The influence of vegetation cover on the grain-size distributions and thicknesses of two Icelandic tephra layers
Grain-size distributions and thicknesses of tephra layers are used to reconstruct characteristics, dynamics, and hazards of explosive volcanic eruptions, but the extent to which the preservation of tephra is influenced by depositional environments is unclear. This paper analyses grain-size distribut...
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ftstandrewserep:oai:research-repository.st-andrews.ac.uk:10023/25854 2023-07-02T03:32:11+02:00 The influence of vegetation cover on the grain-size distributions and thicknesses of two Icelandic tephra layers Morison, Conner Streeter, Richard University of St Andrews. School of Geography & Sustainable Development University of St Andrews. Bell-Edwards Geographic Data Institute University of St Andrews. Environmental Change Research Group 2022-08-16T10:30:17Z application/pdf http://hdl.handle.net/10023/25854 https://doi.org/10.30909/vol.05.02.227248 eng eng Volcanica Morison , C & Streeter , R 2022 , ' The influence of vegetation cover on the grain-size distributions and thicknesses of two Icelandic tephra layers ' , Volcanica , vol. 5 , no. 2 , pp. 227-248 . https://doi.org/10.30909/vol.05.02.227248 2610-3540 PURE: 280898750 PURE UUID: d3d03cc6-4dd0-4625-b30c-459c2223fd8a crossref: 10.30909/vol.05.02.227248 ORCID: /0000-0003-2261-4540/work/117567683 Scopus: 85136951900 http://hdl.handle.net/10023/25854 https://doi.org/10.30909/vol.05.02.227248 Copyright © The Author(s) 2022. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Eyjafjallajökull Grímsvötn Volcanic ash Granulometry Eruption source parameters Remobilisation Tephrovolcanology GB Physical geography DAS AC GB Journal article 2022 ftstandrewserep https://doi.org/10.30909/vol.05.02.227248 2023-06-13T18:25:52Z Grain-size distributions and thicknesses of tephra layers are used to reconstruct characteristics, dynamics, and hazards of explosive volcanic eruptions, but the extent to which the preservation of tephra is influenced by depositional environments is unclear. This paper analyses grain-size distributions and thicknesses of tephra layers produced by the Eyjafjallajökull (2010) and Grímsvötn (2011) eruptions. We collected 110 tephra samples and layer thickness measurements from 86 sites at two locations in southern Iceland. Areas of different vegetation cover have varying capacities to affect rates of tephra erosion, retain fallout, or capture remobilised tephra. The Grímsvötn tephra was somewhat coarser-grained and thicker in areas of birch woodland than in adjacent moss heath, but no comparable differences in the Eyjafjallajökull tephra were observed. The spatial variability (over tens of metres) of median particle-size and layer thickness is low, providing confidence that relatively few samples and measurements may be required to capture fallout characteristics. Publisher PDF Peer reviewed Article in Journal/Newspaper Eyjafjallajökull Iceland University of St Andrews: Digital Research Repository Volcanica 5 2 227 248 |
institution |
Open Polar |
collection |
University of St Andrews: Digital Research Repository |
op_collection_id |
ftstandrewserep |
language |
English |
topic |
Eyjafjallajökull Grímsvötn Volcanic ash Granulometry Eruption source parameters Remobilisation Tephrovolcanology GB Physical geography DAS AC GB |
spellingShingle |
Eyjafjallajökull Grímsvötn Volcanic ash Granulometry Eruption source parameters Remobilisation Tephrovolcanology GB Physical geography DAS AC GB Morison, Conner Streeter, Richard The influence of vegetation cover on the grain-size distributions and thicknesses of two Icelandic tephra layers |
topic_facet |
Eyjafjallajökull Grímsvötn Volcanic ash Granulometry Eruption source parameters Remobilisation Tephrovolcanology GB Physical geography DAS AC GB |
description |
Grain-size distributions and thicknesses of tephra layers are used to reconstruct characteristics, dynamics, and hazards of explosive volcanic eruptions, but the extent to which the preservation of tephra is influenced by depositional environments is unclear. This paper analyses grain-size distributions and thicknesses of tephra layers produced by the Eyjafjallajökull (2010) and Grímsvötn (2011) eruptions. We collected 110 tephra samples and layer thickness measurements from 86 sites at two locations in southern Iceland. Areas of different vegetation cover have varying capacities to affect rates of tephra erosion, retain fallout, or capture remobilised tephra. The Grímsvötn tephra was somewhat coarser-grained and thicker in areas of birch woodland than in adjacent moss heath, but no comparable differences in the Eyjafjallajökull tephra were observed. The spatial variability (over tens of metres) of median particle-size and layer thickness is low, providing confidence that relatively few samples and measurements may be required to capture fallout characteristics. Publisher PDF Peer reviewed |
author2 |
University of St Andrews. School of Geography & Sustainable Development University of St Andrews. Bell-Edwards Geographic Data Institute University of St Andrews. Environmental Change Research Group |
format |
Article in Journal/Newspaper |
author |
Morison, Conner Streeter, Richard |
author_facet |
Morison, Conner Streeter, Richard |
author_sort |
Morison, Conner |
title |
The influence of vegetation cover on the grain-size distributions and thicknesses of two Icelandic tephra layers |
title_short |
The influence of vegetation cover on the grain-size distributions and thicknesses of two Icelandic tephra layers |
title_full |
The influence of vegetation cover on the grain-size distributions and thicknesses of two Icelandic tephra layers |
title_fullStr |
The influence of vegetation cover on the grain-size distributions and thicknesses of two Icelandic tephra layers |
title_full_unstemmed |
The influence of vegetation cover on the grain-size distributions and thicknesses of two Icelandic tephra layers |
title_sort |
influence of vegetation cover on the grain-size distributions and thicknesses of two icelandic tephra layers |
publishDate |
2022 |
url |
http://hdl.handle.net/10023/25854 https://doi.org/10.30909/vol.05.02.227248 |
genre |
Eyjafjallajökull Iceland |
genre_facet |
Eyjafjallajökull Iceland |
op_relation |
Volcanica Morison , C & Streeter , R 2022 , ' The influence of vegetation cover on the grain-size distributions and thicknesses of two Icelandic tephra layers ' , Volcanica , vol. 5 , no. 2 , pp. 227-248 . https://doi.org/10.30909/vol.05.02.227248 2610-3540 PURE: 280898750 PURE UUID: d3d03cc6-4dd0-4625-b30c-459c2223fd8a crossref: 10.30909/vol.05.02.227248 ORCID: /0000-0003-2261-4540/work/117567683 Scopus: 85136951900 http://hdl.handle.net/10023/25854 https://doi.org/10.30909/vol.05.02.227248 |
op_rights |
Copyright © The Author(s) 2022. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. |
op_doi |
https://doi.org/10.30909/vol.05.02.227248 |
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Volcanica |
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5 |
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2 |
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227 |
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