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World Scientist and University Rankings 2026
Sri Lanka Engineering & Technology / Earth Sciences 26 Scientists Subject Rankings
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].
* Total H Index Rankings
Rankings
119,266
World Rank
32
Country Rank
5
University
Ranking Based On Selection:
1
Engineering & Technology / Earth Sciences
Geology | Geochemistry | Medical Geology | Isotope Hydrolog
Geology | Geochemistry | Medical Geology | Isotope Hydrolog
H-Index Metrics
-
H-Index45
-
i10 Index117
-
Citation Counts6,364
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* Total H Index Rankings
Rankings
160,045
World Rank
55
Country Rank
5
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
246,800
World Rank
100
Country Rank
17
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
346,518
World Rank
155
Country Rank
1
University
Ranking Based On Selection:
4
Engineering & Technology / Earth Sciences
Coastal and Marine Geology | Paleoclimatology | Sedimentary Geology | Environmental Scienc
Coastal and Marine Geology | Paleoclimatology | Sedimentary Geology | Environmental Scienc
H-Index Metrics
-
H-Index26
-
i10 Index61
-
Citation Counts3,163
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* Total H Index Rankings
Rankings
418,624
World Rank
221
Country Rank
49
University
Ranking Based On Selection:
5
Engineering & Technology / Earth Sciences
Petrology | Mineralogy | Geochemistry | Radiogenic Isotope
Petrology | Mineralogy | Geochemistry | Radiogenic Isotope
H-Index Metrics
-
H-Index23
-
i10 Index41
-
Citation Counts2,030
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* Total H Index Rankings
Rankings
582,220
World Rank
375
Country Rank
23
University
Ranking Based On Selection:
6
Engineering & Technology / Earth Sciences
Geosequestration of carbon dioxide | Soil stabilisation | waste management | inclusive learning | life
Geosequestration of carbon dioxide | Soil stabilisation | waste management | inclusive learning | life
H-Index Metrics
-
H-Index18
-
i10 Index21
-
Citation Counts1,411
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* Total H Index Rankings
Rankings
736,852
World Rank
582
Country Rank
115
University
Ranking Based On Selection:
7
Engineering & Technology / Earth Sciences
Geochemistry | Geology | Environment | Geophysics | Seismicit
Geochemistry | Geology | Environment | Geophysics | Seismicit
H-Index Metrics
-
H-Index15
-
i10 Index20
-
Citation Counts579
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* Total H Index Rankings
Rankings
761,446
World Rank
609
Country Rank
13
University
Ranking Based On Selection:
8
Engineering & Technology / Earth Sciences
Geo-informatics | GIS | Water Resources | Spatial Statistic
Geo-informatics | GIS | Water Resources | Spatial Statistic
H-Index Metrics
-
H-Index14
-
i10 Index20
-
Citation Counts992
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* Total H Index Rankings
Rankings
767,074
World Rank
617
Country Rank
126
University
Ranking Based On Selection:
9
Engineering & Technology / Earth Sciences
Geomorophology | Earth Surface Processes | Sediment Transport | Watershed Hydrology | Chemical Weatherin
Geomorophology | Earth Surface Processes | Sediment Transport | Watershed Hydrology | Chemical Weatherin
H-Index Metrics
-
H-Index14
-
i10 Index15
-
Citation Counts1,194
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* Total H Index Rankings
Rankings
1,155,081
World Rank
1,282
Country Rank
240
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
1,172,603
World Rank
1,332
Country Rank
250
University
Ranking Based On Selection:
11
Engineering & Technology / Earth Sciences
Isotope Geology | Mineralogy | Petrology | Structural Geolog
Isotope Geology | Mineralogy | Petrology | Structural Geolog
H-Index Metrics
-
H-Index9
-
i10 Index9
-
Citation Counts441
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* Total H Index Rankings
Rankings
1,203,638
World Rank
1,387
Country Rank
258
University
Ranking Based On Selection:
12
Engineering & Technology / Earth Sciences
Sustainable Materials | Earthquake Engineering | Structural Dynamics | Self-Centering System
Sustainable Materials | Earthquake Engineering | Structural Dynamics | Self-Centering System
H-Index Metrics
-
H-Index8
-
i10 Index8
-
Citation Counts307
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Premium Data
* Total H Index Rankings
Rankings
1,241,371
World Rank
1,467
Country Rank
23
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
1,288,917
World Rank
1,633
Country Rank
189
University
Ranking Based On Selection:
14
Engineering & Technology / Earth Sciences
geotechnical engineering | Geomechanics | Numerical Modelling | soil arching | slope stabilit
geotechnical engineering | Geomechanics | Numerical Modelling | soil arching | slope stabilit
H-Index Metrics
-
H-Index8
-
i10 Index7
-
Citation Counts151
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* Total H Index Rankings
Rankings
1,369,041
World Rank
1,810
Country Rank
131
University
Ranking Based On Selection:
15
Engineering & Technology / Earth Sciences
Petroleum Geology | Sedimentology | Organic Geochemistry | Basin and Petroleum System Modelin
Petroleum Geology | Sedimentology | Organic Geochemistry | Basin and Petroleum System Modelin
H-Index Metrics
-
H-Index7
-
i10 Index5
-
Citation Counts171
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* Total H Index Rankings
Rankings
1,444,253
World Rank
2,022
Country Rank
61
University
Ranking Based On Selection:
16
Engineering & Technology / Earth Sciences
Geo-spatial | land cover | natural resources | water | agricultur
Geo-spatial | land cover | natural resources | water | agricultur
H-Index Metrics
-
H-Index7
-
i10 Index7
-
Citation Counts203
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* Total H Index Rankings
Rankings
1,468,443
World Rank
2,071
Country Rank
87
University
Ranking Based On Selection:
17
Engineering & Technology / Earth Sciences
Geotechnical Engineering | Bio-cementation | Genetic Engineering | Mining and Mineral Processin
Geotechnical Engineering | Bio-cementation | Genetic Engineering | Mining and Mineral Processin
H-Index Metrics
-
H-Index6
-
i10 Index6
-
Citation Counts223
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Premium Data
* Total H Index Rankings
Rankings
1,586,959
World Rank
2,459
Country Rank
88
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
1,658,435
World Rank
2,660
Country Rank
396
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
1,694,794
World Rank
2,777
Country Rank
325
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
1,723,548
World Rank
2,861
Country Rank
213
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
1,728,967
World Rank
2,881
Country Rank
79
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
1,925,280
World Rank
3,595
Country Rank
133
University
Ranking Based On Selection:
23
Engineering & Technology / Earth Sciences
Gravity field modelling | Geoid determination | Geodetic datum enhancement
Gravity field modelling | Geoid determination | Geodetic datum enhancement
H-Index Metrics
-
H-Index4
-
i10 Index1
-
Citation Counts98
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Premium Data
* Total H Index Rankings
Rankings
2,162,950
World Rank
4,732
Country Rank
591
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
2,225,636
World Rank
5,088
Country Rank
359
University
Ranking Based On Selection:
25
Engineering & Technology / Earth Sciences
Geotechnical engineering | Geomechanics | Soil mechanics | Gas hydrates | Dams and dam safet
Geotechnical engineering | Geomechanics | Soil mechanics | Gas hydrates | Dams and dam safet
H-Index Metrics
-
H-Index3
-
i10 Index0
-
Citation Counts18
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Premium Data
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