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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 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 (1.131.911) 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
168,314
World Rank
38
Country Rank
5
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
281,479
World Rank
83
Country Rank
7
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
380,184
World Rank
141
Country Rank
12
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
408,236
World Rank
168
Country Rank
1
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
415,889
World Rank
176
Country Rank
17
University
Ranking Based On Selection:
5
Engineering & Technology / Earth Sciences
Remote Sensing | Geographic Information Systems | Photogrammetry | Geovisualization
Remote Sensing | Geographic Information Systems | Photogrammetry | Geovisualization
H-Index Metrics
-
H-Index23
-
i10 Index46
-
Citation Counts2,279
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Premium Data
* Total H Index Rankings
Rankings
459,789
World Rank
212
Country Rank
21
University
Ranking Based On Selection:
6
Engineering & Technology / Earth Sciences
Structural Geology | Tectonics | Geohazards | Mineral & Energy Resource
Structural Geology | Tectonics | Geohazards | Mineral & Energy Resource
H-Index Metrics
-
H-Index22
-
i10 Index33
-
Citation Counts1,930
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Premium Data
* Total H Index Rankings
Rankings
588,460
World Rank
341
Country Rank
77
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
717,148
World Rank
522
Country Rank
134
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
769,504
World Rank
608
Country Rank
165
University
Ranking Based On Selection:
9
Engineering & Technology / Earth Sciences
Geomorphology | Geological Hazards | Active Tectonics | Paleoseismolog
Geomorphology | Geological Hazards | Active Tectonics | Paleoseismolog
H-Index Metrics
-
H-Index14
-
i10 Index22
-
Citation Counts471
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Premium Data
* Total H Index Rankings
Rankings
832,146
World Rank
695
Country Rank
5
University
Ranking Based On Selection:
10
Engineering & Technology / Earth Sciences
microplaeontology | sedimentology | environmental geology | paleobiogeography | petroleum geolog
microplaeontology | sedimentology | environmental geology | paleobiogeography | petroleum geolog
H-Index Metrics
-
H-Index13
-
i10 Index16
-
Citation Counts759
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Premium Data
* Total H Index Rankings
Rankings
840,194
World Rank
707
Country Rank
20
University
Ranking Based On Selection:
11
Engineering & Technology / Earth Sciences
Mineral Exploration | Igneous Geochemistry | Engineering Geolog
Mineral Exploration | Igneous Geochemistry | Engineering Geolog
H-Index Metrics
-
H-Index13
-
i10 Index15
-
Citation Counts2,613
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Premium Data
* Total H Index Rankings
Rankings
858,185
World Rank
729
Country Rank
87
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
1,050,038
World Rank
1,072
Country Rank
286
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
1,051,818
World Rank
1,078
Country Rank
289
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
1,059,036
World Rank
1,090
Country Rank
5
University
Ranking Based On Selection:
15
Engineering & Technology / Earth Sciences
Earth Surface Processes | Volcano Geomorphology | Analogue Modelling | Remote sensing & GI
Earth Surface Processes | Volcano Geomorphology | Analogue Modelling | Remote sensing & GI
H-Index Metrics
-
H-Index10
-
i10 Index10
-
Citation Counts461
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Premium Data
* Total H Index Rankings
Rankings
1,059,845
World Rank
1,091
Country Rank
294
University
Ranking Based On Selection:
16
Engineering & Technology / Earth Sciences
GeoResources | Heritage | Environmental Science | HydroGeoChemistry | Economic
GeoResources | Heritage | Environmental Science | HydroGeoChemistry | Economic
H-Index Metrics
-
H-Index10
-
i10 Index10
-
Citation Counts416
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Premium Data
* Total H Index Rankings
Rankings
1,067,612
World Rank
1,108
Country Rank
1
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
1,069,985
World Rank
1,115
Country Rank
2
University
Ranking Based On Selection:
18
Engineering & Technology / Earth Sciences
Geology | Volcanology | Risk Communication | Oral History | Phenomenolog
Geology | Volcanology | Risk Communication | Oral History | Phenomenolog
H-Index Metrics
-
H-Index10
-
i10 Index10
-
Citation Counts588
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Premium Data
* Total H Index Rankings
Rankings
1,075,089
World Rank
1,125
Country Rank
69
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
1,179,222
World Rank
1,368
Country Rank
80
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
1,224,160
World Rank
1,475
Country Rank
417
University
Ranking Based On Selection:
21
Engineering & Technology / Earth Sciences
Geomatics | Geo-simulation | Geovisualization | Urban Modellin
Geomatics | Geo-simulation | Geovisualization | Urban Modellin
H-Index Metrics
-
H-Index8
-
i10 Index7
-
Citation Counts264
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Premium Data
* Total H Index Rankings
Rankings
1,253,812
World Rank
1,573
Country Rank
3
University
Ranking Based On Selection:
22
Engineering & Technology / Earth Sciences
Paleoseismology | Active Tectonics | Geomorphology | Geology | Seismolog
Paleoseismology | Active Tectonics | Geomorphology | Geology | Seismolog
H-Index Metrics
-
H-Index8
-
i10 Index8
-
Citation Counts256
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Premium Data
* Total H Index Rankings
Rankings
1,385,637
World Rank
1,940
Country Rank
53
University
Ranking Based On Selection:
23
Engineering & Technology / Earth Sciences
Geomatic applications on natural resource management and Disaster Risk Reduction and Management | Watershed Management | Agrofore
Geomatic applications on natural resource management and Disaster Risk Reduction and Management | Watershed Management | Agrofore
H-Index Metrics
-
H-Index7
-
i10 Index3
-
Citation Counts146
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Premium Data
* Total H Index Rankings
Rankings
1,423,412
World Rank
2,073
Country Rank
188
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
1,423,978
World Rank
2,077
Country Rank
10
University
Ranking Based On Selection:
25
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