气候变化领域集成服务门户(CCPortal): Holocene paleomagnetic secular variation (PSV) near 80° N; Northwest Spitsbergen; Svalbard: Implications for evaluating High Arctic sediment chronologies

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DOI	10.1016/j.quascirev.2019.03.003
	Holocene paleomagnetic secular variation (PSV) near 80° N; Northwest Spitsbergen; Svalbard: Implications for evaluating High Arctic sediment chronologies
	Ólafsdóttir S.; Reilly B.T.; Bakke J.; Stoner J.S.; Gjerde M.; van der Bilt W.G.M.
发表日期	2019
ISSN	0277-3791
起始页码	90
结束页码	102
卷号	210
英文摘要	We present a paleomagnetic study of two Holocene lake sediment sequences from Northwest Spitsbergen on Svalbard, Norway. Core HAP-212 from Lake Hajeren preserves a rare combination of a well-defined Characteristic Remanent Magnetization (ChRM) and robust age control defined by 21 terrestrial macrofossil-derived radiocarbon dates—providing a unique opportunity to assess the stratigraphic potential of High Arctic Holocene paleomagnetic secular variation (PSV) close to 80° N. Core AMP-112 from Hakluytvatnet, which is also well dated, is a poor magnetic recorder and cannot be used for geomagnetic reconstruction. Comparison of the HAP-212 PSV record with poorly dated regional records show similar directional features, suggesting that PSV can be used for chronological synchronization. Comparison of the HAP-212 PSV with well dated records ∼1800 km to the southwest and southeast show that these records are in-phase at millennial timescales, within dating and magnetic uncertainties, indicating that a consistent geomagnetic signal is recorded at these temporal and spatial scales. These findings support the notion that PSV, when optimally recorded, can be used to import chronologies from lower latitudes to the High Arctic, where low organic content, hard water effects, lack of datable material, and other difficulties often preclude more conventional radiocarbon dating. © 2019 Elsevier Ltd
英文关键词	Chronology; High Arctic; Holocene; Lake sediments; Paleomagnetic secular variation; Paleomagnetism; Radiocarbon; Svalbard
语种	英语
scopus关键词	Geomagnetism; Lakes; Stratigraphy; Chronology; High arctic; Holocenes; Lake sediments; Paleomagnetic secular variations; Paleomagnetism; Radiocarbon; Svalbard; Sediments; chronology; comparative study; geomagnetic field; geomagnetism; Holocene; lacustrine deposit; paleomagnetism; radiocarbon dating; secular variation; sedimentary sequence; timescale; Arctic; Arctic; Spitsbergen; Svalbard; Svalbard and Jan Mayen
来源期刊	Quaternary Science Reviews
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/151982
作者单位	Department of Earth Science and Bjerknes Centre for Climate Research, University of Bergen, Norway; College of Earth, Ocean and Atmospheric Sciences, Oregon State University, Corvallis, OR, United States; Department of Environmental Sciences, Western Norway University of Applied Sciences, Norway
推荐引用方式 GB/T 7714	Ólafsdóttir S.,Reilly B.T.,Bakke J.,et al. Holocene paleomagnetic secular variation (PSV) near 80° N; Northwest Spitsbergen; Svalbard: Implications for evaluating High Arctic sediment chronologies[J],2019,210.
APA	Ólafsdóttir S.,Reilly B.T.,Bakke J.,Stoner J.S.,Gjerde M.,&van der Bilt W.G.M..(2019).Holocene paleomagnetic secular variation (PSV) near 80° N; Northwest Spitsbergen; Svalbard: Implications for evaluating High Arctic sediment chronologies.Quaternary Science Reviews,210.
MLA	Ólafsdóttir S.,et al."Holocene paleomagnetic secular variation (PSV) near 80° N; Northwest Spitsbergen; Svalbard: Implications for evaluating High Arctic sediment chronologies".Quaternary Science Reviews 210(2019).