Articles | Volume 15, issue 14
https://doi.org/10.5194/acp-15-7753-2015
https://doi.org/10.5194/acp-15-7753-2015
Research article
 | 
16 Jul 2015
Research article |  | 16 Jul 2015

Water vapour profiles from Raman lidar automatically calibrated by microwave radiometer data during HOPE

A. Foth, H. Baars, P. Di Girolamo, and B. Pospichal

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Cited articles

Adam, M. and Venable, D. D.: Systematic distortions in water vapor mixing ratio and aerosol scattering ratio from a Raman lidar, in: SPIE Proceedings, Vol. 6750, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing III, Florence, Italy, 17–19 September 2007, 67500S, https://doi.org/10.1117/12.738205, 2007.
Adam, M., Demoz, B. B., Whiteman, D. N., Venable, D. D., Joseph, E., Gambacorta, A., Wei, J., Shephard, M. W., Miloshevich, L. M., Barnet, C. D., Herman, R. L., Fitzgibbon, J., and Connell, R.: Water Vapor Measurements by Howard University Raman Lidar during the WAVES 2006 Campaign, J. Atmos. Ocean. Tech., 27, 42–60, https://doi.org/10.1175/2009JTECHA1331.1, 2010.
Althausen, D., Engelmann, R., Baars, H., Heese, B., Ansmann, A., Müller, D., and Komppula, M.: Portable Raman lidar PollyXT for automated profiling of aerosol backscatter, extinction, and depolarization, J. Atmos. Ocean. Tech., 26, 2366–2378, https://doi.org/10.1175/2009JTECHA1304.1, 2009.
Ansmann, A., Wandinger, U., Riebesell, M., Weitkamp, C., and Michaelis, W.: Independent measurement of extinction and backscatter profiles in cirrus clouds by using a combined Raman elastic-backscatter lidar, Appl. Opt., 31, 7113–7131, https://doi.org/10.1364/AO.31.007113, 1992.
Baars, H., Ansmann, A., Engelmann, R., and Althausen, D.: Continuous monitoring of the boundary-layer top with lidar, Atmos. Chem. Phys., 8, 7281–7296, https://doi.org/10.5194/acp-8-7281-2008, 2008.
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Short summary
We present a method to derive water vapour profiles from Raman lidar measurements calibrated by the integrated water vapour from a collocated microwave radiometer. These simultaneous observations provide an operational and continuous measurement of water vapour profiles. The stability of the calibration factor allows for the calibration of the lidar even in the presence of clouds. Based on this approach, water vapour profiles can be retrieved during all non-precipitating conditions.
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