Articles | Volume 14, issue 2
Atmos. Meas. Tech., 14, 1365–1378, 2021
https://doi.org/10.5194/amt-14-1365-2021
Atmos. Meas. Tech., 14, 1365–1378, 2021
https://doi.org/10.5194/amt-14-1365-2021

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 et al.

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Latest update: 11 Apr 2021
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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.