Works matching AU Kohma, Masashi

Results: 19

Quasi-12 h inertia--gravity waves in the lower mesosphere observed by the PANSY radar at Syowa Station (39.6° E, 69.0° S).

Published in:

Atmospheric Chemistry & Physics, 2017, v. 17, n. 10, p. 6455, doi. 10.5194/acp-17-6455-2017

By:

Ryosuke Shibuya;
Kaoru Sato;
Masaki Tsutsumi;
Toru Sato;
Yoshihiro Tomikawa;
Koji Nishimura;
Masashi Kohma

Publication type:

Article

Height and time characteristics of seasonal and diurnal variations in PMWE based on 1 year observations by the PANSY radar (69.0°S, 39.6°E).

Published in:

Geophysical Research Letters, 2015, v. 42, n. 7, p. 2100, doi. 10.1002/2015GL063349

By:

Nishiyama, Takanori;
Sato, Kaoru;
Nakamura, Takuji;
Tsutsumi, Masaki;
Sato, Toru;
Kohma, Masashi;
Nishimura, Koji;
Tomikawa, Yoshihiro;
Ejiri, Mitsumu K.;
Tsuda, Takuo T.

Publication type:

Article

Climatology of the Residual Mean Circulation of the Martian Atmosphere and Contributions of Resolved and Unresolved Waves Based on a Reanalysis Data Set.

Published in:

Journal of Geophysical Research. Planets, 2025, v. 130, n. 3, p. 1, doi. 10.1029/2023JE008137

By:

Asumi, Anzu;
Sato, Kaoru;
Kohma, Masashi;
Hayashi, Yoshi‐Yuki

Publication type:

Article

An update on the 4D-LETKF data assimilation system for the whole neutral atmosphere.

Published in:

Geoscientific Model Development, 2022, v. 15, n. 5, p. 2293, doi. 10.5194/gmd-15-2293-2022

By:

Koshin, Dai;
Sato, Kaoru;
Kohma, Masashi;
Watanabe, Shingo

Publication type:

Article

Frequency spectra and vertical profiles of wind fluctuations in the summer Antarctic mesosphere revealed by MST radar observations.

Published in:

Journal of Geophysical Research. Atmospheres, 2017, v. 122, n. 1, p. 3, doi. 10.1002/2016JD025834

By:

Sato, Kaoru;
Kohma, Masashi;
Tsutsumi, Masaki;
Sato, Toru

Publication type:

Article

A three-dimensional analysis on the role of atmospheric waves in the climatology and interannual variability of stratospheric final warming in the Southern Hemisphere.

Published in:

Journal of Geophysical Research. Atmospheres, 2016, v. 121, n. 14, p. 8429, doi. 10.1002/2015JD024481

By:

Hirano, Soichiro;
Kohma, Masashi;
Sato, Kaoru

Publication type:

Article

Variability of upper tropospheric clouds in the polar region during stratospheric sudden warmings.

Published in:

Journal of Geophysical Research. Atmospheres, 2014, v. 119, n. 17, p. 10,100, doi. 10.1002/2014JD021746

By:

Kohma, Masashi;
Sato, Kaoru

Publication type:

Article

Interhemispheric Coupling Study by Observations and Modelling (ICSOM): Concept, Campaigns, and Initial Results.

Published in:

Journal of Geophysical Research. Atmospheres, 2023, v. 128, n. 11, p. 1, doi. 10.1029/2022JD038249

By:

Sato, Kaoru;
Tomikawa, Yoshihiro;
Kohma, Masashi;
Yasui, Ryosuke;
Koshin, Dai;
Okui, Haruka;
Watanabe, Shingo;
Miyazaki, Kazuyuki;
Tsutsumi, Masaki;
Murphy, Damian;
Meek, Chris;
Tian, Yufang;
Ern, Manfred;
Baumgarten, Gerd;
Chau, Jorge L.;
Chu, Xinzhao;
Collins, Richard;
Espy, Patrick J.;
Hashiguchi, Hiroyuki;
Kavanagh, Andrew J.

Publication type:

Article

Relation between the interannual variability in the stratospheric Rossby wave forcing and zonal mean fields suggesting an interhemispheric link in the stratosphere.

Published in:

Annales Geophysicae (ANGEO) (09927689), 2020, v. 38, n. 2, p. 319, doi. 10.5194/angeo-38-319-2020

By:

Matsushita, Yuki;
Kado, Daiki;
Kohma, Masashi;
Sato, Kaoru

Publication type:

Article

Dynamical Analysis of Tropopause Folding Events in the Coastal Region of Antarctica.

Published in:

Journal of Climate, 2022, v. 35, n. 14, p. 4687, doi. 10.1175/JCLI-D-21-0858.1

By:

Kohma, Masashi;
Mizukoshi, Masatoshi;
Sato, Kaoru

Publication type:

Article

Interannual Variability of Stratospheric Final Warming in the Southern Hemisphere and Its Tropospheric Origin.

Published in:

Journal of Climate, 2021, v. 34, n. 15, p. 6115, doi. 10.1175/JCLI-D-20-0945.1

By:

Hirano, Soichiro;
Kohma, Masashi;
Sato, Kaoru

Publication type:

Article

Water Vapor in the Upper Troposphere above Syowa Station in the Antarctic: Its Variations and Causes.

Published in:

SOLA, 2023, v. 19, p. 86, doi. 10.2151/sola.2023-012

By:

Yoshihiro Tomikawa;
Masashi Kohma;
Masanori Takeda;
Kaoru Sato

Publication type:

Article

Quasi 12 h inertia-gravity waves in the lower mesosphere observed by the PANSY radar at Syowa Station (39.6 °E, 69.0 °S).

Published in:

Atmospheric Chemistry & Physics Discussions, 2016, p. 1, doi. 10.5194/acp-2016-813

By:

Shibuya, Ryosuke;
Sato, Kaoru;
Tsutsumi, Masaki;
Toru Sato;
Yoshihiro Tomikawa;
Koji Nishimura;
Masashi Kohma

Publication type:

Article

A Statistical Study of Gravity Waves in the Troposphere and Lower Stratosphere in the Antarctic Based on the PANSY Radar Observations.

Published in:

Journal of the Meteorological Society of Japan, 2025, v. 103, n. 2, p. 113, doi. 10.2151/jmsj.2025-006

By:

Eiji TOKIMORI;
Masashi KOHMA;
Kaoru SATO

Publication type:

Article

Simultaneous Observation of Near-Inertial Frequency Gravity Waves by a Long-Duration Balloon and the PANSY Radar in the Antarctic.

Published in:

Journal of the Meteorological Society of Japan, 2024, v. 102, n. 6, p. 655, doi. 10.2151/jmsj.2024-034

By:

Yoshihiro TOMIKAWA;
Isao MURATA;
Masashi KOHMA;
Kaoru SATO

Publication type:

Article

An update on the 4D-LETKF data assimilation system for the whole neutral atmosphere.

Published in:

Geoscientific Model Development Discussions, 2021, p. 1, doi. 10.5194/gmd-2020-381

By:

Dai Koshin;
Kaoru Sato;
Masashi Kohma;
Shingo Watanabe

Publication type:

Article

A New Three-Dimensional Residual Flow Theory and Its Application to Brewer–Dobson Circulation in the Middle and Upper Stratosphere.

Published in:

Journal of the Atmospheric Sciences, 2022, v. 79, n. 2, p. 429, doi. 10.1175/JAS-D-21-0094.1

By:

Sato, Kaoru;
Kinoshita, Takenari;
Matsushita, Yuki;
Kohma, Masashi

Publication type:

Article

A Diagnostic Equation for Tendency of Lapse-Rate-Tropopause Heights and Its Application.

Published in:

Journal of the Atmospheric Sciences, 2019, v. 76, n. 11, p. 3337, doi. 10.1175/JAS-D-19-0054.1

By:

MASASHI KOHMA;
KAORU SATO

Publication type:

Article

Classification of Polar-Night Jet Oscillations and Their Relationship to Fast and Slow Variations in a Global Mechanistic Circulation Model of the Stratosphere and Troposphere.

Published in:

Journal of Climate, 2010, v. 23, n. 23, p. 6438, doi. 10.1175/2010JCLI3458.1

By:

Kohma, Masashi;
Nishizawa, Seiya;
Yoden, Shigeo

Publication type:

Article