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Global Climate Change DigestArchives of the
Global Climate Change Digest

A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999



Item #d89jun77

"The Use of Assimilated Stratospheric Data in Constituent Transport Calculations," R.B. Rood (NASA/GSFC, Code 616, Greenbelt MD 20771), D.J. Allen et al., J. Atmos. Sci., 46(5), 687-701, Mar. 1, 1989.

Reports the first known calculations to use data from an assimilation to calculate constituent transport in the stratosphere. Among the results, accurate calculations of high-latitude time variance of HNO3 were shown. Studies suggest data from an assimilation process have great potential for the study of stratospheric dynamics, constituent transport and chemistry.

Item #d89jun78

"On the Antarctic Ozone Hole," M.E. McIntyre (Dept. Appl. Math. & Theor. Phys., Silver St., Cambridge, CB3 9EW, UK), J. Atmos. Terr. Phys., 51(1), 29-43, 1989.

In this review, presented at the Middle Atmosphere Dynamics Symposium of the 1987 IUGG Assembly in Vancouver, the author stresses the need for high-resolution numerical modeling results along with observations and dynamical theory to study the ozone hole. Suggests the need for sharp distinctions to be made, for example, between September and October behavior, between behavior near 50 mb and near 100 mb, and between soundings taken well inside, near the edge of, and outside the polar vortex.

Item #d89jun79

"Summertime Stratospheric Wind Measurements Above the South Pole," G.J. Byrne (Phys. Dept., Univ. Houston, Houston TX 77204), J.R. Benbrook et al., ibid., 51-60.

Presents mean wind flow and wave motions in the stratosphere at the South Pole during the austral summer of 1985-1986, obtained by tracking a high-altitude, zero-pressure balloon. It appears that the dominant component of the total wind vector over the duration of the flight was air motion associated with internal gravity waves. This implies that wave motions play a dominant role in the transport of stratospheric constituents in regions where the mean winds are light.

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