Olli Karjalainen

1.4k total citations · 2 hit papers
16 papers, 898 citations indexed

About

Olli Karjalainen is a scholar working on Atmospheric Science, Management, Monitoring, Policy and Law and Ecology. According to data from OpenAlex, Olli Karjalainen has authored 16 papers receiving a total of 898 indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Atmospheric Science, 3 papers in Management, Monitoring, Policy and Law and 2 papers in Ecology. Recurrent topics in Olli Karjalainen's work include Climate change and permafrost (15 papers), Cryospheric studies and observations (14 papers) and Arctic and Antarctic ice dynamics (6 papers). Olli Karjalainen is often cited by papers focused on Climate change and permafrost (15 papers), Cryospheric studies and observations (14 papers) and Arctic and Antarctic ice dynamics (6 papers). Olli Karjalainen collaborates with scholars based in Finland, Norway and United States. Olli Karjalainen's co-authors include Jan Hjort, Miska Luoto, Juha Aalto, Bernd Etzelmüller, V. E. Romanovsky, Sebastian Westermann, Frederick E. Nelson, Huijun Jin, Xin Li and Guodong Cheng and has published in prestigious journals such as Nature Communications, Geophysical Research Letters and Environmental Research Letters.

In The Last Decade

Olli Karjalainen

15 papers receiving 879 citations

Hit Papers

Degrading permafrost puts Arctic infrastructure at risk b... 2018 2026 2020 2023 2018 2022 100 200 300
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Degrading permafrost puts Arctic infrastructure at risk by mid-century
    2018 394 citations Jan Hjort, Olli Karjalainen et al. Nature Communications profile →
  2. New high-resolution estimates of the permafrost thermal state and hydrothermal conditions over the Northern Hemisphere
    2022 135 citations Youhua Ran, Xin Li et al. Earth system science data profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Olli Karjalainen Finland 11 823 128 91 78 65 16 898
Арне Инстанес Norway 13 499 0.6× 70 0.5× 59 0.6× 123 1.6× 64 1.0× 20 647
Dana R. N. Brown United States 14 622 0.8× 78 0.6× 139 1.5× 45 0.6× 123 1.9× 23 737
Г. В. Малкова Russia 9 545 0.7× 29 0.2× 50 0.5× 90 1.2× 71 1.1× 12 584
D. O. Sergeev Russia 7 475 0.6× 27 0.2× 43 0.5× 89 1.1× 58 0.9× 20 523
Piotr Zagórski Poland 14 396 0.5× 81 0.6× 28 0.3× 120 1.5× 77 1.2× 48 536
Steve V. Kokelj Canada 19 872 1.1× 103 0.8× 81 0.9× 157 2.0× 158 2.4× 26 983
Jaroslav Obu Norway 11 549 0.7× 65 0.5× 39 0.4× 96 1.2× 100 1.5× 19 643
Haibo Bi China 16 432 0.5× 46 0.4× 212 2.3× 69 0.9× 68 1.0× 61 689
Peter Morse Canada 15 497 0.6× 68 0.5× 41 0.5× 54 0.7× 46 0.7× 27 540
Svetlana Stuefer United States 11 504 0.6× 31 0.2× 118 1.3× 70 0.9× 111 1.7× 24 630

Countries citing papers authored by Olli Karjalainen

Since Specialization
Citations

This map shows the geographic impact of Olli Karjalainen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Olli Karjalainen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Olli Karjalainen more than expected).

Fields of papers citing papers by Olli Karjalainen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Olli Karjalainen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Olli Karjalainen. The network helps show where Olli Karjalainen may publish in the future.

Co-authorship network of co-authors of Olli Karjalainen

This figure shows the co-authorship network connecting the top 25 collaborators of Olli Karjalainen. A scholar is included among the top collaborators of Olli Karjalainen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Olli Karjalainen. Olli Karjalainen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

16 of 16 papers shown
1.
2.
Karjalainen, Olli, et al.. (2024). Environmental Drivers of Palsa and Peat Plateau Occurrences: A Regional Comparison Across the Northern Hemisphere. Permafrost and Periglacial Processes. 36(1). 37–50. 3 indexed citations
3.
Karjalainen, Olli, A Blais-Stevens, Trevor C. Lantz, et al.. (2024). Retrogressive thaw slump susceptibility in the northern hemisphere permafrost region. Earth Surface Processes and Landforms. 49(11). 3319–3331. 15 indexed citations
4.
Toivanen, Maija, Tuija Maliniemi, Jan Hjort, et al.. (2024). Geodiversity data for Europe. Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences. 382(2269). 20230173–20230173. 7 indexed citations
5.
Peng, Xiaoqing, Tingjun Zhang, Oliver W. Frauenfeld, et al.. (2023). Active Layer Thickness and Permafrost Area Projections for the 21st Century. Earth s Future. 11(8). 28 indexed citations
6.
Karjalainen, Olli, et al.. (2023). Environmental spaces for palsas and peat plateaus are disappearing at a circumpolar scale. ˜The œcryosphere. 17(8). 3157–3176. 15 indexed citations
7.
Ran, Youhua, Xin Li, Guodong Cheng, et al.. (2022). New high-resolution estimates of the permafrost thermal state and hydrothermal conditions over the Northern Hemisphere. Earth system science data. 14(2). 865–884. 135 indexed citations breakdown →
8.
Kemppinen, Julia, Pekka Niittynen, Konsta Happonen, et al.. (2022). Geomorphological processes shape plant community traits in the Arctic. Global Ecology and Biogeography. 31(7). 1381–1398. 9 indexed citations
9.
Rouyet, Line, Olli Karjalainen, Pekka Niittynen, et al.. (2021). Environmental Controls of InSAR‐Based Periglacial Ground Dynamics in a Sub‐Arctic Landscape. Journal of Geophysical Research Earth Surface. 126(7). 17 indexed citations
10.
Ran, Youhua, Xin Li, Guodong Cheng, et al.. (2021). New high-resolution estimates of the permafrost thermal state andhydrothermal conditions over the Northern Hemisphere. University of Oulu Repository (University of Oulu). 11 indexed citations
11.
Karjalainen, Olli, Miska Luoto, Juha Aalto, et al.. (2020). High potential for loss of permafrost landforms in a changing climate. Environmental Research Letters. 15(10). 104065–104065. 34 indexed citations
12.
Karjalainen, Olli, Miska Luoto, Juha Aalto, & Jan Hjort. (2019). New insights into the environmental factors controlling the ground thermal regime across the Northern Hemisphere: a comparison between permafrost and non-permafrost areas. ˜The œcryosphere. 13(2). 693–707. 45 indexed citations
13.
Karjalainen, Olli, Juha Aalto, Miska Luoto, et al.. (2019). Circumpolar permafrost maps and geohazard indices for near-future infrastructure risk assessments. Scientific Data. 6(1). 190037–190037. 72 indexed citations
14.
Karjalainen, Olli, Miska Luoto, Juha Aalto, & Jan Hjort. (2018). New insights into the environmental drivers of the circumpolarground thermal regime. Biogeosciences (European Geosciences Union). 1 indexed citations
15.
Hjort, Jan, Olli Karjalainen, Juha Aalto, et al.. (2018). Degrading permafrost puts Arctic infrastructure at risk by mid-century. Nature Communications. 9(1). 5147–5147. 394 indexed citations breakdown →
16.
Aalto, Juha, Olli Karjalainen, Jan Hjort, & Miska Luoto. (2018). Statistical Forecasting of Current and Future Circum‐Arctic Ground Temperatures and Active Layer Thickness. Geophysical Research Letters. 45(10). 4889–4898. 112 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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