Silicon isotopes indicate enhanced carbon export efficiency in the North Atlantic during deglaciation.

@article{Hendry2014SiliconII,
  title={Silicon isotopes indicate enhanced carbon export efficiency in the North Atlantic during deglaciation.},
  author={Katharine R Hendry and Laura F. Robinson and Mcmanus and Jennifer D. Hays},
  journal={Nature communications},
  year={2014},
  volume={5},
  pages={
          3107
        }
}
Today's Sargasso Sea is nutrient starved, except for episodic upwelling events caused by wind-driven winter mixing and eddies. Enhanced diatom opal burial in Sargasso Sea sediments indicates that silicic acid, a limiting nutrient today, may have been more available in subsurface waters during Heinrich Stadials, millennial-scale climate perturbations of the last glacial and deglaciation. Here we use the geochemistry of opal-forming organisms from different water depths to demonstrate changes in… CONTINUE READING
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