Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as 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
Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
182
121
0.665
* Total i10 IndexRankings
Ranking Based On Selection :2
tectonics
geochronology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
106
0.667
* Total i10 IndexRankings
Ranking Based On Selection :3
Climate change
Environmental Change
Geomorphology
Geochronology
Palaeoclimatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
50
0.769
* Total i10 IndexRankings
Ranking Based On Selection :4
Hydrogeology and Water Resources
Environmental Hydrology
Water and Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
33
0.846
* Total i10 IndexRankings
Ranking Based On Selection :5
Applied geoscience & geoinformatics
disaster risk reduction
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
26
0.684
* Total i10 IndexRankings
Ranking Based On Selection :6
Comparative anatomy
palaeobiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
26
0.963
* Total i10 IndexRankings
Ranking Based On Selection :7
Geomorphology
remote sensing
disasters
heritage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
9
0.563
* Total i10 IndexRankings
Ranking Based On Selection :8
Geochronology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
* Total i10 IndexRankings
Ranking Based On Selection :9
Geotechnical Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :10
Geochemistry
Metamorphics
Rutile
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
AS Gale
University of Portsmouth
Portsmouth, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
182
121
0.665
Rob Strachan
University of Portsmouth
Portsmouth, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
106
0.667
Timothy T Barrows
University of Portsmouth
Portsmouth, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
50
0.769
Climate change
Environmental Change
Geomorphology
Geochronology
Palaeoclimatology
Mohammad Hoque
University of Portsmouth
Portsmouth, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
33
0.846
Hydrogeology and Water Resources
Environmental Hydrology
Water and Health
Richard Teeuw
University of Portsmouth
Portsmouth, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
26
0.684
Applied geoscience & geoinformatics
disaster risk reduction
Nizar Ibrahim
University of Portsmouth
Portsmouth, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
26
0.963
Comparative anatomy
palaeobiology
Andy Gibson
University of Portsmouth
Portsmouth, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
9
0.563
Geomorphology
remote sensing
disasters
heritage
Catherine Mottram
University of Portsmouth
Portsmouth, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
Alireza Tatari
University of Portsmouth
Portsmouth, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Emma Hart
University of Portsmouth
Portsmouth, United Kingdom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Geochemistry
Metamorphics
Rutile