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Researcher · Trout Unlimited · United States

Theodore A. Johnson

Theodore A. Johnson publishes mostly in Environmental Engineering, Water Science and Technology and Geochemistry and Petrology, on topics such as Groundwater flow and contamination studies, Groundwater and Isotope Geochemistry and Water Quality and Resources Studies.

OpenAlex
World rank
#4,549,484
of 7,710,434 ranked researchers
Rank in United States
#1,207,472
of 1,627,098
Works
19
Citations
360
Citations per work
18.9
h-index
8
i10-index 6Top 70% in Environmental Engineering
Theodore A. Johnson

What does Theodore A. Johnson research?

Theodore A. Johnson's work is mostly in Environmental Science (44%), Earth and Planetary Sciences (14%), Engineering (6%).

Physical Sciences: 12 works · 63.7% of their workEnvironmental Science: 8 works · 43.7% of their workEnvironmental Engineering: 3 works · 16.4% of their workWater Science and Technology: 3 works · 14.5% of their workEcology: 1 works · 7.3% of their workNature and Landscape Conservation: 1 works · 5.5% of their workEarth and Planetary Sciences: 3 works · 14.5% of their workGeochemistry and Petrology: 3 works · 14.5% of their workEngineering: 1 works · 5.5% of their workOcean Engineering: 1 works · 5.5% of their workEverything else: 7 works · 36.3% of their workTHEIR WORKTheodore A.Johnson19works
Physical Sciences64%

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. Environmental Science843.7%
    2. Earth and Planetary Sciences314.5%
    3. Engineering15.5%
  2. Everything else736.3%
  1. 1Environmental Engineering16% of their works
  2. 2Water Science and Technology14% of their works
  3. 3Geochemistry and Petrology14% of their works
  4. 4Ecology7% of their works
  5. 5Ocean Engineering6% of their works
  6. 6Nature and Landscape Conservation6% of their works

Research topics

Which keywords describe Theodore A. Johnson's research?

The keywords of their largest research topics: Groundwater, Water Quality, Climate Change, Groundwater Flow, Transport Modeling, Isotopes, Stable and Hydrogeology.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 19 words, with their numbers
  1. Groundwater132 topics
  2. Water Quality132 topics
  3. Climate Change112 topics
  4. Groundwater Flow91 topic
  5. Transport Modeling91 topic
  6. Isotopes81 topic
  7. Stable81 topic
  8. Hydrogeology51 topic
  9. Sediment Analysis51 topic
  10. Conservation Challenges31 topic
  11. Freshwater Biodiversity31 topic
  12. Riparian Vegetation31 topic
  13. River Restoration31 topic
  14. Disinfection By-Products21 topic
  15. Drinking Water21 topic
  16. Ensemble Kalman Filter21 topic
  17. Optimization21 topic
  18. Wastewater Reuse21 topic
  19. Water Scarcity21 topic

Where does Theodore A. Johnson work?

Theodore A. Johnson's main affiliation in the publication record is Trout Unlimited, United States.

How many publications and citations does Theodore A. Johnson have?

OpenAlex counts 19 works and 360 citations for Theodore A. Johnson, an h-index of 8, ranking #4,549,484 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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.

Discussion

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