Top 100 Scientists

World Top 100 Scientists 2024

The ranking of “Top 100” scientists is based on total h-index scores. Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, EECA, BRICS, and COMESA 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, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (829,221 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
World Rank
40,798
Country Rank
16,763
Institution Rank : 54
United States
David L Mccollum
Energy
climate change
transport
scenario modeling
systems analysis
Metrics
H-Index
i10 Index
Citation
63
102
23,281
* Rankings
World Rank
41,008
Country Rank
16,831
Institution Rank : 55
United States
Lianhong Gu
Photosynthesis
ecosystem science
environmental science
sensors
automatic analytic tools
Metrics
H-Index
i10 Index
Citation
63
129
21,098
* Rankings
World Rank
55,357
Country Rank
21,920
Institution Rank : 76
United States
Costas Tsouris
Separations
process intensification
capacitive deionization
gas hydrates
Metrics
H-Index
i10 Index
Citation
57
195
14,497
* Rankings
World Rank
63,181
Country Rank
24,633
Institution Rank : 89
United States
Guangsheng Chen
Environmental Sciences
Metrics
H-Index
i10 Index
Citation
54
125
25,487
* Rankings
World Rank
66,395
Country Rank
25,674
Institution Rank : 93
United States
Jiafu Mao (毛嘉富)
Land-atmosphere Feedback
Terrestrial Ecosystem Modeling
Earth System Modeling
Climate Change Detection and Attribution
Metrics
H-Index
i10 Index
Citation
53
107
12,206
* Rankings
World Rank
82,075
Country Rank
30,721
Institution Rank : 123
United States
Daniel Ricciuto
Carbon cycle modeling
Uncertainty quantification
Climate change
Metrics
H-Index
i10 Index
Citation
49
114
12,789
* Rankings
World Rank
97,402
Country Rank
35,552
Institution Rank : 148
United States
Yaxing Wei
geospatial information science
climate change
environmental sciences
Web-based GIS
Web services
Metrics
H-Index
i10 Index
Citation
46
89
7,617
* Rankings
World Rank
98,454
Country Rank
35,848
Institution Rank : 150
United States
Robert B Cook
biogeochemistry
climate change
environmental sciences
terrestrial ecology
Metrics
H-Index
i10 Index
Citation
46
93
9,237
* Rankings
World Rank
134,751
Country Rank
46,640
Institution Rank : 207
United States
Scott Brooks
Environmental Chemistry
Biogeochemistry
Environmental Science
Metrics
H-Index
i10 Index
Citation
40
92
6,379
* Rankings
World Rank
166,570
Country Rank
55,721
Institution Rank : 246
United States
Keith L Kline
International development and land management
Metrics
H-Index
i10 Index
Citation
36
54
4,310
* Rankings
World Rank
221,937
Country Rank
70,888
Institution Rank : 312
United States
Natalie A Griffiths
biogeochemistry
ecology
climate change
bioenergy
Metrics
H-Index
i10 Index
Citation
31
55
4,462
* Rankings
World Rank
223,553
Country Rank
71,351
Institution Rank : 316
United States
Eric M Pierce
low temperature geochemistry
environmental science
material science
contaminant remediation
Metrics
H-Index
i10 Index
Citation
31
75
3,818
* Rankings
World Rank
395,970
Country Rank
115,708
Institution Rank : 508
United States
Esther S Parish
Sustainability
Renewable Energy
Geography
Bioenergy
Climate Change
Metrics
H-Index
i10 Index
Citation
22
27
1,719
* Rankings
World Rank
475,156
Country Rank
135,467
Institution Rank : 586
United States
Eric R Johnston
Environmental Engineering
Global Change
Microbial Ecology
Metagenomics
Soil Microbiology
Metrics
H-Index
i10 Index
Citation
19
22
3,738
* Rankings
World Rank
688,876
Country Rank
188,480
Institution Rank : 801
United States
Dmitry Maltsev
Materials Science • Engineering • Chemistry • Energy • Chemical Engineering • Environmental Science
Metrics
H-Index
i10 Index
Citation
14
19
634
* Rankings
World Rank
734,178
Country Rank
199,293
Institution Rank : 838
United States
Sujithkumar Surendran Nair
Spatial Modeling
Climate Change
Partial Equilibrium Modeling
Ecosystem Services
Trade-off Analysis
Metrics
H-Index
i10 Index
Citation
13
14
1,037
* Rankings
World Rank
814,468
Country Rank
217,784
Institution Rank : 876
United States
Sarat Sreepathi
High Performance Computing
Computational Climate Science
Computational Intelligence
Scientific Computing
Optimization
Metrics
H-Index
i10 Index
Citation
12
12
674
* Rankings
World Rank
1,188,009
Country Rank
291,921
Institution Rank : 1,031
United States
Dipti Kamath
Environmental Engineering
Metrics
H-Index
i10 Index
Citation
6
6
315
* Rankings
World Rank
1,417,498
Country Rank
327,640
Institution Rank : 1,091
United States
Abigail L Gaddis
Climate Predictability
Climate Change Impacts
Climate Modeling
Metrics
H-Index
i10 Index
Citation
5
4
664
Rankings
40,798
United States
16,763
54
David L Mccollum
Metrics
H-Index
i10 Index
Citation Counts
63
102
23,281
Energy
climate change
transport
scenario modeling
systems analysis
Rankings
41,008
United States
16,831
55
Lianhong Gu
Metrics
H-Index
i10 Index
Citation Counts
63
129
21,098
Photosynthesis
ecosystem science
environmental science
sensors
automatic analytic tools
Rankings
55,357
United States
21,920
76
Costas Tsouris
Metrics
H-Index
i10 Index
Citation Counts
57
195
14,497
Separations
process intensification
capacitive deionization
gas hydrates
Rankings
63,181
United States
24,633
89
Guangsheng Chen
Metrics
H-Index
i10 Index
Citation Counts
54
125
25,487
Rankings
66,395
United States
25,674
93
Jiafu Mao (毛嘉富)
Metrics
H-Index
i10 Index
Citation Counts
53
107
12,206
Land-atmosphere Feedback
Terrestrial Ecosystem Modeling
Earth System Modeling
Climate Change Detection and Attribution
Rankings
82,075
United States
30,721
123
Daniel Ricciuto
Metrics
H-Index
i10 Index
Citation Counts
49
114
12,789
Carbon cycle modeling
Uncertainty quantification
Climate change
Rankings
97,402
United States
35,552
148
Yaxing Wei
Metrics
H-Index
i10 Index
Citation Counts
46
89
7,617
geospatial information science
climate change
environmental sciences
Web-based GIS
Web services
Rankings
98,454
United States
35,848
150
Robert B Cook
Metrics
H-Index
i10 Index
Citation Counts
46
93
9,237
biogeochemistry
climate change
environmental sciences
terrestrial ecology
Rankings
134,751
United States
46,640
207
Scott Brooks
Metrics
H-Index
i10 Index
Citation Counts
40
92
6,379
Environmental Chemistry
Biogeochemistry
Environmental Science
Rankings
166,570
United States
55,721
246
Keith L Kline
Metrics
H-Index
i10 Index
Citation Counts
36
54
4,310
Rankings
221,937
United States
70,888
312
Natalie A Griffiths
Metrics
H-Index
i10 Index
Citation Counts
31
55
4,462
Rankings
223,553
United States
71,351
316
Eric M Pierce
Metrics
H-Index
i10 Index
Citation Counts
31
75
3,818
low temperature geochemistry
environmental science
material science
contaminant remediation
Rankings
395,970
United States
115,708
508
Esther S Parish
Metrics
H-Index
i10 Index
Citation Counts
22
27
1,719
Sustainability
Renewable Energy
Geography
Bioenergy
Climate Change
Rankings
475,156
United States
135,467
586
Eric R Johnston
Metrics
H-Index
i10 Index
Citation Counts
19
22
3,738
Environmental Engineering
Global Change
Microbial Ecology
Metagenomics
Soil Microbiology
Rankings
688,876
United States
188,480
801
Dmitry Maltsev
Metrics
H-Index
i10 Index
Citation Counts
14
19
634
Materials Science • Engineering • Chemistry • Energy • Chemical Engineering • Environmental Science
Rankings
734,178
United States
199,293
838
Sujithkumar Surendran Nair
Metrics
H-Index
i10 Index
Citation Counts
13
14
1,037
Spatial Modeling
Climate Change
Partial Equilibrium Modeling
Ecosystem Services
Trade-off Analysis
Rankings
814,468
United States
217,784
876
Sarat Sreepathi
Metrics
H-Index
i10 Index
Citation Counts
12
12
674
High Performance Computing
Computational Climate Science
Computational Intelligence
Scientific Computing
Optimization
Rankings
1,188,009
United States
291,921
1,031
Dipti Kamath
Metrics
H-Index
i10 Index
Citation Counts
6
6
315
Rankings
1,417,498
United States
327,640
1,091
Abigail L Gaddis
Metrics
H-Index
i10 Index
Citation Counts
5
4
664
Climate Predictability
Climate Change Impacts
Climate Modeling