Research
theme
Geophysical fluid
dynamics
・Nonlinear interaction between
vortex (balanced) modes and gravity wave (unbalanced) modes
・Validity of the balanced models
(cf. quasi-geostrophic system)
・Spontaneous gravity wave radiation
from unsteady rotational flows
・Theoretical study on spontaneous
inertia-gravity wave radiation using the renormalization group method
Planetary
atmosphere
・Super-rotation on Venus
・Baroclinic instability and waves on
Venus
・Cloud level convection and gravity
wave radiation on Venus
・Venus data assimilation and
observing system simulation experiments
Climate
variability
・Visualization of dominant modes of
climate variability using self-organizing map
・Statistics of tropical cyclones
(TC) in future climate using high speed non-empirical TC identification method
Dynamic
meteorology
・Eyewall replacement in Tropical
Cyclones
Stokes flow
・Slow incompressible flow past
circular cylinders
Works
Please send e-mail to me (nori @
phys-h.keio.ac.jp), if you need following papers (pdf).
[Original Paper]
Ensemble
forecast sensitivity to observations for Venus data assimilation system,
Norihiko Sugimoto,
Akira Yamazaki, Toru Kouyama, Yukiko
Fujisawa, Takeshi Enomoto, and Masahiro Takagi,
Geophysical Research Letters, in preparation.
Rossby
wave and its impact on the Venus atmosphere evaluated by observing system
simulation experiment,
Nobumasa Komori, Norihiko Sugimoto, Yukiko
Fujisawa, Mirai Abe, Toru Kouyama, Masahiro Takagi, and Masaru Yamamoto,
Journal of Geophysical Research:
Planets,
in preparation.
Analyzing the Instabilities in the Venus Atmosphere
Using Bred Vectors,
Jianyu Liang, Norihiko Sugimoto, and Takemasa
Miyoshi,
Journal of Geophysical Research:
Planets,
under revision.
[55]
Formation and quasi-periodic variation of equatorial jet caused by
planetary-scale waves in the Venusian lower cloud layer,
Masahiro
Takagi, Hiroki Ando, Masataka Imai, Norihiko Sugimoto, and Yoshihisa
Matsuda,
Journal of Geophysical Research:
Planets,
Vol.128, (2023), e2023JE007922, doi.org/10.1029/2023JE007922.
[54] Evaluation of new radio
occultation observations among small satellites at Venus by data assimilation,
Yukiko
Fujisawa, Norihiko Sugimoto, Chi Ao, Asako Hosono, Hiroki Ando, Masahiro
Takagi, Itziar Garate Lopez, and Sebastien Lebonnois,
Icarus, Vol.402, (2023), 115728, 10pp,
doi:10.1016/j.icarus.2023.115728.
[53] Dependency of the vertical
propagation of mountain waves on the zonal wind and the static stability in the
lower Venusian atmosphere,
Anna
Suzuki, Hiroki Ando, Masahiro Takagi, Yasumitsu Maejima, Norihiko Sugimoto,
and Yoshihisa Matsuda,
Icarus, Vol.402, (2023), 115615, 12pp,
doi:10.1016/j.icarus.2023.115615.
[52] Cold collar reproduced by a
Venus GCM with Akatsuki horizontal wind assimilation,
Hiroki
Ando, Yukiko Fujisawa, Norihiko Sugimoto, Masahiro Takagi, and Yoshihisa
Matsuda,
Journal of Geophysical Research:
Planets,
Vol.128, (2023), e2022JE007689, doi.org/10.1029/2022JE007689.
[51]
Super-rotation independent of horizontal diffusion reproduced in a Venus GCM,
Norihiko Sugimoto,
Yukiko Fujisawa, Nobumasa Komori, Hiroki Kashimura, Masahiro Takagi, and
Yoshihisa Matsuda,
Earth, Planets and Space, Vol.75, (2023), 44,
https://doi.org/10.1186/s40623-023-01806-7.
[50] Vertical-Wind-Induced Cloud
Opacity Variation in Low Latitudes Simulated by a Venus GCM,
Hiroki
Karyu, Takeshi Kuroda, Kazunari Itoh, Akira Nitta, Kohei Ikeda, Masaru
Yamamoto, Norihiko Sugimoto, Naoki Terada, Yasumasa Kasaba, Masaaki
Takahashi, Alexander S. Medvedev, and Paul Hartogh,
Journal of Geophysical Research:
Planets,
Vol.128, (2023), e2022JE007595, doi.org/10.1029/2022JE007595.
[49] Akatsuki LIR observing system
simulation experiments evaluated by thermal tides in the Venus atmosphere,
Norihiko
Sugimoto,
Yukiko Fujisawa, Nobumasa Komori, Hiroki Ando, Toru Kouyama, and Masahiro
Takagi,
Geoscience Letters, Vol.9, (2022), 44,
https://doi.org/10.1186/s40562-022-00253-8.
[48] The first assimilation of
Akatsuki single-layer winds and its validation with Venusian atmospheric waves
excited by solar heating,
Yukiko
Fujisawa, Shin-ya Murakami, Norihiko Sugimoto, Masahiro Takagi, Takeshi
Imamura, Takeshi Horinouchi, George L. Hashimoto, Masaki Ishiwatari, Takeshi
Enomoto, Takemasa Miyoshi, Hiroki Kashimura, and Yoshi-Yuki Hayashi,
Scientific Reports, Vol.12, (2022), 14577, 11pp, 10.1038/s41598-022-18634-6.
[47] A sensitivity study of the
thermal tides in the Venusian atmosphere: their structures and dynamical
effects on the superrotation,
Anna
Suzuki, Masahiro Takagi, Hiroki Ando, Masataka Imai, Norihiko Sugimoto,
and Yoshihisa Matsuda,
Journal of Geophysical Research:
Planets,
Vol.127, (2022), e2022JE007243, doi.org/10.1029/2022JE007243.
[46] A GCM Study on the 4-Day and
5-Day Waves in the Venus Atmosphere,
Masahiro
Takagi, Hiroki Ando, Norihiko Sugimoto, and Yoshihisa Matsuda,
Journal of Geophysical Research:
Planets,
Vol.127, (2022), e2021JE007164, doi.org/10.1029/2021JE007164.
[45] Dynamical effect on static
stability of the Venus atmosphere simulated using a general circulation model:
A comparison with radio occultation measurements,
Hiroki
Ando, Koutarou Takaya, Masahiro Takagi, Norihiko Sugimoto, Takeshi
Imamura, Hideo Sagawa, Silvia Tellmann, Martin Pätzold, Yoshihisa Matsuda,
Bernd Häusler, Sanjay Limaye, Raj Kumar Choudhary, and Maria Antonita,
Journal of Geophysical Research:
Planets,
Vol.127, (2022), e2021JE006957, doi.org/10.1029/2021JE006957.
[44] Kelvin wave and its impact on
the Venus atmosphere tested by observing system simulation experiment,
Norihiko
Sugimoto,
Yukiko Fujisawa, Mimo Shirasaka, Mirai Abe, Shin-ya Murakami, Toru Kouyama,
Hiroki Ando, Masahiro Takagi, and Masaru Yamamoto,
Atmosphere, Vol.13, No.2, (2022),
182, 13pp, doi:10.3390/atmos13020182.
Selected
as the journal issue cover.
[43] 惑星大気の衛星間電波掩蔽観測のための最適軌道に関する研究(Orbit
Design Optimization for Planetary Crosslink Radio Occultation),
Tomotaka
Yamamoto, Satoshi Ikari, Hiroki Ando, Takeshi Imamura, Asako Hosono, Mirai Abe,
Yukiko Fujisawa, Norihiko Sugimoto, Yosuke Kawabata, Ryu Funase, and
Shinichi Nakasuka,
日本航空宇宙学会論文集(Journal of the Japan
Society for Aeronautical and Space Sciences), 69 巻,
5 号, (2021), p179-186,
https://doi.org/10.2322/jjsass.69.179.
[42] Generation of gravity waves
from thermal tides in the Venus atmosphere,
Norihiko
Sugimoto, Yukiko
Fujisawa, Hiroki Kashimura, Katsuyuki Noguchi, Takeshi Kuroda, Masahiro Takagi,
and Yoshi-Yuki Hayashi,
Nature Communications, Vol.12, (2021), 3682,
doi:10.1038/s41467-021-24002-1. Featured on Editors’ Highlights webpage in
Astronomy and planetary science.
[41] Quasi-periodic variation of the lower
equatorial cloud induced by atmospheric waves on Venus,
Hiroki
Ando, Masahiro Takagi, Hideo Sagawa, Norihiko Sugimoto, Miho Sekiguchi,
and Yoshihisa Matsuda,
Journal of Geophysical Research:
Planets,
Vol.126, (2021), e2020JE006781, doi:10.1029/2020JE006781.
[40] Observing system simulation
experiment to reproduce Kelvin wave in the Venus atmosphere,
Norihiko
Sugimoto,
Yukiko Fujisawa, Mimo Shirasaka, Asako Hosono, Mirai Abe, Hiroki Ando, Masahiro
Takagi, and Masaru Yamamoto,
Atmosphere, Vol.12, No.1, (2021),
14, 16pp, doi:10.3390/atmos12010014.
[39] Venusian cloud distribution simulated by
a general circulation model,
Hiroki
Ando, Masahiro Takagi, Norihiko Sugimoto, Hideo Sagawa, and Yoshihisa
Matsuda,
Journal of Geophysical Research:
Planets, Vol.125,
(2020), e2019JE006208, doi:10.1029/2019JE006208.
[38] Thermal structure of Venus
atmosphere from sub-cloud region to the mesosphere observed by radio
occultation,
Hiroki
Ando, Takeshi Imamura, Silvia Tellmann, Martin Pätzold, Bernd Häusler, Norihiko
Sugimoto, Masahiro Takagi, Hideo Sagawa, Sanjay Limaye, Yoshihisa Matsuda, Rajkumar Choudhary, and Maria
Antonita,
Scientific Reports, Vol.10, (2020), 3448,
7pp, doi:10.1038/s41598-020-59278-8.
[37] Observing system simulation
experiment for radio occultation measurements of the Venus atmosphere among
small satellites,
Norihiko
Sugimoto,
Mirai Abe, Yukako Kikuchi, Asako Hosono, Hiroki Ando, Masahiro Takagi, Itziar
Garate-Lopez, Sebastien Lebonnois, and Chi Ao
Journal of Japan Society of Civil
Engineers Ser. A2 (Applied Mechanics), Vol. 75, No. 2 (Journal of Applied
Mechanics, Vol. 22), (2019),
p477–486, doi:10.2208/jscejam.75.2_I_477
[36]
Impact of data assimilation on thermal tides in the case of Venus Express wind
observation,
Norihiko Sugimoto, Toru
Kouyama, and Masahiro Takagi,
Geophysical Research Letters, Vol.46, (2019),
p4573–4580, doi:10.1029/2019GL082700
[35] Fully developed super-rotation
driven by the mean meridional circulation in a Venus GCM,
Norihiko
Sugimoto, Masahiro
Takagi, and Yoshihisa Matsuda,
Geophysical Research Letters, Vol.46, (2019),
p1776–1784, doi:10.1029/2018GL080917
[34] Planetary-scale streak
structure reproduced in high-resolution simulations of the Venus atmosphere
with a low-stability layer,
Hiroki
Kashimura, Norihiko Sugimoto, Masahiro Takagi, Wataru Ohfuchi, Takeshi
Enomoto, Kensuke Nakajima, Masaki Ishiwatari, Takao M. Sato, George L.
Hashimoto, Takehiko Satoh, Yoshiyuki O. Takahashi, and Yoshi-Yuki Hayashi,
Nature Communications, Vol. 10, (2019), 23,
11pp, doi:10.1038/s41467-018-07919-y.
[33] A dynamical mechanism for
Secondary Eyewall Formation in Tropical Cyclones,
Yoshiaki
Miyamoto, David Nolan, and Norihiko Sugimoto,
Journal of the Atmospheric Sciences, Vol. 75, No. 11,
(2018), p3965–3986, doi:10.1175/JAS-D-18-0042.1.
[32] Local time dependence of the thermal
structure in the Venusian equatorial upper atmosphere: Comparison of Akatsuki
radio occultation measurements and GCM results,
Hiroki
Ando, Masahiro Takagi, Tetsuya Fukuhara, Takeshi Imamura, Norihiko Sugimoto,
Hideo Sagawa, Katsuyuki Noguchi, Silvia Tellmann, Martin Pätzold, Bernd
Häusler, Yasuhiro Murata, Hiroshi Takeuchi, Atsushi Yamazaki, Tomoaki Toda,
Atsushi Tomiki, Raj Kumar Choudhary, Kishore Kumar, Geetha Ramkumar, and Maria
Antonita,
Journal of Geophysical Research:
Planets, Vol.
123, (2018), 11pp, doi:10.1029/2018JE005640.
[31] Three dimensional structures
of thermal tides simulated by a Venus GCM,
Masahiro
Takagi, Norihiko Sugimoto, Hiroki Ando, and Yoshihisa Matsuda,
Journal of Geophysical Research:
Planets, Vol.
123, (2018), 18pp, doi:10.1002/2017JE005449.
[30]
Development of an ensemble Kalman filter data assimilation system for the
Venusian atmosphere,
Norihiko Sugimoto,
Akira Yamazaki, Toru Kouyama, Hiroki
Kashimura, Takeshi Enomoto, and Masahiro Takagi,
Scientific Reports, Vol. 7, (2017), 9321,
9pp.
[29] Vertical structure of the
axi-asymmetric temperature disturbance in the Venusian polar atmosphere:
Comparison between radio occultation measurements and GCM results,
Hiroki
Ando, Takeshi Imamura, Norihiko Sugimoto, Masahiro Takagi, Hiroki
Kashimura, Silvia Tellmann, Martin Pätzold, Bernd Häusler, and Yoshihisa
Matsuda,
Journal of Geophysical Research:
Planets, Vol.
122, (2017), 17pp, doi:10.1002/2016JE005213.
[28] Inertia-gravity wave radiation
from the elliptical vortex in the f-plane shallow water system,
Norihiko
Sugimoto,
Fluid Dynamics Research, Vol. 49, (2017),
025508, 17pp.
[27]
Wave analysis in the atmosphere of Venus below 100-km altitude, simulated by
LMD Venus GCM,
Sébastien
Lebonnois, Norihiko Sugimoto, and Gabriella Gilli,
Icarus, Vol. 278, (2016), p38-51.
[26] Generation and backreaction of
spontaneously emitted inertia-gravity waves,
Norihiko
Sugimoto
and Riwal Plougonven,
Geophysical Research Letters, Vol. 43, (2016),
p3519-3525.
[25] The puzzling Venusian polar
atmospheric structure reproduced by a general circulation model,
Hiroki
Ando, Norihiko Sugimoto, Masahiro Takagi, Hiroki Kashimura, Takeshi
Imamura, and Yoshihisa
Matsuda,
Nature Communications, Vol. 7, (2016), 10398,
8pp.
[24] Inertia-gravity wave radiation
from the merging of two co-rotating vortices in the f-plane shallow water
system,
Norihiko
Sugimoto,
Physics of Fluids, Vol. 27, (2015),
121701, 6pp.
[23] Cyclone-anticyclone asymmetry
in gravity wave radiation from a co-rotating vortex pair in rotating shallow
water,
Norihiko
Sugimoto,
Keiichi Ishioka, Hiromichi Kobayashi, and Yutaka Shimomura,
Journal of Fluid Mechanics, Vol. 772, (2015),
p80-106.
[22] A theoretical study on the
spontaneous radiation of inertia-gravity waves using the renormalization group
method. Part II: Verification of the theoretical equations by numerical
simulation,
Yuki Yasuda, Kaoru Sato, and Norihiko Sugimoto,
Journal of the Atmospheric Sciences, Vol. 72, No. 3,
(2015), p984-1009.
[21] A theoretical study on the
spontaneous radiation of inertia-gravity waves using the renormalization group
method. Part I: Derivation of the renormalization group equations,
Yuki Yasuda, Kaoru Sato, and Norihiko Sugimoto,
Journal of the Atmospheric Sciences,
Vol. 72, No. 3, (2015), p957-983.
[20] Waves in a Venus general
circulation model,
Norihiko Sugimoto, Masahiro
Takagi, and Yoshihisa Matsuda,
Geophysical Research Letters, Vol.
41, (2014), p7461–7467.
[19] Baroclinic modes in the Venus
atmosphere simulated by GCM,
Norihiko Sugimoto, Masahiro
Takagi, and Yoshihisa Matsuda,
Journal of Geophysical Research: Planets,
Vol. 119, (2014), p1950-1968.
[18] Inverse insolation dependence
of Venus' cloud-level convection,
Takeshi
Imamura, Takehito Higuchi, Yasumitsu Maejima, Masahiro Takagi, Norihiko
Sugimoto, Kohei Ikeda, and Hiroki Ando,
Icarus, Vol.228, (2014), p181-188.
[17] A Reynolds-averaged turbulence
modeling approach to the maintenance of the Venus superrotation,
Akira Yoshizawa, Hiromichi Kobayashi, Norihiko Sugimoto, Nobumitsu
Yokoi, and Yutaka Shimomura,
Geophysical and Astrophysical Fluid
Dynamics, Vol.107, No.6, (2013), p614-639.
[16] Baroclinic modes in the
atmosphere on Venus simulated by AFES,
Norihiko Sugimoto, Masahiro
Takagi, Yoshihisa Matsuda, Yoshiyuki O. Takahashi, Masaki Ishiwatari, and
Yoshi-Yuki Hayashi,
Theoretical and Applied Mechanics Japan,
Vol.61, (2013), p11-21.
[15] Toward high resolution
simulation for the atmosphere on Venus by AFES (Atmospheric GCM For the Earth
Simulator),
Norihiko Sugimoto, Masahiro
Takagi, Yoshihisa Matsuda, Yoshiyuki O. Takahashi, Masaki Ishiwatari, and
Yoshi-Yuki Hayashi, Proceedings of
International Conference on Simulation Technology (JSST
2012), (2012),
p315-322.
[14] Numerical modeling for Venus
atmosphere based on AFES (Atmospheric GCM For the Earth Simulator),
Norihiko Sugimoto, Masahiro
Takagi, Yoshihisa Matsuda, Yoshiyuki O. Takahashi, Masaki Ishiwatari, and
Yoshi-Yuki Hayashi,
“System
Simulation and Scientific Computing” Communications in Computer and Information
Science (CCIS),
Springer-Verlag,(2012), p70-78.
[13] Spontaneous Gravity Wave
Radiation in a Shallow Water System on a Rotating Sphere,
Norihiko Sugimoto and Katsuya Ishii,
Journal of the Meteorological Society of
Japan, Vol. 90, No. 1, (2012), p101-125.
[12] Visualization of Huge Climate
Data with High Speed Spherical Self-Organizing Map,
Kanta
Tachibana, Norihiko Sugimoto, Hideo Shiogama, and Toru Nozawa,
Journal of Advanced Computational
Intelligence & Intelligent Informatics (JACIII), Vol. 13, No. 3, (2009),
p210-216.
[11] High speed method of detecting
vortex without empirical conditions
- Application to risk-assessment of
tropical cyclone -
Norihiko Sugimoto, Tuan
Minh Pham, Kanta Tachibana, Tomohiro Yoshikawa, and Takeshi Furuhashi,
Theoretical and Applied Mechanics Japan,
Vol.57, (2009), p297-307.
[10] Spontaneous Gravity Wave Radiation from
Unsteady Flows in Shallow Water System on a Rotating Sphere,
Norihiko Sugimoto and Katsuya Ishii,
“Frontiers of Computational Science II”,
Y. Kaneda and M. Sasai (Eds.), Proceedings
of International Symposium on Frontiers of Computational Science 2008, Nagoya
University, (2008),
p181-188.
[9] Application of high speed
spherical self-organizing map to climate research,
Norihiko
Sugimoto,
Kanta Tachibana, Hideo Shiogama, and Toru Nozawa,
Proceedings of Joint 4th
International Conference on Soft Computing and Intelligent Systems and 9th
International Symposium on Advanced Intelligent Systems, (2008), p1574-1579.
(Young Researcher Award from IEEE Computational Intelligence Society)
[8] High speed non-empirical
tropical cyclone identification method in huge climatology data,
Norihiko Sugimoto, Tuan
Minh Pham, Kanta Tachibana, Tomohiro Yoshikawa, and Takeshi Furuhashi,
“Hurricanes and
Climate Change”, J. B. Elsner and T. H. Jagger (Eds.), Proceedings
of 1st International
Summit on Hurricanes and Climate Change, Springer-Verlag, (2008), p251-263.
[7] A First Attempt to Apply High
Speed Spherical Self-organizing Map to Huge Climate Datasets,
Norihiko
Sugimoto
and Kanta Tachibana,
SOLA (Science Online Letters on the
Atmosphere),
Vol. 4, (2008), p41-44.
[6] 2D Numerical simulation of slow
flow past circular cylinders,
Norihiko Sugimoto, Hiroaki Hashiya, and Katsuya Ishii,
Theoretical and Applied Mechanics Japan,
Vol. 56, (2008), p273-283.
[5] Parameter Sweep Experiments on
Spontaneous Gravity Wave Radiation From Unsteady Rotational Flow in an F-plane Shallow Water System,
Norihiko Sugimoto, Keiichi Ishioka, and Katsuya Ishii,
Journal of the Atmospheric Sciences,
Vol. 65, No. 1, (2008), p234-249.
[4] Source models of gravity waves
in an f-plane shallow water system,
Norihiko Sugimoto, Keiichi Ishioka, and Katsuya Ishii,
“Frontiers of Computational Science”,
Y. Kaneda, H. Kawamura, and M. Sasai (Eds.), Proceedings of International Symposium on Frontiers of Computational
Science 2005, Springer-Verlag, (2007),
p221-225.
[3] Gravity wave radiation from
unsteady rotational flow in an f-plane
shallow water system,
Norihiko Sugimoto, Keiichi Ishioka, and Shigeo Yoden,
Fluid Dynamics Research, Vol. 39, No.
11-12, (2007), p731-754.
[2] Balance regimes for the
stability of a jet in an f-plane
shallow water system,
Norihiko Sugimoto, Keiichi Ishioka, and Shigeo Yoden,
Fluid Dynamics Research, Vol. 39, No.
5, (2007), p353-377.
[1] Froude Number Dependence of
Gravity Wave Radiation From Unsteady Rotational Flow in f-plane Shallow Water System,
Norihiko
Sugimoto,
Keiichi Ishioka, and Shigeo Yoden,
Theoretical and Applied Mechanics
Japan,
Vol. 54, (2005), p299-304.
[Book]
[1]
Chapter 3, Nonlinear interaction between vortex and wave in rotating shallow
water,
Norihiko Sugimoto,
“Vortex Structures in Fluid Dynamic
Problems”, Hector Pérez-de-Tejada (Ed.), Intech, (2017), p33-52. (Invited chapter)
[International Invited
Presentation]
[13]
Introduction of AFES-Venus (Venus GCM) and ALEDAS-V (AFES LETKF Data
Assimilation System for Venus),
N. Sugimoto,
Y. Fujisawa, N. Komori, H. Ando, M. Takagi, H. Kashimura, Y. Matsuda,
AFES-Venus team, and ALEDAS-V team,
Venus
Science Conference 2022, Sep., 2022 (Online).
[12]
4-day and 5-day waves reproduced in a Venus GCM,
M. Takagi, H. Ando, N. Sugimoto, and
Y. Matsuda,
JpGU-AGU
Joint Meeting 2022 (JpGU２０22), May, 2022.
[11]
Trials toward first Venus analysis product by data assimilation of Akatsuki
observation,
Y. Fujisawa1, S. Murakami, N. Sugimoto,
M. Takagi, T. Imamura, T. Horinouchi, G. Hashimoto, M. Ishiwatari, T. Enomoto,
T. Miyoshi, and Y.-Y. Hayashi,
JpGU-AGU
Joint Meeting 2020 (JpGU２０20), Virtual, July, 2020.
[10]
A Dynamical Mechanism for Secondary Eyewall Formation in Tropical
Cyclones,
Y. Miyamoto, D. Nolan, and N. Sugimoto,
Asia
Oceania Geosciences Society 16th Annual Meeting (AOGS2019), Singapore, August, 2019.
[9]
Numerical modeling of the Venus atmosphere,
M. Takagi, N. Sugimoto, H. Ando, H.
Kashimura, and Y. Matsuda,
International Venus Conference 2019, Niseko, Hokkaido,
June, 2019.
[8]
Introduction of the Venus AFES LETKF
Data Assimilation System (Keynote lecture),
N. Sugimoto,
RIMS Gasshuku Seminar 2019
“Mathematical science in numerical modeling and data assimilation of planetary
atmospheres from Earth and Mars to Venus, Kansai Seminar House, Kyoto,
March, 2019.
[7]
Introduction of the data assimilation for the Venusian atmosphere,
N. Sugimoto,
Lecture at the Akatsuki science
working team meeting #9,
JAXA, Kanagawa, July, 2018.
[6]
Introduction of the Venus GCM (AFES-Venus) and its data assimilation system
(VALEDAS),
N. Sugimoto,
AFES-Venus and VALEDAS team,
Seminar at the Airborne Science
Program,
NASA Jet Propulsion Laboratory, Pasadena, Feb, 2018.
[5]
Planetary-scale streak structures produced in a high-resolution simulation of
Venus atmosphere,
Hiroki Kashimura, N. Sugimoto, M.
Takagi, Y. Matsuda, W. Ohfuchi, T. Enomoto, K. Nakajima, M. Ishiwatari, T. M.
Sato, G. L. Hashimoto, T. Satoh, Y. O. Takahashi, and Y.-Y. Hayashi, The 1st
JpGU-AGU joint meeting, Makuhari Messe, Chiba, Japan, May, 2017.
[4]
On the Venusian polar vortex: numerical experiments and radio occultation
measurements,
Hiroki Ando, Takeshi Imamura, Norihiko
Sugimoto, Masahiro Takagi, Hiroki Kashimura, Yoshihisa Matsuda, Silvia
Tellmann, Martin Pätzold, and Bernd Häusler,
13th
Asia Oceania Geosciences Society, Beijing, China,
Aug, 2016.
[3] Cyclone-anticyclone asymmetry in gravity
waves radiated from geophysical flows,
Norihiko Sugimoto,
Seminar at Institut de Physique du Globe de Paris, University of Paris
Diderot, Paris, Feb, 2016.
[2] Cyclone-anticyclone asymmetry in gravity
wave radiation from vortical flows in f-plane
shallow water,
Norihiko Sugimoto,
Meteorological colloquium and Institute seminar at the
Institute for Atmospheric and Environmental sciences, Goethe-Universität,
Frankfurt, Jan, 2016.
[1] Spontaneous gravity wave radiation in an f-plane shallow water system -
cyclone-anticyclone asymmetry -,
Norihiko Sugimoto, Keiichi
Ishioka, Hiromichi Kobayashi, and Yutaka Shimomura,
80th ESC Seminar, The Earth Simulator Center,
Yokohama, Feb 3, 2014.
[International
Presentation] (stop updating)
[43] Baroclinic
instability in the Venus atmosphere simulated by general circulation model,
Norihiko Sugimoto, Masahiro
Takagi, and Yoshihisa Matsuda,
European Planetary Science
Congress 2014 (EPSC-2014), Sep 7 to 12, 2014, Cascais, Portugal (presented in oral).
[42] AFES
simulation for Venus (Atmospheric general circulation model For the Earth
Simulator),
Norihiko Sugimoto, Hiroki Kashimura, Masahiro Takagi,
Yoshihisa Matsuda, Hiroki
Ando, Takeshi Imamura, Wataru Ohfuchi, Takeshi Enomoto, Yoshiyuki O. Takahashi,
and Yoshi-Yuki Hayashi,
The 40th General Assembly of Committee on Space
Research (COSPAR 2014), Aug 2 to 10, 2014, Moscow, Russia (presented
in oral).
[41] Spontaneous
gravity wave radiation from a co-rotating vortex pair in an unbounded f-plane
shallow water system,
Norihiko Sugimoto, Keiichi
Ishioka, Hiromichi Kobayashi, and Yutaka Shimomura,
RIMS International Conference on “Zonal Flows in
Geophysical and Astrophysical Fluids”, Nov 6 to 8, 2013, Kyoto, Japan (presented in poster).
[40] Spontaneous
gravity wave radiation from vortices in an unbounded f-plane shallow water
system,
Norihiko Sugimoto, Keiichi
Ishioka, Hiromichi Kobayashi, and Yutaka Shimomura,
Workshop on “Mathematical Aspects of Geophysical and
Astrophysical Fluid Dynamics”, Jul 22 to 27, 2013,
Cargèse, France (presented in oral).
[39] Latitudinal
and local time dependence of Venus's cloud-level convection,
Takeshi
Imamura, Takehito Higuchi, Yasumitsu Maejima, Masahiro Takagi, Norihiko
Sugimoto, Kohei Ikeda, and Hiroki Ando,
4th International Venus Workshop, Jun 10 to 14, 2013, Catania, Italy (presented in oral).
[38] Baroclinic
modes in the Venus atmosphere simulated by AFES (Atmospheric GCM For the Earth
Simulator),
Norihiko Sugimoto, Masahiro
Takagi, and Yoshihisa Matsuda,
4th International Venus Workshop, Jun 10 to 14, 2013, Catania, Italy (presented in oral).
[37] Structures
and generation mechanisms of the Venus atmospheric superrotation,
Masahiro Takagi, Yoshihisa Matsuda,
and Norihiko Sugimoto,
4th International Venus Workshop, Jun 10 to 14, 2013, Catania, Italy (presented in oral).
[36] Numerical
modeling for Venus atmosphere based on AFES (Atmospheric GCM For the Earth
Simulator),
Norihiko Sugimoto, Masahiro
Takagi, Yoshihisa Matsuda, Yoshiyuki
O. Takahashi, Masaki Ishiwatari, and Yoshi-Yuki Hayashi,
AsiaSim'2012 & ICSC'2012, Oct 27 to 30, 2012, Shanghai, China (presented in oral).
[35] Toward
high resolution simulation for the atmosphere on Venus by AFES (Atmospheric GCM
For the Earth Simulator)
Norihiko Sugimoto, Masahiro
Takagi, Yoshihisa Matsuda, Yoshiyuki
O. Takahashi, Masaki Ishiwatari, and Yoshi-Yuki Hayashi,
JSST 2012 International Conference on Simulation
Technology, Sep 27 to 28, 2012, Kobe, Japan (presented
in oral).
[34] Maintenance
mechanism of Venus superrotation in light of turbulent-viscosity suppression,
Akira
Yoshizawa, Nobumitsu Yokoi, Yutaka Shimomura, Hiromichi Kobayashi, and Norihiko
Sugimoto,
AGU
Fall Meeting 2011, Dec 5 to 9, 2011, San Francisco, USA (presented
in poster).
[33] Atmospheric
general circulation on Venus simulated by AFES (Atmospheric GCM For
the Earth Simulator),
Norihiko Sugimoto, Masahiro
Takagi, and Yoshihisa Matsuda,
The Joint Meeting 2011 between the European Planetary Science Congress and
the Division for Planetary Sciences of the American Astronomical Society (EPSC-DPS 2011),
Oct 2 to 7, 2011, Nantes, France (presented in oral).
[32] Spontaneous
Gravity Wave Radiation from Co-rotating Vortex Pair in an F-plane Shallow Water
System,
Norihiko Sugimoto, Hiromichi
Kobayashi, Yutaka Shimomura, and Keiichi Ishioka,
The 25th General Assembly of International Union of
Geodesy and Geophysics (IUGG2011), Jun 28 to July 7, 2011, Melbourne, Australia
(presented in oral).
[31] Spontaneous
gravity wave radiation from unsteady rotational flows in a rotating shallow
water system,
Norihiko Sugimoto, Hiromichi
Kobayashi, Yutaka Shimomura, and Keiichi Ishioka,
AGU
Chapman Conference on “Atmospheric Gravity Waves and Their Effects on General
Circulation and Climate” (AGU2011), Feb 28 to Mar 4, 2011, Hawaii,
USA (presented in oral).
[30] Spontaneous
gravity wave radiation from vortex pair in an f-plane shallow water,
Norihiko
Sugimoto,
10th EMS Annual
Meeting, 10th European Conference on Applications of Meteorology (EMS2010), Sep 13 to 17, 2010, Zürich, Switzerland (presented in oral).
[29] Nonlinear interaction between vortical
flows and gravity waves in geophysical fluids,
Norihiko
Sugimoto, Katsuya
Ishii, Hiromichi Kobayashi, and Yutaka Shimomura,
The
CPS 6th International School of Planetary Sciences, "Planetary Atmospheres
- Sisters, relatives and ancestors of our own -", Jan 4 to 9, 2010, Kobe, Japan (presented
in poster).
[28] Spontaneous Imbalance and Gravity Wave
Radiation from Vortical Flow in a Rotating Shallow Water System,
Norihiko
Sugimoto, Katsuya
Ishii, Hiromichi Kobayashi, and Yutaka Shimomura,
Workshop
/ Summer School on “Waves and Instabilities in Geophysical and Astrophysical
Flows”, May 25 to 31, 2009,
Island of Porquerolles, France (presented in oral).
[27] Toward to climate research with new
analyzing methods,
Norihiko
Sugimoto,
Workshop
on “Reducing the Uncertainty in the Prediction of Global Warming”, Jan 12 to 16, 2009, Jerusalem,
Israel (presented in poster).
[26] Spontaneous gravity wave radiation from
nearly balanced rotational flows in a shallow water system,
Norihiko
Sugimoto, Katsuya
Ishii, Hiromichi Kobayashi, and Yutaka Shimomura,
IUTAM / INI(Isaac
Newton Institute) Workshop on The Nature of High Reynolds Number Turbulence,
“Rotating Stratified Turbulence and Turbulence in the Atmosphere and Oceans”, Dec 8 to 12, 2008, Cambridge, UK (presented in oral).
[25]
Spontaneous Gravity Wave Radiation from Unsteady Flows in Shallow Water System
on a Rotating Sphere,
Norihiko
Sugimoto
and Katsuya Ishii,
International Symposium on “Frontiers of
Computational Science 2008” (FCS2008), Nov 27 to 29, 2008, Nagoya, Japan
(presented in poster).
[24] Climate variability visualized by high
speed spherical self-organizing map,
Norihiko
Sugimoto, Kanta
Tachibana, Hideo Shiogama, and Toru Nozawa,
8th EMS Annual
Meeting, 8th European Conference on Applications of Meteorology (EMS2008), Sep 29 to Oct 3, 2008, Amsterdam, Netherlands (presented in
poster with oral introduction).
[23] Gravity wave radiation from a jet in a
shallow water system,
Norihiko
Sugimoto and
Katsuya Ishii,
8th EMS Annual
Meeting, 8th European Conference on Applications of Meteorology (EMS2008), Sep 29 to Oct 3, 2008, Amsterdam, Netherlands (presented in
poster).
[22] High speed non-empirical cyclone
detection method,
Norihiko
Sugimoto, Minh
Tuan Pham, Kanta Tachibana, Ryo Mizuta, Tomohiro Yoshikawa and Takeshi
Furuhashi,
8th EMS Annual
Meeting, 8th European Conference on Applications of Meteorology (EMS2008), Sep 29 to Oct 3, 2008, Amsterdam, Netherlands (presented in
oral).
[21] Application of high speed
spherical self-organizing map to climate research,
Norihiko
Sugimoto,
Kanta Tachibana, Hideo Shiogama, and Toru Nozawa,
Joint 4th International Conference
on Soft Computing and Intelligent Systems (SCIS) and 9th International
Symposium on Advanced Intelligent Systems (ISIS), Sep 17 to 21, 2008, Nagoya, Japan
(presented in oral).
[20] Numerical investigation on spontaneous
gravity wave radiation from a jet stream in a simplified model,
Norihiko
Sugimoto and
Katsuya Ishii,
International Climate and Weather of the
Sun-Earth System Symposium (ICAWSES2007), Oct 23 to 27, 2007, Kyoto, Japan
(presented in oral).
[19] Natural variability visualized by
self-organizing map,
Norihiko
Sugimoto, Kanta
Tachibana, Sven Buchholz, Hideo Shiogama, and Toru Nozawa,
7th EMS Annual
Meeting, 8th European Conference on Applications of Meteorology (EMS2007), Oct 1 to 5, 2007, San Lorenzo de El Escorial, Spain, (presented
in poster with oral introduction).
[18] Numerical investigation on spontaneous
gravity wave radiation from an unsteady jet in a spherical rotating shallow
water,
Norihiko
Sugimoto and
Katsuya Ishii,
7th EMS Annual
Meeting, 8th European Conference on Applications of Meteorology (EMS2007), Oct 1 to 5, 2007, San Lorenzo de El Escorial, Spain, (presented
in oral).
[17] Modes of climate variability visualized by self-organizing map,
Norihiko
Sugimoto, Kanta
Tachibana, and Sven Buchholz,
Second International Conference on Earth System
Modelling (ICESM2007),
Aug 27 to 31, 2007, Hamburg, Germany (presented in poster).
[16] Spontaneous gravity wave radiation from a
jet in a simplified model,
Norihiko
Sugimoto and Katsuya Ishii,
Second International Conference on Earth System
Modelling (ICESM2007),
Aug 27 to 31, 2007, Hamburg, Germany (presented in oral).
[15] Dominant modes of climate variability
extracted by self-organizing map,
Norihiko
Sugimoto and Kanta
Tachibana,
The 24th General Assembly of International Union of
Geodesy and Geophysics (IUGG2007), Jul 2 to 13, 2007, Perugia, Italy (presented in
poster).
[14] Spontaneous inertial gravity wave
radiation from a jet stream in a shallow water system on a rotating sphere,
Norihiko
Sugimoto and Katsuya Ishii,
The 24th General Assembly of International Union of
Geodesy and Geophysics (IUGG2007), Jul 2 to 13, 2007, Perugia, Italy (presented in
oral).
[13] Recent climate change visualized by
self-organizing map,
Norihiko
Sugimoto and Kanta
Tachibana,
1st
International Summit on “Hurricanes and Climate Change”, May 27 to
Jun 1, 2007, Crete, Greece, (presented in poster).
[12] A perspective on the study of climate change using geometric
algebra,
Norihiko
Sugimoto and Kanta
Tachibana,
International
workshop for “Computational Science with Geometric Algebra”, Feb 14
to 21, 2007, Nagoya, Japan, (presented in oral).
[11] Spontaneous gravity wave radiation from unsteady rotational flows in
shallow water system on an f-plane
and a rotating sphere,
Norihiko
Sugimoto,
Keiichi Ishioka, and Katsuya Ishii,
Spontaneous
Imbalance Workshop #1:Perspectives from atmospheric and oceanic dynamics,
Aug 7 to 10, 2006, Seattle, USA, (presented in oral).
[10] Numerical simulation of shallow water system on a sphere using a combined
compact difference scheme,
Norihiko
Sugimoto
and Katsuya Ishii,
The
2006 Workshop on “the Solution of Partial Differential Equations on the Sphere”,
Jul 26 to 29, 2006, Monterey, USA, (presented in oral).
[9] Gravity wave radiation from unsteady jet flows in shallow water system
on f-plane and rotating sphere,
Norihiko
Sugimoto,
Keiichi Ishioka, and Katsuya Ishii,
9th
Tamura Symposium “Frontiers in Dynamics: Physical and Biological Systems”,
May 22 to 24, 2006, Tokyo, Japan (presented in poster).
[8] Numerical investigations on gravity wave radiation from unsteady
rotational flows in an f-plane
shallow water system,
Norihiko
Sugimoto,
Keiichi Ishioka, and Katsuya Ishii,
European
Geosciences Union General Assembly 2006 (EGU2006), Apr 2 to 7, 2006,
Vienna, Austria (presented in poster).
[7] Parameter sweep experiments on gravity wave radiation from unsteady jet
in f-plane shallow water system,
Norihiko
Sugimoto
and Keiichi Ishioka,
International Symposium on “Frontiers of
Computational Science 2005” (FCS2005), Dec 12 to 13, 2005, Nagoya, Japan
(presented in poster).
[6] Gravity wave radiation from unsteady rotational flows in the f-plane shallow water -Parameter sweep
experiments-,
Norihiko
Sugimoto
and Keiichi Ishioka,
14th International Couette
Taylor Workshop (ICTW2005), Sep 5 to 7, 2005, Sapporo, Japan (presented in
oral).
[5] Parameter sweep experiments on gravity wave radiation from unsteady
rotational flows in f-plane shallow
water system,
Norihiko
Sugimoto
and Keiichi Ishioka,
13th Conference on Middle
Atmosphere/15th Conference on Atmospheric and Oceanic Fluid
Dynamics/17th Conference on Climate Variability and Change (AMS2005),
Jun 13 to 17, 2005, Cambridge,
USA (presented in poster).
[4] Gravity wave radiation from
unsteady rotational flow in f-plane
shallow water system,
Norihiko
Sugimoto,
Keiichi Ishioka, and Shigeo Yoden,
International Kick-off Symposium for
Kyoto University Active Geosphere Investigations (KAGI21), Dec 16 to 17,
2003, Kyoto, Japan (presented in poster).
[3] Gravity wave radiation from
rotational flow in f-plane shallow
water system,
Norihiko
Sugimoto,
Keiichi Ishioka, and Shigeo Yoden,
The 13th Geophysical and
Environmental Fluid Dynamics Summer School, Sep 8 to 19, 2003, Cambridge, UK (presented in poster).
[2] Balance dynamics in the f-plain shallow water,
Norihiko
Sugimoto,
Keiichi Ishioka, and Shigeo Yoden,
The 23rd General Assembly of
International Union of Geodesy and Geophysics (IUGG2003), Jun 30 to Jul 11,
2003, Sapporo, Japan (presented in oral).
[1] Gravity wave radiation from
instability of jets in shallow-water systems,
Keiichi
Ishioka, Norihiko Sugimoto, and Shigeo Yoden,
Japan-U.S.Seminar (Kyoto2001), Mar 13
to 17, 2001, Kyoto, Japan (presented in poster).
Sugimoto
Norihiko < nori @ phys-h.keio.ac.jp >
Updated:
24th, Nov., 2023;