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
Environmental Chemistry and Ecotoxicology
Science Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,801
3,676
0.418
* Total Citation Counts Rankings
Ranking Based On Selection: 2
climate change
disaster risk management
community-based natural resource management
natural resources policy and governance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,934
2,479
0.358
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Water Science
Water Management
Agricultural Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,481
1,743
0.501
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Hazardous Waste Management
POPs Management
electronic waste
health impact assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,244
2,644
0.815
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Environmental Science
Geography
Social impact assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,980
1,139
0.382
* Total Citation Counts Rankings
Ranking Based On Selection: 6
membrane
environmental engineering
catalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,878
1,192
0.414
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Air Quality
Atmospheric Chemistry
Instrumentation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,591
1,076
0.415
* Total Citation Counts Rankings
Ranking Based On Selection: 8
environmental statistics
climate change
statistical hydrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,275
990
0.435
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Soil Science & plant nutrition
Environmental pollution
soil degradation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,604
1,372
0.855
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Biofuel
Bioenergy
Wastewater
Adsorption
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,246
1,002
0.804
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Hydrology
Agricultural engineering
Systems dynamics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,201
189
0.157
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Marine mammal science and environmental science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,180
440
0.373
* Total Citation Counts Rankings
Ranking Based On Selection: 13
geophysics
tectonics
coastal sedimentology
environmental geology
geohazards
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,122
624
0.556
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Coastal Marine Ecology
Seagrass Ecology
Mangrove Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,094
497
0.454
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Disaster Risk Reduction
Climate Change Adaptation
Development Planning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,061
656
0.618
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,050
524
0.499
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Environmental Engineering
Resource recovery
Wastewater treatment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,004
887
0.883
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Climate change
Agriculture
crop modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
880
674
0.766
* Total Citation Counts Rankings
Ranking Based On Selection: 19
environmental processes
wastewater treatment
diagnostics
materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
816
505
0.619
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Disaster Risk Management
Climate Change Adaptation
Nature-based Solutions
Displacement and Migration
Indigenous Knowledge
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
609
293
0.481
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Water Resources
Civil Engineering
Hydrology
Agricultural Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
607
174
0.287
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Climate change
adaptation
sustainability
resilience
small islands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
549
460
0.838
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Biomass to energy conversion
water and wastewater engineering
Environmental Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
534
483
0.904
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Environmental Science
Educational Administration
Business Management and Public Administration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
434
327
0.753
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Environmental and Materials Science and Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
424
405
0.955
Maricar Prudente
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,801
3,676
0.418
Environmental Chemistry and Ecotoxicology
Science Education
Juan Pulhin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,934
2,479
0.358
climate change
disaster risk management
community-based natural resource management
natural resources policy and governance
Rubenito Lampayan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,481
1,743
0.501
Water Science
Water Management
Agricultural Engineering
Florencio Ballesteros Jr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,244
2,644
0.815
Hazardous Waste Management
POPs Management
electronic waste
health impact assessment
Maria Victoria Espaldon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,980
1,139
0.382
Environmental Science
Geography
Social impact assessment
Maria Lourdes P Dalida
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,878
1,192
0.414
membrane
environmental engineering
catalysis
James Bernard B Simpas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,591
1,076
0.415
Air Quality
Atmospheric Chemistry
Instrumentation
Felino Lansigan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,275
990
0.435
environmental statistics
climate change
statistical hydrology
Ian A Navarrete
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,604
1,372
0.855
Soil Science & plant nutrition
Environmental pollution
soil degradation
Renato Ortiz Arazo
University of Science and Technology Southern Philippines USTP
Misamis Oriental, Philippines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,246
1,002
0.804
Biofuel
Bioenergy
Wastewater
Adsorption
Tolentino Moya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,201
189
0.157
Hydrology
Agricultural engineering
Systems dynamics
Lemnuel V Aragones
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,180
440
0.373
Marine mammal science and environmental science
Karlo Queano
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,122
624
0.556
geophysics
tectonics
coastal sedimentology
environmental geology
geohazards
Rene Rollon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,094
497
0.454
Coastal Marine Ecology
Seagrass Ecology
Mangrove Ecology
Jake Rom Cadag
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,061
656
0.618
Disaster Risk Reduction
Climate Change Adaptation
Development Planning
Gay Jane Perez
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,050
524
0.499
Ralf Ruffel M Abarca
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,004
887
0.883
Environmental Engineering
Resource recovery
Wastewater treatment
Sridhar Gummadi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
880
674
0.766
Climate change
Agriculture
crop modelling
Analiza Palenzuela Rollon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
816
505
0.619
environmental processes
wastewater treatment
diagnostics
materials
Noralene Uy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
609
293
0.481
Disaster Risk Management
Climate Change Adaptation
Nature-based Solutions
Displacement and Migration
Indigenous Knowledge
Patricia Ann Sanchez
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
607
174
0.287
Water Resources
Civil Engineering
Hydrology
Agricultural Engineering
Ma Laurice Jamero
Manila Observatory
Metro Manila, Philippines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
549
460
0.838
Climate change
adaptation
sustainability
resilience
small islands
Alexander Llemit Ido
University of Science and Technology Southern Philippines USTP
Misamis Oriental, Philippines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
534
483
0.904
Biomass to energy conversion
water and wastewater engineering
Environmental Engineering
David Cababaro Bueno
Columban College
Zambales, Philippines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
434
327
0.753
Environmental Science
Educational Administration
Business Management and Public Administration
Ruth Roldan Aquino
Mapua University
Metro Manila, Philippines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
424
405
0.955
Environmental and Materials Science and Engineering