Temporal Development of Vesiculation

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

In previous chapters, we learned how simultaneous nucleation rate and growth rate of bubbles at instantaneous decompression are determined when temperature, pressure, and concentration of volatiles are obtained. However, to understand the entire image of the vesiculation process and vesicular texture observed in eruptive materials, such instantaneous nucleation rate and growth rate are insufficient. For this purpose, we should understand the history of the vesiculation process, i.e., the temporal development of bubble nucleation and growth processes because the fluid mechanical behavior of vesiculating magma and the vesicular texture of eruptive materials because of the nucleation rate and the growth rate temporally developed in response to temporally changing temperature, pressure, and volatile content in succession and from a mutual influence among each other. In this chapter, based on the assumption that pressure linearly decreases with time, a methodology to understand the temporal development of the vesiculation process will be explained. This helps understand the temporal development of the bubble size distribution function, and the result can be systematically understood using a small number of dimensionless controlling parameters. Moreover, the result will be applied to laboratory experiments to establish an empirical understanding of the vesiculation process.

Original languageEnglish
Title of host publicationAdvances in Volcanology
PublisherSpringer Science and Business Media Deutschland GmbH
Pages131-164
Number of pages34
DOIs
Publication statusPublished - 2022

Publication series

NameAdvances in Volcanology
ISSN (Print)2364-3277
ISSN (Electronic)2364-3285

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Geochemistry and Petrology

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