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
Water Treatment
Environmental Science
Environmental Chemistry
Environmental Health
Environmental
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,960
23,645
0.514
* Total Citation Counts Rankings
Ranking Based On Selection: 2
water
hydrology
soil
modeling
remote sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,334
4,520
0.399
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Environmental science
Ecology
Marine science
Biological oceanography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,471
3,258
0.311
* Total Citation Counts Rankings
Ranking Based On Selection: 4
water treatment
urban aerosols
Saharan dust
electrocoagulation
membrane filtration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,664
3,155
0.364
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Desalination
water treatment
environmental engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,422
8,218
0.976
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Water-Energy-Food Security
WEF Nexus
Hydrology
Pedostructure
Science to Policy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,331
3,423
0.541
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Pollen
forensics
coprolites
paleoenvironmental studies
archaeololgy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,298
1,682
0.267
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Bioprocess development Protein purification Process design and economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,216
1,174
0.189
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Energy
air quality
waste management and machinery design and development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,815
3,216
0.553
* Total Citation Counts Rankings
Ranking Based On Selection: 10
water
water governance
water insecurity
water security
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,597
4,415
0.960
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Environmental Sociology
Disaster
Emergency Management
Social Capital
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,388
3,345
0.762
* Total Citation Counts Rankings
Ranking Based On Selection: 12
environmental engineering
chemical engineering
bioengineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,300
3,255
0.757
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,067
629
0.155
* Total Citation Counts Rankings
Ranking Based On Selection: 14
solar power generation
photovoltaic soiling mitigation
dust
air quality
aerosol
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,890
1,927
0.495
* Total Citation Counts Rankings
Ranking Based On Selection: 15
water resource economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,623
535
0.148
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Water Resources
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,378
1,910
0.565
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Modelling of Transport and Reacting Phenomena (Air Quality
Risk Assessment
Solar Thermochemical)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,273
1,829
0.559
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Disaster Adaptation
Infrastructure Equity
Digital Twins
Resilience
Environmental Justice
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,493
2,433
0.976
* Total Citation Counts Rankings
Ranking Based On Selection: 19
WEF Nexus
Decision Support Tools
Stakeholder Engagement
Collective Action
Governance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,217
1,662
0.750
* Total Citation Counts Rankings
Ranking Based On Selection: 20
ice nucleation
climate
aerosol
cloud
freezing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,019
1,029
0.510
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Environmental Science
Atmospheric Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,921
1,029
0.536
* Total Citation Counts Rankings
Ranking Based On Selection: 22
environmental health
air pollution
asthma
water
children health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,796
1,182
0.658
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Water Resources
Hydrology
Geospatial Analysis
Infrastructure Resilience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,764
944
0.535
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Water Resources
Environmental Restoration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,751
330
0.188
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Geospatial Data Science
Human Dynamics
Disaster Resilience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,430
1,217
0.851
Virender Sharma
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,960
23,645
0.514
Water Treatment
Environmental Science
Environmental Chemistry
Environmental Health
Environmental
Mohanty Binayak P
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,334
4,520
0.399
water
hydrology
soil
modeling
remote sensing
Paul Montagna
Texas A&M University Corpus Christi
Corpus Christi, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,471
3,258
0.311
Environmental science
Ecology
Marine science
Biological oceanography
Shankar Chellam
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,664
3,155
0.364
water treatment
urban aerosols
Saharan dust
electrocoagulation
membrane filtration
Khaled Elsaid
Texas A&M University at Qatar
Ar-Rayyan, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,422
8,218
0.976
Desalination
water treatment
environmental engineering
Rabi Mohtar
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,331
3,423
0.541
Water-Energy-Food Security
WEF Nexus
Hydrology
Pedostructure
Science to Policy
Vaughn Bryant
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,298
1,682
0.267
Pollen
forensics
coprolites
paleoenvironmental studies
archaeololgy
Zivko L Nikolov
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,216
1,174
0.189
Bioprocess development Protein purification Process design and economics
Sergio Capareda
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,815
3,216
0.553
Energy
air quality
waste management and machinery design and development
Hwise Rcn
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,597
4,415
0.960
water
water governance
water insecurity
water security
Michelle Annette Meyer
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,388
3,345
0.762
Environmental Sociology
Disaster
Emergency Management
Social Capital
Eunsung Kan
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,300
3,255
0.757
environmental engineering
chemical engineering
bioengineering
James L Heilman
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,067
629
0.155
Bing Guo
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,890
1,927
0.495
solar power generation
photovoltaic soiling mitigation
dust
air quality
aerosol
Ron Griffin
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,623
535
0.148
water resource economics
Walter Den
Texas A&M University San Antonio
San Antonio, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,378
1,910
0.565
Konstantinos E Kakosimos
Texas A&M University at Qatar
Ar-Rayyan, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,273
1,829
0.559
Modelling of Transport and Reacting Phenomena (Air Quality
Risk Assessment
Solar Thermochemical)
Chao Fan
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,493
2,433
0.976
Disaster Adaptation
Infrastructure Equity
Digital Twins
Resilience
Environmental Justice
Bassel Daher
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,217
1,662
0.750
WEF Nexus
Decision Support Tools
Stakeholder Engagement
Collective Action
Governance
Naruki Hiranuma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,019
1,029
0.510
ice nucleation
climate
aerosol
cloud
freezing
Erik Crosman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,921
1,029
0.536
Environmental Science
Atmospheric Science
Genny Carrillo
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,796
1,182
0.658
environmental health
air pollution
asthma
water
children health
Hua Zhang
Texas A&M University Corpus Christi
Corpus Christi, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,764
944
0.535
Water Resources
Hydrology
Geospatial Analysis
Infrastructure Resilience
John Tracy
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,751
330
0.188
Water Resources
Environmental Restoration
Heng Cai
Texas A&M University
College Station, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,430
1,217
0.851
Geospatial Data Science
Human Dynamics
Disaster Resilience