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
Sps Kushwaha
Ecology
Forest Geoinformatics
Species Distribution Modeling
Carbon Flux Monitoring using Eddy Covariance Technique and Tall T
Metrics
H-Index
i10 Index
Citation
41
104
6,123
* Rankings
Ranking Based On Selection :2
Anil Kumar
Soft Computing
Remote Sensing
Hyper-Spectral
LiDAR
GPS
Metrics
H-Index
i10 Index
Citation
38
185
8,816
* Rankings
Ranking Based On Selection :4
Praveen K. Thakur
Water Resources and Hydrology
Cryosphere
Urban Water
Remote Sensing and GIS
Planetary Water and Ice
Metrics
H-Index
i10 Index
Citation
30
77
3,496
* Rankings
Ranking Based On Selection :5
Sp Aggarwal
Remote sensing and GIS applications in water resources
Metrics
H-Index
i10 Index
Citation
30
72
3,515
* Rankings
Ranking Based On Selection :6
Patel Nr
satellite agrometeorology
crop monitoring and terrestrial ecosystem processes and climate change
Metrics
H-Index
i10 Index
Citation
29
75
4,003
* Rankings
Ranking Based On Selection :7
Subrata Nandy
Forest Ecology
LiDAR Remote Sensing
Forest Biomass
Forest productivity
Metrics
H-Index
i10 Index
Citation
27
54
2,803
* Rankings
Ranking Based On Selection :8
Pradip K Pal
Satellite data retrieval and assimilation
Metrics
H-Index
i10 Index
Citation
27
88
2,505
* Rankings
Ranking Based On Selection :9
Debashis Mitra
Remote sensing and GIS
Coastal Geology
Coastal Hazards
Metrics
H-Index
i10 Index
Citation
26
56
2,717
* Rankings
Ranking Based On Selection :10
Vaibhav Garg
Hydrological modelling
application of softcomputing techniques in water resources
application of remote sensing in hydrology
Metrics
H-Index
i10 Index
Citation
26
48
2,017
* Rankings
Ranking Based On Selection :11
Arijit Roy
Ecology
Ecological Modelling
Remote Sensing
GIS
Climate Change
Metrics
H-Index
i10 Index
Citation
24
39
2,101
* Rankings
Ranking Based On Selection :12
Yogesh Kant
Thermal remote sensing
Land surface processes
urban thermal environment
aerosol characterization
Metrics
H-Index
i10 Index
Citation
24
42
2,382
* Rankings
Ranking Based On Selection :13
Hari Shanker Srivastava
Microwave Remote Sensing for Various Land Resources
Metrics
H-Index
i10 Index
Citation
24
40
1,863
* Rankings
Ranking Based On Selection :14
Hitendra Padalia
Forest Carbon Cycle & Biodiversity
Imaging Spectroscopy
Fluorescence and Microwave Remote Sensing
Metrics
H-Index
i10 Index
Citation
23
39
2,303
* Rankings
Ranking Based On Selection :15
Bhaskar R. Nikam
Water Resources Management
Irrigation Water Managament
Hydrological Modeling
Soil Erosion Modeling
Metrics
H-Index
i10 Index
Citation
22
40
1,437
* Rankings
Ranking Based On Selection :16
Shashi Kumar
SAR Polarimetry
Hybrid Polarimetry
Polarimetric SAR Interferometry
SAR Tomography
Metrics
H-Index
i10 Index
Citation
20
49
1,547
* Rankings
Ranking Based On Selection :17
Cm Bhatt
Floods and Fluvial Geomorphology
Metrics
H-Index
i10 Index
Citation
19
30
1,418
* Rankings
Ranking Based On Selection :18
Prasun Kumar Gupta
Nighttime lights
Hydrological Modeling
Open Source GIS
Geospatial Modeling
Distance Learning
Metrics
H-Index
i10 Index
Citation
18
25
938
* Rankings
Ranking Based On Selection :19
Sameer Saran
3D GIS
Health GIS
Distributed GIS
MCDM and SDSS
Metrics
H-Index
i10 Index
Citation
18
30
2,094
* Rankings
Ranking Based On Selection :20
Rs Chatterjee
Remote Sensing Applications in Geology & Mining
Microwave & Thermal Remote Sensing
Land Subsidence & Active Tectonics
Metrics
H-Index
i10 Index
Citation
17
32
1,337
* Rankings
Ranking Based On Selection :21
Suresh Kannaujiya
Geodynamics
Geohazards
Groundwater
Geophysical Prospecting
Geospatial Technology
Metrics
H-Index
i10 Index
Citation
16
27
1,052
* Rankings
Ranking Based On Selection :23
Harish Chandra Karnatak
Geoinformatics
SDSS
Open source GIS
Web and distributed GIS
e-learning
Metrics
H-Index
i10 Index
Citation
16
22
1,337
* Rankings
Ranking Based On Selection :24
Anil Kumar
Machine/Deep Learning for Soft Computing
Temporal Data Procesing
DIgital Photogrammetry
GPS
LiDAR
Metrics
H-Index
i10 Index
Citation
16
35
1,118
* Rankings
Ranking Based On Selection :25
Charu Singh
Atmopsheric Sciences
Metrics
H-Index
i10 Index
Citation
15
20
797
* Rankings
Ranking Based On Selection :26
Dipanwita Haldar
SAR Remote Sensing
polarimetry
crop monitoring and assessment
synergistic use of SAR and optical
Metrics
H-Index
i10 Index
Citation
14
22
647
* Rankings
Ranking Based On Selection :27
Ashutosh Bhardwaj
Photogrammetry
GNSS
Remote Sensing
InSAR
Terrain Modeling
Metrics
H-Index
i10 Index
Citation
14
20
686
* Rankings
Ranking Based On Selection :28
Kshama Gupta
Urban micro climate
Remote sensing
3D modeling
LiDAR
Urban Green Spaces
Metrics
H-Index
i10 Index
Citation
12
16
1,149
* Rankings
Ranking Based On Selection :30
Taibanganba Watham
Carbon
Eddy Covariance
Biomass
Remote Sensing
Metrics
H-Index
i10 Index
Citation
11
13
386
Vinay Kumar
Hyperspectral and Microwave Remote Sensing
Metrics
H-Index
i10 Index
Citation
8
7
326
Sanjiv Kumar Sinha
Remote Sensing & Plant physiology
Metrics
H-Index
i10 Index
Citation
7
7
219
Hari Shankar Gangwar
SAR Data Processing
Polarimetric SAR Interferometry
Land Surface Deformation
Transportation GIS
Metrics
H-Index
i10 Index
Citation
7
6
156
Ashutosh Kumar Jha
Geosimulation
Parallel Processing
HPC
AI ML DL
Remote sensing
Metrics
H-Index
i10 Index
Citation
6
5
347
Pavan Sharma
Microwave remote sensing
Metrics
H-Index
i10 Index
Citation
6
2
111
J Malleswara Rao
Remote Sensing Data Processing
Metrics
H-Index
i10 Index
Citation
6
4
98
Pooja Jindal
Atmospheric sciences
retrieval of ozone
fog retrieval from satellite observations
Metrics
H-Index
i10 Index
Citation
6
2
90
Shweta Pokhariyal
Agrometeorology
Micrometeorology
Drought Prediction
Carbon Sequestration
Climate Change
Metrics
H-Index
i10 Index
Citation
5
3
91
Vishal Sharma
Hydro-logical Modelling
Climate Change
Machine Learning
Deep Learning
Snow Modelling
Metrics
H-Index
i10 Index
Citation
4
2
68
Amrapali Tiwari
Conservation Biology
Wildlife
Remote Sensing GIS
Metrics
H-Index
i10 Index
Citation
2
1
31
Sanjay Kumar Dwivedi
Hydrological modelling
Ecological modelling
Remote sensing based disaster management
Metrics
H-Index
i10 Index
Citation
2
1
22
Vandita S
Geoinformatics
Automatic Information Extraction from RS Images
Geoinformation Management
Spatio -temporal modelling & visuali
Metrics
H-Index
i10 Index
Citation
2
0
14
Shailja Mamgain
Ecology & Environment
Forestry
Geo-informatics
Remote Sensing & GIS
Disaster Management
Metrics
H-Index
i10 Index
Citation
2
0
12
Rankings
Ranking Based On Selection: 1
Sps Kushwaha
Metrics
H-Index
i10 Index
Citation Counts
41
104
6,123
Ecology
Forest Geoinformatics
Species Distribution Modeling
Carbon Flux Monitoring using Eddy Covariance Technique and Tall T
Rankings
Ranking Based On Selection: 2
Anil Kumar
Metrics
H-Index
i10 Index
Citation Counts
38
185
8,816
Soft Computing
Remote Sensing
Hyper-Spectral
LiDAR
GPS
Rankings
Ranking Based On Selection: 3
Pk Champati Ray
Metrics
H-Index
i10 Index
Citation Counts
32
86
3,559
Rankings
Ranking Based On Selection: 4
Praveen K. Thakur
Metrics
H-Index
i10 Index
Citation Counts
30
77
3,496
Water Resources and Hydrology
Cryosphere
Urban Water
Remote Sensing and GIS
Planetary Water and Ice
Rankings
Ranking Based On Selection: 5
Sp Aggarwal
Metrics
H-Index
i10 Index
Citation Counts
30
72
3,515
Remote sensing and GIS applications in water resources
Rankings
Ranking Based On Selection: 6
Patel Nr
Metrics
H-Index
i10 Index
Citation Counts
29
75
4,003
satellite agrometeorology
crop monitoring and terrestrial ecosystem processes and climate change
Rankings
Ranking Based On Selection: 7
Subrata Nandy
Metrics
H-Index
i10 Index
Citation Counts
27
54
2,803
Forest Ecology
LiDAR Remote Sensing
Forest Biomass
Forest productivity
Rankings
Ranking Based On Selection: 8
Pradip K Pal
Metrics
H-Index
i10 Index
Citation Counts
27
88
2,505
Satellite data retrieval and assimilation
Rankings
Ranking Based On Selection: 9
Debashis Mitra
Metrics
H-Index
i10 Index
Citation Counts
26
56
2,717
Remote sensing and GIS
Coastal Geology
Coastal Hazards
Rankings
Ranking Based On Selection: 10
Vaibhav Garg
Metrics
H-Index
i10 Index
Citation Counts
26
48
2,017
Hydrological modelling
application of softcomputing techniques in water resources
application of remote sensing in hydrology
Rankings
Ranking Based On Selection: 11
Arijit Roy
Metrics
H-Index
i10 Index
Citation Counts
24
39
2,101
Ecology
Ecological Modelling
Remote Sensing
GIS
Climate Change
Rankings
Ranking Based On Selection: 12
Yogesh Kant
Metrics
H-Index
i10 Index
Citation Counts
24
42
2,382
Thermal remote sensing
Land surface processes
urban thermal environment
aerosol characterization
Rankings
Ranking Based On Selection: 13
Hari Shanker Srivastava
Metrics
H-Index
i10 Index
Citation Counts
24
40
1,863
Microwave Remote Sensing for Various Land Resources
Rankings
Ranking Based On Selection: 14
Hitendra Padalia
Metrics
H-Index
i10 Index
Citation Counts
23
39
2,303
Forest Carbon Cycle & Biodiversity
Imaging Spectroscopy
Fluorescence and Microwave Remote Sensing
Rankings
Ranking Based On Selection: 15
Bhaskar R. Nikam
Metrics
H-Index
i10 Index
Citation Counts
22
40
1,437
Water Resources Management
Irrigation Water Managament
Hydrological Modeling
Soil Erosion Modeling
Rankings
Ranking Based On Selection: 16
Shashi Kumar
Metrics
H-Index
i10 Index
Citation Counts
20
49
1,547
SAR Polarimetry
Hybrid Polarimetry
Polarimetric SAR Interferometry
SAR Tomography
Rankings
Ranking Based On Selection: 17
Cm Bhatt
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,418
Floods and Fluvial Geomorphology
Rankings
Ranking Based On Selection: 18
Prasun Kumar Gupta
Metrics
H-Index
i10 Index
Citation Counts
18
25
938
Nighttime lights
Hydrological Modeling
Open Source GIS
Geospatial Modeling
Distance Learning
Rankings
Ranking Based On Selection: 19
Sameer Saran
Metrics
H-Index
i10 Index
Citation Counts
18
30
2,094
3D GIS
Health GIS
Distributed GIS
MCDM and SDSS
Rankings
Ranking Based On Selection: 20
Rs Chatterjee
Metrics
H-Index
i10 Index
Citation Counts
17
32
1,337
Remote Sensing Applications in Geology & Mining
Microwave & Thermal Remote Sensing
Land Subsidence & Active Tectonics
Rankings
Ranking Based On Selection: 21
Suresh Kannaujiya
Metrics
H-Index
i10 Index
Citation Counts
16
27
1,052
Geodynamics
Geohazards
Groundwater
Geophysical Prospecting
Geospatial Technology
Rankings
Ranking Based On Selection: 22
Sandeep Maithani
Metrics
H-Index
i10 Index
Citation Counts
16
22
1,443
Rankings
Ranking Based On Selection: 23
Harish Chandra Karnatak
Metrics
H-Index
i10 Index
Citation Counts
16
22
1,337
Geoinformatics
SDSS
Open source GIS
Web and distributed GIS
e-learning
Rankings
Ranking Based On Selection: 24
Anil Kumar
Metrics
H-Index
i10 Index
Citation Counts
16
35
1,118
Machine/Deep Learning for Soft Computing
Temporal Data Procesing
DIgital Photogrammetry
GPS
LiDAR
Rankings
Ranking Based On Selection: 25
Charu Singh
Metrics
H-Index
i10 Index
Citation Counts
15
20
797
Rankings
Ranking Based On Selection: 26
Dipanwita Haldar
Metrics
H-Index
i10 Index
Citation Counts
14
22
647
SAR Remote Sensing
polarimetry
crop monitoring and assessment
synergistic use of SAR and optical
Rankings
Ranking Based On Selection: 27
Ashutosh Bhardwaj
Metrics
H-Index
i10 Index
Citation Counts
14
20
686
Photogrammetry
GNSS
Remote Sensing
InSAR
Terrain Modeling
Rankings
Ranking Based On Selection: 28
Kshama Gupta
Metrics
H-Index
i10 Index
Citation Counts
12
16
1,149
Urban micro climate
Remote sensing
3D modeling
LiDAR
Urban Green Spaces
Rankings
Ranking Based On Selection: 29
Pratima Pandey
Metrics
H-Index
i10 Index
Citation Counts
12
16
601
Rankings
Ranking Based On Selection: 30
Taibanganba Watham
Metrics
H-Index
i10 Index
Citation Counts
11
13
386
Carbon
Eddy Covariance
Biomass
Remote Sensing
Rankings
Ranking Based On Selection: 31
Vinay Kumar
Metrics
H-Index
i10 Index
Citation Counts
8
7
326
Hyperspectral and Microwave Remote Sensing
Rankings
Ranking Based On Selection: 32
Sanjiv Kumar Sinha
Metrics
H-Index
i10 Index
Citation Counts
7
7
219
Remote Sensing & Plant physiology
Rankings
Ranking Based On Selection: 33
Hari Shankar Gangwar
Metrics
H-Index
i10 Index
Citation Counts
7
6
156
SAR Data Processing
Polarimetric SAR Interferometry
Land Surface Deformation
Transportation GIS
Rankings
Ranking Based On Selection: 34
Ashutosh Kumar Jha
Metrics
H-Index
i10 Index
Citation Counts
6
5
347
Geosimulation
Parallel Processing
HPC
AI ML DL
Remote sensing
Rankings
Ranking Based On Selection: 35
Pavan Sharma
Metrics
H-Index
i10 Index
Citation Counts
6
2
111
Microwave remote sensing
Rankings
Ranking Based On Selection: 36
J Malleswara Rao
Metrics
H-Index
i10 Index
Citation Counts
6
4
98
Remote Sensing Data Processing
Rankings
Ranking Based On Selection: 37
Pooja Jindal
Metrics
H-Index
i10 Index
Citation Counts
6
2
90
Atmospheric sciences
retrieval of ozone
fog retrieval from satellite observations
Rankings
Ranking Based On Selection: 38
Shweta Pokhariyal
Metrics
H-Index
i10 Index
Citation Counts
5
3
91
Agrometeorology
Micrometeorology
Drought Prediction
Carbon Sequestration
Climate Change
Rankings
Ranking Based On Selection: 39
Shiva Reddy Koti
Metrics
H-Index
i10 Index
Citation Counts
5
2
93
Rankings
Ranking Based On Selection: 40
Vishal Sharma
Metrics
H-Index
i10 Index
Citation Counts
4
2
68
Hydro-logical Modelling
Climate Change
Machine Learning
Deep Learning
Snow Modelling
Rankings
Ranking Based On Selection: 41
Sandeep Kumar Gupta
Metrics
H-Index
i10 Index
Citation Counts
2
1
38
Rankings
Ranking Based On Selection: 42
Amrapali Tiwari
Metrics
H-Index
i10 Index
Citation Counts
2
1
31
Conservation Biology
Wildlife
Remote Sensing GIS
Rankings
Ranking Based On Selection: 43
Sanjay Kumar Dwivedi
Metrics
H-Index
i10 Index
Citation Counts
2
1
22
Hydrological modelling
Ecological modelling
Remote sensing based disaster management
Rankings
Ranking Based On Selection: 44
Vandita S
Metrics
H-Index
i10 Index
Citation Counts
2
0
14
Geoinformatics
Automatic Information Extraction from RS Images
Geoinformation Management
Spatio -temporal modelling & visuali
Rankings
Ranking Based On Selection: 45
Shailja Mamgain
Metrics
H-Index
i10 Index
Citation Counts
2
0
12
Ecology & Environment
Forestry
Geo-informatics
Remote Sensing & GIS
Disaster Management
Rankings
Ranking Based On Selection: 46
Esha Semwal
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 47
Chandan Grover
Metrics
H-Index
i10 Index
Citation Counts
1
0
2