冷水珊瑚氧、碳同位素—古水温重建与钙化机制

孔乐, 黄恩清, 田军

Oxygen and Carbon Isotopes of Cold-water Corals—Reconstructing Paleotemperature Changes and Calcification Mechanism

Le Kong, Enqing Huang, Jun Tian

图1 竹节柳珊瑚氧、碳同位素关系图^{[14,15,23,24,25,26]}
δ¹⁸O_冷水珊瑚-δ¹⁸O_海水、δ¹³C_冷水珊瑚-δ¹³C_海水代表珊瑚氧、碳同位素与海水同位素的差值,橘黄色虚线表示δ¹³C_冷水珊瑚-δ¹³C_海水=0时的δ¹⁸O轴

Fig.1 δ¹³C versus δ¹⁸O in bamboo corals^{[14,15,23,24,25,26]}
δ¹⁸O_{cold-water coral}-δ¹⁸O_seawater，δ¹³C_{cold-water cora}-δ¹³C_seawater: δ¹⁸O and δ¹³C values are adjusted for local δ¹⁸O_seawaterand δ¹³C_seawater values； The orange dashed line indicates δ¹⁸O axis at δ¹³C_{cold-water coral}-δ¹³C_seawater=0