February 28, 2007
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FROM VOLUME 7, NUMBER 8, AUGUST 1994
PROFESSIONAL PUBLICATIONS... OF GENERAL INTEREST: TREND ANALYSIS
Two items from Nature, 370(6488), Aug. 4,
"The Eleven-Year El Niņo?" M.J. McPhaden (Marine
Environ. Lab., NOAA, 7600 Sand Pt. Way NE, Seattle WA 98115),
326-327. Discusses research questions raised by the following
"Decade-Scale Trans-Pacific Propagation and Warming
Effects of an El Niņo Anomaly," G.A. Jacobs (Naval Res.
Lab., Stennis Space Ctr., Bay St. Louis MS 39529), H.E. Hurlburt
et al., 360-363. Presents evidence from modeling and observations
that planetary-scale oceanic waves, generated by reflection of
equatorial shallow-water waves from the American coasts during
the 1982-83 El Niņo, have crossed the North Pacific and a decade
later rerouted the Kuroshio Extension current off Japan. These
changes may have influenced weather patterns over North America
during the past decade, and demonstrate that the effect of El
Niņo events can be long-lived.
"Global Change Detection," M.R. Allen
(Rutherford Appleton Lab., Chilton OX11 0QX, UK), C.T. Mutlow et
al., ibid., 370(6484), 24-25, July 7, 1994.
Presents an extension and statistical analysis of results of
an earlier study of satellite-observed global temperature by
Christy and McNider (GCCD, p. 3, Mar.). The failure to detect a
significant trend in the data excludes warming rates at the upper
end of the range projected by climate models, but should not be
regarded as conclusive evidence that no warming is taking place.
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