Citation Rankings
Highly Cited Researchers

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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 IndexUniversities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025

* Total Citation Counts Rankings
Ranking Based On Selection :1
Canada
R Kerry Rowe
Geoenvironmental Engineering
Geosynthetics
Mining
Tunnelling
Soil Mechanics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,161
11,622
0.361
* Total Citation Counts Rankings
Ranking Based On Selection :2
Canada
M Diederichs
Rock Mechanics and Rock Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,018
8,373
0.523
* Total Citation Counts Rankings
Ranking Based On Selection :3
Canada
Guy M Narbonne
paleontology
sedimentology
geochemistry
stratigraphy
geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,914
4,263
0.286
* Total Citation Counts Rankings
Ranking Based On Selection :4
Canada
Kurt Kyser
Geochemistry of the geosphere-biosphere interface
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,733
3,994
0.340
* Total Citation Counts Rankings
Ranking Based On Selection :5
Canada
Andy Take
Geotechnical Engineering
Geoenvironmental Engineering
Digital Image Correlation
Landslides
Geosynthetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,780
4,907
0.502
* Total Citation Counts Rankings
Ranking Based On Selection :6
Canada
Christopher J Spencer
Geochronology
Crustal Evolution
Tectonochemistry
Orogenesis
Uniformitarianism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,878
4,916
0.836
* Total Citation Counts Rankings
Ranking Based On Selection :7
Canada
Matthew Leybourne
Geochemistry
isotope geochemistry
analytical geochemistry
ore deposits
mineral exploration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,635
2,590
0.460
* Total Citation Counts Rankings
Ranking Based On Selection :8
Canada
Laurent Godin
Structural geology
tectonics
Himalaya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,185
2,131
0.411
* Total Citation Counts Rankings
Ranking Based On Selection :9
Canada
D Jean Hutchinson
Geomechanics
rock slope stability
rock engineering
risk assessment and management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,077
2,192
0.538
* Total Citation Counts Rankings
Ranking Based On Selection :10
Canada
Melissa Lafreniere
permafrost hydrology
watershed biogeochemistry
permafrost carbon
nutrients
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,722
1,407
0.517
* Total Citation Counts Rankings
Ranking Based On Selection :11
Canada
Georgia Fotopoulos
Geomatics Engineering
Geodesy
Navigation
Remote Sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,881
848
0.451
* Total Citation Counts Rankings
Ranking Based On Selection :12
Canada
Julián Ortiz
Geostatistics
Geometallurgy
Mining Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,880
1,067
0.568
* Total Citation Counts Rankings
Ranking Based On Selection :13
Canada
Georgia Fotopoulos
geodesy
geomatics
geosciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,631
690
0.423
* Total Citation Counts Rankings
Ranking Based On Selection :14
Canada
Herb Helmstaedt
Structural Geology
Tectonics
Mineral Deposits
Upper Mantle Studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,418
184
0.130
* Total Citation Counts Rankings
Ranking Based On Selection :15
Canada
Bas Vriens
Environmental Geochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,361
1,144
0.841
* Total Citation Counts Rankings
Ranking Based On Selection :16
Canada
Carsten Meyer Jacob
Paleolimnology
Carbon Cycling
Environmental Change
Biogeochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,261
853
0.676
* Total Citation Counts Rankings
Ranking Based On Selection :17
Canada
Dave Gauthier
Geological Engineering
rock fall
landslide
avalanche
risk
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
975
455
0.467
* Total Citation Counts Rankings
Ranking Based On Selection :18
Canada
Fady B Abdelaal
Geotechnical Engineering
Geoenviromental Engineering
Geomembrane Liners
Polyethylene
Geosynthetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
709
485
0.684
* Total Citation Counts Rankings
Ranking Based On Selection :19
Canada
Hom Nath Gharti
Computational geomechanics
seismology
microearthquakes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
539
344
0.638
* Total Citation Counts Rankings
Ranking Based On Selection :20
Canada
Jennifer J Day
rock mechanics
geomechanics
rock engineering
engineering geology
geohazards
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
290
242
0.834
* Total Citation Counts Rankings
Ranking Based On Selection :21
Canada
Alexandre Voinot
geochemistry
geology
isotopes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
257
233
0.907
* Total Citation Counts Rankings
Ranking Based On Selection :22
Canada
Ruqaiya Yousif
Geology
Remote sensing
modeling
geochemistry and carbonate
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
210
183
0.871
* Total Citation Counts Rankings
Ranking Based On Selection :23
Canada
Callum A Walter
Near Surface Geophysics
Potential Field Methods
Remotely Piloted Aircraft Systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
190
190
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :24
Canada
Van Thien Mai
Geotechnical
buried pipe
deteriorated steel culverts
soil pipe interaction
finite element analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
190
129
0.679
* Total Citation Counts Rankings
Ranking Based On Selection :25
Canada
Elizabeth Phillips
Compound-specific isotope analysis
contaminant hydrogeology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
182
181
0.995
* Total Citation Counts Rankings
Rankings
19,381
Canada
798
22
Ranking Based On Selection: 1
R Kerry Rowe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,161
11,622
0.361
Geoenvironmental Engineering
Geosynthetics
Mining
Tunnelling
Soil Mechanics
* Total Citation Counts Rankings
Rankings
53,137
Canada
2,325
53
Ranking Based On Selection: 2
M Diederichs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,018
8,373
0.523
* Total Citation Counts Rankings
Rankings
58,434
Canada
2,585
59
Ranking Based On Selection: 3
Guy M Narbonne
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,914
4,263
0.286
paleontology
sedimentology
geochemistry
stratigraphy
geology
* Total Citation Counts Rankings
Rankings
79,203
Canada
3,517
90
Ranking Based On Selection: 4
Kurt Kyser
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,733
3,994
0.340
Geochemistry of the geosphere-biosphere interface
* Total Citation Counts Rankings
Rankings
98,272
Canada
4,426
109
Ranking Based On Selection: 5
Andy Take
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,780
4,907
0.502
Geotechnical Engineering
Geoenvironmental Engineering
Digital Image Correlation
Landslides
Geosynthetics
* Total Citation Counts Rankings
Rankings
170,374
Canada
7,435
180
Ranking Based On Selection: 6
Christopher J Spencer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,878
4,916
0.836
Geochronology
Crustal Evolution
Tectonochemistry
Orogenesis
Uniformitarianism
* Total Citation Counts Rankings
Rankings
177,667
Canada
7,713
185
Ranking Based On Selection: 7
Matthew Leybourne
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,635
2,590
0.460
Geochemistry
isotope geochemistry
analytical geochemistry
ore deposits
mineral exploration
* Total Citation Counts Rankings
Rankings
192,561
Canada
8,292
203
Ranking Based On Selection: 8
Laurent Godin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,185
2,131
0.411
* Total Citation Counts Rankings
Rankings
241,630
Canada
10,279
255
Ranking Based On Selection: 9
D Jean Hutchinson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,077
2,192
0.538
Geomechanics
rock slope stability
rock engineering
risk assessment and management
* Total Citation Counts Rankings
Rankings
340,827
Canada
13,849
330
Ranking Based On Selection: 10
Melissa Lafreniere
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,722
1,407
0.517
permafrost hydrology
watershed biogeochemistry
permafrost carbon
nutrients
* Total Citation Counts Rankings
Rankings
449,993
Canada
17,305
401
Ranking Based On Selection: 11
Georgia Fotopoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,881
848
0.451
Geomatics Engineering
Geodesy
Navigation
Remote Sensing
* Total Citation Counts Rankings
Rankings
450,128
Canada
17,308
402
Ranking Based On Selection: 12
Julián Ortiz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,880
1,067
0.568
Geostatistics
Geometallurgy
Mining Engineering
* Total Citation Counts Rankings
Rankings
496,207
Canada
18,695
434
Ranking Based On Selection: 13
Georgia Fotopoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,631
690
0.423
* Total Citation Counts Rankings
Rankings
543,364
Canada
20,096
465
Ranking Based On Selection: 14
Herb Helmstaedt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,418
184
0.130
Structural Geology
Tectonics
Mineral Deposits
Upper Mantle Studies
* Total Citation Counts Rankings
Rankings
557,219
Canada
20,477
473
Ranking Based On Selection: 15
Bas Vriens
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,361
1,144
0.841
* Total Citation Counts Rankings
Rankings
583,922
Canada
21,287
494
Ranking Based On Selection: 16
Carsten Meyer Jacob
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,261
853
0.676
Paleolimnology
Carbon Cycling
Environmental Change
Biogeochemistry
* Total Citation Counts Rankings
Rankings
675,425
Canada
23,840
539
Ranking Based On Selection: 17
Dave Gauthier
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
975
455
0.467
Geological Engineering
rock fall
landslide
avalanche
risk
* Total Citation Counts Rankings
Rankings
788,141
Canada
26,798
587
Ranking Based On Selection: 18
Fady B Abdelaal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
709
485
0.684
Geotechnical Engineering
Geoenviromental Engineering
Geomembrane Liners
Polyethylene
Geosynthetics
* Total Citation Counts Rankings
Rankings
877,770
Canada
28,880
633
Ranking Based On Selection: 19
Hom Nath Gharti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
539
344
0.638
Computational geomechanics
seismology
microearthquakes
* Total Citation Counts Rankings
Rankings
1,118,080
Canada
35,334
704
Ranking Based On Selection: 20
Jennifer J Day
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
290
242
0.834
rock mechanics
geomechanics
rock engineering
engineering geology
geohazards
* Total Citation Counts Rankings
Rankings
1,167,417
Canada
36,631
723
Ranking Based On Selection: 21
Alexandre Voinot
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
257
233
0.907
* Total Citation Counts Rankings
Rankings
1,251,337
Canada
38,752
766
Ranking Based On Selection: 22
Ruqaiya Yousif
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
210
183
0.871
Geology
Remote sensing
modeling
geochemistry and carbonate
* Total Citation Counts Rankings
Rankings
1,292,333
Canada
39,781
790
Ranking Based On Selection: 23
Callum A Walter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
190
190
1.000
Near Surface Geophysics
Potential Field Methods
Remotely Piloted Aircraft Systems
* Total Citation Counts Rankings
Rankings
1,293,654
Canada
39,822
791
Ranking Based On Selection: 24
Van Thien Mai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
190
129
0.679
Geotechnical
buried pipe
deteriorated steel culverts
soil pipe interaction
finite element analysis
* Total Citation Counts Rankings
Rankings
1,310,579
Canada
40,281
801
Ranking Based On Selection: 25
Elizabeth Phillips
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
182
181
0.995
Compound-specific isotope analysis
contaminant hydrogeology