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)
* Total i10 Index Rankings
World Rank
90,710
Country Rank
4,653
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/17173.png)
![China](/flags/cn.png)
![Wei-Qiang Chen](https://cdn.adscientificindex.com/pictures/2d/4600518.jpg)
Industrial Ecology
Resources and Environmental Management
Urban Science
Sustainability Science
Green Manufacturing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
113
105
0.929
* Total i10 Index Rankings
World Rank
2,046,395
Country Rank
4,561
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/6099.png)
![Sri Lanka](/flags/lk.png)
![Baratha Dewanarayana](/pictures/ce/5011155.jpg)
Development Economics
Macroeconomics
Industrial Revolutions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
90,710
![China](/flags/cn.png)
4,653
![](https://cdn.adscientificindex.com/logos/17173.png)
7
Wei-Qiang Chen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
113
105
0.929
![](https://cdn.adscientificindex.com/logos/17173.png)
Industrial Ecology
Resources and Environmental Management
Urban Science
Sustainability Science
Green Manufacturing
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
2,046,395
![Sri Lanka](/flags/lk.png)
4,561
![](https://cdn.adscientificindex.com/logos/6099.png)
4
Baratha Dewanarayana
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
![](https://cdn.adscientificindex.com/logos/6099.png)
Development Economics
Macroeconomics
Industrial Revolutions