Articles | Volume 14, issue 2
Research article
22 Feb 2021
Research article |  | 22 Feb 2021

Compact and lightweight mid-infrared laser spectrometer for balloon-borne water vapor measurements in the UTLS

Manuel Graf, Philipp Scheidegger, André Kupferschmid, Herbert Looser, Thomas Peter, Ruud Dirksen, Lukas Emmenegger, and Béla Tuzson


Interactive discussion

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Manuel Graf on behalf of the Authors (27 Dec 2020)  Author's response    Manuscript
ED: Publish as is (04 Jan 2021) by Huilin Chen
Short summary
Water vapor is the most important natural greenhouse gas. The accurate and frequent measurement of its abundance, especially in the upper troposphere and lower stratosphere (UTLS), is technically challenging. We developed and characterized a mid-IR absorption spectrometer for highly accurate water vapor measurements in the UTLS. The instrument is sufficiently small and lightweight (3.9 kg) to be carried by meteorological balloons, which enables frequent and cost-effective soundings.