Citation Rankings
Highly Cited Researchers

Engineering & Technology Highly Cited Researchers 10.837 Scientists Citation Rankings - 2026

Citation Rankings highlight the world’s Highly Cited Researchers based on total and recent 5-year citation counts. These rankings reveal how widely and consistently a researcher’s work is cited, reflecting their level of scientific influence. Data is analyzed using near real-time metrics, with special attention to unethical practices and manipulative behaviors. To ensure transparency and data integrity, the reporting of potential violations is actively encouraged. Comparative analysis is available across 13 main fields and 221 academic disciplines. This ranking is unique to the AD Scientific Index.

Country

Total 10.837 scientists

List without CERN, Statistical Data etc

Sort by last 5 years Citation Index

* Total Citation Counts Rankings

Rankings

1,772

World Rank

Country Rank

University

Ranking Based On Selection:

Paul J Harrison

University of British Columbia Vancouver, Canada

Engineering & Technology / Marine Sciences and Engineering
Biological Oceanography | nutrients | phytoplankto

Citation Metrics

Total

144,310
Last 5 Years

57,949
Last 5 Years / Total

0.402

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* Total Citation Counts Rankings

Rankings

2,496

World Rank

197

Country Rank

University

Ranking Based On Selection:

Richard Thompson

University of Plymouth Plymouth, United Kingdom

Engineering & Technology / Marine Sciences and Engineering
Microplastics | ecology of coastal defences | marine ecology | marine pollutio

Citation Metrics

Total

121,254
Last 5 Years

86,031
Last 5 Years / Total

0.710

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* Total Citation Counts Rankings

Rankings

3,044

World Rank

Country Rank

University

Ranking Based On Selection:

Jaap Sinninghe Damste

Royal Netherlands Institute for Sea Research Horntje, Netherlands

Engineering & Technology / Marine Sciences and Engineering
organic geochemistry | microbial ecology | chemical oceanography | biogeochemistry | limnolog

Citation Metrics

Total

109,000
Last 5 Years

35,875
Last 5 Years / Total

0.329

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* Total Citation Counts Rankings

Rankings

3,856

World Rank

218

Country Rank

University

Ranking Based On Selection:

Letizia Lusito

Università del Salento Lecce, Italy

Engineering & Technology / Marine Sciences and Engineering
Hydrological Modelling | Climate analysis | Statistics | Programming | Oceanograph

Citation Metrics

Total

96,281
Last 5 Years

21,729
Last 5 Years / Total

0.226

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* Total Citation Counts Rankings

Rankings

4,432

World Rank

2,085

Country Rank

University

Ranking Based On Selection:

Richard Feely

National Oceanic and Atmospheric Administration (NOAA) , United States

Engineering & Technology / Marine Sciences and Engineering
Chemical Oceanographer Carbon Cycle Ocean Acidiificatio

Citation Metrics

Total

88,200
Last 5 Years

36,708
Last 5 Years / Total

0.416

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* Total Citation Counts Rankings

Rankings

4,476

World Rank

2,108

Country Rank

University

Ranking Based On Selection:

Benjamin S Halpern

University of California Santa Barbara Santa Barbara, United States

Engineering & Technology / Marine Sciences and Engineering
Marine ecology | conservation biolog

Citation Metrics

Total

87,634
Last 5 Years

43,106
Last 5 Years / Total

0.492

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* Total Citation Counts Rankings

Rankings

4,940

World Rank

2,323

Country Rank

University

Ranking Based On Selection:

Veerabhadran Ramanathan

University of California San Diego San Diego, United States

Engineering & Technology / Marine Sciences and Engineering
Environment | Climate Change | Ecolog

Citation Metrics

Total

82,898
Last 5 Years

30,386
Last 5 Years / Total

0.367

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* Total Citation Counts Rankings

Rankings

5,142

World Rank

2,418

Country Rank

University

Ranking Based On Selection:

Frank Millero

University of Miami Coral Gables, United States

Engineering & Technology / Marine Sciences and Engineering
Physical Chemistry of Natural Waters | Chemical Oceanography | Marine Chemistr

Citation Metrics

Total

81,088
Last 5 Years

19,723
Last 5 Years / Total

0.243

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* Total Citation Counts Rankings

Rankings

5,150

World Rank

2,423

Country Rank

University

Ranking Based On Selection:

David Karl

University of Hawaii System Honolulu, United States

Engineering & Technology / Marine Sciences and Engineering
microbiology | oceanography | earth sciences | biogeochemistr

Citation Metrics

Total

81,048
Last 5 Years

27,081
Last 5 Years / Total

0.334

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* Total Citation Counts Rankings

Rankings

5,630

World Rank

231

Country Rank

University

Ranking Based On Selection:

NL Bindoff

University of Tasmania Hobart, Australia

Engineering & Technology / Marine Sciences and Engineering
Oceanography | Physical Oceanography | Climate Chang

Citation Metrics

Total

76,963
Last 5 Years

32,932
Last 5 Years / Total

0.428

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* Total Citation Counts Rankings

Rankings

6,207

World Rank

Country Rank

University

Ranking Based On Selection:

Bo Barker Jørgensen

Aarhus University Aarhus, Denmark

Engineering & Technology / Marine Sciences and Engineering
Marine biogeochemistr

Citation Metrics

Total

72,451
Last 5 Years

18,896
Last 5 Years / Total

0.261

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* Total Citation Counts Rankings

Rankings

6,283

World Rank

534

Country Rank

University

Ranking Based On Selection:

PJ Reimer

Queen's University Belfast Belfast, United Kingdom

Engineering & Technology / Marine Sciences and Engineering
Radiocarbon dating and calibration | marine and freshwater reservoir corrections | carbon cyclin

Citation Metrics

Total

71,950
Last 5 Years

23,839
Last 5 Years / Total

0.331

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* Total Citation Counts Rankings

Rankings

6,398

World Rank

185

Country Rank

University

Ranking Based On Selection:

Yang Liu

Dalian Maritime University Dalian, China

Engineering & Technology / Marine Sciences and Engineering
Molucular biolog

Citation Metrics

Total

71,185
Last 5 Years

37,238
Last 5 Years / Total

0.523

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* Total Citation Counts Rankings

Rankings

6,462

World Rank

Country Rank

University

Ranking Based On Selection:

Katherine Richardson

University of Copenhagen Copenhagen, Denmark

Engineering & Technology / Marine Sciences and Engineering
plankton ecosystems | carbon cycling in the ocean | Earth System scienc

Citation Metrics

Total

70,792
Last 5 Years

40,566
Last 5 Years / Total

0.573

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* Total Citation Counts Rankings

Rankings

6,712

World Rank

570

Country Rank

University

Ranking Based On Selection:

Valerie J Smith

University of Saint Andrews St Andrews, United Kingdom

Engineering & Technology / Marine Sciences and Engineering
comparative immunology | fish immunology | marine microbiology | marine biotechnology | SOI-USTA

Citation Metrics

Total

69,700
Last 5 Years

31,277
Last 5 Years / Total

0.449

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* Total Citation Counts Rankings

Rankings

7,206

World Rank

3,377

Country Rank

University

Ranking Based On Selection:

Shang Ping Xie

University of California San Diego San Diego, United States

Engineering & Technology / Marine Sciences and Engineering
Climate change | climate variability | climate modeling | ocean-atmospheric dynamic

Citation Metrics

Total

66,056
Last 5 Years

32,121
Last 5 Years / Total

0.486

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* Total Citation Counts Rankings

Rankings

7,307

World Rank

296

Country Rank

University

Ranking Based On Selection:

Jochem Marotzke

Max Planck Institute for Meteorology Hamburg, Germany

Engineering & Technology / Marine Sciences and Engineering
Climate Dynamics | Physical Oceanograph

Citation Metrics

Total

65,482
Last 5 Years

32,633
Last 5 Years / Total

0.498

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* Total Citation Counts Rankings

Rankings

7,315

World Rank

3,428

Country Rank

University

Ranking Based On Selection:

Jeremy BC Jackson

American Museum of Natural History New York, United States

Engineering & Technology / Marine Sciences and Engineering
marine ecology | paleobiology | and conservatio

Citation Metrics

Total

65,447
Last 5 Years

17,499
Last 5 Years / Total

0.267

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* Total Citation Counts Rankings

Rankings

7,339

World Rank

611

Country Rank

University

Ranking Based On Selection:

Robert J Nicholls

University of East Anglia Norwich, United Kingdom

Engineering & Technology / Marine Sciences and Engineering
Coastal Systems | Climate Change | Risks | Adaptation | Integrated Assessmen

Citation Metrics

Total

65,294
Last 5 Years

30,352
Last 5 Years / Total

0.465

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* Total Citation Counts Rankings

Rankings

7,650

World Rank

289

Country Rank

University

Ranking Based On Selection:

William Cheung

University of British Columbia Vancouver, Canada

Engineering & Technology / Marine Sciences and Engineering
Global Change | Marine biodiversity | Fisheries | Conservation Biology | Climate Chang

Citation Metrics

Total

63,668
Last 5 Years

45,054
Last 5 Years / Total

0.708

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* Total Citation Counts Rankings

Rankings

7,672

World Rank

3,601

Country Rank

University

Ranking Based On Selection:

Edward Francis Delong

University of Hawaii System Honolulu, United States

Engineering & Technology / Marine Sciences and Engineering
microbiology | microbial genomics | microbial ecology | marine microbiology | microbial oceanograph