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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...

• AIRCRAFT EMISSIONS

Item #d94apr38

"Effects on Stratospheric Ozone from High-Speed Civil Transport [HSCT]: Sensitivity to Stratospheric Aerosol Loading," D.K. Weisenstein (Atmos. & Environ. Res. Inc., 840 Memorial Dr., Cambridge MA 02139), M.K.W. Ko et al., J. Geophys. Res., 98(D12), 23,133-23,140, Dec. 20, 1993.

Used a two-dimensional model to show that a fourfold increase in aerosol loading (by volcanic emissions) would significantly reduce ozone depletion due to HSCT.

Item #d94apr39

"Sensitivity of Supersonic Aircraft Modelling Studies to HNO3 Photolysis Rate," A.E. Jones (Brit. Antarctic Surv., High Cross, Madingley Rd., Cambridge CB3 0ET, UK), S. Bekki, J.A. Pyle, Geophys. Res. Lett., 20(20), 2231-2234, Oct. 22, 1993.

Results demonstrate uncertainty about the impact of aircraft on ozone chemistry, and about lower stratosphere processes. Under one scenario, ozone loss at high latitudes will decrease, and ozone will increase in low to mid-latitudes.

Item #d94apr40

"NOy from Sub-Sonic Aircraft Emissions: A Global Three-Dimensional Model Study," P.S. Kasibhatla (Sch. Geophys. Sci., Georgia Inst. Technol., Atlanta GA 30332), ibid., 20(16), 1707-1710, Aug. 20.

Results are generally consistent with two-dimensional models. However, comparisons with measurements suggest that fossil-fuel combustion, stratospheric NOx production and aircraft emissions are not the only significant sources of free tropospheric NOy over Hawaii and Alaska.

Item #d94apr41

"Implications of Three-Dimensional Tracer Studies for Two-Dimensional Assessments of the Impact of Supersonic Aircraft on Stratospheric Ozone," A.R. Douglass (Lab. Atmos., NASA-Goddard, Greenbelt MD 20771), R.B. Rood et al., J. Geophys. Res., 98(D5), 8949-8963, May 20, 1993.

Model results for the transport and dispersion of aircraft exhaust tracer suggest that, although more tracer from the tropical flight corridor is transported to higher altitude than from other corridors, one corridor is not inherently more or less polluting than another.

Specialized Papers

Item #d94apr42

"Subsidence of Aircraft Engine Exhaust in the Stratosphere: Implications for Calculated Ozone Depletions," J.M. Rodríguez (Atmos. & Environ. Res. Inc., 840 Memorial Dr., Cambridge MA 02139), R.-L. Shia et al., Geophys. Res. Lett., 21(1), 69-72, Jan. 1, 1994.

Item #d94apr43

Two items from J. Geophys. Res., 98(D12), Dec. 20, 1993:

"North Atlantic Air Traffic Within the Lower Stratosphere: Cruising Times and Corresponding Emissions," K.P. Hoinka (Inst. Phys. Atmos., DLR, Postfach 1116, 82230 Wessling, Ger.), M.E. Reinhardt, W. Metz, 23,113-23,131.

"High-Speed Civil Transport Impact: Role of Sulfate, Nitric Acid Trihydrate, and Ice Aerosols Studied with a Two-Dimensional Model Including Aerosol Physics," G. Pitari (Univ. degli Studi, 67010 Coppito, Aquila, Italy), V. Rizi et al., 23,141-23,164.

Item #d94apr44

"Laboratory Flow Reactor Measurements of the Reaction SO3 + H2O + M Implications for Gaseous H2SO4 and Aerosol Formation in the Plumes of Jet Aircraft," Th. Reiner (M. Planck Inst. Kernphys., Postfach 103980, 6900 Heidelberg, Ger.), F. Arnold, Geophys. Res. Lett., 20(23), 2659-2662, Dec. 14, 1993.

Item #d94apr45

"Nitric Oxide Emissions from the High-Temperature Viscous Boundary Layers of Hypersonic Aircraft Within the Stratosphere," S.B. Brooks (Dept. Mech. Eng., Catholic Univ., Washington DC 20064), M.J. Lewis, R.R. Dickerson, J. Geophys. Res., 98(D9), 16,755-16,760, Sep. 20, 1993.

Item #d94apr46

"The Heterogeneous Interaction of NO2 with Amorphous Carbon," K. Tabor (Lab. Air & Soil Pollut. Stud., Swiss Fed. Inst. Technol., CH-1015 Lausanne, Switz.), L. Gutzwiller, M.J. Rossi, Geophys. Res. Lett., 20(14), 1431-1434, July 23, 1993. In engine wakes, NO oxidation by O2 is accelerated.