The ranking of “Top 100” scientists is based on total h-index scores. Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, EECA, BRICS, and COMESA 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, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (829,221 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
World Rank
610,537
Country Rank
2,220
Institution Rank :
78
Environmental toxicology
Environmental Public Health
Clinical Biochemistry
Phytomedicine
Metrics
H-Index
i10 Index
Citation
16
22
919
* Rankings
World Rank
674,431
Country Rank
2,982
Institution Rank :
110
Geoenvironmental Engineering
Hazard risk assessment
Machine learning
Geostatistics
Metrics
H-Index
i10 Index
Citation
14
17
444
* Rankings
World Rank
696,946
Country Rank
3,317
Institution Rank :
117
Environmental Pollution and Toxicology
Metrics
H-Index
i10 Index
Citation
14
20
701
* Rankings
World Rank
762,311
Country Rank
4,370
Institution Rank :
150
Environmental Biotechnology
Waste Management
Pollution Studies
Metrics
H-Index
i10 Index
Citation
13
16
508
* Rankings
World Rank
1,019,165
Country Rank
10,115
Institution Rank :
27
Renewable & Low Carbon Energy
Thermal Power & Propulsion
Exergy
Environmental sustainability
Metrics
H-Index
i10 Index
Citation
8
8
288
* Rankings
World Rank
1,032,228
Country Rank
10,405
Institution Rank :
28
engineering
Metrics
H-Index
i10 Index
Citation
8
7
228
* Rankings
World Rank
1,043,155
Country Rank
10,679
Institution Rank :
420
Environmental Management
Pollution Studies and Land Resource Evaluation
Metrics
H-Index
i10 Index
Citation
8
5
166
* Rankings
World Rank
1,100,214
Country Rank
12,298
Institution Rank :
491
Nanomaterials
Nanomedicine
Hybrid materials
Environmental Science
Metrics
H-Index
i10 Index
Citation
7
7
205
* Rankings
World Rank
1,126,836
Country Rank
12,954
Institution Rank :
511
Geography
Environmental Science
Population and Development
Geographic Information Systems
Conflict
Metrics
H-Index
i10 Index
Citation
7
5
141
* Rankings
World Rank
1,226,277
Country Rank
15,665
Institution Rank :
620
Urban/Regional Development Planning
Transportation Planning
Remote Sensing/Geographic Information Systems
Metrics
H-Index
i10 Index
Citation
6
4
124
* Rankings
World Rank
1,460,164
Country Rank
22,485
Institution Rank :
896
Political Ecology
EIA
GIS
Water Quality Studies
Environmental Sustainability
Metrics
H-Index
i10 Index
Citation
4
3
105
* Rankings
World Rank
1,561,015
Country Rank
25,728
Institution Rank :
1,022
Industrial and Medical Geography
Metrics
H-Index
i10 Index
Citation
4
2
91
* Rankings
World Rank
1,815,053
Country Rank
33,294
Institution Rank :
1,279
Environmental Studies
Metrics
H-Index
i10 Index
Citation
2
1
154
* Rankings
World Rank
1,906,596
Country Rank
36,257
Institution Rank :
88
Rural Studies
Community Development
Rural Livelihood
Climate Change
Agricultural Extension
Metrics
H-Index
i10 Index
Citation
2
0
13
* Rankings
World Rank
1,955,622
Country Rank
38,407
Institution Rank :
92
Environmental Engineering and Geotechnics
Metrics
H-Index
i10 Index
Citation
2
0
7
* Rankings
World Rank
2,059,038
Country Rank
41,299
Institution Rank :
1,568
Environmental Management and Control
Climate Change
Metrics
H-Index
i10 Index
Citation
1
0
10
* Rankings
World Rank
2,074,619
Country Rank
41,808
Institution Rank :
102
Environmental management
Forest pathology
Metrics
H-Index
i10 Index
Citation
1
0
7
* Rankings
World Rank
2,083,964
Country Rank
42,165
Institution Rank :
105
Waste water engineering
Fluid mechanics
Hydrology
Environmental engineering
water resources
Metrics
H-Index
i10 Index
Citation
1
0
6
* Rankings
World Rank
2,180,569
Country Rank
46,689
Institution Rank :
1,748
Climate Change
Geographic Information System
Remote Sensing
Agricultural Geography
Metrics
H-Index
i10 Index
Citation
1
0
1
Rankings
610,537
2,220
78
Michael Oko Odey
Metrics
H-Index
i10 Index
Citation Counts
16
22
919
Environmental toxicology
Environmental Public Health
Clinical Biochemistry
Phytomedicine
Rankings
674,431
2,982
110
Omeka Michael
Metrics
H-Index
i10 Index
Citation Counts
14
17
444
Geoenvironmental Engineering
Hazard risk assessment
Machine learning
Geostatistics
Rankings
696,946
3,317
117
Udiba Udiba U
Metrics
H-Index
i10 Index
Citation Counts
14
20
701
Environmental Pollution and Toxicology
Rankings
762,311
4,370
150
Environmental Biotechnology
Waste Management
Pollution Studies
Rankings
1,019,165
10,115
27
Samuel Oliver Effiom
Metrics
H-Index
i10 Index
Citation Counts
8
8
288
Renewable & Low Carbon Energy
Thermal Power & Propulsion
Exergy
Environmental sustainability
Rankings
1,043,155
10,679
420
Uquetan, Uquetan Ibor
Metrics
H-Index
i10 Index
Citation Counts
8
5
166
Environmental Management
Pollution Studies and Land Resource Evaluation
Rankings
1,100,214
12,298
491
Providence B. Ashishie
Metrics
H-Index
i10 Index
Citation Counts
7
7
205
Nanomaterials
Nanomedicine
Hybrid materials
Environmental Science
Rankings
1,126,836
12,954
511
Chukwudi Njoku
Metrics
H-Index
i10 Index
Citation Counts
7
5
141
Geography
Environmental Science
Population and Development
Geographic Information Systems
Conflict
Rankings
1,226,277
15,665
620
Inah Eteng Okon
Metrics
H-Index
i10 Index
Citation Counts
6
4
124
Urban/Regional Development Planning
Transportation Planning
Remote Sensing/Geographic Information Systems
Rankings
1,460,164
22,485
896
Tokunbo Alaga Olorundami
Metrics
H-Index
i10 Index
Citation Counts
4
3
105
Political Ecology
EIA
GIS
Water Quality Studies
Environmental Sustainability
Rankings
1,561,015
25,728
1,022
Innocent Chigbe Ekwok
Metrics
H-Index
i10 Index
Citation Counts
4
2
91
Industrial and Medical Geography
Rankings
1,815,053
33,294
1,279
Ikpi Abam Arikpo
Metrics
H-Index
i10 Index
Citation Counts
2
1
154
Environmental Studies
Rankings
1,906,596
36,257
88
Nsa Akiba Ayi
Metrics
H-Index
i10 Index
Citation Counts
2
0
13
Rural Studies
Community Development
Rural Livelihood
Climate Change
Agricultural Extension
Rankings
1,955,622
38,407
92
Iniko Ekeng Bassey
Metrics
H-Index
i10 Index
Citation Counts
2
0
7
Environmental Engineering and Geotechnics
Rankings
2,059,038
41,299
1,568
Joy William Undie Atsa
Metrics
H-Index
i10 Index
Citation Counts
1
0
10
Environmental Management and Control
Climate Change
Rankings
2,074,619
41,808
102
Etim Eo Ndibukke
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
Environmental management
Forest pathology
Rankings
2,083,964
42,165
105
Ibiang, Ibiang Ebri
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Waste water engineering
Fluid mechanics
Hydrology
Environmental engineering
water resources
Rankings
2,180,569
46,689
1,748
Abutunghe, Matthew Abutunghe
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Climate Change
Geographic Information System
Remote Sensing
Agricultural Geography