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Qatar 54 Scientists H-Index Engineering & Technology / Environmental Science & Engineering Rankings - 2026
Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.
* Total H Index Rankings
Rankings
2,878
World Rank
4
Country Rank
3
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Water Treatment | Waste to Value-added Product
Water Treatment | Waste to Value-added Product
H-Index Metrics
-
Total140
-
Last 5 Years94
-
Last 5 Years / Total0.671
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* Total H Index Rankings
Rankings
24,790
World Rank
18
Country Rank
5
University
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Membrane technology for water and wastewater treatmen
Membrane technology for water and wastewater treatmen
H-Index Metrics
-
Total79
-
Last 5 Years48
-
Last 5 Years / Total0.608
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* Total H Index Rankings
Rankings
53,804
World Rank
49
Country Rank
21
University
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Analytical and environmental chemistry | Environmental Remediation | Validation method in analytical chemistry | Remediation | Adso
Analytical and environmental chemistry | Environmental Remediation | Validation method in analytical chemistry | Remediation | Adso
H-Index Metrics
-
Total61
-
Last 5 Years54
-
Last 5 Years / Total0.885
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* Total H Index Rankings
Rankings
61,888
World Rank
60
Country Rank
28
University
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Climate change ecology | Climate change vulnerability | Vegetation Science | Soil biodiversity | ITE
Climate change ecology | Climate change vulnerability | Vegetation Science | Soil biodiversity | ITE
H-Index Metrics
-
Total58
-
Last 5 Years52
-
Last 5 Years / Total0.897
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* Total H Index Rankings
Rankings
74,999
World Rank
75
Country Rank
20
University
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
Sustainability | Built Environment | Life-Cycle Assessment | Climate Change | Resilient Infrastructur
Sustainability | Built Environment | Life-Cycle Assessment | Climate Change | Resilient Infrastructur
H-Index Metrics
-
Total54
-
Last 5 Years53
-
Last 5 Years / Total0.981
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* Total H Index Rankings
Rankings
75,020
World Rank
76
Country Rank
1
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Desalination | water treatment | environmental engineerin
Desalination | water treatment | environmental engineerin
H-Index Metrics
-
Total54
-
Last 5 Years53
-
Last 5 Years / Total0.981
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* Total H Index Rankings
Rankings
89,918
World Rank
93
Country Rank
23
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
112,558
World Rank
121
Country Rank
57
University
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
CO2 capture and conversion | Water/wastewater treatment | Climate chang
CO2 capture and conversion | Water/wastewater treatment | Climate chang
H-Index Metrics
-
Total46
-
Last 5 Years43
-
Last 5 Years / Total0.935
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* Total H Index Rankings
Rankings
135,977
World Rank
154
Country Rank
32
University
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Electronic and transport properties of nanostructures system
Electronic and transport properties of nanostructures system
H-Index Metrics
-
Total43
-
Last 5 Years27
-
Last 5 Years / Total0.628
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* Total H Index Rankings
Rankings
172,325
World Rank
189
Country Rank
37
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Nanobiotechnology for Energy and Environment | MXenes | Green Materials | Bioprocesses | Resourc
Nanobiotechnology for Energy and Environment | MXenes | Green Materials | Bioprocesses | Resourc
H-Index Metrics
-
Total38
-
Last 5 Years36
-
Last 5 Years / Total0.947
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* Total H Index Rankings
Rankings
195,249
World Rank
221
Country Rank
44
University
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
Computational Materials Science | Physics | Chemistr
Computational Materials Science | Physics | Chemistr
H-Index Metrics
-
Total36
-
Last 5 Years29
-
Last 5 Years / Total0.806
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* Total H Index Rankings
Rankings
219,502
World Rank
243
Country Rank
49
University
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Innovative Desalination Process Development (Thermal | Membrane | Hybrid
Innovative Desalination Process Development (Thermal | Membrane | Hybrid
H-Index Metrics
-
Total34
-
Last 5 Years27
-
Last 5 Years / Total0.794
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* Total H Index Rankings
Rankings
233,122
World Rank
254
Country Rank
51
University
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Membrane Engineering | Electrospinning | Water Desalination | Membrane Distillation and Water Qualit
Membrane Engineering | Electrospinning | Water Desalination | Membrane Distillation and Water Qualit
H-Index Metrics
-
Total33
-
Last 5 Years26
-
Last 5 Years / Total0.788
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* Total H Index Rankings
Rankings
242,786
World Rank
262
Country Rank
53
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
251,121
World Rank
269
Country Rank
12
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
257,636
World Rank
272
Country Rank
57
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
MXene | Graphene | Advanced materials | Membrane technology | Environmental Scienc
MXene | Graphene | Advanced materials | Membrane technology | Environmental Scienc
H-Index Metrics
-
Total31
-
Last 5 Years28
-
Last 5 Years / Total0.903
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* Total H Index Rankings
Rankings
273,380
World Rank
294
Country Rank
63
University
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
Membrane Separations for Water and Wastewater Treatment and DSP for Pharma (protein purification
Membrane Separations for Water and Wastewater Treatment and DSP for Pharma (protein purification
H-Index Metrics
-
Total30
-
Last 5 Years27
-
Last 5 Years / Total0.900
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* Total H Index Rankings
Rankings
278,014
World Rank
298
Country Rank
7
University
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Modelling of Transport and Reacting Phenomena (Air Quality | Risk Assessment | Solar Thermochemical
Modelling of Transport and Reacting Phenomena (Air Quality | Risk Assessment | Solar Thermochemical
H-Index Metrics
-
Total30
-
Last 5 Years23
-
Last 5 Years / Total0.767
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* Total H Index Rankings
Rankings
286,963
World Rank
301
Country Rank
144
University
Ranking Based On Selection:
19
Engineering & Technology / Environmental Science & Engineering
Environment and development | Water governance | WEF Nexus | Environmental policy | Middle Eas
Environment and development | Water governance | WEF Nexus | Environmental policy | Middle Eas
H-Index Metrics
-
Total29
-
Last 5 Years29
-
Last 5 Years / Total1.000
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* Total H Index Rankings
Rankings
309,594
World Rank
335
Country Rank
164
University
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
Fibre Optic Sensing | Underground Construction | Centrifuge Modellin
Fibre Optic Sensing | Underground Construction | Centrifuge Modellin
H-Index Metrics
-
Total28
-
Last 5 Years24
-
Last 5 Years / Total0.857
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* Total H Index Rankings
Rankings
375,247
World Rank
409
Country Rank
198
University
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
Earth and Environmental Studies - Remote Sensing application
Earth and Environmental Studies - Remote Sensing application
H-Index Metrics
-
Total25
-
Last 5 Years20
-
Last 5 Years / Total0.800
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* Total H Index Rankings
Rankings
385,867
World Rank
423
Country Rank
204
University
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Marine cytogenetics | Aquaculture genetics | Marine Genotoxicology | Biodiversity | Sustainabilit
Marine cytogenetics | Aquaculture genetics | Marine Genotoxicology | Biodiversity | Sustainabilit
H-Index Metrics
-
Total25
-
Last 5 Years14
-
Last 5 Years / Total0.560
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* Total H Index Rankings
Rankings
399,323
World Rank
442
Country Rank
96
University
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
2D materials and Heterostructures | Thin Film devices for energy conversion and energy storag
2D materials and Heterostructures | Thin Film devices for energy conversion and energy storag
H-Index Metrics
-
Total24
-
Last 5 Years20
-
Last 5 Years / Total0.833
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* Total H Index Rankings
Rankings
421,045
World Rank
472
Country Rank
103
University
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
Environmental Health | Ambient and indoor air quality | Bioaerosol | indoor pollutio
Environmental Health | Ambient and indoor air quality | Bioaerosol | indoor pollutio
H-Index Metrics
-
Total23
-
Last 5 Years20
-
Last 5 Years / Total0.870
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* Total H Index Rankings
Rankings
442,987
World Rank
486
Country Rank
107
University
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Waste Management | Nano-Materials | Polymer
Waste Management | Nano-Materials | Polymer
H-Index Metrics
-
Total22
-
Last 5 Years21
-
Last 5 Years / Total0.955
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