“…S, (d) the TS/TOC ratio, (e) the TOC content, (f) the median grain sizes, (g) X-ray diffraction diagrams of the sediment core HV05-St.2 at~13.7 and~11.0 cal. (low-Mg calcite) content (Katsuta et al, 2017), (e) the Lake Baikal VER99-G12 core Picea content (Shichi et al, 2013), (f) the uranium content (Katsuta et al, 2018), (g) global sea level change (Lambeck et al, 2014), Greenland ice core records of (h) GRIP CH 4 (Blunier et al, 2007, and reference therein), (i) atmospheric CO 2 mixing ratio from Antarctic ice cores (Köhler et al, 2017), and (j) NGRIP δ 18 O (North Greenland Ice Core Project, 2004). C: calcite, P: pyrite, Q: quartz.…”