Lithospheric structure beneath the ultra-slow spreading Knipovich ridge using noise reduced OBS P-wave Receiver functions ...
<!--!introduction!--> Ultra-slow spreading ridges are characterized by huge volcanic complexes which are separated by up to 150 km long amagmatic segments. The mechanisms controlling these types of mid-oceanic ridges (MOR) are not yet fully understood. We aim to constrain the crustal and mantl...
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GFZ German Research Centre for Geosciences
2023
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ftdatacite:10.57757/iugg23-1638 2023-07-23T04:19:34+02:00 Lithospheric structure beneath the ultra-slow spreading Knipovich ridge using noise reduced OBS P-wave Receiver functions ... Rein, Theresa Zahra, Zali Frank, Krüger Vera, Schlindwein 2023 https://dx.doi.org/10.57757/iugg23-1638 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017944 unknown GFZ German Research Centre for Geosciences Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Article ConferencePaper Oral 2023 ftdatacite https://doi.org/10.57757/iugg23-1638 2023-07-03T16:18:25Z <!--!introduction!--> Ultra-slow spreading ridges are characterized by huge volcanic complexes which are separated by up to 150 km long amagmatic segments. The mechanisms controlling these types of mid-oceanic ridges (MOR) are not yet fully understood. We aim to constrain the crustal and mantle structure beneath a segment of the Knipovich ridge (Greenland Sea) by using Receiver functions calculated from teleseismic events. Seismic data, recorded on the ocean bottom, are highly contaminated by different noise sources. Results of our noise reduction algorithm based on harmonic-percussive separation (HPS) techniques of selected KNIPAS station data show a significantly reduced noise level on all three seismometer components (below 1 Hz). Improving the SNR on OBS records reveals the superposition of water and sediment reverberations on the crustal structure information, the latter is strongly hindering the structure interpretation. Here, we compare the real data with a set of synthetic Receiver functions ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Conference Object Greenland Greenland Sea DataCite Metadata Store (German National Library of Science and Technology) Greenland Knipovich Ridge ENVELOPE(7.074,7.074,75.712,75.712) |
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DataCite Metadata Store (German National Library of Science and Technology) |
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description |
<!--!introduction!--> Ultra-slow spreading ridges are characterized by huge volcanic complexes which are separated by up to 150 km long amagmatic segments. The mechanisms controlling these types of mid-oceanic ridges (MOR) are not yet fully understood. We aim to constrain the crustal and mantle structure beneath a segment of the Knipovich ridge (Greenland Sea) by using Receiver functions calculated from teleseismic events. Seismic data, recorded on the ocean bottom, are highly contaminated by different noise sources. Results of our noise reduction algorithm based on harmonic-percussive separation (HPS) techniques of selected KNIPAS station data show a significantly reduced noise level on all three seismometer components (below 1 Hz). Improving the SNR on OBS records reveals the superposition of water and sediment reverberations on the crustal structure information, the latter is strongly hindering the structure interpretation. Here, we compare the real data with a set of synthetic Receiver functions ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Conference Object |
author |
Rein, Theresa Zahra, Zali Frank, Krüger Vera, Schlindwein |
spellingShingle |
Rein, Theresa Zahra, Zali Frank, Krüger Vera, Schlindwein Lithospheric structure beneath the ultra-slow spreading Knipovich ridge using noise reduced OBS P-wave Receiver functions ... |
author_facet |
Rein, Theresa Zahra, Zali Frank, Krüger Vera, Schlindwein |
author_sort |
Rein, Theresa |
title |
Lithospheric structure beneath the ultra-slow spreading Knipovich ridge using noise reduced OBS P-wave Receiver functions ... |
title_short |
Lithospheric structure beneath the ultra-slow spreading Knipovich ridge using noise reduced OBS P-wave Receiver functions ... |
title_full |
Lithospheric structure beneath the ultra-slow spreading Knipovich ridge using noise reduced OBS P-wave Receiver functions ... |
title_fullStr |
Lithospheric structure beneath the ultra-slow spreading Knipovich ridge using noise reduced OBS P-wave Receiver functions ... |
title_full_unstemmed |
Lithospheric structure beneath the ultra-slow spreading Knipovich ridge using noise reduced OBS P-wave Receiver functions ... |
title_sort |
lithospheric structure beneath the ultra-slow spreading knipovich ridge using noise reduced obs p-wave receiver functions ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-1638 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017944 |
long_lat |
ENVELOPE(7.074,7.074,75.712,75.712) |
geographic |
Greenland Knipovich Ridge |
geographic_facet |
Greenland Knipovich Ridge |
genre |
Greenland Greenland Sea |
genre_facet |
Greenland Greenland Sea |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.57757/iugg23-1638 |
_version_ |
1772182798838267904 |