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
groundwater hydrology
sustainability
Land-ocean interaction
subsurface warming
water-energy-food nexus
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
165
111
0.673
* Total i10 IndexRankings
Ranking Based On Selection :2
evolution of music
musicality
musical mind
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 IndexRankings
Ranking Based On Selection :3
physical volcanology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
4
0.364
* Total i10 IndexRankings
Ranking Based On Selection :4
Geography
Rural study
Education for sustainable development
Tourism
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
* Total i10 IndexRankings
Ranking Based On Selection :5
systemic functional linguistics
multimodal discourse analysis
foreign language pedagogy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
Makoto Taniguchi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
165
111
0.673
groundwater hydrology
sustainability
Land-ocean interaction
subsurface warming
water-energy-food nexus
Hajime Fukui
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
evolution of music
musicality
musical mind
Yutaka Wada|和田穣隆
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
4
0.364
Daichi Kohmoto|Daichi Kohmoto, 河本 大地
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
Geography
Rural study
Education for sustainable development
Tourism
Thomas Amundrud
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
systemic functional linguistics
multimodal discourse analysis
foreign language pedagogy