Dissolved copper in deep-sea pore waters from multi corer SO262_63-1, central equatorial Pacific Ocean

Samples for dissolved (<0.2 µm) copper (Cu) in deep-sea pore waters from the Clarion Clipperton Zone, eastern German license area for polymetallic nodule mining in the Pacific Ocean, were collected with a multicorer in 2018 during cruise SO262. Samples were obtained at 2 cm intervals for the upper 20 cm of sediment through centrifugation and filtration through 0.2 µm polycarbonate syringe filters for trace metal analyses. The goal of this was to assess trace metal concentrations in pore waters and spatial heterogeneity. Samples were analyzed in 2019 by quadrupole ICP-MS in kinetic energy discrimination (KED) mode.