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Kaori Sato Last modified date：2023.09.05

Associate Professor / Earth System Science and Technology, Interdisciplinary Graduate School of Engineering Sciences
Division of Earth Environment Dynamics
Research Institute for Applied Mechanics


Graduate School
Department of Earth System Science and Technology
Interdisciplinary Graduate School of Engineering Sciences


Homepage
https://kyushu-u.pure.elsevier.com/en/persons/kaori-sato
　Reseacher Profiling Tool　Kyushu University Pure
Academic Degree
Doctor of Science
Country of degree conferring institution (Overseas)
No
Field of Specialization
Atmospheric physics・Satellite Remote Sensing
Outline Activities
Algorithm development for global cloud microphysics and radiative property retrievals based on space-borne Cloud Profiling Doppler Radar and (High Spectral Resolution) Lidar measurements.
Research
Research Interests
  • Development of physical models for multiple scattering processes in active sensor signals
    keyword : multiple scattering, nonsphericity
    2011.03～2022.03.
  • Development of EarthCARE L2 standard products
    keyword : Doppler CPR, ATLID
    2009.04～2025.03.
  • Characterization of Ze and LDR of non-spherical and inhomogeneous ice particles for 95-GHz cloud radar
    keyword : non-sphericity, in-homogeniety
    2004.04～2011.04.
  • Development of microphysics and in-cloud air motion retrieval algorithms using millimeter-wavelength Doppler radar and lidar/global analysis of cloud microphysics
    keyword : millimeter-wavelength Doppler radar, Vertical velocity
    2006.04～2025.04.
  • Development of microphysics retrieval methods by active sensors for mixed-phase conditions
    keyword : mixed phase
    2014.03～2017.04.
Current and Past Project
  • Development of level 2 algorithms for CPR, CPR-ATLID and CPR-ATLID-MSI
Academic Activities
Reports
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Papers
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1. Sato K., H. Okamoto, Global analysis of height-resolved ice particle categories from spaceborne lidar, Geophysical Research Letters, 10.1029/2023GL105522, 2023.09.
2. A. Bracci, K. Sato*, L. Baldini, F. Porcù, H. Okamoto, Development of a methodology for evaluating spaceborne W-band Doppler radar by combined use of Micro Rain Radar and a disdrometer in Antarctica, Remote Sensing of Environment 294 (2023), doi.org/10.1016/j.rse.2023.113630, 2023.05.
3. Y. Jin, T. Nishizawa, N. Sugimoto, S. Takakura, M.Aoki, S. Ishii, A. Yamazaki, R. Kudo, K. Yumimoto, K. Sato, H. Okamoto, Aerosol profile measurement with dual-wavelength high-spectral-resolution lidar using a scanning interferometer, Applied Optics, https://doi.org/10.1364/AO.451707, Vol. 61, Issue 13, pp. 3523-3532, 2022.04.
4. Kong, S., Sato, K., Bi, L, Lidar ratio–depolarization ratio relations of atmospheric dust aerosols: The super-spheroid model and high spectral resolution lidar observations, Journal of Geophysical Research, doi. org/10.1029/2021JD035629, 2022.02.
5. Nishizawa T, Jin Y, Sugimoto N, Sato K., Fujikawa M., Ishii S., Aoki M., Nakagawa K., Okamoto H.,, Observation of clouds, aerosols, and precipitation by multiple-field-of-view multiple-scattering polarization lidar at 355nm, Journal of Quantitative Spectroscopy and Radiative Transfer, doi.org/10.1016/j.jqsrt.2021.107710, 271, 107710, 2021.06.
6. M.Koike K.Goto-Azuma Y.Kondob H.Matsui T.Mori N.Moteki S.Ohata H.Okamoto N. Oshima K.Sato T.Takano Y.Tobo J.Ukita A.Yoshida, Studies on Arctic aerosols and clouds during the ArCS project, Polar Science, doi.org/10.1016/j.polar.2020.100621, 2020.11.
7. H. Okamoto, K.Sato, A. Borovoi, H. Ishimoto, K. Masuda, A. Konoshonkin, N. Kustova, Wavelength dependence of ice cloud backscatter properties for space-borne polarization lidar applications, Optics Express, doi.org/10.1364/OE.400510, 28, 20, 29178-29191, 2020.09.
8. Y. JIN,T. NISHIZAWA, N. SUGIMOTO, S. ISHII, M. AOKI, K. SATO, H. OKAMOTO, Development of a 355-nm high-spectral-resolution lidar using a scanning Michelson interferometer for aerosol profile measurement, Optics Express, doi.org/10.1364/OE.390987, 23209-23222, 2020.07.
9. Sato K., Okamoto H., Application of single and multiple-scattering theories to analyses of space-borne cloud radar and lidar data, Springer Series in Light Scattering, SPRINGER NATURE, doi.org/10.1007/978-3-030-38696-2_1, 5, 2020.02.
10. K. Sato, H. Okamoto, H. Ishimoto, Modeling the depolarization of space-borne lidar signals, Optics Express, doi.org/10.1364/OE.27.00A117, 27(4), A117-A132, 2019.02, 衛星搭載偏光ライダの多重散乱偏光過程を高速に解析する手法の確立.
11. K. Sato, H. Okamoto, H. Ishimoto, Physical model for multiple scattered space-borne lidar returns from clouds, Optics Express, doi.org/10.1364/OE.26.00A301, 2018.03, Development of a physical model for accurate and fast estimates of the time-space dependent multiple-scattered backscattered return for application to global data and further treatment of polarization for the first time..
12. H. Okamoto and K. Sato, Cloud Remote Sensing by Active Sensors: New Perspectives from CloudSat, CALIPSO and EarthCARE, Springer Remote Sensing/Photogrammetry, doi:10.1007/978-3-319 -72583 -3 _ 8, 2018.03.
13. M. Kikuchi, Okamoto H., Sato.K, Y. Hagihara, K. Suzuki, N. Takahashi, G. Cesana, T. Hayasaka, R. Oki, Development of Algorithm for Discriminating Hydrometeor Particle Types with a Synergistic Use of CloudSat and CALIPSO,, Journal of Geophysical Research, 10.1002/2017JD027113, 122, 20, 2017.10.
14. Okamoto H., K. Sato, Development of a multiple-field-of-view multiple-scattering polarization lidar: comparison with cloud radar, OPTICS EXPRESS, 10.1364/OE.24.030053, 24, 26, 30053-30067, 2016.12, Development and evaluation of a new ground-base satellite simulator concept..
15. Illingworth, A., H. Barker, H.Chepfer, J. Delanoe, C. Domenech, D. Donovan, R. Hogan, A. Huenerbein, P. Kollias, T. Nakajima, T. Nakajima, T. Nishizawa, Y. Ohno, H. Okamoto, K. Sato, M. Satoh, U. Wandinger, T. Wehr, G. Zadelhoff, THE EARTHCARE SATELLITE: THE NEXT STEP FORWARD IN GLOBAL MEASUREMENTS OF CLOUDS, AEROSOLS, PRECIPITATION AND RADIATION, Bulletin of the American Meteorological Society, doi: http://dx.doi.org/10.1175/BAMS-D-12-00227, 2015.09.
16. Ishimoto H., K. Okamoto, H. Okamoto, K. Sato, 1D-Var retrieval of middle to upper tropospheric humidity using AIRS radiance data, Journal of Geophysical Research, doi:10.1002/2014JD021706, 2014.05.
17. Kaori Sato, Hajime Okamoto, Refinement of global ice microphysics using spaceborne active sensors, J. Geophys. Res., doi:10.1029/2011JD015885, VOL. 116, D20202, 2011.10.
18. Sato Kaori, Okamoto Hajime, Takemura Toshihiko, Hiroshi Kumagai, Nobuo Sugimoto, Characterization of ice cloud properties obtained by shipborne radar/lidar over the tropical western Pacific Ocean for evaluation of an atmospheric general circulation model, J. Geophys. Res.,, doi:10.1029/2009JD012944, 115, D15203, 2010.08.
19. Sato Kaori, Okamoto Hajime, Masayuki Yamamoto, Shoichiro Fukao, Hiroshi Kumagai, Yuichi Ohno, Hiroaki Horie, Makoto Abo, 95-GHz Doppler radar and lidar synergy for simultaneous ice microphysics and in-cloud vertical air motion retrieval, J. Geophys. Res., doi:10.1029/2008JD010222, 114, D03203, 2009.02.
20. Sato Kaori, Okamoto Hajime, Characterization of Ze and LDR of nonspherical and inhomogeneous ice particles for 95-GHz cloud radar: Its implication to microphysical retrievals, J. Geophys. Res., doi:10.1029/2005JD006959, 111,D22213, 2006.11.
21. Okamoto Hajime, Sato Kaori, Yuichiro Hagihara, Global analysis of ice microphysics from CloudSat and CALIPSO: Incorporation of specular reflection in lidar signals, J. Geophys. Res.,, ,doi:10.1029/2009JD013383, 115, D22209, 2010.11.
22. Okamoto Hajime, Tomoaki Nishiawa, Takemura Toshihiko, Sato Kaori, Hiroshi Kumagai, Yuichi Ohno, Nobuo Sugimoto, Atsushi Shimizu, Ichiro Matsui, Teruyuki Nakajima, Vertical cloud properties in the tropical western Pacific Ocean: Validation of the CCSR/NIES/FRCGC GCM by shipborne radar and lidar, J. Geophys. Res., doi:10.1029/2008JD009812, 113, D24213, 2008.12.
23. Masayuki K. Yamamoto, Yuichi Ohno, Hiroaki Horie, Noriyuki Nishi, Okamoto Hajime, Sato Kaori, Hiroshi Kumagai, Mamoru Yamamoto, Hiroyuki Hashiguchi, Shuichi Mori, Noriko O. Hashiguchi, Hajime Nagata, Shoichiro Fukao, Observation of particle fall velocity in cirriform cloud by VHF and millimeter-wave Doppler radars, J. Geophys. Res, doi:10.1029/2007JD009125, 113,D12210, 2008.06.
24. Andrew J. Heymsfield, Alain Protat, Dominique Bouniol, Richard T. Austin, Robin J. Hogan, Julien Delanoë, Okamoto Hajime, Sato Kaori, Gerd-Jan van Zadelhoff, David P. Donovan, Zhien Wang, Testing IWC retrieval methods using radar and ancillary measurements with in situ data, J. Appl. Meteorol. Climatology, 47, 1, 135-163, 2008.01.
Works, Software and Database
1. .
Presentations
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1. Sato K., Okamoto H., Katagiri S., Global water cloud microphysics from active sensor synergy toward the EarthCARE mission, JpGU-AGU Joint Meeting, 2017.05.
2. Sato Kaori, Okamoto, Hajime, Space-borne active sensor cloud retrievals and evaluation by ground-based MFMSPL measurements, AGU fall meeting, 2015.12.
3. Sato Kaori, Okamoto Hajime, Hiroshi Ishimoto, Modeling lidar multiple scattering, The 27th International Laser Radar Conference, 2015.07.
4. K. Sato, Updated treatment for warm cloud microphysics: Its foundation and application, AOGS 11th Annual Meeting , 2014.07.
5. K. Sato, Retrieval performance of arctic cloud microphysics from Spaceborne active sensors, GRENE-AWI WS on Atmosphere Research 2014, 2014.10.
6. Sato Kaori, EarthCARE level 2 algorithms for CPR, ATLID; Development and Issues, CloudSat、CALIPSO、EarthCARE Joint Workshop, 2012.06.
Membership in Academic Society
  • American Geophysical Union
  • Meteorological Society of Japan
Educational
Educational Activities
Academic research and education at Interdisciplinary Graduate School of Engineering Sciences, Earth System Science and Technology, Atmospheric Physics Section.


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