Preprints
https://doi.org/10.5194/amt-2015-337
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-2015-337
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
02 Feb 2016
Status: this preprint was under review for the journal AMT. A revision for further review has not been submitted.
Experimental assessment of the lidar polarizing sensitivity
Abstract. Particle depolarization ratio retrieved from lidar measurements are commonly used for aerosol typing studies, microphysical inversion, or mass concentration retrievals. The particle depolarization ratio is one of the primary parameters that can differentiate several major aerosol components, but only if the measurements are accurate enough. The uncertainties related to the retrieval of particle depolarization ratios are the main factor in determining the accuracy of the derived parameters in such studies. This paper presents an extended analysis of different depolarization calibration procedures, in order to reduce the related uncertainties. The calibration procedures are specific to each lidar system of the European Aerosol Research Lidar Network – EARLINET with polarising capabilities. The results illustrate a significant improvement of the depolarization lidar products for all the selected lidar stations. The calibrated volume and particle depolarization profiles at 532 nm show values that agree with the theory for all selected atmospheric constituents (several aerosol species, ice particles and molecules in the aerosol free regions).
How to cite. Belegante, L., Bravo-Aranda, J. A., Freudenthaler, V., Nicolae, D., Nemuc, A., Alados-Arboledas, L., Amodeo, A., Pappalardo, G., D’Amico, G., Engelmann, R., Baars, H., Wandinger, U., Papayannis, A., Kokkalis, P., and Pereira, S. N.: Experimental assessment of the lidar polarizing sensitivity, Atmos. Meas. Tech. Discuss. [preprint], https://doi.org/10.5194/amt-2015-337, in review, 2016.
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Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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RC1: 'Comments to Belegante et al.', Anonymous Referee #1, 01 Mar 2016
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RC2: 'Review of Belegante et al.', Anonymous Referee #2, 23 Mar 2016
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SC1: 'Short Comment on the manuscript by L. Belegante et al. on “Experimental assessment of the lidar polarizing sensitivity”', Alain Miffre, 28 Mar 2016
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EC1: 'Editor's final comment', Albert Ansmann, 01 Apr 2016
Status: closed (peer review stopped)
Status: closed (peer review stopped)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
- Printer-friendly version
- Supplement
-
RC1: 'Comments to Belegante et al.', Anonymous Referee #1, 01 Mar 2016
-
RC2: 'Review of Belegante et al.', Anonymous Referee #2, 23 Mar 2016
-
SC1: 'Short Comment on the manuscript by L. Belegante et al. on “Experimental assessment of the lidar polarizing sensitivity”', Alain Miffre, 28 Mar 2016
-
EC1: 'Editor's final comment', Albert Ansmann, 01 Apr 2016
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Cited
6 citations as recorded by crossref.
- An overview of the first decade of Polly<sup>NET</sup>: an emerging network of automated Raman-polarization lidars for continuous aerosol profiling H. Baars et al. 10.5194/acp-16-5111-2016
- Using paraxial approximation to describe the optical setup of a typical EARLINET lidar system P. Kokkalis 10.5194/amt-10-3103-2017
- EARLINET: potential operationality of a research network M. Sicard et al. 10.5194/amt-8-4587-2015
- EARLINET instrument intercomparison campaigns: overview on strategy and results U. Wandinger et al. 10.5194/amt-9-1001-2016
- An Architecture Providing Depolarization Ratio Capability for a Multi-Wavelength Raman Lidar: Implementation and First Measurements A. Rodríguez-Gómez et al. 10.3390/s17122957
- The automated multiwavelength Raman polarization and water-vapor lidar Polly<sup>XT</sup>: the neXT generation R. Engelmann et al. 10.5194/amt-9-1767-2016
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L. Belegante
National Institute of Research and Development for Optoelectronics, 409 Atomistilor Str, Magurele, Romania
J. A. Bravo-Aranda
Andalusian Institute for Earth System Research, Granada, Spain
Department of Applied Physcis, Unversity of Granada, Granada, Spain
V. Freudenthaler
Meteorological Institute, Ludwig-Maximilians-Universitat, Theresienstr. 37, 80333 Munich, Germany
D. Nicolae
National Institute of Research and Development for Optoelectronics, 409 Atomistilor Str, Magurele, Romania
National Institute of Research and Development for Optoelectronics, 409 Atomistilor Str, Magurele, Romania
L. Alados-Arboledas
Andalusian Institute for Earth System Research, Granada, Spain
Department of Applied Physcis, Unversity of Granada, Granada, Spain
A. Amodeo
Istituto di Metodologie per l’Analisi Ambientale CNR-IMAA, C.da S. Loja, Tito Scalo, Potenza 85050, Italy
G. Pappalardo
Istituto di Metodologie per l’Analisi Ambientale CNR-IMAA, C.da S. Loja, Tito Scalo, Potenza 85050, Italy
G. D’Amico
Istituto di Metodologie per l’Analisi Ambientale CNR-IMAA, C.da S. Loja, Tito Scalo, Potenza 85050, Italy
R. Engelmann
Leibniz Institute for Tropospheric Research, Permoserstr. 15, 04318 Leipzig, Germany
Leibniz Institute for Tropospheric Research, Permoserstr. 15, 04318 Leipzig, Germany
U. Wandinger
Leibniz Institute for Tropospheric Research, Permoserstr. 15, 04318 Leipzig, Germany
A. Papayannis
National Technical University of Athens (NTUA), Physics Department, Heroon Polytechniou 9, 15780 Zografou, Athens, Greece
P. Kokkalis
National Technical University of Athens (NTUA), Physics Department, Heroon Polytechniou 9, 15780 Zografou, Athens, Greece
S. N. Pereira
Evora Geophysics Center, Rua Romao Ramalho 59, 7000, Evora, Portugal
Short summary
This study aims to present techniques developed to calibrate the lidar depolarization channels.
The experimental approach of the paper is designed to present how calibration procedures are implemented. Most of the literature is focused on the theoretical perspective of the topic and practical issues usually remain an open topic. A hands on approach for the assessment of the lidar polarization sensitivity is welcomed since most of these techniques require comprehensive practical description.
This study aims to present techniques developed to calibrate the lidar depolarization channels....
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