Articles | Volume 9, issue 12
Research article
13 Dec 2016
Research article |  | 13 Dec 2016

Thermal infrared laser heterodyne spectroradiometry for solar occultation atmospheric CO2 measurements

Alex Hoffmann, Neil A. Macleod, Marko Huebner, and Damien Weidmann

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Cited articles

Abbas, M. M., Kunde, V. G., Mumma, M. J., Kostiuk, T., Buhl, D., and Frerking, M. A.: Stratospheric sounding by infrared heterodyne spectroscopy, J. Geophys. Res.-Space, 84, 2681–2690,, 1979.
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 B, 62, 770–783,, 2010.
Blanc, P. and Wald, L.: The SG2 algorithm for a fast and accurate computation of the position of the Sun for multi-decadal time period, Sol. Energy, 86, 3072–3083,, 2012.
Blanco-Muriel, M., Alarcón-Padilla, D. C., López-Moratalla, T., and Lara-Coira, M.: Computing the solar vector, Sol. Energy, 70, 431–441,, 2001.
Short summary
This paper focuses on the demonstration and assessment of thermal infrared laser heterodyne spectro-radiometry for the remote sensing of carbon dioxide (CO2). A research instrument has been developed and operated from the ground using direct sunlight to measure CO2 to a high precision. This technology would enable the development of high-performance miniature ground-based sounders to complement existing measurement networks and contribute to the improvement of global carbon emission assessment.