JAXA Level 2 cloud and precipitation microphysics retrievals based on EarthCARE radar, lidar, and imager: the CPR_CLP, AC_CLP, and ACM_CLP products
<p>This study introduces the primary products and features of active-sensor-based Level 2 cloud microphysics products of the Japanese Aerospace Exploration Agency (JAXA; i.e., the cloud radar standalone cloud product (CPR_CLP), the radar–lidar synergy cloud product (AC_CLP), and the radar–lida...
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Copernicus Publications
2025-03-01
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| Series: | Atmospheric Measurement Techniques |
| Online Access: | https://amt.copernicus.org/articles/18/1325/2025/amt-18-1325-2025.pdf |
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| author | K. Sato H. Okamoto T. Nishizawa Y. Jin T. Y. Nakajima M. Wang M. Satoh W. Roh W. Roh H. Ishimoto R. Kudo |
| author_facet | K. Sato H. Okamoto T. Nishizawa Y. Jin T. Y. Nakajima M. Wang M. Satoh W. Roh W. Roh H. Ishimoto R. Kudo |
| author_sort | K. Sato |
| collection | DOAJ |
| description | <p>This study introduces the primary products and features of active-sensor-based Level 2 cloud microphysics products of the Japanese Aerospace Exploration Agency (JAXA; i.e., the cloud radar standalone cloud product (CPR_CLP), the radar–lidar synergy cloud product (AC_CLP), and the radar–lidar–imager cloud product (ACM_CLP)). Combined with the 94 GHz Doppler cloud profiling radar (CPR), 355 nm high-spectral-resolution lidar (Atmospheric Lidar, ATLID) and Multi-Spectral Imager (MSI), these products provide a detailed view of the transitions of cloud particle categories and their size distributions. Simulated EarthCARE Level 1 data mimicking actual global observations were used to assess the performance of the JAXA Level 2 cloud microphysics product. Evaluation of the product revealed that the retrievals reasonably reproduced the vertical profile of the modeled microphysics. Further validation of the products is planned for post-launch calibration and validation. Velocity-related JAXA Level 2 products (i.e., CPR_VVL, AC_VVL, and ACM_VVL) such as hydrometeor fall speed and vertical air velocity will be described in a future paper.</p> |
| format | Article |
| id | doaj-art-19d1c396a34944e49887c8a019204b3d |
| institution | DOAJ |
| issn | 1867-1381 1867-8548 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Atmospheric Measurement Techniques |
| spelling | doaj-art-19d1c396a34944e49887c8a019204b3d2025-08-20T02:57:07ZengCopernicus PublicationsAtmospheric Measurement Techniques1867-13811867-85482025-03-01181325133810.5194/amt-18-1325-2025JAXA Level 2 cloud and precipitation microphysics retrievals based on EarthCARE radar, lidar, and imager: the CPR_CLP, AC_CLP, and ACM_CLP productsK. Sato0H. Okamoto1T. Nishizawa2Y. Jin3T. Y. Nakajima4M. Wang5M. Satoh6W. Roh7W. Roh8H. Ishimoto9R. Kudo10Research Institute for Applied Mechanics, Kyushu University, Fukuoka, 816-8580, JapanResearch Institute for Applied Mechanics, Kyushu University, Fukuoka, 816-8580, JapanEarth System Division, National Institute for Environmental Studies, Tsukuba, 305-8506, JapanEarth System Division, National Institute for Environmental Studies, Tsukuba, 305-8506, JapanResearch and Information Center, Tokai University, Kanagawa, 2591292, JapanResearch and Information Center, Tokai University, Kanagawa, 2591292, JapanAtmosphere and Ocean Research Institute, The University of Tokyo, Chiba, 2778564, JapanAtmosphere and Ocean Research Institute, The University of Tokyo, Chiba, 2778564, JapanTokyo University of Marine Science and Technology, Tokyo, 1358533, JapanDepartment of Observation and Data Assimilation Research, Meteorological Research Institute, Japan Meteorological Agency, Tsukuba, 305-0052, JapanDepartment of Observation and Data Assimilation Research, Meteorological Research Institute, Japan Meteorological Agency, Tsukuba, 305-0052, Japan<p>This study introduces the primary products and features of active-sensor-based Level 2 cloud microphysics products of the Japanese Aerospace Exploration Agency (JAXA; i.e., the cloud radar standalone cloud product (CPR_CLP), the radar–lidar synergy cloud product (AC_CLP), and the radar–lidar–imager cloud product (ACM_CLP)). Combined with the 94 GHz Doppler cloud profiling radar (CPR), 355 nm high-spectral-resolution lidar (Atmospheric Lidar, ATLID) and Multi-Spectral Imager (MSI), these products provide a detailed view of the transitions of cloud particle categories and their size distributions. Simulated EarthCARE Level 1 data mimicking actual global observations were used to assess the performance of the JAXA Level 2 cloud microphysics product. Evaluation of the product revealed that the retrievals reasonably reproduced the vertical profile of the modeled microphysics. Further validation of the products is planned for post-launch calibration and validation. Velocity-related JAXA Level 2 products (i.e., CPR_VVL, AC_VVL, and ACM_VVL) such as hydrometeor fall speed and vertical air velocity will be described in a future paper.</p>https://amt.copernicus.org/articles/18/1325/2025/amt-18-1325-2025.pdf |
| spellingShingle | K. Sato H. Okamoto T. Nishizawa Y. Jin T. Y. Nakajima M. Wang M. Satoh W. Roh W. Roh H. Ishimoto R. Kudo JAXA Level 2 cloud and precipitation microphysics retrievals based on EarthCARE radar, lidar, and imager: the CPR_CLP, AC_CLP, and ACM_CLP products Atmospheric Measurement Techniques |
| title | JAXA Level 2 cloud and precipitation microphysics retrievals based on EarthCARE radar, lidar, and imager: the CPR_CLP, AC_CLP, and ACM_CLP products |
| title_full | JAXA Level 2 cloud and precipitation microphysics retrievals based on EarthCARE radar, lidar, and imager: the CPR_CLP, AC_CLP, and ACM_CLP products |
| title_fullStr | JAXA Level 2 cloud and precipitation microphysics retrievals based on EarthCARE radar, lidar, and imager: the CPR_CLP, AC_CLP, and ACM_CLP products |
| title_full_unstemmed | JAXA Level 2 cloud and precipitation microphysics retrievals based on EarthCARE radar, lidar, and imager: the CPR_CLP, AC_CLP, and ACM_CLP products |
| title_short | JAXA Level 2 cloud and precipitation microphysics retrievals based on EarthCARE radar, lidar, and imager: the CPR_CLP, AC_CLP, and ACM_CLP products |
| title_sort | jaxa level 2 cloud and precipitation microphysics retrievals based on earthcare radar lidar and imager the cpr clp ac clp and acm clp products |
| url | https://amt.copernicus.org/articles/18/1325/2025/amt-18-1325-2025.pdf |
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