K. Hakamada

Chubu University — Japan

Physics and Astronomy · Physical Sciences

18h-index1.1kcitations61works0.02yr avg
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Research Topics

Solar and Space Plasma Dynamics(57), Ionosphere and magnetosphere dynamics(37), Astro and Planetary Science(18), Geomagnetism and Paleomagnetism Studies(17), Stellar, planetary, and galactic studies(10)

Publications61 total

Rarefaction of the Very Slow (<350 km/s) Solar Wind in Cycle 24 Compared With Cycle 23
Journal of Geophysical Research Space Physics·2018· 7 citedOpen Access
Relationship between north-south component of magnetic field in sheath regions and coronal magnetic fields
Japan Geoscience Union·2017
Relation Between Coronal Hole Areas and Solar Wind Speeds Derived from Interplanetary Scintillation Measurements
Solar Physics·2017· 36 cited
LONG-TERM TREND OF SOLAR CORONAL HOLE DISTRIBUTION FROM 1975 TO 2014
The Astrophysical Journal Letters·2016· 29 citedOpen Access
Spherical Harmonic Expansion of Solar Wind Speed
Japan Geoscience Union·2016
Comparison of calculated and observed IMF near magnetic cloud start times
Japan Geoscience Union·2016
A Statistical Study of the Radial and North-South Component Values of Heliospheric Magnetic Field
Japan Geoscience Union·2016· 1 cited
Global distribution of the solar wind and its evolution during cycles 22-24
AIP conference proceedings·2016· 2 cited
Relationship Between Solar-Wind Speed and Coronal Magnetic-Field Properties
Solar Physics·2015· 30 citedOpen Access
The souce region of solar wind in the photosphere
Japan Geoscience Union·2015
Relationship between coronal hole area and solar wind speed
Japan Geoscience Union·2015
Relationships among cosmic ray intensity, the photospheric magnetic field, and solar wind speed
Japan Geoscience Union·2014
Probe of the Solar Magnetic Field Using the “Cosmic-Ray Shadow” of the Sun
Physical Review Letters·2013· 49 citedOpen Access
Probing Solar Magnetic Field with the "Cosmic-Ray Shadow" of the Sun
arXiv (Cornell University)·2013Open Access
Polarity Reversal Time of the Magnetic Dipole Component of the Sun in Solar Cycle 24
Solar Physics·2013· 1 cited
Source regions of solar wind disappearance events
Journal of Geophysical Research Atmospheres·2008· 15 citedOpen Access
What Coronal Parameters Determine Solar Wind Speed
2007· 3 cited
Resolving the enigmatic solar wind disappearance event of 11 May 1999
Journal of Geophysical Research Atmospheres·2005· 21 cited
What Determines the Solar Wind Speed
AGUSM·2005
Correlation between Expansion Rate of the Coronal Magnetic Field and Solar Wind Speed in a Solar Activity Cycle
Solar Physics·2005· 9 cited
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Frequent Co-authors

M. Tokumaru(26), K. Fujiki(25), M. Kojima(16), T. Ohmi(14), Masayoshi Kojima(10), A. Yokobe(8), Keiji Hayashi(5), Takashi Murayama(4), S.‐I. Akasofu(3), Daiki Satonaka(3), M. Hirano(3), Masahiro Yamashita(3), Takao Aoki(2), S.‐I. Akasofu(2), S. Yasue(2), Tomoya Iju(2), Y. Munakata(2), P. Janardhan(2), Daisuke Baba(2), Tomoya Shimoyama(2)