Author

Morikazu Koyama

Observed names: Koyama, M (15477926), M Koyama, M. KOYAMA, M. Koyama

Observed institution: Shinshu University

OpenAlex ID: A5058277618

Precursors of geomagnetic storms observed by the muon detector network

2000 · Kazuoki Munakata, John W. Bieber, et al. · Journal of Geophysical Research Atmospheres · 121

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Real‐time cosmic ray monitoring system for space weather

2006 · T. Kuwabara, J. W. Bieber, et al. · Space Weather · 64

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Gaussian analysis of two hemisphere observations of galactic cosmic ray sidereal anisotropies

1999 · D. L. Hall, K. Munakata, et al. · Journal of Geophysical Research Atmospheres · 42

Geometry of an interplanetary CME on October 29, 2003 deduced from cosmic rays

2004 · T. Kuwabara, K. Munakata, et al. · Geophysical Research Letters · 41

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A “loss cone” precursor of an approaching shock observed by a cosmic ray muon hodoscope on October 28, 2003

2005 · K. Munakata, T. Kuwabara, et al. · Geophysical Research Letters · 28

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Preliminary analysis of two‐hemisphere observations of sidereal anisotropies of galactic cosmic rays

1998 · D. L. Hall, K. Munakata, et al. · Journal of Geophysical Research Atmospheres · 16

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Two Hemisphere Observations of the North-South Sidereal Asymmetry at -1TeV.

1995 · K. Munakata, S. Yasue, et al. · Journal of geomagnetism and geoelectricity · 13

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First Results of a Mobile Neutron Monitor to Intercalibrate the Worldwide Network

2003 · Tetsuo Munakata, Takuhito Kuwabara, et al. · eCite Digital Repository (University of Tasmania) · 8

Long term variation of cosmic ray latitude gradient in the heliosphere

1999 · K Munakata, I Sakurai, et al. · Advances in Space Research · 7

Solar cycle variations of modulation parameters of galactic cosmic-rays in the heliosphere

2002 · K. Munakata, H. Miyasaka, et al. · Advances in Space Research · 6

Enhanced sidereal diurnal variation of galactic cosmic rays observed by the two‐hemisphere network of surface level muon telescopes

1999 · K. Munakata, T. Kitawada, et al. · Journal of Geophysical Research Atmospheres · 6

Solar semidiurnal anisotropy of galactic cosmic ray intensity observed by the two‐hemisphere network of surface‐level muon telescopes

1998 · K. Munakata, T. Kitawada, et al. · Journal of Geophysical Research Atmospheres · 6

Observation of the North-South Asymmetry of Sidereal Anisotropy of Cosmic Rays at Matsushiro Underground.

1995 · Satoru Mori, Shinichi Yasue, et al. · Journal of geomagnetism and geoelectricity · 6

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CME Geometry Deduced from Cosmic Ray Anisotropy

2003 · K. Munakata, T. Kuwabara, et al. · ICRC · 4

Observation of Sidereal Anisotropy of Cosmic Rays at ∼1 TV

1995 · S. Mori, S. Yasue, et al. · ICRC · 4

Gaussian Analysis of the two Hemisphere Observations of Sidereal Daily Variations of Galactic Cosmic Rays

1997 · D. L. Hall, K. Mumakata, et al. · Figshare · 3

Two Hemisphere Observations of the North-South Sidereal Asymmetry at -1 TeV

1993 · S. Mori, S. Yasue, et al. · International Cosmic Ray Conference · 3

Sidereal daily variation of galactic cosmic rays

1999 · D.L Hall, K Munakata, et al. · Advances in Space Research · 1

Sidereal Diurnal Variations Observed by the Two Hemisphere Network of Surface Level Muon Telescopes

1995 · K. Munakata, S. Yasue, et al. · Figshare · 1

Two Hemisphere Observations of the North-South Asymmetry at ~1Tev

1995 · Munakata, K (15477080), Yasue, S (15477083), et al. · Figshare · 1

On the Upper Limiting Energy of the Solar Diurnal Anisotropy of Galactic Cosmic Ray Intensity

2010 · K. MUNAKATA, S. YASUE, et al. · WORLD SCIENTIFIC eBooks

Cosmic Ray Observations During the October-November 2003 Storms With Spaceship Earth and the Muon Detector Network

2004 · H. Miyasaka, J. W. Bieber, et al. · AGU Spring Meeting Abstracts

Geometry of a CME responsible for severe cosmic-ray and geomagnetic storms on October 29, 2003

2004 · T. Kuwabara, K. Munakata, et al. · cosp

cosmic ray intensity variation and multiple shocks

2004 · C. Kato, M. Koyama, et al. · 35th COSPAR Scientific Assembly

Remote Sensing of CMEs with Cosmic Rays

2003 · H. Miyasaka, J. W. Bieber, et al. · AGU Fall Meeting Abstracts

Works count: 27

Citation count: 381

H-index: 8

I10-index: 7