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
252,120
Country Rank
5,931
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/16476.png)
![Japan](/flags/jp.png)
![Daisuke Tsumune](/user/assets/images/profile/no-profile-photo.png)
Oceanography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
41
0.759
* Total i10 Index Rankings
World Rank
823,789
Country Rank
16,327
Institution Rank : 30
![](https://cdn.adscientificindex.com/logos/16476.png)
![Japan](/flags/jp.png)
![Naoto Kihara](/user/assets/images/profile/no-profile-photo.png)
Coastal Engineering
Tsunami
Air-sea interaction
Boundary layer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
252,120
![Japan](/flags/jp.png)
5,931
![](https://cdn.adscientificindex.com/logos/16476.png)
6
Daisuke Tsumune
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
41
0.759
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
823,789
![Japan](/flags/jp.png)
16,327
![](https://cdn.adscientificindex.com/logos/16476.png)
30
Naoto Kihara
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
![](https://cdn.adscientificindex.com/logos/16476.png)
Coastal Engineering
Tsunami
Air-sea interaction
Boundary layer