Bernt Johansen

2.4k total citations · 1 hit paper
34 papers, 1.8k citations indexed

About

Bernt Johansen is a scholar working on Atmospheric Science, Ecology and General Health Professions. According to data from OpenAlex, Bernt Johansen has authored 34 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Atmospheric Science, 15 papers in Ecology and 7 papers in General Health Professions. Recurrent topics in Bernt Johansen's work include Climate change and permafrost (14 papers), Indigenous Studies and Ecology (7 papers) and Species Distribution and Climate Change (7 papers). Bernt Johansen is often cited by papers focused on Climate change and permafrost (14 papers), Indigenous Studies and Ecology (7 papers) and Species Distribution and Climate Change (7 papers). Bernt Johansen collaborates with scholars based in Norway, Finland and Sweden. Bernt Johansen's co-authors include Kjell Arild Høgda, Pieter S. A. Beck, Andrew K. Skidmore, Clement Atzberger, Hans Tømmervik, Stein Rune Karlsen, Arve Elvebakk, Lauri Oksanen, Tarja Oksanen and Fiona Danks and has published in prestigious journals such as SHILAP Revista de lepidopterología, The Science of The Total Environment and Remote Sensing of Environment.

In The Last Decade

Bernt Johansen

34 papers receiving 1.7k citations

Hit Papers

align trajectories

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.

Improved monitoring of vegetation dynamics at very high latitudes: A new method using MODIS NDVI

2005 802 citations Pieter S. A. Beck, Clement Atzberger et al. Remote Sensing of Environment profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Bernt Johansen Norway	17	1.1k	677	606	377	332	34	1.8k
Kjell Arild Høgda Norway	28	1.6k 1.4×	952 1.4×	1.2k 1.9×	540 1.4×	490 1.5×	65	2.9k
Stein Rune Karlsen Norway	24	993 0.9×	746 1.1×	822 1.4×	386 1.0×	242 0.7×	51	1.9k
Abdoul Aziz Diouf Senegal	20	839 0.7×	700 1.0×	191 0.3×	133 0.4×	327 1.0×	106	1.6k
Matthew C. Perry United States	20	938 0.8×	620 0.9×	292 0.5×	149 0.4×	94 0.3×	69	1.8k
David Benz United Kingdom	8	502 0.4×	803 1.2×	310 0.5×	214 0.6×	151 0.5×	12	1.6k
Douglas G. Goodin United States	24	570 0.5×	528 0.8×	109 0.2×	97 0.3×	213 0.6×	71	1.7k
Lynda E. Chambers Australia	22	915 0.8×	725 1.1×	188 0.3×	508 1.3×	63 0.2×	45	1.7k
Amy McNally United States	18	273 0.2×	838 1.2×	426 0.7×	73 0.2×	261 0.8×	54	1.9k
Kevin Lawrence Canada	15	570 0.5×	1.4k 2.1×	777 1.3×	343 0.9×	154 0.5×	24	2.1k
Lars Edenius Sweden	30	1.3k 1.1×	1.0k 1.5×	154 0.3×	309 0.8×	111 0.3×	63	2.3k

Countries citing papers authored by Bernt Johansen

Since Specialization

Citations

This map shows the geographic impact of Bernt Johansen'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 Bernt Johansen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Bernt Johansen more than expected).

Fields of papers citing papers by Bernt Johansen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Bernt Johansen. 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 Bernt Johansen. The network helps show where Bernt Johansen may publish in the future.

Co-authorship network of co-authors of Bernt Johansen

This figure shows the co-authorship network connecting the top 25 collaborators of Bernt Johansen. A scholar is included among the top collaborators of Bernt Johansen 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 Bernt Johansen. Bernt Johansen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Malnes, Eirik, Stein Rune Karlsen, Bernt Johansen, Jarle W. Bjerke, & Hans Tømmervik. (2016). Snow season variability in a boreal-Arctic transition area monitored by MODIS data. Environmental Research Letters. 11(12). 125005–125005. 9 indexed citations

Tryland, Morten, Solveig Marie Stubsjøen, Erik Ågren, Bernt Johansen, & Camilla Kielland. (2015). Herding conditions related to infectious keratoconjunctivitis in semi-domesticated reindeer: a questionnaire-based survey among reindeer herders. Acta veterinaria Scandinavica. 58(1). 22–22. 10 indexed citations

Ruffino, Lise, Tarja Oksanen, Katrine S. Hoset, et al.. (2015). Data from: Predator-rodent-plant interactions along a coast-inland gradient in Fennoscandian tundra. Data Archiving and Networked Services (DANS). 1 indexed citations

Jore, Solveig, Sophie Vanwambeke, Hildegunn Viljugrein, et al.. (2014). Climate and environmental change drives Ixodes ricinus geographical expansion at the northern range margin. Parasites & Vectors. 7(1). 11–11. 113 indexed citations

Tømmervik, Hans, Lennart Nilsen, Bernt Johansen, et al.. (2014). Use of Unmanned Aircraft Systems (UAS) in a multi-scale vegetation index study of Arctic plant communities in Adventdalen on Svalbard. Duo Research Archive (University of Oslo). 13 indexed citations

Tømmervik, Hans, et al.. (2014). Overvåking av vinterbeiter i Indre Finnmark 2013. Resultater fra feltrutene. BIBSYS Brage (BIBSYS (Norway)). 1 indexed citations

Johansen, Bernt & Hans Tømmervik. (2013). The relationship between phytomass, NDVI and vegetation communities on Svalbard. International Journal of Applied Earth Observation and Geoinformation. 27. 20–30. 86 indexed citations

Tømmervik, Hans, Bernt Johansen, Stein Rune Karlsen, & Per G. Ihlen. (2011). Overvåking av vinterbeiter i Vest-Finnmark og Karasjok 1998-2005-2010 - Resultater fra feltrutene. Duo Research Archive (University of Oslo). 2 indexed citations

Johansen, Bernt, Stein Rune Karlsen, & Hans Tømmervik. (2011). Vegetation mapping of Svalbard utilising Landsat TM/ETM+ data. Polar Record. 48(1). 47–63. 79 indexed citations

10.

Tømmervik, Hans, Jarle W. Bjerke, Eldar Gaare, Bernt Johansen, & Dietbert Thannheiser. (2011). Rapid recovery of recently overexploited winter grazing pastures for reindeer in northern Norway. Fungal ecology. 5(1). 3–15. 36 indexed citations

11.

Johansen, Bernt, Hans Tømmervik, & Stein Rune Karlsen. (2009). Vegetasjonskart over Svalbard basert på satellittdata. Dokumentasjon av metoder og vegetasjonsbeskrivelser. BIBSYS Brage (BIBSYS (Norway)). 6 indexed citations

12.

Karlsen, Stein Rune, Anne Tolvanen, Eero Kubin, et al.. (2008). MODIS-NDVI-based mapping of the length of the growing season in northern Fennoscandia. International Journal of Applied Earth Observation and Geoinformation. 10(3). 253–266. 104 indexed citations

13.

Dahlgren, Jonas, Tarja Oksanen, Lauri Oksanen, et al.. (2007). Spatial Patterns and Dynamic Responses of Arctic Food Webs Corroborate the Exploitation Ecosystems Hypothesis (EEH). The American Naturalist. 171(2). 249–262. 69 indexed citations

14.

Karlsen, Stein Rune, Arve Elvebakk, Kjell Arild Høgda, & Bernt Johansen. (2006). Satellite‐based mapping of the growing season and bioclimatic zones in Fennoscandia. Global Ecology and Biogeography. 15(4). 416–430. 77 indexed citations

15.

Johansen, Bernt & Stein Rune Karlsen. (2005). Monitoring vegetation changes on Finnmarksvidda, Northern Norway, using Landsat MSS and Landsat TM/ETM+ satellite images. Phytocoenologia. 35(4). 969–984. 36 indexed citations

16.

Beck, Pieter S. A., Clement Atzberger, Kjell Arild Høgda, Bernt Johansen, & Andrew K. Skidmore. (2005). Improved monitoring of vegetation dynamics at very high latitudes: A new method using MODIS NDVI. Remote Sensing of Environment. 100(3). 321–334. 802 indexed citations breakdown →

17.

Tømmervik, Hans, et al.. (2005). Mapping The Air Pollution Impact On The Natural Environment In The Border Area Of Norway/USSR Using Satellite Remote Sensing Methods. I. 45–48. 2 indexed citations

18.

Johansen, Bernt. (2004). Mountain vegetation mapping in Dovre area, Norway, using Landsat TM data and GIS. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 5239. 333–344. 2 indexed citations

19.

Walker, Donald A., Christian Bay, Fred J.A. Daniëls, et al.. (1995). Toward a new arctic vegetation map: a review of existing maps. Journal of Vegetation Science. 6(3). 427–436. 21 indexed citations

20.

Johansen, Bernt & Hans Tømmervik. (1990). Mapping winter pastures for reindeer in Karasjok, Northern Norway, using LANDSAT 5-TM data. SHILAP Revista de lepidopterología. 10(4). 51–51. 5 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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