The mobility of nuees ardentes

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ID: 293663
1960
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Abstract
Nuees ardentes, the hot clouds characteristic of Pelean eruptions, carry and deposit tremendous loads of fragmental volcanic rock. Blocks several meters across may be carried for 25 km. on slopes of about 10 degrees . According to the generally accepted gas-emission hypothesis, the blocks of lava are supported by volatiles emitted from their bases during their transport. Calculations suggest, however, that the mechanism would not be effective, and further, that by this mechanism, large blocks should travel farther than small ones, resulting in size-sorting with respect to the source. Such distribution has not been reported. Experiments with hot and cold sand suggest that the mobility of nuees ardentes is due to extreme internal turbulence caused by envelopment of cold air by hot fragmental debris.
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openalex_W2104620793 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors K. C. McTaggart
Journal american journal of science
Year 1960
DOI
10.2475/ajs.258.5.369
URL
https://ajs.scholasticahq.com/article/58813.pdf
Keywords Keywords not found

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