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. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
environmental studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
102
0.708
* Total i10 IndexRankings
Ranking Based On Selection :2
Environmental management
Energy
Climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
23
0.639
* Total i10 IndexRankings
Ranking Based On Selection :3
Climate change adaptation
disaster risk reduction
natural resource management
agriculture
participatory techniques
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
10
0.476
* Total i10 IndexRankings
Ranking Based On Selection :4
Air Pollution
transportation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
* Total i10 IndexRankings
Ranking Based On Selection :5
Environmental Engineering
SDGs
LCA
MPs
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
15
0.833
Kazuhiko Takeuchi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
102
0.708
environmental studies
Xianbing Liu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
23
0.639
Environmental management
Energy
Climate change
Sivapuram Venkata Rama Krishna Prabhakar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
10
0.476
Climate change adaptation
disaster risk reduction
natural resource management
agriculture
participatory techniques
Sudarmanto Budi Nugroho
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
Air Pollution
transportation
Amila Abeynayaka|
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
15
0.833
Environmental Engineering
SDGs
LCA
MPs