| Issue |
EPJ Web Conf.
Volume 176, 2018
The 28th International Laser Radar Conference (ILRC 28)
|
|
|---|---|---|
| Article Number | 05043 | |
| Number of page(s) | 4 | |
| Section | Lidars applications in atmospheric structure and composition: Aerosols, clouds, trace gases | |
| DOI | https://doi.org/10.1051/epjconf/201817605043 | |
| Published online | 13 April 2018 | |
https://doi.org/10.1051/epjconf/201817605043
Refinement of the CALIOP cloud mask algorithm
Research Institute for Applied Mechanics, Kyushu University, Kasuga, Kasuga koen 6-1, 816-8580, JAPAN
* Email: katagiri@riam.kyushu-u.ac.jp
Published online: 13 April 2018
A modified cloud mask algorithm was applied to the CALIOP data to have more ability to detect the clouds in the lower atmosphere. In this algorithm, we also adopt the fully attenuation discrimination and the remain noise estimation using the data obtained at an altitude of 40 km to avoid contamination of stratospheric aerosols. The new cloud mask shows an increase in the lower cloud fraction. Comparison of the results to the data observed with a PML ground observation was also made.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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