D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Earth Science D-index 66 Citations 14,701 620 World Ranking 769 National Ranking 13

Overview

What is he best known for?

The fields of study he is best known for:

  • Quantum mechanics
  • Electromagnetic radiation
  • Optics

His primary areas of investigation include Seismology, Ionosphere, Geophysics, Earth's magnetic field and Ionospheric perturbations. Masashi Hayakawa has included themes like Magnitude, Signal and Fractal analysis in his Seismology study. His study in Ionosphere is interdisciplinary in nature, drawing from both Electromagnetic radiation, Electric field, Amplitude, Meteorology and Electromagnetic Phenomena.

Masashi Hayakawa combines subjects such as Lightning, Magnetosphere, Magnetic field, Noise and Coupling with his study of Geophysics. His studies deal with areas such as Principal component analysis, Fractal, Earthquake swarm and Geodesy as well as Earth's magnetic field. His Ionospheric perturbations research is multidisciplinary, incorporating elements of Gravity wave and Very low frequency.

His most cited work include:

  • Atmospheric and ionospheric electromagnetic phenomena associated with earthquakes (372 citations)
  • Results of ultra-low-frequency magnetic field measurements during the Guam Earthquake of 8 August 1993 (265 citations)
  • Subionospheric VLF signal perturbations possibly related to earthquakes (249 citations)

What are the main themes of his work throughout his whole career to date?

His scientific interests lie mostly in Ionosphere, Geophysics, Seismology, Computational physics and Amplitude. His Ionosphere research incorporates elements of Atmosphere, Electric field, Atmospheric sciences and Geodesy. He focuses mostly in the field of Geophysics, narrowing it down to matters related to Whistler and, in some cases, Latitude.

His Seismology study integrates concerns from other disciplines, such as Ionospheric perturbations, Magnitude and Earth's magnetic field. His work deals with themes such as Electromagnetic radiation, Optics and Electromagnetic field, which intersect with Computational physics. His research in Amplitude intersects with topics in Signal and Very low frequency.

He most often published in these fields:

  • Ionosphere (33.29%)
  • Geophysics (31.99%)
  • Seismology (28.41%)

What were the highlights of his more recent work (between 2013-2021)?

  • Ionosphere (33.29%)
  • Geophysics (31.99%)
  • Seismology (28.41%)

In recent papers he was focusing on the following fields of study:

The scientist’s investigation covers issues in Ionosphere, Geophysics, Seismology, Schumann resonances and Computational physics. His research on Ionosphere also deals with topics like

  • Lightning most often made with reference to Amplitude,
  • Atmosphere which connect with Plasma. His work carried out in the field of Geophysics brings together such families of science as Electromagnetic radiation, Anomaly and Lithosphere.

His Seismology research is multidisciplinary, incorporating perspectives in Ionospheric perturbations, Magnitude and Earth's magnetic field, Magnetic field. His biological study spans a wide range of topics, including Spectral line, Signal, Nuclear magnetic resonance and Conductivity. His Computational physics study combines topics from a wide range of disciplines, such as Time domain, Radio wave, Resonance, Electric field and Waveform.

Between 2013 and 2021, his most popular works were:

  • Earthquake Prediction with Radio Techniques (46 citations)
  • Infinity computations in cellular automaton forest-fire model (40 citations)
  • Ultra and Extremely Low Frequency Electromagnetic Fields (35 citations)

In his most recent research, the most cited papers focused on:

  • Quantum mechanics
  • Magnetic field
  • Optics

His primary scientific interests are in Ionosphere, Seismology, Magnetic field, Geophysics and Schumann resonances. His Ionosphere research includes elements of Atmosphere, Electromagnetic field, Atmospheric sciences, Amplitude and Signal. His studies deal with areas such as Ionospheric perturbations, Magnetometer, Earth's magnetic field and Internal gravity wave as well as Seismology.

His research integrates issues of Epicenter, Ultra low frequency, Earthquake prediction, Lithosphere and Resonator in his study of Magnetic field. Masashi Hayakawa combines subjects such as Anomaly and Stratosphere with his study of Geophysics. The Schumann resonances study combines topics in areas such as Propagation constant, Computational physics and Conductivity.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Atmospheric and ionospheric electromagnetic phenomena associated with earthquakes

M. Hayakawa.
(1999)

582 Citations

Resonances in the Earth-Ionosphere Cavity

A. P. Nickolaenko;M. Hayakawa.
(2002)

476 Citations

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)

426 Citations

Thermal IR satellite data application for earthquake research in Japan and China

Andrew A. Tronin;Masashi Hayakawa;Oleg A. Molchanov.
Journal of Geodynamics (2002)

387 Citations

Subionospheric VLF signal perturbations possibly related to earthquakes

O. A. Molchanov;M. Hayakawa.
Journal of Geophysical Research (1998)

386 Citations

Generation of ULF electromagnetic emissions by microfracturing

O. A. Molchanov;M. Hayakawa.
Geophysical Research Letters (1995)

280 Citations

Fractal analysis of ULF geomagnetic data associated with the Guam Earthquake on August 8, 1993

Masashi Hayakawa;Tetsuya Ito;Natalia Smirnova.
Geophysical Research Letters (1999)

273 Citations

The precursory signature effect of the Kobe earthquake on VLF subionospheric signals

M. Hayakawa.
J. Comm. Res. Lab. (1996)

248 Citations

Monitoring of ULF (Ultra-Low-Frequency) Geomagnetic Variations Associated with Earthquakes

Masashi Hayakawa;Katsumi Hattori;Kenji Ohta.
Sensors (2007)

209 Citations

Penetration characteristics of electromagnetic emissions from an underground seismic source into the atmosphere, ionosphere, and magnetosphere

O. A. Molchanov;M. Hayakawa;V. A. Rafalsky.
Journal of Geophysical Research (1995)

208 Citations

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