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Showing 1–4 of 4 results
Advanced filters: Author: Helena Pryer Clear advanced filters

  • Biogenic sulfate production during the penultimate glacial period only modestly exceeded that in the following interglacial, indicating a balancing of dust-driven Subantarctic productivity increases and sea ice-driven high-latitude declines, according to an Antarctic ice core.

    • Hubertus Fischer
    • Andrea Burke
    • Eric Wolff
    Research
    Nature Geoscience
    Volume: 18, P: 160-166

  • The question of how significant barite deposits were able to form from early Earth’s low-sulfate seas remains controversial. Here, the authors show pelagic barite precipitation within a strongly barite-undersaturated ecosystem, highlighting the importance of particle-associated microenvironments.

    • Tristan J. Horner
    • Helena V. Pryer
    • Richard D. Ricketts
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-11

  • Glacial weathering is a significant source of dissolved silicon to coastal waters, supporting diatom growth in polar ecosystems, according to a review of the stable and radioisotope measurements alongside biogeochemical modeling to understand subglacial silica mobilization and its cycling across the land-ocean continuum.

    • Katharine R. Hendry
    • Felipe Sales de Freitas
    • E. Malcolm S. Woodward
    ReviewsOpen Access
    Communications Earth & Environment
    Volume: 6, P: 1-12