Studies on Arctic aerosols and clouds during the ArCS project Reviewed International journal

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

Polar Science   2020.11

Wavelength dependence of ice cloud backscatter properties for space-borne polarization lidar applications Reviewed International journal

H. Okamoto, K.Sato, A. Borovoi, H. Ishimoto, K. Masuda, A. Konoshonkin, N. Kustova

Optics Express   28 ( 20 )   29178 - 29191   2020.9

Development of a 355-nm high-spectral-resolution lidar using a scanning Michelson interferometer for aerosol profile measurement Reviewed International journal

Y. JIN,T. NISHIZAWA, N. SUGIMOTO, S. ISHII, M. AOKI, K. SATO, H. OKAMOTO

Optics Express   2020.7

Application of single and multiple-scattering theories to analyses of space-borne cloud radar and lidar data Invited Reviewed International journal

Sato K., Okamoto H.

Springer Series in Light Scattering, SPRINGER NATURE   5   2020.2

Modeling the depolarization of space-borne lidar signals Reviewed International journal

K. Sato, H. Okamoto, H. Ishimoto

Optics Express   2019.2

Physical model for multiple scattered space-borne lidar returns from clouds Reviewed International journal

K. Sato, H. Okamoto, H. Ishimoto

Optics Express   2018.3

Cloud Remote Sensing by Active Sensors: New Perspectives from CloudSat, CALIPSO and EarthCARE Reviewed International journal

H. Okamoto and K. Sato

Springer Remote Sensing/Photogrammetry   2018.3

Development of Algorithm for Discriminating Hydrometeor Particle Types with a Synergistic Use of CloudSat and CALIPSO, Reviewed International journal

M. Kikuchi, Okamoto H., Sato.K, Y. Hagihara, K. Suzuki, N. Takahashi, G. Cesana, T. Hayasaka, R. Oki

Journal of Geophysical Research   122 ( 20 )   2017.10

Development of a multiple-field-of-view multiple-scattering polarization lidar: comparison with cloud radar Reviewed International journal

Okamoto H., K. Sato

OPTICS EXPRESS   24 ( 26 )   30053 - 30067   2016.12

THE EARTHCARE SATELLITE: THE NEXT STEP FORWARD IN GLOBAL MEASUREMENTS OF CLOUDS, AEROSOLS, PRECIPITATION AND RADIATION Reviewed International journal

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

Bulletin of the American Meteorological Society   2015.9

1D-Var retrieval of middle to upper tropospheric humidity using AIRS radiance data Reviewed International journal

Ishimoto H., K. Okamoto, H. Okamoto, K. Sato

Journal of Geophysical Research   2014.5

Refinement of global ice microphysics using spaceborne active sensors Reviewed International journal

Kaori Sato, Hajime Okamoto

J. Geophys. Res.   VOL. 116, D20202   2011.10

Global analysis of ice microphysics from CloudSat and CALIPSO: Incorporation of specular reflection in lidar signals Reviewed International journal

Okamoto Hajime, Sato Kaori, Yuichiro Hagihara

J. Geophys. Res.,   2010.11

Characterization of ice cloud properties obtained by shipborne radar/lidar over the tropical western Pacific Ocean for evaluation of an atmospheric general circulation model Reviewed International journal

Sato Kaori, Okamoto Hajime, Takemura Toshihiko, Hiroshi Kumagai, Nobuo Sugimoto

J. Geophys. Res.,   2010.8

95-GHz Doppler radar and lidar synergy for simultaneous ice microphysics and in-cloud vertical air motion retrieval Reviewed International journal

Sato Kaori, Okamoto Hajime, Masayuki Yamamoto, Shoichiro Fukao, Hiroshi Kumagai, Yuichi Ohno, Hiroaki Horie, Makoto Abo

J. Geophys. Res.   2009.2

Vertical cloud properties in the tropical western Pacific Ocean: Validation of the CCSR/NIES/FRCGC GCM by shipborne radar and lidar Reviewed International journal

Okamoto Hajime, Tomoaki Nishiawa, Takemura Toshihiko, Sato Kaori, Hiroshi Kumagai, Yuichi Ohno, Nobuo Sugimoto, Atsushi Shimizu, Ichiro Matsui, Teruyuki Nakajima

J. Geophys. Res.   2008.12

Observation of particle fall velocity in cirriform cloud by VHF and millimeter-wave Doppler radars Reviewed International journal

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

J. Geophys. Res   2008.6

Testing IWC retrieval methods using radar and ancillary measurements with in situ data Reviewed International journal

J. Appl. Meteorol. Climatology   47 ( 1 )   2008.1

Characterization of Ze and LDR of nonspherical and inhomogeneous ice particles for 95-GHz cloud radar: Its implication to microphysical retrievals Reviewed International journal

Sato Kaori, Okamoto Hajime

J. Geophys. Res.   2006.11

A climatological view of horizontal ice plates in clouds: Findings from nadir and off‐nadir CALIPSO observations Reviewed International journal

126 ( 9 )   2021.5

Development of direct-detection doppler wind lidar for vertical atmospheric motion Reviewed International journal

Ishii S., Aoki M., Tominaga K., Nishizawa T., Jin Y., Sugimoto N., Shibata Y., Sato A., Sato K., Okamoto H.,

EPJ Web Conf   2020.7

Development of synergetic-active sensor-system for evaluation of observations by EarthCARE Reviewed International journal

Okamoto H., Sato K., Fujikawa M., Oikawa E., Nishizawa T., Ishii S., Jin Y., Aoki M., Sugimoto N.

EPJ Web Conf   2020.7

Measurement of water mist particle size generated by rocket launch using a two-wavelength multi-static lidar, Applied Optics, 58(23) Reviewed International journal

Jin, Y., Sugimoto N., Nishizawa T., Yoshitomi T., Sawada A., Sarae W., Hattori A., Yamasaki Y., Okamoto H., Sato K.

Applied Optics   58(23)   2019.8

Analysis of cloud physical properties by CloudSat, CALIPSO and EarthCARE satellites Reviewed

Okamoto, H., K. Sato

J. Remote Sens. Soc. J   2019.7

Large-and-Sparse-particle Clouds (LSC): clouds which are subvisible for space-borne lidar and observable for space-borne cloud radar Reviewed International journal

Polar Science   2019.5

Next-generation-synergetic-observation-system for the unified analysis of CALIPSO, ADM-Aeolus and EarthCARE-ATLID Reviewed International journal

H. Okamoto,K. Sato, S. Ishii, M. Aoki, T. Nishizawa, N. Sugimoto, Y. Jin, Y. Ohno, H. Horie, M. Fujikawa

Proc. 19th Coherent Laser Radar Conference   2018.11

Development of Tm,Ho: YLF laser for future space-based doppler wind lidar Reviewed International journal

S. Ishii, A. Sato, M. Aoki, K. Akahane, S. Nagano, K. Nakagawa, K. Sato,H. Okamoto

Proc. SPIE 10779, Lidar Remote Sensing for Environmental Monitoring XVI, 1077903; doi: 10.1117/12.2324388   10779   2018.10

Active sensor synergy for Arctic cloud microphysics Reviewed International journal

K. Sato, H. Okamoto, S. Katagiri, M. Shiobara, M. Yabuki, T. Takano

EPJ web Conf.   2018.4

Refinement of the CALIOP cloud mask algorithm Reviewed International journal

Katagiri S., Sato K., Ohta K., Okamoto H

EPJ web conf.   2018.4

Application of multiple scattering polarization lidar for the evaluation of space-borne lidar algorithms, Reviewed International journal

Okamoto H., Sato K., Katagiri S., Fujikawa, M., Nishizawa T., Sugimoto N, Jin Y., Shimizu A., Ishimoto H.

EPJ web Conf.   2018.4

Power laws for the backscattering matrices in the case of lidar sensing of cirrus clouds Reviewed International journal

Kustova N.V., Konoshonkin A.V., Borovoi A., Okamoto H., Sato K., Katagiri S.

Proceedings of SPIE - The International Society for Optical Engineering   2017.11

Differences in cloud characteristic between Barents Sea and East Siberian Sea using CALIPSO data Reviewed

A. Yamauchi, K. Kawamoto, H. Okamoto, K. Sato

J. Remote Sens. Soc. J.   2017.11

Information Content of Cloud Physical Properties Derived From Satellite Active Remote Sensors Reviewed International journal

K. Sato, Okamoto H.

Current Problems in Atmospheric Radiation (IRS 2016),AIP Conf. Proc.   2017.3

Testing Hydrometeor Particle Type Discrimination derived from CloudSat and CALIPSO Reviewed International journal

M. kikuchi, Okamoto H., Sato.K, Y. Hagihara

Current Problems in Atmospheric Radiation (IRS 2016), AIP Conf. Proc.   2017.3

Relationship Between ice Supersaturation and Ice Microphysics Inferred From CloudSat, CALIPSO and AIRS Reviewed International journal

Okamoto H., Sato.K, Y. Hagihara, H. Ishimoto

Current Problems in Atmospheric Radiation (IRS 2016), AIP Conf. Proc.   2017.3

Development of multiple scattering polarization lidar to observe depolarization ratio of optically thick low level clouds Reviewed International journal

Okamoto H., K. Sato, T. Nishizawa, N. Sugimoto, Y. Jin

Current Problems in Atmospheric Radiation (IRS 2016), AIP Conf. Proc.   2017.3

Optical and microphysical properties of cirrus clouds retrieved from combined lidar and radar measurements Reviewed International journal

A. V. Konoshonkin, A. G. Borovoi, N. V. Kustova, Okamoto H., K. Sato

Proc. SPIE 10035,22nd International Symposium on Atmospheric and Ocean Optics   2016.11

Comparison between the physical-optics approximation and exact methods solving the problem of light scattering by ice crystals of cirrus clouds Reviewed International journal

A. V. Konoshonkin, N. V. Kustova, A. G. Borovoi, Okamoto H., K. Sato, H. Ishimoto

Proc. SPIE 10035, 22nd International Symposium on Atmospheric and Ocean Optics   2016.11

Modeling lidar multiple scattering Reviewed International journal

K. Sato, H. Okamoto, H. Ishimoto

27th International Laser Radar Conference, in press   2015.9

Depolarization ratio of clouds measured by multiple-field of view multiple scattering polarization lidar Reviewed International journal

H. Okamoto, K. Sato, Toshiyuki Makino, Tomoaki Nishizawa, Yoshitaka Jin, Nobuo Sugimoto, Atsushi Shimizu

27th International Laser Radar Conference, in press   2015.9

EVALUATION OF RETRIEVAL ALGORITHMS FOR ICE MICROPHYSICS USING CALIPSO /CLOUDSAT AND EARTHCARE Reviewed International journal

H. Okamoto, K. Sato, Yuichiro Hagihara, Hiroshi Ishimoto, Anatoli Borovoi, Alexander Konoshonkin, Natalia Kustova

27th International Laser Radar Conference, in press   2015.9

Detection and analyses of hydrometeor properties from EarthCARE data Reviewed International journal

Sato Kaori, Okamoto Hajime

Current Problems in Atmospheric Radiation (IRS2012), International Radiation Symposium, Vol.1531,AIP Conf. Proc.   2013.5

Development of level 2 algorithms for EarthCARE CPR/ATLID Reviewed International journal

Okamoto Hajime, Sato Kaori, Hagihara Yuichiro, Tomoaki Nishizawa

Current Problems in Atmospheric Radiation (IRS2012), International Radiation Symposium, Vol.1531,AIP Conf. Proc.   2013.5

NUMERICAL AND THEORETICAL ANALYSIS OF HYDROMETEOR PROPERTIES OBSERVED BY SPACEBORNE LIDAR AND RADAR Reviewed International journal

Sato, K., H., Okamoto

Reviewed and Revised Papers, 26th International Laser Radar Conference   2012.5

Retrieved ice microphysics from CALIPSO and CloudSat and horizontally oriented ice plates Reviewed International journal

Okamoto, H., K. Sato, Y. Hagihara, T. Matsumoto, A, Borovoi

Reviewed and Revised Papers, 26th International Laser Radar Conference,   2012.5

EARTHCARE SCIENCE MISSION OBJECTIVES Reviewed International journal

S. Katagiri, R. Oki a, S. Shimizu a, T. Kimura a, T. Nakajima b, H. Okamoto c N. Sugimoto d, T. Y. Nakajima, M. Sato, Y. Takayabu, K. Sato, T. Nishizawa, T. Matsui, Y. Hagihara,

Remote Sensing and Spatial Information Science   2010.8

Application of optimal estimation to retrieve hydrometeor properties from lidar/radar method Reviewed International journal

Sato k., H. Okamoto

Proceedings of 25th International Laser Radar Conference (ILRC25)   2010.7

Ice cloud microphysics from CloudSat and CALIOP: Analysis of oriented crystals Reviewed

Okamoto, H., K. Sato, Y. Hagihara, M. Hirakata

Proceedings of 25th International Laser Radar Conference (ILRC25)   2010.7

Cloud microphysics and dynamical characteristics inferred from cloud radar, lidar and satellite data International journal

Sato K

Proceedings of the EarthCARE Workshop, 2009   2009.10

Global analyses of ice cloud properties from CloudSat and CALIPSO International journal

Okamoto, H., K. Sato., Y. Hagihara, R. Yoshida

The EathCARE Workshop 2009 Proceedings   2009.10

Sensitivity study for the interpretation of Doppler signal of space-borne 95-GHz cloud radar Reviewed International journal

Sato,K., H. Okamoto, Y. Hagihara

Current Problems in Atmospheric Radiation (IRS 2008): Proceedings of the International Radiation Symposium   2009.4

Multi-wavelength radar algorithm, with Doppler function for the retrieval of cloud microphysics with precipitation Reviewed International journal

Okamoto, H., K. Sato, S. Otomo, Y. Hagihara, R. Yoshida, K. Iwanami, T. Maesaka, M. Murakami, N. Orikasa, M. Nakazato, H. Yamauchi, H. Inoue

Current Problems in Atmospheric Radiation (IRS2008), Proc. International Radiation Symposium   2009.4

Retrieval of ice cloud microphysics by synergy use of CloudSat and CALIPSO data Reviewed International journal

Okamoto, H., K. Sato., Y. Hagihara

Current Problems in Atmospheric Radiation (IRS 2008): Proceedings of the International Radiation Symposium   2009.4

Statistical property of ice cloud characteristic in relation to the environment Reviewed International journal

Sato, K., H. Okamoto, N. Sugimoto, H. Kumagai, Y. Ohno, T. Takano

Proceedings of IUGG XXIV General Assembly   2008.1

Development of algorithms for air-motion, ice sedimentation and microphysics using lidar and radar Reviewed International journal

Sato, K., H. Okamoto, T. Takmura, N. Sugimoto, H. Kumagai

Reviewed and revised papers presented at the 23rd International laser radar conference, Ed. C. Nagasawa and N. Sugimoto, The 23rd ILRC   2006.7

Microphysics of clouds and aerosols by combined use of lidar and cloud radar Reviewed International journal

Okamoto H., T. Nishizawa, K. Sato, S. Otake, M. Sensu, T. Takemura, N. Sugimoto, I. Matsui, A. Shimizu, H. Kumagai, Y. Ohno, T. Takano, T. Nakajima

Reviewed and revised papers presented at the 23rd International laser radar conference, Ed. C. Nagasawa and N. Sugimoto, The 23rd ILRC   2006.7

The effects of nonsphericity and variation in ice crystal bulk density on 95GHz cloud radar signals Reviewed International journal

Sato, K., and H. Okamoto

IRS 2004: Current problems in Atmospheric Radiation   2006.1

EarthCARE level 2 algorithms for CPR, ATLID; Development and Issues International conference

Sato Kaori

2012.6 

Characterization of cloud microphysical processes from analysis of active satellite sensors with an improved retrieval scheme International conference

Sato, K. and H. Okamoto

CALIPSO-CloudSat Science Team meeting  2011.6 

Observation and model study of cloud microphysics and weather regime classification International conference

Sato, K., H. Okamoto, T. Takemura

AMS13th Conference on Cloud Physics/13th Conference on Atmospheric Radiation  2010.6 

衛星搭載雲レーダ・ライダ複合利用による全球雲解析

日本気象学会秋季大会  2024.10 

K2W, una nuova metodologia per la validazione delle misure satellitari di precipitazione da radar in banda W usando dati ground-based di Micro Rain Radar e disdrometro: risultati dalla stazione Antartica “Mario Zucchelli” International conference

5° Congresso Nazionale AISAM  2024.2 

Evaluation of EarthCARE Standard and Research Products for Cloud and Precipitation

Sato, K., Baldini, L., Bracci, A.,, Okamoto, H.

ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop  2023.11 

Assessment of the environmental conditions for the generation of ice particle types from A-train observations International conference

Komatsu, S., Sato, K.

ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop  2023.11 

K2W, a methodology for evaluating spaceborne W-band Doppler radar using Micro Rain Radar and disdrometer: results from an Italian station in Antarctica International conference

Bracci, A., Sato, K., Baldini, L., Porcu;, F. and Okamoto, H.

ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop  2023.11 

Evaluation of EarthCARE Standard and Research Products for Cloud and Precipitation International conference

Sato, K., Baldini, L. Bracci, A.

The Joint PI Meeting of JAXA Earth Observation Missions  2023.11 

Global analysis of cloud-particle categories with their physical properties International conference

Sato, K., Komatsu, S., Okamoto, H.

ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop  2023.11 

Cloud physical processes inferred from space-borne cloud radar International conference

Sato, K., Okamoto, H.

28th IUGG General Assembly  2023.7 

Evaluation of EarthCARE Standard and Research Products for Cloud and Precipi International conference

Sato, K., Baldini, L., Bracci, A.

The Joint PI Meeting of JAXA Earth Observation Missions  2022.11 

Vertical air motion in clouds by Doppler cloud radar and lidar

Toyota et al.

Meteorological Society of Japan Autumn Meeting  2022.10 

Generation mechanism of characteristics of precipitations in the Arctic

Wu et al.

Meteorological Society of Japan Autumn Meeting  2022.10 

On Comparing 94 GHz Satellite Measurements with a Micro Rain Radar and Disdrometer Observations in an Antarctic Site International conference

Bracci, A., Sato, K., Baldini, L., Porcu, F. and Okamoto, H.

11th European Conference on Radar in Meteorology and Hydrology  2022.8 

Cloud and Precipitation Retrievals from Space-borne Doppler Cloud Profiling Radar International conference

Sato, K., E.Oikawa, H. Ishimoto and H. Okamoto

International Radiation Symposium  2022.7 

Spaceborne doppler radar observation in clouds and precipitation International conference

Sato, K., Baldini, L., Bracci, A., Okamoto, H.

Japan Geoscience Union Meeting  2022.5 

Cloud, Aerosol and Radiation Explorer for Understanding Clouds and the Climate System Invited International conference

Sato K.

SDGs Think & Act Together  2021.3 

Japanese science update for 33rd EarthCARE JMAG Invited International conference

H. Okamoto,Y. Ohno, T. Nishizawa, T. Nakajima, K. Suzuki, M. Satoh, K. Sato, Y. Hagihara, Y. Jin, M. Wang, E. Oikawa, W. Roh.

33th JMAG Meeting  2020.11 

Japanese science update for 34th EarthCARE JMAG Invited International conference

H. Okamoto,Y. Ohno, T. Nishizawa, T. Nakajima, K. Suzuki, M. Satoh, K. Sato, Y. Hagihara, Y. Jin, M. Wang, E. Oikawa, W. Roh.

34th JMAG Meeting  2020.5 

EarthCARE L2 cloud/precipitation retrieval algorithms International conference

Sato K. , Okamoto H., Oikawa E.

39th international conference on radar meteorology  2019.9 

Studying cloud and drizzle from space borne active sensors International conference

Sato K., Okamoto H., Ishimoto, H.

27th IUGG General Assembly  2019.7 

EarthCARE L2 algorithms for cloud and precipitation International conference

Sato K., Okamoto H., Ishimoto H.

JPGU meeting  2019.5 

Global analysis of water cloud processes from active sensors International conference

Sato K., Okamoto H.

EGU General Assembly  2018.4 

Simulations and ground-based observations for cloud studies from space-borne lidars International conference

Sato K., Okamoto H.

Aeolus cal/val & science workshop  2019.3 

Physical model for spaceborne active sensors Invited International conference

Sato K., Okamoto H.

Recent Advances in LIDAR and imaging technologies in turbid media  2018.11 

Application of a physical model to satellite-borne active sensors for cloud process studies International conference

Sato K., Okamoto H.

SPIE Asia-Pacific remote sensing  2018.9 

Physical model approach (PM) for the analysis of active sensor systems International conference

Sato K., Okamoto H., Ishimoto H., Ishii S.

19th Coherent Laser Radar Conference  2018.6 

EarthCARE L2 cloud/precipitation algorithms International conference

Sato K., Okamoto H., Ishimoto H., Katagiri S.

7th International EarthCARE Science Workshop & 1st ESA EarthCARE Validation Workshop  2018.6 

Development and Application of a physical model-based active sensor retrieval scheme International conference

Sato K., Okamoto H., Ishimoto H.

JpGU Meeting  2018.5 

Cloud and precipitation properties by radar reflectivity factor and path integral attenuation from
CloudSat and CALIPSO International conference

#Sakai,Y., Okamoto H., Sato K., Katagiri S.

Asian conference on metrology 2017  2017.10 

MODIS- CALIPSO-CloudSat synergy for the analysis of ice cloud microphysics International conference

#Kitagata H., Okamoto H., Sato K., Katagiri S., Ishimoto, H.

Asian conference on metrology 2017  2017.10 

Relationship of backscatter color ratio, lidar ratio and depolarization ratio of ice, water and aerosols and the wavelength-dependence International conference

#Kitahara T., Okamoto H., Sato K., Katagiri S.,

Asian conference on metrology 2017  2017.10 

Active sensor synergy for Arctic cloud microphysics International conference

Sato K., Okamoto H., Katagiri S., Shiobara M., Yabuki M., Takano, T.

28th International Laser-Radar Conference  2017.6 

Cloud observations from the Arcs and EarthCARE project Invited International conference

Sato K., Okamoto H.

Clouds, their Properties, and their Climate Feedbacks  2017.6 

The EarthCare mission: Understanding the global Cloud-Radiation distributions International conference

Sato K., Okamoto H., Katagiri S.

GS10 Satellite Conference  2017.5 

Water cloud retrievals from satellite measurement Invited International conference

Sato K., Okamoto H.

Japan-Germany WS  2016.11 

Cloud microphysics retrieval combining active sensors toward EarthCARE space mission Invited International conference

Sato K., Okamoto H.

Recent Advances in LIDAR and imaging technologies in turbid media  2016.11 

衛星搭載ライダを用いた新しい水雲プロダクト

日本気象学会秋季大会  2016.10 

衛星搭載アクティブセンサを用いた北極域の雲特性解析

日本気象学会2016年度春季大会  2016.5 

INFORMATION CONTENT IN CLOUD PHYSICAL PROPERTIES DERIVED FROM SATELLITE ACTIVE REMOTE SENSORS International conference

Sato Kaori, Okamoto, Hajime

International Radiation Symposium  2016.4 

Global analysis of generation mechanism of ice microphysics inferred from space-borne active sensors and infrared sounder International conference

Okamoto, Hajime, Sato Kaori, Hiroshi Ishimoto, Yuichiro Hagihara

AGU fall meeting  2015.12 

Depolarization ratio of clouds measured by multiple-field of view multiple scattering polarization lidar International conference

Okamoto, Hajime, Sato Kaori, Toshiyuki Makino, Tomoaki Nishizawa, Yoshitaka Jin, Nobuo Sugimoto, Atsushi Shimizu

27th International Laser Radar Conference  2015.7 

EVALUATION OF RETRIEVAL ALGORITHMS FOR ICE MICROPHYSICS USING CALIPSO /CLOUDSAT AND EARTHCARE International conference

Okamoto, Hajime, Sato Kaori, Yuichiro Hagihara, Hiroshi Ishimoto, Anatoly Borovoi, Alexander Konoshonkin, Natalia Kustova

27th International Laser Radar Conference  2015.7 

Global analysis of ice microphysics and ice super-saturation from CloudSat, CALIPSO and AIRS International conference

Okamoto, Hajime, Sato Kaori, Hiroshi Ishimoto, Kenta Tanaka

26th IUGG General Assembly  2015.6 

Satellite remote sensing of vertically resolved cloud microphysics and water vapor International conference

Sato Kaori, Okamoto Hajime, Hiroshi Ishimoto

26th IUGG General Assembly  2015.6 

Assessing global microphysics of warm cloud and light precipitation from active sensors International conference

K. Sato, H. Okamoto, H. Ishimoto

AGU fall meeting  2014.12 

Relationship between ice cloud microphysics and supersaturation from spaceborne cloud radar, lidar and infrared sounder International conference

#Kenta Tanaka, Okamoto, Hajime, Sato Kaori, Hiroshi Ishimoto

AGU Fall Meeting  2014.12 

Evaluation of ice cloud retrievals using CloudSat/CALIPSO/MODIS/AIRS and EarthCARE International conference

Okamoto, Hajime, Sato Kaori, Yuichiro Hagihara, Kenta Tanaka, Hiroshi Ishimoto, Toshiyuki Makino, Tomoaki Nishizawa, Nobuo Sugimoto

AGU Fall Meeting  2014.12 

Development of Multi-Field of view-Multiple-Scattering-Polarization Lidar : analysis of angular resolved backscattered signals International conference

#Toshiyuki Makino, Okamoto, Hajime, Sato Kaori, Kenta Tanaka, Tomoaki Nishizawa, Nobuo Sugimoto, Ichiro Matsui, Yoshitaka Jin, Akihiro Uchiyama, Rei Kudo

AGU Fall Meeting  2014.12 

衛星搭載アクティブセンサ複合解析手法の改良：下層雲への適用

佐藤 可織

日本気象学会2014年度秋季大会  2014.10 

衛星搭載アクティブセンサによる氷粒子の波長比と微物理特性の解析

岡本　創, 佐藤 可織, 萩原 雄一朗

気象学会秋季大会  2014.10 

光学的に厚い下層雲の観測を目的とした多視野角・多重散乱ライダーの開発

牧野　利行, 岡本　創, 佐藤 可織, 田中健太, 西澤智明, 杉本伸夫, 松井一郎, 神　慶孝

気象学会秋季大会  2014.10 

衛星搭載雲レーダ・ライダ・赤外サウンダの複合利用による氷水量と過飽和度の解析

田中健太, 岡本　創, 佐藤 可織, 石元裕史

気象学会秋季大会  2014.10 

EarthCARE L2 algorithm development for cloud microphysics International conference

K. Sato

EarthCARE Workshop 2014  2014.9 

衛星搭載雲レーダ・ライダ・赤外サウンダの複合利用による氷雲微物理特性と水蒸気量の解析

田中健太, 岡本　創, 佐藤 可織, 石元裕史

第32回レーザセンシングシンポジウム  2014.9 

Mulyi-Field of view Multiple scattering -Polarization lidar　development for observation of low level clouds

牧野利行, 岡本　創, 佐藤 可織, 西澤智明, 杉本伸夫, 松井一郎, 神　孝孝

第32回レーザセンシングシンポジウム  2014.9 

Development of EarthACARE CPR, ATLID and MSI algorithms for cloud microphysics retrievals Invited International conference

Okamoto, Hajime, Sato Kaori, Yuichiro Hagihara, Hiroshi Ishimoto, Anatoli Borovoi

Asia Oceania Geosciences Society (AOGS) 11th Annual Meeting  2014.7 

Analysis of Cloud Microphysics by Using CloudSat, CALIPSO and AIRS Invited International conference

Okamoto, Hajime, Sato Kaori, Toshiyuki Makino, Kenta Tanaka, Hiroshi Ishimoto

Asia Oceania Geosciences Society (AOGS) 11th Annual Meeting  2014.8 

Humidity around ice clouds in middle to upper tropospheric retrieved by using AIRS radiance data International conference

Asia Oceania Geoscience Society (AOGS) 11th Annual Meeting 2014  2014.7 

赤外サウンダAIRSデータの1DVARリトリーバルから推定した北極域対流圏中上層の水蒸気場とCloudSat/CALIPSO解析による雲情報との関係

石元裕史, 岡本幸三, 岡本　創, 佐藤 可織

気象学会春季大会  2014.5 

CloudSat-CALIPSO-AIRS衛星の複合利用による過飽和度と氷雲微物理特性の解析

岡本　創, 佐藤 可織

気象学会春季大会  2014.5 

Development of level 2 algorithms for CPR, CPR-ATLID, and CPR-ATLID-MSI Invited International conference

Okamoto, Hajime, Sato Kaori, Yuichiro Hagihara

Joint PI workshop of environment observation mission 2014  2014.1 

衛星搭載アクティブセンサ解析データ利用に向けたアルゴリズム開発と課題

佐藤 可織

日本気象学会秋季大会  2013.11 

CPR-only level2a product for EarthCARE Invited International conference

Okamoto, Hajime, Sato Kaori

EarthCARE Joint Algorithm Development Endeavor meeting  2013.7 

CPR-ATLID/CPR-ATLID-MSI products and algorithms Invited International conference

Okamoto, Hajime, Sato Kaori

EarthCARE Joint Algorithm Development Endeavor meeting  2013.7 

Investigation of clouds, precipitation and aerosol processes at high latitudes International conference

Kaori Sato, Hajime Okamoto

Davos Atmosphere and Cryosphere Assembly DACA-13  2013.7 

Ice particle type and microphysics in high latitudes by spaceborne active sensors : regional characteristic and annual variability International conference

Okamoto, Hajime, Sato Kaori, Yuichiro Hagihara, Hiroshi Ishimoto

Davos-Atmosphere and Cryosphere Assembly,  2013.7 

CPR/CPR-ATLID/CPR-ATLID-MSI products and algorithms Invited International conference

Okamoto, Hajime, Sato Kaori

EarthCARE science meeting  2013.6 

Detectability of ice and precipitation from active sensors at optically thick region International conference

Sato Kaori, Okamoto Hajime

AGU Fall meeting 2012  2012.12 

衛星搭載アクティブセンサの光学的に厚い領域における取り扱い

佐藤 可織, 岡本 創

日本気象学会2012年度秋季大会  2012.10 

Detection and analyses of hydrometeor properties from EarthCARE data International conference

Sato Kaori, Okamoto Hajime

International Radiation Symposium 2012  2012.8 

NUMERICAL AND THEORETICAL ANALYSIS OF HYDROMETEOR PROPERTIES OBSERVED BY SPACEBORNE LIDAR AND RADAR International conference

Sato Kaori, Okamoto Hajime

26th International Laser Radar Conference  2012.6 

Extended analysis of space borne active sensors for the interpretation of observed and simulated global cloud physical properties International conference

Sato, K., H. Okamoto

AGU FALL MEETING 2011  2011.12 

衛星搭載アクティブセンサによる雲全域解析を目的としたアルゴリズムの拡張

佐藤可織、岡本創

日本気象学会2011年度秋季大会  2011.11 

Synergy algorithms Invited International conference

Sato, K., H. Okamoto

EarthCARE JADE Fourth Meeting  2011.10 

Treatment of particle types in a refined cloud microphysics retrieval scheme International conference

Sato Kaori

XXV IUGG GENERAL ASSEMBLY  2011.6 

衛星搭載能動型センサによる雲・降水粒子プロダクトと全球解析

佐藤可織、岡本創

日本気象学会秋季大会  2010.10 

Application of optimal estimation to retrieve hydrometeor properties from lidar/radar method International conference

Sato, K., H. Okamoto

25th International Laser Radar Conference (ILRC25)  2010.7 

Development of synergy algorithms and products for CPR and ATLID on EarhCARE Invited International conference

Sato. K, H. Okamoto, Y. Hagihara

Joint Algorithm Development for EarthCARE (JADE) meeting  2010.6 

衛星搭載雲レーダ／ライダ複合利用による雲プロダクト用アルゴリズムの開発 II

佐藤可織、岡本創

日本気象学会春季大会  2010.5 

衛星搭載雲レーダ／ライダ複合利用による雲プロダクト用アルゴリズムの開発

佐藤可織、岡本創、片桐秀一郎

日本気象学会秋季大会  2009.11 

Use of CloudSat/CALIPSO data to assess the usuage of EarthCARE Doppler International conference

Sato, K., H. Okamoto

The 2nd joint CloudSat-CALIPSO Science Team meeting  2009.7 

Cloud microphysics and dynamical characteristics inferred from cloud radar, lidar and satellite data International conference

Sato, K

The EarthCARE workshop  2009.7 

雲レーダ・ライダ／衛星観測データ及び気候モデルを用いた雲微物理特性の再現性に関する研究

佐藤可織、岡本創、竹村俊彦

日本気象学会春季大会  2009.5 

Sensitivity study for the interpretation of Doppler signal of space-borne 95-GHz cloud radar International conference

Sato, K., and H. Okamoto

International Radiation Symposium (IRS2008)  2008.8 

CloudSatデータを用いた雲微物理特性の解析及びその抽出精度の検証

佐藤可織、岡本 創

日本気象学会春季大会  2008.5 

多波長ドップラーレーダを用いた降雪/降雨シーンにおける微物理特性抽出法に関する研究

佐藤可織、大友章太郎、岡本 創

日本気象学会春季大会  2008.5 

船舶搭載能動型測器と衛星観測データによる気象場、放射場と上層雲の巨視的構造・ 微物理特性の解析

佐藤可織、岡本 創

日本気象学会秋季大会  2007.10 

Property of ice cloud characteristic in relation to the environment International conference

Sato, K., H. Okamoto, N. Sugimoto, T. Nishizawa, H. Kumagai, Y. Ohno, H. Horie

The International Union of Geodesy and Geophysics (IUGG2007)  2007.7 

Microphysics Cloud Dynamical and Microphysical Retrieval by 95GHz Doppler Radar and Lidar: Implication to Satellite Platforms International conference

Sato, K., H. Okamoto, N. Sugimoto, T. Nishizawa, H. Kumagai, Y. Ohno, H. Horie

EarthCARE workshop  2007.5 

氷晶雲微物理量抽出とクラスター解析の適用結果

佐藤可織、岡本 創、杉本伸夫、熊谷博、大野裕一

日本気象学会春季大会  2007.5 

みらい搭載雲レーダー・ライダーと衛星データを用いた上層雲と環境場の解析

佐藤可織、岡本創、増子直樹、西澤智明、杉本伸夫、鷹野敏明

ブルーアースシンポジウム  2007.3 

Cloud Microphysics and Dynamical Characteristics of Tropical Ice Clouds inferred from Cloud Radar and Lidar International conference

Sato, K., and H. Okamoto,

Hyperspectral Imaging and Sounding of the Environment Topical Meeting 2007  2007.2 

Relation among ice cloud properties and in-cloud vertical air motion retrieved by synergy of radar and lidar International conference

Sato, K., and H. Okamoto

2006.11 

氷晶雲の消滅過程と雲内鉛直流について

佐藤可織、岡本 創、山本真之、熊谷博、大野裕一、堀江宏昭

日本気象学会秋季大会  2006.10 

Microphysics and sedimentation velocity of ice clouds International conference

Sato, K., H. Okamoto, M. Yamamoto, H. Kumagai, Y. Ohno, H. Horie

The Third International SOWER Meeting  2006.7 

Ice cloud microphysical properties and their relation to the dissipation process observed by ship-borne cloud radar International conference

Sato, K., H. Okamoto, T. Takemura

The 12th Conference on Cloud Physics  2006.7 

Development of algorithms for air-motion, ice sedimentation and microphysics using lidar and radar International conference

Sato, K., H. Okamoto, T. Takemura, N. Sugimoto, H. Kumagai

23rd International LASER Conference  2006.7 

アジア域と熱帯域における氷晶雲微物理特性抽出；気候モデルの検証

佐藤可織、岡本創、西澤智明、竹村俊彦、熊谷博、鷹野敏明、藤吉康志

ブルーアース2006シンポジウム(みらいシンポジウム)  2006.2 

雲レーダより抽出された氷晶雲微物理特性の鉛直構造に関して

佐藤可織、岡本創、竹村俊彦

日本気象学会秋季大会  2005.11 

Retrieval of microphysical properties of ice clouds in tropics by combinational use of linear depolarization and Doppler functions in 95GHz cloud radar International conference

Sato, K., and H. Okamoto

International Association of Meteorology and Atmospheric Sciences (IAMAS 2005)  2005.8 

Characterization of ice cloud over the western Pacific Ocean by cloud radar; Preliminary study of its microphysics International conference

Sato, K., and H. Okamoto

ABC-EAREX05 Work shop  2005.7 

95GHz雲レーダによる氷晶雲の微物理量の抽出

佐藤可織、岡本創、熊谷博

日本気象学会春季大会  2005.4 

雲レーダの交差偏波とドップラー速度を用いた巻雲の理論的解析

佐藤可織、岡本創、熊谷博

日本気象学会秋季大会  2004.9 

The effects of nonsphericity and variation in ice crystal bulk density on 95 GHz cloud radar signals International conference

Sato, K., and H. Okamoto

The international Radiation Symposium (IRS) 2004  2004.8 

95GHz雲レーダに対する氷粒子の密度低下の影響評価

佐藤可織、岡本創

日本気象学会春季大会  2004.5 

座長（Chairmanship）

日本気象学会  （ 福岡 ） 2014.10

衛星搭載雲レーダ、高スペクトル分解 ライダ、受動型センサによる雲解析アルゴリズム開発(2021年度)

2021

受託研究(宇宙航空研究開発機構)

衛星搭載雲レーダ、高スペクトル分解 ライダ、受動型センサによる雲解析アルゴリズム開発(2020年度)

2020

受託研究(宇宙航空研究開発機構)

衛星搭載雲レーダ、高スペク トル分解ライダ、受動型センサによる雲解析アルゴリズム開発

2019

受託研究(宇宙航空研究開発機構)

Cloud-radiation and Climate feedbacks / Satellite multi-sensor cloud and aerosol observations

2019

EarthCARE Cal/Val AO International coauthorship

2018.4 - 2025.3

ESA 

衛星搭載アクティブセンサによる多重散乱を考慮した雲・降水システムの解明

2018.4 - 2021.3

Aeolus ESA CAL/VAL International coauthorship

2018.3 - 2020.3

ESA 

衛星搭載アクティブセンサによる多重散乱を考慮した雲・降水システムの解明

Grant number：18K03745  2018 - 2020

日本学術振興会  科学研究費助成事業  基盤研究(C)

粒子散乱モデルと衛星・地上ライダ/レーダ解析技術の高度化

2018 - 2020

応用力学研究所 共同利用・一般研究

雲プロファイリングレーダ/ライダの地表面散乱と降水・降雪の散乱素過程に関する研究

2018

委託研究(宇宙航空研究開発機構)

EarthCAREのCPR単体、CPR-ATLID 複合、CPR-ATLID-MSI複合高次アルゴリズムの開発(その4)

2018

受託研究(宇宙航空研究開発機構)

次世代型アクティブセンサ搭載衛星の複合解析による雲微物理特性・鉛直流研究

2017.4 - 2022.3

次世代型アクティブセンサ搭載衛星の複合解析による雲微物理特性・鉛直流研究

Grant number：17H06139  2017 - 2021

日本学術振興会  科学研究費助成事業  基盤研究(S)

全球雲・エアロゾル微物理特性解明のための次世代型アクティブセンサシステム

Grant number：17H01162  2017

日本学術振興会  科学研究費助成事業  基盤研究(A)

EarthCAREのCPR単体、CPR-ATLID複合、CPR-ATLID-MSI複合高次アルゴリズムの開発（その３)

2017

JAXA受託研究

EarthCAREのCPR単体、CPR-ATLID複合、CPR-ATLID-MSI複合高次アルゴリズムの開発（その2)

2016

JAXA受託研究

北極域研究推進プロジェクト（ArCS: Arctic Challenge for Sustainability） International coauthorship

2015.9 - 2020.3

衛星搭載ライダを用いた下層雲微物理量の全球特性解析

2015.4 - 2018.3

北極域研究推進プロジェクト(ArCS: Arctic Challenge for Sustainability）「北極気候に関わる大気物質 地上レーダ・ライダおよび衛星データ解析」

2015 - 2020

環境技術等研究開発推進事業費補助金(文部科学省)

衛星搭載ライダを用いた下層雲微物理量の全球特性解析

Grant number：15K17762  2015 - 2017

科学研究費助成事業  若手研究(B)

EarthCAREのCPR単体、CPR-ATLID複合、CPR-ATLID-MSI複合高次アルゴリズムの開発 (その1)

2015

JAXA受託研究

複合雲解析アルゴリズムのための衛星赤外サウンダを使った水蒸気プロファイル解析手法の開発

2014

応用力学研究所共同利用研究、一般研究

雲内液相・固相共存領域に適用可能なアクティブセンサ複合解析技術の開発

2014

九州大学教育研究プログラム・研究拠点形成プロジェクト

多重散乱ライダ・雲レーダの複合観測システムの構築と全球雲微物理特性解析

Grant number：22340133  2013 - 2016

日本学術振興会  科学研究費助成事業  基盤研究(A)

Development of level 2 algorithms for CPR, CPR-ATLID and CPR-ATLID-MSI.

2012 - 2015

地上ライダーネットワークおよび衛星搭載ライダデータを用いたエアロゾル光学特性の時間空間変動研究 (Study on spatial and temporal variation of aerosol optical properties using ground-based lidar network data and space-borne lidar data)

2012 - 2014

応用力学研究所共同利用研究、一般研究

ウィンドプロファイラの鉛直流測定を活用した雲・降水の定量的測定 (Quantitative retrieval of cloud and precipitation properties using vertical wind profiles measured by wind profiler radars)

2012 - 2014

応用力学研究所共同利用研究、特定研究

全球気候モデルとアクティブセンサ搭載衛星計測データを用いた雲‐放射‐力学相互作用過程の研究(Study on cloud-radiation-dynamics feedback processes using a global climate model and satellite data)

2012

応用力学研究所共同利用研究、一般研究

GRENE 北極気候変動研究事業 International coauthorship

2011.7 - 2016.3

雲微物理構造の時空間分布及び雲の維持機構の解明

2011.4 - 2014.3

EarthCARE/CPRを用いた高次プロダクト導出アルゴリズム開発およびCPRとATＬIDを用いた高次複合プロダクト導出アルゴリズム開発

2011.4 - 2012.3

受託研究

Arctic Climate Change Research Project ‘Rapid Change of the Arctic Climate System and its Global Influences’

2011 - 2015

"Green Network of Excellence" Program (GRENE Program) 国立極地研究所

雲微物理構造の時空間分布及び雲の維持機構の解明

Grant number：23740358  2011 - 2013

科学研究費助成事業  若手研究(B)

衛星搭載アクティブセンサーによる雲微物理特性導出とその生成機構の解明

Grant number：22340133  2011 - 2013

日本学術振興会  科学研究費助成事業  基盤研究(B)

EarthCARE/CPRアルゴリズム開発およびCPR/ATLID複合アルゴリズムの開発

2010.5 - 2011.3

受託研究

EarthCARE Joint Mission Advisory Group(JMAG), Joint Algorithm Development Endeavour (JADE) International coauthorship

2010.4 - 2025.3

雲エアロゾル放射ミッション(EarthCARE) RA

2010.4 - 2020.3

宇宙航空研究開発機構(JAXA)、欧州宇宙機関(ESA) 

雲・エアロゾル衛星による全球雲微物理特性と雲内力学場に関する研究

2010

九州大学教育研究プログラム・研究拠点形成プロジェクト

衛星搭載レーダ・ライダを用いた雲微物理特性及び鉛直流に関する研究

2009

日本学術振興会  科学研究費助成事業  特別研究員奨励費

CALIPSO/CloudSatサイエンスチーム International coauthorship

2008.4 - 2015.4

ジェット推進研究所（米国) 

能動型測器を用いた氷晶雲の巨視的構造 と微物理特性の関係解明に関する研究

2006 - 2008

日本学術振興会  科学研究費助成事業  特別研究員奨励費

総合理工学セミナーF

2022.4 - 2023.3   Full year

lectures in remote sensing

2021.12 - 2022.2   Winter quarter

大気と海洋の環境学入門Ｂ

2021.6 - 2021.8   Summer quarter

2018.11

Staying countory name 1：United States   Staying institution name 1：Florida Atlantic University/Harbor Branch Oceanographic Institute

2017.6

Staying countory name 1：Romania   Staying institution name 1：Politehnica, University of Bucharest

2017.6

Staying countory name 1：Netherlands   Staying institution name 1：European Space Agency, ESTEC

2017.6

Staying countory name 1：United States   Staying institution name 1：Columbia University

2016.11

Staying countory name 1：Canada   Staying institution name 1：l'Institut National d'optique

2016.6

Staying countory name 1：Netherlands   Staying institution name 1：European Space Agency, ESTEC

2016.4

Staying countory name 1：New Zealand   Staying institution name 1：University of Auckland

2015.4

Staying countory name 1：Netherlands   Staying institution name 1：European Space Agency, ESTEC

2013.7

Staying countory name 1：Netherlands   Staying institution name 1：European Space Agency, ESTEC

2012.8

Staying countory name 1：Germany   Staying institution name 1：Freie Universität Berlin

2012.6

Staying countory name 1：France   Staying institution name 1：Institut of Oceanografique

2011.6

Staying countory name 1：Canada   Staying institution name 1：McGill University

2010.12

Staying countory name 1：Netherlands   Staying institution name 1：European Space Agency

2009.12

Staying countory name 1：Netherlands   Staying institution name 1：European Space Agency, ESTEC

2009.2 - 2009.3

Staying countory name 1：United States   Staying institution name 1：The City College of New York

2008.5 - 2008.6

Staying countory name 1：Netherlands   Staying institution name 1：European Space Agency, ESTEC

2008.3

Staying countory name 1：United States   Staying institution name 1：The University of Utah

Staying institution name 2：Colorado State University

2007.2

Staying countory name 1：United States   Staying institution name 1：Texas A&M University