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".
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :1
carbon cycle
climate change
fossil fuel CO2
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
134
108
0.806
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :2
environmental sociology
climate change
animal studies
agriculture
social theory
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
54
0.947
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :3
global change ecology
forest ecology
Arctic ecology
ecoinformatics
remote sensing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
48
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :4
Paleoclimate
Climate Change
Climate Dynamics
Data Assimilation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
26
0.963
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :5
TEK
Collaboration
Community Based Conservation
Payment for Ecosystem Services
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
21
0.840
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :6
Paleoclimate
Drought
Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :7
Environnmental and Natural Resource Policy and Administration and Public Art
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
15
0.417
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :8
Hydrology
water resources
multiobjective decision-making
conflict resolution
impacts of forest fire on water quality
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
13
0.464
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :9
environment
health equity
origins of agriculture
paleoethnobotany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
Kevin Gurney
Northern Arizona University
Flagstaff, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
134
108
0.806
carbon cycle
climate change
fossil fuel CO2
Diana Stuart
Northern Arizona University
Flagstaff, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
54
0.947
environmental sociology
climate change
animal studies
agriculture
social theory
Logan T Berner
Northern Arizona University
Flagstaff, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
48
1.000
global change ecology
forest ecology
Arctic ecology
ecoinformatics
remote sensing
Michael P Erb
Northern Arizona University
Flagstaff, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
26
0.963
Paleoclimate
Climate Change
Climate Dynamics
Data Assimilation
Erik Nielsen
Northern Arizona University
Flagstaff, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
21
0.840
TEK
Collaboration
Community Based Conservation
Payment for Ecosystem Services
Cody Routson
Northern Arizona University
Flagstaff, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
Paleoclimate
Drought
Climate Change
Zachary A Smith
Northern Arizona University
Flagstaff, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
15
0.417
Environnmental and Natural Resource Policy and Administration and Public Art
Aregai Tecle
Northern Arizona University
Flagstaff, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
13
0.464
Hydrology
water resources
multiobjective decision-making
conflict resolution
impacts of forest fire on water quality
Marcelle Umlauf Coder
Northern Arizona University
Flagstaff, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
environment
health equity
origins of agriculture
paleoethnobotany