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Researcher · United States Geological Survey · United States

Gerard McMahon

Gerard McMahon publishes mostly in Water Science and Technology, Environmental Chemistry and Environmental Engineering, on topics such as Soil and Water Nutrient Dynamics, Water Quality and Resources Studies and Hydrology and Watershed Management Studies.

ORCID 0000-0001-7675-777X OpenAlex
World rank
#1,248,837
of 7,710,434 ranked researchers
Rank in United States
#398,890
of 1,627,098
Works
68
Citations
2.3k
Citations per work
34.3
h-index
23
i10-index 35Top 14% in Water Science and Technology
Gerard McMahon

What does Gerard McMahon research?

Gerard McMahon's work is mostly in Environmental Science (69%).

Physical Sciences: 47 works · 69.3% of their workEnvironmental Science: 47 works · 69.3% of their workWater Science and Technology: 15 works · 21.8% of their workEnvironmental Chemistry: 9 works · 13.5% of their workEnvironmental Engineering: 9 works · 13.5% of their workEcology: 6 works · 8.8% of their workGlobal and Planetary Change: 6 works · 8.2% of their workNature and Landscape Conservation: 2 works · 3.5% of their workEverything else: 21 works · 30.7% of their workTHEIR WORKGerard McMahon68works
Physical Sciences69%

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 Science4769.3%
  2. Everything else2130.7%
  1. 1Water Science and Technology22% of their works
  2. 2Environmental Chemistry14% of their works
  3. 3Environmental Engineering14% of their works
  4. 4Ecology9% of their works
  5. 5Global and Planetary Change8% of their works
  6. 6Nature and Landscape Conservation4% of their works

Research topics

Which keywords describe Gerard McMahon's research?

The keywords of their largest research topics: Water Quality, Hyporheic Zone, Nutrient Cycling, Environmental Impact, Land Use Change, Groundwater, Hydrogeology and Hydrological Modeling.

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. Water Quality483 topics
  2. Hyporheic Zone231 topic
  3. Nutrient Cycling231 topic
  4. Environmental Impact222 topics
  5. Land Use Change222 topics
  6. Groundwater151 topic
  7. Hydrogeology151 topic
  8. Hydrological Modeling151 topic
  9. Water Resources151 topic
  10. Sustainable Drainage Systems101 topic
  11. Urban Stormwater Management101 topic
  12. Ecosystem Services71 topic
  13. Multivariate Statistical Techniques71 topic
  14. Urbanization71 topic
  15. Water Quality Index71 topic
  16. Land Use61 topic
  17. Stream Ecosystems61 topic
  18. Groundwater Flow41 topic
  19. Transport Modeling41 topic

Where does Gerard McMahon work?

Gerard McMahon's main affiliation in the publication record is United States Geological Survey, United States.

How many publications and citations does Gerard McMahon have?

OpenAlex counts 68 works and 2,329 citations for Gerard McMahon, an h-index of 23, ranking #1,248,837 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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