Electrical and Electromagnetic Geophysical Prospecting for the Monitoring of Rock Glaciers in the Dolomites, Northeast Italy
The monitoring of rock glaciers plays a relevant role in relation to natural hazards in high mountain environments. Due to the climate warming, mountain permafrost is thawing, and its degradation is influencing the triggering and the evolvement of processes such as rockfalls, landslides, debris flow...
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2021
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ftdoajarticles:oai:doaj.org/article:b150ff11c9a5411cb9eca1289ec064b9 2024-01-07T09:45:56+01:00 Electrical and Electromagnetic Geophysical Prospecting for the Monitoring of Rock Glaciers in the Dolomites, Northeast Italy Mirko Pavoni Fabio Sirch Jacopo Boaga 2021-02-01T00:00:00Z https://doi.org/10.3390/s21041294 https://doaj.org/article/b150ff11c9a5411cb9eca1289ec064b9 EN eng MDPI AG https://www.mdpi.com/1424-8220/21/4/1294 https://doaj.org/toc/1424-8220 doi:10.3390/s21041294 1424-8220 https://doaj.org/article/b150ff11c9a5411cb9eca1289ec064b9 Sensors, Vol 21, Iss 4, p 1294 (2021) ERT FDEM EMI frequency domain electro-magnetometry mountain permafrost rock glacier Chemical technology TP1-1185 article 2021 ftdoajarticles https://doi.org/10.3390/s21041294 2023-12-10T01:45:38Z The monitoring of rock glaciers plays a relevant role in relation to natural hazards in high mountain environments. Due to the climate warming, mountain permafrost is thawing, and its degradation is influencing the triggering and the evolvement of processes such as rockfalls, landslides, debris flows and floods. Therefore, the study and monitoring of these periglacial forms have both a scientific and economic importance. We tested electrical and electromagnetic measurements along the same investigation lines, in two different sites of the Dolomites area (Northeast Italy). Electrical prospecting exploits the high resistivity contrast between frozen and non-frozen debris. However, these measurements have high logistic demands, considering the complex rock glaciers surface and the need of ground galvanic contact. For this reason, we tried to compare electrical measurements with electromagnetic contactless ones, that theoretically can be used to define the distribution of electrical resistivity in the first subsoil in a quicker and easier way. The obtained results show that the joint use of the two methods allows us to characterize a rock glacier subsoil with good confidence. Finally, the advantages and disadvantages of both the techniques are discussed. Article in Journal/Newspaper permafrost Directory of Open Access Journals: DOAJ Articles Sensors 21 4 1294 |
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Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
ERT FDEM EMI frequency domain electro-magnetometry mountain permafrost rock glacier Chemical technology TP1-1185 |
spellingShingle |
ERT FDEM EMI frequency domain electro-magnetometry mountain permafrost rock glacier Chemical technology TP1-1185 Mirko Pavoni Fabio Sirch Jacopo Boaga Electrical and Electromagnetic Geophysical Prospecting for the Monitoring of Rock Glaciers in the Dolomites, Northeast Italy |
topic_facet |
ERT FDEM EMI frequency domain electro-magnetometry mountain permafrost rock glacier Chemical technology TP1-1185 |
description |
The monitoring of rock glaciers plays a relevant role in relation to natural hazards in high mountain environments. Due to the climate warming, mountain permafrost is thawing, and its degradation is influencing the triggering and the evolvement of processes such as rockfalls, landslides, debris flows and floods. Therefore, the study and monitoring of these periglacial forms have both a scientific and economic importance. We tested electrical and electromagnetic measurements along the same investigation lines, in two different sites of the Dolomites area (Northeast Italy). Electrical prospecting exploits the high resistivity contrast between frozen and non-frozen debris. However, these measurements have high logistic demands, considering the complex rock glaciers surface and the need of ground galvanic contact. For this reason, we tried to compare electrical measurements with electromagnetic contactless ones, that theoretically can be used to define the distribution of electrical resistivity in the first subsoil in a quicker and easier way. The obtained results show that the joint use of the two methods allows us to characterize a rock glacier subsoil with good confidence. Finally, the advantages and disadvantages of both the techniques are discussed. |
format |
Article in Journal/Newspaper |
author |
Mirko Pavoni Fabio Sirch Jacopo Boaga |
author_facet |
Mirko Pavoni Fabio Sirch Jacopo Boaga |
author_sort |
Mirko Pavoni |
title |
Electrical and Electromagnetic Geophysical Prospecting for the Monitoring of Rock Glaciers in the Dolomites, Northeast Italy |
title_short |
Electrical and Electromagnetic Geophysical Prospecting for the Monitoring of Rock Glaciers in the Dolomites, Northeast Italy |
title_full |
Electrical and Electromagnetic Geophysical Prospecting for the Monitoring of Rock Glaciers in the Dolomites, Northeast Italy |
title_fullStr |
Electrical and Electromagnetic Geophysical Prospecting for the Monitoring of Rock Glaciers in the Dolomites, Northeast Italy |
title_full_unstemmed |
Electrical and Electromagnetic Geophysical Prospecting for the Monitoring of Rock Glaciers in the Dolomites, Northeast Italy |
title_sort |
electrical and electromagnetic geophysical prospecting for the monitoring of rock glaciers in the dolomites, northeast italy |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doi.org/10.3390/s21041294 https://doaj.org/article/b150ff11c9a5411cb9eca1289ec064b9 |
genre |
permafrost |
genre_facet |
permafrost |
op_source |
Sensors, Vol 21, Iss 4, p 1294 (2021) |
op_relation |
https://www.mdpi.com/1424-8220/21/4/1294 https://doaj.org/toc/1424-8220 doi:10.3390/s21041294 1424-8220 https://doaj.org/article/b150ff11c9a5411cb9eca1289ec064b9 |
op_doi |
https://doi.org/10.3390/s21041294 |
container_title |
Sensors |
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21 |
container_issue |
4 |
container_start_page |
1294 |
_version_ |
1787427592152809472 |