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 5, MAY 1995
OF GENERAL INTEREST: OZONE DEPLETION
Deduced from Combined Nimbus 7 SBUV and NOAA 11 SBUV/2 Data," S.M.
Hollandsworth (NASA-Goddard, Greenbelt MD 20771), R.D. McPeters et al., Geophys.
Res. Lett., 22(8), 905-908, Apr. 15, 1995.
Extends the Nimbus-7 SBUV measurements of global ozone (Nov. 1978-June 1990)
through June 1994 using measurements from the NOAA-11 SBUV/2. In the tropical
middle stratosphere and in the upper stratosphere at mid-latitudes, trends
through June 1994 are 1.5-2% per decade less negative than through June 1990. In
the lower stratosphere, trends are nearly 1.5% per decade more negative in the
Southern Hemisphere tropical regions, but are relatively unchanged elsewhere.
Ozone DepletionAn Overview of the Scientific Debate," F. Drake (Sch.
Geog., Univ. Leeds, Leeds LS2 9JT, UK), Prog. Phys. Geog., 19(1),
1-17, Mar. 1995.
Gives a detailed account of the development scientific understanding of
anthropogenic influences on the ozone layer, starting with concern over
supersonic aircraft emissions around 1970.
Methyl Bromide (CH3Br) from Agricultural Soil Fumigations," K. Yagi (Natl.
Inst. Agro-Environ. Sci., Tsukuba, Ibaraki 305, Japan), J. Williams et al., Science,
267(5206), 1979-1981, Mar. 31, 1995.
After seven days of field fumigation, 34% of the applied methyl bromide had
escaped into the atmosphere. Comparison with an earlier experiment, in which the
amount of escape was greater, showed that higher soil pH, organic content and
moisture, and deeper, more uniform injection of methyl bromide may in
combination reduce the escape.
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