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Scaling Properties of Planetary Calderas and Terrestrial Volcanic Eruptions : Volume 19, Issue 6 (06/11/2012)

By Sanchez, L.

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Book Id: WPLBN0003976674
Format Type: PDF Article :
File Size: Pages 9
Reproduction Date: 2015

Title: Scaling Properties of Planetary Calderas and Terrestrial Volcanic Eruptions : Volume 19, Issue 6 (06/11/2012)  
Author: Sanchez, L.
Volume: Vol. 19, Issue 6
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2012
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Shcherbakov, R., & Sanchez, L. (2012). Scaling Properties of Planetary Calderas and Terrestrial Volcanic Eruptions : Volume 19, Issue 6 (06/11/2012). Retrieved from http://worldebookfair.org/


Description
Description: Department of Earth Sciences, University of Western Ontario, London, Ontario, N6A 5B7, Canada. Volcanism plays an important role in transporting internal heat of planetary bodies to their surface. Therefore, volcanoes are a manifestation of the planet's past and present internal dynamics. Volcanic eruptions as well as caldera forming processes are the direct manifestation of complex interactions between the rising magma and the surrounding host rock in the crust of terrestrial planetary bodies. Attempts have been made to compare volcanic landforms throughout the solar system. Different stochastic models have been proposed to describe the temporal sequences of eruptions on individual or groups of volcanoes. However, comprehensive understanding of the physical mechanisms responsible for volcano formation and eruption and more specifically caldera formation remains elusive. In this work, we propose a scaling law to quantify the distribution of caldera sizes on Earth, Mars, Venus, and Io, as well as the distribution of calderas on Earth depending on their surrounding crustal properties. We also apply the same scaling analysis to the distribution of interevent times between eruptions for volcanoes that have the largest eruptive history as well as groups of volcanoes on Earth. We find that when rescaled with their respective sample averages, the distributions considered show a similar functional form. This result implies that similar processes are responsible for caldera formation throughout the solar system and for different crustal settings on Earth. This result emphasizes the importance of comparative planetology to understand planetary volcanism. Similarly, the processes responsible for volcanic eruptions are independent of the type of volcanism or geographical location.

Summary
Scaling properties of planetary calderas and terrestrial volcanic eruptions

Excerpt
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