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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 01, 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].
* Total H Index Rankings
Rankings
131,308
World Rank
4
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Chemical Engineering
Production & Operations Management | Digital Transformation | Industry 4.0 | Quality 4.0 | Operationa
Production & Operations Management | Digital Transformation | Industry 4.0 | Quality 4.0 | Operationa
H-Index Metrics
-
H-Index43
-
i10 Index104
-
Citation Counts7,949
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* Total H Index Rankings
Rankings
261,366
World Rank
7
Country Rank
2
University
Ranking Based On Selection:
2
Engineering & Technology / Computer Science
Design | Human Computer Interaction | Indigenous Knowledg
Design | Human Computer Interaction | Indigenous Knowledg
H-Index Metrics
-
H-Index31
-
i10 Index104
-
Citation Counts3,676
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* Total H Index Rankings
Rankings
294,171
World Rank
9
Country Rank
4
University
Ranking Based On Selection:
3
Engineering & Technology / Earth Sciences
Geochemistry | Tectonics | Geochronology | Environmental Science | Hydrogeolog
Geochemistry | Tectonics | Geochronology | Environmental Science | Hydrogeolog
H-Index Metrics
-
H-Index29
-
i10 Index56
-
Citation Counts2,689
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* Total H Index Rankings
Rankings
595,762
World Rank
38
Country Rank
23
University
Ranking Based On Selection:
4
Engineering & Technology / Metallurgical & Materials Engineering
Materials Science & Engineering | Engineering materials | Materials Characterization | Minera
Materials Science & Engineering | Engineering materials | Materials Characterization | Minera
H-Index Metrics
-
H-Index18
-
i10 Index23
-
Citation Counts902
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* Total H Index Rankings
Rankings
639,435
World Rank
43
Country Rank
15
University
Ranking Based On Selection:
5
Engineering & Technology / Computer Science
Indigenous Knowledge | Ethics | Rural Communities | Co-Design | Technologie
Indigenous Knowledge | Ethics | Rural Communities | Co-Design | Technologie
H-Index Metrics
-
H-Index17
-
i10 Index26
-
Citation Counts1,077
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* Total H Index Rankings
Rankings
668,324
World Rank
48
Country Rank
16
University
Ranking Based On Selection:
6
Engineering & Technology / Metallurgical & Materials Engineering
Process Engineering Design | Electric Batteries and Materials | Green Hydrogen Systems | Superhard materials | Metallurg
Process Engineering Design | Electric Batteries and Materials | Green Hydrogen Systems | Superhard materials | Metallurg
H-Index Metrics
-
H-Index16
-
i10 Index26
-
Citation Counts905
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* Total H Index Rankings
Rankings
669,223
World Rank
49
Country Rank
30
University
Ranking Based On Selection:
7
Engineering & Technology / Energy Engineering
Renewable Energy | Electrical Power Engineering | Information Systems | Engineering Educatio
Renewable Energy | Electrical Power Engineering | Information Systems | Engineering Educatio
H-Index Metrics
-
H-Index16
-
i10 Index23
-
Citation Counts1,427
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* Total H Index Rankings
Rankings
675,556
World Rank
50
Country Rank
17
University
Ranking Based On Selection:
8
Engineering & Technology / Mechanical Engineering
Fluid Mechanics | Mathematical Modeling | Differential Equations | Heat and Mass Transfer | BioMathemati
Fluid Mechanics | Mathematical Modeling | Differential Equations | Heat and Mass Transfer | BioMathemati
H-Index Metrics
-
H-Index16
-
i10 Index23
-
Citation Counts936
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* Total H Index Rankings
Rankings
718,513
World Rank
55
Country Rank
34
University
Ranking Based On Selection:
9
Engineering & Technology / Metallurgical & Materials Engineering
photocatalysis | Material Science | Renewable Energy and Chemical Engineerin
photocatalysis | Material Science | Renewable Energy and Chemical Engineerin
H-Index Metrics
-
H-Index15
-
i10 Index20
-
Citation Counts810
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* Total H Index Rankings
Rankings
754,423
World Rank
60
Country Rank
36
University
Ranking Based On Selection:
10
Engineering & Technology / Computer Science
Remote sensing | Machine learning | Plant phenology | Time series | Land-use chang
Remote sensing | Machine learning | Plant phenology | Time series | Land-use chang
H-Index Metrics
-
H-Index14
-
i10 Index17
-
Citation Counts1,213
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* Total H Index Rankings
Rankings
781,275
World Rank
64
Country Rank
39
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
785,978
World Rank
65
Country Rank
40
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
806,696
World Rank
68
Country Rank
23
University
Ranking Based On Selection:
13
Engineering & Technology / Computer Science
Geospatial Intelligence | Remote Sensing | UAV Photogrammetry | Deep Learning | Machine Learnin
Geospatial Intelligence | Remote Sensing | UAV Photogrammetry | Deep Learning | Machine Learnin
H-Index Metrics
-
H-Index13
-
i10 Index21
-
Citation Counts818
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* Total H Index Rankings
Rankings
813,251
World Rank
72
Country Rank
45
University
Ranking Based On Selection:
14
Engineering & Technology / Civil Engineering
Groundwater | hydrochemistry | isotope hydrology | Wetlands | Perched aquifer
Groundwater | hydrochemistry | isotope hydrology | Wetlands | Perched aquifer
H-Index Metrics
-
H-Index13
-
i10 Index15
-
Citation Counts652
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* Total H Index Rankings
Rankings
832,534
World Rank
77
Country Rank
48
University
Ranking Based On Selection:
15
Engineering & Technology / Mining Engineering
Mine Mechanisation | Surface Mining | Underground Mining | Mine safety and Environmen
Mine Mechanisation | Surface Mining | Underground Mining | Mine safety and Environmen
H-Index Metrics
-
H-Index13
-
i10 Index16
-
Citation Counts430
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* Total H Index Rankings
Rankings
833,122
World Rank
78
Country Rank
27
University
Ranking Based On Selection:
16
Engineering & Technology / Energy Engineering
Renewable Energy Systems | Automatic control systems | Energy engineering | computer control system
Renewable Energy Systems | Automatic control systems | Energy engineering | computer control system
H-Index Metrics
-
H-Index13
-
i10 Index15
-
Citation Counts812
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* Total H Index Rankings
Rankings
881,468
World Rank
86
Country Rank
55
University
Ranking Based On Selection:
17
Engineering & Technology / Food Science and Engineering
Food security | Agric economics | project management | Indigenous people | climate change adaptatio
Food security | Agric economics | project management | Indigenous people | climate change adaptatio
H-Index Metrics
-
H-Index12
-
i10 Index13
-
Citation Counts438
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* Total H Index Rankings
Rankings
918,953
World Rank
96
Country Rank
62
University
Ranking Based On Selection:
18
Engineering & Technology / Electrical & Information Engineering
Digital Signal Processing | Machine learning | Wireless Communication
Digital Signal Processing | Machine learning | Wireless Communication
H-Index Metrics
-
H-Index12
-
i10 Index15
-
Citation Counts408
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* Total H Index Rankings
Rankings
921,078
World Rank
98
Country Rank
64
University
Ranking Based On Selection:
19
Engineering & Technology / Marine Sciences and Engineering
Trophic Relationships | Fisheries Management | Marine Science | Aquacultur
Trophic Relationships | Fisheries Management | Marine Science | Aquacultur
H-Index Metrics
-
H-Index11
-
i10 Index15
-
Citation Counts610
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* Total H Index Rankings
Rankings
964,318
World Rank
103
Country Rank
68
University
Ranking Based On Selection:
20
Engineering & Technology / Metallurgical & Materials Engineering
Additive manufacturing | material processing and characterization | powder metallurgy | mechanical Tes
Additive manufacturing | material processing and characterization | powder metallurgy | mechanical Tes
H-Index Metrics
-
H-Index11
-
i10 Index13
-
Citation Counts462
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* Total H Index Rankings
Rankings
1,038,088
World Rank
112
Country Rank
34
University
Ranking Based On Selection:
21
Engineering & Technology / Computer Science
Machine Learning | ML in Healthcare | Quantitative image analysis | AI Ethics | Explainable A
Machine Learning | ML in Healthcare | Quantitative image analysis | AI Ethics | Explainable A
H-Index Metrics
-
H-Index10
-
i10 Index10
-
Citation Counts683
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* Total H Index Rankings
Rankings
1,040,275
World Rank
114
Country Rank
35
University
Ranking Based On Selection:
22
Engineering & Technology / Computer Science
Internet of Things (IoT) | AI Ethics & Governance | Cybersecurity | Emerging Technologies | ICT4
Internet of Things (IoT) | AI Ethics & Governance | Cybersecurity | Emerging Technologies | ICT4
H-Index Metrics
-
H-Index10
-
i10 Index10
-
Citation Counts507
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* Total H Index Rankings
Rankings
1,119,035
World Rank
127
Country Rank
86
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
1,131,166
World Rank
128
Country Rank
38
University
Ranking Based On Selection:
24
Engineering & Technology / Mechanical Engineering
Linear | Non-linear and Artificial Intelligence Control System
Linear | Non-linear and Artificial Intelligence Control System
H-Index Metrics
-
H-Index9
-
i10 Index9
-
Citation Counts665
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* Total H Index Rankings
Rankings
1,168,342
World Rank
132
Country Rank
89
University
Ranking Based On Selection:
25
Engineering & Technology / Metallurgical & Materials Engineering
Applied soil mechanics at valorizing earth material
Applied soil mechanics at valorizing earth material
H-Index Metrics
-
H-Index9
-
i10 Index7
-
Citation Counts416
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