Journal of the Meteorological Society of Japan. Ser. II
Online ISSN : 2186-9057
Print ISSN : 0026-1165
ISSN-L : 0026-1165
The Influence of Volcanic Dust on Precipitation
K. IsonoM. Komabayasi
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1954 Volume 32 Issue 11-12 Pages 345-353

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Abstract

It is conceivable that the volcanic eruption is one of the important sources which supply ice-forming nuclei and large condensation nuclei for the atmosphere.
We have found statistically that volcanic eruptions of Mt. Asama had a close relation to the precipitation in its neighbouring districts, and experiments showed that volcanic dust particles of this mountain were effective as ice-forming nuclei at temperatures below -14°C.
These statistical and experimental results show that volcanic dust particles are important nuclei in the atmosphere and increase the amount of precipitation.

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