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1

Parametric excitation of alfvén wave by magnetosonic wave with oblique propagation

Kiyohumi Yumoto, Takao Saito

Journal:

Planetary and Space Science

Year:

1982

Language:

english

File:

PDF, 906 KB

english, 1982

2

Direct magnetic signals from earthquake rupturing: Iwate-Miyagi earthquake of M 7.2, Japan

Kan Okubo, Nobunao Takeuchi, Mitsuru Utsugi, Kiyohumi Yumoto, Yoichi Sasai

Journal:

Earth and Planetary Science Letters

Year:

2011

Language:

english

File:

PDF, 1.16 MB

english, 2011

3

ULF electromagnetic precursors for an earthquake at Biak, Indonesia on February 17, 1996

Hayakawa, Masashi, Itoh, Tetsuya, Hattori, Katsumi, Yumoto, Kiyohumi

Journal:

Geophysical Research Letters

Year:

2000

Language:

english

File:

PDF, 718 KB

english, 2000

4

Global, low-latitude, vertical E × B drift velocities inferred from daytime magnetometer observations

Anderson, David, Anghel, Adela, Chau, Jorge L., Yumoto, Kiyohumi

Journal:

Space Weather The International Journal of Research and Applications

Year:

2006

Language:

english

File:

PDF, 4.65 MB

english, 2006

5

Results of ultra-low-frequency magnetic field measurements during the Guam Earthquake of 8 August 1993

Hayakawa, Masashi, Kawate, Ryusuke, Molchanov, Oleg A., Yumoto, Kiyohumi

Journal:

Geophysical Research Letters

Year:

1996

Language:

english

File:

PDF, 518 KB

english, 1996

6

Un-decimated discrete wavelet transform based algorithm for extraction of geomagnetic storm sudden commencement onset of high resolution records

Hafez, Ali G., Ghamry, Essam, Yayama, Hideki, Yumoto, Kiyohumi

Journal:

Computers & Geosciences

Year:

2013

Language:

english

File:

PDF, 1.26 MB

english, 2013

7

Spectral power of low-latitude Pi 2 pulsations at the 210° magnetic meridian stations and plasmaspheric cavity resonances

Cheng, Ching-Chang, Chao, Jih-Kwin, Yumoto, Kiyohumi

Journal:

Earth Planets and Space

Year:

2000

Language:

english

File:

PDF, 532 KB

english, 2000

8

The earth's palaeomagnetosphere as the third type of planetary magnetosphere

Takao Saito, Tohru Sakurai, Kiyohumi Yumoto

Journal:

Planetary and Space Science

Year:

1978

Language:

english

File:

PDF, 1.13 MB

english, 1978

9

Hydromagnetic waves driven by velocity shear instability in the magnetospheric boundary layer

Kiyohumi Yumoto, Takao Saito

Journal:

Planetary and Space Science

Year:

1980

Language:

english

File:

PDF, 891 KB

english, 1980

10

Long-period magnetic pulsations generated in the magnetospheric boundary layers

Kiyohumi Yumoto

Journal:

Planetary and Space Science

Year:

1984

Language:

english

File:

PDF, 1.19 MB

english, 1984

11

Characteristics of localized resonance coupling oscillations of the slow magnetosonic wave in a non-uniform plasma

Kiyohumi Yumoto

Journal:

Planetary and Space Science

Year:

1985

Language:

english

File:

PDF, 741 KB

english, 1985

12

Low-frequency upstream wave as a probable source of low-latitude Pc 3–4 magnetic pulsations

Kiyohumi Yumoto

Journal:

Planetary and Space Science

Year:

1985

Language:

english

File:

PDF, 1.21 MB

english, 1985

13

Generation mechanism of Pc3 magnetic pulsations at very low latitudes

Kiyohumi Yumoto

Journal:

Planetary and Space Science

Year:

1986

Language:

english

File:

PDF, 537 KB

english, 1986

14

Characteristics of daytime bay and Pi2 magnetic variations: A case study

Kiyohumi Yumoto

Journal:

Planetary and Space Science

Year:

1987

Language:

english

File:

PDF, 703 KB

english, 1987

15

Simultaneous observations of the plasma density on the same field line by the CPMN ground magnetometers and the Cluster satellites

Naoya Maeda, Satoko Takasaki, Hideaki Kawano, Shinichi Ohtani, P.M.E. Décréau, J.G. Trotignon, S.I. Solovyev, D.G. Baishev, Kiyohumi Yumoto

Journal:

Advances in Space Research

Year:

2009

Language:

english

File:

PDF, 1.14 MB

english, 2009

16

Response of the reconnection electric field and polar cap potential to the IMF and velocity of solar wind

Keiichiro Fukazawa, Tomoharu Aoyama, Tatsuki Ogino, Kiyohumi Yumoto

Journal:

Journal of Atmospheric and Solar-Terrestrial Physics

Year:

2010

Language:

english

File:

PDF, 715 KB

english, 2010

17

A Science Mission for QSAT Project: Study of FACs in the Polar and Equatorial Regions

Akiko Fujimoto, Tamiki Ueno, Kiyohumi Yumoto

Journal:

Earth, Moon, and Planets

Year:

2009

Language:

english

File:

PDF, 244 KB

english, 2009

18

QSAT: The Satellite for Polar Plasma Observation

Yoshihiro Tsuruda, Akiko Fujimoto, Naomi Kurahara, Toshiya Hanada, Kiyohumi Yumoto, Mengu Cho

Journal:

Earth, Moon, and Planets

Year:

2009

Language:

english

File:

PDF, 399 KB

english, 2009

19

Local time asymmetry in the characteristics of Pc5 magnetic pulsations

Kiyohumi Yumoto, Takao Saito, Tohru Sakurai

Journal:

Planetary and Space Science

Year:

1983

Language:

english

File:

PDF, 1.25 MB

english, 1983

20

Ionospheric and geomagnetic disturbances during the 2005 Sumatran earthquakes

Alina Marie Hasbi, Mohammed Awad Momani, Mohd Alauddin Mohd Ali, Norbahiah Misran, Kazuo Shiokawa, Yuichi Otsuka, Kiyohumi Yumoto

Journal:

Journal of Atmospheric and Solar-Terrestrial Physics

Year:

2009

Language:

english

File:

PDF, 1.21 MB

english, 2009

21

Was the solar wind decelerated by comet Halley?

Oyama, Koh-ichiro, Hirao, Kunio, Hirano, Takafumi, Yumoto, Kiyohumi, Saito, Takao

Journal:

Year:

1986

File:

PDF, 390 KB

1986

22

Interaction between comet Halley and the interplanetary magnetic field observed by Sakigake

Saito, Takao, Yumoto, Kiyohumi, Hirao, Kunio, Nakagawa, Tomoko, Saito, Keiji

Journal:

Year:

1986

File:

PDF, 596 KB

1986

23

Equatorial electrodynamics and neutral background in the Asian sector during the 2009 stratospheric sudden warming

Huixin Liu, Mamoru Yamamoto, S. Tulasi Ram, Takuya Tsugawa, Yuichi Otsuka, Claudia Stolle, Eelco Doornbos, Kiyohumi Yumoto, Tsutomu Nagatsuma

Journal:

Journal of Geophysical Research: Space Physics

Year:

2011

Language:

english

File:

PDF, 655 KB

english, 2011

24

Separation of stationary and non-stationary sources with a generalized eigenvalue problem

Satoshi Hara, Yoshinobu Kawahara, Takashi Washio, Paul von Bünau, Terumasa Tokunaga, Kiyohumi Yumoto

Journal:

Neural Networks

Year:

2012

Language:

english

File:

PDF, 929 KB

english, 2012

25

Fractal characteristics of the ULF emissions along a meridian profile, based on the 210 MM stations data

Anton Varlamov, Natalia Smirnova, Masashi Hayakawa, Kiyohumi Yumoto

Journal:

Acta Geophysica

Year:

2012

Language:

english

File:

PDF, 1.74 MB

english, 2012

26

Magnetic local time and latitude dependence of amplitude of the main impulse (MI) of geomagnetic sudden commencements and its seasonal variation

Atsuki Shinbori, Yuji Tsuji, Takashi Kikuchi, Tohru Araki, Akihiro Ikeda, Teiji Uozumi, Dmitry Baishev, Boris M. Shevtsov, Tsutomu Nagatsuma, Kiyohumi Yumoto

Journal:

Journal of Geophysical Research: Space Physics

Year:

2012

Language:

english

File:

PDF, 1.47 MB

english, 2012

27

Phase relation between Pi2-associated ionospheric Doppler velocity and magnetic pulsations observed at a midlatitude MAGDAS station

Akihiro Ikeda, Kiyohumi Yumoto, Teiji Uozumi, Manabu Shinohara, Kenro Nozaki, Akimasa Yoshikawa, V. V. Bychkov, B. M. Shevtsov

Journal:

Journal of Geophysical Research: Space Physics

Year:

2010

Language:

english

File:

PDF, 350 KB

english, 2010

28

Sq current system during stratospheric sudden warming events in 2006 and 2009

Yamazaki, Yosuke, Richmond, Arthur D., Liu, Huixin, Yumoto, Kiyohumi, Tanaka, Yoshimasa

Journal:

Journal of Geophysical Research

Year:

2012

Language:

english

File:

PDF, 3.28 MB

english, 2012

29

Systematic examination of the geomagnetic storm sudden commencement using multi resolution analysis

Ali G. Hafez, Essam Ghamry, Hideki Yayama, Kiyohumi Yumoto

Journal:

Advances in Space Research

Year:

2013

Language:

english

File:

PDF, 1.20 MB

english, 2013

30

Eigenmode analysis of field line oscillations interacting with the ionosphere-atmosphere-solid earth electromagnetic coupled system

Yoshikawa, Akimasa, Itonaga, Masahiro, Fujita, Shigeru, Nakata, Hiroyuki, Yumoto, Kiyohumi

Journal:

Journal of Geophysical Research

Year:

1999

Language:

english

File:

PDF, 2.03 MB

english, 1999

31

Upper Atmosphere Research Satellite observation of a Pi2 pulsation

Takahashi, Kazue, Anderson, Brian J., Yumoto, Kiyohumi

Journal:

Journal of Geophysical Research

Year:

1999

Language:

english

File:

PDF, 1023 KB

english, 1999

32

North-south asymmetry of the amplitude of high-latitude Pc 3–5 pulsations: Observations at conjugate stations

Obana, Yuki, Yoshikawa, Akimasa, Olson, John V., Morris, Ray J., Fraser, Brian J., Yumoto, Kiyohumi

Journal:

Journal of Geophysical Research

Year:

2005

Language:

english

File:

PDF, 394 KB

english, 2005

33

Source of Pc4 pulsations observed on the nightside

Takahashi, Kazue, Liou, Kan, Yumoto, Kiyohumi, Kitamura, Kentarou, Nosé, Masahito, Honary, Farideh

Journal:

Journal of Geophysical Research

Year:

2005

Language:

english

File:

PDF, 1.15 MB

english, 2005

34

Quantification and hemispheric asymmetry of low-latitude geomagnetic disturbances caused by solar wind pressure enhancements

Huang, Chao-Song, Yumoto, Kiyohumi

Journal:

Journal of Geophysical Research

Year:

2006

Language:

english

File:

PDF, 1.05 MB

english, 2006

35

Global features of Pi 2 pulsations obtained by independent component analysis

Tokunaga, Terumasa, Kohta, Hiroko, Yoshikawa, Akimasa, Uozumi, Teiji, Yumoto, Kiyohumi

Journal:

Geophysical Research Letters

Year:

2007

Language:

english

File:

PDF, 546 KB

english, 2007

36

Low-latitude ionospheric electric and magnetic field disturbances in response to solar wind pressure enhancements

Huang, Chao-Song, Yumoto, Kiyohumi, Abe, Shuji, Sofko, George

Journal:

Journal of Geophysical Research

Year:

2008

Language:

english

File:

PDF, 3.55 MB

english, 2008

37

On the reported magnetic precursor of the 1993 Guam earthquake

Thomas, Jeremy N., Love, Jeffrey J., Johnston, Malcolm J. S., Yumoto, Kiyohumi

Journal:

Geophysical Research Letters

Year:

2009

Language:

english

File:

PDF, 335 KB

english, 2009

38

Alfvenic-coupling algorithm for global and dynamical magnetosphere-ionosphere coupled system

Yoshikawa, Akimasa, Nakata, Hiroyuki, Nakamizo, Aoi, Uozumi, Teiji, Itonaga, Masahiro, Fujita, Shigeru, Yumoto, Kiyohumi, Tanaka, Takashi

Journal:

Journal of Geophysical Research

Year:

2010

Language:

english

File:

PDF, 240 KB

english, 2010

39

Use of single-component wind speed in Rankine-Hugoniot analysis of interplanetary shocks

Vorotnikov, Vasiliy S., Smith, Charles W., Farrugia, Charles J., Meredith, Calum J., Hu, Qiang, Szabo, Adam, Skoug, Ruth M., Cohen, Christina M. S., Davis, Andrew J., Yumoto, Kiyohumi

Journal:

Space Weather The International Journal of Research and Applications

Year:

2011

Language:

english

File:

PDF, 356 KB

english, 2011

40

Dependence of the amplitude of Pc5-band magnetic field variations on the solar wind and solar activity

Takahashi, Kazue, Yumoto, Kiyohumi, Claudepierre, Seth G., Sanchez, Ennio R., Troshichev, Oleg A., Janzhura, Alexander S.

Journal:

Journal of Geophysical Research

Year:

2012

Language:

english

File:

PDF, 1.76 MB

english, 2012

41

On the cavity mode nature of low-latitude Pi 2 pulsations

Sutcliffe, Peter R., Yumoto, Kiyohumi

Journal:

Journal of Geophysical Research

Year:

1991

Language:

english

File:

PDF, 928 KB

english, 1991

42

AMPTE CCE observations of Pi 2 pulsations in the inner magnetosphere

Takahashi, Kazue, Ohtani, Shin-ichi, Yumoto, Kiyohumi

Journal:

Geophysical Research Letters

Year:

1992

Language:

english

File:

PDF, 384 KB

english, 1992

43

dayside Pi 2 pulsations at low latitudes

Sutcliffe, Peter R., Yumoto, Kiyohumi

Journal:

Geophysical Research Letters

Year:

1989

Language:

english

File:

PDF, 404 KB

english, 1989

44

Nonlinear resonance theory of Pc 3 magnetic pulsation

Yumoto, Kiyohumi, Saito, Takao

Journal:

Journal of Geophysical Research

Year:

1982

Language:

english

File:

PDF, 1013 KB

english, 1982

45

Relation of compressional HM waves at Goes 2 to low-latitude Pc 3 magnetic pulsations

Yumoto, Kiyohumi, Saito, Takao

Journal:

Journal of Geophysical Research

Year:

1983

Language:

english

File:

PDF, 1.16 MB

english, 1983

46

Relationship between the IMF magnitude and Pc 3 magnetic pulsations in the magnetosphere

Yumoto, Kiyohumi, Saito, Takao, Tsurutani, Bruce T., Smith, Edward J., Akasofu, Syun-Ichi

Journal:

Journal of Geophysical Research

Year:

1984

Language:

english

File:

PDF, 1.09 MB

english, 1984

47

Propagation mechanism of daytime Pc 3–4 pulsations observed at synchronous orbit and multiple ground-based stations

Yumoto, Kiyohumi, Saito, Takao, Akasofu, Syun-Ichi, Tsurutani, Bruce T., Smith, Edward J.

Journal:

Journal of Geophysical Research

Year:

1985

Language:

english

File:

PDF, 1.21 MB

english, 1985

48

Low-latitude Pc 3 magnetic pulsations observed at conjugate stations (L ∼ 1.5)

Yumoto, Kiyohumi, Saito, Takao, Tanaka, Yoshihito

Journal:

Journal of Geophysical Research

Year:

1985

Language:

english

File:

PDF, 728 KB

english, 1985

49

Long-term behavior of annual and semi-annualSqvariations

Yamazaki, Yosuke, Yumoto, Kiyohumi

Journal:

Earth Planets and Space

Year:

2012

Language:

english

File:

PDF, 2.30 MB

english, 2012

50

Analysis of propagation delays of compressional Pi 2 waves between geosynchronous altitude and low latitudes

Imajo, Shun, Yumoto, Kiyohumi, Uozumi, Teiji, Kawano, Hideaki, Abe, Shuji, Ikeda, Akihiro, Koga, Kiyokazu, Matsumoto, Haruhisa, Obara, Takahiro, Marshall, Richard, Akulichev, Victor A, Mahrous, Ayman,

Journal:

Earth Planets and Space

Year:

2014

Language:

english

File:

PDF, 570 KB

english, 2014