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
1,098,808
Country Rank
5,066
Institution Rank : 122
![](https://cdn.adscientificindex.com/logos/17426.png)
![New Zealand](/flags/nz.png)
![Svenja Halfter](/pictures/3b/5259049.jpg)
carbon cycle
zooplankton ecology
polar regions
biogeochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total i10 Index Rankings
World Rank
1,102,101
Country Rank
20,863
Institution Rank : 25
![](https://cdn.adscientificindex.com/logos/15936.png)
![Japan](/flags/jp.png)
![Kaihe Yamazaki](/pictures/d2/4768746.jpg)
climate dynamics
physical oceanography
air-sea-ice interaction
Southern Ocean
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total i10 Index Rankings
World Rank
1,194,330
Country Rank
22,417
Institution Rank : 26
![](https://cdn.adscientificindex.com/logos/15936.png)
![Japan](/flags/jp.png)
![Tikemani Bag](/pictures/f0/4768998.jpg)
Space Physics
Helio-Physics
Solar Physics
Planetary Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 Index Rankings
World Rank
1,208,305
Country Rank
22,632
Institution Rank : 27
![](https://cdn.adscientificindex.com/logos/15936.png)
![Japan](/flags/jp.png)
![Shu-Kuan Wong](/user/assets/images/profile/no-profile-photo.png)
Environmental microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
* Total i10 Index Rankings
World Rank
1,394,938
Country Rank
25,615
Institution Rank : 28
![](https://cdn.adscientificindex.com/logos/15936.png)
![Japan](/flags/jp.png)
![Akihisa Hattori](/user/assets/images/profile/no-profile-photo.png)
Geodesy
GNSS
SLR
Absolute gravimetry
Antarctica
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 Index Rankings
World Rank
1,731,314
Country Rank
30,494
Institution Rank : 29
![](https://cdn.adscientificindex.com/logos/15936.png)
![Japan](/flags/jp.png)
![Sachin Alexander Reddy](/pictures/d6/5591271.jpg)
Space Plasma Physics
Ionospheres
Machine Learning
Space Weather
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 Index Rankings
World Rank
1,920,752
Country Rank
33,231
Institution Rank : 30
![](https://cdn.adscientificindex.com/logos/15936.png)
![Japan](/flags/jp.png)
![Motoshi Nishimura](/user/assets/images/profile/no-profile-photo.png)
Glaciology
Meteorology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,098,808
![New Zealand](/flags/nz.png)
5,066
![](https://cdn.adscientificindex.com/logos/17426.png)
122
Svenja Halfter
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
![](https://cdn.adscientificindex.com/logos/17426.png)
carbon cycle
zooplankton ecology
polar regions
biogeochemistry
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,102,101
![Japan](/flags/jp.png)
20,863
![](https://cdn.adscientificindex.com/logos/15936.png)
25
Kaihe Yamazaki
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
![](https://cdn.adscientificindex.com/logos/15936.png)
climate dynamics
physical oceanography
air-sea-ice interaction
Southern Ocean
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,194,330
![Japan](/flags/jp.png)
22,417
![](https://cdn.adscientificindex.com/logos/15936.png)
26
Tikemani Bag
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
![](https://cdn.adscientificindex.com/logos/15936.png)
Space Physics
Helio-Physics
Solar Physics
Planetary Science
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,208,305
![Japan](/flags/jp.png)
22,632
![](https://cdn.adscientificindex.com/logos/15936.png)
27
Shu-Kuan Wong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,394,938
![Japan](/flags/jp.png)
25,615
![](https://cdn.adscientificindex.com/logos/15936.png)
28
Akihisa Hattori
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
![](https://cdn.adscientificindex.com/logos/15936.png)
Geodesy
GNSS
SLR
Absolute gravimetry
Antarctica
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,731,314
![Japan](/flags/jp.png)
30,494
![](https://cdn.adscientificindex.com/logos/15936.png)
29
Sachin Alexander Reddy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
![](https://cdn.adscientificindex.com/logos/15936.png)
Space Plasma Physics
Ionospheres
Machine Learning
Space Weather
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,920,752
![Japan](/flags/jp.png)
33,231
![](https://cdn.adscientificindex.com/logos/15936.png)
30
Motoshi Nishimura
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
![](https://cdn.adscientificindex.com/logos/15936.png)
Glaciology
Meteorology