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
265,355
Country Rank
5,304
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/28937.png)
![India](/flags/in.png)
![Chellappan Gnanaseelan](https://cdn.adscientificindex.com/pictures/e9/4425908.jpg)
Oceanography
Atmospheric Science
Ocean Modelling
Ocean Atmosphere coupled models
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,678
2,537
0.690
* Total Citation Counts Rankings
World Rank
506,564
Country Rank
158,294
Institution Rank : 497
![](https://cdn.adscientificindex.com/logos/15818.png)
![United States](/flags/us.png)
![Ghassan J Alaka, Jr](/pictures/4e/4395985.jpg)
tropical meteorology
hurricanes
African easterly waves
Madden-Julian oscillation
large-scale dynamics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,586
874
0.551
* Total Citation Counts Rankings
World Rank
728,319
Country Rank
214,825
Institution Rank : 666
![](https://cdn.adscientificindex.com/logos/15818.png)
![United States](/flags/us.png)
![Ricardo Martins Campos](/pictures/f8/4389968.jpg)
Artificial Intelligence
Physical Oceanography
Meteorology
Ocean Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
846
686
0.811
* Total Citation Counts Rankings
World Ranking
265,355
Country Ranking
5,304
Institution Ranking
16
Chellappan Gnanaseelan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,678
2,537
0.690
![](https://cdn.adscientificindex.com/logos/28937.png)
Oceanography
Atmospheric Science
Ocean Modelling
Ocean Atmosphere coupled models
* Total Citation Counts Rankings
World Ranking
506,564
Country Ranking
158,294
Institution Ranking
497
Ghassan J Alaka, Jr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,586
874
0.551
![](https://cdn.adscientificindex.com/logos/15818.png)
tropical meteorology
hurricanes
African easterly waves
Madden-Julian oscillation
large-scale dynamics
* Total Citation Counts Rankings
World Ranking
728,319
Country Ranking
214,825
Institution Ranking
666
Ricardo Martins Campos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
846
686
0.811
![](https://cdn.adscientificindex.com/logos/15818.png)
Artificial Intelligence
Physical Oceanography
Meteorology
Ocean Engineering