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 Sep 14, 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 (1.123.368) 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
water purification | filtration kinetics | pore formation | adsorption model
H-Index Metrics
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H-Index75
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i10 Index221
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Citation Counts17,915
Rankings
Rankings
Rankings
soil chemistry | biochar soil applications | soil water repellency | organic pollutant interactions in soil | HULI
H-Index Metrics
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H-Index57
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i10 Index116
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Citation Counts14,695
Rankings
Rankings
Rankings
Waste to resource | water quality and reuse | WASH | sludge | aquacultur
H-Index Metrics
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H-Index54
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i10 Index109
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Citation Counts8,388
Rankings
Environmental Microbiology | Microbial Ecology | Plant-Microbe Interaction
H-Index Metrics
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H-Index52
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i10 Index83
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Citation Counts9,955
Rankings
Rankings
Enviromental microbiology | antibiotic resistance | plant-microbe interactions | biocontrol | biodegradatio
H-Index Metrics
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H-Index47
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i10 Index77
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Citation Counts11,467
Rankings
environmental &exercise physiol. health managemen
H-Index Metrics
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H-Index47
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i10 Index102
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Citation Counts6,867
Rankings
Paleoseismology | Archaeoseismology | Soft Sediment Deformation | Anisotropy of Magnetic Susceptibilit
H-Index Metrics
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H-Index44
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i10 Index107
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Citation Counts6,317
Rankings
Climate dynamics | Statistical Physic
H-Index Metrics
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H-Index43
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i10 Index92
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Citation Counts7,293
Rankings
Rankings
Rankings
Biotechnology and Environmental science
H-Index Metrics
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H-Index40
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i10 Index70
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Citation Counts7,380
Rankings
Rankings
Laser-induced graphene | membranes | polymer membrane
H-Index Metrics
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H-Index39
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i10 Index68
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Citation Counts5,380
Rankings
seaweed ecology and biotechnology | taxonomy | climate chang
H-Index Metrics
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H-Index39
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i10 Index82
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Citation Counts5,000
Rankings
Water technology | Wastewater reclamation and reuse | Stormwater harvesting and biofiltratio
H-Index Metrics
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H-Index37
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i10 Index69
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Citation Counts3,971
Rankings
satellite data | air pollution | dust | remote sensin
H-Index Metrics
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H-Index34
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i10 Index53
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Citation Counts5,905
Rankings
Pollen biology | environmental stress conditions | thermotoleranc
H-Index Metrics
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H-Index34
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i10 Index46
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Citation Counts4,977
Rankings
Rankings
Rankings

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