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
Environmental Science | Reproductive Toxicology | Endocrine Disruption | Hepatotoxicity | Drug Toxicit
H-Index Metrics
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H-Index50
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i10 Index100
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Citation Counts11,246
Rankings
Environmental Engineering | Wastewater Treatment | Environmental Modeling | Pollution | Waste Managemen
H-Index Metrics
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H-Index42
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i10 Index122
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Citation Counts5,741
Rankings
Sensors Applications | Environmental Science | air Pollution Control | Materials Science | Semiconducto
H-Index Metrics
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H-Index42
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i10 Index94
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Citation Counts4,517
Rankings
RS/GIS_Water Resources | Hydrology and Groundwater | Environmental Engineering | Sustainable and green environment | Hydrodynamic m
H-Index Metrics
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H-Index40
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i10 Index195
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Citation Counts7,511
Rankings
Groundwater | Groundwater modeling | Water Resources Management | Slatwater Intrusion | Transboundary Aquifer
H-Index Metrics
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H-Index37
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i10 Index65
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Citation Counts3,477
Rankings
Rankings
Rankings
Earth Science | Climate Change | Remote Sensing | GI
H-Index Metrics
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H-Index30
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i10 Index49
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Citation Counts2,542
Rankings
Environmental and Organic Geochemistr
H-Index Metrics
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H-Index28
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i10 Index56
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Citation Counts2,752
Rankings
climate change | remote sensing | space physic
H-Index Metrics
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H-Index26
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i10 Index41
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Citation Counts2,599
Rankings
Environmental - wastewater treatment- renewable energ
H-Index Metrics
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H-Index24
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i10 Index34
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Citation Counts1,331
Rankings
Rankings
Rankings
Climate Change | water and fertilizers managemen
H-Index Metrics
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H-Index22
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i10 Index45
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Citation Counts2,086
Rankings
Environmental Engineering | Microbiology | Wastewater treatment | Anammox process | Biogas productio
H-Index Metrics
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H-Index21
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i10 Index28
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Citation Counts1,275
Rankings
Irrigation Water Management - Applications of GIS and Remote Sensing on Irrigation - Drip and Sprinkler Irrigation Networks Design - Water Saving - Effect of Climate Changes on Irrigation water Managemen
H-Index Metrics
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H-Index21
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i10 Index53
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Citation Counts1,987
Rankings
Environmental Pollution | Food Contaminants | Pesticide Residues | Environmental Toxicolog
H-Index Metrics
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H-Index21
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i10 Index40
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Citation Counts1,488
Rankings
Rankings
Electrochemistry | Energy Storage | Nanomaterials | water splitting | Electrochemical sensor
H-Index Metrics
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H-Index20
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i10 Index23
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Citation Counts1,082
Rankings
Environmental Engineering | Water Quality | Water Treatment | Solid Waste Managemen
H-Index Metrics
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H-Index20
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i10 Index33
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Citation Counts1,275
Rankings
Wastewater Treatment - Rural Sanitation - Phytoremediation Technology - Environmental Engineerin
H-Index Metrics
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H-Index20
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i10 Index29
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Citation Counts1,065
Rankings
Desalination | Water and wastewater Engineerin
H-Index Metrics
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H-Index20
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i10 Index27
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Citation Counts1,697
Rankings
Wastewater treatment | Sustainability | Advanced Oxidation Processes | Waste Managemen
H-Index Metrics
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H-Index19
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i10 Index25
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Citation Counts1,578
Rankings
Rankings
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