Articles | Volume 11, issue 4
Atmos. Meas. Tech., 11, 2001–2025, 2018
https://doi.org/10.5194/amt-11-2001-2018
Atmos. Meas. Tech., 11, 2001–2025, 2018
https://doi.org/10.5194/amt-11-2001-2018

Research article 10 Apr 2018

Research article | 10 Apr 2018

Airborne measurements of CO2 column concentrations made with a pulsed IPDA lidar using a multiple-wavelength-locked laser and HgCdTe APD detector

James B. Abshire et al.

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Cited articles

Aben, I., Hasekamp, O., and Hartmann, W.: Uncertainties in the space-based measurements of CO2 columns due to scattering in the Earth's atmosphere, J. Quant. Spectrosc. Ra., 104, 450–459, 2007.
Abshire, J. B., Riris, H., Allan, G. R., Weaver, C. J., Mao, J., Sun, X., Hasselbrack, W. E., Yu, A., Amediek, A., Choi, Y., and Browell, E. V.: A lidar approach to measure CO2 concentrations from space for the ASCENDS Mission, Proc. SPIE, 7832, 78320D, https://doi.org/10.1117/12.868567, 2010a.
Abshire, J. B., Riris, H., Allan, G. R., Weaver, C. J., Mao, J., Sun, X., Hasselbrack, W. E., Kawa, S. R., and Biraud, S.: Pulsed airborne lidar measurements of atmospheric CO2 column absorption, Tellus, 62, 770–783, 2010b.
Abshire, J. B., Riris, H., Weaver, C., Mao, J., Allan, G., Hasselbrack, W., and Browell, E.: Airborne measurements of CO2 column absorption and range using a pulsed direct-detection integrated path differential absorption lidar, Appl. Optics, 52, 4446–4461, 2013a.
Abshire, J. B., Ramanathan, A., Riris, H., Mao, J., Allan, G. R., Hasselbrack, W. E., Weaver, C. J., and Browell, E. V.: Airborne measurements of CO2 column concentration and range using a pulsed direct-detection IPDA lidar, Remote Sens., 6, 443–469, 2013b.
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Here we report on measurements made with an improved CO2 Sounder lidar during the ASCENDS 2014 and 2016 airborne campaigns. The results from the 2016 airborne lidar retrievals show precisions of ~ 0.8 parts per million (ppm) with 1 s averaging over desert surfaces. The results from both campaigns showed the mean values of XCO2 retrieved from the lidar consistently agreed with those based on the in situ sensor to within 1 ppm.