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Researcher · University of Calgary · Canada

Geoffrey J. Hay

Geoffrey J. Hay publishes mostly in Environmental Engineering, Ecology and Media Technology, on topics such as Remote Sensing in Agriculture, Remote-Sensing Image Classification and Land Use and Ecosystem Services.

ORCID 0000-0002-7889-9859 OpenAlex
World rank
#154,303
of 7,710,434 ranked researchers
Rank in Canada
#5,101
of 183,316
Works
67
Citations
7.2k
Citations per work
106.8
h-index
35
i10-index 45Top 6.2% in Environmental Engineering
Geoffrey J. Hay

What does Geoffrey J. Hay research?

Geoffrey J. Hay's work is mostly in Environmental Science (54%), Engineering (15%), Computer Science (5%).

Physical Sciences: 49 works · 73.8% of their workEnvironmental Science: 36 works · 53.7% of their workEnvironmental Engineering: 13 works · 19.0% of their workEcology: 10 works · 15.1% of their workGlobal and Planetary Change: 8 works · 12.3% of their workNature and Landscape Conservation: 5 works · 7.3% of their workEngineering: 10 works · 15.1% of their workMedia Technology: 10 works · 15.1% of their workComputer Science: 3 works · 5.0% of their workArtificial Intelligence: 3 works · 5.0% of their workEverything else: 18 works · 26.2% of their workTHEIR WORKGeoffrey J. Hay67works
Physical Sciences74%

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 Science3653.7%
    2. Engineering1015.1%
    3. Computer Science35.0%
  2. Everything else1826.2%
  1. 1Environmental Engineering19% of their works
  2. 2Ecology15% of their works
  3. 3Media Technology15% of their works
  4. 4Global and Planetary Change12% of their works
  5. 5Nature and Landscape Conservation7% of their works
  6. 6Artificial Intelligence5% of their works

Research topics

Which keywords describe Geoffrey J. Hay's research?

The keywords of their largest research topics: Remote Sensing, Biomass Estimation, Machine Learning, Support Vector Machines, Deep Learning, Phenology, Vegetation Monitoring and Hyperspectral.

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 22 words, with their numbers
  1. Remote Sensing755 topics
  2. Biomass Estimation473 topics
  3. Machine Learning352 topics
  4. Support Vector Machines322 topics
  5. Deep Learning302 topics
  6. Phenology261 topic
  7. Vegetation Monitoring261 topic
  8. Hyperspectral231 topic
  9. Image Analysis231 topic
  10. Aboveground Biomass212 topics
  11. Ecosystem Services181 topic
  12. Land Use Change181 topic
  13. Forest Carbon Stocks131 topic
  14. Lidar Remote Sensing131 topic
  15. Green Roofs101 topic
  16. Urban Heat Island101 topic
  17. Compositional Data Analysis91 topic
  18. Mineral Prospectivity91 topic
  19. Allometric Models81 topic
  20. Carbon Stocks81 topic
  21. High-Resolution Imagery71 topic
  22. Road Extraction71 topic

Where does Geoffrey J. Hay work?

Geoffrey J. Hay's main affiliation in the publication record is University of Calgary, Canada.

How many publications and citations does Geoffrey J. Hay have?

OpenAlex counts 67 works and 7,153 citations for Geoffrey J. Hay, an h-index of 35, ranking #154,303 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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