Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/13522
Authors: | De Angelis, Silvio* Diaz-Moreno, Alejandro* Zuccarello, Luciano* |
Title: | Recent Developments and Applications of Acoustic Infrasound to Monitor Volcanic Emissions | Journal: | Remote Sensing | Series/Report no.: | /11 (2019) | Issue Date: | 31-May-2019 | DOI: | 10.3390/rs11111302 | Keywords: | acoustic infrasound volcanic emissions ground-based remote sensing |
Subject Classification: | 04.08. Volcanology 05.04. Instrumentation and techniques of general interest |
Abstract: | Volcanic ash is a well-known hazard to population, infrastructure, and commercial and civil aviation. Early assessment of the parameters that control the development and evolution of volcanic plumes is crucial to effective risk mitigation. Acoustic infrasound is a ground-based remote sensing technique—increasingly popular in the past two decades—that allows rapid estimates of eruption source parameters, including fluid flow velocities and volume flow rates of erupted material. The rate at which material is ejected from volcanic vents during eruptions, is one of the main inputs into models of atmospheric ash transport used to dispatch aviation warnings during eruptive crises. During explosive activity at volcanoes, the injection of hot gas-laden pyroclasts into the atmosphere generates acoustic waves that are recorded at local, regional and global scale. Within the framework of linear acoustic theory, infrasound sources can be modelled as multipole series, and acoustic pressure waveforms can be inverted to obtain the time history of volume flow at the vent. Here, we review near-field (<10 km from the vent) linear acoustic wave theory and its applications to the assessment of eruption source parameters. We evaluate recent advances in volcano infrasound modelling and inversion, and comment on the advantages and current limitations of these methods. We review published case studies from different volcanoes and show applications to new data that provide a benchmark for future acoustic infrasound studies. |
Appears in Collections: | Article published / in press |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
remotesensing-11-01302.pdf | 5.17 MB | Adobe PDF | View/Open |
WEB OF SCIENCETM
Citations
8
checked on Feb 10, 2021
Page view(s)
272
checked on Apr 24, 2024
Download(s)
20
checked on Apr 24, 2024