New technique for high-precision, simultaneous measurements of CH<sub>4</sub>, N<sub>2</sub>O and CO<sub>2</sub> concentrations; isotopic and elemental ratios of N<sub>2</sub>, O<sub>2</sub> and Ar; and total air content in ice cores by wet extraction

New technique for high-precision, simultaneous measurements of CH<sub>4</sub>, N<sub>2</sub>O and CO<sub>2</sub> concentrations; isotopic and elemental ratios of N<sub>2</sub>, O<sub>2</sub> and Ar; and total air content in ice cores by wet extraction

<p>Air in polar ice cores provides unique information on past climatic and atmospheric changes. We developed a new method combining wet extraction, gas chromatography and mass spectrometry for high-precision, simultaneous measurements of eight air components (<span class="inline-formul...

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Bibliographic Details
Main Authors:	I. Oyabu, K. Kawamura, K. Kitamura, R. Dallmayr, A. Kitamura, C. Sawada, J. P. Severinghaus, R. Beaudette, A. Orsi, S. Sugawara, S. Ishidoya, D. Dahl-Jensen, K. Goto-Azuma, S. Aoki, T. Nakazawa
Format:	Article
Language:	English
Published:	Copernicus Publications 2020-12-01
Series:	Atmospheric Measurement Techniques
Online Access:	https://amt.copernicus.org/articles/13/6703/2020/amt-13-6703-2020.pdf

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