Citation Rankings
Highly Cited Researchers
Kwame Nkrumah University of Science Highly Cited Researchers Citation Natural Sciences Rankings 2025
Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :1
Environmental Chemistry and Toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,935
3,407
0.690
* Total Citation Counts Rankings
Ranking Based On Selection :2
Analytical and Environmental Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,860
3,297
0.678
* Total Citation Counts Rankings
Ranking Based On Selection :3
ecosystem
commercial farming
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,791
1,156
0.241
* Total Citation Counts Rankings
Ranking Based On Selection :4
Respiratory viruses
Zoonotic viruses
Coronaviruses
STEM
One health issues
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,125
2,592
0.628
* Total Citation Counts Rankings
Ranking Based On Selection :5
Microbiology
Environmental Health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,457
2,039
0.590
* Total Citation Counts Rankings
Ranking Based On Selection :6
Atmospheric Physics
Atmospheric Remote Sensing
Tropical Meteorology
Climate change
Climate modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,916
2,389
0.819
* Total Citation Counts Rankings
Ranking Based On Selection :7
Mathematics
Statistics
Operation Research
Heuristics and Transportation Problems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,782
1,275
0.715
* Total Citation Counts Rankings
Ranking Based On Selection :8
Social and environmental impact assessments of natural resource-based projects
GIS and land cover/use change analysis
endanger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,561
1,214
0.778
* Total Citation Counts Rankings
Ranking Based On Selection :9
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,453
906
0.624
* Total Citation Counts Rankings
Ranking Based On Selection :10
Urban land use
floods vulnerability studies
waste water irrigation
traditional medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,376
1,229
0.893
* Total Citation Counts Rankings
Ranking Based On Selection :11
Tropical Forest Ecology
Liana Ecology
Ecological Networks
Forest Management & Conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,368
786
0.575
* Total Citation Counts Rankings
Ranking Based On Selection :12
Inorganic chemistry
Nano Materials
Environmental Chemical Analysis
Computational Chemistry
Analytical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,367
806
0.590
* Total Citation Counts Rankings
Ranking Based On Selection :13
Environmental/Analytical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,308
1,004
0.768
* Total Citation Counts Rankings
Ranking Based On Selection :14
Inorganic chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,262
1,041
0.825
* Total Citation Counts Rankings
Ranking Based On Selection :15
artisanal mining
microfinance
periurbanism
land use land cover change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,128
914
0.810
* Total Citation Counts Rankings
Ranking Based On Selection :16
Applied Mathematics ...
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,046
835
0.798
* Total Citation Counts Rankings
Ranking Based On Selection :17
Rural Development
Local governance and poverty studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,038
807
0.777
* Total Citation Counts Rankings
Ranking Based On Selection :18
inorganic
bioinorganic
environmental
analytical
nanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,026
744
0.725
* Total Citation Counts Rankings
Ranking Based On Selection :19
bats
conservation
ecology
biodiversity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
932
540
0.579
* Total Citation Counts Rankings
Ranking Based On Selection :20
Solid State Physics
Materials Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
911
322
0.353
* Total Citation Counts Rankings
Ranking Based On Selection :21
Vegetation ecology
urban ecology
natural resources management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
898
688
0.766
* Total Citation Counts Rankings
Ranking Based On Selection :22
Vector-Borne Diseases
Malaria co-infections
Biological Sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
859
605
0.704
* Total Citation Counts Rankings
Ranking Based On Selection :23
Chemical Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
845
384
0.454
* Total Citation Counts Rankings
Ranking Based On Selection :24
Meteorology & Climate Science
Boundary Layer Meteorology
Climate Extremes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
841
728
0.866
* Total Citation Counts Rankings
Ranking Based On Selection :25
Plant Biochemistry
Cancer Drug Development
Hepatoprotection
Medicinal Plants
Oxidative Stress
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
838
641
0.765
* Total Citation Counts Rankings
Rankings
202,094
62
14
Ranking Based On Selection: 1
Osei Akoto
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,935
3,407
0.690
Environmental Chemistry and Toxicology
* Total Citation Counts Rankings
Rankings
205,089
63
15
Ranking Based On Selection: 2
Godfred Darko
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,860
3,297
0.678
Analytical and Environmental Chemistry
* Total Citation Counts Rankings
Rankings
207,965
66
16
Ranking Based On Selection: 3
Adu-Boahen Raymond
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,791
1,156
0.241
* Total Citation Counts Rankings
Rankings
239,034
80
21
Ranking Based On Selection: 4
Augustina Angelina Sylverken
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,125
2,592
0.628
Respiratory viruses
Zoonotic viruses
Coronaviruses
STEM
One health issues
* Total Citation Counts Rankings
Rankings
279,425
111
28
Ranking Based On Selection: 5
Kwasi Obiri Danso
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,457
2,039
0.590
Microbiology
Environmental Health
* Total Citation Counts Rankings
Rankings
322,301
137
36
Ranking Based On Selection: 6
Leonard K Amekudzi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,916
2,389
0.819
Atmospheric Physics
Atmospheric Remote Sensing
Tropical Meteorology
Climate change
Climate modelling
* Total Citation Counts Rankings
Rankings
467,233
257
60
Ranking Based On Selection: 7
Samuel Kwame Amponsah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,782
1,275
0.715
Mathematics
Statistics
Operation Research
Heuristics and Transportation Problems
* Total Citation Counts Rankings
Rankings
510,828
292
68
Ranking Based On Selection: 8
Emmanuel Danquah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,561
1,214
0.778
Social and environmental impact assessments of natural resource-based projects
GIS and land cover/use change analysis
endanger
* Total Citation Counts Rankings
Rankings
535,151
323
77
Ranking Based On Selection: 9
Gift Dumedah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,453
906
0.624
* Total Citation Counts Rankings
Rankings
553,484
338
80
Ranking Based On Selection: 10
Kabila Abass
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,376
1,229
0.893
Urban land use
floods vulnerability studies
waste water irrigation
traditional medicine
* Total Citation Counts Rankings
Rankings
555,580
340
81
Ranking Based On Selection: 11
Patrick Addo Fordjour
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,368
786
0.575
Tropical Forest Ecology
Liana Ecology
Ecological Networks
Forest Management & Conservation
* Total Citation Counts Rankings
Rankings
555,832
341
82
Ranking Based On Selection: 12
Anthony Apeke Adimado
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,367
806
0.590
Inorganic chemistry
Nano Materials
Environmental Chemical Analysis
Computational Chemistry
Analytical Chemistry
* Total Citation Counts Rankings
Rankings
571,079
358
90
Ranking Based On Selection: 13
Marian Asantewah Nkansah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,308
1,004
0.768
Environmental/Analytical Chemistry
* Total Citation Counts Rankings
Rankings
583,590
375
97
Ranking Based On Selection: 14
Nathaniel Owusu Boadi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,262
1,041
0.825
* Total Citation Counts Rankings
Rankings
623,220
432
112
Ranking Based On Selection: 15
Kwadwo Afriyie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,128
914
0.810
artisanal mining
microfinance
periurbanism
land use land cover change
* Total Citation Counts Rankings
Rankings
650,118
478
126
Ranking Based On Selection: 16
FT Oduro
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,046
835
0.798
* Total Citation Counts Rankings
Rankings
652,911
482
128
Ranking Based On Selection: 17
Prince Osei Wusu Adjei
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,038
807
0.777
Rural Development
Local governance and poverty studies
* Total Citation Counts Rankings
Rankings
657,118
490
133
Ranking Based On Selection: 18
Eric S Agorku
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,026
744
0.725
inorganic
bioinorganic
environmental
analytical
nanotechnology
* Total Citation Counts Rankings
Rankings
691,657
542
149
Ranking Based On Selection: 19
Evans Ewald Nkrumah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
932
540
0.579
bats
conservation
ecology
biodiversity
* Total Citation Counts Rankings
Rankings
700,047
562
154
Ranking Based On Selection: 20
Robert K Nkum
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
911
322
0.353
* Total Citation Counts Rankings
Rankings
704,939
566
157
Ranking Based On Selection: 21
Benjamin Betey Campion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
898
688
0.766
Vegetation ecology
urban ecology
natural resources management
* Total Citation Counts Rankings
Rankings
720,806
585
160
Ranking Based On Selection: 22
Kingsley Badu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
859
605
0.704
Vector-Borne Diseases
Malaria co-infections
Biological Sciences
* Total Citation Counts Rankings
Rankings
726,863
597
163
Ranking Based On Selection: 23
John Kenneth Mensah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
845
384
0.454
* Total Citation Counts Rankings
Rankings
728,319
600
164
Ranking Based On Selection: 24
Jeffrey NA Aryee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
841
728
0.866
Meteorology & Climate Science
Boundary Layer Meteorology
Climate Extremes
* Total Citation Counts Rankings
Rankings
729,676
603
166
Ranking Based On Selection: 25
Christopher Larbie Kumasi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
838
641
0.765
Plant Biochemistry
Cancer Drug Development
Hepatoprotection
Medicinal Plants
Oxidative Stress