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Researcher · United States Geological Survey · United States

Douglas J. Nichols

Douglas J. Nichols publishes mostly in Geochemistry and Petrology, Ecology, Evolution, Behavior and Systematics and Aerospace Engineering, on topics such as Plant Diversity and Evolution, Coal and Its By-products and Botany, Ecology, and Taxonomy Studies.

OpenAlex
World rank
#31,267
of 1,633,909 ranked researchers
Rank in United States
#14,575
of 358,040
Works
44
Citations
389
Citations per work
8.8

What does Douglas J. Nichols research?

Geochemistry and Petrology: 11.4%Ecology, Evolution, Behavior and Systematics: 9.1%Aerospace Engineering: 9.1%Paleontology: 9.1%other fields: 61.3%11%top field
Geochemistry and Petrology11.4%Ecology, Evolution, Behavior and Systematics9.1%Aerospace Engineering9.1%Paleontology9.1%other fields61.3%

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

  1. 1Geochemistry and Petrology11% of their works
  2. 2Ecology, Evolution, Behavior and Systematics9% of their works
  3. 3Aerospace Engineering9% of their works
  4. 4Paleontology9% of their works
  5. 5Astronomy and Astrophysics9% of their works
  6. 6Plant Science7% of their works

Research topics

Which keywords describe Douglas J. Nichols's research?

The keywords of their largest research topics: Biogeography, Angiosperm Phylogeny, Coal Geochemistry, Flowering Plants, Tectonics, Trace Elements, Cyperus and Phylogeny.

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. Biogeography72 topics
  2. Angiosperm Phylogeny41 topic
  3. Coal Geochemistry41 topic
  4. Flowering Plants41 topic
  5. Tectonics42 topics
  6. Trace Elements41 topic
  7. Cyperus31 topic
  8. Phylogeny31 topic
  9. Pore Structure31 topic
  10. Shale Gas31 topic
  11. Air Force21 topic
  12. Arctic21 topic
  13. Fluvial Systems21 topic
  14. Modernization21 topic
  15. Paleoproductivity21 topic
  16. Paleoredox21 topic
  17. Sedimentation21 topic
  18. geology21 topic

Where does Douglas J. Nichols work?

Douglas J. Nichols's main affiliation in the publication record is United States Geological Survey, United States.

How many publications and citations does Douglas J. Nichols have?

Science Explorer counts 44 works and 389 citations for Douglas J. Nichols, ranking #31,267 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.