Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,937 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :1
David M. Hannah
hydrology
water
hydroclimatology
ecohydrology
physical geography
Metrics
H-Index
i10 Index
Citation
80
253
23,498
Xiaoming Cai
Boundary-Layer Meteorology
Air Pollution Meteorology
Air pollution modelling
Large-eddy simulation of atmospheric turbulence
Turbulence and its modelling
Metrics
H-Index
i10 Index
Citation
38
66
4,569
Rankings
Ranking Based On Selection: 1
David M. Hannah
Metrics
H-Index
i10 Index
Citation Counts
80
253
23,498
hydrology
water
hydroclimatology
ecohydrology
physical geography
Rankings
Ranking Based On Selection: 2
William James Bloss
Metrics
H-Index
i10 Index
Citation Counts
55
110
7,927
Rankings
Ranking Based On Selection: 3
Francis Pope
Metrics
H-Index
i10 Index
Citation Counts
40
93
5,096
Rankings
Ranking Based On Selection: 4
Gregor C. Leckebusch
Metrics
H-Index
i10 Index
Citation Counts
38
66
7,223
Rankings
Ranking Based On Selection: 5
Xiaoming Cai
Metrics
H-Index
i10 Index
Citation Counts
38
66
4,569
Boundary-Layer Meteorology
Air Pollution Meteorology
Air pollution modelling
Large-eddy simulation of atmospheric turbulence
Turbulence and its modelling
Rankings
Ranking Based On Selection: 6
M Salim Alam
Metrics
H-Index
i10 Index
Citation Counts
30
58
3,282
Rankings
Ranking Based On Selection: 7
Louisa Kramer
Metrics
H-Index
i10 Index
Citation Counts
16
21
1,203
Rankings
Ranking Based On Selection: 8
Grace Garner
Metrics
H-Index
i10 Index
Citation Counts
6
6
785