Abstract
Abstract. Volcanic dynamics is driven by the complex interplay between fluid flow (circulation of magmatic and/or hydrothermal fluids) and rock structure (volcano conduits, dykes), the comprehension of which requires both multi-parametric monitoring and modelling of relevant physical and chemical processes of the system. Understanding the factors controlling the dynamics of the processes involved in these interactions is necessary to characterize the overall behaviour of a volcano and the eventual transition mechanisms among stationarity, unrest phases and eruptive styles. The starting point in this context is to have high-quality data of several parameters (seismological, geochemical, geodetic, volcanological), acquired both over years of monitoring activity and focused field experiments. Fundamental contributions come from the use of combined multi-parametric datasets and the adoption of innovative analysis techniques and multi-disciplinary approaches. This Special Issue is addressed to those researchers, who focus their investigations in the field of volcano dynamics. Its main purpose is to shed light on the processes occurring in active volcanic systems over different time scales, with relevant implications for the hazards and the modern monitoring, thus promoting future discussions on this topic. The Issue contains this introducing preface, which describes the Volume aims, and 14 papers, reflecting the main themes. The papers are devoted to the study of some Italian sites, but the proposed approaches are general and therefore applicable to any other volcanic/hydrothermal areas.
Highlights
This Special Issue is the result of a route started in 2018 with the 10th Cities on Volcanoes international conference, held in Naples (Italy) on 2–7 September, where most of the authors of this Preface were conveners for the session S1.11 “Understanding volcanic processes through geophysical and volcanological data investigations”
Volcanic dynamics is driven by the complex interplay between fluid flow and rock structure, the comprehension of which requires both multiparametric monitoring and modelling of relevant physical and chemical processes of the system
Understanding the factors controlling the dynamics of the processes involved in these interactions is necessary to characterize the overall behaviour of a volcano and the eventual transition mechanisms among stationarity, unrest phases and eruptive styles
Summary
This Special Issue is the result of a route started in 2018 with the 10th Cities on Volcanoes international conference, held in Naples (Italy) on 2–7 September, where most of the authors of this Preface were conveners for the session S1.11 “Understanding volcanic processes through geophysical and volcanological data investigations” (http://editoria.rm.ingv. it/miscellanea/2018/miscellanea43/, last access: 3 November 2018). A particular attention is devoted to the comprehension of the phenomena that require multi-parametric monitoring and modelling of relevant physical and chemical processes of the system Both the convened sessions were characterized by interesting discussions on different aspects concerning the processes occurring within the volcanic systems; how they manifest over different time scales (from seconds to hours, from days to weeks, etc.); how they can be intercepted, throughout the use of instrumentation spanning all the possible frequency bands associated to the known transients or continuous signals (short-period to broadband seismic velocimeters, gravimeters, tiltimeters, strainmeters, etc.); what are the relevant implications for the hazard; how the interplay between the modern monitoring systems and the research should work. Interplay between the monitoring and field experiments, and the connected research based on high-quality data
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