The Organic Carbon Cycle in the Arctic Ocean

pp 33-55

Modern Terrigenous Organic Carbon Input to the Arctic Ocean

  • V. Rachold
  • , H. Eicken
  • , V. V. Gordeev
  • , M. N. Grigoriev
  • , H.-W. Hubberten
  • , A. P. Lisitzin
  • , V. P. Shevchenko
  • , L. Schirrmeister

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The main objective of this chapter is to assess recent fluxes of terrigenous dissolved and particulate organic carbon into the Arctic Ocean. The most important terrigenous sources of organic matter (OM) in the ocean are (1) river and groundwater discharge, (2) coastal erosion, (3) sea-ice input and (4) aeolian material fluxes. The organic carbon fluxes of each of these pathways will be considered separately and a evaluation will be made of their roles in the total balance of OM input to the ocean.