Mount Agung Eruption Provides Test of a Global Climatic Perturbation

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Science  10 Mar 1978:
Vol. 199, Issue 4333, pp. 1065-1068
DOI: 10.1126/science.199.4333.1065


The Mount Agung volcanic eruption in 1963 provides the best-documented global radiative perturbation to the earth's atmosphere currently available. Data on stratospheric aerosols produced by this eruption have been used as input to a model for the atmospheric thermal structure. The computed magnitude, sign, and phase lag of the temperature changes in both the stratosphere and the troposphere are in good agreement with observations, providing evidence that the climatic response to a global radiative perturbation is significant, as well as support for the use of theoretical models to predict climatic effects.

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