(Table 1) Age determination of Globigerinoides sacculifer of sediment core MD99-2201@en

Calendar year ranges represent 95% probability (2 sigma. PMC (corrected) is the proportion of modern (1950 AD) carbon (%), corrected with the d13C value for mass fractionation.日历年范围对应95%置信概率（2σ，即2倍标准差）。校正后的现代碳百分比（Percent Modern Carbon，简称PMC）指以公元1950年为基准的现代碳占比，该值通过用于质量分馏的碳同位素δ¹³C值完成校正。