Dynamics of Transport Processes in the Upper Troposphere
- 16 May 1997
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 276 (5315) , 1079-1083
- https://doi.org/10.1126/science.276.5315.1079
Abstract
A number of key problems in atmospheric chemistry are shaped by the strength and character of the various mechanisms acting to move and mix air in the upper troposphere. These transport processes are examined from a mechanistic perspective, with primary emphasis on the tropopause and middle-troposphere regions in the extratropics. The roles of vertical and horizontal transport “barriers” are explored, including the processes by which such barriers are created and are overcome. These transport considerations lead to a hypothesis concerning the processes that shape the tropopause itself. Some perspectives are offered on the still immature subject of transport in the upper troposphere of the tropics.Keywords
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