d15N of size-fractionated particulate organic nitrogen (PON) from sediment traps n the Sargasso Sea (off Bermuda) in the western subtropical North Atlantic. Sediment traps from 500 m, 1500 m,
Raw data for all figures and supplementary material in the manuscript by Druce et al. to be published by Geochimica et Cosmochimica Acta as "Zinc isotope systematics in sedimentary carbonates: Towards
