The wandering pole: tracing the time-averaged paleomagnetic pole in the face of secular variation ...
<!--!introduction!--> Paleomagnetism serves as the principal tool for the quantitative reconstruction of Earth’s paleogeography, thereby providing key input for geodynamics, paleoclimatology and paleobiology. Paleomagnetic data have been used for >60 years to quantify the apparent motion of...
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GFZ German Research Centre for Geosciences
2023
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Online Access: | https://dx.doi.org/10.57757/iugg23-2015 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018831 |
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ftdatacite:10.57757/iugg23-2015 2023-07-23T04:19:20+02:00 The wandering pole: tracing the time-averaged paleomagnetic pole in the face of secular variation ... Vaes, Bram 2023 https://dx.doi.org/10.57757/iugg23-2015 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018831 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/iugg23-2015 2023-07-03T18:40:02Z <!--!introduction!--> Paleomagnetism serves as the principal tool for the quantitative reconstruction of Earth’s paleogeography, thereby providing key input for geodynamics, paleoclimatology and paleobiology. Paleomagnetic data have been used for >60 years to quantify the apparent motion of the time-averaged paleomagnetic pole relative to a fixed continent or tectonic plate through time. By assuming that the time-averaged geomagnetic pole coincides with the Earth’s spin axis, this polar motion can be translated into the motion of a continent or plate relative to the geographic pole. However, obtaining a reliable estimate of the time-averaged pole position requires the averaging of the short-term, secular variation of Earth’s magnetic field. Here, I show that coeval paleomagnetic poles derived from datasets underrepresenting paleosecular variation or based on a smaller number of paleomagnetic sites are more dispersed and often biased compared to poles that adequately sample secular variation. This ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Conference Object Geomagnetic Pole DataCite Metadata Store (German National Library of Science and Technology) |
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Open Polar |
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DataCite Metadata Store (German National Library of Science and Technology) |
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ftdatacite |
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description |
<!--!introduction!--> Paleomagnetism serves as the principal tool for the quantitative reconstruction of Earth’s paleogeography, thereby providing key input for geodynamics, paleoclimatology and paleobiology. Paleomagnetic data have been used for >60 years to quantify the apparent motion of the time-averaged paleomagnetic pole relative to a fixed continent or tectonic plate through time. By assuming that the time-averaged geomagnetic pole coincides with the Earth’s spin axis, this polar motion can be translated into the motion of a continent or plate relative to the geographic pole. However, obtaining a reliable estimate of the time-averaged pole position requires the averaging of the short-term, secular variation of Earth’s magnetic field. Here, I show that coeval paleomagnetic poles derived from datasets underrepresenting paleosecular variation or based on a smaller number of paleomagnetic sites are more dispersed and often biased compared to poles that adequately sample secular variation. This ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Conference Object |
author |
Vaes, Bram |
spellingShingle |
Vaes, Bram The wandering pole: tracing the time-averaged paleomagnetic pole in the face of secular variation ... |
author_facet |
Vaes, Bram |
author_sort |
Vaes, Bram |
title |
The wandering pole: tracing the time-averaged paleomagnetic pole in the face of secular variation ... |
title_short |
The wandering pole: tracing the time-averaged paleomagnetic pole in the face of secular variation ... |
title_full |
The wandering pole: tracing the time-averaged paleomagnetic pole in the face of secular variation ... |
title_fullStr |
The wandering pole: tracing the time-averaged paleomagnetic pole in the face of secular variation ... |
title_full_unstemmed |
The wandering pole: tracing the time-averaged paleomagnetic pole in the face of secular variation ... |
title_sort |
wandering pole: tracing the time-averaged paleomagnetic pole in the face of secular variation ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-2015 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018831 |
genre |
Geomagnetic Pole |
genre_facet |
Geomagnetic Pole |
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/iugg23-2015 |
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1772182323828097024 |