Coccosphere-units of sediment core GIK23071-2

Age given in calendar years. Coccosphere-unit: Conversion of coccoliths to hypothetical coccospheres by taking an average number of coccoliths per coccosphere.年龄以日历年（calendar years）标注。颗石球单位（Coccosphere-unit）：通过计算每个颗石球（coccosphere）平均所含颗石（coccoliths）的数量，将颗石换算为假想颗石球。