Top 100 Scientists

Top 100 Scientists in Oman 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (870,053 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
Abdullah Al Mamun
Microbial electrochemistry
BIo-Hydrogen
Membrane Separation
Aanaerobic digestion
Air pollution
Metrics
H-Index
i10 Index
Citation
35
60
3,497
* Rankings
Ranking Based On Selection: 2
Yassine Charabi
Earth and Planetary Sciences
Climate Change
Renewable Energy
Metrics
H-Index
i10 Index
Citation
34
75
7,613
* Rankings
Ranking Based On Selection: 7
Motasem YD Alazaiza
Groundwater Hydrology
Geo-environmental Engineering
Contaminant transport in groundwater
Image
Metrics
H-Index
i10 Index
Citation
22
44
1,797
* Rankings
Ranking Based On Selection: 8
Azizallah Izady
Hydrogeology
Groundwater modeling
Decision support systems
Metrics
H-Index
i10 Index
Citation
21
34
1,230
* Rankings
Ranking Based On Selection: 9
El Said I El Shafey
Environmental chemistry
Analytical chemistry
Water treatment
Adsorption
Waste treatment
Metrics
H-Index
i10 Index
Citation
21
25
2,320
* Rankings
Ranking Based On Selection: 10
Hameed Sulaiman
Environmental Impact Assessment
Pollution remediation and waste management
Climate change adaptation.
Metrics
H-Index
i10 Index
Citation
20
31
1,104

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* Rankings
Ranking Based On Selection: 12
Senthilkumar R
Nano Membrane Technology
Biosorption Environmental Engineering
Renewable Energy
Metrics
H-Index
i10 Index
Citation
13
25
1,038
* Rankings
Ranking Based On Selection: 13
Mahaad Shammas
Environmental and Water Resources Engineering (Groundwater Modeling)
Metrics
H-Index
i10 Index
Citation
11
12
571
* Rankings
Ranking Based On Selection: 17
Ahmed Al-Mayahi
soils and water resources management
sustainable environmental management
HYDRUS modelling
Metrics
H-Index
i10 Index
Citation
7
6
268
* Rankings
Ranking Based On Selection: 20
Mohammad Sadegh Khorshidi|Mohammad S. Khorshidi
Water resources management
Hydrology
Environmental Science
Data Analytics
Genetic Programming
Metrics
H-Index
i10 Index
Citation
6
6
294
* Rankings
Ranking Based On Selection: 21
Saravanan Am
Wastewater treatment
Environmental Engineering
Heat Transfer
Renewable Energy
Metrics
H-Index
i10 Index
Citation
4
1
149
* Rankings
Ranking Based On Selection: 23
Dodeye Ubana
Environmental Management
Occupational Safety and Health
Bioremediation
Metrics
H-Index
i10 Index
Citation
2
0
11
Rankings
Ranking Based On Selection: 1
Abdullah Al Mamun
Metrics
H-Index
i10 Index
Citation Counts
35
60
3,497
Microbial electrochemistry
BIo-Hydrogen
Membrane Separation
Aanaerobic digestion
Air pollution
Rankings
Ranking Based On Selection: 2
Yassine Charabi
Metrics
H-Index
i10 Index
Citation Counts
34
75
7,613
Earth and Planetary Sciences
Climate Change
Renewable Energy
Rankings
Ranking Based On Selection: 3
Mushtaque Ahmed
Metrics
H-Index
i10 Index
Citation Counts
30
69
4,348
Rankings
Ranking Based On Selection: 4
Sivakumar Nallusamy
Metrics
H-Index
i10 Index
Citation Counts
28
48
2,628
Rankings
Ranking Based On Selection: 5
Shaharoona
Metrics
H-Index
i10 Index
Citation Counts
25
27
3,760
Rankings
Ranking Based On Selection: 6
Mohammed Fm Abushammala
Metrics
H-Index
i10 Index
Citation Counts
23
35
1,299
Rankings
Ranking Based On Selection: 7
Motasem YD Alazaiza
Metrics
H-Index
i10 Index
Citation Counts
22
44
1,797
Groundwater Hydrology
Geo-environmental Engineering
Contaminant transport in groundwater
Image
Rankings
Ranking Based On Selection: 8
Azizallah Izady
Metrics
H-Index
i10 Index
Citation Counts
21
34
1,230
Rankings
Ranking Based On Selection: 9
El Said I El Shafey
Metrics
H-Index
i10 Index
Citation Counts
21
25
2,320
Environmental chemistry
Analytical chemistry
Water treatment
Adsorption
Waste treatment
Rankings
Ranking Based On Selection: 10
Hameed Sulaiman
Metrics
H-Index
i10 Index
Citation Counts
20
31
1,104
Environmental Impact Assessment
Pollution remediation and waste management
Climate change adaptation.

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Luminda Gunawardhana
Metrics
H-Index
i10 Index
Citation Counts
15
21
596
Rankings
Ranking Based On Selection: 12
Senthilkumar R
Metrics
H-Index
i10 Index
Citation Counts
13
25
1,038
Nano Membrane Technology
Biosorption Environmental Engineering
Renewable Energy
Rankings
Ranking Based On Selection: 13
Mahaad Shammas
Metrics
H-Index
i10 Index
Citation Counts
11
12
571
Environmental and Water Resources Engineering (Groundwater Modeling)
Rankings
Ranking Based On Selection: 14
Akbar Karimi
Metrics
H-Index
i10 Index
Citation Counts
11
12
481
Rankings
Ranking Based On Selection: 15
Nitin Raut
Metrics
H-Index
i10 Index
Citation Counts
11
13
487
Rankings
Ranking Based On Selection: 16
Mansour Al Haddabi
Metrics
H-Index
i10 Index
Citation Counts
10
10
551
Rankings
Ranking Based On Selection: 17
Ahmed Al-Mayahi
Metrics
H-Index
i10 Index
Citation Counts
7
6
268
soils and water resources management
sustainable environmental management
HYDRUS modelling
Rankings
Ranking Based On Selection: 18
Sajjala Sreedhar Reddy
Metrics
H-Index
i10 Index
Citation Counts
7
6
294
Rankings
Ranking Based On Selection: 19
Siva Subramanian
Metrics
H-Index
i10 Index
Citation Counts
7
5
156
Rankings
Ranking Based On Selection: 20
Mohammad Sadegh Khorshidi|Mohammad S. Khorshidi
Metrics
H-Index
i10 Index
Citation Counts
6
6
294
Water resources management
Hydrology
Environmental Science
Data Analytics
Genetic Programming
Rankings
Ranking Based On Selection: 21
Saravanan Am
Metrics
H-Index
i10 Index
Citation Counts
4
1
149
Wastewater treatment
Environmental Engineering
Heat Transfer
Renewable Energy
Rankings
Ranking Based On Selection: 22
Joefel Jessica Cansino Dumaran
Metrics
H-Index
i10 Index
Citation Counts
2
2
82
Rankings
Ranking Based On Selection: 23
Dodeye Ubana
Metrics
H-Index
i10 Index
Citation Counts
2
0
11
Environmental Management
Occupational Safety and Health
Bioremediation
Rankings
Ranking Based On Selection: 24
Eng Ahmed Al-Hinai
Metrics
H-Index
i10 Index
Citation Counts
1
0
8