Geoscience Reference
In-Depth Information
0.7
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Figure 4.25.
Spatial patterns of the correlation between the PNA index and 500-hPa
heights for (a) winter, (b) summer, based on data from the NCEP/NCAR reanalysis for
the 1960-2010 period (courtesy of A.P. Barrett, NSIDC, Boulder, CO).
