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World Scientist and University Rankings 2026
Sudan Engineering & Technology 16 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 02, 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
467,371
World Rank
42
Country Rank
22
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Waste recycling | land degradation and developmen
Waste recycling | land degradation and developmen
H-Index Metrics
-
H-Index22
-
i10 Index50
-
Citation Counts1,389
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* Total H Index Rankings
Rankings
774,632
World Rank
115
Country Rank
29
University
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Environmental Soil Chemistry | Soil Pollution | Soil Remediation | Smart Farming | Sustainable Agricult
Environmental Soil Chemistry | Soil Pollution | Soil Remediation | Smart Farming | Sustainable Agricult
H-Index Metrics
-
H-Index14
-
i10 Index15
-
Citation Counts886
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* Total H Index Rankings
Rankings
863,045
World Rank
155
Country Rank
52
University
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Environmental Health | Atmospheric Environment | Air Pollutio
Environmental Health | Atmospheric Environment | Air Pollutio
H-Index Metrics
-
H-Index12
-
i10 Index13
-
Citation Counts844
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* Total H Index Rankings
Rankings
962,646
World Rank
202
Country Rank
16
University
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Water resources | climate change | agricultur
Water resources | climate change | agricultur
H-Index Metrics
-
H-Index11
-
i10 Index14
-
Citation Counts480
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* Total H Index Rankings
Rankings
1,039,738
World Rank
251
Country Rank
4
University
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
Non Wood Forest Products | Forest Management | Sliviculture | Climate change | Gum Arabic and Baoba
Non Wood Forest Products | Forest Management | Sliviculture | Climate change | Gum Arabic and Baoba
H-Index Metrics
-
H-Index10
-
i10 Index10
-
Citation Counts534
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* Total H Index Rankings
Rankings
1,274,074
World Rank
385
Country Rank
7
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Remote sensing | forest management | climate change | GIS | land us
Remote sensing | forest management | climate change | GIS | land us
H-Index Metrics
-
H-Index8
-
i10 Index5
-
Citation Counts247
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* Total H Index Rankings
Rankings
1,415,736
World Rank
467
Country Rank
12
University
Ranking Based On Selection:
7
Engineering & Technology / Environmental Science & Engineering
Research in agriculture | Environmental Studies and related field
Research in agriculture | Environmental Studies and related field
H-Index Metrics
-
H-Index7
-
i10 Index4
-
Citation Counts214
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* Total H Index Rankings
Rankings
1,440,513
World Rank
496
Country Rank
92
University
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering Chemical Engineerin
Environmental Engineering Chemical Engineerin
H-Index Metrics
-
H-Index7
-
i10 Index3
-
Citation Counts192
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* Total H Index Rankings
Rankings
1,499,978
World Rank
539
Country Rank
105
University
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Natural Resources | Soil and Environment Using Remote sensing and GI
Natural Resources | Soil and Environment Using Remote sensing and GI
H-Index Metrics
-
H-Index6
-
i10 Index5
-
Citation Counts128
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* Total H Index Rankings
Rankings
1,530,650
World Rank
559
Country Rank
200
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Water Chemistry | Geochemistr
Environmental Engineering | Water Chemistry | Geochemistr
H-Index Metrics
-
H-Index6
-
i10 Index4
-
Citation Counts84
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Premium Data
* Total H Index Rankings
Rankings
1,623,856
World Rank
642
Country Rank
7
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
1,777,653
World Rank
743
Country Rank
151
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
2,253,647
World Rank
1,275
Country Rank
285
University
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Mining Engineering | Environmental Engineerin
Mining Engineering | Environmental Engineerin
H-Index Metrics
-
H-Index2
-
i10 Index2
-
Citation Counts31
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* Total H Index Rankings
Rankings
2,351,415
World Rank
1,398
Country Rank
305
University
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Environmental studies. applications of RS and GI
Environmental studies. applications of RS and GI
H-Index Metrics
-
H-Index2
-
i10 Index0
-
Citation Counts12
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* Total H Index Rankings
Rankings
2,568,590
World Rank
1,820
Country Rank
377
University
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
Civil Engineering | Sanitation and Environmental Engineerin
Civil Engineering | Sanitation and Environmental Engineerin
H-Index Metrics
-
H-Index1
-
i10 Index0
-
Citation Counts1
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Premium Data
* Total H Index Rankings
Rankings
2,629,441
World Rank
1,912
Country Rank
58
University
Ranking Based On Selection:
16
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