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
Citation Metrics
-
Total45,367
-
Last 5 Years27,202
-
Last 5 Years / Total0.600
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Environmental engineering | water | reuse | solid waste | recyclin
Environmental engineering | water | reuse | solid waste | recyclin
Citation Metrics
-
Total43,235
-
Last 5 Years18,462
-
Last 5 Years / Total0.427
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Environmental microbiology and biotechnology | MBR | Biological wastewater treatmen
Environmental microbiology and biotechnology | MBR | Biological wastewater treatmen
Citation Metrics
-
Total41,854
-
Last 5 Years21,535
-
Last 5 Years / Total0.515
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Pyrolysis | Microwave Pyrolysis | Waste and Biomass Recovery | Water & Wastewater Treatment | Biocha
Pyrolysis | Microwave Pyrolysis | Waste and Biomass Recovery | Water & Wastewater Treatment | Biocha
Citation Metrics
-
Total38,724
-
Last 5 Years36,082
-
Last 5 Years / Total0.932
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
5
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:
6
Engineering & Technology / Environmental Science & Engineering
Cardiovascular diseases | Air pollution | Meta-analysi
Cardiovascular diseases | Air pollution | Meta-analysi
Citation Metrics
-
Total31,499
-
Last 5 Years24,576
-
Last 5 Years / Total0.780
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
7
Engineering & Technology / Environmental Science & Engineering
Numerical Weather Prediction | Data Assimilation | Climate Science | Reanalysi
Numerical Weather Prediction | Data Assimilation | Climate Science | Reanalysi
Citation Metrics
-
Total29,239
-
Last 5 Years12,417
-
Last 5 Years / Total0.425
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Droughts | Climate Change | Statistical hydrology | Groundwater hydrology | Hydrologica
Droughts | Climate Change | Statistical hydrology | Groundwater hydrology | Hydrologica
Citation Metrics
-
Total28,748
-
Last 5 Years24,125
-
Last 5 Years / Total0.839
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Environmental Science | Chemical Engineering | Nanomaterial
Environmental Engineering | Environmental Science | Chemical Engineering | Nanomaterial
Citation Metrics
-
Total26,548
-
Last 5 Years15,464
-
Last 5 Years / Total0.582
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Environmental governance | climate change adaptation | sustainability science | knowledge systems | narrative
Environmental governance | climate change adaptation | sustainability science | knowledge systems | narrative
Citation Metrics
-
Total25,015
-
Last 5 Years9,396
-
Last 5 Years / Total0.376
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
Water Resources | Optimization Model | Dam Operation | Artificial Neural networ
Water Resources | Optimization Model | Dam Operation | Artificial Neural networ
Citation Metrics
-
Total22,895
-
Last 5 Years18,200
-
Last 5 Years / Total0.795
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Bioprocessing | Biorefinery | Food processing | Microalgae technology | Sustainabilit
Bioprocessing | Biorefinery | Food processing | Microalgae technology | Sustainabilit
Citation Metrics
-
Total21,739
-
Last 5 Years21,077
-
Last 5 Years / Total0.970
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Water Treatment Technology | Water Security Management | Waste Utilization | Water-Food Nexu
Water Treatment Technology | Water Security Management | Waste Utilization | Water-Food Nexu
Citation Metrics
-
Total21,145
-
Last 5 Years10,769
-
Last 5 Years / Total0.509
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
14
Citation Metrics
-
Total18,342
-
Last 5 Years8,542
-
Last 5 Years / Total0.466
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
wastewater treatment | recreational water quality | public health | environmental microbiology | biofilm
wastewater treatment | recreational water quality | public health | environmental microbiology | biofilm
Citation Metrics
-
Total18,249
-
Last 5 Years9,549
-
Last 5 Years / Total0.523
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Membrane Separation | Environmental Nanotechnology | Water and Desalination | Environmental Material
Environmental Engineering | Membrane Separation | Environmental Nanotechnology | Water and Desalination | Environmental Material
Citation Metrics
-
Total18,098
-
Last 5 Years5,732
-
Last 5 Years / Total0.317
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Waste and wastewater treatment | Phytoremediation | Waste Audit and Management | Waste Recovery and Mini
Environmental Engineering | Waste and wastewater treatment | Phytoremediation | Waste Audit and Management | Waste Recovery and Mini
Citation Metrics
-
Total17,746
-
Last 5 Years13,569
-
Last 5 Years / Total0.765
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
18
Citation Metrics
-
Total17,744
-
Last 5 Years17,066
-
Last 5 Years / Total0.962
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
19
Citation Metrics
-
Total17,346
-
Last 5 Years16,360
-
Last 5 Years / Total0.943
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
Microbial fuel cells | Photocatalysis | Adsorption | Phytoremediation | Wastewater treatmen
Microbial fuel cells | Photocatalysis | Adsorption | Phytoremediation | Wastewater treatmen
Citation Metrics
-
Total16,950
-
Last 5 Years7,708
-
Last 5 Years / Total0.455
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Water and Wastewater Treatment | Solid Waste Managemen
Environmental Engineering | Water and Wastewater Treatment | Solid Waste Managemen
Citation Metrics
-
Total15,645
-
Last 5 Years6,573
-
Last 5 Years / Total0.420
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Supercritical Fluid Technology | wastewater and water treatment | food technology | polymer | clinical solid waste
Supercritical Fluid Technology | wastewater and water treatment | food technology | polymer | clinical solid waste
Citation Metrics
-
Total15,060
-
Last 5 Years8,234
-
Last 5 Years / Total0.547
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
Biopolymers | Composite Biomaterials | Activated Carbon | Adsorption | Response Surface Methodolog
Biopolymers | Composite Biomaterials | Activated Carbon | Adsorption | Response Surface Methodolog
Citation Metrics
-
Total14,288
-
Last 5 Years13,295
-
Last 5 Years / Total0.931
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
Indoor Air Quality | building performance | energy | indoor environmen
Indoor Air Quality | building performance | energy | indoor environmen
Citation Metrics
-
Total13,836
-
Last 5 Years9,292
-
Last 5 Years / Total0.672
* Total Citation Counts Rankings
Rankings
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Energy and Climate Policy | Cities and Climate Change | Cross-border Power Trade | Energy Access | Energy Modelling and Scenari
Energy and Climate Policy | Cities and Climate Change | Cross-border Power Trade | Energy Access | Energy Modelling and Scenari
Citation Metrics
-
Total13,715
-
Last 5 Years8,861
-
Last 5 Years / Total0.646
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