Coccosphere-units of sediment trap OG5@en

Coccosphere-unit: Conversion of coccoliths to hypothetical coccospheres by taking an average number of coccoliths per coccosphere.颗石球单元（Coccosphere-unit）：通过计算单个颗石球所含颗石粒的平均数量，将颗石粒转换为假想颗石球。