Articles | Volume 12, issue 4
https://doi.org/10.5194/amt-12-2331-2019
https://doi.org/10.5194/amt-12-2331-2019
Research article
 | 
15 Apr 2019
Research article |  | 15 Apr 2019

Characterization and evaluation of AIRS-based estimates of the deuterium content of water vapor

John R. Worden, Susan S. Kulawik, Dejian Fu, Vivienne H. Payne, Alan E. Lipton, Igor Polonsky, Yuguang He, Karen Cady-Pereira, Jean-Luc Moncet, Robert L. Herman, Fredrick W. Irion, and Kevin W. Bowman

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AR by John Worden on behalf of the Authors (03 Mar 2019)  Author's response    Manuscript
ED: Publish as is (07 Mar 2019) by Lars Hoffmann
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Short summary
In this paper we take the first steps towards generating a multi-decadal record of the deuterium content of water vapor, useful for evaluating the moisture sources and processes affecting water vapor, by estimating the deuterium content from thermal IR radiances from the AIRS instrument. We find the AIRS-based measurements are sensitive to the deuterium content of water vapor in the middle and lower troposphere with a single measurement uncertainty of ~ 3 % and an accuracy of ~ 0.7 %.