Division of Earth Environment Dynamics

Research Output 1978 2019

Filter
Conference article
2018

Active sensor synergy for arctic cloud microphysics

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

Research output: Contribution to journalConference article

sensors
retrieval
European Space Agency
optical radar
polar regions

Aerosol observation using multi-wavelength Mie-Raman lidars of the Ad-Net and aerosol component analysis

Nishizawa, T., Sugimoto, N., Shimizu, A., Uno, I., Hara, Y. & Kudo, R., Apr 13 2018, In : EPJ Web of Conferences. 176, 09005.

Research output: Contribution to journalConference article

optical radar
aerosols
CALIPSO (Pathfinder satellite)
wavelengths
retrieval

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., Apr 13 2018, In : EPJ Web of Conferences. 176, 02014.

Research output: Contribution to journalConference article

optical radar
depolarization
evaluation
polarization
scattering

Refinement of the CALIOP cloud mask algorithm

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

Research output: Contribution to journalConference article

masks
perfectly matched layers
lower atmosphere
discrimination
aerosols
2016

Backscattering Properties of Nonspherical Ice Particles Calculated by Geometrical-Optics-Integral-Equation Method

Masuda, K., Ishimoto, H., Sakai, T. & Okamoto, H., Jun 7 2016, In : EPJ Web of Conferences. 119, 16001.

Research output: Contribution to journalConference article

geometrical optics
integral equations
backscattering
ice
optical radar
1 Citation (Scopus)

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., Jun 7 2016, In : EPJ Web of Conferences. 119, 11007.

Research output: Contribution to journalConference article

optical radar
depolarization
field of view
polarization
scattering
2 Citations (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., Jun 7 2016, In : EPJ Web of Conferences. 119, 16007.

Research output: Contribution to journalConference article

CloudSat
satellite observation
optical radar
retrieval
aerosols
3 Citations (Scopus)

Modeling Lidar Multiple Scattering

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

Research output: Contribution to journalConference article

optical radar
scattering
CloudSat
grids
satellite observation
2010
1 Citation (Scopus)

EarthCARE science mission objectives

Katagiri, S., Oki, R., Shimizu, S., Kimura, T., Nakajima, T., Okamoto, H., Sugimoto, N., Nakajima, T. Y., Sato, M., Takayabu, Y., Sato, K., Nishizawa, T., Matsui, T. & Hagihara, Y., Jan 1 2010, In : International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives. 38, p. 63-68 6 p.

Research output: Contribution to journalConference article

volcanic cloud
Aerosols
Earth (planet)
Radiation
Japan
2 Citations (Scopus)

Observations of cloud and aerosol from GCOM-C SGLI

Nakajima, T. Y., Kuji, M., Sano, I., Schutgens, N., Mano, Y., Riedi, J., Ishida, H., Suzuki, K., Okamoto, H., Matsui, T. & Letu, H., Jan 1 2010, In : International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives. 38, p. 30-34 5 p.

Research output: Contribution to journalConference article

Image sensors
Aerosols
aerosol
scientific activity
Satellites
2009

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., May 25 2009, In : AIP Conference Proceedings. 1100, p. 307-310 4 p.

Research output: Contribution to journalConference article

retrieval
radar
superhigh frequencies
wavelengths
cloud seeding

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

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

Research output: Contribution to journalConference article

CloudSat
CALIPSO (Pathfinder satellite)
ice clouds
retrieval
radar
1 Citation (Scopus)

Synergy use of MODIS, Cloudsat and CALIPSO for improved retrieval of liquid water cloud microphysical

Hagihara, Y., Okamoto, H. & Nakajimab, T. Y., May 25 2009, In : AIP Conference Proceedings. 1100, p. 259-262 4 p.

Research output: Contribution to journalConference article

CloudSat
CALIPSO (Pathfinder satellite)
MODIS (radiometry)
retrieval
liquids
2005

Observations of Asian dust and air-pollution aerosols using a network of ground-based Mie-scattering lidars

Sugimoto, N., Shimizu, A., Matsui, I., Dong, X., Zhao, S., Zhou, J., Lee, C. H. & Uno, I., Nov 21 2005, In : Proceedings of SPIE - The International Society for Optical Engineering. 5832, 1, p. 131-139 9 p., 15.

Research output: Contribution to journalConference article

Mie Theory
air pollution
Air Pollution
Mie scattering
Aerosol
2004

Position control of floating structure by neural-net controller

Nakamura, M. & Shima, T., Dec 1 2004, In : Proceedings of the International Offshore and Polar Engineering Conference. p. 359-366 8 p.

Research output: Contribution to journalConference article

Position control
Neural networks
Controllers
Ocean currents
Water waves
2002

EarthCARE - Earth clouds, aerosol and radiation explorer: It's objectives and Japanese sensor designs

Kimura, T., Kondo, K., Kumagai, H., Kuroiwa, H., Ishida, C., Oki, R., Kuze, A., Suzuki, M., Okamoto, H., Imasu, R. & Nakajima, T., Dec 1 2002, In : Proceedings of SPIE - The International Society for Optical Engineering. 4882, p. 510-519 10 p.

Research output: Contribution to journalConference article

Aerosol
Aerosols
aerosols
Earth (planet)
Radiation
2001

Global three-dimensional simulation and radiative forcing of various aerosol species with GCM

Takemura, T., Okamoto, H., Numaguti, A., Suzuki, K., Higurashi, A. & Nakajima, T., Jan 1 2001, In : Proceedings of SPIE - The International Society for Optical Engineering. 4150, p. 249-257 9 p.

Research output: Contribution to journalConference article

radiative forcing
Aerosol
Aerosols
Forcing
aerosols
2000
31 Citations (Scopus)

Trans-boundary air pollution over remote islands in Japan: Observed data and estimates from a numerical model

Murano, K., Mukai, H., Hatakeyama, S., Suk Jang, E. & Uno, I., Jan 1 2000, In : Atmospheric Environment. 34, 29-30, p. 5139-5149 11 p.

Research output: Contribution to journalConference article

atmospheric pollution
sulfate
Eulerian analysis
low pressure system
nitrogen oxides
1996
4 Citations (Scopus)

Field experiments on a towed vehicle 'flying fish' for physical and chemical measurement in the upper mixed layer of the ocean

Koterayama, W., Yamaguchi, S., Nakamura, M. & Akamatsu, T., Dec 1 1996, In : Oceans Conference Record (IEEE). 2, p. 1008-1013 6 p.

Research output: Contribution to journalConference article

mixed layer
ocean
fish
dissolved oxygen
underwater vehicle
1984

SOURCE RECONCILIATION OF HYDROCARBONS MEASURED ALOFT OVER TOKYO.

Uno, I., Wakamatsu, S. & Wadden, R. A., Dec 1 1984, In : Proceedings, Annual Meeting - Air Pollution Control Association. 3

Research output: Contribution to journalConference article

Hydrocarbons
hydrocarbon
Air pollution
Air quality
pollutant