The camp century 10Be record: Implications for long-term variations of the geomagnetic dipole moment
10Be concentrations measured in ice samples from Camp Century, Greenland, show short term variations which in general correspond to the 100–200 year “wiggles” in the 14C tree ring record. There is, however, no evidence for a long term variation over the last 5000 years. This constancy is in contrast...
Published in: | Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms |
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ftunivbern:oai:boris.unibe.ch:158474 2023-08-20T04:06:53+02:00 The camp century 10Be record: Implications for long-term variations of the geomagnetic dipole moment Beer, Jürg Andree, Michael Oeschger, Hans Siegenthaler, Ulrich Bonani, G. Hofmann, H. Morenzoni, E. Nessi, E. Suter, M. Wölfli, W. Finkel, R. Langway Jr., C. 1984 https://boris.unibe.ch/158474/ eng eng Elsevier https://boris.unibe.ch/158474/ info:eu-repo/semantics/restrictedAccess Beer, Jürg; Andree, Michael; Oeschger, Hans; Siegenthaler, Ulrich; Bonani, G.; Hofmann, H.; Morenzoni, E.; Nessi, E.; Suter, M.; Wölfli, W.; Finkel, R.; Langway Jr., C. (1984). The camp century 10Be record: Implications for long-term variations of the geomagnetic dipole moment. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 5(2), pp. 380-384. Elsevier 10.1016/0168-583X(84)90545-7 <http://dx.doi.org/10.1016/0168-583X(84)90545-7> 530 Physics info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion PeerReviewed 1984 ftunivbern https://doi.org/10.1016/0168-583X(84)90545-7 2023-07-31T22:08:11Z 10Be concentrations measured in ice samples from Camp Century, Greenland, show short term variations which in general correspond to the 100–200 year “wiggles” in the 14C tree ring record. There is, however, no evidence for a long term variation over the last 5000 years. This constancy is in contrast to the approximately sinusoidal variation of the atmospheric 14C concentration which has generally been attributed to a changing geomagnetic dipole moment. This discrepancy implies that the 14C trend might stem from other causes such as changes of oceanic circulation processes or from higher production rates during the Wisconsin rather than from variation in the geomagnetic field. Article in Journal/Newspaper Greenland BORIS (Bern Open Repository and Information System, University of Bern) Greenland Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 5 2 380 384 |
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Open Polar |
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BORIS (Bern Open Repository and Information System, University of Bern) |
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ftunivbern |
language |
English |
topic |
530 Physics |
spellingShingle |
530 Physics Beer, Jürg Andree, Michael Oeschger, Hans Siegenthaler, Ulrich Bonani, G. Hofmann, H. Morenzoni, E. Nessi, E. Suter, M. Wölfli, W. Finkel, R. Langway Jr., C. The camp century 10Be record: Implications for long-term variations of the geomagnetic dipole moment |
topic_facet |
530 Physics |
description |
10Be concentrations measured in ice samples from Camp Century, Greenland, show short term variations which in general correspond to the 100–200 year “wiggles” in the 14C tree ring record. There is, however, no evidence for a long term variation over the last 5000 years. This constancy is in contrast to the approximately sinusoidal variation of the atmospheric 14C concentration which has generally been attributed to a changing geomagnetic dipole moment. This discrepancy implies that the 14C trend might stem from other causes such as changes of oceanic circulation processes or from higher production rates during the Wisconsin rather than from variation in the geomagnetic field. |
format |
Article in Journal/Newspaper |
author |
Beer, Jürg Andree, Michael Oeschger, Hans Siegenthaler, Ulrich Bonani, G. Hofmann, H. Morenzoni, E. Nessi, E. Suter, M. Wölfli, W. Finkel, R. Langway Jr., C. |
author_facet |
Beer, Jürg Andree, Michael Oeschger, Hans Siegenthaler, Ulrich Bonani, G. Hofmann, H. Morenzoni, E. Nessi, E. Suter, M. Wölfli, W. Finkel, R. Langway Jr., C. |
author_sort |
Beer, Jürg |
title |
The camp century 10Be record: Implications for long-term variations of the geomagnetic dipole moment |
title_short |
The camp century 10Be record: Implications for long-term variations of the geomagnetic dipole moment |
title_full |
The camp century 10Be record: Implications for long-term variations of the geomagnetic dipole moment |
title_fullStr |
The camp century 10Be record: Implications for long-term variations of the geomagnetic dipole moment |
title_full_unstemmed |
The camp century 10Be record: Implications for long-term variations of the geomagnetic dipole moment |
title_sort |
camp century 10be record: implications for long-term variations of the geomagnetic dipole moment |
publisher |
Elsevier |
publishDate |
1984 |
url |
https://boris.unibe.ch/158474/ |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland |
genre_facet |
Greenland |
op_source |
Beer, Jürg; Andree, Michael; Oeschger, Hans; Siegenthaler, Ulrich; Bonani, G.; Hofmann, H.; Morenzoni, E.; Nessi, E.; Suter, M.; Wölfli, W.; Finkel, R.; Langway Jr., C. (1984). The camp century 10Be record: Implications for long-term variations of the geomagnetic dipole moment. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 5(2), pp. 380-384. Elsevier 10.1016/0168-583X(84)90545-7 <http://dx.doi.org/10.1016/0168-583X(84)90545-7> |
op_relation |
https://boris.unibe.ch/158474/ |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1016/0168-583X(84)90545-7 |
container_title |
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms |
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5 |
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2 |
container_start_page |
380 |
op_container_end_page |
384 |
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