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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 Sep 02, 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 (1.122.044) 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
7,683
World Rank
24
Country Rank
11
University
Ranking Based On Selection:
1
Engineering & Technology / Earth Sciences
Igneous Petrogenesis | Hard-Rock Geochemistry | Asian Magmatism & Tectonic
Igneous Petrogenesis | Hard-Rock Geochemistry | Asian Magmatism & Tectonic
H-Index Metrics
-
H-Index107
-
i10 Index260
-
Citation Counts42,733
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* Total H Index Rankings
Rankings
9,153
World Rank
36
Country Rank
1
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
12,220
World Rank
41
Country Rank
2
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
41,439
World Rank
185
Country Rank
38
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
43,919
World Rank
202
Country Rank
2
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
58,945
World Rank
275
Country Rank
60
University
Ranking Based On Selection:
6
Engineering & Technology / Earth Sciences
geotechnical risk and reliability | geotechnical data analytics | spatial variability | probabilistic site characterizatio
geotechnical risk and reliability | geotechnical data analytics | spatial variability | probabilistic site characterizatio
H-Index Metrics
-
H-Index58
-
i10 Index163
-
Citation Counts11,457
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Premium Data
* Total H Index Rankings
Rankings
73,101
World Rank
366
Country Rank
77
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
89,423
World Rank
479
Country Rank
38
University
Ranking Based On Selection:
8
Engineering & Technology / Earth Sciences
contaminant hydrogeology | medical geology | arsenic mobilizatio
contaminant hydrogeology | medical geology | arsenic mobilizatio
H-Index Metrics
-
H-Index50
-
i10 Index103
-
Citation Counts8,183
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Premium Data
* Total H Index Rankings
Rankings
105,589
World Rank
593
Country Rank
19
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
110,275
World Rank
620
Country Rank
3
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
117,573
World Rank
680
Country Rank
4
University
Ranking Based On Selection:
11
Engineering & Technology / Earth Sciences
Earth surface processes | applications of natural and anthropogenic radionuclides | marine sedimentation | atmospheric transport | soil erosion ..
Earth surface processes | applications of natural and anthropogenic radionuclides | marine sedimentation | atmospheric transport | soil erosion ..
H-Index Metrics
-
H-Index45
-
i10 Index91
-
Citation Counts6,001
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Premium Data
* Total H Index Rankings
Rankings
120,077
World Rank
693
Country Rank
58
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
136,384
World Rank
823
Country Rank
26
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
137,971
World Rank
834
Country Rank
5
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
160,639
World Rank
978
Country Rank
84
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
165,729
World Rank
1,009
Country Rank
6
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
167,525
World Rank
1,018
Country Rank
31
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
169,026
World Rank
1,037
Country Rank
10
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
180,586
World Rank
1,115
Country Rank
98
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
195,944
World Rank
1,215
Country Rank
19
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
199,297
World Rank
1,246
Country Rank
8
University
Ranking Based On Selection:
21
Engineering & Technology / Earth Sciences
Geophysics | Geodynamics | Mantle convection | Mantle structure and composition | Planetary science
Geophysics | Geodynamics | Mantle convection | Mantle structure and composition | Planetary science
H-Index Metrics
-
H-Index35
-
i10 Index62
-
Citation Counts4,057
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Premium Data
* Total H Index Rankings
Rankings
200,107
World Rank
1,252
Country Rank
40
University
Ranking Based On Selection:
22
Engineering & Technology / Earth Sciences
Engineering Geology | Natural Hazards | Seismic Hazard | Landslides | Landslid
Engineering Geology | Natural Hazards | Seismic Hazard | Landslides | Landslid
H-Index Metrics
-
H-Index35
-
i10 Index60
-
Citation Counts5,157
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Premium Data
* Total H Index Rankings
Rankings
213,408
World Rank
1,343
Country Rank
9
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
223,264
World Rank
1,404
Country Rank
121
University
Ranking Based On Selection:
24
Engineering & Technology / Earth Sciences
Remote sensing and GIS | Environmental Change | Geohydrology | Data integratio
Remote sensing and GIS | Environmental Change | Geohydrology | Data integratio
H-Index Metrics
-
H-Index33
-
i10 Index85
-
Citation Counts3,511
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Premium Data
* Total H Index Rankings
Rankings
225,461
World Rank
1,423
Country Rank
231
University
Ranking Based On Selection:
25
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