Refinement of the CALIOP cloud mask algorithm

Shuichiro Katagiri, Kaori Sato, Kohei Ohta, Hajime Okamoto

Research output: Contribution to journalConference articlepeer-review


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.

Original languageEnglish
Article number05043
JournalEPJ Web of Conferences
Publication statusPublished - Apr 13 2018
Event28th International Laser Radar Conference, ILRC 2017 - Bucharest, Romania
Duration: Jun 25 2017Jun 30 2017

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


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