Compound identification and molecular abundance distribution of long-chain n-alkanes from a peat sequence in the middle Yangtze river catchment, southeast China

The samples from our peat core were collected using a manual sampling drill and PVC tubes with a diameter of 0.60m. The sampling site is located at Xiyaohu(XYH) peatland (28.44°N, 115.40°E, elevation: 735m). The penetration length is 3.35m, and the total length of the core is 3.00m.