Total 2,403,032 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
![Jules Van Lier](https://cdn.adscientificindex.com/pictures/29/4348644.jpg)
Environmental Engineering
Wastewater Treatment
Anaerobic Treatment Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
274
196
0.715
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Robbert Kleerebezem](https://cdn.adscientificindex.com/pictures/57/4350116.jpg)
microbial ecology
environmental engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
183
157
0.858
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Ming Yang](https://cdn.adscientificindex.com/pictures/34/4349382.jpg)
Resilience and Process Safety
Dynamic Risk Assessment
Offshore Safety
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
79
75
0.949
* Total i10 IndexRankings
Ranking Based On Selection: 4
![David A. Vermaas](https://cdn.adscientificindex.com/pictures/44/4347521.jpg)
Renewable energy
membrane technology
electrochemistry
environmental science
mass transport
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
53
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Stefan Pfenninger|Stefan Pfenninger-Lee](https://cdn.adscientificindex.com/pictures/ee/4350572.jpg)
Energy systems
Environmental science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
48
0.980
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Amineh Ghorbani](https://cdn.adscientificindex.com/pictures/5f/4346911.jpg)
institutional modelling
institutional network analysis
climate change
social simulation
community action
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
34
0.810
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Thomas Frederikse](/user/assets/images/profile/no-profile-photo.png)
Sea level rise
sea level
climate change
geodesy
soil water content
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
35
0.972
* Total i10 IndexRankings
Ranking Based On Selection: 8
![William T Ball](https://cdn.adscientificindex.com/pictures/c8/4350949.jpg)
Air quality
Climate
Ozone
Statistical methods
Remote Sensing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
27
0.818
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Elif Ozcan](https://cdn.adscientificindex.com/pictures/4d/4347710.jpg)
product design
sound design
product sounds
environmental sounds
conceptual design
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
20
0.606
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Arjen Meijer](/user/assets/images/profile/no-profile-photo.png)
environmental sciences
life cycle assessment
sustainable building
circular built environment
circular building
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
17
0.739
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
* Total i10 IndexRankings
Ranking Based On Selection: 11
![Poonam Taneja](https://cdn.adscientificindex.com/pictures/16/4349925.jpg)
Uncertainty & Flexibility
Port Planning
Sustainability
Climate Change
Transport and logistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
14
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Ludovic Jourdin](/user/assets/images/profile/no-profile-photo.png)
Environmental technology
biotechnology
bioelectrochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Yawei Chen](https://cdn.adscientificindex.com/pictures/56/4351063.jpg)
Urban China Studies
governance
mega (flagship) projects
urban resilience
climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
11
0.688
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Devanita Ghosh](https://cdn.adscientificindex.com/pictures/10/4347571.jpg)
Biogeochemistry
Microbial Ecology
Environmental Engineering
Water Quality
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Luciano Raso](https://cdn.adscientificindex.com/pictures/3e/4348944.jpg)
Water Resources Management
Optimal Reservoir Operation
Stochastic Hydrology
Adaptation to Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Marjolein Pijpers-Van Esch](https://cdn.adscientificindex.com/pictures/bb/4349133.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Qiong Chen](/user/assets/images/profile/no-profile-photo.png)
Chemistry
Industrial Ecology
Environmental Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Ali Elahinik](https://cdn.adscientificindex.com/pictures/21/5368808.jpg)
Aerobic Granular Sludge
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Jules Van Lier
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
274
196
0.715
Environmental Engineering
Wastewater Treatment
Anaerobic Treatment Technology
Robbert Kleerebezem
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
183
157
0.858
microbial ecology
environmental engineering
Ming Yang
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
79
75
0.949
Resilience and Process Safety
Dynamic Risk Assessment
Offshore Safety
David A. Vermaas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
53
1.000
Renewable energy
membrane technology
electrochemistry
environmental science
mass transport
Stefan Pfenninger|Stefan Pfenninger-Lee
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
48
0.980
Energy systems
Environmental science
Amineh Ghorbani
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
34
0.810
institutional modelling
institutional network analysis
climate change
social simulation
community action
Thomas Frederikse
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
35
0.972
Sea level rise
sea level
climate change
geodesy
soil water content
William T Ball
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
27
0.818
Air quality
Climate
Ozone
Statistical methods
Remote Sensing
Elif Ozcan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
20
0.606
product design
sound design
product sounds
environmental sounds
conceptual design
Arjen Meijer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
17
0.739
environmental sciences
life cycle assessment
sustainable building
circular built environment
circular building
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Poonam Taneja
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
14
0.667
Uncertainty & Flexibility
Port Planning
Sustainability
Climate Change
Transport and logistics
Ludovic Jourdin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
Environmental technology
biotechnology
bioelectrochemistry
Yawei Chen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
11
0.688
Urban China Studies
governance
mega (flagship) projects
urban resilience
climate change
Devanita Ghosh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
Biogeochemistry
Microbial Ecology
Environmental Engineering
Water Quality
Luciano Raso
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
Water Resources Management
Optimal Reservoir Operation
Stochastic Hydrology
Adaptation to Climate Change
Marjolein Pijpers-Van Esch
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
Qiong Chen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
Chemistry
Industrial Ecology
Environmental Engineering
Ali Elahinik
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Aerobic Granular Sludge