Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as Scientists Last 6 Years' i10 Index, Universities Total i10 Index Rankings 2025, Universities Last 6 Years' i10 Index Rankings 2025, Art and Humanities i10 Productivity Rankings, and Social Sciences and Humanities i10 Productivity Rankings.
* Total i10 IndexRankings
Ranking Based On Selection :1
sustainability engineering
biogas
LCA
Future Technologies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
191
155
0.812
* Total i10 IndexRankings
Ranking Based On Selection :2
Water research
nanotechnology and Membrane Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
29
0.879
* Total i10 IndexRankings
Ranking Based On Selection :3
Environmental Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
23
0.885
* Total i10 IndexRankings
Ranking Based On Selection :4
Environmental and Natural Resource Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
16
0.941
* Total i10 IndexRankings
Ranking Based On Selection :5
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
10
0.833
* Total i10 IndexRankings
Ranking Based On Selection :6
Environmental
Contamination
Pollution
Remediation
Human Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :7
Engineering Management
Circular Economy
Environmental Sustainability
Material Flow and Value Chain
Alternative Energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :8
Environmental remediation
Wastewater treatment
Agricultural residues
Wood chemicals
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection :9
Water
Sanitation
Hygiene
Waste Management
environmental impact assessment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :10
Climate change
water resources
hydropower
urban river restoration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :11
environmental health
public health
air pollution and climate change and occupational health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :12
Water Resources
Environmental Science
Climate change
Agricultural Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :13
Environmental Science
Sustainable Built Environment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :14
Life and Environmental sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :15
Environmental Engineering
Waste to Energy Conversion
Waste Management
Nanotechnology
Circular Economy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :16
Water Quality
Climate Change
Environmental Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Charles Mbohwa
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
191
155
0.812
sustainability engineering
biogas
LCA
Future Technologies
Soraya Sithole-Malinga
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
29
0.879
Water research
nanotechnology and Membrane Science
Isaac T Rampedi
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
23
0.885
Environmental Sciences
Johane Dikgang
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
16
0.941
Environmental and Natural Resource Economics
Atheesha Singh|Atheesha Ganesh
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
10
0.833
Godwin Uchenna Okereafor
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Environmental
Contamination
Pollution
Remediation
Human Health
Kunle Ibukun Olatayo
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Engineering Management
Circular Economy
Environmental Sustainability
Material Flow and Value Chain
Alternative Energy
Omo-Okoro Pn
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Environmental remediation
Wastewater treatment
Agricultural residues
Wood chemicals
Renay Van Wyk
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Water
Sanitation
Hygiene
Waste Management
environmental impact assessment
German Nkhonjera
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Climate change
water resources
hydropower
urban river restoration
Shalin Bidassey-Manilal
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
environmental health
public health
air pollution and climate change and occupational health
Simeneh S. Moges
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Water Resources
Environmental Science
Climate change
Agricultural Engineering
Mpho Ndou
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Environmental Science
Sustainable Built Environment
Teboho Nicholus Tsotetsi
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Life and Environmental sciences
Oluwagbenga Abiola Olawuni
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Environmental Engineering
Waste to Energy Conversion
Waste Management
Nanotechnology
Circular Economy
Ramovha Ndivhuwo
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Water Quality
Climate Change
Environmental Sciences