See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Hydrogen | Catalysis | Reforming | Photocatalysis | Fischer-Tropsch synthesi
Hydrogen | Catalysis | Reforming | Photocatalysis | Fischer-Tropsch synthesi
Citation Metrics
-
Total35,729
-
Last 5 Years34,747
-
Last 5 Years / Total0.973
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Environmental chemistry | persistent organic pollutants | endocrine active chemicals | toxic heavy metals | human exposur
Environmental chemistry | persistent organic pollutants | endocrine active chemicals | toxic heavy metals | human exposur
Citation Metrics
-
Total9,309
-
Last 5 Years4,761
-
Last 5 Years / Total0.511
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Quản lý tài nguyên rừng | chính sách lâm nghiệ
Quản lý tài nguyên rừng | chính sách lâm nghiệ
Citation Metrics
-
Total6,233
-
Last 5 Years4,731
-
Last 5 Years / Total0.759
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
4
Citation Metrics
-
Total4,593
-
Last 5 Years1,986
-
Last 5 Years / Total0.432
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
5
Citation Metrics
-
Total4,451
-
Last 5 Years2,143
-
Last 5 Years / Total0.481
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Environmental Science | Wastewater Treatment Technology | Water Quality Assessment | Climate Chang
Environmental Science | Wastewater Treatment Technology | Water Quality Assessment | Climate Chang
Citation Metrics
-
Total3,265
-
Last 5 Years3,246
-
Last 5 Years / Total0.994
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
7
Engineering & Technology / Environmental Science & Engineering
Financial Data Science | Machine Learning | Artificial intelligenc
Financial Data Science | Machine Learning | Artificial intelligenc
Citation Metrics
-
Total2,845
-
Last 5 Years2,636
-
Last 5 Years / Total0.927
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
8
Citation Metrics
-
Total2,599
-
Last 5 Years2,042
-
Last 5 Years / Total0.786
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
9
Citation Metrics
-
Total2,516
-
Last 5 Years1,562
-
Last 5 Years / Total0.621
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Bioenergy | Waste management | Anaerobic digestio
Bioenergy | Waste management | Anaerobic digestio
Citation Metrics
-
Total2,502
-
Last 5 Years1,946
-
Last 5 Years / Total0.778
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
11
Citation Metrics
-
Total2,396
-
Last 5 Years2,244
-
Last 5 Years / Total0.937
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Regional Climate Modelling and Climate Change | S2S Predictio
Regional Climate Modelling and Climate Change | S2S Predictio
Citation Metrics
-
Total2,299
-
Last 5 Years1,879
-
Last 5 Years / Total0.817
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Water Quality Water Treatment Degradation Water and Wastewater Treatment Biocha
Water Quality Water Treatment Degradation Water and Wastewater Treatment Biocha
Citation Metrics
-
Total2,144
-
Last 5 Years2,076
-
Last 5 Years / Total0.968
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Geotechnical Engineering | Geostatistics | Environmental Engineering | Reliability Analysi
Geotechnical Engineering | Geostatistics | Environmental Engineering | Reliability Analysi
Citation Metrics
-
Total2,098
-
Last 5 Years1,966
-
Last 5 Years / Total0.937
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
Remote sensing | climate change | mountain and glacier research | Environmental monitorin
Remote sensing | climate change | mountain and glacier research | Environmental monitorin
Citation Metrics
-
Total2,088
-
Last 5 Years1,757
-
Last 5 Years / Total0.841
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
Environmental hydrology | Environmental modeling | hydro-meteorological extremes | Climate change | Water resources managemen
Environmental hydrology | Environmental modeling | hydro-meteorological extremes | Climate change | Water resources managemen
Citation Metrics
-
Total2,063
-
Last 5 Years1,767
-
Last 5 Years / Total0.857
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
17
Citation Metrics
-
Total2,068
-
Last 5 Years1,658
-
Last 5 Years / Total0.802
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
Circular economy | Wastewater treatment | Membrane separation | Desalination | Renewable energ
Circular economy | Wastewater treatment | Membrane separation | Desalination | Renewable energ
Citation Metrics
-
Total2,003
-
Last 5 Years1,456
-
Last 5 Years / Total0.727
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
19
Engineering & Technology / Environmental Science & Engineering
environmental science | nanotechnology | air pollution contro
environmental science | nanotechnology | air pollution contro
Citation Metrics
-
Total1,988
-
Last 5 Years1,895
-
Last 5 Years / Total0.953
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
20
Citation Metrics
-
Total1,771
-
Last 5 Years1,446
-
Last 5 Years / Total0.816
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
2D Materials | Hydrogen evolution reaction | Catalysis | Optoelectronic
2D Materials | Hydrogen evolution reaction | Catalysis | Optoelectronic
Citation Metrics
-
Total1,709
-
Last 5 Years930
-
Last 5 Years / Total0.544
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Photocatalysis | Materials | Environmental Engineerin
Photocatalysis | Materials | Environmental Engineerin
Citation Metrics
-
Total1,632
-
Last 5 Years1,490
-
Last 5 Years / Total0.913
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
Nuclear physics | Applied nuclear physics | material science | environmental scienc
Nuclear physics | Applied nuclear physics | material science | environmental scienc
Citation Metrics
-
Total1,477
-
Last 5 Years840
-
Last 5 Years / Total0.569
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
24
Citation Metrics
-
Total1,419
-
Last 5 Years1,289
-
Last 5 Years / Total0.908
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Environ. Eng. | Photocatalysis | Natural Products | Material Science | Computational Chemistr
Environ. Eng. | Photocatalysis | Natural Products | Material Science | Computational Chemistr
Citation Metrics
-
Total1,404
-
Last 5 Years1,383
-
Last 5 Years / Total0.985
Unify strategy, analytics, and growth in one powerful platform. Turn academic data into actionable strategy for sustainable excellence.
Track your performance in real time — benchmark, compare, and improve. Stay ahead with instant insights and global peer comparisons.
Attract world-class talent across 211 disciplines. Find, connect, and recruit the brightest minds worldwide.
Unlock researcher and institutional impact with transparent contribution scores. Recognize, measure, and reward academic excellence at every level.
🌍 Be Our Partner: Representation & Collaboration
Represent AD Scientific Index in your country or region — and grow with us.
- ✅ Official recognition as a regional partner
- ✅ Visibility partnership with full brand support
- ✅ Help institutions in your region enhance their academic visibility
- ✅ Contribute to value-driven projects with measurable academic impact