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Time-lapse imaging of active lava flows at Mt. Etna, Sicily

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Time-lapse imaging of active lava flows at Mt. Etna, Sicily. / James, Michael; Pinkerton, Harry; Applegarth, Louisa; Hancock, Anson; Slatcher, Neil; Owen, Jacqueline; Calvari, Sonia; Ganci, Gaetana.

2015. Poster session presented at AGU Fall Meeting 2014, San Francisco, United States.

Research output: Contribution to conference - Without ISBN/ISSN Poster

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James M, Pinkerton H, Applegarth L, Hancock A, Slatcher N, Owen J et al. Time-lapse imaging of active lava flows at Mt. Etna, Sicily. 2015. Poster session presented at AGU Fall Meeting 2014, San Francisco, United States.

Author

James, Michael ; Pinkerton, Harry ; Applegarth, Louisa ; Hancock, Anson ; Slatcher, Neil ; Owen, Jacqueline ; Calvari, Sonia ; Ganci, Gaetana. / Time-lapse imaging of active lava flows at Mt. Etna, Sicily. Poster session presented at AGU Fall Meeting 2014, San Francisco, United States.

Bibtex

@conference{90d7411f135043c29c9c449d616f4e52,
title = "Time-lapse imaging of active lava flows at Mt. Etna, Sicily",
abstract = "Over the last ~6 years, remote time-lapse cameras have been deployed on Mt. Etna, Sicily, with a view to capturing the emplacement of a substantial lava flow field. Initial deployment of wildlife trail-style cameras in 2008 acquired data on lava channel processes during the 2008-9 eruption. In 2009, just in time to capture the dying phases of the eruption, an upgraded network of dSLRs was installed. The network has subsequently captured the steady growth of the New South East crater and the rapid emplacement of short-lived sheet flows that have accompanied the recent paroxysmal fire fountaining events. Most of the imagery has been acquired over distances of multiple kilometres, but the portability of the time-lapse setup has also allowed several opportunistic close range (hundreds of metres or less) deployments, to observe near-vent processes or effusion inside the Bocca Nuova crater.Here, we provide an overview of the equipment, and the approaches used to georeference the monoscopic time-lapse imagery through integrating with 3D data (e.g. existing DEMs, or data simultaneously collected by terrestrial laser scanner or photogrammetric techniques). The acquired observations of flow front emplacement, flow inflation, channel breaching and effusion rate variations that provide insight into the processes involved in long lived flow fields will be presented. Significant opportunities remain, for example, in the near real-time derivation of bulk rheological parameters, and integration with numerical flow models, and the challenges involved in using such imagery will be discussed.",
keywords = "Etna, Time-lapse imaging, DEM, photogrammetry",
author = "Michael James and Harry Pinkerton and Louisa Applegarth and Anson Hancock and Neil Slatcher and Jacqueline Owen and Sonia Calvari and Gaetana Ganci",
year = "2015",
language = "English",
note = "AGU Fall Meeting 2014 ; Conference date: 15-12-2014 Through 19-12-2014",

}

RIS

TY - CONF

T1 - Time-lapse imaging of active lava flows at Mt. Etna, Sicily

AU - James, Michael

AU - Pinkerton, Harry

AU - Applegarth, Louisa

AU - Hancock, Anson

AU - Slatcher, Neil

AU - Owen, Jacqueline

AU - Calvari, Sonia

AU - Ganci, Gaetana

PY - 2015

Y1 - 2015

N2 - Over the last ~6 years, remote time-lapse cameras have been deployed on Mt. Etna, Sicily, with a view to capturing the emplacement of a substantial lava flow field. Initial deployment of wildlife trail-style cameras in 2008 acquired data on lava channel processes during the 2008-9 eruption. In 2009, just in time to capture the dying phases of the eruption, an upgraded network of dSLRs was installed. The network has subsequently captured the steady growth of the New South East crater and the rapid emplacement of short-lived sheet flows that have accompanied the recent paroxysmal fire fountaining events. Most of the imagery has been acquired over distances of multiple kilometres, but the portability of the time-lapse setup has also allowed several opportunistic close range (hundreds of metres or less) deployments, to observe near-vent processes or effusion inside the Bocca Nuova crater.Here, we provide an overview of the equipment, and the approaches used to georeference the monoscopic time-lapse imagery through integrating with 3D data (e.g. existing DEMs, or data simultaneously collected by terrestrial laser scanner or photogrammetric techniques). The acquired observations of flow front emplacement, flow inflation, channel breaching and effusion rate variations that provide insight into the processes involved in long lived flow fields will be presented. Significant opportunities remain, for example, in the near real-time derivation of bulk rheological parameters, and integration with numerical flow models, and the challenges involved in using such imagery will be discussed.

AB - Over the last ~6 years, remote time-lapse cameras have been deployed on Mt. Etna, Sicily, with a view to capturing the emplacement of a substantial lava flow field. Initial deployment of wildlife trail-style cameras in 2008 acquired data on lava channel processes during the 2008-9 eruption. In 2009, just in time to capture the dying phases of the eruption, an upgraded network of dSLRs was installed. The network has subsequently captured the steady growth of the New South East crater and the rapid emplacement of short-lived sheet flows that have accompanied the recent paroxysmal fire fountaining events. Most of the imagery has been acquired over distances of multiple kilometres, but the portability of the time-lapse setup has also allowed several opportunistic close range (hundreds of metres or less) deployments, to observe near-vent processes or effusion inside the Bocca Nuova crater.Here, we provide an overview of the equipment, and the approaches used to georeference the monoscopic time-lapse imagery through integrating with 3D data (e.g. existing DEMs, or data simultaneously collected by terrestrial laser scanner or photogrammetric techniques). The acquired observations of flow front emplacement, flow inflation, channel breaching and effusion rate variations that provide insight into the processes involved in long lived flow fields will be presented. Significant opportunities remain, for example, in the near real-time derivation of bulk rheological parameters, and integration with numerical flow models, and the challenges involved in using such imagery will be discussed.

KW - Etna

KW - Time-lapse imaging

KW - DEM

KW - photogrammetry

M3 - Poster

T2 - AGU Fall Meeting 2014

Y2 - 15 December 2014 through 19 December 2014

ER -