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The depth profiles of total organic carbon (TOC), n-alkane C31, and sedimentation rate. The geological timescale (59 kyr-present) is shown on the right. The Relative Seal Level is from Higginson et al. (2003). Samples were assigned to MIS 1, MIS 2, and MIS 3 according to the age model established by (Zhao et al., 2017). LGM, Last Glacial Maximum.
