Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: 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
environmental geochemistry
ecotoxicology
metals
aquatic environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,190
7,613
0.210
* Total Citation Counts Rankings
Ranking Based On Selection :2
Biodiesel
Bioplastics
Biopolymers
Biopesticides
Value added products
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,603
14,605
0.477
* Total Citation Counts Rankings
Ranking Based On Selection :3
hydrology
climatology
statistics
environmental modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,889
9,179
0.462
* Total Citation Counts Rankings
Ranking Based On Selection :4
Décontamination
assainissement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,896
5,065
0.426
* Total Citation Counts Rankings
Ranking Based On Selection :5
sols contaminés
séquestration du CO2
carbonatation minérale
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,785
3,812
0.434
* Total Citation Counts Rankings
Ranking Based On Selection :6
Arctique
gaz à effet de serre
écologie microbienne
biotique
fleurs d'eau de cyanobactéries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,563
4,202
0.491
* Total Citation Counts Rankings
Ranking Based On Selection :7
Limnogeology
Paleoclimatology
Sedimentology
Climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,264
4,023
0.487
* Total Citation Counts Rankings
Ranking Based On Selection :8
Hydrology
modelling
temperature
sediments
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,480
3,843
0.514
* Total Citation Counts Rankings
Ranking Based On Selection :9
géochimie aquatique
océanographie
limnologie
diagénèse précoce
chemical contamination
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,081
1,698
0.240
* Total Citation Counts Rankings
Ranking Based On Selection :10
Hydrogeology
Groundwater
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,415
2,452
0.382
* Total Citation Counts Rankings
Ranking Based On Selection :11
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,410
2,436
0.380
* Total Citation Counts Rankings
Ranking Based On Selection :12
Hydrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,112
2,602
0.509
* Total Citation Counts Rankings
Ranking Based On Selection :13
metals
algae
bioavailability
speciation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,687
2,050
0.437
* Total Citation Counts Rankings
Ranking Based On Selection :14
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,936
3,640
0.925
* Total Citation Counts Rankings
Ranking Based On Selection :15
Structural Geology
tectonics
geophysics
analogue modelling
mineral exploration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,780
1,264
0.334
* Total Citation Counts Rankings
Ranking Based On Selection :16
Bioprocess
biovalorization
bioremediation
watersciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,424
2,031
0.593
* Total Citation Counts Rankings
Ranking Based On Selection :17
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,391
1,411
0.416
* Total Citation Counts Rankings
Ranking Based On Selection :18
biotechnology
nanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,486
2,305
0.927
* Total Citation Counts Rankings
Ranking Based On Selection :19
Geothermal Energy
Hydrogeology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,355
1,575
0.669
* Total Citation Counts Rankings
Ranking Based On Selection :20
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,240
762
0.340
* Total Citation Counts Rankings
Ranking Based On Selection :21
remote sensing
environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,047
1,236
0.604
* Total Citation Counts Rankings
Ranking Based On Selection :22
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,940
1,087
0.560
* Total Citation Counts Rankings
Ranking Based On Selection :23
Environnement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,835
1,044
0.569
* Total Citation Counts Rankings
Ranking Based On Selection :24
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,240
1,191
0.960
* Total Citation Counts Rankings
Ranking Based On Selection :25
Coastal Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,119
1,008
0.901
Peter GC Campbell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,190
7,613
0.210
environmental geochemistry
ecotoxicology
metals
aquatic environment
RD Tyagi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,603
14,605
0.477
Biodiesel
Bioplastics
Biopolymers
Biopesticides
Value added products
Taha Bmj Ouarda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,889
9,179
0.462
hydrology
climatology
statistics
environmental modeling
JF Blais
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,896
5,065
0.426
Guy Mercier
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,785
3,812
0.434
Isabelle Laurion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,563
4,202
0.491
Arctique
gaz à effet de serre
écologie microbienne
biotique
fleurs d'eau de cyanobactéries
Pierre Francus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,264
4,023
0.487
Limnogeology
Paleoclimatology
Sedimentology
Climate change
André ST Hilaire
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,480
3,843
0.514
Hydrology
modelling
temperature
sediments
Charles Gobeil
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,081
1,698
0.240
géochimie aquatique
océanographie
limnologie
diagénèse précoce
chemical contamination
Rene Lefebvre
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,415
2,452
0.382
Claudio Paniconi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,410
2,436
0.380
Alain N Rousseau
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,112
2,602
0.509
Claude Fortin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,687
2,050
0.437
metals
algae
bioavailability
speciation
Tarek Rouissi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,936
3,640
0.925
Lyal B Harris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,780
1,264
0.334
Structural Geology
tectonics
geophysics
analogue modelling
mineral exploration
Saurabh Kumar Ram
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,424
2,031
0.593
Normand ÉMile Bergeron
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,391
1,411
0.416
Mitra Naghdi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,486
2,305
0.927
Jasmin Raymond
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,355
1,575
0.669
Geothermal Energy
Hydrogeology
Mario Bergeron
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,240
762
0.340
Karem Chokmani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,047
1,236
0.604
remote sensing
environment
Sophie Duchesne
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,940
1,087
0.560
Ahmad Dirany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,835
1,044
0.569
Gayatri Suresh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,240
1,191
0.960
Jacob Stolle
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,119
1,008
0.901