His scientific interests lie mostly in Geophysics, Magnetosphere, Earth's magnetic field, Latitude and Ionosphere. His Geophysics research integrates issues from Magnetopause, Astrophysics, Amplitude, Daytime and Substorm. The concepts of his Magnetosphere study are interwoven with issues in Low latitude, Magnetometer, Wave propagation and Magnetohydrodynamics.
In his research, Frequency spectrum and Magnetic intensity is intimately related to Seismology, which falls under the overarching field of Earth's magnetic field. His Latitude research incorporates themes from Middle latitudes, Equatorial electrojet and Meridian. His biological study spans a wide range of topics, including Meteorology, Noon and Geodesy.
His main research concerns Geophysics, Earth's magnetic field, Magnetosphere, Ionosphere and Substorm. His Geophysics research is multidisciplinary, incorporating perspectives in Equator, Latitude, Astrophysics, Amplitude and Solar wind. His work in Earth's magnetic field tackles topics such as Geodesy which are related to areas like Magnetometer.
His research in Magnetosphere intersects with topics in Wave propagation, Longitudinal wave, Computational physics and Magnetohydrodynamics. His research on Ionosphere also deals with topics like
Kiyohumi Yumoto mostly deals with Earth's magnetic field, Geophysics, Ionosphere, Atmospheric sciences and Magnetosphere. His Earth's magnetic field study integrates concerns from other disciplines, such as Seismology, Meteorology and Latitude, Geodesy. The study incorporates disciplines such as Amplitude, Interplanetary magnetic field, Solar wind, Substorm and Polar in addition to Geophysics.
His work in Ionosphere addresses subjects such as Equatorial electrojet, which are connected to disciplines such as Equator. His Atmospheric sciences research includes elements of Morning, Ionospheric conductivity and Electrojet. His Magnetosphere research includes themes of Field line, Computational physics, Magnetohydrodynamics and Astrophysics.
His primary areas of investigation include Earth's magnetic field, Atmospheric sciences, Ionosphere, Geophysics and Magnetosphere. His Earth's magnetic field research is multidisciplinary, incorporating elements of Seismology, Space weather and Latitude, Geodesy. His studies in Latitude integrate themes in fields like Amplitude, Local time and Middle latitudes.
The various areas that Kiyohumi Yumoto examines in his Ionosphere study include Climatology, Magnetohydrodynamics and Total current. In his study, Dynamic pressure is strongly linked to Solar wind, which falls under the umbrella field of Geophysics. His work on Substorm as part of general Magnetosphere research is often related to Inductive coupling, thus linking different fields of science.
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Results of ultra-low-frequency magnetic field measurements during the Guam Earthquake of 8 August 1993
Masashi Hayakawa;Ryusuke Kawate;Oleg A. Molchanov;Kiyohumi Yumoto.
Geophysical Research Letters (1996)
Global dayside ionospheric uplift and enhancement associated with interplanetary electric fields
Bruce Tsurutani;Anthony Mannucci;Byron Iijima;Mangalathayil Ali Abdu.
Journal of Geophysical Research (2004)
Estimating daytime vertical ExB drift velocities in the equatorial F-region using ground-based magnetometer observations
David Anderson;Adela Anghel;Kiyohumi Yumoto;Mutsumi Ishitsuka.
Geophysical Research Letters (2002)
Multipoint analysis of a bursty bulk flow event on April 11, 1985
V. Angelopoulos;F. V. Coroniti;C. F. Kennel;M. G. Kivelson.
Journal of Geophysical Research (1996)
ULF electromagnetic precursors for an earthquake at Biak, Indonesia on February 17, 1996
Masashi Hayakawa;Tetsuya Itoh;Katsumi Hattori;Kiyohumi Yumoto.
Geophysical Research Letters (2000)
Characteristics of Pi 2 magnetic pulsations observed at the CPMN stations:A review of the STEP results
Kiyohumi Yumoto.
Earth, Planets and Space (2001)
Generation and propagation mechanisms of low-latitude magnetic pulsations ― A review
Kiyohumi Yumoto.
Journal of geophysics (1986)
Disruption of the magnetotail current sheet observed by AMPTE/CCE
K. Takahashi;L. J. Zanetti;R. E. Lopez;R. W. McEntire.
Geophysical Research Letters (1987)
The step 210° Magnetic meridian network Project
K. Yumoto.
Journal of geomagnetism and geoelectricity (1996)
Propagation mechanism of daytime Pc 3-4 pulsations observed at synchronous orbit and multiple ground-based stations
Kiyohumi Yumoto;Takao Saito;Syun-Ichi Akasofu;Bruce T. Tsurutani.
Journal of Geophysical Research (1985)
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