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Atmospheric mercury inputs in montane soils increase with elevation: Evidence from mercury isotope signatures
Hua Zhang; Run-sheng Yin; Xin-bin Feng; Jonas Sommar; Christopher W. N. Anderson; Atindra Sapkota; Xue-wu Fu; Thorjørn Larssen
2013
Source PublicationScientific Reports
Pages1-8
Abstract

The influence of topography on the biogeochemical cycle of mercury (Hg) has received relatively little attention. Here, we report the measurement of Hg species and their corresponding isotope composition in soil sampled along an elevational gradient transect on Mt. Leigong in subtropical southwestern China. The data are used to explain orography-related effects on the fate and behaviour of Hg species in montane environments. The total- and methyl-Hg concentrations in topsoil samples show a positive correlation with elevation. However, a negative elevation dependence was observed in the mass-dependent fractionation (MDF) and mass-independent fractionation (MIF) signatures of Hg isotopes. Both a MIF (Δ199Hg) binary mixing approach and the traditional inert element method indicate that the content of Hg derived from the atmosphere distinctly increases with altitude.

Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/11026
Collection环境地球化学国家重点实验室
Affiliation1.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550002, China
2.Norwegian Institute for Water Research (NIVA), Gaustadalle´en 21, 0349 Oslo, Norway
3.State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550002, China
4.Soil and Earth Sciences Group, Institute of Agriculture and Environment, Massey University, Palmerston North, New Zealand
Recommended Citation
GB/T 7714
Hua Zhang,Run-sheng Yin,Xin-bin Feng,et al. Atmospheric mercury inputs in montane soils increase with elevation: Evidence from mercury isotope signatures[J]. Scientific Reports,2013:1-8.
APA Hua Zhang.,Run-sheng Yin.,Xin-bin Feng.,Jonas Sommar.,Christopher W. N. Anderson.,...&Thorjørn Larssen.(2013).Atmospheric mercury inputs in montane soils increase with elevation: Evidence from mercury isotope signatures.Scientific Reports,1-8.
MLA Hua Zhang,et al."Atmospheric mercury inputs in montane soils increase with elevation: Evidence from mercury isotope signatures".Scientific Reports (2013):1-8.
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