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Conferences > CLEO_AT > 2023 > AW3I > AW3I.4

Development of a Quantum-Cascade Laser Absorption Spectrometer for Rapid and Precise Measurement of 13C-18O and 18O-18O Clumping in CO2

Scott T. Wieman, Jason Kapit, Anna P. M. Michel, and Weifu Guo

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Abstract

Kinetic effects bias paleotemperature signals preserved in carbonate 13C-18O clumping. Measurements of 18O-18O clumping can resolve these biases. We present a prototype laser spectrometer that simultaneously measures 13C-18O and 18O-18O clumping to precisions of <0.25‰.

© 2023 The Author(s)

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