A laser sounder for measuring atmospheric trace gases from space

Haris Riris; James Abshire; Graham Allan; John Burris; Jeffrey Chen; Stephen Kawa; Jian-Ping Mao; Michael Krainak; Mark Stephen; Xiaoli Sun; Emily Wilson

doi:10.1117/12.737607

17 October 2007 A laser sounder for measuring atmospheric trace gases from space

Haris Riris, James Abshire, Graham Allan, John Burris, Jeffrey Chen, Stephen Kawa, Jian-Ping Mao, Michael Krainak, Mark Stephen, Xiaoli Sun, Emily Wilson

Author Affiliations +

Proceedings Volume 6750, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing III; 67500U (2007) https://doi.org/10.1117/12.737607
Event: SPIE Remote Sensing, 2007, Florence, Italy

Abstract

Mounting concern regarding global warming and the increasing carbon dioxide (CO₂) concentration has stimulated interest in the feasibility of measuring CO₂ mixing ratios from space. Precise satellite observations with adequate spatial and temporal resolution would substantially increase our knowledge of the atmospheric CO₂distribution and allow improved modeling of the CO₂ cycle. Current estimates indicate that a measurement precision of better than 1 part per million (1 ppm) will be needed in order to improve estimates of carbon uptake by land and ocean reservoirs. A 1-ppm CO₂ measurement corresponds to approximately 1 in 380 or 0.26% long-term measurement precision. This requirement imposes stringent long-term precision (stability) requirements on the instrument In this paper we discuss methods and techniques to achieve the 1-ppm precision for a space-borne lidar.

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Haris Riris, Haris Riris, James Abshire, James Abshire, Graham Allan, Graham Allan, John Burris, John Burris, Jeffrey Chen, Jeffrey Chen, Stephen Kawa, Stephen Kawa, Jian-Ping Mao, Jian-Ping Mao, Michael Krainak, Michael Krainak, Mark Stephen, Mark Stephen, Xiaoli Sun, Xiaoli Sun, Emily Wilson, Emily Wilson, } "A laser sounder for measuring atmospheric trace gases from space", Proc. SPIE 6750, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing III, 67500U (17 October 2007); doi: 10.1117/12.737607; https://doi.org/10.1117/12.737607

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