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
Hongjie Xie
Remote Sensing
GIS
Cryosphere
Sea Ice
Surface Hydrology
Metrics
H-Index
i10 Index
Citation
54
121
10,101
* Rankings
Ranking Based On Selection: 2
Saugata Datta
Environmental Geochemistry Chemical Hydrogeology Environmental Health
Metrics
H-Index
i10 Index
Citation
41
130
6,326
* Rankings
Ranking Based On Selection: 3
Tt Eighmy
applied geochemistry
applied microbiology
reactive transport
Metrics
H-Index
i10 Index
Citation
31
64
5,082
Alexis Godet
Carbonate sedimentology and diagenesis
Stratigraphy
Cretaceous
Metrics
H-Index
i10 Index
Citation
21
30
1,922
Stuart Birnbaum
sedimentology
low-temperature geochemistry
geomicrobiology
general geology
geoscience education
Metrics
H-Index
i10 Index
Citation
10
11
1,024
Muhammad Salaha Uddin
Geo-spatial Analysis in Urban & Environmental Studies
Interlinked Issues of Environmental and Transportation Planning
Demogr
Metrics
H-Index
i10 Index
Citation
5
3
71

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Rankings
Ranking Based On Selection: 1
Hongjie Xie
Metrics
H-Index
i10 Index
Citation Counts
54
121
10,101
Remote Sensing
GIS
Cryosphere
Sea Ice
Surface Hydrology
Rankings
Ranking Based On Selection: 2
Saugata Datta
Metrics
H-Index
i10 Index
Citation Counts
41
130
6,326
Environmental Geochemistry Chemical Hydrogeology Environmental Health
Rankings
Ranking Based On Selection: 3
Tt Eighmy
Metrics
H-Index
i10 Index
Citation Counts
31
64
5,082
applied geochemistry
applied microbiology
reactive transport
Rankings
Ranking Based On Selection: 4
Lance Lambert
Metrics
H-Index
i10 Index
Citation Counts
25
37
1,827
Paleontology
Stratigraphy
Late Paleozoic Geology
Rankings
Ranking Based On Selection: 5
Alexis Godet
Metrics
H-Index
i10 Index
Citation Counts
21
30
1,922
Carbonate sedimentology and diagenesis
Stratigraphy
Cretaceous
Rankings
Ranking Based On Selection: 6
Stuart Birnbaum
Metrics
H-Index
i10 Index
Citation Counts
10
11
1,024
sedimentology
low-temperature geochemistry
geomicrobiology
general geology
geoscience education
Rankings
Ranking Based On Selection: 7
Anis Parsapoor
Metrics
H-Index
i10 Index
Citation Counts
7
7
385
Rankings
Ranking Based On Selection: 8
Kaushik Mitra
Metrics
H-Index
i10 Index
Citation Counts
6
6
174
Rankings
Ranking Based On Selection: 9
Muhammad Salaha Uddin
Metrics
H-Index
i10 Index
Citation Counts
5
3
71
Geo-spatial Analysis in Urban & Environmental Studies
Interlinked Issues of Environmental and Transportation Planning
Demogr
Rankings
Ranking Based On Selection: 10
John Matt Cannon
Metrics
H-Index
i10 Index
Citation Counts
4
3
76
Continental Tectonics
Tectonic-Geomorphology
Earth Systems

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Rankings
Ranking Based On Selection: 11
Mahsa Afra
Metrics
H-Index
i10 Index
Citation Counts
3
2
34
Rankings
Ranking Based On Selection: 12
Hazem Mahmoud
Metrics
H-Index
i10 Index
Citation Counts
1
1
15
Earth Science / Remote Sensing / Geophysics / Geology
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