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Researcher · Universidade de São Paulo · Brazil

Roberto Hazenfratz

Roberto Hazenfratz publishes mostly in Astronomy and Astrophysics, Paleontology and History, on topics such as Archaeology and ancient environmental studies, Amazonian Archaeology and Ethnohistory and Galaxies: Formation, Evolution, Phenomena.

ORCID 0000-0003-3770-9251 OpenAlex
World rank
#4,042,322
of 7,710,434 ranked researchers
Rank in Brazil
#60,448
of 253,246
Works
17
Citations
172
Citations per work
10.1
h-index
8
i10-index 7Top 67% in Astronomy and Astrophysics
Roberto Hazenfratz

What does Roberto Hazenfratz research?

Roberto Hazenfratz's work is mostly in Physics and Astronomy (24%), Arts and Humanities (24%), Earth and Planetary Sciences (13%).

Physical Sciences: 8 works · 48.8% of their workPhysics and Astronomy: 4 works · 24.4% of their workAstronomy and Astrophysics: 4 works · 24.4% of their workEarth and Planetary Sciences: 2 works · 13.3% of their workPaleontology: 2 works · 13.3% of their workEnvironmental Science: 1 works · 6.7% of their workEcology: 1 works · 6.7% of their workChemistry: 1 works · 4.4% of their workAnalytical Chemistry: 1 works · 4.4% of their workEverything else: 5 works · 26.8% of their workSocial Sciences: 4 works · 24.4% of their workArts and Humanities: 4 works · 24.4% of their workHistory: 2 works · 13.3% of their workArcheology: 2 works · 11.1% of their workTHEIR WORKRobertoHazenfratz17works
Physical Sciences49%Social Sciences24%

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. Physics and Astronomy424.4%
    2. Earth and Planetary Sciences213.3%
    3. Environmental Science16.7%
    4. Chemistry14.4%
  2. Everything else526.8%
    1. Arts and Humanities424.4%
  1. 1Astronomy and Astrophysics24% of their works
  2. 2Paleontology13% of their works
  3. 3History13% of their works
  4. 4Archeology11% of their works
  5. 5Ecology7% of their works
  6. 6Analytical Chemistry4% of their works

Research topics

Which keywords describe Roberto Hazenfratz's research?

The keywords of their largest research topics: Agricultural Origins, Amazonia, Historical Ecology, Hyperspectral Imaging, Radiocarbon Dating, Star Formation, Cosmology and Galaxies.

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 18 words, with their numbers
  1. Agricultural Origins61 topic
  2. Amazonia61 topic
  3. Historical Ecology61 topic
  4. Hyperspectral Imaging62 topics
  5. Radiocarbon Dating61 topic
  6. Star Formation62 topics
  7. Cosmology41 topic
  8. Galaxies41 topic
  9. Raman Spectroscopy41 topic
  10. X-Ray Fluorescence41 topic
  11. Exoplanets31 topic
  12. Stable Isotopes31 topic
  13. Stellar Astrophysics31 topic
  14. Trophic Position31 topic
  15. Molecular Clouds21 topic
  16. Multivariate Calibration21 topic
  17. Near-Infrared Spectroscopy21 topic
  18. Protoplanetary Disks21 topic

Where does Roberto Hazenfratz work?

Roberto Hazenfratz's main affiliation in the publication record is Universidade de São Paulo, Brazil.

How many publications and citations does Roberto Hazenfratz have?

OpenAlex counts 17 works and 172 citations for Roberto Hazenfratz, an h-index of 8, ranking #4,042,322 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.

Discussion

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