Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
38,828
Country Rank
117
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![EJM (John) Carranza](https://cdn.adscientificindex.com/pictures/db/96712.jpg)
Economic Geology
Mineral Prospectivity Mapping
Exploration Geochemistry
Geological Remote Sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,227
12,018
0.594
* Total Citation Counts Rankings
World Rank
87,124
Country Rank
302
Institution Rank : 28
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Re Schulze](/user/assets/images/profile/no-profile-photo.png)
hydrology
agriculture
climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,878
2,677
0.246
* Total Citation Counts Rankings
World Rank
264,321
Country Rank
1,137
Institution Rank : 99
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Simon Lorentz](https://cdn.adscientificindex.com/pictures/3a/90738.jpg)
Hydrological processes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,705
1,406
0.379
* Total Citation Counts Rankings
World Rank
332,501
Country Rank
1,490
Institution Rank : 128
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Michele Toucher](https://cdn.adscientificindex.com/pictures/14/93868.jpg)
Hydrology
surface water
land use and climate change impacts on water resources
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,819
1,579
0.560
* Total Citation Counts Rankings
World Rank
336,466
Country Rank
1,515
Institution Rank : 130
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Andrew Green](https://cdn.adscientificindex.com/pictures/f0/103974.jpg)
Marine geology
marine geomorphology
continental shelf stratigraphy
coastal geomorphology
aspiring lottery winner
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,779
1,978
0.712
* Total Citation Counts Rankings
World Rank
605,968
Country Rank
3,043
Institution Rank : 250
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Alistair Clulow](/user/assets/images/profile/no-profile-photo.png)
hydrology
water use
sapflow
evaporation
wetlands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,192
944
0.792
* Total Citation Counts Rankings
World Rank
656,821
Country Rank
3,317
Institution Rank : 268
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Kershani Chetty](/user/assets/images/profile/no-profile-photo.png)
Hydrology
remote sensing
water resources
hydrological modelling flood estimation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,035
565
0.546
* Total Citation Counts Rankings
World Rank
657,755
Country Rank
3,322
Institution Rank : 269
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Jemma Finch](https://cdn.adscientificindex.com/pictures/e6/100036.jpg)
Palaeoecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,032
669
0.648
* Total Citation Counts Rankings
World Rank
876,970
Country Rank
4,666
Institution Rank : 350
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Aneke Frank Ikechukwu](https://cdn.adscientificindex.com/pictures/70/4644223.jpg)
Geotechnics
Geohazard
Geoenvironmental
Sustainable Const. Materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
546
538
0.985
* Total Citation Counts Rankings
World Rank
1,240,831
Country Rank
8,586
Institution Rank : 647
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Nonkululeko Dladla](/user/assets/images/profile/no-profile-photo.png)
Marine geology
sedimentology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
162
123
0.759
* Total Citation Counts Rankings
World Rank
1,273,200
Country Rank
8,969
Institution Rank : 683
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Lauren Hoyer](https://cdn.adscientificindex.com/pictures/cd/4641145.jpg)
Structural Geology
Economic Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
147
136
0.925
* Total Citation Counts Rankings
World Rank
1,312,783
Country Rank
9,410
Institution Rank : 717
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Lauren Pretorius](https://cdn.adscientificindex.com/pictures/13/4641712.jpg)
Marine Geology
Shoreline preservation
Sea level
Sedimentology
Holocene
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
131
108
0.824
* Total Citation Counts Rankings
World Rank
1,774,741
Country Rank
14,126
Institution Rank : 1,094
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Lowanika Victor Tibane](https://cdn.adscientificindex.com/pictures/00/5261943.jpg)
Sedimentology
Geophysics
Geochemistry
Environmental
Economic and Mining Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
27
0.900
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
38,828
![South Africa](/flags/za.png)
117
![](https://cdn.adscientificindex.com/logos/11125.png)
10
EJM (John) Carranza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,227
12,018
0.594
![](https://cdn.adscientificindex.com/logos/11125.png)
Economic Geology
Mineral Prospectivity Mapping
Exploration Geochemistry
Geological Remote Sensing
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
87,124
![South Africa](/flags/za.png)
302
![](https://cdn.adscientificindex.com/logos/11125.png)
28
Re Schulze
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,878
2,677
0.246
![](https://cdn.adscientificindex.com/logos/11125.png)
hydrology
agriculture
climate change
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
264,321
![South Africa](/flags/za.png)
1,137
![](https://cdn.adscientificindex.com/logos/11125.png)
99
Simon Lorentz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,705
1,406
0.379
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
332,501
![South Africa](/flags/za.png)
1,490
![](https://cdn.adscientificindex.com/logos/11125.png)
128
Michele Toucher
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,819
1,579
0.560
![](https://cdn.adscientificindex.com/logos/11125.png)
Hydrology
surface water
land use and climate change impacts on water resources
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
336,466
![South Africa](/flags/za.png)
1,515
![](https://cdn.adscientificindex.com/logos/11125.png)
130
Andrew Green
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,779
1,978
0.712
![](https://cdn.adscientificindex.com/logos/11125.png)
Marine geology
marine geomorphology
continental shelf stratigraphy
coastal geomorphology
aspiring lottery winner
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
605,968
![South Africa](/flags/za.png)
3,043
![](https://cdn.adscientificindex.com/logos/11125.png)
250
Alistair Clulow
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,192
944
0.792
![](https://cdn.adscientificindex.com/logos/11125.png)
hydrology
water use
sapflow
evaporation
wetlands
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
656,821
![South Africa](/flags/za.png)
3,317
![](https://cdn.adscientificindex.com/logos/11125.png)
268
Kershani Chetty
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,035
565
0.546
![](https://cdn.adscientificindex.com/logos/11125.png)
Hydrology
remote sensing
water resources
hydrological modelling flood estimation
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
657,755
![South Africa](/flags/za.png)
3,322
![](https://cdn.adscientificindex.com/logos/11125.png)
269
Jemma Finch
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,032
669
0.648
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
876,970
![South Africa](/flags/za.png)
4,666
![](https://cdn.adscientificindex.com/logos/11125.png)
350
Aneke Frank Ikechukwu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
546
538
0.985
![](https://cdn.adscientificindex.com/logos/11125.png)
Geotechnics
Geohazard
Geoenvironmental
Sustainable Const. Materials
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,240,831
![South Africa](/flags/za.png)
8,586
![](https://cdn.adscientificindex.com/logos/11125.png)
647
Nonkululeko Dladla
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
162
123
0.759
![](https://cdn.adscientificindex.com/logos/11125.png)
Marine geology
sedimentology
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* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,273,200
![South Africa](/flags/za.png)
8,969
![](https://cdn.adscientificindex.com/logos/11125.png)
683
Lauren Hoyer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
147
136
0.925
![](https://cdn.adscientificindex.com/logos/11125.png)
Structural Geology
Economic Geology
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,312,783
![South Africa](/flags/za.png)
9,410
![](https://cdn.adscientificindex.com/logos/11125.png)
717
Lauren Pretorius
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
131
108
0.824
![](https://cdn.adscientificindex.com/logos/11125.png)
Marine Geology
Shoreline preservation
Sea level
Sedimentology
Holocene
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,774,741
![South Africa](/flags/za.png)
14,126
![](https://cdn.adscientificindex.com/logos/11125.png)
1,094
Lowanika Victor Tibane
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
27
0.900
![](https://cdn.adscientificindex.com/logos/11125.png)
Sedimentology
Geophysics
Geochemistry
Environmental
Economic and Mining Geology