Table S1: Downcore dry bulk density and 234Th data, including mid-point measurement date, measured activity concentration (234Thmeas, 1st measurement), supported activity concentration (238U, 2nd measurement where 234Theq is equal to 238U) and mean value (±standard deviation) per station, excess activity concentration (234Thxs), excess inventory and weighted least squares (WLS) regression metrics used to calculate mixing rates
Sierks et al. (Mon,) studied this question.