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
Rankings
Rankings
environment | water resources | civil engineering | technology management | educational management & processe
H-Index Metrics
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H-Index7
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i10 Index5
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Citation Counts302
Rankings
action research | animal physiology | environmental science | science teachin
H-Index Metrics
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H-Index6
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i10 Index5
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Citation Counts895
Rankings
Chemistry Education | Solid Waste Management | Food safety | water quality assessment | Social Science
H-Index Metrics
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H-Index6
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i10 Index2
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Citation Counts116
Rankings
Rankings
Rankings
Fisheries | Fish Processing Technology | Food Technology | Food Scienc
H-Index Metrics
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H-Index5
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i10 Index2
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Citation Counts57
Rankings
Science Education | Chemistry | Environmental Science | Community Research and Social Scienc
H-Index Metrics
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H-Index5
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i10 Index1
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Citation Counts48
Rankings
Rankings
Materials and Structural Engineering | Waste and Water Engineerin
H-Index Metrics
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H-Index5
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i10 Index3
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Citation Counts77
Rankings
science education | educational testing and measurement | Physics Experiments | qualitative researc
H-Index Metrics
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H-Index5
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i10 Index1
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Citation Counts86
Rankings
Soil Science | pedology | soil fertility | soil remediatio
H-Index Metrics
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H-Index5
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i10 Index1
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Citation Counts66
Rankings
Rankings
Rankings
Environmental Science | Island Studie
H-Index Metrics
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H-Index4
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i10 Index3
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Citation Counts95
Rankings
Rankings
Engineering Education | Environmental Engineering | Civil Engineering | Wastewater Engineering | Water Managemen
H-Index Metrics
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H-Index4
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i10 Index2
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Citation Counts67
Rankings
Rankings
topic modelling | data security | data mining | sentiment analysis | data scienc
H-Index Metrics
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H-Index4
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i10 Index1
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Citation Counts72
Rankings
social sciences | psychology | social science research | research methodolog
H-Index Metrics
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H-Index4
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i10 Index1
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Citation Counts71
Rankings
Rankings
Rankings
Rankings
TOURISM | HOSPITALITY | EDUCATION | BUSINESS MANAGEMEN
H-Index Metrics
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H-Index4
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i10 Index0
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Citation Counts30
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