Citation Rankings
Highly Cited Researchers
Engineering & Technology / Environmental Science & Engineering Highly Cited Researchers 28 Scientists Citation Rankings - 2025
The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Air Pollution
Watertreatment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,350
2,213
0.509
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Dendrochronology
Treeline
Himalaya
Climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,401
2,056
0.605
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Freshwater Pollution
Freshwater Fisheries
Ecotoxicology
Natural Resource Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,196
1,419
0.646
* Total Citation Counts Rankings
Ranking Based On Selection: 4
botany
Ecology
environmental science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,369
405
0.296
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Water Resources Engineering and hydrological modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,285
814
0.633
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Climate change
vegetation dynamics
ecosystem services
ecological drought
Urban Heat Island
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
784
749
0.955
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Environmental Geomatics
Climate
Land
Water
Environment Policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
579
568
0.981
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Land-use change
carbon sequestration
soil fertility
climate change. water resources
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
510
411
0.806
* Total Citation Counts Rankings
Ranking Based On Selection: 9
COVID-19
Climate change
Globalization
Gender Minorities
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
412
411
0.998
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Through advanced, institution-specific analytics and benchmarking, gain data-driven strategic insights into your academic performance, global standing, and competitive strengths. Compare your institution with 20 similarly ranked institutions at city, country, regional, and global levels, as well as with those in similar standings across 13 subjects, to uncover your institution’s strengths. More Info
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Air Pollution
Portable Emissions Measurement System
Vehicle Emissions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
398
384
0.965
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Climate change
flood
drought
glacier melt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
369
331
0.897
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Atmospheric and Environmental Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
338
140
0.414
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Climate change
migration
livelihoods
sustainable development
multi-disciplinary research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
178
177
0.994
* Total Citation Counts Rankings
Ranking Based On Selection: 14
GIS and Remote sensing
Climate change
Disaster Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
120
120
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Microplastics
Waste recycling
Vermicomposting
Composting
Water treatment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79
71
0.899
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Environmental Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
63
0.984
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Economics
System Dynamics
Sustainable Development
Behavioral Economics
Climate Change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63
59
0.937
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Lepidoptera
Ecology
Climate Change
Phenology
Insect-Plant Int
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53
53
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 19
River
Wetland
Environmental Assessment
WASH
Climate Change Adaptation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Plant Ecology
Community and Population Ecology
Biodiversity conservation
Invasive species
Climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
48
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Crop Production and Climate Change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47
45
0.957
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Geography of Himalaya
Geomorphology
GIS/RS
Soil Erosion
Climate Change and Adaptation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46
39
0.848
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Environmental Engineering
Electrochemistry
Ananytical chemistry
Materials Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 24
NTFPs
Natural resource conservation
Forest management
Climate change
Invasive species
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Disaster Risk Reduction/Management
Environment
Social Inclusion
Food Security
Climate Change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10
5
0.500
* Total Citation Counts Rankings
Rankings
238,326
26
10
Ranking Based On Selection: 1
Ram K Sharma
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,350
2,213
0.509
Air Pollution
Watertreatment
* Total Citation Counts Rankings
Rankings
301,555
44
22
Ranking Based On Selection: 2
Narayan Gaire
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,401
2,056
0.605
Dendrochronology
Treeline
Himalaya
Climate change
* Total Citation Counts Rankings
Rankings
423,418
74
32
Ranking Based On Selection: 3
Chhatra Mani Sharma
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,196
1,419
0.646
Freshwater Pollution
Freshwater Fisheries
Ecotoxicology
Natural Resource Management
* Total Citation Counts Rankings
Rankings
579,342
123
47
Ranking Based On Selection: 4
Mukesh Chettri
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,369
405
0.296
botany
Ecology
environmental science
* Total Citation Counts Rankings
Rankings
603,021
128
52
Ranking Based On Selection: 5
Narendra Man Shakya
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,285
814
0.633
Water Resources Engineering and hydrological modelling
* Total Citation Counts Rankings
Rankings
796,023
209
84
Ranking Based On Selection: 6
Binod Baniya
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
784
749
0.955
Climate change
vegetation dynamics
ecosystem services
ecological drought
Urban Heat Island
* Total Citation Counts Rankings
Rankings
895,589
267
106
Ranking Based On Selection: 7
Raju Chauhan
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
579
568
0.981
Environmental Geomatics
Climate
Land
Water
Environment Policy
* Total Citation Counts Rankings
Rankings
929,579
287
113
Ranking Based On Selection: 8
Menuka Maharjan
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
510
411
0.806
Land-use change
carbon sequestration
soil fertility
climate change. water resources
* Total Citation Counts Rankings
Rankings
1,023,653
344
138
Ranking Based On Selection: 9
Netra Kumar Ojha
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
412
411
0.998
COVID-19
Climate change
Globalization
Gender Minorities
* Total Citation Counts Rankings
Rankings
1,025,718
347
139
Ranking Based On Selection: 10
Narayan Babu Dhital
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
398
384
0.965
Air Pollution
Portable Emissions Measurement System
Vehicle Emissions
360° Institutional Performance & Benchmarking Click Here for Live Demo
Through advanced, institution-specific analytics and benchmarking, gain data-driven strategic insights into your academic performance, global standing, and competitive strengths. Compare your institution with 20 similarly ranked institutions at city, country, regional, and global levels, as well as with those in similar standings across 13 subjects, to uncover your institution’s strengths. More Info
* Total Citation Counts Rankings
Rankings
1,071,003
373
146
Ranking Based On Selection: 11
Ttirtha Raj Adhikari
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
369
331
0.897
Climate change
flood
drought
glacier melt
* Total Citation Counts Rankings
Rankings
1,092,997
397
153
Ranking Based On Selection: 12
Ram P. Regmi|RP Regmi
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
338
140
0.414
Atmospheric and Environmental Science
* Total Citation Counts Rankings
Rankings
1,397,889
611
230
Ranking Based On Selection: 13
Bishnu Bahadur Khatri
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
178
177
0.994
Climate change
migration
livelihoods
sustainable development
multi-disciplinary research
* Total Citation Counts Rankings
Rankings
1,644,590
798
289
Ranking Based On Selection: 14
Lalit Pathak
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
120
120
1.000
GIS and Remote sensing
Climate change
Disaster Management
* Total Citation Counts Rankings
Rankings
1,758,187
885
316
Ranking Based On Selection: 15
Kishor Kumar Maharjan
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79
71
0.899
Microplastics
Waste recycling
Vermicomposting
Composting
Water treatment
* Total Citation Counts Rankings
Rankings
1,795,798
910
321
Ranking Based On Selection: 16
Basanta Dahal
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64
63
0.984
* Total Citation Counts Rankings
Rankings
1,844,622
949
334
Ranking Based On Selection: 17
Nabaraj Gautam
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63
59
0.937
Economics
System Dynamics
Sustainable Development
Behavioral Economics
Climate Change
* Total Citation Counts Rankings
Rankings
1,888,227
998
353
Ranking Based On Selection: 18
Bimal Raj Shrestha
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53
53
1.000
Lepidoptera
Ecology
Climate Change
Phenology
Insect-Plant Int
* Total Citation Counts Rankings
Rankings
1,901,290
1,011
359
Ranking Based On Selection: 19
Rabin Bastola
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
River
Wetland
Environmental Assessment
WASH
Climate Change Adaptation
* Total Citation Counts Rankings
Rankings
1,922,365
1,040
373
Ranking Based On Selection: 20
Satyam Kumar Chaudhari
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
48
1.000
Plant Ecology
Community and Population Ecology
Biodiversity conservation
Invasive species
Climate change
* Total Citation Counts Rankings
Rankings
1,924,007
1,043
375
Ranking Based On Selection: 21
Achyut Gaire
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47
45
0.957
Crop Production and Climate Change
* Total Citation Counts Rankings
Rankings
1,932,136
1,049
378
Ranking Based On Selection: 22
Sher Bahadur Gurung
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46
39
0.848
Geography of Himalaya
Geomorphology
GIS/RS
Soil Erosion
Climate Change and Adaptation
* Total Citation Counts Rankings
Rankings
2,162,210
1,307
477
Ranking Based On Selection: 23
Madhav Kharel
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21
21
1.000
Environmental Engineering
Electrochemistry
Ananytical chemistry
Materials Science
* Total Citation Counts Rankings
Rankings
2,186,349
1,334
495
Ranking Based On Selection: 24
Swastika Acharya
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
NTFPs
Natural resource conservation
Forest management
Climate change
Invasive species
* Total Citation Counts Rankings
Rankings
2,265,771
1,446
541
Ranking Based On Selection: 25
Raj Kumar Pariyar
Tribhuvan University
Kathmandu, Nepal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10
5
0.500
Disaster Risk Reduction/Management
Environment
Social Inclusion
Food Security
Climate Change
