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20 December 2024 Algorithms to retrieve particle optical properties using the space Lidar ATLID onboard EarthCARE
Tomoaki Nishizawa, Rei Kudo, Eiji Oikawa, Akiko Higurashi, Yoshitaka Jin, Nobuo Sugimoto, Kaori Sato, Hajime Okamoto
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Proceedings Volume 13265, Lidar and Optical Remote Sensing for Environmental Monitoring XVII; 132650F (2024) https://doi.org/10.1117/12.3042902
Event: Asia-Pacific Remote Sensing, 2024, Kaohsiung, Taiwan
Abstract
We have developed algorithms to produce JAXA ATLID level two products using data measured by the lidar ATLID and imager MSI onboard the EarthCARE satellite. The algorithms estimate particle optical properties such as extinction, backscatter, and depolarization ratio as well as layer identifier, particle type identifier, and planetary boundary layer height. Furthermore, the algorithm estimates extinction coefficient of four aerosol components, dust, sea-salt, carbonaceous, and water-soluble particles using ATLID data; the other algorithm uses both ATLID and MSI data to estimate the extinction coefficient of the four aerosol components and column-mean mode-radii of fine-mode and coarse-mode aerosols. Prior to the ATLID algorithm development, we have developed a similar aerosol component retrieval algorithm using CALIOP and MODIS data; this technique was introduced into the ATLID algorithm. These algorithms were applied to the CALIOP long-term data, and the estimates have been used for evaluating aerosol radiation effects and data assimilation.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Tomoaki Nishizawa, Rei Kudo, Eiji Oikawa, Akiko Higurashi, Yoshitaka Jin, Nobuo Sugimoto, Kaori Sato, and Hajime Okamoto "Algorithms to retrieve particle optical properties using the space Lidar ATLID onboard EarthCARE", Proc. SPIE 13265, Lidar and Optical Remote Sensing for Environmental Monitoring XVII, 132650F (20 December 2024); https://doi.org/10.1117/12.3042902
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KEYWORDS
Aerosols
Algorithm development
Atmospheric particles
Clouds
LIDAR
Optical properties
Satellites
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