Science Explorer Interactive view Map

Takeo Hirasawa

Takeo Hirasawa publishes mostly in Astronomy and Astrophysics, Geophysics and Oceanography, on topics such as Ionosphere and magnetosphere dynamics, Geomagnetism and Paleomagnetism Studies and Atmospheric Ozone and Climate.

World rank
#1,028,467
of 1,633,909 ranked researchers
Rank in Japan
#57,608
of 114,622
Works
32
Citations
22
Citations per work
0.7

What does Takeo Hirasawa research?

Astronomy and Astrophysics: 37.9%Geophysics: 10.3%Oceanography: 6.9%Aerospace Engineering: 6.9%other fields: 38.0%38%top field
Astronomy and Astrophysics37.9%Geophysics10.3%Oceanography6.9%Aerospace Engineering6.9%other fields38.0%

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

  1. 1Astronomy and Astrophysics38% of their works
  2. 2Geophysics10% of their works
  3. 3Oceanography7% of their works
  4. 4Aerospace Engineering7% of their works
  5. 5Molecular Biology7% of their works
  6. 6Atmospheric Science7% of their works

Research topics

Which keywords describe Takeo Hirasawa's research?

The keywords of their largest research topics: Ionosphere, Magnetosphere, Geomagnetic Field, GRACE, Ionospheric Anomalies, Magnetosome Formation, Mars and Martian Surface.

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 16 words, with their numbers
  1. Ionosphere71 topic
  2. Magnetosphere71 topic
  3. GRACE21 topic
  4. Geomagnetic Field21 topic
  5. Ionospheric Anomalies21 topic
  6. Magnetosome Formation21 topic
  7. Mars21 topic
  8. Martian Surface21 topic
  9. Ozone Depletion21 topic
  10. Sea Level Rise21 topic
  11. Seismic Electromagnetics21 topic
  12. Stratospheric Water Vapor21 topic
  13. Electrical Resistivity Tomography11 topic
  14. Magnetotelluric Imaging11 topic
  15. Negative Ion Sources11 topic
  16. Superconducting Cavities11 topic

Where does Takeo Hirasawa work?

Takeo Hirasawa's main affiliation in the publication record is National Institute of Polar Research, Japan.

How many publications and citations does Takeo Hirasawa have?

Science Explorer counts 32 works and 22 citations for Takeo Hirasawa, ranking #1,028,467 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.