February 28, 2007
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Global Climate Change Digest
A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999
FROM VOLUME 10, NUMBER 1, JANUARY 1997
OZONE DEPLETION: UV IMPACTS
"Estimates of Ozone Depletion and Skin Cancer Incidence to Examine
the Vienna Convention Achievements," H. Slaper (Lab. Radiation Res., Natl.
Inst. Public Health & Environ. Protect.-RIVM, POB 1, 3720 BA Bilthoven,
Neth.), G.J.M. Velders et al., Nature, 384(6606), 256-258, Nov.
Presents a new method of estimating future excess skin cancer risks, which
is used to compare the effects of a "no restrictions" scenario with
two restrictive scenarios proposed through the Montreal Protocol and the
stricter Copenhagen amendments. The no-restrictions and Montreal Protocol
scenarios would produce, respectively, a quadrupling and doubling of skin
cancers by 2100. The Copenhagen amendments would produce a peak relative
increase of about 10% by 2060.
"Influence of the Greenhouse Effect on Human Health Through
Stratospheric Cooling: Possible Increase in Acquired Immunodeficient Syndrome,"
K. Okamoto (Toyo Gakuen Univ., 1660 Hiregasaki, Nagareyama, Chiba 270-01,
Japan), H. Tsushima, S. Tanimoto, World Resource Review, 8(3),
349-357, Sep. 1996.
Presents epidemiological evidence to support the hypothesis that cooling of
the stratosphere by greenhouse gases increases stratospheric ozone destruction,
and the resulting increase in exposure of humans to ultraviolet light could
increase the incidence of AIDS.
"Penetration of Biologically Active UV Radiation and Its Effects on
Major Biological Processes in the Bering and Chukchi Seas," Yu.A. Izrael
(Inst. Global Climate & Ecol., Rosgidromet & Russian Acad. Sci.), A.V.
Tsyban et al., No. 10, 8-20, 1995.
Actinometric, meteorological, microbiological and hydrobiological
measurements were made. Biologically active UV radiation can penetrate 5-20 m
and 1-10 m, respectively, into the Bering and Chuckchi Seas. Primary production
of organic matter was inhibited 30-80% in the 0-20 m layer. In the same layer
bacterial destruction of organic matter was 10-50%, and in the Chukchi Sea, the
effect was 40-70%.
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