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Showing 1–5 of 5 results
Advanced filters: Author: Thomas Ryan-Keogh Clear advanced filters

  • Continental shelves have become a substantial sink of anthropogenic mercury since the onset of the Industrial Revolution. However, human activities and climate-related processes can remobilize mercury-bearing sediment, potentially transforming this mercury sink into a marine source.

    • Maodian Liu
    • Chengzhen Zhou
    • Thomas S. Bianchi
    Research
    Nature Sustainability
    Volume: 8, P: 1280-1293

  • Earth system models underestimate the decline in net primary productivity associated with ocean warming, meaning future net primary productivity decline is more likely than currently estimated, according to a ranking of Earth system models using remote sensing data.

    • Thomas J. Ryan-Keogh
    • Alessandro Tagliabue
    • Sandy J. Thomalla
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 6, P: 1-10

  • Using 25 years of satellite chlorophyll a data, the authors demonstrate significant and widespread changes in the amplitude, timing, duration and seasonality of Southern Ocean phytoplankton blooms. Such changes threaten ecosystem services and can impact global climate by altering natural CO2 uptake.

    • Sandy J. Thomalla
    • Sarah-Anne Nicholson
    • Marié E. Smith
    ResearchOpen Access
    Nature Climate Change
    Volume: 13, P: 975-984

  • This study reports a dense, late summer phytoplankton bloom in the Southern Ocean that accumulated unusually high levels of organic matter and supported feeding hot spots for birds and whales. The authors show that this recurring open ocean bloom is driven by anomalies in easterly winds that push sea ice southwards and favour the upwelling of deep waters enriched in hydrothermal iron.

    • Sebastien Moreau
    • Tore Hattermann
    • Harald Steen
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-12