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(Article of periodic en Anglais - 1982)

Document title

Historic eruptions of Tambora (1815), Krakatau (1883), and Agung (1963), their stratospheric aerosols, and climatic impact

Authors(s) and Affiliation(s)

RAMPINO M. R. ; SELF S. ;

Abstract

Decreases in surface temperature of a few tenths of a degree C for several years following volcanic eruptions are primarily a result of the sulfate aerosols, rather than of the silicate dust. The similarity in the atmospheric response after these three eruptions supports the idea of limiting mechanisms on volcanic stratospheric-aerosol loading, which is suggested by microphysical processes of aerosol particles. Fluctuations in stratospheric aerosol optical depth seem to be controlled to a large degree by high-intensity sulfur-rich eruptions (e.g., Agung, 1963), which may however be relatively small in total ejecta volume. Such eruptions leave little geologic record, but appear as acidity peaks in polar ice cores.

Source

Article of periodic

published at : Quaternary research New York

Editor :

Millesime : 1982, vol. 18, no2 [pp. 127-143]

Bibliographic references : 93 réf.

Language

Anglais

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