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
127,651
Country Rank
768
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/15668.png)
![Austria](/flags/at.png)
![Pradeep Aggarwal](/user/assets/images/profile/no-profile-photo.png)
Earth Science
Hydrogeology
Isotope Geochemistry
climate science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,773
3,015
0.388
* Total Citation Counts Rankings
World Rank
132,722
Country Rank
786
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/15668.png)
![Austria](/flags/at.png)
![Matt Kilburn](/user/assets/images/profile/no-profile-photo.png)
Nuclear safeguards
Secondary Ion Mass Spectrometry
geochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,504
3,796
0.506
* Total Citation Counts Rankings
World Rank
237,009
Country Rank
1,360
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/15668.png)
![Austria](/flags/at.png)
![Lionel Mabit](https://cdn.adscientificindex.com/pictures/b4/4400078.jpg)
Earth Sciences
Land Degradation
Soil Erosion
Fallout Radionuclides
CSSI
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,180
2,137
0.511
* Total Citation Counts Rankings
World Rank
465,354
Country Rank
2,472
Institution Rank : 36
![](https://cdn.adscientificindex.com/logos/15668.png)
![Austria](/flags/at.png)
![Matsumoto Takuya](https://cdn.adscientificindex.com/pictures/ce/4400897.jpg)
Geochemistry
Isotope Geochemistry
Noble Gas Geochemistry
Hydrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,803
627
0.348
* Total Citation Counts Rankings
World Rank
770,040
Country Rank
3,846
Institution Rank : 54
![](https://cdn.adscientificindex.com/logos/15668.png)
![Austria](/flags/at.png)
![Gary R. Eppich](https://cdn.adscientificindex.com/pictures/3f/4403343.jpg)
Geochemistry
Mass Spectrometry
Nuclear Forensics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
754
408
0.541
* Total Citation Counts Rankings
World Rank
1,121,314
Country Rank
5,333
Institution Rank : 77
![](https://cdn.adscientificindex.com/logos/15668.png)
![Austria](/flags/at.png)
![Lucía Ortega](https://cdn.adscientificindex.com/pictures/e1/5261641.jpg)
Isotope Hydrology
Hydrogeology
Hydrochemistry
hydrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
235
190
0.809
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
127,651
![Austria](/flags/at.png)
768
![](https://cdn.adscientificindex.com/logos/15668.png)
12
Pradeep Aggarwal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,773
3,015
0.388
![](https://cdn.adscientificindex.com/logos/15668.png)
Earth Science
Hydrogeology
Isotope Geochemistry
climate science
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
132,722
![Austria](/flags/at.png)
786
![](https://cdn.adscientificindex.com/logos/15668.png)
13
Matt Kilburn
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,504
3,796
0.506
![](https://cdn.adscientificindex.com/logos/15668.png)
Nuclear safeguards
Secondary Ion Mass Spectrometry
geochemistry
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
237,009
![Austria](/flags/at.png)
1,360
![](https://cdn.adscientificindex.com/logos/15668.png)
22
Lionel Mabit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,180
2,137
0.511
![](https://cdn.adscientificindex.com/logos/15668.png)
Earth Sciences
Land Degradation
Soil Erosion
Fallout Radionuclides
CSSI
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
465,354
![Austria](/flags/at.png)
2,472
![](https://cdn.adscientificindex.com/logos/15668.png)
36
Matsumoto Takuya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,803
627
0.348
![](https://cdn.adscientificindex.com/logos/15668.png)
Geochemistry
Isotope Geochemistry
Noble Gas Geochemistry
Hydrology
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
770,040
![Austria](/flags/at.png)
3,846
![](https://cdn.adscientificindex.com/logos/15668.png)
54
Gary R. Eppich
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
754
408
0.541
![](https://cdn.adscientificindex.com/logos/15668.png)
Geochemistry
Mass Spectrometry
Nuclear Forensics
* Total Citation Counts Rankings
Rankings
![](/assets/images/world-icon.png)
1,121,314
![Austria](/flags/at.png)
5,333
![](https://cdn.adscientificindex.com/logos/15668.png)
77
Lucía Ortega
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
235
190
0.809
![](https://cdn.adscientificindex.com/logos/15668.png)
Isotope Hydrology
Hydrogeology
Hydrochemistry
hydrology