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].
Rankings
Paleomagnetism | Earth History | Paleogeography | Plate Tectonics | Mantle Dynamic
H-Index Metrics
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H-Index101
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i10 Index248
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Citation Counts40,433
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Earth Sciences | Physics of Geological Processes | Geology | Geophysics | Geochemistr
H-Index Metrics
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H-Index70
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i10 Index214
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Citation Counts14,352
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Sedimentology | Structural Geology | Basin Analysis | Rifts | Stratigraph
H-Index Metrics
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H-Index55
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i10 Index116
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Citation Counts11,736
Rankings
geology | geochemistry | mass extinctions | large igneous provinces | climate change
H-Index Metrics
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H-Index55
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i10 Index113
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Citation Counts11,683
Rankings
Rankings
Earth system | climate change and evolution | atmospheric chemistry and physic
H-Index Metrics
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H-Index55
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i10 Index146
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Citation Counts13,061
Rankings
Geology geodynamics | tectonics | structural geology | Caledonides | eclogit
H-Index Metrics
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H-Index55
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i10 Index102
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Citation Counts8,497
Rankings
Rankings
CO2 Storage | Reservoir Geoscience | Fluid Flow | Geophysics | Structural Geolog
H-Index Metrics
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H-Index51
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i10 Index104
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Citation Counts9,413
Rankings
Geology | Stratigraphy | Palaeoclimatology | Palynology | Palaeobotan
H-Index Metrics
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H-Index50
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i10 Index86
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Citation Counts8,795
Rankings
Subsurface Energy Systems | Energy Storage | Carbon Geo-Sequestration | Geothermal System
H-Index Metrics
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H-Index48
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i10 Index111
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Citation Counts8,062
Rankings
Comparative Planetology | Planetary Sciences | Planetary Dynamics | Geodynamics | Exoplanet
H-Index Metrics
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H-Index49
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i10 Index98
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Citation Counts10,392
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