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 04, 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 (0) 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].
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Geodiversity | Geomorphology | Arctic | Global change | Periglacia
H-Index Metrics
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H-Index50
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i10 Index96
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Citation Counts9,220
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Earth observation | remote sensing and spectra | forests | peatlands | vegetatio
H-Index Metrics
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H-Index48
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i10 Index118
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Citation Counts8,751
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Geoinformatics | accessibility & mobility | nature conservation | sustainability | big data analysi
H-Index Metrics
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H-Index47
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i10 Index89
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Citation Counts9,567
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Rankings
geokemia | magmapetrologia | malmigeologia | prekambrin geologi
H-Index Metrics
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H-Index43
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i10 Index97
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Citation Counts5,563
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Conservation science | Human-Nature Interactions | Culturomics | Ecosystem services | Sustainabilit
H-Index Metrics
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H-Index41
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i10 Index85
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Citation Counts4,935
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Remote sensing | land cover | vegetation | climate change | Afric
H-Index Metrics
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H-Index40
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i10 Index88
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Citation Counts5,443
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geopolymers | alkali-activated materials | water and wastewater treatmen
H-Index Metrics
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H-Index35
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i10 Index65
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Citation Counts6,258
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mire hydrology | water quality | peatlands | restoration | biogeochemistr
H-Index Metrics
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H-Index33
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i10 Index59
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Citation Counts3,636
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Petrology | mineralogy | automated mineralogy | petrograph
H-Index Metrics
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H-Index32
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i10 Index61
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Citation Counts4,977
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Rankings
Biogeochemistry | Arctic ecosystems | Carbon | Nitrogen | Trace gas fluxe
H-Index Metrics
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H-Index30
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i10 Index42
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Citation Counts4,135
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