Articles | Volume 12, issue 11
https://doi.org/10.5194/amt-12-6241-2019
https://doi.org/10.5194/amt-12-6241-2019
Research article
 | 
28 Nov 2019
Research article |  | 28 Nov 2019

Cloud-Aerosol Transport System (CATS) 1064 nm calibration and validation

Rebecca M. Pauly, John E. Yorks, Dennis L. Hlavka, Matthew J. McGill, Vassilis Amiridis, Stephen P. Palm, Sharon D. Rodier, Mark A. Vaughan, Patrick A. Selmer, Andrew W. Kupchock, Holger Baars, and Anna Gialitaki

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Cited articles

Ansmann, A., Riebesell, M., Wandinger, U., Weitkamp, C., Voss, E., Lahmann, W., and Michaelis, W.: Combined Raman elastic backscatter LIDAR for vertical profiling of moisture, aerosol extinction, backscatter, and LIDAR ratio, Appl. Phys., B55, 18–28, https://doi.org/10.1007/BF00348608, 1992. 
Avery, M., Winker, D., Heymsfield, A. J., Vaughan, M., Hu, Y., and Trepte, C.: Cloud ice water content retrieved from the CALIOP space-based lidar, Geophys. Res. Lett., 39, L05808, https://doi.org/10.1029/2011GL050545, 2012. 
Campbell, J. R., Vaughan, M. A., Oo, M., Holz, R. E., Lewis, J. R., and Welton, E. J.: Distinguishing cirrus cloud presence in autonomous lidar measurements, Atmos. Meas. Tech., 8, 435–449, https://doi.org/10.5194/amt-8-435-2015, 2015. 
Christian, K., Wang, J., Ge, C., Peterson, D., Hyer, E. J., Yorks, J., and McGill, M.: Radiative forcing and stratospheric warming of pyrocumulonimbus smoke aerosols: first modeling results with multi-sensor (EPIC, CALIPSO, CATS) views from space, Geophys. Res. Lett., 46, 10061–10071, https://doi.org/10.1029/2019GL082360, 2019. 
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Short summary
The Cloud Aerosol Transport System (CATS) demonstrated that direct calibration of 1064 nm lidar data from a spaceborne platform is possible. By normalizing the CATS signal to a modeled molecular backscatter profile the CATS data were calibrated, enabling the derivation of optical properties of clouds and aerosols. Comparisons of the calibrated signal with airborne lidar, ground-based lidar, and spaceborne lidar all show agreement within the estimated error bars of the respective instruments.