TY - JOUR A1 - Cao, J. A1 - Rao, Z. A1 - Shi, F. A1 - Jia, G. T1 - Ice formation on lake surfaces in winter causes warm-season bias of lacustrine brGDGT temperature estimates JO - Biogeosciences J1 - BG VL - 17 IS - 9 SP - 2521 EP - 2536 Y1 - 2020/05/12 PB - Copernicus Publications SN - 1726-4189 UR - https://bg.copernicus.org/articles/17/2521/2020/ L1 - https://bg.copernicus.org/articles/17/2521/2020/bg-17-2521-2020.pdf DO - 10.5194/bg-17-2521-2020 ER -