
      (b) Tel: (408) 646-3318 \\
      (c) FAX: (408) 646-2712
\item O (Ocean Sciences)
\item (a) none \\
      (b) 4520, 4255, 4576 \\
          (Eddies and Mesoscale Processes,\\
           Numerical Modeling,\\
           Western Boundary Currents) \\
      (c) none
\item Poster
\item 0\%
\item \$30 charge to:\\
        Mastercard XXXX XXXX XXXX XXXX\\
        expires 8/94
\item C (Contributed)
\item None
\item None
\item Yes

\end{abstract}

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