Tracing the oxygen isotope composition of the upper Earth’s atmosphere using cosmic spherules

Oxygen contained within cosmic spherules is sourced from the atmosphere, making micrometeorites a possible archive for past atmospheric conditions. Here, Packet al. compare the isotopic composition of oxygen in cosmic spherules from Antarctica with that of the troposphere, and validate the value of...

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Bibliographic Details
Published in:Nature Communications
Main Authors: Andreas Pack, Andres Höweling, Dominik C. Hezel, Maren T. Stefanak, Anne-Katrin Beck, Stefan T. M. Peters, Sukanya Sengupta, Daniel Herwartz, Luigi Folco
Format: Article in Journal/Newspaper
Language:English
Published: Nature Portfolio 2017
Subjects:
Science
Q
Antarc*
Antarctica
Online Access:https://doi.org/10.1038/ncomms15702
https://doaj.org/article/3cd60bffb8cd4899ad9b928893d5bbca
Description
Summary:Oxygen contained within cosmic spherules is sourced from the atmosphere, making micrometeorites a possible archive for past atmospheric conditions. Here, Packet al. compare the isotopic composition of oxygen in cosmic spherules from Antarctica with that of the troposphere, and validate the value of this archive.

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