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Measures productivity based on the number of papers with at least 10 citationsOnly AD
Citation Rankings
Ranks researchers according to their citation counts- Subject Rankings
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Highlights the most influential 100 scientists by region and disciplineSocial Sciences & HumanitiesNew
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Citation Rankings
Highly Cited ResearchersHighly Cited Researchers 208 Scientists Citation Rankings (Sort by last 6 years Citation Index) - 2025
Citation Rankings highlight the world’s Highly Cited Researchers based on total and recent 6-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.
* Last 6 Years Citation Counts RankingsRankings
6,967World Rank
107Country Rank
1UniversityRanking Based On Selection:1Citation Metrics
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Total64,306
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Last 6 Years29,617
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Last 6 Years / Total0.461
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* Last 6 Years Citation Counts RankingsRankings
13,988World Rank
225Country Rank
2UniversityRanking Based On Selection:2Natural Sciences / Chemical Sciences
Organic trace analysis | Environmental Fate | Biotransformation | Non-target analysiCitation Metrics
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Total32,026
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Last 6 Years18,871
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Last 6 Years / Total0.589
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* Last 6 Years Citation Counts RankingsRankings
18,827World Rank
330Country Rank
3UniversityRanking Based On Selection:3Citation Metrics
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Total29,126
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Last 6 Years15,515
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Last 6 Years / Total0.533
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* Last 6 Years Citation Counts RankingsRankings
19,874World Rank
354Country Rank
4UniversityRanking Based On Selection:4Citation Metrics
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Total28,328
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Last 6 Years14,961
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Last 6 Years / Total0.528
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* Last 6 Years Citation Counts RankingsRankings
20,013World Rank
357Country Rank
5UniversityRanking Based On Selection:5Citation Metrics
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Total20,298
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Last 6 Years14,902
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Last 6 Years / Total0.734
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* Last 6 Years Citation Counts RankingsRankings
24,371World Rank
439Country Rank
6UniversityRanking Based On Selection:6Natural Sciences / Biological Science
adaptive radiation | biodiversity | ecology | evolutionary biology | speciatioCitation Metrics
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Total33,238
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Last 6 Years13,084
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Last 6 Years / Total0.394
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* Last 6 Years Citation Counts RankingsRankings
30,643World Rank
561Country Rank
7UniversityRanking Based On Selection:7Citation Metrics
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Total19,289
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Last 6 Years11,233
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Last 6 Years / Total0.582
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* Last 6 Years Citation Counts RankingsRankings
33,195World Rank
614Country Rank
8UniversityRanking Based On Selection:8Natural Sciences / Chemical Sciences
Analytical Chemistry | Environmental Chemistry | Mass Spectrometry | non-target AnalysiCitation Metrics
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Total21,403
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Last 6 Years10,653
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Last 6 Years / Total0.498
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* Last 6 Years Citation Counts RankingsRankings
35,789World Rank
659Country Rank
9UniversityRanking Based On Selection:9Citation Metrics
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Total15,945
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Last 6 Years10,127
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Last 6 Years / Total0.635
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* Last 6 Years Citation Counts RankingsRankings
38,590World Rank
704Country Rank
10UniversityRanking Based On Selection:10Citation Metrics
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Total17,868
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Last 6 Years9,608
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Last 6 Years / Total0.538
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* Last 6 Years Citation Counts RankingsRankings
44,758World Rank
815Country Rank
11UniversityRanking Based On Selection:11Citation Metrics
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Total17,838
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Last 6 Years8,674
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Last 6 Years / Total0.486
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* Last 6 Years Citation Counts RankingsRankings
45,996World Rank
852Country Rank
12UniversityRanking Based On Selection:12Citation Metrics
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Total20,054
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Last 6 Years8,511
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Last 6 Years / Total0.424
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* Last 6 Years Citation Counts RankingsRankings
48,105World Rank
893Country Rank
14UniversityRanking Based On Selection:13Medical and Health Sciences / Microbiology
Drinking water microbiology | flow cytometry | opportunistic pathogens | building plumbinCitation Metrics
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Total17,147
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Last 6 Years8,239
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Last 6 Years / Total0.480
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* Last 6 Years Citation Counts RankingsRankings
47,804World Rank
885Country Rank
13UniversityRanking Based On Selection:14Engineering & Technology / Environmental Science & Engineering
Environmental Sciences | Water Resources | Groundwater | Hydrogeology | Environmental GeochemistrCitation Metrics
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Total18,043
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Last 6 Years8,275
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Last 6 Years / Total0.459
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* Last 6 Years Citation Counts RankingsRankings
49,606World Rank
921Country Rank
15UniversityRanking Based On Selection:15Natural Sciences / Biological Science
Aquatic Microbial Ecology | Environmental Microbiology | Lakes | Biogeochemistry | Environmental antibiotic resistancCitation Metrics
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Total13,386
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Last 6 Years8,065
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Last 6 Years / Total0.602
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* Last 6 Years Citation Counts RankingsRankings
66,750World Rank
1,193Country Rank
16UniversityRanking Based On Selection:16Citation Metrics
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Total14,236
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Last 6 Years6,520
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Last 6 Years / Total0.458
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* Last 6 Years Citation Counts RankingsRankings
70,018World Rank
1,256Country Rank
17UniversityRanking Based On Selection:17Natural Sciences / Molecular Biology & Genetics
cell biology | ecotoxicology | mechanistic toxicology | systems ecotoxicologCitation Metrics
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Total14,192
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Last 6 Years6,294
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Last 6 Years / Total0.443
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* Last 6 Years Citation Counts RankingsRankings
74,216World Rank
1,327Country Rank
18UniversityRanking Based On Selection:18Citation Metrics
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Total11,272
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Last 6 Years6,030
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Last 6 Years / Total0.535
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* Last 6 Years Citation Counts RankingsRankings
75,092World Rank
1,338Country Rank
19UniversityRanking Based On Selection:19Engineering & Technology / Earth Sciences
trace elements | iron | colloids | biogeochemistry | speciatioCitation Metrics
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Total12,912
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Last 6 Years5,977
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Last 6 Years / Total0.463
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* Last 6 Years Citation Counts RankingsRankings
76,677World Rank
1,364Country Rank
20UniversityRanking Based On Selection:20Natural Sciences / Chemical Sciences
Methane emission and oxidation | organic matter degradation | paleo reconstructionCitation Metrics
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Total15,269
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Last 6 Years5,886
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Last 6 Years / Total0.385
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* Last 6 Years Citation Counts RankingsRankings
82,735World Rank
1,460Country Rank
21UniversityRanking Based On Selection:21Citation Metrics
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Total14,909
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Last 6 Years5,551
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Last 6 Years / Total0.372
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* Last 6 Years Citation Counts RankingsRankings
90,064World Rank
1,572Country Rank
22UniversityRanking Based On Selection:22Others
urban water management | micropollutants | passive samplers | urban wet-weather discharges | illicit drugCitation Metrics
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Total11,480
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Last 6 Years5,196
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Last 6 Years / Total0.453
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* Last 6 Years Citation Counts RankingsRankings
96,971World Rank
1,676Country Rank
23UniversityRanking Based On Selection:23Citation Metrics
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Total9,094
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Last 6 Years4,905
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Last 6 Years / Total0.539
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* Last 6 Years Citation Counts RankingsRankings
97,099World Rank
1,681Country Rank
24UniversityRanking Based On Selection:24Citation Metrics
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Total8,802
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Last 6 Years4,900
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Last 6 Years / Total0.557
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* Last 6 Years Citation Counts RankingsRankings
101,195World Rank
1,752Country Rank
25UniversityRanking Based On Selection:25Citation Metrics
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Total8,026
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Last 6 Years4,743
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Last 6 Years / Total0.591
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