• 498 引用
  • 8 h指数
20062019

Research output per year

Pureに変更を加えた場合、すぐここに表示されます。

研究成果

  • 498 引用
  • 8 h指数
  • 17 記事
  • 14 会議での発言
  • 8 Conference article
  • 2 論文
2019

Interpretation of lidar ratio and depolarization ratio of ice clouds using spaceborne high-spectral-resolution polarization lidar

Okamoto, H., Sato, K., Borovoi, A., Ishimoto, H., Masuda, K., Konoshonkin, A. & Kustova, N., 12 9 2019, : : Optics Express. 27, 25, p. 36587-36600 14 p.

研究成果: ジャーナルへの寄稿記事

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

Iwasaki, S., Seguchi, T., Okamoto, H., Sato, K., Katagiri, S., Fujiwara, M., Shibata, T., Tsuboki, K., Ono, T. & Sugidachi, T., 1 1 2019, : : Polar Science.

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

Measurement of water mist particle size generated by rocket launch using a two-wavelength multi-static lidar

Jin, Y., Sugimoto, N., Nishizawa, T., Yoshitomi, T., Sawada, A., Sarae, W., Hattori, A., Yamasaki, Y., Okamoto, H. & Sato, K., 8 10 2019, : : Applied Optics. 58, 23, p. 6274-6279 6 p.

研究成果: ジャーナルへの寄稿記事

Modeling the depolarization of space-borne lidar signals

Sato, K., Okamoto, H. & Ishimoto, H., 1 1 2019, : : Optics Express. 27, 4, p. A117-A132

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)
2018

Active sensor synergy for arctic cloud microphysics

Sato, K., Okamoto, H., Katagiri, S., Shiobara, M., Yabuki, M. & Takano, T., 4 13 2018, : : EPJ Web of Conferences. 176, 08004.

研究成果: ジャーナルへの寄稿Conference article

Application of multiple-scattering polarization lidar for the evaluation of space-borne lidar algorithms

Okamoto, H., Sato, K., Katagiri, S., Fujikawa, M., Nishizawa, T., Sugimoto, N., Jin, Y., Shimizu, A. & Ishimoto, H., 4 13 2018, : : EPJ Web of Conferences. 176, 02014.

研究成果: ジャーナルへの寄稿Conference article

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

Ishii, S., Sato, A., Aoki, M., Akahane, K., Nagano, S., Nakagawa, K., Sato, K. & Okamoto, H., 1 1 2018, Lidar Remote Sensing for Environmental Monitoring XVI. Singh, U. N. & Sugimoto, N. (版). SPIE, 1077903. (Proceedings of SPIE - The International Society for Optical Engineering; 巻数 10779).

研究成果: 著書/レポートタイプへの貢献会議での発言

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

Okamoto, H., Sato, K., Ishii, S., Aoki, M., Nishizawa, T., Sugimoto, N., Jin, Y., Ohno, Y., Horie, H. & Fujikawa, M., 1 1 2018.

研究成果: 会議への寄与タイプ論文

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

Sato, K., Okamoto, H. & Ishimoto, H., 3 19 2018, : : Optics Express. 26, 6, p. A301-A319

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

Refinement of the CALIOP cloud mask algorithm

Katagiri, S., Sato, K., Ohta, K. & Okamoto, H., 4 13 2018, : : EPJ Web of Conferences. 176, 05043.

研究成果: ジャーナルへの寄稿Conference article

2017

Development of Algorithm for Discriminating Hydrometeor Particle Types With a Synergistic Use of CloudSat and CALIPSO

Kikuchi, M., Okamoto, H., Sato, K., Suzuki, K., Cesana, G., Hagihara, Y., Takahashi, N., Hayasaka, T. & Oki, R., 10 27 2017, : : Journal of Geophysical Research: Atmospheres. 122, 20, p. 11,022-11,044

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

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

Okamoto, H., Sato, K., Nishizawa, T., Sugimoto, N. & Jin, Y., 2 22 2017, Radiation Processes in the Atmosphere and Ocean, IRS 2016: Proceedings of the International Radiation Symposium (IRC/IAMAS). Schmutz, W., Davies, R. & Egli, L. (版). American Institute of Physics Inc., 050002. (AIP Conference Proceedings; 巻数 1810).

研究成果: 著書/レポートタイプへの貢献会議での発言

Information content of cloud physical properties derived from satellite active remote sensors

Sato, K. & Okamoto, H., 2 22 2017, Radiation Processes in the Atmosphere and Ocean, IRS 2016: Proceedings of the International Radiation Symposium (IRC/IAMAS). Schmutz, W., Davies, R. & Egli, L. (版). American Institute of Physics Inc., 050003. (AIP Conference Proceedings; 巻数 1810).

研究成果: 著書/レポートタイプへの貢献会議での発言

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

Kustova, N. V., Konoshonkin, A. V., Borovoi, A., Okamoto, H., Sato, K. & Katagiri, S., 1 1 2017, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics. Matvienko, G. G. & Romanovskii, O. A. (版). SPIE, 1046637. (Proceedings of SPIE - The International Society for Optical Engineering; 巻数 10466).

研究成果: 著書/レポートタイプへの貢献会議での発言

Relationship between ice supersaturation and ice microphysics inferred from CloudSat, CALIPSO and AIRS

Okamoto, H., Sato, K., Hagihara, Y. & Ishimoto, H., 2 22 2017, Radiation Processes in the Atmosphere and Ocean, IRS 2016: Proceedings of the International Radiation Symposium (IRC/IAMAS). Schmutz, W., Davies, R. & Egli, L. (版). American Institute of Physics Inc., 070006. (AIP Conference Proceedings; 巻数 1810).

研究成果: 著書/レポートタイプへの貢献会議での発言

Testing hydrometeor particle type discrimination derived from CloudSat and CALIPSO

Kikuchi, M., Okamoto, H., Sato, K. & Hagihara, Y., 2 22 2017, Radiation Processes in the Atmosphere and Ocean, IRS 2016: Proceedings of the International Radiation Symposium (IRC/IAMAS). Schmutz, W., Davies, R. & Egli, L. (版). American Institute of Physics Inc., 070005. (AIP Conference Proceedings; 巻数 1810).

研究成果: 著書/レポートタイプへの貢献会議での発言

1 引用 (Scopus)
2016

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

Konoshonkin, A. V., Kustova, N. V., Borovoi, A. G., Okamoto, H., Sato, K., Ishimoto, H., Grynko, E. & Foerstner, J., 1 1 2016, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics. Romanovskii, O. A. & Matvienko, G. G. (版). SPIE, 1003533. (Proceedings of SPIE - The International Society for Optical Engineering; 巻数 10035).

研究成果: 著書/レポートタイプへの貢献会議での発言

Depolarization Ratio of Clouds Measured by Multiple-Field of view Multiple Scattering Polarization Lidar

Okamoto, H., Sato, K., Makino, T., Nishizawa, T., Sugimoto, N., Jin, Y. & Shimizu, A., 6 7 2016, : : EPJ Web of Conferences. 119, 11007.

研究成果: ジャーナルへの寄稿Conference article

1 引用 (Scopus)

Development of a multiple-field-of-view multiple-scattering polarization lidar: Comparison with cloud radar

Okamoto, H., Sato, K., Nishizawa, T., Sugimoto, N., Makino, T., Jin, Y., Shimizu, A., Takano, T. & Fujikawa, M., 12 26 2016, : : Optics Express. 24, 26, p. 30053-30067 15 p.

研究成果: ジャーナルへの寄稿記事

10 引用 (Scopus)

Evaluation of Retrieval Algorithms for Ice Microphysics Using CALIPSO/CloudSat and Earthcare

Okamoto, H., Sato, K., Hagihara, Y., Ishimoto, H., Borovoi, A., Konoshonkin, A. & Kustova, N., 6 7 2016, : : EPJ Web of Conferences. 119, 16007.

研究成果: ジャーナルへの寄稿Conference article

2 引用 (Scopus)

Modeling Lidar Multiple Scattering

Sato, K., Okamoto, H. & Ishimoto, H., 6 7 2016, : : EPJ Web of Conferences. 119, 21005.

研究成果: ジャーナルへの寄稿Conference article

3 引用 (Scopus)

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

Konoshonkin, A. V., Borovoi, A. G., Kustova, N. V., Okamoto, H. & Sato, K., 1 1 2016, 22nd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics. Romanovskii, O. A. & Matvienko, G. G. (版). SPIE, 100353X. (Proceedings of SPIE - The International Society for Optical Engineering; 巻数 10035).

研究成果: 著書/レポートタイプへの貢献会議での発言

2015

The earthcare satellite: The next step forward in global measurements of clouds, aerosols, precipitation, and radiation

Illingworth, A. J., Barker, H. W., Beljaars, A., Ceccaldi, M., Chepfer, H., Clerbaux, N., Cole, J., Delanoë, J., Domenech, C., Donovan, D. P., Fukuda, S., Hirakata, M., Hogan, R. J., Huenerbein, A., Kollias, P., Kubota, T., Nakajima, T., Nakajima, T. Y., Nishizawa, T., Ohno, Y. および9人, Okamoto, H., Oki, R., Sato, K., Satoh, M., Shephard, M. W., Velázquez-Blázquez, A., Wandinger, U., Wehr, T. & Van Zadelhoff, G. J., 8 1 2015, : : Bulletin of the American Meteorological Society. 96, 8, p. 1311-1332 22 p.

研究成果: ジャーナルへの寄稿記事

187 引用 (Scopus)
2014

One-dimensional variational (1D-Var) retrieval of middle to upper tropospheric humidity using AIRS radiance data

Ishimoto, H., Okamoto, K., Okamoto, H. & Sato, K., 6 27 2014, : : Journal of Geophysical Research. 119, 12, p. 7633-7654 22 p.

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)
2013

Detection and analyses of hydrometeor properties from EarthCARE data

Sato, K. & Okamoto, H., 5 22 2013, Radiation Processes in the Atmosphere and Ocean, IRS 2012 - Proceedings of the International Radiation Symposium (IRC/IAMAS). p. 200-203 4 p. (AIP Conference Proceedings; 巻数 1531).

研究成果: 著書/レポートタイプへの貢献会議での発言

Development of level 2 algorithms for EarthCARE CPR/ATLID

Okamoto, H., Sato, K., Hagihara, Y. & Nishizawa, T., 5 22 2013, Radiation Processes in the Atmosphere and Ocean, IRS 2012 - Proceedings of the International Radiation Symposium (IRC/IAMAS). p. 448-451 4 p. (AIP Conference Proceedings; 巻数 1531).

研究成果: 著書/レポートタイプへの貢献会議での発言

2011

Refinement of global ice microphysics using spaceborne active sensors

Sato, K. & Okamoto, H., 1 1 2011, : : Journal of Geophysical Research Atmospheres. 116, 20, D20202.

研究成果: ジャーナルへの寄稿記事

31 引用 (Scopus)
2010

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

Sato, K. & Okamoto, H., 2010, Reviewed and Revised Papers, 25th International Laser Radar Conference.

研究成果: 著書/レポートタイプへの貢献会議での発言

4 引用 (Scopus)
67 引用 (Scopus)

ICE CLOUD MICROPHYSICS FROM CLOUDSAT AND CALIOP: ANALYSIS OF ORIENTED CRYSTALS

Okamoto, H., Sato, K., Yuichiro, H. & Hirakata, M., 2010, Reviewed and Revised Papers, 25th International Laser Radar Conference.

研究成果: 著書/レポートタイプへの貢献会議での発言

2009

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

Sato, K., Okamoto, H., Yamamoto, M. K., Fukao, S., Kumagai, H., Ohno, Y., Horie, H. & Abo, M., 2 16 2009, : : Journal of Geophysical Research Atmospheres. 114, 3, D03203.

研究成果: ジャーナルへの寄稿記事

17 引用 (Scopus)

Multi-wavelength radar algorithm with Doppler function for the retrieval of cloud microphysics with precipitation

Okamoto, H., Sato, K., Otomo, S., Hagihara, Y., Yoshida, R., Iwanami, K., Maesaka, T., Murakami, M., Orikasa, N., Nakazato, M., Yamauchi, H. & Inoue, H., 5 25 2009, : : AIP Conference Proceedings. 1100, p. 307-310 4 p.

研究成果: ジャーナルへの寄稿Conference article

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

Okamoto, H., Sato, K. & Hagihara, Y., 5 25 2009, : : AIP Conference Proceedings. 1100, p. 412-415 4 p.

研究成果: ジャーナルへの寄稿Conference article

2008

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

Yamamoto, M. K., Ohno, Y., Horie, H., Nishi, N., Okamoto, H., Sato, K., Kumagai, H., Yamamoto, M., Hashiguchi, H., Mori, S., Hashiguchi, N. O., Nagata, H. & Fukao, S., 6 27 2008, : : Journal of Geophysical Research Atmospheres. 113, 12, D12210.

研究成果: ジャーナルへの寄稿記事

8 引用 (Scopus)

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

Heymsfield, A. J., Protat, A., Austin, R. T., Bouniol, D., Hogan, R. J., Delanoe, J., Okamoto, H., Sato, K., van Zadelhoff, G. J., Donovan, D. P. & Wang, Z., 1 1 2008, : : Journal of Applied Meteorology and Climatology. 47, 1, p. 135-163 29 p.

研究成果: ジャーナルへの寄稿記事

65 引用 (Scopus)

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

Okamoto, H., Nishizawa, T., Takemura, T., Sato, K., Kumagai, H., Ohno, Y., Sugimoto, N., Shimizu, A., Matsui, I. & Nakajima, T., 12 27 2008, : : Journal of Geophysical Research Atmospheres. 113, 24, D24213.

研究成果: ジャーナルへの寄稿記事

31 引用 (Scopus)
2007

Cloud microphysics and dynamical characteristics of tropical ice clouds inferred from cloud radar and lidar

Sato, K. & Okamoto, H., 1 1 2007, Hyperspectral Imaging and Sounding of the Environment, HISE 2007. Optical Society of America, (Optics InfoBase Conference Papers).

研究成果: 著書/レポートタイプへの貢献会議での発言

2006
54 引用 (Scopus)

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

Sato, K. & Okamoto, H., 2006, IRS 2004:Current Problems in Atmospheric Radiation. A. Deepak Publishing, p. 119-122

研究成果: 著書/レポートタイプへの貢献会議での発言