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 03, 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
Climate change | agricultural systems | impact assessment | CSA | crop modelling..
H-Index Metrics
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H-Index81
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i10 Index219
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Citation Counts29,588
Rankings
Redox mediator | Anammox | Feammox | humus | anaerobic methane oxidatio
H-Index Metrics
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H-Index51
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i10 Index130
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Citation Counts10,293
Rankings
Rankings
Global Change | Climate Change | Environmental Radioactivity | Radiochronolog
H-Index Metrics
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H-Index49
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i10 Index199
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Citation Counts9,481
Rankings
crop physiology | agronomy | tropical agriculture | climate change | agricultur
H-Index Metrics
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H-Index47
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i10 Index77
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Citation Counts8,121
Rankings
Toxiciología | morfología | educación médic
H-Index Metrics
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H-Index44
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i10 Index137
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Citation Counts6,627
Rankings
Microbiology | Genomics | Evolutionary Genetics | Ecology | Bioinformatic
H-Index Metrics
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H-Index39
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i10 Index63
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Citation Counts6,682
Rankings
Rankings
Res. and Agr. economics | agriculture value chains | climate change | evaluation
H-Index Metrics
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H-Index37
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i10 Index141
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Citation Counts6,412
Rankings
wastewater treatment | electrocatalysis | electrochemical advanced oxidation processes | environmenta
H-Index Metrics
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H-Index35
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i10 Index43
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Citation Counts3,975
Rankings
One health | Sustainable bioprocess | Yeasts | Bio-fuels-materials | Nanobiotechnolg
H-Index Metrics
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H-Index35
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i10 Index62
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Citation Counts3,423
Rankings
Environmental Engineering Electrochemistry and Water Treatmen
H-Index Metrics
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H-Index35
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i10 Index74
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Citation Counts3,788
Rankings
Inhalation toxicology | Environmental Toxicology | and advanced materials toxicolog
H-Index Metrics
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H-Index34
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i10 Index51
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Citation Counts4,215
Rankings
Climate change policy | Poverty and inequality | Adoption and Impact analysi
H-Index Metrics
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H-Index33
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i10 Index52
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Citation Counts5,081
Rankings
Air pollution | soil pollution | environmental catalysis | pollution chemistr
H-Index Metrics
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H-Index32
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i10 Index61
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Citation Counts3,231
Rankings
energy | climate change | environement | polic
H-Index Metrics
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H-Index32
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i10 Index54
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Citation Counts19,393
Rankings
Rankings
Environmental Microbiology | Biofilms | Bioinnovation | Heritage Science | Project Managemen
H-Index Metrics
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H-Index32
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i10 Index52
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Citation Counts3,089
Rankings
coral reefs | sclerochronology | climate chang
H-Index Metrics
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H-Index32
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i10 Index59
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Citation Counts3,507
Rankings
Environmental engineering | Natural pigments | Biotechnolog
H-Index Metrics
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H-Index29
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i10 Index48
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Citation Counts3,333
Rankings
Rankings
Air Pollution Control | Air Quality Modeling | Combustion | Vehicle emission
H-Index Metrics
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H-Index28
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i10 Index51
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Citation Counts2,790
Rankings
environmental sciences | synchrotron techniques | environmental chemistry | bioremediatio
H-Index Metrics
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H-Index28
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i10 Index39
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Citation Counts5,476
Rankings
Rankings
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