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Researcher · United States Geological Survey · United States

Alan H. Welch

Alan H. Welch publishes mostly in Environmental Engineering, Water Science and Technology and Environmental Chemistry, on topics such as Groundwater flow and contamination studies, Groundwater and Isotope Geochemistry and Water Quality and Resources Studies.

OpenAlex
World rank
#1,658,920
of 7,710,434 ranked researchers
Rank in United States
#514,322
of 1,627,098
Works
51
Citations
3.6k
Citations per work
69.6
h-index
18
i10-index 28Top 24% in Environmental Engineering
Alan H. Welch

What does Alan H. Welch research?

Alan H. Welch's work is mostly in Environmental Science (61%), Earth and Planetary Sciences (17%), Social Sciences (5%).

Physical Sciences: 40 works · 77.9% of their workEnvironmental Science: 31 works · 61.1% of their workEnvironmental Engineering: 10 works · 19.8% of their workWater Science and Technology: 10 works · 19.1% of their workEnvironmental Chemistry: 9 works · 17.6% of their workPollution: 2 works · 4.6% of their workEarth and Planetary Sciences: 9 works · 16.8% of their workGeochemistry and Petrology: 9 works · 16.8% of their workEverything else: 9 works · 16.8% of their workSocial Sciences: 3 works · 5.3% of their workSocial Sciences: 3 works · 5.3% of their workAnthropology: 3 works · 5.3% of their workTHEIR WORKAlan H. Welch51works
Physical Sciences78%Social Sciences5%

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 Science3161.1%
    2. Earth and Planetary Sciences916.8%
  2. Everything else916.8%
    1. Social Sciences35.3%
  1. 1Environmental Engineering20% of their works
  2. 2Water Science and Technology19% of their works
  3. 3Environmental Chemistry18% of their works
  4. 4Geochemistry and Petrology17% of their works
  5. 5Anthropology5% of their works
  6. 6Pollution5% of their works

Research topics

Which keywords describe Alan H. Welch's research?

The keywords of their largest research topics: Groundwater, Water Quality, Groundwater Flow, Transport Modeling, Contamination, Isotopes, Stable and Toxicity.

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 21 words, with their numbers
  1. Groundwater593 topics
  2. Water Quality432 topics
  3. Groundwater Flow261 topic
  4. Transport Modeling261 topic
  5. Contamination222 topics
  6. Isotopes221 topic
  7. Stable221 topic
  8. Toxicity222 topics
  9. Hydrogeology211 topic
  10. Sediment Analysis211 topic
  11. Arsenic161 topic
  12. Water161 topic
  13. Remediation122 topics
  14. Traditional Irrigation71 topic
  15. Water Sustainability71 topic
  16. Heavy Metals61 topic
  17. Metal Removal61 topic
  18. Soil61 topic
  19. Sulfate-Reducing Bacteria61 topic
  20. Pore Structure41 topic
  21. Shale Gas41 topic

Where does Alan H. Welch work?

Alan H. Welch's main affiliation in the publication record is United States Geological Survey, United States.

How many publications and citations does Alan H. Welch have?

OpenAlex counts 51 works and 3,551 citations for Alan H. Welch, an h-index of 18, ranking #1,658,920 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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