Estimation of glacier thicknesses and basal properties using the horizontal-to-vertical component spectral ratio (HVSR) technique from passive seismic data
Microtremor measurements and the horizontal-to-vertical spectral ratio (HVSR) technique, generally used for site effect studies as well as to determine the thickness of soft sedimentary layers, can effectively be applied to map the thickness of glaciers. In this work the radio-echo sounding, geoelec...
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ftdoajarticles:oai:doaj.org/article:8061ded86700408abfa8f46b7203dbef 2023-05-15T13:47:49+02:00 Estimation of glacier thicknesses and basal properties using the horizontal-to-vertical component spectral ratio (HVSR) technique from passive seismic data STEFANO PICOTTI ROBERTO FRANCESE MASSIMO GIORGI FRANCO PETTENATI JOSÉ M. CARCIONE 2017-04-01T00:00:00Z https://doi.org/10.1017/jog.2016.135 https://doaj.org/article/8061ded86700408abfa8f46b7203dbef EN eng Cambridge University Press https://www.cambridge.org/core/product/identifier/S0022143016001350/type/journal_article https://doaj.org/toc/0022-1430 https://doaj.org/toc/1727-5652 doi:10.1017/jog.2016.135 0022-1430 1727-5652 https://doaj.org/article/8061ded86700408abfa8f46b7203dbef Journal of Glaciology, Vol 63, Pp 229-248 (2017) active seismic HVSR technique geoelectric passive seismic radio-echo sounding Environmental sciences GE1-350 Meteorology. Climatology QC851-999 article 2017 ftdoajarticles https://doi.org/10.1017/jog.2016.135 2023-03-12T01:30:59Z Microtremor measurements and the horizontal-to-vertical spectral ratio (HVSR) technique, generally used for site effect studies as well as to determine the thickness of soft sedimentary layers, can effectively be applied to map the thickness of glaciers. In this work the radio-echo sounding, geoelectric and active seismic methods, widely employed to image the earth interior, are applied to verify the reliability of the HVSR technique in Alpine and Antarctic glacial environments. The technique has been used to analyze passive seismic data from glaciers of the Adamello and Ortles-Cevedale massifs (Italy), the Bernese Oberland Alps (Switzerland) and from the Whillans Ice Stream (West Antarctica). Comparing with the results obtained from the different geophysical imaging methods, we show that the resonance frequency in the HVSR spectra correlates well with the ice thickness at the site, in a wide range from a few tens of meters to more than 800 m. The reliability of the method mainly depends on the coupling of sensors at the glacier surface and on the basal impedance contrast. This passive seismic technique offers a logistically efficient and cost effective method to map glacier and ice-sheet thicknesses. Moreover, under certain conditions, it allows reliable estimations of the basal seismic properties. Article in Journal/Newspaper Antarc* Antarctic Antarctica Ice Sheet Journal of Glaciology West Antarctica Whillans Ice Stream Directory of Open Access Journals: DOAJ Articles Antarctic West Antarctica Whillans ENVELOPE(-64.250,-64.250,-84.450,-84.450) Whillans Ice Stream ENVELOPE(-145.000,-145.000,-83.667,-83.667) Journal of Glaciology 63 238 229 248 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
active seismic HVSR technique geoelectric passive seismic radio-echo sounding Environmental sciences GE1-350 Meteorology. Climatology QC851-999 |
spellingShingle |
active seismic HVSR technique geoelectric passive seismic radio-echo sounding Environmental sciences GE1-350 Meteorology. Climatology QC851-999 STEFANO PICOTTI ROBERTO FRANCESE MASSIMO GIORGI FRANCO PETTENATI JOSÉ M. CARCIONE Estimation of glacier thicknesses and basal properties using the horizontal-to-vertical component spectral ratio (HVSR) technique from passive seismic data |
topic_facet |
active seismic HVSR technique geoelectric passive seismic radio-echo sounding Environmental sciences GE1-350 Meteorology. Climatology QC851-999 |
description |
Microtremor measurements and the horizontal-to-vertical spectral ratio (HVSR) technique, generally used for site effect studies as well as to determine the thickness of soft sedimentary layers, can effectively be applied to map the thickness of glaciers. In this work the radio-echo sounding, geoelectric and active seismic methods, widely employed to image the earth interior, are applied to verify the reliability of the HVSR technique in Alpine and Antarctic glacial environments. The technique has been used to analyze passive seismic data from glaciers of the Adamello and Ortles-Cevedale massifs (Italy), the Bernese Oberland Alps (Switzerland) and from the Whillans Ice Stream (West Antarctica). Comparing with the results obtained from the different geophysical imaging methods, we show that the resonance frequency in the HVSR spectra correlates well with the ice thickness at the site, in a wide range from a few tens of meters to more than 800 m. The reliability of the method mainly depends on the coupling of sensors at the glacier surface and on the basal impedance contrast. This passive seismic technique offers a logistically efficient and cost effective method to map glacier and ice-sheet thicknesses. Moreover, under certain conditions, it allows reliable estimations of the basal seismic properties. |
format |
Article in Journal/Newspaper |
author |
STEFANO PICOTTI ROBERTO FRANCESE MASSIMO GIORGI FRANCO PETTENATI JOSÉ M. CARCIONE |
author_facet |
STEFANO PICOTTI ROBERTO FRANCESE MASSIMO GIORGI FRANCO PETTENATI JOSÉ M. CARCIONE |
author_sort |
STEFANO PICOTTI |
title |
Estimation of glacier thicknesses and basal properties using the horizontal-to-vertical component spectral ratio (HVSR) technique from passive seismic data |
title_short |
Estimation of glacier thicknesses and basal properties using the horizontal-to-vertical component spectral ratio (HVSR) technique from passive seismic data |
title_full |
Estimation of glacier thicknesses and basal properties using the horizontal-to-vertical component spectral ratio (HVSR) technique from passive seismic data |
title_fullStr |
Estimation of glacier thicknesses and basal properties using the horizontal-to-vertical component spectral ratio (HVSR) technique from passive seismic data |
title_full_unstemmed |
Estimation of glacier thicknesses and basal properties using the horizontal-to-vertical component spectral ratio (HVSR) technique from passive seismic data |
title_sort |
estimation of glacier thicknesses and basal properties using the horizontal-to-vertical component spectral ratio (hvsr) technique from passive seismic data |
publisher |
Cambridge University Press |
publishDate |
2017 |
url |
https://doi.org/10.1017/jog.2016.135 https://doaj.org/article/8061ded86700408abfa8f46b7203dbef |
long_lat |
ENVELOPE(-64.250,-64.250,-84.450,-84.450) ENVELOPE(-145.000,-145.000,-83.667,-83.667) |
geographic |
Antarctic West Antarctica Whillans Whillans Ice Stream |
geographic_facet |
Antarctic West Antarctica Whillans Whillans Ice Stream |
genre |
Antarc* Antarctic Antarctica Ice Sheet Journal of Glaciology West Antarctica Whillans Ice Stream |
genre_facet |
Antarc* Antarctic Antarctica Ice Sheet Journal of Glaciology West Antarctica Whillans Ice Stream |
op_source |
Journal of Glaciology, Vol 63, Pp 229-248 (2017) |
op_relation |
https://www.cambridge.org/core/product/identifier/S0022143016001350/type/journal_article https://doaj.org/toc/0022-1430 https://doaj.org/toc/1727-5652 doi:10.1017/jog.2016.135 0022-1430 1727-5652 https://doaj.org/article/8061ded86700408abfa8f46b7203dbef |
op_doi |
https://doi.org/10.1017/jog.2016.135 |
container_title |
Journal of Glaciology |
container_volume |
63 |
container_issue |
238 |
container_start_page |
229 |
op_container_end_page |
248 |
_version_ |
1766247913963388928 |