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
SocioEnvironment Systems | Climate Change Adaptation | Biodiversity and Ecosystem Services | Natural Resource Managemen
H-Index Metrics
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H-Index26
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i10 Index40
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Citation Counts2,808
Rankings
Renewable energy | Energy management | Energy Policy | Solar coolin
H-Index Metrics
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H-Index22
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i10 Index29
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Citation Counts1,987
Rankings
Biodegradable polymers | Green environmental technologies | Material science | Biosorption | and Energ
H-Index Metrics
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H-Index21
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i10 Index44
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Citation Counts2,210
Rankings
Rankings
Rankings
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Rankings
System Dynamics | Control and Automation | Renewable Energy | Optimization | and Structural Healt
H-Index Metrics
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H-Index11
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i10 Index11
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Citation Counts840
Rankings
Rankings
renewable energy | environment conservation | energy efficiency | rural electrification | mini-grid
H-Index Metrics
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H-Index10
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i10 Index12
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Citation Counts581
Rankings
Optical Communications | Photonic Devices | Renewable Energy | Education Technology | IC
H-Index Metrics
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H-Index9
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i10 Index7
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Citation Counts279
Rankings
Rankings
Energy Engineering | Renewable and Sustainable Energy Technologies | Physics | Solar Therma
H-Index Metrics
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H-Index6
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i10 Index3
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Citation Counts142
Rankings
Rankings
Rankings
Rankings
Renewable energy | solar PV | Thermoelectric generators | Energy systems and efficienc
H-Index Metrics
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H-Index4
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i10 Index1
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Citation Counts67
Rankings
Rankings
Environmental Impact Assessment | Natural Resources Management | Renewable energy Resource
H-Index Metrics
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H-Index3
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i10 Index2
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Citation Counts43
Rankings
Advanced manufacturing | advanced materials | Control Engineering | Energy Harvestin
H-Index Metrics
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H-Index3
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i10 Index1
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Citation Counts81
Rankings
Rankings
ENGINEERING | RENEWABLE ENERGY (BIOFUELS) | MODELING & SIMULATION | ENZYME IMMOBILIZATIO
H-Index Metrics
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H-Index3
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i10 Index0
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Citation Counts22
Rankings
Rankings
Rankings
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