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].
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Geothermal | Solar | Wind | Energy storage | Absorption chiller
H-Index Metrics
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H-Index49
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i10 Index160
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Citation Counts9,166
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sedimentary geochemistry | carbonate sedimentology | paleontolog
H-Index Metrics
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H-Index39
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i10 Index60
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Citation Counts4,836
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Physical Geography | Geosciences | Natural Hazards | Disaster Ris
H-Index Metrics
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H-Index32
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i10 Index90
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Citation Counts3,766
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Geomorphology | Geoarchaeology | Quaternary and Holocene Environments | sea level changes | Hydrogeolog
H-Index Metrics
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H-Index31
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i10 Index76
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Citation Counts3,101
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Exploration Geophysics | Geophysics | Geothermal | Magnetotelluric
H-Index Metrics
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H-Index30
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i10 Index75
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Citation Counts2,595
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Geochemistry | Geomorphology | Environmental Remediation | Rock/Soil-Water Interactio
H-Index Metrics
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H-Index20
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i10 Index31
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Citation Counts1,263
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Rock and Soil Mechanics | Climate Change | Renewable Energy | Environmental and Engineering Geology | Earthquake Engineerin
H-Index Metrics
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H-Index19
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i10 Index41
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Citation Counts1,280
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Reflection Seismology | Wave Propagation in Porous Media | Seismic Attributes | Fractured Reservoir
H-Index Metrics
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H-Index16
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i10 Index23
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Citation Counts669
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Applied Hydrogeology | Hydrogeochemistry | Environmental hazard
H-Index Metrics
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H-Index11
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i10 Index12
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Citation Counts408
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Biomarkers and compound specific isotopes | organic geochemistr
H-Index Metrics
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H-Index7
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i10 Index5
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Citation Counts181
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Geophysics | Tectonics | Magnetotellurics | Geothermal | Ophiolit
H-Index Metrics
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H-Index7
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i10 Index5
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Citation Counts149
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Magnetotellurics | EM Geophysics | Lithosphere | Deep Learning | Exploration Geophysic
H-Index Metrics
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H-Index7
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i10 Index4
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Citation Counts124
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