This synthesis dataset contains records of freshwater peat and lake sediments from continental shelves and coastal areas. Information included is site location (when available), thickness and description of terrestrial sediments as well as underlying and overlying sediments, dates (when available), and references.

Supplement to: Treat, Claire C; Jones, Miriam C; Brosius, Laura Susan; Grosse, Guido; Walter Anthony, Katey M (in prep.): High latitude lake and wetland methane emissions lag abrupt early Holocene increases in atmospheric methane.