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DOI	10.1126/science.281.5383.1635
	History of atmospheric lead deposition since 12,370 14C yr BP from a peat bog, jura mountains, Switzerland
	Shotyk W.; Weiss D.; Appleby P.G.; Cheburkin A.K.; Frei R.; Gloor M.; Kramers J.D.; Reese S.; Van Der Knaap W.O.
发表日期	1998
ISSN	0036-8075
起始页码	1635
结束页码	1640
卷号	281 期号:5383
英文摘要	A continuous record of atmospheric lead since 12,370 carbon-14 years before the present (14C yr BP) is preserved in a Swiss peat bog. Enhanced fluxes caused by climate changes reached their maxima 10,590 14C yr BP (Younger Dryas) and 8230 14 C yr BP. Soil erosion caused by forest clearing and agricultural tillage increased lead deposition after 5320 14C yr BP. Increasing lead/scandium and decreasing lead-206/lead-207 beginning 3000 14C yr BP indicate the beginning of lead pollution from mining and smelting, and anthropogenic sources have dominated lead emissions ever since. The greatest lead flux (15.7 milligrams per square meter per year in A.D. 1979) was 1570 times the natural, background value (0.01 milligram per square meter per year from 8030 to 5320 14C yr BP).
英文关键词	lead; atmospheric deposition; lead; peatland; Quaternary; air pollution; article; climate; forestry; lead poisoning; mining; priority journal; switzerland; Switzerland
语种	英语
来源期刊	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/245478
作者单位	Geological Institute, University of Berne, Baltzerstrasse 1, CH-3012 Berne, Switzerland; Environ. Radiometric Research Centre, Department of Mathematical Sciences, University of Liverpool, Post Office Box 147, Liverpool, L69 3BX, United Kingdom; Geological Institute, Ukrainian Academy of Sciences, Gonhkar Street 55b, Kiev 54, 252054, Ukraine; Geologisk Institut, Kobenhavns Universitet, Oster Voldgade 10, DK-1350 Copenhagen, Denmark; Swiss Fed. Res. Inst. Forest., S., Zürcherstrasse 111, CH-8903 Birmensdorf, Switzerland; Isotope Geology Group, Mineralogical-Petrographical Inst., University of Berne, Erlachstrasse 9a, CH-3012 Berne, Switzerland; Radiocarbon Laboratory, Physics Institute, University of Berne, Sidlerstrasse 5, CH-3012 Berne, Switzerland; Institute of Geobotany, University of Berne, Altenbergrain 21, CH-3013 Berne, Switzerland; EMMA Analytical, Elmvale, Ont. L0L 1P0, Canada
推荐引用方式 GB/T 7714	Shotyk W.,Weiss D.,Appleby P.G.,et al. History of atmospheric lead deposition since 12,370 14C yr BP from a peat bog, jura mountains, Switzerland[J],1998,281(5383).
APA	Shotyk W..,Weiss D..,Appleby P.G..,Cheburkin A.K..,Frei R..,...&Van Der Knaap W.O..(1998).History of atmospheric lead deposition since 12,370 14C yr BP from a peat bog, jura mountains, Switzerland.Science,281(5383).
MLA	Shotyk W.,et al."History of atmospheric lead deposition since 12,370 14C yr BP from a peat bog, jura mountains, Switzerland".Science 281.5383(1998).