Fig. 5From: Reconstruction of ocean environment time series since the late nineteenth century using sclerosponge geochemistry in the northwestern subtropical PacificA Comparison of the depth domain profile of radiocarbon (∆14C) data of the SMJ-2-S1 sclerosponge with a coral-derived time series from Ishigaki Island in the southern part of Ryukyu Islands (Hirabayashi et al. 2017). B Established age model in this study at the assumption that sclerosponge skeletal rate has been constantBack to article page