The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection :1
evolution
genomics
population genetics
ancient DNA
environmental DNA
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,047
42,206
0.562
* Total Citation Counts Rankings
Ranking Based On Selection :2
oxygen
evolution
oceanography
geobiology
biogeochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,741
23,281
0.371
* Total Citation Counts Rankings
Ranking Based On Selection :3
lake
lake restoration
biogeochemistry
Water Framework Directive
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,470
12,341
0.380
* Total Citation Counts Rankings
Ranking Based On Selection :4
biogeochemistry
microbial ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,540
9,784
0.355
* Total Citation Counts Rankings
Ranking Based On Selection :5
Observational Cosmology
Galaxy Evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,033
12,835
0.534
* Total Citation Counts Rankings
Ranking Based On Selection :6
Greenland ice climate interactions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,456
9,868
0.507
* Total Citation Counts Rankings
Ranking Based On Selection :7
groundwater geochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,108
5,800
0.304
* Total Citation Counts Rankings
Ranking Based On Selection :8
Water Resources
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,862
6,737
0.357
* Total Citation Counts Rankings
Ranking Based On Selection :9
geochemistry
climate research
non traditional stable isotopes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,626
8,348
0.448
* Total Citation Counts Rankings
Ranking Based On Selection :10
Geophysics
Geomagnetism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,566
6,911
0.444
* Total Citation Counts Rankings
Ranking Based On Selection :11
Geophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,330
6,188
0.502
* Total Citation Counts Rankings
Ranking Based On Selection :12
bioelectricity
biogeochemistry
microbial ecology
stable isotopes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,151
4,380
0.360
* Total Citation Counts Rankings
Ranking Based On Selection :13
Geochronology
Noble gases
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,647
3,257
0.306
* Total Citation Counts Rankings
Ranking Based On Selection :14
Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,630
4,260
0.442
* Total Citation Counts Rankings
Ranking Based On Selection :15
Geochronology
meteoritics
early Solar System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,531
3,823
0.401
* Total Citation Counts Rankings
Ranking Based On Selection :16
Planetary Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,498
4,409
0.464
* Total Citation Counts Rankings
Ranking Based On Selection :17
Quaternary geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,435
2,904
0.308
* Total Citation Counts Rankings
Ranking Based On Selection :18
geochemistry
nanotechniques
natural materials science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,286
3,906
0.421
* Total Citation Counts Rankings
Ranking Based On Selection :19
Geophysics
Geomagnetism
Earth's core
Inverse Problems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,013
5,631
0.625
* Total Citation Counts Rankings
Ranking Based On Selection :20
remote sensing of vegetation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,026
7,289
0.908
* Total Citation Counts Rankings
Ranking Based On Selection :21
Ecosystem modelling
Earth system modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,324
4,458
0.609
* Total Citation Counts Rankings
Ranking Based On Selection :22
geochemistry groundwater
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,764
2,561
0.379
* Total Citation Counts Rankings
Ranking Based On Selection :23
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,386
5,072
0.794
* Total Citation Counts Rankings
Ranking Based On Selection :24
Cohesive sediment
microplastic
coastal wetlands
Arctic fjords
geochronology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,299
2,985
0.474
* Total Citation Counts Rankings
Ranking Based On Selection :25
Evolution
Ecology
Island Biogeography
Genomic Evolution
Bioinfornatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,760
4,596
0.798
Eske Willerslev
University of Copenhagen
Copenhagen, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,047
42,206
0.562
evolution
genomics
population genetics
ancient DNA
environmental DNA
Donald E Canfield
University of Southern Denmark
Tianjin, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,741
23,281
0.371
oxygen
evolution
oceanography
geobiology
biogeochemistry
Martin Søndergaard
Aarhus University
Aarhus, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,470
12,341
0.380
lake
lake restoration
biogeochemistry
Water Framework Directive
Bo Thamdrup
University of Southern Denmark
Tianjin, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,540
9,784
0.355
biogeochemistry
microbial ecology
Georgios E Magdis
Technical University of Denmark
Kongens Lyngby, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,033
12,835
0.534
Observational Cosmology
Galaxy Evolution
Jason E. Box
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,456
9,868
0.507
Greenland ice climate interactions
Dieke Postma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,108
5,800
0.304
Jens Christian Refsgaard
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,862
6,737
0.357
Robert Frei
University of Copenhagen
Copenhagen, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,626
8,348
0.448
geochemistry
climate research
non traditional stable isotopes
Nils Olsen
Technical University of Denmark
Kongens Lyngby, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,566
6,911
0.444
Esben Auken
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,330
6,188
0.502
Nils Risgaard Petersen
Aarhus University
Aarhus, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,151
4,380
0.360
bioelectricity
biogeochemistry
microbial ecology
stable isotopes
Michael Storey
University of Copenhagen
Copenhagen, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,647
3,257
0.306
Christoph Korte
University of Copenhagen
Copenhagen, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,630
4,260
0.442
James N Connelly
University of Copenhagen
Copenhagen, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,531
3,823
0.401
Geochronology
meteoritics
early Solar System
Kjartan Kinch
University of Copenhagen
Copenhagen, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,498
4,409
0.464
Ole Bennike
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,435
2,904
0.308
Susan Louise Svane Stipp
University of Copenhagen
Copenhagen, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,286
3,906
0.421
geochemistry
nanotechniques
natural materials science
Christopher Finlay
Technical University of Denmark
Kongens Lyngby, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,013
5,631
0.625
Geophysics
Geomagnetism
Earth's core
Inverse Problems
Martin Brandt
University of Copenhagen
Copenhagen, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,026
7,289
0.908
remote sensing of vegetation
Guy Schurgers
University of Copenhagen
Copenhagen, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,324
4,458
0.609
Ecosystem modelling
Earth system modelling
Rasmus Jakobsen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,764
2,561
0.379
Kristian K. Kjeldsen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,386
5,072
0.794
Thorbjørn Joest Andersen
University of Copenhagen
Copenhagen, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,299
2,985
0.474
Cohesive sediment
microplastic
coastal wetlands
Arctic fjords
geochronology
Maria Novosolov
University of Copenhagen
Copenhagen, Denmark
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,760
4,596
0.798
Evolution
Ecology
Island Biogeography
Genomic Evolution
Bioinfornatics