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
organic petrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
73
0.811
* Total i10 IndexRankings
Ranking Based On Selection :2
Volcanology
Geochemistry
Igenous Petrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
87
63
0.724
* Total i10 IndexRankings
Ranking Based On Selection :3
Volcano Geology
Igneous Petrology
Geochemistry
Volcanology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
32
0.542
* Total i10 IndexRankings
Ranking Based On Selection :4
geochemistry
volcanology
igneous petrology
atmospheric chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
21
0.913
* Total i10 IndexRankings
Ranking Based On Selection :5
Geochronology
Geochemistry
Volcanology
Petrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
18
1.000
* Total i10 IndexRankings
Ranking Based On Selection :6
igneous petrology
geochemistry
volcanology
economic geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total i10 IndexRankings
Ranking Based On Selection :7
Volcanology
Volcanic gases
Remote sensing of volcanoes
Volcanic petrology
Volcano seismology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
* Total i10 IndexRankings
Ranking Based On Selection :8
Geochemistry
Igneous Petrology
Volcanology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
13
0.867
* Total i10 IndexRankings
Ranking Based On Selection :9
Igneous petrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
8
0.727
* Total i10 IndexRankings
Ranking Based On Selection :10
igneous petrology
volcanology
geochronology
geochemistry
magma dynamics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Paul Hackley
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
73
0.811
Lowenstern, Jb
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
87
63
0.724
Volcanology
Geochemistry
Igenous Petrology
Charles R Bacon
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
32
0.542
Volcano Geology
Igneous Petrology
Geochemistry
Volcanology
Peter J Kelly
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
21
0.913
geochemistry
volcanology
igneous petrology
atmospheric chemistry
Mark Stelten
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
18
1.000
Geochronology
Geochemistry
Volcanology
Petrology
Kathryn Watts
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
igneous petrology
geochemistry
volcanology
economic geology
Patricia A Nadeau
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
Volcanology
Volcanic gases
Remote sensing of volcanoes
Volcanic petrology
Volcano seismology
Matthew W Loewen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
13
0.867
Geochemistry
Igneous Petrology
Volcanology
Dawnika Blatter
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
8
0.727
Nathan L Andersen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
igneous petrology
volcanology
geochronology
geochemistry
magma dynamics