Norbert Hertkorn

15.1k citations

144 papers · 10.6k indexed · 5 hit papers · h-index 53

Impact in

Oceanography top 0.2%
- Marine and coastal ecosystems
- Marine Biology and Ecology Research
Environmental Chemistry top 0.2%

Papers in

Oceanography 51
- Marine and coastal ecosystems 48
Environmental Chemistry 18

Co-authors: Philippe Schmitt‐Kopplin Boris Koch Thorsten Dittmar Gerhard Kattner Mourad Harir Matthias Witt Moritz Frommberger E. Michael Perdue
Journals: Water Research (11 papers)Environmental Science & Technology (11 papers)Analytical Chemistry (8 papers)Analytical and Bioanalytical Chemistry (7 papers)Electrophoresis (5 papers)
Partner nations: Germany United States Sweden

In The Last Decade

Norbert Hertkorn

143 papers receiving 10.4k citations

Hit Papers

5 papers align trajectories log scale

Persistence of dissolved organic matter explained by molecular changes during its passage through soil 2019 · 351 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2019 Nature Geoscience
2013 Biogeosciences
2010 Proceedings of the National Academy of Sciences
2008 Limnology and Oceanography Methods
2006 Geochimica et Cosmochimica Acta

Peers

Countries citing papers authored by Norbert Hertkorn

Since Specialization

Citations

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

Fields of papers citing papers by Norbert Hertkorn

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network

The 25 scholars most cited alongside Norbert Hertkorn, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Norbert Hertkorn Line = papers co-authored together Norbert Hertkorn links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Dearomatization drives complexity generation in freshwater organic matter Nature ·Siyu Li, Mourad Harir, David Bastviken, Philippe Schmitt‐Kopplin, Michael Gonsior, Alex Enrich-Prast, Бауыржан Дулатулы Нурторе, Norbert Hertkorn	2024	21
2	Evaluation of the fate of wastewater effluent organic matter in receiving water: Effect of sequential photochemical and biological processes Journal of Hazardous Materials ·Lei Zheng, Feng Xiao, Xinyi Zhang, Yang Deng, B Tarezydto, Zhongli Liu, Xin Gu, Norbert Hertkorn, Gregory V. Korshin, Mingquan Yan	2023	4
3	Formation, stabilization and fate of acetaldehyde and higher aldehydes in an autonomously changing prebiotic system emerging from acetylene Communications Chemistry ·Д.В. Полянский, Janneke J. C. Bastings, Phaswane Mpe, Christian Seitz, Alexander Ruf, Claudia Huber, Norbert Hertkorn, Philippe Schmitt‐Kopplin	2023	11
4	Linkage Between Dissolved Organic Matter Transformation, Bacterial Carbon Production, and Diversity in a Shallow Oligotrophic Aquifer: Results From Flow-Through Sediment Microcosm Experiments Frontiers in Microbiology ·Joanne M. Stanley, Jenny Uhl, Norbert Hertkorn, Christian Griebler	2020	25
5	Molecular change of dissolved organic matter and patterns of bacterial activity in a stream along a land-use gradient Water Research ·Norbert Kamjunke, Norbert Hertkorn, Mourad Harir, Philippe Schmitt‐Kopplin, Christian Griebler, Mario Brauns, Wolf von Tümpling, Markus Weitere, Peter Herzsprung	2019	62
6	The chemodiversity of algal dissolved organic matter from lysed Microcystis aeruginosa cells and its ability to form disinfection by-products during chlorination Water Research ·Michael Gonsior, Leanne C. Powers, Ernest Williams, Allen R. Place, Feng Chen, Alexander Ruf, Norbert Hertkorn, Philippe Schmitt‐Kopplin	2019	77
7	Molecular characterization of particulate organic matter in full scale anaerobic digesters: An NMR spectroscopy study The Science of The Total Environment ·Sepehr Shakeri Yekta, Mattias Hedenström, Bo Svensson, Ingrid Sundgren, Mårten Dario, Alex Enrich‐Prast, Norbert Hertkorn, Annika Björn	2019	27
8	High field FT-ICR mass spectrometry data sets enlighten qualitative DOM alteration in lake sediment porewater profiles Organic Geochemistry ·Peter Herzsprung, Wolf von Tümpling, Katrin Wendt‐Potthoff, Norbert Hertkorn, Mourad Harir, Philippe Schmitt‐Kopplin, Kurt Friese	2017	27
9	Redox Conditions Affect Dissolved Organic Carbon Quality in Stratified Freshwaters Environmental Science & Technology ·Tallent Dadi, Mourad Harir, Norbert Hertkorn, Matthias Koschorreck, Philippe Schmitt‐Kopplin, Peter Herzsprung	2017	34
10	Differences in DOM of rewetted and natural peatlands – Results from high-field FT-ICR-MS and bulk optical parameters The Science of The Total Environment ·Peter Herzsprung, José Bárbaro Almeida Estévez, Wolf von Tümpling, Mourad Harir, Norbert Hertkorn, Philippe Schmitt‐Kopplin, Richard Meissner, 寛尾畑, Kurt Friese	2017	56
11	Land-based salmon aquacultures change the quality and bacterial degradation of riverine dissolved organic matter Scientific Reports ·Norbert Kamjunke, Jorge Nimptsch, Mourad Harir, Peter Herzsprung, Philippe Schmitt‐Kopplin, Thomas R. Neu, Daniel Graeber, H. El Ouazzani, Natalia Estrada-Carmona, Ю П Торсунова, Stefan Woelfl, Norbert Hertkorn	2017	46
12	Comprehensive structure-selective characterization of dissolved organic matter by reducing molecular complexity and increasing analytical dimensions Water Research ·Yan Li, Mourad Harir, Marianna Lucio, Michael Gonsior, Boris Koch, Philippe Schmitt‐Kopplin, Norbert Hertkorn	2016	25
13	Marine sequestration of carbon in bacterial metabolites Nature Communications ·Oliver J. Lechtenfeld, Norbert Hertkorn, Yuan Shen, Matthias Witt, Ronald Benner	2015	226
14	High-field FT-ICR mass spectrometry and NMR spectroscopy to characterize DOM removal through a nanofiltration pilot plant Water Research ·Núria Cortés-Francisco, Mourad Harir, Marianna Lucio, Myeong Jae Choe, Xavier Martínez‐Lladó, Miquel Rovira, Philippe Schmitt‐Kopplin, Norbert Hertkorn, Josep Caixach	2014	50
15	Suwannee River Natural Organic Matter: Isolation of the 2R101N Reference Sample by Reverse Osmosis Environmental Engineering Science ·Nelson W. Green, Daniel P. McInnis, Norbert Hertkorn, Patricia A. Maurice, E. Michael Perdue	2014	86
16	Hydrolysis of mefenpyrdiethyl: an analytical and DFT investigation Analytical and Bioanalytical Chemistry ·H. R�sch, Mourad Harir, Basem Kanawati, Ágnes Fekete, Yu Fen Zhang, Norbert Hertkorn, Philippe Schmitt‐Kopplin	2010	7
17	Flavonol 3‐O‐glycoside hydroxycinnamoyltransferases from Scots pine (Pinus sylvestris L.) FEBS Journal ·Florian Kaffarnik, Werner Heller, Norbert Hertkorn, Heinrich Sandermann	2005	14
18	Analysis of N‐acylhomoserine lactones after alkaline hydrolysis and anion‐exchange solid‐phase extraction by capillary zone electrophoresis‐mass spectrometry Electrophoresis ·Moritz Frommberger, Norbert Hertkorn, Matthias Englmann, Sarah Jakoby, Anton Hartmann, Antonius Kettrup, Philippe Schmitt‐Kopplin	2005	35
19	Quantitative and qualitative precision improvements by effective mobility-scale data transformation in capillary electrophoresis analysis Electrophoresis ·Philippe Schmitt‐Kopplin, Sae Young Jeong, Alexey V. Kudryavtsev, F. Menzinger, Irina V. Perminova, Norbert Hertkorn, D. Freitag, Valery S. Petrosyan, Antonius Kettrup	2001	56
20	Partial purification of a GTP‐insensitive (1 → 3)‐β‐glucan synthase from Phytophthora sojae FEBS Letters ·Luís T. Antelo, Eric G. Cosio, Norbert Hertkorn, Jürgen Ebel	1998	8

About Norbert Hertkorn

Norbert Hertkorn is a scholar working on Oceanography, Environmental Chemistry, Ecology, Industrial and Manufacturing Engineering and Analytical Chemistry, having authored 144 papers that have together received 10.6k indexed citations. Recurring topics across this work include Marine and coastal ecosystems (48 papers), Isotope Analysis in Ecology (31 papers), Microbial Community Ecology and Physiology (12 papers), Water Quality Monitoring and Analysis (11 papers), Metabolomics and Mass Spectrometry Studies (10 papers), Mass Spectrometry Techniques and Applications (10 papers), Water Treatment and Disinfection (10 papers) and Analytical Chemistry and Chromatography (9 papers). The work is most often cited by research in Oceanography (3.7k citations), Environmental Chemistry (1.6k citations), Ecology (3.6k citations), Health, Toxicology and Mutagenesis (1.8k citations) and Pollution (1.2k citations). Norbert Hertkorn has collaborated with scholars based in Germany, United States and Sweden. Frequent co-authors include Philippe Schmitt‐Kopplin, Boris Koch, Thorsten Dittmar, Gerhard Kattner, Mourad Harir, Matthias Witt, Moritz Frommberger, E. Michael Perdue, A. Kettrup and Michael Gonsior. Their work appears in journals such as Water Research, Environmental Science & Technology, Analytical Chemistry, Analytical and Bioanalytical Chemistry and Electrophoresis.

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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