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Researcher · Chiba University · Japan

Katsuhisa Niwa

Katsuhisa Niwa publishes mostly in Plant Science, Soil Science and Environmental Engineering, on topics such as Soil Carbon and Nitrogen Dynamics, Smart Agriculture and AI and Soil Geostatistics and Mapping.

OpenAlex
World rank
#5,311,921
of 7,710,434 ranked researchers
Rank in Japan
#175,359
of 383,136
Works
28
Citations
130
Citations per work
4.6
h-index
5
i10-index 3Top 83% in Plant Science
Katsuhisa Niwa

What does Katsuhisa Niwa research?

Katsuhisa Niwa's work is mostly in Agricultural and Biological Sciences (45%), Environmental Science (21%), Earth and Planetary Sciences (5%).

Life Sciences: 13 works · 44.9% of their workAgricultural and Biological Sciences: 13 works · 44.9% of their workPlant Science: 6 works · 20.7% of their workSoil Science: 5 works · 19.0% of their workEcology, Evolution, Behavior and Systematics: 1 works · 5.2% of their workEverything else: 8 works · 29.2% of their workPhysical Sciences: 7 works · 25.9% of their workEnvironmental Science: 6 works · 20.7% of their workEnvironmental Engineering: 3 works · 12.1% of their workEcology: 2 works · 8.6% of their workEarth and Planetary Sciences: 1 works · 5.2% of their workAtmospheric Science: 1 works · 5.2% of their workTHEIR WORKKatsuhisa Niwa28works
Life Sciences45%Physical Sciences26%

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. Agricultural and Biological Sciences1344.9%
  2. Everything else829.2%
    1. Environmental Science620.7%
    2. Earth and Planetary Sciences15.2%
  1. 1Plant Science21% of their works
  2. 2Soil Science19% of their works
  3. 3Environmental Engineering12% of their works
  4. 4Ecology9% of their works
  5. 5Ecology, Evolution, Behavior and Systematics5% of their works
  6. 6Atmospheric Science5% of their works

Research topics

Which keywords describe Katsuhisa Niwa's research?

The keywords of their largest research topics: Machine Learning, Climate Change, Remote Sensing, Nitrogen Cycle, Soil Carbon Sequestration, Deep Learning, Digital Soil Mapping and Geostatistics.

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 19 words, with their numbers
  1. Machine Learning133 topics
  2. Climate Change92 topics
  3. Remote Sensing82 topics
  4. Nitrogen Cycle71 topic
  5. Soil Carbon Sequestration71 topic
  6. Deep Learning51 topic
  7. Digital Soil Mapping51 topic
  8. Geostatistics51 topic
  9. Plant Disease Detection51 topic
  10. Phenology31 topic
  11. Vegetation Monitoring31 topic
  12. Agricultural Sustainability21 topic
  13. Ecological Statistics21 topic
  14. Genetics21 topic
  15. Grapevine21 topic
  16. Meta-Analysis21 topic
  17. Rice21 topic
  18. Soil Erosion21 topic
  19. Water Management21 topic

Where does Katsuhisa Niwa work?

Katsuhisa Niwa's main affiliation in the publication record is Chiba University, Japan.

How many publications and citations does Katsuhisa Niwa have?

OpenAlex counts 28 works and 130 citations for Katsuhisa Niwa, an h-index of 5, ranking #5,311,921 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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