Total 2,424,675 scientists, country 221, and institutions 24,468 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
![Omar G Lizano Rodríguez](https://cdn.adscientificindex.com/pictures/68/658724.jpg)
Oceanografía Física
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
16
0.640
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Celeste Sánchez-Noguera](https://cdn.adscientificindex.com/pictures/90/4500742.jpg)
Ocean acidification
Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
13
0.929
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Paula Marcela Pérez Briceño](https://cdn.adscientificindex.com/pictures/c7/4501580.jpg)
Geography
Carthography
Coastal Management
Hydrometeorological Impacts
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Juan Carlos Azofeifa-Solano](https://cdn.adscientificindex.com/pictures/2e/4525677.jpg)
Underwater Acoustics
Marine Soundscape
Ocean Sound
Marine Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
5
0.833
* Total i10 IndexRankings
Ranking Based On Selection: 5
![María I. Sandoval](https://cdn.adscientificindex.com/pictures/39/4525529.jpg)
Micropaleontology
Radiolarians
Biostratigraphy
Deep marine sediments
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
2
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Felipe Calleja Apéstegui](/user/assets/images/profile/no-profile-photo.png)
coastal engineering
coastal management
remote sensing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Fernando A. Campos-Calderón](https://cdn.adscientificindex.com/pictures/c1/3922281.jpg)
Marine biology
data analysis
resource management
sustainable development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Omar G Lizano Rodríguez
Universidad de Costa Rica
San José, Costa Rica
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
16
0.640
Celeste Sánchez-Noguera
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
13
0.929
Ocean acidification
Ecology
Paula Marcela Pérez Briceño
Universidad de Costa Rica
San José, Costa Rica
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
Geography
Carthography
Coastal Management
Hydrometeorological Impacts
Juan Carlos Azofeifa-Solano
Universidad de Costa Rica
San José, Costa Rica
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
5
0.833
Underwater Acoustics
Marine Soundscape
Ocean Sound
Marine Ecology
María I. Sandoval
Universidad de Costa Rica
San José, Costa Rica
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
2
0.333
Micropaleontology
Radiolarians
Biostratigraphy
Deep marine sediments
Felipe Calleja Apéstegui
Universidad de Costa Rica
San José, Costa Rica
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
coastal engineering
coastal management
remote sensing
Fernando A. Campos-Calderón
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Marine biology
data analysis
resource management
sustainable development