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
Artificial Intelligence | Computational Intelligence | Data Science | Trustworthy A
H-Index Metrics
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H-Index196
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i10 Index841
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Citation Counts182,871
Rankings
nanoscience | nanomaterials | plasmonics | colloids | SER
H-Index Metrics
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H-Index170
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i10 Index607
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Citation Counts105,560
Rankings
microelectronics | sensors | ASIC | biomedical electronics | particle detector
H-Index Metrics
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H-Index153
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i10 Index511
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Citation Counts85,254
Rankings
aerosols | air quality | geosciences | environmental geochemistr
H-Index Metrics
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H-Index150
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i10 Index757
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Citation Counts86,916
Rankings
Rankings
Fuzzy sets | fuzzy decision making | computing with words | multiple criteria decision making | consensu
H-Index Metrics
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H-Index129
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i10 Index562
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Citation Counts78,726
Rankings
Biomass valorisation | biofuels | materials science | nanoparticle
H-Index Metrics
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H-Index122
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i10 Index739
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Citation Counts66,009
Rankings
Geoquímica ambiental | Contaminación atmosférica | Aerosoles atmosférico
H-Index Metrics
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H-Index119
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i10 Index429
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Citation Counts51,849
Rankings
Hyperspectral imaging | geoscience | remote sensing | parallel computing | GP
H-Index Metrics
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H-Index115
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i10 Index516
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Citation Counts65,828
Rankings
Rankings
Rankings
Rankings
Rankings
Rankings
Artificial intelligence | Causality | Signal and image processing | Remote sensing | Earth science
H-Index Metrics
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H-Index105
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i10 Index366
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Citation Counts52,355
Rankings
Food and Environmental Safety | Environmental Forensics | Metabolomics | Wastewater based-Epidemiolog
H-Index Metrics
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H-Index105
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i10 Index326
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Citation Counts33,266
Rankings
Rankings
Aquatic microbial ecology | ocean biogeochemistry | marine microbiology | microbial oceanograph
H-Index Metrics
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H-Index102
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i10 Index307
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Citation Counts37,091
Rankings
marine ecology | benthic ecology | ecosystem-based management | marine assessmen
H-Index Metrics
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H-Index101
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i10 Index323
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Citation Counts40,835
Rankings
micropollutants | Anaerobic treatment | Wastewater treatment | Environmental Engineerin
H-Index Metrics
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H-Index100
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i10 Index381
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Citation Counts35,415
Rankings
Environmental epidemiology | air pollution | climate change | time-series regression | meta-analysi
H-Index Metrics
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H-Index98
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i10 Index302
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Citation Counts40,278
Rankings
Computational Chemistry | Quantum Chemistry | Computational Materials Science | Heterogeneous Catalysi
H-Index Metrics
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H-Index98
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i10 Index591
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Citation Counts40,439
Rankings
Food Science | Cereals | Bakery Products | Food Ingredients | Food Qualit
H-Index Metrics
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H-Index97
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i10 Index279
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Citation Counts30,619
Rankings
Coastal Engineering | Ocean Engineering | Climate Change | Marine Renewables | Civil Engineerin
H-Index Metrics
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H-Index96
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i10 Index259
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Citation Counts42,194
Rankings
Stellar physics | asteroseismology | stellar structure and dynamics | solar-like stars | red giant
H-Index Metrics
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H-Index96
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i10 Index255
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Citation Counts35,748
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