Two sedimentary rhythms can be detected in core D: MIS 4 regression to MIS 3 transgression and MIS 2 regression to the post glacial transgression.

• 整个柱样可反映出海洋同位素MIS 4期海退至MIS 3期海进与MIS 2期海退至冰后期海进的沉积变化韵律。