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 Jan 02, 2026, 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 (1.131.752) 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
Hydrology | Climate Change | Hydroclimatology | Hydrometeorology | Atmospheric Science
H-Index Metrics
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H-Index46
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i10 Index93
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Citation Counts18,317
Rankings
Climatología | Predicción Climática | ORCID iD: https://orcid.org/0000-0001-9278-501
H-Index Metrics
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H-Index44
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i10 Index111
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Citation Counts9,646
Rankings
Water splitting | electrochemistry | catalysi
H-Index Metrics
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H-Index17
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i10 Index20
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Citation Counts1,820
Rankings
Waste Management | Construction Waste Minimization | Sanitation | Marine Litte
H-Index Metrics
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H-Index14
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i10 Index18
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Citation Counts3,830
Rankings
Climate variability | climate change | regional climate modelin
H-Index Metrics
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H-Index11
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i10 Index12
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Citation Counts976
Rankings
Environmental chemistry | oceanography | marine chemistr
H-Index Metrics
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H-Index11
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i10 Index11
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Citation Counts762
Rankings
Rankings
Agronomy I Soil Science I Land Managemen
H-Index Metrics
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H-Index10
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i10 Index12
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Citation Counts302
Rankings
Water Resources | Data Science | Climate Change | Geomatic
H-Index Metrics
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H-Index9
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i10 Index8
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Citation Counts459
Rankings
Ambiente | salud ambiental | epidemiología | epidemiología ambiental | evaluación de riesgo
H-Index Metrics
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H-Index7
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i10 Index5
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Citation Counts143
Rankings
sanitation | waste water treatment | solid waste | climate chang
H-Index Metrics
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H-Index7
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i10 Index5
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Citation Counts113
Rankings
Environment monitoring | Water Quality | Ecotoxicology | Biomonitoring | Environment healt
H-Index Metrics
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H-Index6
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i10 Index6
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Citation Counts326
Rankings
Environmental Engineering | Wastewater Treatment | anaerobic co digestionAnaerobic Treatment Technologysolid waste managemen
H-Index Metrics
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H-Index2
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i10 Index0
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Citation Counts19
Rankings
Environmental Sciences | Soil Sciences | Management of watershed | Waste management | Chemical Enginee
H-Index Metrics
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H-Index2
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i10 Index0
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Citation Counts15
Rankings
Rankings
Rankings
Chemical Engineering | Environmental Engineering and Management | Environmental Impact Assesment | Fire Dynamic
H-Index Metrics
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H-Index1
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i10 Index0
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Citation Counts3
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