This real-time ranking measures researchers’ academic productivity and impact at global, continental, national, and institutional levels using total and recent 5-year H-index data. Comparative analysis is available across 13 main fields and 221 academic disciplines.
* Total H Index Rankings
Rankings
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Photocatalysis | Solar fuel | Advanced oxidation process | Environmental chemistry | Environmental engineerin
Photocatalysis | Solar fuel | Advanced oxidation process | Environmental chemistry | Environmental engineerin
H-Index Metrics
-
Total126
-
Last 5 Years79
-
Last 5 Years / Total0.627
* Total H Index Rankings
Rankings
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
BioEnergy | Environmental Engineering | Resource Recover
BioEnergy | Environmental Engineering | Resource Recover
H-Index Metrics
-
Total93
-
Last 5 Years79
-
Last 5 Years / Total0.849
* Total H Index Rankings
Rankings
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
water | desalination | appropriate technology | lithium separatio
water | desalination | appropriate technology | lithium separatio
H-Index Metrics
-
Total93
-
Last 5 Years64
-
Last 5 Years / Total0.688
* Total H Index Rankings
Rankings
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Environmental Sustainable Energy | Chemica
Environmental Sustainable Energy | Chemica
H-Index Metrics
-
Total91
-
Last 5 Years84
-
Last 5 Years / Total0.923
* Total H Index Rankings
Rankings
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Bioenergy production | Waste energy conversion | Water-energy-nexus | Environmental Catalys
Environmental Engineering | Bioenergy production | Waste energy conversion | Water-energy-nexus | Environmental Catalys
H-Index Metrics
-
Total85
-
Last 5 Years80
-
Last 5 Years / Total0.941
* Total H Index Rankings
Rankings
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Environment | Nuclear Waste Treatment | New and Renewable Energ
Environment | Nuclear Waste Treatment | New and Renewable Energ
H-Index Metrics
-
Total73
-
Last 5 Years53
-
Last 5 Years / Total0.726
* Total H Index Rankings
Rankings
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Wastewater treatment | Membrane technologies | Constructed wetland | Anaerobic digestion | Environmenta
Wastewater treatment | Membrane technologies | Constructed wetland | Anaerobic digestion | Environmenta
H-Index Metrics
-
Total71
-
Last 5 Years67
-
Last 5 Years / Total0.944
* Total H Index Rankings
Rankings
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Dissolved organic matter | natural organic matte
Dissolved organic matter | natural organic matte
H-Index Metrics
-
Total72
-
Last 5 Years60
-
Last 5 Years / Total0.833
* Total H Index Rankings
Rankings
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
membrane separation | water desalination | nanomaterials | hemodialysis | water-energy nexu
membrane separation | water desalination | nanomaterials | hemodialysis | water-energy nexu
H-Index Metrics
-
Total70
-
Last 5 Years49
-
Last 5 Years / Total0.700
* Total H Index Rankings
Rankings
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
Chemical engineering | Environmental engineering | Heterogeneous catalysis | Hydrogen productio
Chemical engineering | Environmental engineering | Heterogeneous catalysis | Hydrogen productio
H-Index Metrics
-
Total68
-
Last 5 Years45
-
Last 5 Years / Total0.662
* Total H Index Rankings
Rankings
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Environmental Chemistry | Environmental Toxicolog
Environmental Chemistry | Environmental Toxicolog
H-Index Metrics
-
Total66
-
Last 5 Years51
-
Last 5 Years / Total0.773
* Total H Index Rankings
Rankings
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Environmental engineering | Water and wastewater treatment | Advanced oxidation process | Water chemistry | Disinfectio
Environmental engineering | Water and wastewater treatment | Advanced oxidation process | Water chemistry | Disinfectio
H-Index Metrics
-
Total65
-
Last 5 Years52
-
Last 5 Years / Total0.800
* Total H Index Rankings
Rankings
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Climate | Atmosphere | climate change | El Nino | Ocea
Climate | Atmosphere | climate change | El Nino | Ocea
H-Index Metrics
-
Total65
-
Last 5 Years48
-
Last 5 Years / Total0.738
* Total H Index Rankings
Rankings
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
climate sciences | atmospheric sciences | environmental science
climate sciences | atmospheric sciences | environmental science
H-Index Metrics
-
Total65
-
Last 5 Years42
-
Last 5 Years / Total0.646
* Total H Index Rankings
Rankings
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
Environmental nanomaterials | Water and wastewater treatment | Membrane filtratio
Environmental nanomaterials | Water and wastewater treatment | Membrane filtratio
H-Index Metrics
-
Total61
-
Last 5 Years58
-
Last 5 Years / Total0.951
* Total H Index Rankings
Rankings
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Environmental engineering | Water treatment | Nano-technology | Mine reclamatio
Environmental engineering | Water treatment | Nano-technology | Mine reclamatio
H-Index Metrics
-
Total61
-
Last 5 Years52
-
Last 5 Years / Total0.852
* Total H Index Rankings
Rankings
Ranking Based On Selection:
19
Engineering & Technology / Environmental Science & Engineering
ecotoxicity | microplastics | nanomaterials | soil toxicity | ecological risk assessmen
ecotoxicity | microplastics | nanomaterials | soil toxicity | ecological risk assessmen
H-Index Metrics
-
Total59
-
Last 5 Years49
-
Last 5 Years / Total0.831
* Total H Index Rankings
Rankings
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
climate science | climate dynamics | statistical climatolog
climate science | climate dynamics | statistical climatolog
H-Index Metrics
-
Total58
-
Last 5 Years44
-
Last 5 Years / Total0.759
* Total H Index Rankings
Rankings
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
Functional Nanomaterials | Energy and Environmental applications | Wastewater Treatment | Sensor
Functional Nanomaterials | Energy and Environmental applications | Wastewater Treatment | Sensor
H-Index Metrics
-
Total57
-
Last 5 Years52
-
Last 5 Years / Total0.912
* Total H Index Rankings
Rankings
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Cation–π interaction | adhesive | catechol | complex coacervate | Ocean Carbon Captur
Cation–π interaction | adhesive | catechol | complex coacervate | Ocean Carbon Captur
H-Index Metrics
-
Total57
-
Last 5 Years47
-
Last 5 Years / Total0.825
* Total H Index Rankings
Rankings
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Energy Science | Membrane Technology | Water Scienc
Environmental Engineering | Energy Science | Membrane Technology | Water Scienc
H-Index Metrics
-
Total57
-
Last 5 Years38
-
Last 5 Years / Total0.667
* Total H Index Rankings
Rankings
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Water Resources | Hydroinformatics | Hydrology | Multi-Criteria Decision Makin
Water Resources | Hydroinformatics | Hydrology | Multi-Criteria Decision Makin
H-Index Metrics
-
Total55
-
Last 5 Years44
-
Last 5 Years / Total0.800

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