Hans W. Paerl

45.9k total citations · 25 hit papers
302 papers, 34.1k citations indexed

About

Hans W. Paerl is a scholar working on Oceanography, Environmental Chemistry and Ecology. According to data from OpenAlex, Hans W. Paerl has authored 302 papers receiving a total of 34.1k indexed citations (citations by other indexed papers that have themselves been cited), including 214 papers in Oceanography, 163 papers in Environmental Chemistry and 131 papers in Ecology. Recurrent topics in Hans W. Paerl's work include Marine and coastal ecosystems (208 papers), Aquatic Ecosystems and Phytoplankton Dynamics (143 papers) and Microbial Community Ecology and Physiology (62 papers). Hans W. Paerl is often cited by papers focused on Marine and coastal ecosystems (208 papers), Aquatic Ecosystems and Phytoplankton Dynamics (143 papers) and Microbial Community Ecology and Physiology (62 papers). Hans W. Paerl collaborates with scholars based in United States, China and Spain. Hans W. Paerl's co-authors include Timothy G. Otten, Boqiang Qin, Jef Huisman, Valerie J. Paul, Guangwei Zhu, Karl E. Havens, Nathan S. Hall, Hai Xu, Wayne A. Wurtsbaugh and Sybil P. Seitzinger and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Hans W. Paerl

285 papers receiving 32.5k citations

Hit Papers

Controlling Eutrophication: Nitrogen a... 1988 2026 2000 2013 2009 2013 2011 2009 2011 1000 2.0k 3.0k
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. Controlling Eutrophication: Nitrogen and Phosphorus
    2009 3.1k citations Hans W. Paerl et al. profile →
  2. Harmful Cyanobacterial Blooms: Causes, Consequences, and Controls
    2013 1.4k citations Hans W. Paerl et al. profile →
  3. Climate change: Links to global expansion of harmful cyanobacteria
    2011 1.3k citations Hans W. Paerl et al. Water Research profile →
  4. Climate change: a catalyst for global expansion of harmful cyanobacterial blooms
    2009 1.3k citations Hans W. Paerl, Jef Huisman profile →
  5. Controlling harmful cyanobacterial blooms in a world experiencing anthropogenic and climatic-induced change
    2011 865 citations Hans W. Paerl, Nathan S. Hall et al. profile →
  6. Nitrogen and phosphorus inputs control phytoplankton growth in eutrophic Lake Taihu, China
    2009 864 citations Hai Xu, Hans W. Paerl et al. Limnology and Oceanography profile →
  7. Controlling harmful cyanobacterial blooms in a hyper-eutrophic lake (Lake Taihu, China): The need for a dual nutrient (N & P) management strategy
    2010 862 citations Hans W. Paerl, Hai Xu et al. Water Research profile →
  8. Ecological Thresholds: The Key to Successful Environmental Management or an Important Concept with No Practical Application?
    2006 861 citations Barbara Levinson, Hans W. Paerl et al. profile →
  9. A Drinking Water Crisis in Lake Taihu, China: Linkage to Climatic Variability and Lake Management
    2009 833 citations Boqiang Qin, Guangwei Zhu et al. profile →
  10. A review of the global ecology, genomics, and biogeography of the toxic cyanobacterium, Microcystis spp.
    2016 832 citations Morgan M. Steffen, Susanna A. Wood et al. profile →
  11. Harmful Freshwater Algal Blooms, With an Emphasis on Cyanobacteria
    2001 820 citations Hans W. Paerl et al. profile →
  12. Nuisance phytoplankton blooms in coastal, estuarine, and inland waters
    1988 743 citations Hans W. Paerl Limnology and Oceanography profile →
  13. Nutrients, eutrophication and harmful algal blooms along the freshwater to marine continuum
    2019 676 citations Hans W. Paerl et al. profile →
  14. Coastal eutrophication and harmful algal blooms: Importance of atmospheric deposition and groundwater as “new” nitrogen and other nutrient sources
    1997 650 citations Hans W. Paerl Limnology and Oceanography profile →
  15. The oceanic fixed nitrogen and nitrous oxide budgets: Moving targets as we enter the anthropocene?
    2001 625 citations Hans W. Paerl et al. profile →
  16. The role of microbes in accretion, lamination and early lithification of modern marine stromatolites
    2000 596 citations Hans W. Paerl et al. profile →
  17. It Takes Two to Tango: When and Where Dual Nutrient (N & P) Reductions Are Needed to Protect Lakes and Downstream Ecosystems
    2016 551 citations Hans W. Paerl et al. Environmental Science & Technology profile →
  18. Mitigating cyanobacterial harmful algal blooms in aquatic ecosystems impacted by climate change and anthropogenic nutrients
    2016 505 citations Hans W. Paerl, Boqiang Qin et al. profile →
  19. Rationale for Control of Anthropogenic Nitrogen and Phosphorus to Reduce Eutrophication of Inland Waters
    2011 460 citations Hans W. Paerl et al. Environmental Science & Technology profile →
  20. How rising CO2 and global warming may stimulate harmful cyanobacterial blooms
    2016 458 citations Hans W. Paerl, Jef Huisman et al. profile →
  21. Future HAB science: Directions and challenges in a changing climate
    2019 292 citations Hans W. Paerl et al. profile →
  22. Mitigating the Expansion of Harmful Algal Blooms Across the Freshwater-to-Marine Continuum
    2018 291 citations Hans W. Paerl et al. Environmental Science & Technology profile →
  23. Climate Change Impacts on Harmful Algal Blooms in U.S. Freshwaters: A Screening-Level Assessment
    2017 261 citations Steven C. Chapra, Brent Boehlert et al. Environmental Science & Technology profile →
  24. Toxic Cyanobacteria: A Growing Threat to Water and Air Quality
    2020 206 citations Hans W. Paerl et al. Environmental Science & Technology profile →
  25. Harmful algal blooms in inland waters
    2024 67 citations Lian Feng, Xuejiao Hou et al. Nature Reviews Earth & Environment profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Hans W. Paerl United States 88 19.1k 18.0k 12.5k 5.5k 3.4k 302 34.1k
Boqiang Qin China 79 12.9k 0.7× 11.5k 0.6× 6.9k 0.6× 5.4k 1.0× 1.9k 0.6× 350 21.1k
Robert W. Howarth United States 83 18.7k 1.0× 10.7k 0.6× 16.8k 1.3× 8.9k 1.6× 9.3k 2.7× 208 49.6k
Sybil P. Seitzinger United States 74 12.9k 0.7× 8.0k 0.4× 9.5k 0.8× 5.5k 1.0× 5.9k 1.7× 127 34.0k
Erik Jeppesen Denmark 102 28.0k 1.5× 15.0k 0.8× 22.7k 1.8× 7.1k 1.3× 5.1k 1.5× 776 44.3k
James J. Elser United States 91 13.7k 0.7× 8.9k 0.5× 16.6k 1.3× 2.5k 0.4× 6.0k 1.8× 307 39.9k
Lars J. Tranvik Sweden 84 10.5k 0.6× 15.6k 0.9× 12.6k 1.0× 4.0k 0.7× 7.0k 2.0× 216 28.9k
William H. McDowell United States 77 12.3k 0.6× 6.0k 0.3× 10.6k 0.8× 7.1k 1.3× 5.4k 1.6× 283 26.9k
Diane M. McKnight United States 78 7.5k 0.4× 7.1k 0.4× 8.6k 0.7× 4.9k 0.9× 1.8k 0.5× 309 23.0k
David W. Schindler Canada 52 8.3k 0.4× 4.1k 0.2× 7.5k 0.6× 3.0k 0.5× 3.1k 0.9× 124 20.3k
Martin Søndergaard Denmark 73 13.8k 0.7× 7.3k 0.4× 10.2k 0.8× 3.3k 0.6× 2.0k 0.6× 300 20.8k

Countries citing papers authored by Hans W. Paerl

Since Specialization
Citations

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

Fields of papers citing papers by Hans W. Paerl

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hans W. Paerl. 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 Hans W. Paerl. The network helps show where Hans W. Paerl may publish in the future.

Co-authorship network of co-authors of Hans W. Paerl

This figure shows the co-authorship network connecting the top 25 collaborators of Hans W. Paerl. A scholar is included among the top collaborators of Hans W. Paerl 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 Hans W. Paerl. Hans W. Paerl 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.
Qiu, Yu, Hai Xu, Wei Zou, et al.. (2025). Rainstorm regimes modulate cyanobacterial bloom dynamics in deep reservoirs: Synergistic effects of nutrient pulses and hydrological perturbations. Limnology and Oceanography. 70(11). 3462–3476. 1 indexed citations
2.
Zhao, Xu, Ying Liu, Ying Liu, et al.. (2025). Combined Effects of Irradiation, Nutrients, and Cyanobacterial Composition on Microcystin Concentration in Chinese Plateau Lakes. Environment & Health. 3(11). 1366–1379.
3.
Xu, Hai, Xingchen Zhao, Lijuan Kang, et al.. (2024). Rainfall impacts on nonpoint nitrogen and phosphorus dynamics in an agricultural river in subtropical montane reservoir region of southeast China. Journal of Environmental Sciences. 149. 551–563. 11 indexed citations
4.
5.
Feng, Lian, Ying Wang, Xuejiao Hou, et al.. (2024). Author Correction: Harmful algal blooms in inland waters. Nature Reviews Earth & Environment. 6(2). 156–156.
6.
Waal, Dedmer B. Van de, Alena S. Gsell, Ted D. Harris, et al.. (2023). Hot summers raise public awareness of toxic cyanobacterial blooms. Water Research. 249. 120817–120817. 18 indexed citations
7.
Liu, Ying, Yuming Guo, Chi Xu, et al.. (2023). Meta-Analysis Reveals Cyanotoxins Risk Across African Inland Waters. SSRN Electronic Journal. 1 indexed citations
8.
Ma, Jianrong, Qiao Chen, Hans W. Paerl, et al.. (2023). Relationship between anthropogenic factors and freshwater quality in Hainan Province, south China. Environmental Science and Pollution Research. 30(40). 92379–92389.
9.
Liu, Ying, Yuming Guo, Chi Xu, et al.. (2023). Meta-analysis reveals cyanotoxins risk across African inland waters. Journal of Hazardous Materials. 451. 131160–131160. 21 indexed citations
10.
Meerhoff, Mariana, Joachim Audet, Thomas A. Davidson, et al.. (2022). Feedback between climate change and eutrophication: revisiting the allied attack concept and how to strike back. Inland Waters. 12(2). 187–204. 86 indexed citations
11.
Qin, Boqiang, Jianming Deng, Kun� Shi, et al.. (2021). Extreme Climate Anomalies Enhancing Cyanobacterial Blooms in Eutrophic Lake Taihu, China. Water Resources Research. 57(7). 123 indexed citations
12.
Harding, Lawrence W., Michael E. Mallonee, Elgin S. Perry, et al.. (2020). Seasonal to Inter-Annual Variability of Primary Production in Chesapeake Bay: Prospects to Reverse Eutrophication and Change Trophic Classification. Scientific Reports. 10(1). 2019–2019. 14 indexed citations
13.
Christensen, Norman L., Patricia A. Cunningham, Iris C. Anderson, et al.. (2020). Ecosystem-based management for military training, biodiversity, carbon storage and climate resiliency on a complex coastal land/water-scape. Journal of Environmental Management. 280. 111755–111755. 1 indexed citations
14.
Paerl, Ryan W., et al.. (2020). Picophytoplankton dynamics in a large temperate estuary and impacts of extreme storm events. Scientific Reports. 10(1). 22026–22026. 33 indexed citations
15.
Cai, Haiyuan, Lee R. Krumholz, K. David Hambright, et al.. (2019). The global Microcystis interactome. Limnology and Oceanography. 65(S1). S194–S207. 87 indexed citations
16.
Dam, Bryce Van, Joseph R. Crosswell, Iris C. Anderson, & Hans W. Paerl. (2017). Watershed-scale drivers of air-water CO 2 exchanges in two lagoonal, North Carolina (USA) estuaries. W&M Publish (College of William & Mary). 2017. 1 indexed citations
17.
Chapra, Steven C., Brent Boehlert, Charles Fant, et al.. (2017). Climate Change Impacts on Harmful Algal Blooms in U.S. Freshwaters: A Screening-Level Assessment. Environmental Science & Technology. 51(16). 8933–8943. 261 indexed citations breakdown →
18.
Kennish, Michael J. & Hans W. Paerl. (2010). Coastal lagoons: Critical habitats of environmental change. CRC Press eBooks. 1–15. 129 indexed citations
19.
Niemi, Gerald J., Denice H. Wardrop, Robert P. Brooks, et al.. (2004). Rationale for a New Generation of Indicators for Coastal Waters. Environmental Health Perspectives. 112(9). 979–986. 117 indexed citations
20.
Paerl, Hans W. & David R. Whitall. (1999). Anthropogenically-derived atmospheric nitrogen deposition, marine eutrophication and harmful algal bloom expansion: Is there a link ?. AMBIO. 28(4). 307–311. 104 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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