Figure 3: Pore water [Cr] profile.
The left panel shows pore water dissolved [Cr] with depth in the sediment. Concentrations represent pore water concentrations in sample intervals of 1 cm. Dissolved bottom water [Cr] is shown from a sample collected approximately 10 cm above the sediment-water interface (shown as a dashed line). Uncertainty is smaller than the symbol size. Note that the y axis scale above the sediment-water interface is different from the scale below the interface. The right panel shows bulk sediment composition for the same core and sediment intervals as pore water data (CaCO3 – grey, lithogenic material – brown, organic matter – green; see supplemental section 3.3 and Table S7). The x axis scale has a break between 0% and 70%.