Variation in methane production since the last deglaciation reconstructed using isoprenoid GDGTs from the sediment of Sihailongwan Maar Lake in northeastern China - Pingping Li; Nan Zhan; Patrick Rioual; Guoqiang Chu; Guibin Zhang; Qi Li; Manman Xie; Guohui Lu; Qing Sun (Quaternary Science Reviews, 2026)