World's Best Scientists 2026 revealed!
Takehiro Koyaguchi

Takehiro Koyaguchi

D-Index & Metrics

Earth Science

D-Index
39
Citations
4502
World Ranking
6294
National Ranking
173

Overview

Takehiro Koyaguchi is a researcher affiliated with the University of Tokyo in Japan. Their work primarily spans the fields of Earth and Planetary Sciences and Engineering, with a particular focus on geophysics, atmospheric science, earth-surface processes, computational mechanics, and ocean engineering.

The research topics covered by Koyaguchi include earthquake and tectonic studies, geological and geochemical analysis, meteorological phenomena and simulations, geological formations and processes, geology and paleoclimatology research, fluid dynamics and turbulent flows, as well as particle dynamics in fluid flows.

Koyaguchi's recent papers are published in a range of journals, highlighting an emphasis on volcanic activity, fluid dynamics, and associated geophysical phenomena. Selected publications include:

  • Validation of a two-layer depth-averaged model by comparison with an experimental dilute stratified pyroclastic density current, 2021, Bulletin of Volcanology
  • Dynamics and Deposits of Pyroclastic Density Currents in Magmatic and Phreatomagmatic Eruptions Revealed by a Two-Layer Depth-Averaged Model, 2023, Geophysical Research Letters
  • Constraints on magma storage conditions based on geodetic volume change and erupted magma volume and application to the 2011 and 2018 eruptions at Kirishima Shinmoe-dake volcano, Japan, 2023, Earth Planets and Space
  • Control of Vent Geometry on the Fluid Dynamics of Volcanic Plumes: Insights From Numerical Simulations, 2020, Geophysical Research Letters
  • Dynamics of gas-driven eruption on Ceres as a probe to its interior, 2023, Icarus

The frequent co-authors collaborating with Koyaguchi include Yujiro Suzuki, Hiroyuki A. Shimizu, Kensuke Ishii, Akira Nishijo, and Tomofumi Kozono. These collaborations indicate active engagement with researchers specializing in geophysics and related areas within Earth and Planetary Sciences.

Koyaguchi's work appears regularly in several prominent scientific venues. The most frequent publication outlets include:

  • Geophysical Research Letters
  • Earth Planets and Space
  • Bulletin of Volcanology
  • Icarus
  • Journal of Applied Volcanology

Best Publications

  • Transitions between explosive and effusive eruptions of silicic magmas

    Andrew W. Woods;Takehiro Koyaguchi

  • Magma mixing in a conduit

    Takehiro Koyaguchi

  • CHARGE MEASUREMENTS ON PARTICLE FALLOUT FROM A VOLCANIC PLUME

    Jennifer Gilbert;Stephen Lane;Rsj Sparks;T Koyaguchi

  • On the formation of eruption columns following explosive mixing of magma and surface‐water

    Takehiro Koyaguchi;Andrew W. Woods

  • A numerical study of turbulent mixing in eruption clouds using a three-dimensional fluid dynamics model

    Yujiro J. Suzuki;Takehiro Koyaguchi;Masaki Ogawa;Izumi Hachisu

  • Magma discharge variations during the 2011 eruptions of Shinmoe-dake volcano, Japan, revealed by geodetic and satellite observations

    Tomofumi Kozono;Hideki Ueda;Taku Ozawa;Takehiro Koyaguchi

  • Measurements of electric charge distribution in volcanic plumes at Sakurajima Volcano, Japan

    Toshiro Miura;Takehiro Koyaguchi;Yoshikazu Tanaka

  • A Two-stage Thermal Evolution Model of Magmas in Continental Crust

    Takehiro Koyaguchi;Katsuya Kaneko

  • Textural and compositional evidence for magma mixing and its mechanism, Abu volcano group, southwestern Japan

    Takehiro Koyaguchi

  • Tectonic stress controls on ascent and emplacement of magmas

    Tohru Watanabe;Takehiro Koyaguchi;Tetsuzo Seno

  • Mixing of stratified liquids by the motion of gas bubbles: application to magma mixing

    Nathalie Thomas;Stephen Tait;Takehiro Koyaguchi

  • Evidence for two-stage mixing in magmatic inclusions and rhyolitic lava domes on Niijima Island, Japan

    Takehiro Koyaguchi

  • A three‐dimensional numerical simulation of spreading umbrella clouds

    Y. J. Suzuki;T. Koyaguchi

  • Sedimentation of particles from a convecting fluid

    Takehiro Koyaguchi;Takehiro Koyaguchi;Mark A. Hallworth;Herbert E. Huppert;R. Stephen J. Sparks

  • Origin of modal and rhythmic igneous layering by sedimentation in a convecting magma chamber

    Rsj Sparks;HE Huppert;T Koyaguchi;MA Hallworth

  • Origin of the giant eruption cloud of Pinatubo, June 15, 1991

    Takehiro Koyaguchi;Masami Tokuno

  • Repeated large-scale eruptions from a single compositionally stratified magma chamber: An example from Aso volcano, Southwest Japan

    Katsuya Kaneko;Hiroki Kamata;Takehiro Koyaguchi;Masako Yoshikawa;Masako Yoshikawa

  • The effect of magma flow on nucleation of gas bubbles in a volcanic conduit

    Hélène Massol;Takehiro Koyaguchi

  • The dynamics of magma mixing in a rising magma batch

    Takehiro Koyaguchi;Stephen Blake

  • Reconstruction of eruption column dynamics on the basis of grain size of tephra fall deposits: 2. Application to the Pinatubo 1991 eruption

    Takehiro Koyaguchi;Marekazu Ohno

  • Magma mixing in mantle xenolith-bearing calc-alkalic ejecta, ichinomegata volcano, Northeastern Japan

    M. Sakuyama;T. Koyaguchi

Frequent Co-Authors

Antonio Costa
Antonio Costa National Institute of Geophysics and Volcanology
Herbert E. Huppert
Herbert E. Huppert University of Cambridge
Andrew W. Woods
Andrew W. Woods University of Cambridge
Heidy M Mader
Heidy M Mader University of Bristol
Stephen Blake
Stephen Blake The Open University
Shigeo Yoshida
Shigeo Yoshida Kurume University
Agust Gudmundsson
Agust Gudmundsson Royal Holloway University of London
Michael Manga
Michael Manga University of California, Berkeley
Tetsuzo Seno
Tetsuzo Seno University of Tokyo
Costanza Bonadonna
Costanza Bonadonna University of Geneva

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Earth Science in the USA opens doors to diverse career options and further education opportunities. For seniors considering a return to education, programs such as open university free courses for over 60s provide accessible, flexible learning options tailored to adult learners. This inclusivity helps broaden the impact of Earth Science knowledge across all age groups.

If your interest extends to specialized information management, consider programs highlighted under ala accredited library science programs online. These degrees are recognized for quality and can complement Earth Science skills, especially in managing scientific data and archives.

Understanding whether is library science a good degree helps you evaluate career viability related to environmental research libraries and data centers. Many Earth Science professionals pursue library science to enhance their expertise in information organization and retrieval.

Additionally, integrating visual skills through an online creative degree like the cheapest online photography degree can boost careers in environmental documentation and communication. These related degrees offer versatile pathways for students passionate about Earth Science and its applications.

Best Scientists Citing Takehiro Koyaguchi

Trending Scientists