Isotopic analysis of nickel, copper, and zinc in various freshwater samples for source identification

Takano, Shotaro; Tsuchiya, Mao; Imai, Shoji; Yamamoto, Yuhei; Fukami, Yusuke; Suzuki, Katsuhiko; Sohrin, Yoshiki

doi:10.2343/geochemj.2.0627

Cited by 14 publications

(17 citation statements)

References 40 publications

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“…5), suggesting that δ 60 Ni supplied from continental sources is substantially lower than that in seawater. Published data for δ 60 Ni have a mean value of +0.80‰ for river water (Cameron and Vance, 2014), +0.33‰ for atmospheric aerosols (Takano et al, 2020), and +0.18‰ for rainwater (Takano et al, 2021). Ciscato et al (2018) estimate that the δ value of total Ni supplied from rivers and the atmosphere to the ocean is +0.79‰.…”

Section: Nickelmentioning

confidence: 99%

“…Detailed conditions for measuring the concentrations and isotope ratios of Ni, Cu, and Zn are described by Liao et al (2020) and Takano et al (2021). The isotope ratios of Ni and Cu were measured using a NEPTUNE Plus MC-ICP-MS under a high-resolution mode for Ni, and Zn, and under a medium-resolution mode for Cu.…”

Section: Sample Analysismentioning

confidence: 99%

“…This atmospheric Ni may be supplied to rivers and coastal oceans through wet and dry deposition. Based on the rainwater samples collected in western Japan, the main source of dissolved Ni is determined to be crude oil combustion, and the δ 60 Ni values range from − 0.39 to +0.72‰ (Takano et al, 2021), which is lighter than the dissolved δ 60 Ni in the middle reaches of the Changjiang River (Cameron and Vance, 2014).…”

Section: Nickelmentioning

confidence: 99%

“…Polluted atmospheric aerosols are enriched in Cu, with a mean δ 65 Cu value of +0.2‰ in the South China Sea (Takano et al, 2020), +0.4‰ in São Paulo (Souto-Oliveira et al, 2018, and +0.3‰ in London (Dong et al, 2017). Rainwater in western Japan contains anthropogenic materials and has a mean δ 65 Cu of +0.2‰ (Takano et al, 2021). The δ 65 Cu varies from +0.2‰ to − 0.7‰ downstream of the Garonne River, which is affected by anthropogenic activities (Petit et al, 2013).…”

Section: Coppermentioning

confidence: 99%

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Isotopic evolution of dissolved Ni, Cu, and Zn along the Kuroshio through the East China Sea

Takano

Liao²,

Ho³

et al. 2022

Marine Chemistry

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Section: Nickelmentioning

confidence: 99%

Section: Sample Analysismentioning

confidence: 99%

Section: Nickelmentioning

confidence: 99%

Section: Coppermentioning

confidence: 99%

See 2 more Smart Citations

Isotopic evolution of dissolved Ni, Cu, and Zn along the Kuroshio through the East China Sea

Takano

Liao²,

Ho³

et al. 2022

Marine Chemistry

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“…Other sources such as gasoline (− 0.50‰ to − 0.23‰) (Dong et al 2017;Gioia et al 2008;Souto-Oliveira et al 2019;Thapalia et al 2010) and atmospheric industrial emissions (− 0.60 ‰ to + 0.15 ‰) (Ochoa Gonzalez et al 2016;Souto-Oliveira et al 2018) could be of minor importance as they are more depleted in 66 Zn. Low δ 66 Zn values in rainwater in the Uji area, south of Lake Biwa, were attributed to road dust and Zn emitted via hightemperature processes such as smelters and fire power plants (Takano et al 2021).…”

Section: Zinc Stable Isotopes As Tracer For Zn Contaminationmentioning

confidence: 99%

Metal contamination in a sediment core from Osaka Bay during the last 400 years

Nitzsche

Yoshimura

Ishikawa

et al. 2022

Prog Earth Planet Sci

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Osaka Bay adjacent to the Kyoto–Osaka–Kobe metropolitan area was affected by severe metal pollution during the twentieth century; yet little is known about the trace metal sources and pre-industrial human activities. We have determined the elemental concentrations and zinc stable isotope ratios (δ66Zn) in bulk sediments and the trace metal concentrations in chemical fractions of a 9-m-long sediment core from Osaka Bay. Our goals were (1) to reconstruct the historical trace metal contamination, and (2) to identify anthropogenic Zn sources and the solid phases of anthropogenic trace metals. The core provided a continuous environmental record of the last 2300 years based on radiocarbon dating of molluscan shells. Copper, Zn, and Pb showed an initial enrichment from the 1670s AD, which could be caused by human activities due to an increasing population. In agreement with previous findings, the trace metal concentrations slightly increased from the 1870s, strongly increased from the beginning of the twentieth century, and peaked around 1960 before environmental pollution control laws were enacted. Increasing trace metal concentrations in the acid-labile and reducible fractions obtained by the Community Bureau of Reference (BCR) sequential extraction procedure toward the surface indicate carbonates and Mn oxyhydroxides were the primary fractions for anthropogenic trace metals. The δ66Zn values (1) were constant until the 1940s, suggesting that the average δ66Zn of industrial sources was indistinguishable from that value of the natural background, (2) showed a slight decrease from the 1950s and remained constant until the present, and (3) fell in a binary mixing process between a lithogenic (~ + 0.27‰) and an anthropogenic endmember (~ + 0.17‰), the latter likely representing a mixture of various Zn sources such as road dust, tire wear, industrial effluents, and effluents from wastewater treatment plants. We conclude the combination of Zn stable isotopes together with chemical fractions obtained by the BCR method represents a promising approach to assess the trace metal sources and their potential mobility in sediment cores from anthropogenically affected coastal areas.

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Trace metal geochemical and Zn stable isotope data as tracers for anthropogenic metal contributions in a sediment core from Lake Biwa, Japan

Nitzsche

Yoshimura

Ishikawa

et al. 2021

Applied Geochemistry

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Isotopic analysis of nickel, copper, and zinc in various freshwater samples for source identification

Cited by 14 publications

References 40 publications

Isotopic evolution of dissolved Ni, Cu, and Zn along the Kuroshio through the East China Sea

Isotopic evolution of dissolved Ni, Cu, and Zn along the Kuroshio through the East China Sea

Metal contamination in a sediment core from Osaka Bay during the last 400 years

Trace metal geochemical and Zn stable isotope data as tracers for anthropogenic metal contributions in a sediment core from Lake Biwa, Japan

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