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Researcher · Tennessee Valley Authority · United States

Donald A. Hammer

Donald A. Hammer publishes mostly in Industrial and Manufacturing Engineering, Ecology and Nature and Landscape Conservation, on topics such as Constructed Wetlands for Wastewater Treatment, Avian ecology and behavior and Wildlife Ecology and Conservation.

ORCID 0009-0004-8560-9073 OpenAlex
World rank
#2,781,578
of 7,710,434 ranked researchers
Rank in United States
#808,021
of 1,627,098
Works
25
Citations
1.4k
Citations per work
56.7
h-index
10
i10-index 10Top 48% in Industrial and Manufacturing Engineering (Environmental Science)
Donald A. Hammer

What does Donald A. Hammer research?

Donald A. Hammer's work is mostly in Environmental Science (76%), Biochemistry, Genetics and Molecular Biology (4%), Engineering (4%).

Physical Sciences: 20 works · 80.0% of their workEnvironmental Science: 19 works · 75.6% of their workIndustrial and Manufacturing Engineering: 9 works · 35.6% of their workEcology: 7 works · 28.9% of their workNature and Landscape Conservation: 2 works · 6.7% of their workEnvironmental Chemistry: 1 works · 4.4% of their workEngineering: 1 works · 4.4% of their workMechanical Engineering: 1 works · 4.4% of their workEverything else: 4 works · 15.6% of their workLife Sciences: 1 works · 4.4% of their workBiochemistry, Genetics and Molecular Biology: 1 works · 4.4% of their workGenetics: 1 works · 4.4% of their workTHEIR WORKDonald A. Hammer25works
Life Sciences4%Physical Sciences80%

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 Science1975.6%
    2. Engineering14.4%
  2. Everything else415.6%
    1. Biochemistry, Genetics and Molecular Biology14.4%
  1. 1Industrial and Manufacturing Engineering36% of their works
  2. 2Ecology29% of their works
  3. 3Nature and Landscape Conservation7% of their works
  4. 4Genetics4% of their works
  5. 5Mechanical Engineering4% of their works
  6. 6Environmental Chemistry4% of their works

Research topics

Which keywords describe Donald A. Hammer's research?

The keywords of their largest research topics: Microbial Processes, Constructed Wetlands, Wastewater Treatment, Climate Change, Habitat Selection, Conservation, Population Dynamics and Avian Ecology.

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. Microbial Processes152 topics
  2. Constructed Wetlands131 topic
  3. Wastewater Treatment131 topic
  4. Climate Change94 topics
  5. Habitat Selection52 topics
  6. Conservation42 topics
  7. Population Dynamics42 topics
  8. Avian Ecology31 topic
  9. Migration Patterns31 topic
  10. Animal Movement21 topic
  11. Bycatch21 topic
  12. Carbon21 topic
  13. Ecosystem21 topic
  14. Marine Turtles21 topic
  15. Occupancy Rates21 topic
  16. Peatlands21 topic
  17. Phosphorus21 topic
  18. Recovery21 topic
  19. Sagebrush21 topic
  20. Methane Production11 topic
  21. Ruminant Nutrition11 topic

Where does Donald A. Hammer work?

Donald A. Hammer's main affiliation in the publication record is Tennessee Valley Authority, United States.

How many publications and citations does Donald A. Hammer have?

OpenAlex counts 25 works and 1,418 citations for Donald A. Hammer, an h-index of 10, ranking #2,781,578 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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