Nutrients data (NOX (NO2+NO3) and NH4) in pore waters measured on a AA3 Autoanalyzer.

Geochemical data for dissolved anions (Cl, Br, NO3 and SO4) in pore waters by ion exchange chromatography using a Dionex ICS2500.

Calcium carbonate concentrations measured on CM5015 coulometer at the SEAPORT laboratories (University of Southampton) for the cores JC138-27GC, JC138-28GC, JC138-29GC,...

Porosity and bulk density were calculated from known volume and weight of sediments before and after drying at 50°C or freeze-drying. Large imprecision of the porosity and...