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
harmful algal blooms
HABs
marine biotoxins
toxins
red tides
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
418
260
0.622
* Total i10 IndexRankings
Ranking Based On Selection :2
Toxicology
P450
biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
319
118
0.370
* Total i10 IndexRankings
Ranking Based On Selection :3
coastal ocean physical oceanography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
225
116
0.516
* Total i10 IndexRankings
Ranking Based On Selection :4
Geosciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
221
116
0.525
* Total i10 IndexRankings
Ranking Based On Selection :5
Biogeochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
210
116
0.552
* Total i10 IndexRankings
Ranking Based On Selection :6
oceanography
chemistry
pollution
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
208
161
0.774
* Total i10 IndexRankings
Ranking Based On Selection :7
geochemistry
Petrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
204
123
0.603
* Total i10 IndexRankings
Ranking Based On Selection :8
Oceanography
Fukushima
thorium-234
234Th
biological pump
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
192
144
0.750
* Total i10 IndexRankings
Ranking Based On Selection :9
Ocean Science
Ocean Worlds
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
190
142
0.747
* Total i10 IndexRankings
Ranking Based On Selection :10
Upper ocean dynamics
ocean's role in climate
sustained ocean observations
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
179
93
0.520
* Total i10 IndexRankings
Ranking Based On Selection :11
shelf-basin exchange
upwelling
water mass formation
western boundary currents
convection
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
171
146
0.854
* Total i10 IndexRankings
Ranking Based On Selection :12
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
81
0.479
* Total i10 IndexRankings
Ranking Based On Selection :13
toxicology
evolution
adaptation
marine biology
oceanography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
168
104
0.619
* Total i10 IndexRankings
Ranking Based On Selection :14
Conservation Biology
Marine Mammal Health
Animal Welfare
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
121
0.761
* Total i10 IndexRankings
Ranking Based On Selection :15
Ocean ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
123
0.799
* Total i10 IndexRankings
Ranking Based On Selection :16
Underwater robotics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
83
0.539
* Total i10 IndexRankings
Ranking Based On Selection :17
Igneous Petrology
Ocean Ridges
Geology
Tectonics
Structural Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
151
101
0.669
* Total i10 IndexRankings
Ranking Based On Selection :18
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
147
98
0.667
* Total i10 IndexRankings
Ranking Based On Selection :19
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
139
100
0.719
* Total i10 IndexRankings
Ranking Based On Selection :20
oceanography
marine geophysics
electromagnetic geophysics
statistical data analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
138
65
0.471
* Total i10 IndexRankings
Ranking Based On Selection :21
marine geology
coastal geology
river deltas
monsoons
anthropocene
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
136
122
0.897
* Total i10 IndexRankings
Ranking Based On Selection :22
Oceanography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
136
93
0.684
* Total i10 IndexRankings
Ranking Based On Selection :23
Marine Geochemistry
Environmental Chemistry
Science Policy
Environmental Education
Organic Geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
135
47
0.348
* Total i10 IndexRankings
Ranking Based On Selection :24
Groundwater Hydrogeochemistry
Chemical Oceanography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
133
116
0.872
* Total i10 IndexRankings
Ranking Based On Selection :25
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
129
73
0.566
Donald M Anderson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
418
260
0.622
harmful algal blooms
HABs
marine biotoxins
toxins
red tides
John Stegeman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
319
118
0.370
Toxicology
P450
biochemistry
Robert C Beardsley
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
225
116
0.516
coastal ocean physical oceanography
Stanley R Hart
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
221
116
0.525
John M Hayes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
210
116
0.552
Christopher Reddy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
208
161
0.774
oceanography
chemistry
pollution
Nobumichi Shimizu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
204
123
0.603
geochemistry
Petrology
Ken Buesseler
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
192
144
0.750
Oceanography
Fukushima
thorium-234
234Th
biological pump
Christopher R German
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
190
142
0.747
Ocean Science
Ocean Worlds
Robert A Weller
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
179
93
0.520
Upper ocean dynamics
ocean's role in climate
sustained ocean observations
Robert Pickart
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
171
146
0.854
shelf-basin exchange
upwelling
water mass formation
western boundary currents
convection
Peter Wiebe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
81
0.479
Mark E Hahn
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
168
104
0.619
toxicology
evolution
adaptation
marine biology
oceanography
Michael Moore
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
121
0.761
Conservation Biology
Marine Mammal Health
Animal Welfare
Simon Thorrold
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
123
0.799
Dana Yoerger
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
83
0.539
Henry Jb Dick
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
151
101
0.669
Igneous Petrology
Ocean Ridges
Geology
Tectonics
Structural Geology
John Toole
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
147
98
0.667
Mark D Kurz
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
139
100
0.719
Alan Chave
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
138
65
0.471
oceanography
marine geophysics
electromagnetic geophysics
statistical data analysis
Liviu Giosan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
136
122
0.897
marine geology
coastal geology
river deltas
monsoons
anthropocene
Dennis J Mcgillicuddy, Jr
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
136
93
0.684
John W Farrington
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
135
47
0.348
Marine Geochemistry
Environmental Chemistry
Science Policy
Environmental Education
Organic Geochemistry
Matthew A Charette
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
133
116
0.872
Groundwater Hydrogeochemistry
Chemical Oceanography
Ld Keigwin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
129
73
0.566