کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6443148 | 1639973 | 2014 | 20 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Volcanic eruption triggers: A hierarchical classification
ترجمه فارسی عنوان
باعث فوران آتشفشانی می شود: طبقه بندی سلسله مراتبی
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کلمات کلیدی
فوران های آتشفشانی، راه اندازی سیستم های آتشفشانی شکست اتاق های ماگما،
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی
چکیده انگلیسی
Assessing the relative importance of various triggers of volcanic eruptions has been hampered because of the lack of a general model that allows a quantitative comparison in an unbiased form. In this paper the most important triggers of volcanic eruptions are examined using a general reference framework that visualizes volcanic eruptions as the final event on a chain of causality. Based on this general framework, a hierarchical classification of triggers is proposed. First and second order triggers are defined as processes capable to initiate the rupture of the walls of a magma reservoir, regardless of whether the tapped magma can reach the surface or not. Third order triggers are those taking place only after the rupture of the walls of a magma reservoir has occurred, but are important in determining whether the tapped magma actually reaches the surface. A fundamental trigger is defined as any first order trigger that also can provide enough energy to feed a volcanic eruption even in the absence of third order triggers. The assessment of the relative importance of triggers is done by considering the whole range of depths from which a volcanic eruption is likely to have been fed, including magma reservoirs located deeper than 150Â km, even when these eruptions might be relatively uncommon in the geological record.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Earth-Science Reviews - Volume 129, February 2014, Pages 100-119
Journal: Earth-Science Reviews - Volume 129, February 2014, Pages 100-119
نویسندگان
Edgardo Cañón-Tapia,