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" (937,844 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: 2
Ashish K Chaturvedi
Climate Change Impact Assessment and Adaptation
Stress Physiology
Abiotic Stress Tolerance
Agricultural Water Management
Metrics
H-Index
i10 Index
Citation
21
28
2,168
* Rankings
Ranking Based On Selection: 5
Manoj P Samuel
watershed hydrology
groundwater modelling
rainwater harvesting
water filtration
technology and innovation management
Metrics
H-Index
i10 Index
Citation
16
21
992
* Rankings
Ranking Based On Selection: 6
K Ch V Naga Kumar (Chinni)
Geo-Informatics
Coastal Morphodynamics
Holocene Evolution of River Deltas
Metrics
H-Index
i10 Index
Citation
13
14
428
* Rankings
Ranking Based On Selection: 8
Smitha VS
Nanomaterials for water treatment
Water quality analysis
Water resource management
Metrics
H-Index
i10 Index
Citation
12
14
421
* Rankings
Ranking Based On Selection: 10
Sarathjith Mc
Spectroscopy of soils
hyperspectral remote sensing
precision agriculture
Metrics
H-Index
i10 Index
Citation
10
10
419

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* Rankings
Ranking Based On Selection: 11
Priju CP
Coastal Hydrogeology
Groundwater Hydrology
Hydrogeophysics
Geomorphology
Metrics
H-Index
i10 Index
Citation
10
10
445
* Rankings
Ranking Based On Selection: 15
Sadhana Singh Sagar
Bacteriophages
MDR
Biofilm
Hepatitis Delta Virus
Norovirus
Metrics
H-Index
i10 Index
Citation
7
5
275
* Rankings
Ranking Based On Selection: 19
Naveena K
Statistical modelling
Machine learning modelling
Agricultural water manegment
Metrics
H-Index
i10 Index
Citation
6
4
179
* Rankings
Ranking Based On Selection: 20
Arun Pr
Hydrogeology
Groundwater
Geographical Information Systems
River Morphometry
Landslides
Metrics
H-Index
i10 Index
Citation
6
3
168
* Rankings
Ranking Based On Selection: 22
Vivek B
Environmental Engineering
Water and Wastewater Treatment
Water Quality Modelling
Metrics
H-Index
i10 Index
Citation
4
2
46
* Rankings
Ranking Based On Selection: 23
Celine George
Water Resources and Hydrology
Hydrologic Modelling
Metrics
H-Index
i10 Index
Citation
4
1
35
* Rankings
Ranking Based On Selection: 26
Thenmozhi M
Irrigation
Groundwater
soil and water conservation measures
Metrics
H-Index
i10 Index
Citation
2
1
40
Rankings
Ranking Based On Selection: 1
U Surendran
Metrics
H-Index
i10 Index
Citation Counts
30
47
2,562
soil science
nutrient budgeting
agricultural water management
Rankings
Ranking Based On Selection: 2
Ashish K Chaturvedi
Metrics
H-Index
i10 Index
Citation Counts
21
28
2,168
Climate Change Impact Assessment and Adaptation
Stress Physiology
Abiotic Stress Tolerance
Agricultural Water Management
Rankings
Ranking Based On Selection: 3
Vivek S Kale
Metrics
H-Index
i10 Index
Citation Counts
20
40
1,472
Rankings
Ranking Based On Selection: 4
Harikumar PS
Metrics
H-Index
i10 Index
Citation Counts
18
32
1,779
Rankings
Ranking Based On Selection: 5
Manoj P Samuel
Metrics
H-Index
i10 Index
Citation Counts
16
21
992
watershed hydrology
groundwater modelling
rainwater harvesting
water filtration
technology and innovation management
Rankings
Ranking Based On Selection: 6
K Ch V Naga Kumar (Chinni)
Metrics
H-Index
i10 Index
Citation Counts
13
14
428
Geo-Informatics
Coastal Morphodynamics
Holocene Evolution of River Deltas
Rankings
Ranking Based On Selection: 7
Renjith Kr
Metrics
H-Index
i10 Index
Citation Counts
12
15
494
Rankings
Ranking Based On Selection: 8
Smitha VS
Metrics
H-Index
i10 Index
Citation Counts
12
14
421
Nanomaterials for water treatment
Water quality analysis
Water resource management
Rankings
Ranking Based On Selection: 9
Dipu Sukumaran
Metrics
H-Index
i10 Index
Citation Counts
11
12
645
Rankings
Ranking Based On Selection: 10
Sarathjith Mc
Metrics
H-Index
i10 Index
Citation Counts
10
10
419
Spectroscopy of soils
hyperspectral remote sensing
precision agriculture

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
Priju CP
Metrics
H-Index
i10 Index
Citation Counts
10
10
445
Coastal Hydrogeology
Groundwater Hydrology
Hydrogeophysics
Geomorphology
Rankings
Ranking Based On Selection: 12
Ambili G Kamalamma
Metrics
H-Index
i10 Index
Citation Counts
9
9
441
Rankings
Ranking Based On Selection: 13
Chithra Vs
Metrics
H-Index
i10 Index
Citation Counts
9
9
574
Rankings
Ranking Based On Selection: 14
Jaysooryan Kk
Metrics
H-Index
i10 Index
Citation Counts
9
8
277
Rankings
Ranking Based On Selection: 15
Sadhana Singh Sagar
Metrics
H-Index
i10 Index
Citation Counts
7
5
275
Bacteriophages
MDR
Biofilm
Hepatitis Delta Virus
Norovirus
Rankings
Ranking Based On Selection: 16
Raicy Mc
Metrics
H-Index
i10 Index
Citation Counts
7
6
196
Rankings
Ranking Based On Selection: 17
Drissia Tk
Metrics
H-Index
i10 Index
Citation Counts
6
5
162
Rankings
Ranking Based On Selection: 18
Resmi Tr
Metrics
H-Index
i10 Index
Citation Counts
6
4
156
Rankings
Ranking Based On Selection: 19
Naveena K
Metrics
H-Index
i10 Index
Citation Counts
6
4
179
Statistical modelling
Machine learning modelling
Agricultural water manegment
Rankings
Ranking Based On Selection: 20
Arun Pr
Metrics
H-Index
i10 Index
Citation Counts
6
3
168
Hydrogeology
Groundwater
Geographical Information Systems
River Morphometry
Landslides
Rankings
Ranking Based On Selection: 21
Manjula P
Metrics
H-Index
i10 Index
Citation Counts
5
2
122
Rankings
Ranking Based On Selection: 22
Vivek B
Metrics
H-Index
i10 Index
Citation Counts
4
2
46
Environmental Engineering
Water and Wastewater Treatment
Water Quality Modelling
Rankings
Ranking Based On Selection: 23
Celine George
Metrics
H-Index
i10 Index
Citation Counts
4
1
35
Water Resources and Hydrology
Hydrologic Modelling
Rankings
Ranking Based On Selection: 24
Jainet Pj
Metrics
H-Index
i10 Index
Citation Counts
3
3
66
Rankings
Ranking Based On Selection: 25
Shiji M
Metrics
H-Index
i10 Index
Citation Counts
3
2
41
Water quality monitoring
Wetland studies
Rankings
Ranking Based On Selection: 26
Thenmozhi M
Metrics
H-Index
i10 Index
Citation Counts
2
1
40
Irrigation
Groundwater
soil and water conservation measures
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