d15N of trap WR2, supplement to: Holmes, M Elizabeth; Lavik, Gaute; Fischer, Gerhard; Segl, Monika; Ruhland, Götz; Wefer, Gerold (2002): Seasonal variability of d15N in sinking particles in the Benguela upwelling region. Deep Sea Research Part I: Oceanographic Research Papers, 49(2), 377-394

M Elizabeth Holmes, Gaute Lavik, Gerhard Fischer, Monika Segl, Götz Ruhland & Gerold Wefer
Temporal changes in d15N values of sinking particles collected with sediment traps in the Benguela upwelling regime off southwest Africa mirrored variations in the input of inorganic nitrogen to the surface water. Reductions in d15N (to as low as 2.5 per mil) corresponded to low sea surface temperatures during austral spring and late austral autumn/early winter, indicating increased nitrate availability due to the presence of recently upwelled water. High particulate fluxes accompanied the low d15N...
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