Articles | Volume 13, issue 12
Atmos. Meas. Tech., 13, 6703–6731, 2020
https://doi.org/10.5194/amt-13-6703-2020
Atmos. Meas. Tech., 13, 6703–6731, 2020
https://doi.org/10.5194/amt-13-6703-2020

Research article 15 Dec 2020

Research article | 15 Dec 2020

New technique for high-precision, simultaneous measurements of CH4, N2O and CO2 concentrations; isotopic and elemental ratios of N2, O2 and Ar; and total air content in ice cores by wet extraction

Ikumi Oyabu et al.

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Latest update: 04 Dec 2021
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Short summary
Air in polar ice cores provides information on past atmosphere and climate. We present a new method for simultaneously measuring eight gases (CH4, N2O and CO2 concentrations; isotopic ratios of N2 and O2; elemental ratios between N2, O2 and Ar; and total air content) from single ice-core samples with high precision.