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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 (1.131.752) 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
5,219
World Rank
20
Country Rank
2
University
Ranking Based On Selection:
1
Engineering & Technology / Civil Engineering
Hydrology | Groundwater | Environment | Agriculture | Systems Scienc
Hydrology | Groundwater | Environment | Agriculture | Systems Scienc
H-Index Metrics
-
H-Index120
-
i10 Index232
-
Citation Counts57,929
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* Total H Index Rankings
Rankings
156,063
World Rank
909
Country Rank
48
University
Ranking Based On Selection:
2
Engineering & Technology / Civil Engineering
Soil hydrology | Tracer hydrology | Isotope hydrology | Hydrogeology | Hydrogeoecolog
Soil hydrology | Tracer hydrology | Isotope hydrology | Hydrogeology | Hydrogeoecolog
H-Index Metrics
-
H-Index40
-
i10 Index110
-
Citation Counts6,424
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Premium Data
* Total H Index Rankings
Rankings
157,226
World Rank
916
Country Rank
49
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
171,879
World Rank
1,004
Country Rank
34
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
214,712
World Rank
1,233
Country Rank
65
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
219,159
World Rank
1,255
Country Rank
19
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
235,222
World Rank
1,339
Country Rank
76
University
Ranking Based On Selection:
7
Engineering & Technology / Civil Engineering
Life-Cycle Analyses | Bridge Engineering | Structural Engineering | Structural Health Monitoring and Reliability Assessment of Eng
Life-Cycle Analyses | Bridge Engineering | Structural Engineering | Structural Health Monitoring and Reliability Assessment of Eng
H-Index Metrics
-
H-Index33
-
i10 Index104
-
Citation Counts4,583
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* Total H Index Rankings
Rankings
280,687
World Rank
1,591
Country Rank
25
University
Ranking Based On Selection:
8
Engineering & Technology / Civil Engineering
Isotope hydrology | water resources investigations | rivers | lakes and groundwater investigations using isotope
Isotope hydrology | water resources investigations | rivers | lakes and groundwater investigations using isotope
H-Index Metrics
-
H-Index30
-
i10 Index54
-
Citation Counts3,061
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Premium Data
* Total H Index Rankings
Rankings
281,708
World Rank
1,592
Country Rank
95
University
Ranking Based On Selection:
9
Engineering & Technology / Civil Engineering
fluvial hydraulics | hydrodynamics | sediment transport | ecohydraulics | hydroinformatic
fluvial hydraulics | hydrodynamics | sediment transport | ecohydraulics | hydroinformatic
H-Index Metrics
-
H-Index30
-
i10 Index59
-
Citation Counts3,477
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Premium Data
* Total H Index Rankings
Rankings
331,427
World Rank
1,852
Country Rank
31
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
369,461
World Rank
2,041
Country Rank
131
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
423,761
World Rank
2,294
Country Rank
202
University
Ranking Based On Selection:
12
Engineering & Technology / Civil Engineering
Civil Engineering | Structural Engineering | Timber Structures | Timber Engineerin
Civil Engineering | Structural Engineering | Timber Structures | Timber Engineerin
H-Index Metrics
-
H-Index23
-
i10 Index48
-
Citation Counts2,351
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Premium Data
* Total H Index Rankings
Rankings
483,787
World Rank
2,548
Country Rank
1
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
584,614
World Rank
3,033
Country Rank
47
University
Ranking Based On Selection:
14
Engineering & Technology / Civil Engineering
isotope hydrology | water resources assessment and managemen
isotope hydrology | water resources assessment and managemen
H-Index Metrics
-
H-Index18
-
i10 Index27
-
Citation Counts1,403
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Premium Data
* Total H Index Rankings
Rankings
711,827
World Rank
3,601
Country Rank
2
University
Ranking Based On Selection:
15
Engineering & Technology / Civil Engineering
Optimal design | hydraulic engineering | Pelton turbines | Hydropowe
Optimal design | hydraulic engineering | Pelton turbines | Hydropowe
H-Index Metrics
-
H-Index15
-
i10 Index19
-
Citation Counts735
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Premium Data
* Total H Index Rankings
Rankings
799,536
World Rank
4,013
Country Rank
54
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
855,972
World Rank
4,264
Country Rank
221
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
879,381
World Rank
4,396
Country Rank
289
University
Ranking Based On Selection:
18
Engineering & Technology / Civil Engineering
hydrology | hydrological modelling | water resources managemen
hydrology | hydrological modelling | water resources managemen
H-Index Metrics
-
H-Index12
-
i10 Index13
-
Citation Counts908
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Premium Data
* Total H Index Rankings
Rankings
1,067,988
World Rank
5,319
Country Rank
351
University
Ranking Based On Selection:
19
Engineering & Technology / Civil Engineering
hydraulics | digital hydraulics | mechanic | finite element | control theor
hydraulics | digital hydraulics | mechanic | finite element | control theor
H-Index Metrics
-
H-Index10
-
i10 Index11
-
Citation Counts199
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Premium Data
* Total H Index Rankings
Rankings
1,117,796
World Rank
5,577
Country Rank
107
University
Ranking Based On Selection:
20
Engineering & Technology / Civil Engineering
hydrology | hydrogeology | interaction surface-groundwater | modelin
hydrology | hydrogeology | interaction surface-groundwater | modelin
H-Index Metrics
-
H-Index9
-
i10 Index8
-
Citation Counts410
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Premium Data
* Total H Index Rankings
Rankings
1,474,129
World Rank
7,088
Country Rank
556
University
Ranking Based On Selection:
21
Engineering & Technology / Civil Engineering
Hydroinformatics | Water Distribution Networks | Optimisation | Decision Making | Dynamic Programmin
Hydroinformatics | Water Distribution Networks | Optimisation | Decision Making | Dynamic Programmin
H-Index Metrics
-
H-Index6
-
i10 Index6
-
Citation Counts145
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Premium Data
* Total H Index Rankings
Rankings
2,069,823
World Rank
8,847
Country Rank
390
University
Ranking Based On Selection:
22
Engineering & Technology / Civil Engineering
Civil Engineering | Geotechnical Engineering | Granular Material
Civil Engineering | Geotechnical Engineering | Granular Material
H-Index Metrics
-
H-Index3
-
i10 Index2
-
Citation Counts53
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Premium Data
* Total H Index Rankings
Rankings
2,144,976
World Rank
8,997
Country Rank
658
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
2,233,119
World Rank
9,132
Country Rank
242
University
Ranking Based On Selection:
24
Engineering & Technology / Civil Engineering
Highways Engineering | Road Safety | Sustainability | Highways Construction | Airport Engineerin
Highways Engineering | Road Safety | Sustainability | Highways Construction | Airport Engineerin
H-Index Metrics
-
H-Index2
-
i10 Index2
-
Citation Counts105
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Premium Data
* Total H Index Rankings
Rankings
2,301,146
World Rank
9,248
Country Rank
214
University
Ranking Based On Selection:
25
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