README Novel observations of East Asian Summer Monsoon evolution during Glacial Termination II from Lake Suigetsu, Japan ACCOMPANYING DATA (ver. 14th September 2023) Dataset Creators: Charlie REX (1), Richard STAFF, Jaime TONEY, Emma PEARSON, Alexander FRANCKE, Megumi SAITO-KATO, Takeshi NAKAGAWA (1) Scottish Universities Environmental Research Centre (SUERC), Scottish Enterprise Technology Park, Rankine Avenue, Glasgow, G75 0QF, UK E-mail: c.rex.1@research.gla.ac.uk Full methods are provided in Rex (2024) - PhD Thesis Samples were taken from the Lake Suigetsu "SG06" core. Sheet 1 includes n-alkane and n-alkanoic acid concentrations of relevant chain lengths, normalised to dry sediment mass, n-alkane indices (Carbon Preference Index (CPI), Terrestrial-Aquatic Ratio (TAR) and Average Chain Length (ACL)), and compound-specific hydrogen isotope analysis of certain n-alkanoic acid homologues, fully corrected as per the methods and with corresponding errors. The lower (younger) and upper (older) age limits of each sample are also provided.