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 6 years. As of Jun 19, 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 (1.121.299) 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 Quality and Pollution and Environmental Managemen
H-Index Metrics
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H-Index31
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i10 Index85
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Citation Counts11,623
Rankings



Rankings



Environmental Engineering | Agroindustrial Engineerin
H-Index Metrics
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H-Index21
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i10 Index52
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Citation Counts1,863
Rankings



Irrigation and Drainage | Hydrology | Water Management | Automation | Environmental Wate
H-Index Metrics
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H-Index16
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i10 Index34
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Citation Counts1,123
Rankings



hydrologic systems analysis | hydrologic modeling | water resources hydrology | watershed managemen
H-Index Metrics
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H-Index16
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i10 Index30
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Citation Counts980
Rankings



environment science | natural recourses management | urban and rural planning | system scienc
H-Index Metrics
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H-Index1
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i10 Index0
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Citation Counts1