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Researcher · GEOMAR Helmholtz Centre for Ocean Research Kiel · Germany

Johannes Hahn

Johannes Hahn publishes mostly in Oceanography, Archeology and Global and Planetary Change, on topics such as Marine and coastal ecosystems, Oceanographic and Atmospheric Processes and Marine Biology and Ecology Research.

ORCID 0000-0002-5638-2031 OpenAlex
World rank
#1,587,594
of 7,710,434 ranked researchers
Rank in Germany
#78,273
of 364,343
Works
184
Citations
1.5k
Citations per work
8.0
h-index
19
i10-index 23Top 29% in Oceanography
Johannes Hahn

What does Johannes Hahn research?

Johannes Hahn's work is mostly in Earth and Planetary Sciences (34%), Arts and Humanities (14%), Social Sciences (10%).

Physical Sciences: 75 works · 40.6% of their workEarth and Planetary Sciences: 62 works · 33.7% of their workOceanography: 62 works · 33.7% of their workEnvironmental Science: 13 works · 6.9% of their workGlobal and Planetary Change: 13 works · 6.9% of their workEverything else: 66 works · 35.6% of their workSocial Sciences: 44 works · 23.8% of their workArts and Humanities: 25 works · 13.7% of their workArcheology: 16 works · 8.5% of their workHistory: 10 works · 5.2% of their workSocial Sciences: 19 works · 10.1% of their workSociology and Political Science: 11 works · 5.9% of their workPolitical Science and International Relations: 8 works · 4.2% of their workTHEIR WORKJohannes Hahn184works
Physical Sciences41%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. Earth and Planetary Sciences6233.7%
    2. Environmental Science136.9%
  2. Everything else6635.6%
    1. Arts and Humanities2513.7%
    2. Social Sciences1910.1%
  1. 1Oceanography34% of their works
  2. 2Archeology8% of their works
  3. 3Global and Planetary Change7% of their works
  4. 4Sociology and Political Science6% of their works
  5. 5History5% of their works
  6. 6Political Science and International Relations4% of their works

Research topics

Which keywords describe Johannes Hahn's research?

The keywords of their largest research topics: Dissolved Organic Matter, Eutrophication, Ocean Circulation, Oceanic Modeling, Late Antiquity, Urban Development, Ecosystem Functioning and Marine Biodiversity.

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. Dissolved Organic Matter401 topic
  2. Eutrophication401 topic
  3. Ocean Circulation371 topic
  4. Oceanic Modeling371 topic
  5. Late Antiquity192 topics
  6. Urban Development192 topics
  7. Ecosystem Functioning111 topic
  8. Marine Biodiversity111 topic
  9. Ceremonial101 topic
  10. Rome101 topic
  11. Ancient Rome91 topic
  12. Arabia91 topic
  13. Byzantine91 topic
  14. Emissions91 topic
  15. Greek Literature91 topic
  16. Methane91 topic
  17. Marine Organisms81 topic
  18. Ocean Acidification81 topic

Where does Johannes Hahn work?

Johannes Hahn's main affiliation in the publication record is GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany.

How many publications and citations does Johannes Hahn have?

OpenAlex counts 184 works and 1,469 citations for Johannes Hahn, an h-index of 19, ranking #1,587,594 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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