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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Physical Geography | Environment | Climate change | solar wind | space weathe
H-Index Metrics
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H-Index31
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i10 Index91
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Citation Counts3,478
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Cultural tourism | Impact assesement and evaluation | Project management | Accessibility in tourism | Geotouris
H-Index Metrics
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H-Index29
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i10 Index54
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Citation Counts2,826
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Statistical and mathematical methods in tourism | destination branding | cultural tourism | psycholog
H-Index Metrics
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H-Index28
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i10 Index62
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Citation Counts2,611
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Geography | Climate modelling | Ecology GIS | Hydrology | Remote sensin
H-Index Metrics
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H-Index27
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i10 Index57
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Citation Counts2,185
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Tourism | Geotourism | Tourism Assessment | Archaeological Tourism | Cultural Touris
H-Index Metrics
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H-Index24
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i10 Index44
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Citation Counts1,976
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Environmental protection | Environmental Monitoring | Air quality Monitorin
H-Index Metrics
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H-Index16
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i10 Index29
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Citation Counts3,347
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