Radiocarbon measurements of sediment core OC437-07_GC68

Calibration curve: Marine09.DeltaR: 130 ±25.Calibrations performed using: OxCal P_sequence.k (events/cm): 0.75.校准曲线：Marine09。ΔR（DeltaR）值为130±25。本次校准采用OxCal P_sequence.k完成，事件密度为0.75 事件/厘米。