In E271 station, The sedimentation rate of the upper layer (0-36.5cm) is 1.307cm/ka, the age of this segment is 27.9ka; the under layer (36.5-45.5cm) is 0.204cm/ka, the sedimentation time is 44.1ka. The form age of E271 is 72.0ka.

• E271 站按沉积速率分两段；上段(0-36.；5cm)的沉积速率为 1