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Showing 1–4 of 4 results
Advanced filters: Author: Rob Raiswell Clear advanced filters

  • Glacial meltwaters may help fertilize the iron-limited Polar Oceans, yet the contribution is poorly constrained. Hawkings et al.monitor iron fluxes during a full-melt season in Greenland, and propose that ice sheets provide highly reactive and potentially bioavailable iron, comparable with aeolian dust fluxes.

    • Jon R. Hawkings
    • Jemma L. Wadham
    • Jon Telling
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-8

  • Iron limits plankton productivity in large regions of the global ocean. Analyses of meltwater from the Greenland ice sheet suggests that subglacial weathering delivers significant quantities of biologically available iron to the North Atlantic Ocean.

    • Rob Raiswell
    News & Views
    Nature Geoscience
    Volume: 6, P: 251-252

  • The Arctic is melting at an unprecedented rate and key drivers are changes in snow and ice albedo. Here, the authors show that red pigmented snow algae play a crucial role in decreasing surface albedo and their patterns for diversity, pigmentation, and consequently albedo, are ubiquitous across the Arctic.

    • Stefanie Lutz
    • Alexandre M. Anesio
    • Liane G. Benning
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-9

  • Glacial runoff often has relatively low dissolved silica concentrations and therefore ice sheets have been thought insignificant in the global silicon cycle. Here, the authors show that ice sheets likely play an important role in the production and export of dissolved and dissolvable amorphous silica downstream.

    • Jon R. Hawkings
    • Jemma L. Wadham
    • Rob Raiswell
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-10