Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
![Qin Fen (Katherine) Zhang](https://cdn.adscientificindex.com/pictures/3c/4418248.jpg)
Hydropower
Renewable Energy
Pumped Storage Hydro Technology Innovation
Hydropower Cost and Economics
Transient Analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
623
301
0.483
![Amol Phadke](/user/assets/images/profile/no-profile-photo.png)
energy policy
energy economics
clean energy technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
45
0.703
Qin Fen (Katherine) Zhang
Oak Ridge National Laboratory
Oak Ridge, United States
![United States](/flags/us.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
623
301
0.483
Hydropower
Renewable Energy
Pumped Storage Hydro Technology Innovation
Hydropower Cost and Economics
Transient Analysis
Amol Phadke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
45
0.703
energy policy
energy economics
clean energy technology