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" (873,864 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
James Jay Schauer
Air Pollution
Environmental Chemistry
Aerosols
Source Apportionment
Metrics
H-Index
i10 Index
Citation
110
436
47,269
Chin H Wu
Air-Sea Interactions
Coastal Processes
Environmental Fluid Mechanics
Physical Limnology
Sediment Transport
Metrics
H-Index
i10 Index
Citation
40
76
5,373
Soyoung Ahn
transportation
traffic flow theory
intelligent transportation systems
Metrics
H-Index
i10 Index
Citation
34
56
5,292
Eric G Booth
Hydrology
Hydroecology
Scenarios
Geomorphology
Wetlands
Metrics
H-Index
i10 Index
Citation
24
29
2,018
Ammara Talib
Engineering
Machine Learning
Computational Modeling
Satellite Data analysis
Metrics
H-Index
i10 Index
Citation
8
7
233
Kai Yang
Environmental Engineering
Resource Recovery
Wastewater Treatment
Metrics
H-Index
i10 Index
Citation
4
3
77
Semih Ozler
Air Pollution
Air Quality
PM2.5
Low-cost Sensing
Air Quality Monitoring
Metrics
H-Index
i10 Index
Citation
2
1
22
Rankings
Ranking Based On Selection: 1
James Jay Schauer
Metrics
H-Index
i10 Index
Citation Counts
110
436
47,269
Air Pollution
Environmental Chemistry
Aerosols
Source Apportionment
Rankings
Ranking Based On Selection: 2
Steven Loheide
Metrics
H-Index
i10 Index
Citation Counts
43
67
5,386
Rankings
Ranking Based On Selection: 3
Awad Hanna
Metrics
H-Index
i10 Index
Citation Counts
42
99
5,993
Rankings
Ranking Based On Selection: 4
Chin H Wu
Metrics
H-Index
i10 Index
Citation Counts
40
76
5,373
Air-Sea Interactions
Coastal Processes
Environmental Fluid Mechanics
Physical Limnology
Sediment Transport
Rankings
Ranking Based On Selection: 5
Christy Remucal
Metrics
H-Index
i10 Index
Citation Counts
34
48
5,326
Rankings
Ranking Based On Selection: 6
Soyoung Ahn
Metrics
H-Index
i10 Index
Citation Counts
34
56
5,292
transportation
traffic flow theory
intelligent transportation systems
Rankings
Ranking Based On Selection: 8
Daniel B Wright
Metrics
H-Index
i10 Index
Citation Counts
27
41
2,239
Rankings
Ranking Based On Selection: 9
Eric G Booth
Metrics
H-Index
i10 Index
Citation Counts
24
29
2,018
Hydrology
Hydroecology
Scenarios
Geomorphology
Wetlands
Rankings
Ranking Based On Selection: 10
Hang Zhai
Metrics
H-Index
i10 Index
Citation Counts
10
10
220
Rankings
Ranking Based On Selection: 11
Ammara Talib
Metrics
H-Index
i10 Index
Citation Counts
8
7
233
Engineering
Machine Learning
Computational Modeling
Satellite Data analysis
Rankings
Ranking Based On Selection: 12
Zachary Lemke
Metrics
H-Index
i10 Index
Citation Counts
5
1
42
Rankings
Ranking Based On Selection: 13
Kai Yang
Metrics
H-Index
i10 Index
Citation Counts
4
3
77
Environmental Engineering
Resource Recovery
Wastewater Treatment
Rankings
Ranking Based On Selection: 14
Semih Ozler
Metrics
H-Index
i10 Index
Citation Counts
2
1
22
Air Pollution
Air Quality
PM2.5
Low-cost Sensing
Air Quality Monitoring