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World Scientist and University Rankings 2026
Natural Sciences / Geography 5.598 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 06, 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
1,733
World Rank
18
Country Rank
4
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
1,792
World Rank
52
Country Rank
2
University
Ranking Based On Selection:
2
Natural Sciences / Geography
Geographic Information Systems | GeoAI | Geoinformatics | Spatial Data Minin
Geographic Information Systems | GeoAI | Geoinformatics | Spatial Data Minin
H-Index Metrics
-
H-Index156
-
i10 Index759
-
Citation Counts90,215
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* Total H Index Rankings
Rankings
3,051
World Rank
29
Country Rank
5
University
Ranking Based On Selection:
3
Natural Sciences / Geography
Geography | Remote Sensing | Land Cover | Planetary Health | Health Geograph
Geography | Remote Sensing | Land Cover | Planetary Health | Health Geograph
H-Index Metrics
-
H-Index138
-
i10 Index596
-
Citation Counts89,899
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* Total H Index Rankings
Rankings
5,057
World Rank
444
Country Rank
9
University
Ranking Based On Selection:
4
Natural Sciences / Geography
Sustainability | resilience | ecological economics | human geography | climate chang
Sustainability | resilience | ecological economics | human geography | climate chang
H-Index Metrics
-
H-Index121
-
i10 Index318
-
Citation Counts152,785
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* Total H Index Rankings
Rankings
5,657
World Rank
195
Country Rank
32
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
5,951
World Rank
2,636
Country Rank
23
University
Ranking Based On Selection:
6
Natural Sciences / Geography
Forest ecology | fire ecology | biogeography | disturbance ecology | geograph
Forest ecology | fire ecology | biogeography | disturbance ecology | geograph
H-Index Metrics
-
H-Index117
-
i10 Index328
-
Citation Counts75,128
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* Total H Index Rankings
Rankings
7,170
World Rank
3,175
Country Rank
20
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
7,299
World Rank
677
Country Rank
3
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
7,385
World Rank
3,273
Country Rank
21
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
8,183
World Rank
8
Country Rank
5
University
Ranking Based On Selection:
10
Natural Sciences / Geography
Mycorrhiza | Biogeography | Molecular Ecology | Multitrophic interaction
Mycorrhiza | Biogeography | Molecular Ecology | Multitrophic interaction
H-Index Metrics
-
H-Index107
-
i10 Index265
-
Citation Counts69,220
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* Total H Index Rankings
Rankings
8,226
World Rank
382
Country Rank
2
University
Ranking Based On Selection:
11
Natural Sciences / Geography
Structural Geology | Tectonics | Accretionary Complex | Central Asian Orogenic Bel
Structural Geology | Tectonics | Accretionary Complex | Central Asian Orogenic Bel
H-Index Metrics
-
H-Index107
-
i10 Index473
-
Citation Counts53,697
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* Total H Index Rankings
Rankings
9,716
World Rank
387
Country Rank
36
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
10,048
World Rank
181
Country Rank
24
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
10,187
World Rank
117
Country Rank
29
University
Ranking Based On Selection:
14
Natural Sciences / Geography
Environmental health | human mobility | healthy cities | social justice | GIScienc
Environmental health | human mobility | healthy cities | social justice | GIScienc
H-Index Metrics
-
H-Index101
-
i10 Index384
-
Citation Counts51,948
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* Total H Index Rankings
Rankings
10,278
World Rank
4,479
Country Rank
32
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
10,387
World Rank
955
Country Rank
17
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
11,001
World Rank
4,781
Country Rank
88
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
11,229
World Rank
4,874
Country Rank
16
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
12,000
World Rank
594
Country Rank
4
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
14,139
World Rank
6,115
Country Rank
44
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
14,523
World Rank
1,306
Country Rank
8
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
14,854
World Rank
746
Country Rank
14
University
Ranking Based On Selection:
22
Natural Sciences / Geography
Macroecology | Biogeography | Tropical Ecology | Island Biogeography | Ecoinformatic
Macroecology | Biogeography | Tropical Ecology | Island Biogeography | Ecoinformatic
H-Index Metrics
-
H-Index91
-
i10 Index252
-
Citation Counts44,542
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* Total H Index Rankings
Rankings
14,970
World Rank
759
Country Rank
2
University
Ranking Based On Selection:
23
Natural Sciences / Geography
biogeography | biogeochemistry | climate change | biodiversity | vegetation modellin
biogeography | biogeochemistry | climate change | biodiversity | vegetation modellin
H-Index Metrics
-
H-Index91
-
i10 Index197
-
Citation Counts35,859
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* Total H Index Rankings
Rankings
15,013
World Rank
1,348
Country Rank
54
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
15,472
World Rank
119
Country Rank
33
University
Ranking Based On Selection:
25
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