Total 2,403,032 scientists, country 221, and institutions 24,466 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Gottfried Kirchengast](https://cdn.adscientificindex.com/pictures/f4/1398262.jpg)
Atmosphere
Climate
Environment
Space Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
76
0.528
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Douglas Maraun](https://cdn.adscientificindex.com/pictures/87/1397531.jpg)
Weather and climate extremes
regional climate change
climate model evaluation
bias correction
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
66
0.857
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Irena Nimac](/user/assets/images/profile/no-profile-photo.png)
meteorology
climatology
geostatistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Esmail Ghaemi](/user/assets/images/profile/no-profile-photo.png)
hydrometeorology
remote sensing
hydrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Tiago Silva](https://cdn.adscientificindex.com/pictures/91/5287063.jpg)
Polar Meteorology
Boundary Layer Meteorology
Climate
Surface-Atmosphere interaction
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Gottfried Kirchengast
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
76
0.528
Atmosphere
Climate
Environment
Space Sciences
Douglas Maraun
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
66
0.857
Weather and climate extremes
regional climate change
climate model evaluation
bias correction
Irena Nimac
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
meteorology
climatology
geostatistics
Esmail Ghaemi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
hydrometeorology
remote sensing
hydrology
Tiago Silva
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Polar Meteorology
Boundary Layer Meteorology
Climate
Surface-Atmosphere interaction