Articles | Volume 17, issue 20
https://doi.org/10.5194/amt-17-6193-2024
https://doi.org/10.5194/amt-17-6193-2024
Research article
 | 
23 Oct 2024
Research article |  | 23 Oct 2024

Water vapor stable isotope memory effects of common tubing materials

Alexandra L. Meyer and Lisa R. Welp

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Short summary
Water molecules stick to air intake tubing wall surfaces, smoothing measurements of fast isotopic variability in the atmosphere. We tested this stickiness and saw small differences in isotopic signal speed between materials, tubing inner dimensions, and isotopic switch direction, although no consistent temperature effects. Researchers can confidently compare measurements across observation systems using different commonly used tubing materials and plan for optimal inlet designs of new systems.
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