气候变化领域集成服务门户(CCPortal): Archaeomagnetic results from Cambodia in Southeast Asia: Evidence for possible low-latitude flux expulsion

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DOI	10.1073/pnas.2022490118
	Archaeomagnetic results from Cambodia in Southeast Asia: Evidence for possible low-latitude flux expulsion
	Cai S.; Doctor R.; Tauxe L.; Hendrickson M.; Hua Q.; Leroy S.; Phon K.
发表日期	2021
ISSN	00278424
卷号	118 期号:11
英文摘要	Extensive spatial and temporal distribution of high-quality data are essential for understanding regional and global behaviors of the geomagnetic field. We carried out chronological and archaeomagnetic studies at the Angkor-era iron-smelting site of Tonle Bak in Cambodia in Southeast Asia, an area with no data available to date. We recovered high-fidelity full-vector geomagnetic information from the 11th to 14th century for this region, which fill gaps in the global distribution of data and will significantly improve the global models. These results reveal a sharp directional change of the geomagnetic field between 1200 and 1300 CE, accompanied by an intensity dip between 1100 and 1300 CE. The fast geomagnetic variation recorded by our data provides evidence for the possible existence of low-latitude flux expulsion. Related discussions in this paper will inspire a new focus on detailed geomagnetic research in low-latitude areas around the equator, and exploration of related dynamic processes. © 2021 National Academy of Sciences. All rights reserved.
英文关键词	Archaeology; Archaeomagnetism; Geomagnetic field behavior
语种	英语
scopus关键词	archeology; article; Cambodia; latitude
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/180289
作者单位	State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China; Scripps Institution of Oceanography, University of California San Diego, San Diego, CA 92093, United States; Department of Earth and Environmental Sciences, University of Minnesota, Minneapolis, MN 55455, United States; Department of Anthropology, University of Illinois at Chicago, Chicago, IL 60607, United States; Australian Nuclear Science and Technology Organisation, Kirrawee DCNSW 2232, Australia; Laboratoire Archéomatériaux et Prévision de l'Altération, Institut de Recherche sur les Archéomatériaux, Nanosciences et Innovation pour les Matériaux la Biomédecine et l'énergie, Commissariat à l'énergie atomique, CNRS, CEA Saclay, Université Paris-Saclay, Gif-sur-Yvette, 91191, France; Institute of Humanities and Social Sciences, Royal Academy of Cambodia, Phnom Penh, 12000, Cambodia
推荐引用方式 GB/T 7714	Cai S.,Doctor R.,Tauxe L.,et al. Archaeomagnetic results from Cambodia in Southeast Asia: Evidence for possible low-latitude flux expulsion[J],2021,118(11).
APA	Cai S..,Doctor R..,Tauxe L..,Hendrickson M..,Hua Q..,...&Phon K..(2021).Archaeomagnetic results from Cambodia in Southeast Asia: Evidence for possible low-latitude flux expulsion.Proceedings of the National Academy of Sciences of the United States of America,118(11).
MLA	Cai S.,et al."Archaeomagnetic results from Cambodia in Southeast Asia: Evidence for possible low-latitude flux expulsion".Proceedings of the National Academy of Sciences of the United States of America 118.11(2021).