Total oxygen fluxes in the HAUSGARTEN area (Fram Strait) in 2014 (POLARSTERN cruise PS85)

Ulrike Braeckman & Ralf Hoffmann
For ex situ total oxygen uptake (TOU) measurements, sediment cores recovered by a MUC were used. The sediment cores were closed airtight with no air bubbles in the overlying water. The distance between the SWI and the edge of the lid was measured for volume calculations of the overlying water. An optical oxygen microsensor (Pyroscience, Aachen, Germany) with a tip size diameter of 50 µm was installed in the lid, allowing a continuous measurement of...
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