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World Scientist and University Rankings 2026

Greece Engineering & Technology / Marine Sciences and Engineering 138 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 yearsAs of Jan 05, 2026, the rankings are determined according to the Total H IndexBETA 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 138 scientist , 82 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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26,610
World Rank
124
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Marine Sciences and Engineering
marine conservation | biological invasions | marine ecology | marine biodiversity | ecological monitorin

H-Index Metrics

  • H-Index
    77
  • i10 Index
    235
  • Citation Counts
    22,325
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* Total H Index Rankings

Rankings

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67,047
World Rank
364
Country Rank
139
University
Ranking Based On Selection:
2
Engineering & Technology / Marine Sciences and Engineering
Marine Natural Products | Chemical Ecolog

H-Index Metrics

  • H-Index
    57
  • i10 Index
    211
  • Citation Counts
    10,758
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* Total H Index Rankings

Rankings

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82,396
World Rank
485
Country Rank
36
University
Ranking Based On Selection:
3
Engineering & Technology / Marine Sciences and Engineering
Marine Biology | Marine Ecology | Benthic Ecology | Marine biodiversity | Aquaculture and Environmen

H-Index Metrics

  • H-Index
    53
  • i10 Index
    114
  • Citation Counts
    10,117
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* Total H Index Rankings

Rankings

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114,604
World Rank
774
Country Rank
2
University
Ranking Based On Selection:
4
Engineering & Technology / Marine Sciences and Engineering
Marine Biodiversity | Functional Diversity | Biodiversity Informatics | Transitional Ecosystems | Taxonom

H-Index Metrics

  • H-Index
    46
  • i10 Index
    120
  • Citation Counts
    7,294
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* Total H Index Rankings

Rankings

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128,277
World Rank
893
Country Rank
64
University
Ranking Based On Selection:
5
Engineering & Technology / Marine Sciences and Engineering
aquaculture | fish biology | marine biolog

H-Index Metrics

  • H-Index
    44
  • i10 Index
    78
  • Citation Counts
    7,047
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* Total H Index Rankings

Rankings

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137,669
World Rank
1,000
Country Rank
4
University
Ranking Based On Selection:
6
Engineering & Technology / Marine Sciences and Engineering
Marine Ecology | Oceanography | Deep-Sea Researc

H-Index Metrics

  • H-Index
    43
  • i10 Index
    66
  • Citation Counts
    6,448
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* Total H Index Rankings

Rankings

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142,515
World Rank
1,050
Country Rank
6
University
Ranking Based On Selection:
7

H-Index Metrics

  • H-Index
    42
  • i10 Index
    95
  • Citation Counts
    6,769
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* Total H Index Rankings

Rankings

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151,384
World Rank
1,136
Country Rank
77
University
Ranking Based On Selection:
8
Engineering & Technology / Marine Sciences and Engineering
ship design | ship hydrodynamics | maritime safety | parametric optimization | naval architectur

H-Index Metrics

  • H-Index
    41
  • i10 Index
    163
  • Citation Counts
    7,604
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* Total H Index Rankings

Rankings

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163,785
World Rank
1,253
Country Rank
12
University
Ranking Based On Selection:
9
Engineering & Technology / Marine Sciences and Engineering
Marine Biodiversity | Marine Caves | Benthic Invertebrates | Sponges | Marine Conservatio

H-Index Metrics

  • H-Index
    39
  • i10 Index
    95
  • Citation Counts
    5,418
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* Total H Index Rankings

Rankings

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178,081
World Rank
1,367
Country Rank
14
University
Ranking Based On Selection:
10
Engineering & Technology / Marine Sciences and Engineering
Structural Geology | Tectonics | Marine Geology | Underwater Geoarchaeolog

H-Index Metrics

  • H-Index
    38
  • i10 Index
    92
  • Citation Counts
    5,455
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* Total H Index Rankings

Rankings

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190,458
World Rank
1,496
Country Rank
17
University
Ranking Based On Selection:
11
Engineering & Technology / Marine Sciences and Engineering
Marine Ecology | Fisheries | Conservation Biology | Marine Biodiversit

H-Index Metrics

  • H-Index
    37
  • i10 Index
    93
  • Citation Counts
    4,743
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* Total H Index Rankings

Rankings

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191,191
World Rank
1,513
Country Rank
124
University
Ranking Based On Selection:
12
Engineering & Technology / Marine Sciences and Engineering
Marine Geology | Oceanography | Human Prehistory | Underwater Archaeology

H-Index Metrics

  • H-Index
    37
  • i10 Index
    82
  • Citation Counts
    4,343
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* Total H Index Rankings

Rankings

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195,247
World Rank
1,540
Country Rank
421
University
Ranking Based On Selection:
13
Engineering & Technology / Marine Sciences and Engineering
Environmental chemistry | ecotoxicology | marine pollution | biomarkers of oxidative stres

H-Index Metrics

  • H-Index
    36
  • i10 Index
    41
  • Citation Counts
    13,295
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* Total H Index Rankings

Rankings

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200,908
World Rank
1,593
Country Rank
20
University
Ranking Based On Selection:
14
Engineering & Technology / Marine Sciences and Engineering
Sedimentology | geochemistry | particle dynamics | marine optic

H-Index Metrics

  • H-Index
    36
  • i10 Index
    75
  • Citation Counts
    4,204
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* Total H Index Rankings

Rankings

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208,066
World Rank
1,663
Country Rank
21
University
Ranking Based On Selection:
15
* Total H Index Rankings

Rankings

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211,918
World Rank
1,713
Country Rank
41
University
Ranking Based On Selection:
16
Engineering & Technology / Marine Sciences and Engineering
Energy efficiency | Environmental analysis | Energy management in the shipping sector | Emissions trading policies | Technology of

H-Index Metrics

  • H-Index
    35
  • i10 Index
    50
  • Citation Counts
    4,166
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* Total H Index Rankings

Rankings

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212,291
World Rank
1,718
Country Rank
21
University
Ranking Based On Selection:
17
Engineering & Technology / Marine Sciences and Engineering
Ocean Modelling and data assimilatio

H-Index Metrics

  • H-Index
    35
  • i10 Index
    69
  • Citation Counts
    3,714
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* Total H Index Rankings

Rankings

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214,777
World Rank
1,765
Country Rank
470
University
Ranking Based On Selection:
18
* Total H Index Rankings

Rankings

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220,961
World Rank
1,800
Country Rank
24
University
Ranking Based On Selection:
19
* Total H Index Rankings

Rankings

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233,485
World Rank
1,918
Country Rank
134
University
Ranking Based On Selection:
20
* Total H Index Rankings

Rankings

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233,684
World Rank
1,924
Country Rank
62
University
Ranking Based On Selection:
21
Engineering & Technology / Marine Sciences and Engineering
Oceanography | numerical models | fuzzy models | coastal systems | coastal lagoon

H-Index Metrics

  • H-Index
    33
  • i10 Index
    75
  • Citation Counts
    3,355
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* Total H Index Rankings

Rankings

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246,754
World Rank
2,059
Country Rank
544
University
Ranking Based On Selection:
22
Engineering & Technology / Marine Sciences and Engineering
Micropaleontology | Paleoclimatology | Palaeoceanography | Marine Geology | Biostratigraph

H-Index Metrics

  • H-Index
    32
  • i10 Index
    79
  • Citation Counts
    3,709
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* Total H Index Rankings

Rankings

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249,786
World Rank
2,089
Country Rank
31
University
Ranking Based On Selection:
23
* Total H Index Rankings

Rankings

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251,282
World Rank
2,104
Country Rank
33
University
Ranking Based On Selection:
24

H-Index Metrics

  • H-Index
    32
  • i10 Index
    53
  • Citation Counts
    3,637
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* Total H Index Rankings

Rankings

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253,244
World Rank
2,132
Country Rank
32
University
Ranking Based On Selection:
25
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