Karen R. Ryberg

2.8k total citations · 1 hit paper
44 papers, 1.7k citations indexed

About

Karen R. Ryberg is a scholar working on Water Science and Technology, Environmental Chemistry and Global and Planetary Change. According to data from OpenAlex, Karen R. Ryberg has authored 44 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 38 papers in Water Science and Technology, 17 papers in Environmental Chemistry and 11 papers in Global and Planetary Change. Recurrent topics in Karen R. Ryberg's work include Water Quality and Resources Studies (22 papers), Hydrology and Watershed Management Studies (22 papers) and Soil and Water Nutrient Dynamics (17 papers). Karen R. Ryberg is often cited by papers focused on Water Quality and Resources Studies (22 papers), Hydrology and Watershed Management Studies (22 papers) and Soil and Water Nutrient Dynamics (17 papers). Karen R. Ryberg collaborates with scholars based in United States, Austria and India. Karen R. Ryberg's co-authors include Robert M. Hirsch, Robert J. Gilliom, S. A. Archfield, Aldo V. Vecchia, Edward J. Gilroy, Dennis R. Helsel, Wesley W. Stone, Lori A. Sprague, Robert W. Dudley and Glenn A. Hodgkins and has published in prestigious journals such as Nature, SHILAP Revista de lepidopterología and Environmental Science & Technology.

In The Last Decade

Karen R. Ryberg

40 papers receiving 1.4k citations

Hit Papers

Statistical methods in water resources 2020 2026 2022 2024 2020 100 200 300
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. Statistical methods in water resources
    2020 377 citations Dennis R. Helsel, Robert M. Hirsch et al. Techniques and methods profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Karen R. Ryberg United States 18 972 591 381 295 264 44 1.7k
Susanna T.Y. Tong United States 16 907 0.9× 409 0.7× 375 1.0× 265 0.9× 207 0.8× 37 1.6k
Rosemary Carroll United States 23 809 0.8× 521 0.9× 289 0.8× 166 0.6× 340 1.3× 67 1.7k
Ligang Xu China 24 720 0.7× 734 1.2× 284 0.7× 187 0.6× 538 2.0× 116 1.7k
Chong Fang China 30 673 0.7× 390 0.7× 562 1.5× 145 0.5× 522 2.0× 66 2.0k
Wenchao Sun China 23 861 0.9× 885 1.5× 194 0.5× 199 0.7× 473 1.8× 59 1.7k
Ji‐Hyung Park South Korea 23 482 0.5× 300 0.5× 517 1.4× 266 0.9× 505 1.9× 49 1.7k
Craig Allan United States 13 628 0.6× 263 0.4× 504 1.3× 203 0.7× 507 1.9× 38 1.5k
Haw Yen United States 29 1.8k 1.8× 922 1.6× 809 2.1× 287 1.0× 284 1.1× 102 2.6k
Xiaolong Wang China 24 471 0.5× 472 0.8× 327 0.9× 374 1.3× 723 2.7× 69 1.7k

Countries citing papers authored by Karen R. Ryberg

Since Specialization
Citations

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

Fields of papers citing papers by Karen R. Ryberg

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karen R. Ryberg. 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 Karen R. Ryberg. The network helps show where Karen R. Ryberg may publish in the future.

Co-authorship network of co-authors of Karen R. Ryberg

This figure shows the co-authorship network connecting the top 25 collaborators of Karen R. Ryberg. A scholar is included among the top collaborators of Karen R. Ryberg 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 Karen R. Ryberg. Karen R. Ryberg 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.
Ryberg, Karen R., et al.. (2025). Peak streamflow trends in North Dakota and their relation to changes in climate, water years 1921–2020. Scientific investigations report.
2.
3.
Ryberg, Karen R.. (2024). Why snow is crucial for water supply — and what will happen when it becomes scarce. Nature. 629(8014). 1013–1014. 4 indexed citations
4.
5.
Ryberg, Karen R., et al.. (2021). Historical and paleoflood analyses for probabilistic flood-hazard assessments—Approaches and review guidelines. Techniques and methods. 9 indexed citations
6.
Hecht, Jory S., et al.. (2021). Simulation experiments comparing nonstationary design-flood adjustments based on observed annual peak flows in the conterminous United States. SHILAP Revista de lepidopterología. 17. 100115–100115. 9 indexed citations
7.
Ryberg, Karen R. & Jeffrey G. Chanat. (2021). Climate extremes as drivers of surface-water-quality trends in the United States. The Science of The Total Environment. 809. 152165–152165. 37 indexed citations
8.
Helsel, Dennis R., Robert M. Hirsch, Karen R. Ryberg, S. A. Archfield, & Edward J. Gilroy. (2020). Statistical methods in water resources. Techniques and methods. 377 indexed citations breakdown →
9.
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Ryberg, Karen R., Glenn A. Hodgkins, & Robert W. Dudley. (2019). Change points in annual peak streamflows: Method comparisons and historical change points in the United States. Journal of Hydrology. 583. 124307–124307. 72 indexed citations
11.
Ryberg, Karen R., et al.. (2015). Changes in seasonality and timing of peak streamflow in snow and semi‐arid climates of the north‐central United States, 1910–2012. Hydrological Processes. 30(8). 1208–1218. 36 indexed citations
12.
Ryberg, Karen R., et al.. (2015). Changes in Total Phosphorus Concentration in the Red River of the North Basin, 1970-2012. 1–10. 1 indexed citations
13.
Ryberg, Karen R., Aldo V. Vecchia, Robert J. Gilliom, & Jeffrey D. Martin. (2014). Pesticide trends in major rivers of the United States, 1992-2010. Scientific investigations report. 20 indexed citations
14.
Ryberg, Karen R. & Aldo V. Vecchia. (2012). waterData--An R package for retrieval, analysis, and anomaly calculation of daily hydrologic time series data, version 1.0. Antarctica A Keystone in a Changing World. 32 indexed citations
15.
Ryberg, Karen R., et al.. (2009). Summary and analysis of water-quality data for the Arrowwood National Wildlife Refuge, east-central North Dakota, 1987-2004. Scientific investigations report. 1 indexed citations
16.
Ryberg, Karen R.. (2008). PFReports: A program for systematic checking of annual peaks in NWISWeb. Antarctica A Keystone in a Changing World. 12 indexed citations
17.
Ryberg, Karen R., et al.. (2007). 10th Anniversary of the 1997 Red River Flood. 2 indexed citations
18.
Ryberg, Karen R.. (2006). Cluster analysis of water-quality data for Lake Sakakawea, Audubon Lake, and McClusky Canal, central North Dakota, 1990-2003. Scientific investigations report. 14 indexed citations
19.
20.
Ryberg, Karen R., et al.. (2005). Graphical user interface for accessing water-quality data for the Devils Lake basin, North Dakota. Antarctica A Keystone in a Changing World. 1 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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