Karen O'Brien: h-index, Total Citations, and Citation Map
Karen O'Brien's h-index is 78 (139 i10-index, 58,593+ total citations across 267+ publications) according to Google Scholar as of June 2026. Karen O'Brien is affiliated with Professor of Human Geography, University of Oslo.
Karen O'Brien is a researcher affiliated with Professor of Human Geography, University of Oslo, specializing in Climate change, global environmental change, transformation. Their work has been cited 58,593 times. This profile visualizes their global influence, highlighting strong citation networks in United States.
Karen O'Brien's Citation Metrics
Bibliometric impact based on 267 indexed publications.
- H-Index
- 78
- i10-Index
- 139
- Total Citations
- 58,593
- Citing Countries
- 1
As of June 2026.
Karen O'Brien has an h-index of 78 and 58,593 total citations across 267 publications, with research cited by institutions in 1 country.
Download Exports (PNG, CSV, Poster)
Free Viewing Karen O'Brien's citation map is always free. Pay once to download poster, PNG, and CSV files for offline use or your visa packet.
We've mapped 5,000 of 58,593 citations for Karen O'Brien
We've shown the most-cited 5,000. Unlock the full crawl (58,543 more citations) to see every institution citing this scholar.
Global Impact Map
Visualizing the geographic distribution of institutions that have cited your work.
Starting…
Pins will appear here as institutions are resolved — no need to refresh.
Climate change 2014: synthesis report. Contribution of Working Groups I, II and III to the fifth assessment report of the Intergovernmental Panel on Climate Change
201421,751
Top Citing Countries
Top Citing Institutions
Visa Evidence Package
Views and exports tuned for EB-1A, O-1A, and EB-2 NIW petitions. Sustained acclaim, geographic reach, and independent-citation filtering are the strongest evidence categories immigration adjudicators look for.
Citation trend (last 10 years)Click to expand
Citation Trend (Last 10 Years)
Related Guides
Learn how to use citation maps for your research and visa applications.
About Karen O'Brien's research
Karen O'Brien is a researcher in Climate change, global environmental change and transformation at Professor of Human Geography, University of Oslo. Their work has been cited 58,593 times across 267 publications (h-index 78), according to Google Scholar.
Their most-cited work, “Climate change 2014: synthesis report. Contribution of Working Groups I, II and III to the fifth assessment report of the Intergovernmental Panel on Climate Change” (2014), has accumulated 21,751 citations. Other influential works include “Assessment of adaptation practices, options, constraints and capacity” (2007) with 2,691 citations and “Cultural dimensions of climate change impacts and adaptation” (2013) with 2,197 citations.
Citations of Karen O'Brien's research come primarily from United States; the citation map above shows the full geographic breakdown.
