Figure 2

Profiles of biomarkers and other environmental proxies in the YC1 sediment profile.

(a) TOC; (b) the ratio of Chenopodiaceae to total pollen²¹; (c) the acid ratio of C_18:2/C_18:0; (d) the alkanes ratio of 2C₃₁/(C₂₇ + C₂₉); (e) nC₁₈-ol; (f) nC₃₀-ol.