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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 7, NUMBER 4, APRIL 1994

PROFESSIONAL PUBLICATIONS...

• STRATOSPHERIC OZONE: CHEMISTRY AND PHYSICS

Item #d94apr82

Special Section: "Airborne Arctic Stratospheric Expedition II," Geophys. Res. Lett., 20(22), Nov. 19, 1993. Includes 20 papers, introduced by the following:

"...An Overview," J.G. Anderson (Dept. Chem., Harvard Univ., Cambridge MA 02138), O.B. Toon, 2499-2502. The major concerns for AASE-II were whether significant ozone loss would occur in the next ten years within the Arctic vortex due to Cl loading, and the mechanisms responsible for ozone loss poleward of 30 N.

Item #d94apr83

"Diffusion and Solubility of HCl in Ice: Preliminary Results," F. Dominé (Lab. Glaciol & Géophys. Environ., CNRS, St. Martin d'Hères, France), E. Thibert et al., ibid., 21(7), 601-604, Apr. 1, 1994. Experiments suggest that HCl is not incorporated into stratospheric ice crystals.

Item #d94apr84

"Mission Investigates Radiation Arriving at Earth," D.N. Baker (Lab. Extraterr. Phys., NASA-Goddard, Greenbelt MD 20771), Eos, 75(11), 130-131, Mar. 15, 1994.

Reports on a newly discovered radiation belt that could produce variations in global ozone. The belt consists of trapped heavy ions and dips closest to Earth over the South Atlantic.

Item #d94apr85

"Decomposition of Halomethanes on a-Alumina at Stratospheric Temperatures," G.N. Robinson (Ctr. Chem. & Environ. Phys., Aerodyne Res. Inc., Billerica MA 01821), Geophys. Res. Lett., 21(5), 377-380, Mar. 1, 1994.

Data suggest that halocarbon source gases decompose on alumina solid-propellant rocket motor exhaust particles in the stratosphere.

Item #d94apr86

"Influence of the Heterogeneous Reaction HCl + HOCl on an Ozone Hole Model with Hydrocarbon Additions," S. Elliott (Inst. Geophys. & Planet. Phys., Los Alamos Natl. Lab., Los Alamos NM 87544), R.J. Cicerone et al., J. Geophys. Res., 99(D2), 3497-3508, Feb. 20, 1994.

Investigates kinetics related to the injection of ethane or propane as a means for reducing ozone loss within the Antarctic vortex.

Item #d94apr87

"Ozone Response to Enhanced Heterogeneous Processing After the Eruption of Mt. Pinatubo," J.M. Rodriguez (Atmos. & Environ. Res. Inc., 840 Memorial Dr., Cambridge MA 02139), M.K.W. Ko et al., Geophys. Res. Lett., 21(3), 209-212, Feb. 1, 1994.

Combines SAGE-II measurements with a 2-D model. If heterogeneous mechanisms are the primary cause of the low 1992-1993 ozone levels, ozone concentrations should start recovering in 1994.

Item #d94apr88

"Transport out of the Lower Stratospheric Arctic Vortex by Rossby Wave Breaking," D.W. Waugh (Ctr. Meteorol. & Phys. Oceanog., Mass. Inst. Technol., Cambridge MA 02139), R.A. Plumb et al., J. Geophys. Res., 99(D1), 1071-1088, Jan. 20, 1994.

Based on observations, Rossby wave breaking was an ongoing occurrence during the experiments, and air was ejected from the polar vortex in the form of long filamentary structures.

Item #d94apr89

"CF3 Chemistry: Potential Implications for Stratospheric Ozone," M.K.W. Ko (Atmos. & Environ. Res. Inc., 840 Memorial Dr., Cambridge MA 02139), N.-D. Sze et al., Geophys. Res. Lett., 21(2), 101-104, Jan. 15, 1994.

Calculations suggest kinetic measurements that could reduce uncertainties in CF3 chemistry, and help to determine the ozone depletion potential of CF3-bearing compounds.

Specialized Papers

Item #d94apr90

"Coherent Variations of Monthly Mean Total Ozone and Lower Stratospheric Temperature," W.J. Randel (NCAR, POB 3000, Boulder CO 80307), J.B. Cobb, J. Geophys. Res., 99(D3), 5433-5447, Mar. 20, 1994.

Item #d94apr91

"Potential for Meteorological Bias in Lidar Ozone Data Sets Resulting from the Restricted Frequency of Measurement Due to Cloud Cover," H. De Backer, E.P. Visser (Air Res. Lab., RIVM, Bilthoven, Neth.) et al., ibid., 99(D1), 1395-1401, Jan. 20, 1994.