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" (910,673 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
Stefano Manzoni
hydrology
ecology
biogeochemistry
plant ecophysiology
modeling
Metrics
H-Index
i10 Index
Citation
61
121
19,123
* Rankings
Ranking Based On Selection: 3
Jan Pietroń
Hydrology
Modelling
GIS
Field work
Sediment transport
Metrics
H-Index
i10 Index
Citation
16
17
1,385
Anna Scaini
Hydrology
sustainability of water resources
Metrics
H-Index
i10 Index
Citation
11
12
690
Mohanna Zarei
Water Resources Management
Environmental Policy
WEF Nexus
Environmental Remediation
Civil Engineering
Metrics
H-Index
i10 Index
Citation
6
5
383
Rankings
Ranking Based On Selection: 1
Stefano Manzoni
Metrics
H-Index
i10 Index
Citation Counts
61
121
19,123
hydrology
ecology
biogeochemistry
plant ecophysiology
modeling
Rankings
Ranking Based On Selection: 2
Carla Sofia Santos Ferreira
Metrics
H-Index
i10 Index
Citation Counts
38
102
5,322
Land degradation
surface hydrology
water quality
Rankings
Ranking Based On Selection: 3
Jan Pietroń
Metrics
H-Index
i10 Index
Citation Counts
16
17
1,385
Hydrology
Modelling
GIS
Field work
Sediment transport
Rankings
Ranking Based On Selection: 4
Anna Scaini
Metrics
H-Index
i10 Index
Citation Counts
11
12
690
Rankings
Ranking Based On Selection: 5
Mohanna Zarei
Metrics
H-Index
i10 Index
Citation Counts
6
5
383
Water Resources Management
Environmental Policy
WEF Nexus
Environmental Remediation
Civil Engineering