Articles | Volume 12, issue 3
https://doi.org/10.5194/bg-12-739-2015
https://doi.org/10.5194/bg-12-739-2015
Research article
 | 
06 Feb 2015
Research article |  | 06 Feb 2015

Sourcing the iron in the naturally fertilised bloom around the Kerguelen Plateau: particulate trace metal dynamics

P. van der Merwe, A. R. Bowie, F. Quéroué, L. Armand, S. Blain, F. Chever, D. Davies, F. Dehairs, F. Planchon, G. Sarthou, A. T. Townsend, and T. W. Trull

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Cited articles

Angino, E.: Geochemistry of Antarctic pelagic sediments, Geochim. Cosmochim. Ac., 30, 939–961, 1966.
Angino, E. and Andrews, R.: Trace element chemistry, heavy minerals, and sediment statistics of Weddell Sea sediments, J. Sediment. Res., 38, 634–642, 1968.
Armand, L. K., Crosta, X., Quéguiner, B., Mosseri, J., and Garcia, N.: Diatoms preserved in surface sediments of the northeastern Kerguelen Plateau, Deep-Sea Res.-Pt. II, 55, 677–692, 2008.
Barnola, J. M., Raynaud, D., Korotkevich, Y. S., and Lorius, C.: Vostok ice core provides 160000-year record of atmospheric CO2, Nature, 329, 408–414, 1987.
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Short summary
Trace metal analysis of suspended and settling particles and underlying sediment was undertaken to elucidate the source to sink progression of the particulate trace metal pool near Kerguelen Island (Southern Ocean). Findings indicate that the Kerguelen Plateau is a source of trace metals via resuspended shelf sediments, especially below the mixed layer. However, glacial/fluvial runoff into shallow coastal waters is an important mode of fertilisation to areas downstream of Kerguelen Island.
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