Karel J. Keesman

7.4k total citations · 1 hit paper
234 papers, 5.4k citations indexed

About

Karel J. Keesman is a scholar working on Control and Systems Engineering, Water Science and Technology and Pollution. According to data from OpenAlex, Karel J. Keesman has authored 234 papers receiving a total of 5.4k indexed citations (citations by other indexed papers that have themselves been cited), including 64 papers in Control and Systems Engineering, 58 papers in Water Science and Technology and 45 papers in Pollution. Recurrent topics in Karel J. Keesman's work include Wastewater Treatment and Nitrogen Removal (41 papers), Advanced Control Systems Optimization (37 papers) and Control Systems and Identification (35 papers). Karel J. Keesman is often cited by papers focused on Wastewater Treatment and Nitrogen Removal (41 papers), Advanced Control Systems Optimization (37 papers) and Control Systems and Identification (35 papers). Karel J. Keesman collaborates with scholars based in Netherlands, Australia and Germany. Karel J. Keesman's co-authors include G. van Straten, Simon Goddek, P. M. Biesheuvel, Geert‐Jan Witkamp, H.H.M. Rijnaarts, Prashanth Suresh Kumar, Mark C.M. van Loosdrecht, Leon Korving, J.D. Stigter and Stefan Kaskel and has published in prestigious journals such as Environmental Science & Technology, Energy & Environmental Science and The Science of The Total Environment.

In The Last Decade

Karel J. Keesman

222 papers receiving 5.2k 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.

Direct prediction of the desalination performance of porous carbon electrodes for capacitive deionization

2013 489 citations Karel J. Keesman et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Karel J. Keesman Netherlands	37	1.9k	1.0k	819	807	701	234	5.4k
T. V. Ramachandra India	42	1.3k 0.7×	674 0.6×	157 0.2×	466 0.6×	1.0k 1.4×	279	7.8k
Brent R. Young New Zealand	44	835 0.4×	1.4k 1.3×	99 0.1×	408 0.5×	417 0.6×	279	6.8k
José C.M. Pires Portugal	35	509 0.3×	1.0k 1.0×	122 0.1×	287 0.4×	446 0.6×	113	5.4k
‪Marlia M. Hanafiah‬ Malaysia	41	1.4k 0.8×	672 0.6×	112 0.1×	577 0.7×	521 0.7×	207	5.0k
Olivier Bernard France	45	377 0.2×	2.0k 1.9×	119 0.1×	214 0.3×	670 1.0×	258	9.3k
Adriana Del Borghi Italy	38	489 0.3×	1.3k 1.3×	96 0.1×	509 0.6×	544 0.8×	176	5.3k
Teresa M. Mata Portugal	37	182 0.1×	2.7k 2.6×	266 0.3×	342 0.4×	236 0.3×	109	7.6k
Nídia S. Caetano Portugal	29	197 0.1×	2.7k 2.6×	269 0.3×	529 0.7×	257 0.4×	130	7.3k
Philip Owende Ireland	24	278 0.1×	1.9k 1.8×	104 0.1×	328 0.4×	313 0.4×	49	5.5k
Parisa A. Bahri Australia	36	630 0.3×	648 0.6×	74 0.1×	469 0.6×	402 0.6×	136	4.0k

Countries citing papers authored by Karel J. Keesman

Since Specialization

Citations

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

Fields of papers citing papers by Karel J. Keesman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karel J. Keesman. 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 Karel J. Keesman. The network helps show where Karel J. Keesman may publish in the future.

Co-authorship network of co-authors of Karel J. Keesman

This figure shows the co-authorship network connecting the top 25 collaborators of Karel J. Keesman. A scholar is included among the top collaborators of Karel J. Keesman 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 Karel J. Keesman. Karel J. Keesman 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

Stigter, J.D., et al.. (2025). Real-time chlorate by-product monitoring through hybrid estimation methods. Journal of Process Control. 148. 103404–103404.

Geurkink, Bert, et al.. (2025). Metatranscriptomes of activated sludge microbiomes from saline wastewater treatment plant. Scientific Data. 12(1). 348–348. 3 indexed citations

Zhu, Ze, Uri Yogev, Karel J. Keesman, & Amit Gross. (2024). Promoting circular economy: Comparison of novel coupled aquaponics with anaerobic digestion and conventional aquaponic systems on nutrient dynamics and sustainability. Resources Conservation and Recycling. 208. 107716–107716. 17 indexed citations

Keesman, Karel J., et al.. (2024). Influence of oxidation–reduction potential and pH on polysulfide concentrations and chain lengths in the biological desulfurization process under haloalkaline conditions. Water Research. 259. 121795–121795. 4 indexed citations

Verdegem, M.C.J., et al.. (2024). Towards understanding the dynamic behaviour of bioflocs in a fish tank culture: Integration of fish growth and activated sludge modelling. Aquacultural Engineering. 109. 102509–102509. 1 indexed citations

Goddek, Simon, O. Körner, Karel J. Keesman, et al.. (2023). How greenhouse horticulture in arid regions can contribute to climate-resilient and sustainable food security. Global Food Security. 38. 100701–100701. 22 indexed citations

Roman, Pawel, et al.. (2023). Polysulfide Concentration and Chain Length in the Biological Desulfurization Process: Effect of Biomass Concentration and the Sulfide Loading Rate. Environmental Science & Technology. 57(36). 13530–13540. 13 indexed citations

Keesman, Karel J., et al.. (2022). Exploration of efficient water, energy and nutrient use in aquaponics systems in northern latitudes. Socio-Environmental Systems Modeling. 2. 100012–100012. 8 indexed citations

Baganz, Gösta F. M., O. Körner, Daniela Baganz, et al.. (2021). Causal Relations of Upscaled Urban Aquaponics and the Food-Water-Energy Nexus—A Berlin Case Study. Water. 13(15). 2029–2029. 20 indexed citations

10.

Pinho, Sara M., Luiz H. David, Fabiana Garcia, et al.. (2021). South American fish species suitable for aquaponics: a review. Aquaculture International. 29(4). 1427–1449. 32 indexed citations

11.

Baganz, Gösta F. M., Ranka Junge, Maria Célia Portella, et al.. (2021). The aquaponic principle—It is all about coupling. Reviews in Aquaculture. 14(1). 252–264. 82 indexed citations

12.

David, Luiz H., Sara M. Pinho, Feni Agostinho, et al.. (2021). Sustainability of urban aquaponics farms: An emergy point of view. Journal of Cleaner Production. 331. 129896–129896. 37 indexed citations

13.

David, Luiz H., Sara M. Pinho, Feni Agostinho, et al.. (2020). Emergy synthesis for aquaculture: A review on its constraints and potentials. Reviews in Aquaculture. 13(2). 1119–1138. 37 indexed citations

14.

Goddek, Simon, Boris Delaide, Alyssa Joyce, et al.. (2018). Nutrient mineralization and organic matter reduction performance of RAS-based sludge in sequential UASB-EGSB reactors. Aquacultural Engineering. 83. 10–19. 77 indexed citations

15.

Torbaghan, Shahab Shariat, et al.. (2017). Assessing the flexibility potential of the residential load in smart electricity grids — A data-driven approach. TU/e Research Portal. 1–6. 6 indexed citations

16.

Agudelo-Vera, Claudia, Adriaan Mels, Karel J. Keesman, & H.H.M. Rijnaarts. (2012). The Urban Harvest Approach as an Aid for Sustainable Urban Resource Planning. Journal of Industrial Ecology. 16(6). 839–850. 40 indexed citations

17.

Keesman, Karel J., Jarkko Koskela, Joseph H. A. Guillaume, et al.. (2011). Uncertainty modelling and analysis of environmental systems: a river sediment yield example. Chan, F., Marinova, D. and Anderssen, R.S. (eds) MODSIM2011, 19th International Congress on Modelling and Simulation.. 1 indexed citations

18.

Mourik, S. van, et al.. (2007). Analytic control law for a food storage room. University of Twente Research Information. 2 indexed citations

19.

Abusam, A., Karel J. Keesman, & G. van Straten. (2002). Forward and backward uncertainty propagation: an oxidation ditch modelling example. Water Research. 37(2). 429–435. 11 indexed citations

20.

Straten, G. van, et al.. (2001). Modelling and control in agriculture, horticulture and post-harvest processing (Agricontrol 2000) : a proceedings volume from the 1st IFAC International Conference, Wageningen, The Netherlands, 10-12 July 2000. 3 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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