A Thin Stable Layer of Anomalous Ozone and Dust Content
Open Access
- 1 September 1966
- journal article
- Published by American Meteorological Society in Journal of the Atmospheric Sciences
- Vol. 23 (5) , 538-542
- https://doi.org/10.1175/1520-0469(1966)023<0538:atsloa>2.0.co;2
Abstract
Coincident observations of a layer of volcanic material and a sharp minimum in the vertical distribution of ozone over Boulder, Colo. (40N), are presented and discussed. The ozone minimum was observed at an altitude of 20–21 km for a month during the spring of 1964. Quasi-horizontal advection of a thin stable layer of tropical air into which volcanic debris was injected when Mt. Agung (8S) erupted on 17 March 1963 is thought to be responsible. The layer is characterized by a “quasi-vertical” eddy diffusion coefficient Jess than or equal to 2.5 × 102 cm2 sec−1. Significant destruction of ozone by the volcanic debris is not indicated.Keywords
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