Observations of the spectral dependence of linear particle depolarization ratio of aerosols using NASA Langley airborne High Spectral Resolution Lidar

Burton, S. P.; Hair, J. W.; Kahnert, M.; Ferrare, R. A.; Hostetler, C. A.; Cook, A. L.; Harper, D. B.; Berkoff, T. A.; Seaman, S. T.; Collins, J. E.; Fenn, M. A.; Rogers, R. R.

doi:https://doi.org/10.5194/acp-15-13453-2015

Articles | Volume 15, issue 23

Atmos. Chem. Phys., 15, 13453–13473, 2015

https://doi.org/10.5194/acp-15-13453-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Atmos. Chem. Phys., 15, 13453–13473, 2015

https://doi.org/10.5194/acp-15-13453-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 23

Research article 07 Dec 2015

Research article | 07 Dec 2015

Observations of the spectral dependence of linear particle depolarization ratio of aerosols using NASA Langley airborne High Spectral Resolution Lidar

S. P. Burton et al.

Data sets

DISCOVER-AQ Aircraft Remote Sensing Aerosol Data / HSRL Aerosol Optical Properties NASA Langley HSRL team, PI Chris Hostetler https://doi.org/10.5067/Aircraft/DISCOVER-AQ/Aerosol-TraceGas

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The manuscript describes measurements of particle depolarization ratio from the NASA airborne HSRL-2 at three wavelengths, for two dust cases and a smoke case. Differences in the spectral dependence of particle depolarization ratio are due to the sizes of the non-spherical particles, large for dust and small for smoke. The large depolarization at 355nm for smoke has not been previously reported and may impact aerosol typing when only a single wavelength is available.