Charles E. Schaefer

8.8k total citations · 1 hit paper
253 papers, 6.4k citations indexed

About

Charles E. Schaefer is a scholar working on Health, Toxicology and Mutagenesis, Environmental Chemistry and Clinical Psychology. According to data from OpenAlex, Charles E. Schaefer has authored 253 papers receiving a total of 6.4k indexed citations (citations by other indexed papers that have themselves been cited), including 71 papers in Health, Toxicology and Mutagenesis, 63 papers in Environmental Chemistry and 61 papers in Clinical Psychology. Recurrent topics in Charles E. Schaefer's work include Per- and polyfluoroalkyl substances research (59 papers), Toxic Organic Pollutants Impact (56 papers) and Child Therapy and Development (43 papers). Charles E. Schaefer is often cited by papers focused on Per- and polyfluoroalkyl substances research (59 papers), Toxic Organic Pollutants Impact (56 papers) and Child Therapy and Development (43 papers). Charles E. Schaefer collaborates with scholars based in United States, Spain and China. Charles E. Schaefer's co-authors include Christopher P. Higgins, Timothy J. Strathmann, Christina Andaya, Ane Urtiaga, Jennifer A. Field, Anne Anastasi, Yida Fang, Andrew C. Maizel, Kevin O’Connor and Dung Nguyen and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Environmental Science & Technology and Journal of Applied Psychology.

In The Last Decade

Charles E. Schaefer

237 papers receiving 5.8k 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.

Anion exchange resin removal of per- and polyfluoroalkyl substances (PFAS) from impacted water: A critical review

2021 185 citations Yida Fang, Charles E. Schaefer et al. Water Research profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Charles E. Schaefer United States	45	2.6k	2.2k	1.3k	1.0k	676	253	6.4k
George A. Parks United States	46	1.7k 0.7×	599 0.3×	1.1k 0.8×	136 0.1×	493 0.7×	68	12.0k
Marc Leblanc France	48	1.1k 0.4×	264 0.1×	943 0.7×	452 0.4×	990 1.5×	188	8.4k
Bruce P. Lanphear United States	82	2.2k 0.9×	16.0k 7.4×	914 0.7×	320 0.3×	221 0.3×	438	26.4k
Joseph G. Allen United States	42	2.0k 0.8×	5.3k 2.5×	98 0.1×	868 0.8×	768 1.1×	121	8.7k
Daniel W. Smith Canada	48	837 0.3×	1.1k 0.5×	1.8k 1.4×	120 0.1×	578 0.9×	251	7.8k
David B. Baker United States	36	2.3k 0.9×	838 0.4×	338 0.3×	147 0.1×	408 0.6×	99	5.7k
Devendra Narain Singh India	56	507 0.2×	114 0.1×	1.2k 0.9×	450 0.4×	1.8k 2.7×	374	11.2k
Zhengmin Qian United States	54	743 0.3×	6.5k 3.0×	345 0.3×	547 0.5×	1.6k 2.4×	270	9.7k
Reiko Kishi Japan	51	2.3k 0.9×	5.6k 2.6×	131 0.1×	418 0.4×	138 0.2×	332	9.7k
Malcolm Sim Australia	45	300 0.1×	2.7k 1.2×	802 0.6×	189 0.2×	251 0.4×	290	6.9k

Countries citing papers authored by Charles E. Schaefer

Since Specialization

Citations

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

Fields of papers citing papers by Charles E. Schaefer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Charles E. Schaefer. 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 Charles E. Schaefer. The network helps show where Charles E. Schaefer may publish in the future.

Co-authorship network of co-authors of Charles E. Schaefer

This figure shows the co-authorship network connecting the top 25 collaborators of Charles E. Schaefer. A scholar is included among the top collaborators of Charles E. Schaefer 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 Charles E. Schaefer. Charles E. Schaefer 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

McDonough, Jeffrey T., et al.. (2025). PFAS conceptual site model of an AFFF-impacted firefighting training area informed by high resolution soil, porewater, and groundwater sampling. Journal of Contaminant Hydrology. 276. 104728–104728.

Misal, Saurabh N., Jun Duan, Youn Jeong Choi, et al.. (2025). Electrochemical Oxidation of Perfluorooctanoic Acid on a Bi ₂ O ₃ –SnO ₂ /Ti ₄ O ₇ Reactive Electrochemical Membrane: Application to Groundwater Treatment with Mechanistic Insights. ACS ES&T Engineering. 5(12). 3591–3606.

Schaefer, Charles E., et al.. (2024). Air-water interfacial collapse and rate-limited solid desorption control Perfluoroalkyl acid leaching from the vadose zone. Journal of Contaminant Hydrology. 265. 104382–104382. 14 indexed citations

Schaefer, Charles E., et al.. (2023). Per‐ and polyfluoroalkyl substances in foam and dewatering streams at wastewater treatment plants. AWWA Water Science. 5(4). 15 indexed citations

Choi, Youn Jeong, et al.. (2023). Predicting Concentration- and Ionic-Strength-Dependent Air–Water Interfacial Partitioning Parameters of PFASs Using Quantitative Structure–Property Relationships (QSPRs). Environmental Science & Technology. 57(13). 5203–5215. 25 indexed citations

Schaefer, Charles E., Jennifer Hooper, Ibrahim Abusallout, et al.. (2023). Occurrence of quantifiable and semi-quantifiable poly- and perfluoroalkyl substances in united states wastewater treatment plants. Water Research. 233. 119724–119724. 56 indexed citations

Choi, Youn Jeong, et al.. (2022). Estimation of Transport Parameters of Perfluoroalkyl Acids (PFAAs) in Unsaturated Porous Media: Critical Experimental and Modeling Improvements. Environmental Science & Technology. 56(12). 7963–7975. 36 indexed citations

Schaefer, Charles E., et al.. (2020). Application of Rapid Small-Scale Column Tests for Treatment of Perfluoroalkyl Acids Using Anion-Exchange Resins and Granular Activated Carbon in Groundwater with Elevated Organic Carbon. Industrial & Engineering Chemistry Research. 59(38). 16832–16837. 23 indexed citations

Schaefer, Charles E., et al.. (2007). Handbook of parent training : helping parents prevent and solve problem behaviors. Wiley eBooks. 94 indexed citations

10.

Schaefer, Charles E., et al.. (2006). Short-Term Play Therapy for Children. Second Edition.. 2 indexed citations

11.

Schaefer, Charles E.. (2003). Play therapy with adults. J. Wiley eBooks. 20 indexed citations

12.

Schaefer, Charles E., et al.. (2000). Play diagnosis and assessment. Wiley eBooks. 261 indexed citations

13.

Schaefer, Charles E., et al.. (1997). 101 favorite play therapy techniques. 28 indexed citations

14.

Schaefer, Charles E. & Kevin O’Connor. (1994). Advances and innovations. Wiley eBooks. 4 indexed citations

15.

Schaefer, Charles E.. (1994). Competitors Yet Partners: The Bank of Ethiopia and Indian Informal Bankers, 1931-1936. Journal of Ethiopian studies. 27(2). 45–68. 2 indexed citations

16.

Schaefer, Charles E., et al.. (1989). Handbook of parent training: Parents as co-therapists for children's behavior problems.. John Wiley & Sons eBooks. 220 indexed citations

17.

Schaefer, Charles E.. (1988). Innovative interventions in child and adolescent therapy. J. Wiley eBooks. 26 indexed citations

18.

Schaefer, Charles E., et al.. (1982). Group therapies for children and youth. Jossey-Bass eBooks. 10 indexed citations

19.

Schaefer, Charles E., et al.. (1980). Therapies for school behavior problems. Jossey-Bass eBooks. 16 indexed citations

20.

Schaefer, Charles E.. (1978). How to influence children : a handbook of practical parenting skills. Van Nostrand Reinhold eBooks. 2 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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