The XJY loess profile on the South Changshan Island is a representative profile of the eastern coast of China.
The OSL dating at the depths of 0.8 m, 2.5 m, and 3.9 m are 12.6 ± 1.0 ka, 19.2 ± 1.1 ka and 56.9 ± 2.6 ka, respectively.
The XJY loess profile recorded the palaeoclimatic changes since the last interglacial period in the eastern coast of China.