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
Arctic
cold-regions hydrology
climate change
hydro-ecology
hydro-climatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
204
129
0.632
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :2
ethnobotany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
119
0.704
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :3
climate
climate policy
climate solutions
oceanography
meteorology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
198
92
0.465
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :4
Isotope hydrology
geochemistry
oil sands environmental sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
83
0.856
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :5
climate change adaptation
human geography
emission trading
business sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
67
0.882
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :6
Climate
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
61
0.656
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :7
Water resources
hydrological modelling
Urban water management
data-driven modelling
Hydroinformatics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
54
0.871
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :8
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
53
0.779
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :9
hydrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
50
0.833
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :10
restoration ecology
ecological restoration
philosophy of technology
environmental ethics
parks and protected areas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
46
0.742
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :11
Extreme event attribution
climate change emergence
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
45
0.978
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :12
Climate change adaptation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
44
0.863
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :13
Sustainability
circular economy
green infrastructure
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
44
0.917
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :14
Climate Change
Global Public Goods
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
43
0.729
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :15
climate change
energy
housing
sustainable cities
transport
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
41
0.719
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :16
Ecology
conservation science
biodiversity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
35
0.833
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :17
Water & Environmental Engineering
Sustainability
Energy
Safety
Project Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
35
0.946
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :18
Sustainability
Business and Society
Alleviation of Poverty
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
33
0.825
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :19
water governance
social innovation
resilience
transformation
complex systems change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
33
0.892
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :20
Climate change
hydrology
extremes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
31
0.969
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :21
Hydrology
Statistical Downscaling
Climate
Uncertainty
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
26
0.722
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :22
climate change impacts
Water resources
hydroclimatology
extremes
machine learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
26
0.765
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :23
climate
climate science
agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
22
0.293
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :24
Water treatment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
18
0.900
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :25
science communication
public engagement with science
climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
17
0.708
Terry Prowse
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
204
129
0.632
Arctic
cold-regions hydrology
climate change
hydro-ecology
hydro-climatology
Nancy Turner
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
119
0.704
Andrew Weaver
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
198
92
0.465
climate
climate policy
climate solutions
oceanography
meteorology
John J Gibson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
83
0.856
Isotope hydrology
geochemistry
oil sands environmental sciences
Alex Y Lo
Victoria University of Wellington
Wellington, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
67
0.882
climate change adaptation
human geography
emission trading
business sustainability
Michael Eby
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
61
0.656
Nitin Muttil
Victoria University
Melbourne, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
54
0.871
Water resources
hydrological modelling
Urban water management
data-driven modelling
Hydroinformatics
Knut Von Salzen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
53
0.779
Daniel Peters
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
50
0.833
Eric Higgs
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
46
0.742
restoration ecology
ecological restoration
philosophy of technology
environmental ethics
parks and protected areas
Luke J Harrington
Victoria University of Wellington
Wellington, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
45
0.978
Extreme event attribution
climate change emergence
Judy Lawrence
Victoria University of Wellington
Wellington, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
44
0.863
Climate change adaptation
Anne Ng
Victoria University
Melbourne, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
44
0.917
Sustainability
circular economy
green infrastructure
Dave Frame|David Frame, David J Frame
Victoria University of Wellington
Wellington, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
43
0.729
Climate Change
Global Public Goods
Ralph Chapman
Victoria University of Wellington
Wellington, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
41
0.719
climate change
energy
housing
sustainable cities
transport
Brian Starzomski
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
35
0.833
Ecology
conservation science
biodiversity
Augustine Osamor Ifelebuegu
Victoria University Kampala
Kampala, Uganda
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
35
0.946
Water & Environmental Engineering
Sustainability
Energy
Safety
Project Management
Ana Maria Peredo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
33
0.825
Sustainability
Business and Society
Alleviation of Poverty
Michele Lee Moore
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
33
0.892
water governance
social innovation
resilience
transformation
complex systems change
Qiaohong Sun
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
31
0.969
Climate change
hydrology
extremes
Arelia T Werner
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
26
0.722
Hydrology
Statistical Downscaling
Climate
Uncertainty
Rajesh R Shrestha|Rajesh Raj Shrestha
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
26
0.765
climate change impacts
Water resources
hydroclimatology
extremes
machine learning
James Salinger
Victoria University of Wellington
Wellington, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
75
22
0.293
climate
climate science
agriculture
Peter Sanciolo
Victoria University
Melbourne, Australia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
18
0.900
Rhian Salmon
Victoria University of Wellington
Wellington, New Zealand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
17
0.708
science communication
public engagement with science
climate change