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 8, NUMBER 1, JANUARY 1995
IMPACTS OF ULTRAVIOLET
"Stratospheric Ozone Reduction, Solar UV-B Radiation and
Terrestrial Ecosystems," M.M. Caldwell (Dept. Rangeland
Resour., Utah State Univ., Logan UT 84322), S.D. Flint, Clim.
Change, 28(4), 375-394, Dec. 1994.
Surveys and categorizes 300 papers from the past 20 years,
drawing general conclusions and offering recommendations with
respect to ecosystem consequences. Notes that extrapolation from
studies with isolated plants to ecosystem function is very
"Estimate of the Wavelength Dependency of Ultraviolet
Carcinogenesis in Humans and Its Relevance to the Risk Assessment
of a Stratospheric Ozone Depletion," F.R. de Gruijl, J.C.
Van der Leun (Dermatology, Univ. Hospital Utrecht, POB 85500,
NL-3508 GA Utrecht, Neth.), Health Phys., 67(4),
319-325, Oct. 1994.
The carcinogenic action spectrum results in small adjustments
to earlier estimates of the effects of stratospheric ozone
depletion on skin cancer incidence.
"UV-B-Induced Increase in Specific Leaf Weight of Cucumber
as a Consequence of Increased Starch Content," S.J. Britz
(ARS, USDA, Bldg. 046A, BARC-West, 10300 Baltimore Ave.,
Beltsville MD 20705), P. Adamse, Photochem. & Photobiol., 60(2),
116-119, Aug. 1994.
Up to 80% of the UV-generated change in specific leaf weight
in a 50% expanded leaf was caused by accumulation of
nonstructural carbohydrates, especially starch.
"Ecosystem Response to Solar Ultraviolet-B Radiation:
Influence of Trophic-Level Interactions," M.L. Bothwell,
D.M.J. Sherbot, C.M. Pollock, Science, 265(5168),
97-100, July 1, 1994. (See Global Climate Change Digest,
"Chloroplast Ultrastructure Changes in Pisum sativum
Associated with Supplementary Ultraviolet (UV-B) Radiation,"
J. He (Dept. Botany, Natl. Univ. Singapore, Lower Kent Ridge Rd.,
Singapore 0511), L.-K. Huang, M.I. Whitecross, Plant, Cell
& Environ., 17(6), 771-775, June 1994.
Supplementary UV-B radiation damaged the chloroplast structure
of pea plants. The higher concentration of starch in these plants
is probably due to its immobilization, rather than to any
increase in starch synthesis.
"Stratospheric Ozone Depletion Between 1979 and 1992:
Implications for Biologically Active Ultraviolet-B Radiation and
Non-Melanoma Skin Cancer Incidence," S. Madronich (NCAR, POB
3000, Boulder CO 80307), F.R. de Gruijl, Photochem. &
Photobiol., 59(5), 541-546, May 1994.
Analysis of satellite-based O3 measurements showed that
surface UV-B levels increased at all latitudes except the
tropics. Dose-response relationships derived from epidemiological
data can be combined with UV-B data to estimate the seasonal and
latitudinal distribution of expected increases in basal cell and
squamous cell skin cancers.
"Skin Cancer and UV Radiation," S. Madronich (NCAR, POB
3000, Boulder CO 80307), F.R. de Gruijl, Nature, 366(6450),
23, Nov. 4, 1993. (See Global Climate Change Digest, Feb.
Guide to Publishers
Index of Abbreviations