North Sea Organic Carbon and Nitrogen in Sediments

Concentration of organic carbon and organic nitrogen from CHN analysis of sediment samples collected by box core from North Sea sites at North Dogger Bank, Oyster Ground and Sean Gasfield throughout various cruises in 2007-2008, with associated summary PSA data (%gravel, %sand, %mud). Cores were sliced and sampled at a range of depth horizons and the data compiled to provide average values for the 0-5 cm and 5-10cm depth layers. These have been used to summarise profiles and describe spatial variance within four Ecohydrodynamic Units (EHUs).