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<p>The natural variability in the abundance ratios of stable isotopes of mercury (Hg), which collectively forms its isotopic composition, provides information on Hg sources and biogeochemical pathways. Modern mass spectrometry has allowed for measurement of Hg isotope ratios across atmospheric, aquatic, and terrestrial compartments, often at trace levels. Since realizing the utility of Hg isotope ratios, hundreds of studies have generated a wealth of data that is increasingly challenging to summarize and interpret for individual scientists. Arising as a complimentary initiative under the Global Observation System&#xa0;for Mercury (GOS<sup>4</sup>M) that supports the Minamata Convention on Mercury, we describe the establishment of the iGOS<sup>4</sup>M Hg isotope dataset. In its present form, iGOS<sup>4</sup>M has &gt; 11,000 data entries from 190 studies, which together with metadata on sample type, geographical location, Hg concentration, and other environmental and ecological parameters, provide a long-needed catalogue of knowledge gathered by and for the Hg isotope community. We introduce the structure of iGOS<sup>4</sup>M and a standardization rubric to promote global consistency in measurement and data reporting.</p>

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The Global Observation System for Mercury dataset for mercury stable isotope signatures in environmental media

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年3月17日

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  • Jeroen E. Sonke,
  • Sae Yun Kwon,
  • Jason D. Demers,
  • Wang Zheng,
  • Moonkyoung Cho,
  • Hoin Lee,
  • Demetra Williams,
  • Ryan F. Lepak,
  • Sarah E. Janssen

摘要

The natural variability in the abundance ratios of stable isotopes of mercury (Hg), which collectively forms its isotopic composition, provides information on Hg sources and biogeochemical pathways. Modern mass spectrometry has allowed for measurement of Hg isotope ratios across atmospheric, aquatic, and terrestrial compartments, often at trace levels. Since realizing the utility of Hg isotope ratios, hundreds of studies have generated a wealth of data that is increasingly challenging to summarize and interpret for individual scientists. Arising as a complimentary initiative under the Global Observation System for Mercury (GOS4M) that supports the Minamata Convention on Mercury, we describe the establishment of the iGOS4M Hg isotope dataset. In its present form, iGOS4M has > 11,000 data entries from 190 studies, which together with metadata on sample type, geographical location, Hg concentration, and other environmental and ecological parameters, provide a long-needed catalogue of knowledge gathered by and for the Hg isotope community. We introduce the structure of iGOS4M and a standardization rubric to promote global consistency in measurement and data reporting.