Helge Torgersen

7.1k total citations · 2 hit papers
98 papers, 4.3k citations indexed

About

Helge Torgersen is a scholar working on Geophysics, Molecular Biology and Plant Science. According to data from OpenAlex, Helge Torgersen has authored 98 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Geophysics, 17 papers in Molecular Biology and 16 papers in Plant Science. Recurrent topics in Helge Torgersen's work include Geological and Geochemical Analysis (35 papers), High-pressure geophysics and materials (21 papers) and earthquake and tectonic studies (18 papers). Helge Torgersen is often cited by papers focused on Geological and Geochemical Analysis (35 papers), High-pressure geophysics and materials (21 papers) and earthquake and tectonic studies (18 papers). Helge Torgersen collaborates with scholars based in United States, Austria and United Kingdom. Helge Torgersen's co-authors include Michael Manga, Brandon Dugan, Caroline A. Masiello, Zuolin Liu, Sujoy Mukhopadhyay, George Gaskell, Nicole Kronberger, Nick Allum, B. F. Houghton and Wolfgang Wagner and has published in prestigious journals such as Nature, Nature Communications and SHILAP Revista de lepidopterología.

In The Last Decade

Helge Torgersen

93 papers receiving 4.1k citations

Hit Papers

New approaches to measuring biochar density and porosity 2014 2026 2018 2022 2014 2017 100 200 300 400
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. New approaches to measuring biochar density and porosity
    2014 487 citations Catherine E. Brewer, Caroline A. Masiello et al. profile →
  2. Biochar particle size, shape, and porosity act together to influence soil water properties
    2017 334 citations Zuolin Liu, Brandon Dugan et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Helge Torgersen United States 34 1.7k 551 482 427 393 98 4.3k
Susan S. Hubbard United States 48 3.6k 2.1× 204 0.4× 1.1k 2.3× 238 0.6× 579 1.5× 241 9.3k
Michael A. Ellis United States 38 2.1k 1.2× 264 0.5× 1.3k 2.6× 151 0.4× 176 0.4× 140 4.9k
Philip E. Long United States 43 645 0.4× 84 0.2× 288 0.6× 66 0.2× 871 2.2× 118 6.2k
William A. Adams United Kingdom 28 138 0.1× 238 0.4× 190 0.4× 746 1.7× 96 0.2× 137 2.9k
Mary E. Power United States 69 82 0.0× 960 1.7× 566 1.2× 708 1.7× 863 2.2× 177 18.2k
Quan Hua Australia 41 365 0.2× 278 0.5× 4.7k 9.8× 294 0.7× 343 0.9× 209 9.6k
Scott B. Jones United States 41 946 0.6× 581 1.1× 1.6k 3.2× 1.1k 2.5× 56 0.1× 218 7.5k
J. Roy Black United States 31 94 0.1× 585 1.1× 230 0.5× 881 2.1× 86 0.2× 143 3.8k
Hyungjun Kim Japan 35 95 0.1× 340 0.6× 1.8k 3.7× 264 0.6× 237 0.6× 134 7.4k
Paul A. Schroeder United States 23 396 0.2× 66 0.1× 187 0.4× 118 0.3× 86 0.2× 66 2.2k

Countries citing papers authored by Helge Torgersen

Since Specialization
Citations

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

Fields of papers citing papers by Helge Torgersen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Helge Torgersen

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

All Works

20 of 20 papers shown
1.
Torgersen, Helge, et al.. (2025). Viscosity of bubbly magmas from torsional experiments on pumice. Journal of Volcanology and Geothermal Research. 461. 108297–108297.
2.
Torgersen, Helge, Heather Winslow, Philipp Ruprecht, et al.. (2023). Feasibility of melt segregation from a crystal mush in response to the 2011–2012 eruption at Cordón Caulle, Chile. Geophysical Journal International. 235(1). 610–634. 3 indexed citations
3.
Nierling, Linda & Helge Torgersen. (2019). Normativität in der Technikfolgenabschätzung. SHILAP Revista de lepidopterología. 28(1). 11–14. 2 indexed citations
4.
Giachetti, Thomas, et al.. (2019). Bubble Coalescence and Percolation Threshold in Expanding Rhyolitic Magma. Geochemistry Geophysics Geosystems. 20(2). 1054–1074. 35 indexed citations
5.
Nierling, Linda & Helge Torgersen. (2019). TATuP-Thema 1/2019: Normativität in der Technikfolgenabschätzung. SHILAP Revista de lepidopterología. 28(1). 10–64. 1 indexed citations
6.
Delvenne, Pierre, Armin Grünwald, Linda Nierling, & Helge Torgersen. (2019). Balancing engagement and neutrality in technology assessment. SHILAP Revista de lepidopterología. 28(1). 71–74. 4 indexed citations
7.
Jones, T. W., Helge Torgersen, William Moreland, & T. Thórdarson. (2019). Quantifying water entrainment in volcanic jets. EGUGA. 1407. 1 indexed citations
8.
Dugan, Brandon, et al.. (2015). Effect of Freeze-Thaw Cycles on Grain Size of Biochar. AGU Fall Meeting Abstracts. 2015. 1 indexed citations
9.
Masiello, Caroline A., Catherine E. Brewer, Brandon Dugan, et al.. (2014). Charcoal's physical properties are key to understanding its environmental behavior. EGU General Assembly Conference Abstracts. 13651. 1 indexed citations
10.
Ferguson, David, Terry Plank, E. H. Hauri, et al.. (2013). Comparing eruptions of varying intensity at Kilauea via melt inclusion analysis. AGUFM. 2013.
11.
Masiello, Caroline A., et al.. (2012). Density and porosity as controls on charcoal storage in soils. EGU General Assembly Conference Abstracts. 830. 1 indexed citations
12.
Torgersen, Helge, et al.. (2012). Water in pumices: rehydration or incomplete degassing?. AGU Fall Meeting Abstracts. 2012. 2 indexed citations
13.
Schmidt, Markus, Agomoni Ganguli‐Mitra, Helge Torgersen, et al.. (2009). A priority paper for the societal and ethical aspects of synthetic biology. PubMed. 3(1-4). 3–7. 46 indexed citations
14.
Torgersen, Helge & Sujoy Mukhopadhyay. (2009). Preserving noble gases in a convecting mantle. Nature. 459(7246). 560–563. 88 indexed citations
15.
Bogner, Alexander & Helge Torgersen. (2005). Wozu Experten?: Ambivalenzen der Beziehung von Wissenschaft Und Politik. Soft Matter. 20(24). 4827–4827. 22 indexed citations
16.
Manga, Michael, Helge Torgersen, & Atsuko Namiki. (2004). Why do volcanoes (only sometimes) erupt explosively. AGUSM. 2004. 2 indexed citations
17.
Gaskell, George, et al.. (2004). GM Foods and the Misperception of Risk Perception. Risk Analysis. 24(1). 185–194. 300 indexed citations
18.
Torgersen, Helge & Michael Manga. (2004). Flow banding in volcanic rocks: a record of multiplicative magma deformation. AGU Fall Meeting Abstracts. 2004. 1 indexed citations
19.
Torgersen, Helge, Jürgen Hampel, John Durant, et al.. (2002). Promise, problems and proxies: twenty-five years of debate and regulation in Europe. 30(3). 21–94. 27 indexed citations
20.
Skern, Tim, et al.. (1991). Human rhinovirus mutants resistant to low pH. Virology. 183(2). 757–763. 36 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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