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Jimenez et al 2019, Polarization lidar.pdf | 3,73 MB | Adobe PDF | View/Open |
Title: | Polarization lidar: An extended three-signal calibration approach |
Authors: | Jimenez, C.; Ansmann, A.; Engelmann, R.; Haarig, M.; Schmidt, J.; Wandinger, U. |
Publishers version: | https://doi.org/10.5194/amt-12-1077-2019 |
URI: | https://doi.org/10.34657/3527 https://oa.tib.eu/renate/handle/123456789/4898 |
Issue Date: | 2019 |
Published in: | Atmospheric Measurement Techniques 12 (2019), 2 |
Publisher: | Göttingen : Copernicus GmbH |
Abstract: | We present a new formalism to calibrate a threesignal polarization lidar and to measure highly accurate height profiles of the volume linear depolarization ratios under realistic experimental conditions. The methodology considers elliptically polarized laser light, angular misalignment of the receiver unit with respect to the main polarization plane of the laser pulses, and cross talk among the receiver channels. A case study of a liquid-water cloud observation demonstrates the potential of the new technique. Long-term observations of the calibration parameters corroborate the robustness of the method and the long-term stability of the three-signal polarization lidar. A comparison with a second polarization lidar shows excellent agreement regarding the derived volume linear polarization ratios in different scenarios: A biomass burning smoke event throughout the troposphere and the lower stratosphere up to 16 km in height, a dust case, and also a cirrus cloud case. |
Keywords: | biomass burning; calibration; cirrus; detection method; equipment; experimental study; laser method; lidar; methodology; parameter estimation; smoke; stratosphere; troposphere |
Type: | article; Text |
Publishing status: | publishedVersion |
DDC: | 530 |
License: | CC BY 4.0 Unported |
Link to license: | https://creativecommons.org/licenses/by/4.0/ |
Appears in Collections: | Physik |
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Jimenez, C., A. Ansmann, R. Engelmann, M. Haarig, J. Schmidt and U. Wandinger, 2019. Polarization lidar: An extended three-signal calibration approach. 2019. Göttingen : Copernicus GmbH
Jimenez, C., Ansmann, A., Engelmann, R., Haarig, M., Schmidt, J. and Wandinger, U. (2019) “Polarization lidar: An extended three-signal calibration approach.” Göttingen : Copernicus GmbH. doi: https://doi.org/10.5194/amt-12-1077-2019.
Jimenez C, Ansmann A, Engelmann R, Haarig M, Schmidt J, Wandinger U. Polarization lidar: An extended three-signal calibration approach. Vol. 12. Göttingen : Copernicus GmbH; 2019.
Jimenez, C., Ansmann, A., Engelmann, R., Haarig, M., Schmidt, J., & Wandinger, U. (2019). Polarization lidar: An extended three-signal calibration approach (Version publishedVersion, Vol. 12). Version publishedVersion, Vol. 12. Göttingen : Copernicus GmbH. https://doi.org/https://doi.org/10.5194/amt-12-1077-2019
Jimenez C, Ansmann A, Engelmann R, Haarig M, Schmidt J, Wandinger U. Polarization lidar: An extended three-signal calibration approach. 2019;12(2). doi:https://doi.org/10.5194/amt-12-1077-2019
This item is licensed under a Creative Commons License