Articles | Volume 11, issue 10
Atmos. Meas. Tech., 11, 5701–5727, 2018
https://doi.org/10.5194/amt-11-5701-2018

Special issue: CALIPSO version 4 algorithms and data products

Atmos. Meas. Tech., 11, 5701–5727, 2018
https://doi.org/10.5194/amt-11-5701-2018

Research article 18 Oct 2018

Research article | 18 Oct 2018

Extinction and optical depth retrievals for CALIPSO's Version 4 data release

Stuart A. Young et al.

Data sets

The CALIPSO level 1 profile product M. Vaughan, M. Pitts, C. Trepte, D. Winker, P. Detweiler, A. Garnier, B. Getzewich, W. Hunt, J. Lambeth, K.-P. Lee, P. Lucker, T. Murray, S. Rodier, T. Tremas, A. Bazureau, and J. Pelon https://doi.org/10.5067/CALIOP/CALIPSO/LID_L1-Standard-V4-10

The CALIPSO level~2 5 km cloud profile product M. Vaughan, M. Pitts, C. Trepte, D. Winker, P. Detweiler, A. Garnier, B. Getzewich, W. Hunt, J. Lambeth, K.-P. Lee, P. Lucker, T. Murray, S. Rodier, T. Tremas, A. Bazureau, and J. Pelon https://doi.org/10.5067/CALIOP/CALIPSO/LID_L2_05kmCPro-Standard-V4-10

The CALIPSO level 2 5 km merged layer product M. Vaughan, M. Pitts, C. Trepte, D. Winker, P. Detweiler, A. Garnier, B. Getzewich, W. Hunt, J. Lambeth, K.-P. Lee, P. Lucker, T. Murray, S. Rodier, T. Tremas, A. Bazureau, and J. Pelon https://doi.org/10.5067/CALIOP/CALIPSO/LID_L2_05kmMLay-Standard-V4-10

The CALIPSO level 2 vertical feature mask product M. Vaughan, M. Pitts, C. Trepte, D. Winker, P. Detweiler, A. Garnier, B. Getzewich, W. Hunt, J. Lambeth, K.-P. Lee, P. Lucker, T. Murray, S. Rodier, T. Tremas, A. Bazureau, and J. Pelon https://doi.org/10.5067/CALIOP/CALIPSO/LID_L2_05kmMLay-Standard-V4-10

MODIS Atmosphere L2 Cloud Product S. Platnick, M. King, G. Wind, S. Ackerman, P. Menzel, and R. Frey https://doi.org/10.5067/CALIOP/CALIPSO/LID_L2_VFM-Standard-V4-10

The CALIPSO+MODIS CALTRACK data AERIS/ICARE http://www.icare.univ-lille1.fr

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Short summary
This paper describes comprehensive upgrades to the algorithms used to retrieve altitude-resolved profiles of cloud and aerosol extinction coefficients from the elastic backscatter measurements made by the space-based CALIPSO lidar. The CALIPSO version 4 data products generated by these new algorithms are explored in detail, and the many areas of improvement are highlighted using extensive comparisons both to previous versions and to collocated measurements made by space-based passive sensors.