Discovery of argon in air-hydrate crystals in a deep ice core using scanning electron microscopy and energy-dispersive X-ray spectroscopy
Tiny samples of ancient atmosphere in air bubbles within ice cores contain argon (Ar), which can be used to reconstruct past temperature changes. At a sufficient depth, the air bubbles are compressed by the overburden pressure under low temperature and transform into air-hydrate crystals. While the...
Main Authors: | Tsutomu Uchida, Wataru Shigeyama, Ikumi Oyabu, Kumiko Goto-Azuma, Fumio Nakazawa, Tomoyuki Homma, Kenji Kawamura, Dorthe Dahl-Jensen |
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Format: | Article |
Language: | English |
Published: |
Cambridge University Press
2022-06-01
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Series: | Journal of Glaciology |
Subjects: | |
Online Access: | https://www.cambridge.org/core/product/identifier/S0022143021001155/type/journal_article |
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