Stratospheric sulfate from the Gareloi Eruption, 1980: Contribution to the "ambient" aerosol by a poorly documented volcanic eruption | Zendy

Sedlacek W. A. | Zendy; Mroz E. J. | Zendy; Heiken G. | Zendy

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Stratospheric sulfate from the Gareloi Eruption, 1980: Contribution to the "ambient" aerosol by a poorly documented volcanic eruption

Author(s) -

Sedlacek W. A.,

Mroz E. J.,

Heiken G.

Publication year - 1981

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/gl008i007p00761

Subject(s) - volcano , explosive eruption , vulcanian eruption , geology , plume , aerosol , sulfate aerosol , northern hemisphere , debris , altitude (triangle) , impact crater , volcanic ash , atmospheric sciences , panache , stratosphere , pyroclastic rock , astrobiology , meteorology , geochemistry , oceanography , geography , physics , geometry , mathematics

While sampling stratospheric aerosols during July‐August 1980 a plume of "fresh" volcanic debris was observed in the Northern hemisphere. The origin of this material seems to be a poorly documented explosive eruption of Gareloi volcano in the Aleutian Islands. The debris was sampled at an altitude of 19.2 km ‐ almost twice the height of observed eruption clouds. Such remote, unobserved or poorly documented eruptions may be a source that helps maintain the "ambient" stratospheric aerosol background.

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