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
Geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
105
0.621
* Total i10 IndexRankings
Ranking Based On Selection :2
Earth Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
38
0.633
* Total i10 IndexRankings
Ranking Based On Selection :3
Sedimentology
Stratigraphy
Precambrian Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
41
0.774
* Total i10 IndexRankings
Ranking Based On Selection :4
Hydrogeology and environmental geosciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
28
0.757
* Total i10 IndexRankings
Ranking Based On Selection :5
coasts
tectonics
earthquake
tsunami
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
* Total i10 IndexRankings
Ranking Based On Selection :6
Geology
Tectonics
Mineral Exploration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
18
0.600
* Total i10 IndexRankings
Ranking Based On Selection :7
Structural Geology
Geodynamics
Mineralogy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
28
1.000
* Total i10 IndexRankings
Ranking Based On Selection :8
Structural Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
23
0.852
* Total i10 IndexRankings
Ranking Based On Selection :9
Economic Geology/ Precambrian Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
16
0.727
* Total i10 IndexRankings
Ranking Based On Selection :10
Geophysics
Seismic hazard
Earthquake Seismology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
* Total i10 IndexRankings
Ranking Based On Selection :11
Sedimentology
Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
12
0.600
* Total i10 IndexRankings
Ranking Based On Selection :12
GIS
Remote Sensing
Natural Hazards
Disaster Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
10
0.588
* Total i10 IndexRankings
Ranking Based On Selection :13
Geology
Structural Geology
Regional Geology
Fractured Reservoirs
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
4
0.400
* Total i10 IndexRankings
Ranking Based On Selection :14
Geomatics:GIS and remote sensing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
* Total i10 IndexRankings
Ranking Based On Selection :15
Earth Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 IndexRankings
Ranking Based On Selection :16
Geotechnical Engineeing
Infrastructures
Numerical Simulation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :17
Geotechnical engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :18
Geotechnical engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Arshad Ali
Sultan Qaboos University
Muscat, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
105
0.621
Sobhi Jaber Nasir
Sultan Qaboos University
Muscat, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
38
0.633
Rajat Mazumder
German University of Technology in Oman
Al Athaiba, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
41
0.774
Sedimentology
Stratigraphy
Precambrian Geology
Osman Abdalla
Sultan Qaboos University
Muscat, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
28
0.757
Hydrogeology and environmental geosciences
Gösta Hoffmann
German University of Technology in Oman
Al Athaiba, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
coasts
tectonics
earthquake
tsunami
Wilfried Bauer
German University of Technology in Oman
Al Athaiba, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
18
0.600
Geology
Tectonics
Mineral Exploration
Andreas Scharf
Sultan Qaboos University
Muscat, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
28
1.000
Structural Geology
Geodynamics
Mineralogy
Ivan Callegari
German University of Technology in Oman
Al Athaiba, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
23
0.852
Salah Al Khirbash
Sultan Qaboos University
Muscat, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
16
0.727
Economic Geology/ Precambrian Geology
Issa El Hussain
Sultan Qaboos University
Muscat, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
15
0.750
Geophysics
Seismic hazard
Earthquake Seismology
Iftikhar Ahmed Abbasi
Sultan Qaboos University
Muscat, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
12
0.600
Rifaat Abdalla
Sultan Qaboos University
Muscat, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
10
0.588
GIS
Remote Sensing
Natural Hazards
Disaster Management
Loïc Bazalgette
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
4
0.400
Geology
Structural Geology
Regional Geology
Fractured Reservoirs
Eyad Fadda
Sultan Qaboos University
Muscat, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
Geomatics:GIS and remote sensing
Talal Al Hosni
Sultan Qaboos University
Muscat, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
Mohamed El-Taher
A'Sharqiyah University
Ibra, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Geotechnical Engineeing
Infrastructures
Numerical Simulation
Haydar Faez Hassan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Subhi A Ali
University of Nizwa
Nizwa, Oman
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000