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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 4, APRIL 1995

PROFESSIONAL PUBLICATIONS...
BIOGEOCHEMICAL CYCLES: CARBONYL SULFIDE

Item #d95apr65

"Quantum Yield for Carbon Monoxide Production in the 248 nm Photodissociation of Carbonyl Sulfide (OCS)," Z. Zhao (Sch. Earth & Atmos. Sci., Georgia Tech, Atlanta GA 30332), R.E. Stickel, P.H. Wine, Geophys. Res. Lett., 22(5), 615-618, Mar. 1, 1995.

Measurements suggest that the contribution of OCS as a precursor to the lower stratospheric sulfate aerosol layer is somewhat larger than previously thought.

Item #d95apr66

"Vertical Profile Measurements of Carbonylsulfide in the Stratosphere," A. Engel (Forschungszentrum Jülich GMBH, ICG-1, 52425 Jülich, Ger.), U. Schmidt, ibid., 21(20), 2219-2222, Oct. 1, 1994.

Measures COS for 17-30 km altitude, using whole air sampling with subsequent gas chromatographic analysis. Calculates removal in the stratosphere to be 69 ± 28 years. Comparing this number to the estimated fluxes needed to sustain background H2SO4 aerosol confirms that most nonvolcanic aerosol is produced by the oxidation of COS in the stratosphere.

Specialized Papers

Item #d95apr67

"Carbonyl Sulfide (COS) Measurements in the Arctic Polar Vortex," K.A. Kourtidis (M. Planck Inst. Aeron., POB 20, D-37189 Katlenburg-Lindau, Ger.), R. Borchers et al., Geophys. Res. Lett., 22(4), 393-396, Feb. 15, 1995.

Item #d95apr68

"Photoproduction of Carbonyl Sulfide in South Pacific Ocean Waters as a Function of Irradiation Wavelength," P.S. Weiss (Pacific Marine Environ. Lab., 7600 Sand Point Way NE, Seattle WA 98115), S.S. Andrews et al., ibid., 22(3), 215-218, Feb. 1, 1995.

Item #d95apr69

"Factors Affecting the Photochemical Production of Carbonyl Sulfide in Seawater," R.G. Zepp (Environ. Res. Lab., U.S. EPA, Athens GA 30605), M.O. Andreae, ibid., 21(25), 2813-2816, Dec. 15, 1994.