冰芯包裹气体的稳定同位素和气体比值的高精度测量方法与校正

李秋钰, 胡焕婷, 张王滨, 侯书贵

High precision measurement method and correction of stable isotope and gas ratios in trapped gases from ice cores

Qiuyu LI, Huanting HU, Wangbin ZHANG, Shugui HOU

表3 崇测冰芯（Core 4）样品校正后的包裹气δ¹⁸O及精度

Table 3 Trapped O₂δ¹⁸O and precisions for Chongce ice core （Core 4） samples after correction

样品号	深度/m	δ¹⁸O/‰	精度/‰
Run170-A	98.570~98.653	-0.015	±0.008
Run170-B1	98.570~98.653	-0.026	±0.008
Run195-A	109.875~109.965	-0.014	±0.003
Run195-B2	109.875~109.965	-0.009	±0.003
Run384-B1	199.925~200.005	0.042	±0.014
Run384-B2	199.925~200.005	0.062	±0.014