Archeomagnetic secular variation from Korea: Implication for the occurrence of global archeomagnetic jerks

Yongjae Yu; Seong Jae Doh; Wonnyon Kim; Yong Hee Park; Hong Jong Lee; Youngjin Yim; Sang Gi Cho; Youn Suk Oh; Dong Sung Lee; Ho Hyeong Lee; Min Gyu Gong; Dae Hwan Hyun; Jae Kyoung Cho; Yeun Sik Sin; Moon Sun Do

doi:10.1016/j.epsl.2010.03.024

Archeomagnetic secular variation from Korea: Implication for the occurrence of global archeomagnetic jerks

Yongjae Yu, Seong Jae Doh, Wonnyon Kim, Yong Hee Park, Hong Jong Lee, Youngjin Yim, Sang Gi Cho, Youn Suk Oh, Dong Sung Lee, Ho Hyeong Lee, Min Gyu Gong, Dae Hwan Hyun, Jae Kyoung Cho, Yeun Sik Sin, Moon Sun Do

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

An archeomagnetic paleosecular variation (PSV) was first defined in Korea using baked materials collected from 26 kilns or hearths with ages ranging from ~ 1100 BC to AD 1790. Variations of geomagnetic declination and inclination from the Korean peninsula are distinctively different from the prediction of a global model (CALS3k.3 or CALS7K.2) for the past 3500. yr. In particular, a distinctive offset in magnitude and phase is noticeable between the observations and predictions at ~ 745 BC, ~ AD 300, and ~ AD 1400-1700. A bi-plot of magnetic declination versus inclination displays three cusps at the corresponding time intervals. These time intervals are nearly identical to or at least overlap with three of the four potential archeomagnetic jerks suggested by Gallet et al. (2003) from the European archeomagnetic data. A comparison of the PSV curves for neighboring countries/regions revealed that European archeomagnetic jerks at ~ 800 BC, ~ AD 200, ~ AD 800, and ~ AD 1400 were all preserved in East Asia, suggesting that the archeomagnetic jerks were global (or at least northern hemispheric) features.

Original language	English
Pages (from-to)	173-181
Number of pages	9
Journal	Earth and Planetary Science Letters
Volume	294
Issue number	1-2
DOIs	https://doi.org/10.1016/j.epsl.2010.03.024
Publication status	Published - 2010 May

Bibliographical note

Funding Information:
This work was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD, KRF-2007-313-C00756 ). A. Hayashida kindly provided the paleosecular variation (PSV) record from Lake Biwa, Japan. We appreciate the efforts of two anonymous referees whose constructive comments led to significant improvements in the manuscript.

Keywords

Archeomagnetic jerk
Archeomagnetism
Geomagnetic field
Geomagnetic jerk
Secular variation

ASJC Scopus subject areas

Geophysics
Geochemistry and Petrology
Earth and Planetary Sciences (miscellaneous)
Space and Planetary Science

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10.1016/j.epsl.2010.03.024

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Yu, Y., Doh, S. J., Kim, W., Park, Y. H., Lee, H. J., Yim, Y., Cho, S. G., Oh, Y. S., Lee, D. S., Lee, H. H., Gong, M. G., Hyun, D. H., Cho, J. K., Sin, Y. S., & Do, M. S. (2010). Archeomagnetic secular variation from Korea: Implication for the occurrence of global archeomagnetic jerks. Earth and Planetary Science Letters, 294(1-2), 173-181. https://doi.org/10.1016/j.epsl.2010.03.024

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title = "Archeomagnetic secular variation from Korea: Implication for the occurrence of global archeomagnetic jerks",

abstract = "An archeomagnetic paleosecular variation (PSV) was first defined in Korea using baked materials collected from 26 kilns or hearths with ages ranging from ~ 1100 BC to AD 1790. Variations of geomagnetic declination and inclination from the Korean peninsula are distinctively different from the prediction of a global model (CALS3k.3 or CALS7K.2) for the past 3500. yr. In particular, a distinctive offset in magnitude and phase is noticeable between the observations and predictions at ~ 745 BC, ~ AD 300, and ~ AD 1400-1700. A bi-plot of magnetic declination versus inclination displays three cusps at the corresponding time intervals. These time intervals are nearly identical to or at least overlap with three of the four potential archeomagnetic jerks suggested by Gallet et al. (2003) from the European archeomagnetic data. A comparison of the PSV curves for neighboring countries/regions revealed that European archeomagnetic jerks at ~ 800 BC, ~ AD 200, ~ AD 800, and ~ AD 1400 were all preserved in East Asia, suggesting that the archeomagnetic jerks were global (or at least northern hemispheric) features.",

keywords = "Archeomagnetic jerk, Archeomagnetism, Geomagnetic field, Geomagnetic jerk, Secular variation",

author = "Yongjae Yu and Doh, {Seong Jae} and Wonnyon Kim and Park, {Yong Hee} and Lee, {Hong Jong} and Youngjin Yim and Cho, {Sang Gi} and Oh, {Youn Suk} and Lee, {Dong Sung} and Lee, {Ho Hyeong} and Gong, {Min Gyu} and Hyun, {Dae Hwan} and Cho, {Jae Kyoung} and Sin, {Yeun Sik} and Do, {Moon Sun}",

note = "Funding Information: This work was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD, KRF-2007-313-C00756 ). A. Hayashida kindly provided the paleosecular variation (PSV) record from Lake Biwa, Japan. We appreciate the efforts of two anonymous referees whose constructive comments led to significant improvements in the manuscript. ",

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AU - Kim, Wonnyon

AU - Park, Yong Hee

AU - Lee, Hong Jong

AU - Yim, Youngjin

AU - Cho, Sang Gi

AU - Oh, Youn Suk

AU - Lee, Dong Sung

AU - Lee, Ho Hyeong

AU - Gong, Min Gyu

AU - Hyun, Dae Hwan

AU - Cho, Jae Kyoung

AU - Sin, Yeun Sik

AU - Do, Moon Sun

N1 - Funding Information: This work was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD, KRF-2007-313-C00756 ). A. Hayashida kindly provided the paleosecular variation (PSV) record from Lake Biwa, Japan. We appreciate the efforts of two anonymous referees whose constructive comments led to significant improvements in the manuscript.

PY - 2010/5

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N2 - An archeomagnetic paleosecular variation (PSV) was first defined in Korea using baked materials collected from 26 kilns or hearths with ages ranging from ~ 1100 BC to AD 1790. Variations of geomagnetic declination and inclination from the Korean peninsula are distinctively different from the prediction of a global model (CALS3k.3 or CALS7K.2) for the past 3500. yr. In particular, a distinctive offset in magnitude and phase is noticeable between the observations and predictions at ~ 745 BC, ~ AD 300, and ~ AD 1400-1700. A bi-plot of magnetic declination versus inclination displays three cusps at the corresponding time intervals. These time intervals are nearly identical to or at least overlap with three of the four potential archeomagnetic jerks suggested by Gallet et al. (2003) from the European archeomagnetic data. A comparison of the PSV curves for neighboring countries/regions revealed that European archeomagnetic jerks at ~ 800 BC, ~ AD 200, ~ AD 800, and ~ AD 1400 were all preserved in East Asia, suggesting that the archeomagnetic jerks were global (or at least northern hemispheric) features.

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KW - Geomagnetic field

KW - Geomagnetic jerk

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Archeomagnetic secular variation from Korea: Implication for the occurrence of global archeomagnetic jerks

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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