Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: 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
Groundwater
Groundwater modeling
Water Resources Management
Slatwater Intrusion
Transboundary Aquifers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
57
0.983
* Total i10 IndexRankings
Ranking Based On Selection :2
Environmental and Sanitary Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
* Total i10 IndexRankings
Ranking Based On Selection :3
Water treatment
Wastewater treatment
Anaerobic digesion
Hydrogen production
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
Ahmed Sefelnasr
Assiut University
Asyut, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
57
0.983
Groundwater
Groundwater modeling
Water Resources Management
Slatwater Intrusion
Transboundary Aquifers
Ali A Mohamed Gad
Assiut University
Asyut, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
Environmental and Sanitary Engineering
Ahmed Mustafa Farghaly
Assiut University
Asyut, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
Water treatment
Wastewater treatment
Anaerobic digesion
Hydrogen production