The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Dec 31, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.755) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
Rankings
Disaster Risk Management | Disaster Risk Reduction | Climate Change Adaptation | Seismic Hazard | Earthquake Engineerin
H-Index Metrics
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H-Index75
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i10 Index169
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Citation Counts45,846
Rankings
Environmental Sciencies | Biodiversity | Natural Product
H-Index Metrics
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H-Index57
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i10 Index185
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Citation Counts13,416
Rankings
Climate Dynamics | Climate Change | Climate Variabilit
H-Index Metrics
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H-Index41
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i10 Index76
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Citation Counts28,815
Rankings
Energy | Climate Change | Modelling | Decision
H-Index Metrics
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H-Index31
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i10 Index65
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Citation Counts2,883
Rankings
Articulos | Proyectos de Investigacion | Tesi
H-Index Metrics
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H-Index31
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i10 Index92
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Citation Counts5,454
Rankings
Environmental Sciences / Environmental Chemistry and Toxicology / Chemometrics / Analytical Chemistry / Inorganic Chemistr
H-Index Metrics
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H-Index30
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i10 Index38
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Citation Counts4,462
Rankings
Air quality | particulate matter | emission inventorie
H-Index Metrics
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H-Index29
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i10 Index54
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Citation Counts2,717
Rankings
Ambientes de aprendizaje basados en computador | autorregulación del aprendizaje | diferencias individuale
H-Index Metrics
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H-Index27
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i10 Index37
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Citation Counts2,197
Rankings
Environmental Engineering | Environmental Chemistry | Circular Economy | Contaminants | QuEChER
H-Index Metrics
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H-Index25
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i10 Index36
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Citation Counts2,865
Rankings
Epidemiology | Plant Pathology | Tropical Crops | Variability and Climate Change | Agriculture 4.0
H-Index Metrics
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H-Index24
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i10 Index48
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Citation Counts1,561
Rankings
climate change | paleoecology | paleoclimate | northern South Americ
H-Index Metrics
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H-Index24
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i10 Index34
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Citation Counts1,922
Rankings
Medio ambiente | Movilidad | Sostenibilidad | Educación vocaciona
H-Index Metrics
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H-Index24
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i10 Index36
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Citation Counts1,909
Rankings
Rankings
Bioethics | Ecotechnology | Social Ecolog
H-Index Metrics
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H-Index23
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i10 Index41
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Citation Counts2,132
Rankings
Rankings
Tratamiento de aguas | colorantes | residuos sólidos y peligrosos | química ambienta
H-Index Metrics
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H-Index22
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i10 Index36
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Citation Counts1,911
Rankings
Rankings
Ingenieria Ambiental | Medio Ambiente | Energias Alternativas | Ingenieria Civi
H-Index Metrics
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H-Index20
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i10 Index31
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Citation Counts1,441
Rankings
applied math | adsorption technologies | anaerobic digestion | lignocellulosic pretreatment | bioga
H-Index Metrics
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H-Index19
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i10 Index26
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Citation Counts1,525
Rankings
Ingeniería Ambiental | Salud Ambiental | Salud Pública | Higiene Industrial | Contaminación del Air
H-Index Metrics
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H-Index18
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i10 Index27
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Citation Counts1,042
Rankings
environmental protection | anaerobic digestion | energy and nutrients recover | waste treatment | air pollutio
H-Index Metrics
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H-Index18
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i10 Index24
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Citation Counts1,027
Rankings
Ingeniería ambiental | energías renovable
H-Index Metrics
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H-Index17
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i10 Index21
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Citation Counts2,733
Rankings
Hydrology | Mathematical Modelling | Climate Change | Scientific Ptogramming | Pytho
H-Index Metrics
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H-Index16
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i10 Index25
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Citation Counts1,237
Rankings
Climate Change | Cambio Climatico | Global Environmental Governance | Estudios Latinoamericano
H-Index Metrics
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H-Index15
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i10 Index20
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Citation Counts1,113
Rankings
Air Quality Management | Urban Sustainability | Climate Change Mitigation | Public Polic
H-Index Metrics
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H-Index14
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i10 Index19
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Citation Counts708
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