February 28, 2007
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FROM VOLUME 7, NUMBER 6, JUNE 1994
trend disputed: Researchers at the University of Virginia
have challenged the conclusion of Canadian scientists Kerr and
McElroy, who have published measurements that they interpret as
evidence of an increase in UV-B at the Earth's surface connected
to a decrease in stratospheric ozone. The two parties exchange
views in the May 27 issue of Science. (See the Commentary
and Trend Analysis sections in Prof. Pubs./Gen. Interest.) A
lengthy analysis in Global Environ. Change Rep. (pp. 1-3,
June 10) explains how much of the controversy may relate to Kerr
and McElroy's use of the term "trend."
Arctic program: Surface Heat Budget of the Arctic Ocean
(SHEBA) is a field experiment proposed to begin in April 1997. It
will combine in situ and remote sensing observations,
analysis, and modeling to investigate how air-sea-ice processes
affect climate. See article in Eos, pp. 249 & 253, May
31, or contact Judith Curry, Dept. Aerospace Eng. Sci., Campus
Box 429, Univ. Colorado, Boulder CO 80309.
Watch Global Change Mirrored on the Moon," G. Taubes, Science,
pp. 1529-1530, June 10, 1994. An interdisciplinary team of
scientists, using a technique developed by the French astronomer
Danjon in 1925, is monitoring earthshine from the moon's surface
to determine if it is a reliable measure of the Earth's albedo.
They will compare current results with those obtained in 1925.
Paler Shade of Coral," F. Pearce, New Scientist, p.
19, June 11, 1994. Discusses the relationship between coral
bleaching and unusually high sea temperatures that are probably
linked to global warming, based on an article by Goreau and Hayes
in the May issue of Ambio. (See GCCD, p. 2, May
Plague: Coral-Style Bleaching Strikes Forams," S. Mirsky, Earth,
p. 16, May 1994. At a recent meeting of the Geological
Society of America, Oceanographer Pamela Hallock presented
evidence that bleaching and other forms of damage observed in
single-celled animals in the Florida Keys could be related to
and Sunspots: A Historic Link," Science News, p. 271,
Apr. 23. John Butler and colleagues at the Armagh Observatory
in Northern Ireland discovered an unusual set of temperature
records beginning in 1795. They have used these data to extend
the correlation between length of the sunspot cycle and average
air temperature observed by Danish meteorologists in 1992 that
was based on a shorter record.
Hordes Invade the Arctic," J. Timson, New Scientist,
p. 14, Jan. 29. Canadian biologists have observed a northward
progression of deciduous trees in the last two decades following
forest fire, and predict that global warming will hasten this
trend. (See Landhäusser article, Prof.
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