Karl Oetjen

1.2k total citations · 1 hit paper
9 papers, 1.0k citations indexed

About

Karl Oetjen is a scholar working on Global and Planetary Change, Health, Toxicology and Mutagenesis and Environmental Chemistry. According to data from OpenAlex, Karl Oetjen has authored 9 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 4 papers in Global and Planetary Change, 3 papers in Health, Toxicology and Mutagenesis and 3 papers in Environmental Chemistry. Recurrent topics in Karl Oetjen's work include Atmospheric and Environmental Gas Dynamics (4 papers), Toxic Organic Pollutants Impact (3 papers) and Per- and polyfluoroalkyl substances research (2 papers). Karl Oetjen is often cited by papers focused on Atmospheric and Environmental Gas Dynamics (4 papers), Toxic Organic Pollutants Impact (3 papers) and Per- and polyfluoroalkyl substances research (2 papers). Karl Oetjen collaborates with scholars based in United States, Switzerland and Czechia. Karl Oetjen's co-authors include Christopher P. Higgins, Jennifer A. Field, Simon C. Roberts, Robert McCrindle, Sarah Choyke, P. Lee Ferguson, Nicole Riddell, Krista A. Barzen-Hanson, Alan J. McAlees and Tzahi Y. Cath and has published in prestigious journals such as Environmental Science & Technology, The Science of The Total Environment and Desalination.

In The Last Decade

Karl Oetjen

8 papers receiving 990 citations

Hit Papers

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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.

Discovery of 40 Classes of Per- and Polyfluoroalkyl Substances in Historical Aqueous Film-Forming Foams (AFFFs) and AFFF-Impacted Groundwater

2017 683 citations Krista A. Barzen-Hanson, Simon C. Roberts et al. Environmental Science & Technology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Karl Oetjen United States	8	718	657	393	118	96	9	1.0k
Christopher I. Olivares United States	18	353 0.5×	579 0.9×	131 0.3×	76 0.6×	112 1.2×	37	982
Carrie A. McDonough United States	20	989 1.4×	1.1k 1.7×	485 1.2×	34 0.3×	57 0.6×	34	1.4k
Zihan Zhai China	16	391 0.5×	304 0.5×	343 0.9×	87 0.7×	36 0.4×	24	679
Garrett C. Struckhoff United States	7	476 0.7×	405 0.6×	212 0.5×	39 0.3×	88 0.9×	10	766
Lucía Rodríguez-Freire United States	13	403 0.6×	193 0.3×	103 0.3×	35 0.3×	76 0.8×	20	679
Aniela Burant United States	6	269 0.4×	202 0.3×	108 0.3×	18 0.2×	104 1.1×	7	483
Mark Bowman Australia	10	244 0.3×	309 0.5×	88 0.2×	25 0.2×	71 0.7×	20	712
Binaya Raj Shivakoti Japan	12	487 0.7×	403 0.6×	223 0.6×	52 0.4×	96 1.0×	39	691
John T. Hoff Canada	9	156 0.2×	359 0.5×	297 0.8×	105 0.9×	56 0.6×	10	696

Countries citing papers authored by Karl Oetjen

Since Specialization

Citations

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

Fields of papers citing papers by Karl Oetjen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Karl Oetjen

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

All Works

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9 of 9 papers shown

Droz, Boris, Trever Schwichtenberg, Karl Oetjen, et al.. (2025). Discovery of Comprehensive Sets of Chemical Constituents as Markers of PFAS Sources through a Nontarget Screening and Machine Learning Approach. Environmental Science & Technology. 59(42). 22852–22865.

Chiaia‐Hernández, Aurea C., Pablo A. Lara‐Martín, Martin Loos, et al.. (2019). Suspect Screening of Hydrocarbon Surfactants in AFFFs and AFFF-Contaminated Groundwater by High-Resolution Mass Spectrometry. Environmental Science & Technology. 53(14). 8068–8077. 71 indexed citations

Wolfand, Jordyn M., Colin D. Bell, Yeo‐Myoung Cho, et al.. (2019). Occurrence of Urban-Use Pesticides and Management with Enhanced Stormwater Control Measures at the Watershed Scale. Environmental Science & Technology. 53(7). 3634–3644. 48 indexed citations

Oetjen, Karl, Jens Blotevogel, Thomas Borch, James F. Ranville, & Christopher P. Higgins. (2018). Simulation of a hydraulic fracturing wastewater surface spill on agricultural soil. The Science of The Total Environment. 645. 229–234. 13 indexed citations

Riley, Stephanie, et al.. (2018). Closed circuit desalination of O&G produced water: An evaluation of NF/RO performance and integrity. Desalination. 442. 51–61. 50 indexed citations

Oetjen, Karl, Jan H. Christensen, Jens Blotevogel, et al.. (2017). Temporal characterization and statistical analysis of flowback and produced waters and their potential for reuse. The Science of The Total Environment. 619-620. 654–664. 73 indexed citations

Barzen-Hanson, Krista A., Simon C. Roberts, Sarah Choyke, et al.. (2017). Discovery of 40 Classes of Per- and Polyfluoroalkyl Substances in Historical Aqueous Film-Forming Foams (AFFFs) and AFFF-Impacted Groundwater. Environmental Science & Technology. 51(4). 2047–2057. 683 indexed citations breakdown →

Oetjen, Karl, et al.. (2017). Emerging analytical methods for the characterization and quantification of organic contaminants in flowback and produced water. Trends in Environmental Analytical Chemistry. 15. 12–23. 62 indexed citations

Oetjen, Karl, et al.. (2016). Volatile and semi-volatile organic compound patterns in flowback waters from fracturing sites within the Marcellus Shale. Environmental Earth Sciences. 75(12). 9 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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