GEOTRACES IC1 (BATS) contamination-prone trace element isotopes Cd, Fe, Pb, Zn, Cu, and Mo intercalibration

被引：101

作者：

Boyle, Edward A. ^{[1
]}

John, Seth ^{[2
,3
]}

Abouchami, Wafa ^{[4
]}

Adkins, Jess F. ^{[2
]}

Echegoyen-Sanz, Yolanda ^{[1
]}

Ellwood, Michael ^{[13
]}

Flegal, A. Russell ^{[5
]}

Fornace, Kyrstin ^{[1
]}

Gallon, Celine ^{[5
]}

Galer, Steve ^{[4
]}

Gault-Ringold, Melanie ^{[6
]}

Lacan, Francois ^{[7
]}

Radic, Amandine ^{[7
]}

Rehkamper, Mark ^{[8
]}

Rouxel, Olivier ^{[9
,10
]}

Sohrin, Yoshiki ^{[11
]}

Stirling, Claudine ^{[6
]}

Thompson, Claire ^{[13
]}

Vance, Derek ^{[12
]}

Xue, Zichen ^{[8
]}

Zhao, Ye ^{[12
]}

机构：

[1] MIT, Cambridge, MA 02139 USA

[2] CALTECH, Div Geol & Planetary Sci, Pasadena, CA 91125 USA

[3] Univ S Carolina, Dept Earth & Ocean Sci, Columbia, SC 29208 USA

[4] Max Planck Inst Chem, D-55020 Mainz, Germany

[5] Univ Calif Santa Cruz, Inst Marine Sci, Santa Cruz, CA 95064 USA

[6] Univ Otago, Dept Chem, Dunedin 9054, New Zealand

[7] Univ Toulouse, CNES, CNRS, Lab Etud Geophys & Oceanog Spatiales,IRD, F-31400 Toulouse, France

[8] Univ London Imperial Coll Sci Technol & Med, Dept Earth Sci & Engn, London SW7 2AZ, England

[9] Woods Hole Oceanog Inst, Dept Marine Chem & Geochem, Woods Hole, MA 02543 USA

[10] IFREMER, Ctr Brest, F-29280 Plouzane, France

[11] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan

[12] Univ Bristol, Sch Earth Sci, Bristol BS8 1RJ, Avon, England

[13] Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT 0200, Australia

来源：

LIMNOLOGY AND OCEANOGRAPHY-METHODS | 2012年 / 10卷

基金：

美国国家科学基金会;

关键词：

MASS DISCRIMINATION CORRECTION; SPIKE MC-ICPMS; SOURCE SIGNATURES; ATMOSPHERIC LEAD; DISSOLVED IRON; SEAWATER; CADMIUM; FRACTIONATION; OCEAN; SPECTROMETRY;

D O I：

10.4319/lom.2012.10.653

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We report data on the isotopic composition of cadmium, copper, iron, lead, zinc, and molybdenum at the GEOTRACES IC1 BATS Atlantic intercalibration station. In general, the between lab and within-lab precisions are adequate to resolve global gradients and vertical gradients at this station for Cd, Fe, Pb, and Zn. Cd and Zn isotopes show clear variations in the upper water column and more subtle variations in the deep water; these variations are attributable, in part, to progressive mass fractionation of isotopes by Rayleigh distillation from biogenic uptake and/or adsorption. Fe isotope variability is attributed to heavier crustal dust and hydrothermal sources and light Fe from reducing sediments. Pb isotope variability results from temporal changes in anthropogenic source isotopic compositions and the relative contributions of U. S. and European Pb sources. Cu and Mo isotope variability is more subtle and close to analytical precision. Although the present situation is adequate for proceeding with GEOTRACES, it should be possible to improve the within-lab and between-lab precisions for some of these properties.

引用

页码：653 / 665

页数：13

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