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Hirofumi Ohyama

Hirofumi Ohyama publishes mostly in Global and Planetary Change, Atmospheric Science and Aerospace Engineering, on topics such as Atmospheric and Environmental Gas Dynamics, Atmospheric Ozone and Climate and Spectroscopy and Laser Applications.

World rank
#347,868
of 1,633,909 ranked researchers
Rank in Japan
#11,308
of 114,622
Works
32
Citations
129
Citations per work
4.0

What does Hirofumi Ohyama research?

Global and Planetary Change: 32.4%Atmospheric Science: 29.7%Aerospace Engineering: 8.1%Spectroscopy: 8.1%other fields: 21.7%32%top field
Global and Planetary Change32.4%Atmospheric Science29.7%Aerospace Engineering8.1%Spectroscopy8.1%other fields21.7%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Global and Planetary Change32% of their works
  2. 2Atmospheric Science30% of their works
  3. 3Aerospace Engineering8% of their works
  4. 4Spectroscopy8% of their works
  5. 5Geophysics5% of their works
  6. 6Oceanography5% of their works

Research topics

Which keywords describe Hirofumi Ohyama's research?

The keywords of their largest research topics: Emissions, Methane, Ozone Depletion, Stratospheric Water Vapor, Climate Change, Sea Level Rise, Spectroscopic Databases and Terahertz Quantum-Cascade Lasers.

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 18 words, with their numbers
  1. Emissions111 topic
  2. Methane111 topic
  3. Ozone Depletion81 topic
  4. Stratospheric Water Vapor81 topic
  5. Climate Change32 topics
  6. Sea Level Rise32 topics
  7. Spectroscopic Databases31 topic
  8. Terahertz Quantum-Cascade Lasers31 topic
  9. Atmospheric Aerosols21 topic
  10. Black Carbon21 topic
  11. GRACE21 topic
  12. groundwater depletion21 topic
  13. Constraint Optimization11 topic
  14. Distributed Algorithms11 topic
  15. Glacier11 topic
  16. Machine Learning11 topic
  17. Seismic Signals11 topic
  18. Water Availability11 topic

Where does Hirofumi Ohyama work?

Hirofumi Ohyama's main affiliation in the publication record is National Institute for Environmental Studies, Japan.

How many publications and citations does Hirofumi Ohyama have?

Science Explorer counts 32 works and 129 citations for Hirofumi Ohyama, ranking #347,868 of 1,633,909 researchers worldwide on the composite 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 are in the interactive view on the map. Is this your page? Request a correction or removal.