(Table 2) Age determination of Arctic Ocean sediment cores

Holocene ages are median probability ages based on calibration using CALIB v 5.0.2 (data are available at http://calib.qub.ac.uk/calib/); older ages were calibrated using the...全新世年代为基于CALIB v5.0.2校准得到的中值概率年代（相关数据可从http://calib.qub.ac.uk/calib/获取）；较老年代则采用……进行校准。