globalchange  > 气候变化与战略
DOI: 10.1016/j.earscirev.2020.103111
论文题名:
Mercury stable isotopes for monitoring the effectiveness of the Minamata Convention on Mercury
作者: Kwon S.Y.; Blum J.D.; Yin R.; Tsui M.T.-K.; Yang Y.H.; Choi J.W.
刊名: Earth-Science Reviews
ISSN: 128252
出版年: 2020
卷: 203
语种: 英语
英文关键词: Effectiveness evaluation ; Mercury ; Minamata Convention ; Monitoring ; Policy ; Stable isotope
Scopus关键词: atmospheric deposition ; concentration (composition) ; environmental policy ; fish ; health impact ; isotopic ratio ; mercury (element) ; monitoring ; sediment ; stable isotope
英文摘要: The Minamata Convention on Mercury (MC) includes provisions for a global monitoring program (GMP) and effectiveness evaluation (EE) to provide information on changes in mercury sources in various environmental media. While conventional measurement and modeling techniques have limitations in explaining the changes in mercury concentrations, the measurements of natural abundances of mercury stable isotopes have become powerful tracers for distinguishing between mercury sources and for understanding biogeochemical processes in the environment. Unfortunately, it is uncertain whether mercury isotope ratios can provide globally comparable results on specific mercury sources for the GMP and trend analyses for the EE. We have compiled a dataset from the literature to evaluate large-scale patterns of mercury isotope ratios in various environmental samples and to summarize sample types that can be used for the GMP. Total gaseous mercury, precipitation, foliage, and litter can provide comparable source information regarding atmospheric mercury across a large spatial scale. Interpretation of spatially relevant information using sediment and fish mercury isotope ratios are challenging because they represent multiple mercury sources and contain mercury that has been subject to biogeochemical transformation leading to isotope fractionation. In regards to the EE, data that provides evidence of changes due to source regulation needs to be gathered from local point source regions to assess health impacts. We recommend that the measurements of particulate-bound mercury in the atmosphere and sediment mercury isotope ratios near mercury hotspots and in fish, are needed to identify ecosystems sensitive to atmospheric deposition and to evaluate the effectiveness of the MC. © 2020 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/158599
Appears in Collections:气候变化与战略

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作者单位: Division of Environmental Science and Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam Gu, Pohang, 37673, South Korea; Department of Earth and Environmental Sciences, University of Michigan, 1100 N. University Ave, Ann Arbor, MI 48109, United States; State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 55081, China; Department of Biology, University of North Carolina at Greensboro, 321 McIver Street, Greensboro, NC 27402, United States; Environmental Measurement and Analysis Center, National Institute of Environmental Research, 42 Hwangyong-Ro, Seo-Gu, Incheon, 22689, South Korea

Recommended Citation:
Kwon S.Y.,Blum J.D.,Yin R.,et al. Mercury stable isotopes for monitoring the effectiveness of the Minamata Convention on Mercury[J]. Earth-Science Reviews,2020-01-01,203
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