February 28, 2007
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A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999
FROM VOLUME 7, NUMBER 5, MAY 1994
PROFESSIONAL PUBLICATIONS... OF GENERAL INTEREST: OCEAN TEMPERATURES AND CORAL
Temperatures in the Subtropical North Atlantic Ocean over the
Past 35 Years," G. Parrilla (Inst. Español de Oceanografia,
Corazón de Maria 8, 28002 Madrid, Spain), A. Lavín et al., Nature, 369(6475),
48-51, May 5, 1994.
Comparison of measurements made along the 24°N parallel with
measurements made in 1981 and 1957 indicate that the waters
between 800 and 2,500 meters depth have consistently warmed over
the past 35 years. The maximum warming, found at 1,100 meters, is
occurring at rate of 1° C per century. The trend is broadly
consistent with model predictions of climate change, but differs
by occurring in the interior ocean rather than at the surface, as
predicted by models.
Trends of Temperature at Intermediate and Deep Layers of the
North Atlantic and the North Pacific Oceans: 1957-1981,"
J.I. Antonov (State Hydrol. Inst., St. Petersburg, Russia), J.
Clim., 6(10), 1928-1942, Oct. 1993.
All available ocean temperature data for the depth range 300
to 3000 meters at World Data Center B (Obninsk, Russia) were
statistically analyzed for the period. For the upper layer to
about 500 meters depth, seawater temperature declined on average
in both oceans. However, a rise of about 0.1°C per 25 years was
observed in the 800 to 2500 meter layer of the North Atlantic.
Bleaching and Ocean 'Hot Spots,'" T.J. Goreau (Global Coral
Reef Alliance, 324 N. Bedford Rd., Chappaqua NY 10514), R.L.
Hayes, Ambio, 23(3), 176-180, May 1994.
Global sea-surface temperature maps show that mass coral-reef
bleaching episodes between 1983 and 1991 followed positive
temperature anomalies (hot spots) of more than 1°C above the
long-term monthly averages that appeared during the preceding
warm season. Monitoring of ocean hot spots and of coral bleaching
is needed if the climate convention is to meet its goal of
protecting the most temperature-sensitive ecosystems.
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