Scanarray-a broadband seismological experiment in the baltic shield
The ScanArray international collaborative program acquired broadband seismological data at 192 locations in the Baltic Shield during the period between 2012 and 2017. Themain objective of the programis to provide seismological constraints on the structure of the lithospheric crust and mantle as well...
Published in: | Seismological Research Letters |
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Main Authors: | , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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2021
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Online Access: | https://pure.au.dk/portal/da/publications/scanarraya-broadband-seismological-experiment-in-the-baltic-shield(df3945c0-5c71-4d76-b0df-8cc9fea962c9).html https://doi.org/10.1785/0220210015 http://www.scopus.com/inward/record.url?scp=85114616023&partnerID=8YFLogxK |
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ftuniaarhuspubl:oai:pure.atira.dk:publications/df3945c0-5c71-4d76-b0df-8cc9fea962c9 2023-12-31T10:20:58+01:00 Scanarray-a broadband seismological experiment in the baltic shield Thybo, Hans Bulut, Nevra Grund, Michael Mauerberger, Alexandra Makushkina, Anna Artemieva, Irina M. Balling, Niels Gudmundsson, Olafur Maupin, Valerie Ottemøller, Lars Ritter, Joachim Tilmann, Frederik 2021-09 https://pure.au.dk/portal/da/publications/scanarraya-broadband-seismological-experiment-in-the-baltic-shield(df3945c0-5c71-4d76-b0df-8cc9fea962c9).html https://doi.org/10.1785/0220210015 http://www.scopus.com/inward/record.url?scp=85114616023&partnerID=8YFLogxK eng eng https://pure.au.dk/portal/da/publications/scanarraya-broadband-seismological-experiment-in-the-baltic-shield(df3945c0-5c71-4d76-b0df-8cc9fea962c9).html info:eu-repo/semantics/restrictedAccess Thybo , H , Bulut , N , Grund , M , Mauerberger , A , Makushkina , A , Artemieva , I M , Balling , N , Gudmundsson , O , Maupin , V , Ottemøller , L , Ritter , J & Tilmann , F 2021 , ' Scanarray-a broadband seismological experiment in the baltic shield ' , Seismological Research Letters , vol. 92 , no. 5 , pp. 2811-2823 . https://doi.org/10.1785/0220210015 article 2021 ftuniaarhuspubl https://doi.org/10.1785/0220210015 2023-12-07T00:04:48Z The ScanArray international collaborative program acquired broadband seismological data at 192 locations in the Baltic Shield during the period between 2012 and 2017. Themain objective of the programis to provide seismological constraints on the structure of the lithospheric crust and mantle as well as the sublithospheric upper mantle. The new information will be applied to studies of how the lithospheric and deep structure affect observed fast topographic change and geological-tectonic evolution of the region. The programalso provides newinformation on local seismicity, focalmechanisms, and seismic noise. The recordings are generally of very high quality and are used for analysis by various seismological methods, including P- and S-wave receiver functions for the crust and upper mantle, surface wave and ambient noise inversion for seismic velocity, body-wave P- and S-wave tomography for upper mantle velocity structure using ray and finite frequency methods, and shear-wave splitting measurements for obtaining bulk anisotropy of the upper and lowermostmantle. Here,we provide a short overviewof the data acquisition and initial analysis of the new data, together with an example of integrated seismological results obtained by the project group along a representative ∼1800-km-long profile acrossmost of the tectonic provinces in the Baltic Shield between Denmark and the North Cape. The first models support a subdivision of the Paleoproterozoic Svecofennian province into three domains, where the highest topography of the Scandes mountain range in Norway along the Atlantic Coast has developed solely in the southern and northern domains, whereas the topography is more subdued in the central domain. Article in Journal/Newspaper North Cape Aarhus University: Research Seismological Research Letters 92 5 2811 2823 |
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Open Polar |
collection |
Aarhus University: Research |
op_collection_id |
ftuniaarhuspubl |
language |
English |
description |
The ScanArray international collaborative program acquired broadband seismological data at 192 locations in the Baltic Shield during the period between 2012 and 2017. Themain objective of the programis to provide seismological constraints on the structure of the lithospheric crust and mantle as well as the sublithospheric upper mantle. The new information will be applied to studies of how the lithospheric and deep structure affect observed fast topographic change and geological-tectonic evolution of the region. The programalso provides newinformation on local seismicity, focalmechanisms, and seismic noise. The recordings are generally of very high quality and are used for analysis by various seismological methods, including P- and S-wave receiver functions for the crust and upper mantle, surface wave and ambient noise inversion for seismic velocity, body-wave P- and S-wave tomography for upper mantle velocity structure using ray and finite frequency methods, and shear-wave splitting measurements for obtaining bulk anisotropy of the upper and lowermostmantle. Here,we provide a short overviewof the data acquisition and initial analysis of the new data, together with an example of integrated seismological results obtained by the project group along a representative ∼1800-km-long profile acrossmost of the tectonic provinces in the Baltic Shield between Denmark and the North Cape. The first models support a subdivision of the Paleoproterozoic Svecofennian province into three domains, where the highest topography of the Scandes mountain range in Norway along the Atlantic Coast has developed solely in the southern and northern domains, whereas the topography is more subdued in the central domain. |
format |
Article in Journal/Newspaper |
author |
Thybo, Hans Bulut, Nevra Grund, Michael Mauerberger, Alexandra Makushkina, Anna Artemieva, Irina M. Balling, Niels Gudmundsson, Olafur Maupin, Valerie Ottemøller, Lars Ritter, Joachim Tilmann, Frederik |
spellingShingle |
Thybo, Hans Bulut, Nevra Grund, Michael Mauerberger, Alexandra Makushkina, Anna Artemieva, Irina M. Balling, Niels Gudmundsson, Olafur Maupin, Valerie Ottemøller, Lars Ritter, Joachim Tilmann, Frederik Scanarray-a broadband seismological experiment in the baltic shield |
author_facet |
Thybo, Hans Bulut, Nevra Grund, Michael Mauerberger, Alexandra Makushkina, Anna Artemieva, Irina M. Balling, Niels Gudmundsson, Olafur Maupin, Valerie Ottemøller, Lars Ritter, Joachim Tilmann, Frederik |
author_sort |
Thybo, Hans |
title |
Scanarray-a broadband seismological experiment in the baltic shield |
title_short |
Scanarray-a broadband seismological experiment in the baltic shield |
title_full |
Scanarray-a broadband seismological experiment in the baltic shield |
title_fullStr |
Scanarray-a broadband seismological experiment in the baltic shield |
title_full_unstemmed |
Scanarray-a broadband seismological experiment in the baltic shield |
title_sort |
scanarray-a broadband seismological experiment in the baltic shield |
publishDate |
2021 |
url |
https://pure.au.dk/portal/da/publications/scanarraya-broadband-seismological-experiment-in-the-baltic-shield(df3945c0-5c71-4d76-b0df-8cc9fea962c9).html https://doi.org/10.1785/0220210015 http://www.scopus.com/inward/record.url?scp=85114616023&partnerID=8YFLogxK |
genre |
North Cape |
genre_facet |
North Cape |
op_source |
Thybo , H , Bulut , N , Grund , M , Mauerberger , A , Makushkina , A , Artemieva , I M , Balling , N , Gudmundsson , O , Maupin , V , Ottemøller , L , Ritter , J & Tilmann , F 2021 , ' Scanarray-a broadband seismological experiment in the baltic shield ' , Seismological Research Letters , vol. 92 , no. 5 , pp. 2811-2823 . https://doi.org/10.1785/0220210015 |
op_relation |
https://pure.au.dk/portal/da/publications/scanarraya-broadband-seismological-experiment-in-the-baltic-shield(df3945c0-5c71-4d76-b0df-8cc9fea962c9).html |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1785/0220210015 |
container_title |
Seismological Research Letters |
container_volume |
92 |
container_issue |
5 |
container_start_page |
2811 |
op_container_end_page |
2823 |
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1786831565314064384 |