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Researcher · Shinshu University · Japan

Morikazu Koyama

Morikazu Koyama publishes mostly in Astronomy and Astrophysics, Nuclear and High Energy Physics and Organic Chemistry, on topics such as Solar and Space Plasma Dynamics, Astrophysics and Cosmic Phenomena and Ionosphere and magnetosphere dynamics.

OpenAlex
World rank
#4,172,832
of 7,710,434 ranked researchers
Rank in Japan
#114,776
of 383,136
Works
28
Citations
383
Citations per work
13.7
h-index
8
i10-index 7Top 67% in Astronomy and Astrophysics
Morikazu Koyama

What does Morikazu Koyama research?

Morikazu Koyama's work is mostly in Physics and Astronomy (72%), Chemistry (5%), Computer Science (4%).

Physical Sciences: 23 works · 82.9% of their workPhysics and Astronomy: 20 works · 71.9% of their workAstronomy and Astrophysics: 11 works · 37.8% of their workNuclear and High Energy Physics: 9 works · 31.7% of their workRadiation: 1 works · 2.4% of their workChemistry: 1 works · 4.9% of their workOrganic Chemistry: 1 works · 4.9% of their workComputer Science: 1 works · 3.7% of their workArtificial Intelligence: 1 works · 3.7% of their workEarth and Planetary Sciences: 1 works · 2.4% of their workOceanography: 1 works · 2.4% of their workEverything else: 5 works · 17.1% of their workTHEIR WORKMorikazu Koyama28works
Physical Sciences83%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Physics and Astronomy2071.9%
    2. Chemistry14.9%
    3. Computer Science13.7%
    4. Earth and Planetary Sciences12.4%
  2. Everything else517.1%
  1. 1Astronomy and Astrophysics38% of their works
  2. 2Nuclear and High Energy Physics32% of their works
  3. 3Organic Chemistry5% of their works
  4. 4Artificial Intelligence4% of their works
  5. 5Oceanography2% of their works
  6. 6Radiation2% of their works

Research topics

Which keywords describe Morikazu Koyama's research?

The keywords of their largest research topics: Solar Wind, Cosmic Rays, Neutrinos, Coronal Mass Ejections, Solar Dynamics Observatory, High-Energy Astrophysics, Particle Acceleration and Dark Matter.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 21 words, with their numbers
  1. Solar Wind232 topics
  2. Cosmic Rays212 topics
  3. Neutrinos212 topics
  4. Coronal Mass Ejections151 topic
  5. Solar Dynamics Observatory151 topic
  6. High-Energy Astrophysics141 topic
  7. Particle Acceleration141 topic
  8. Dark Matter102 topics
  9. Particle Physics102 topics
  10. Ionosphere81 topic
  11. Magnetosphere81 topic
  12. Axions71 topic
  13. WIMPs71 topic
  14. Cosmological Parameters31 topic
  15. Dark Energy31 topic
  16. Higgs Boson31 topic
  17. High-Energy Collider31 topic
  18. GRACE21 topic
  19. Python21 topic
  20. Scientific Computing21 topic
  21. Sea Level Rise21 topic

Where does Morikazu Koyama work?

Morikazu Koyama's main affiliation in the publication record is Shinshu University, Japan.

How many publications and citations does Morikazu Koyama have?

OpenAlex counts 28 works and 383 citations for Morikazu Koyama, an h-index of 8, ranking #4,172,832 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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