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
Seabird
biologging
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
114
90
0.789
* Total i10 IndexRankings
Ranking Based On Selection :2
Upper atmospheric physics
ionospheric physics
ionosphere
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
45
0.500
* Total i10 IndexRankings
Ranking Based On Selection :3
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
26
0.634
* Total i10 IndexRankings
Ranking Based On Selection :4
Atmospheric aerosols
Aerosol-cloud interactions
Ice nucleation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
35
0.897
* Total i10 IndexRankings
Ranking Based On Selection :5
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
26
0.667
* Total i10 IndexRankings
Ranking Based On Selection :6
Glaciology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
* Total i10 IndexRankings
Ranking Based On Selection :7
Earth and Planetary Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
* Total i10 IndexRankings
Ranking Based On Selection :8
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
* Total i10 IndexRankings
Ranking Based On Selection :9
sea-level change
last glacial period
Antarctica
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
* Total i10 IndexRankings
Ranking Based On Selection :10
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
13
0.722
* Total i10 IndexRankings
Ranking Based On Selection :11
glacier
ice core
cryoconite
mineral dust
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
* Total i10 IndexRankings
Ranking Based On Selection :12
paleoclimate
glaciology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
* Total i10 IndexRankings
Ranking Based On Selection :13
Environmental microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
* Total i10 IndexRankings
Ranking Based On Selection :14
Space Plasma Physics
Ionospheres
Machine Learning
Space Weather
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Akinori Takahashi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
114
90
0.789
Yasunobu Ogawa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
45
0.500
Naoya Imae
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
26
0.634
Yutaka Tobo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
35
0.897
菅沼悠介
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
26
0.667
Shun Tsutaki
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
Masakazu Fujii
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
Ryosuke Makabe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
Takeshige Ishiwa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
Takahiro Iida
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
13
0.722
Naoko Nagatsuka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
Ikumi Oyabu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
Shu-Kuan Wong
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
Sachin Alexander Reddy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Space Plasma Physics
Ionospheres
Machine Learning
Space Weather