Citation Rankings
Highly Cited Researchers
Engineering & Technology / Environmental Science & Engineering Highly Cited Researchers Citation Rankings 2025
The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the 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 Ecotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,656
2,087
0.448
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Groundwater
Climate change
Remote Sensing
Hydrologic Modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
583
559
0.959
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Water Resources Engineering and Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
437
189
0.432
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Urban Resilience
Climate change
Spatial analytics
Food security
Migration and Humanitarian crises
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
429
427
0.995
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Energy and Process Engineering systems
Waste Management
Environmental Engineering and Sustainable
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
396
312
0.788
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Infectious diseases
Mental Health
Planetary Health
Climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
261
260
0.996
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Environmental engineering
Renewable energy
food engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
215
191
0.888
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Climate Change
Wetland Ecology and Management
Water Resources Management
Carbon/GHGs Assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
199
199
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Environment
Climate change
Soil water and Agronomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
189
173
0.915
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Climate change
Agriculture
Environmental Science and Policy
Water Policy and Management
Gender
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158
122
0.772
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Environmental Engineering
Sustainable waste management
Water Resources Management
Water Quality
Air Quality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105
100
0.952
* Total Citation Counts Rankings
Ranking Based On Selection: 12
GIS and Remote sensing
Landslide modeling
Drone mapping
Environmental sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101
100
0.990
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Environment and climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
30
0.508
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Blended learning
Educational technologies
e-learning
food security
climate change
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43
40
0.930
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Climate change mitigation
REDD+
forest conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39
22
0.564
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Environment
construction
resource utilization
climate change and water treatment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35
35
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Antimicrobial Resistance
Climate Change
Drug Discovery
Natural Medicines
Pharmaceutical Biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
30
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Horticulture
Crop protection
Integrated Pest Management
Plant breeding
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
23
0.885
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Environmental Change
Natural Hazards
Early Warning
Earth Observation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18
18
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Post harvest engineering
environmental engineering
renewable energy
agro-processing
water engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Renewable Energy
Irrigation
Water treatment
Environmental Engineering
Food Processing.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7
2
0.286
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Environment
Economics
Climate Change
Greenhouse Gas emissions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Water & Environmental Engineering
Agriculture
Climate Change
GIS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total Citation Counts Rankings
Rankings
219,348
25
19
Ranking Based On Selection: 1
Frank Kansiime
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,656
2,087
0.448
Environmental Ecotechnology
* Total Citation Counts Rankings
Rankings
864,716
292
140
Ranking Based On Selection: 2
Nanteza Jamiat
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
583
559
0.959
Groundwater
Climate change
Remote Sensing
Hydrologic Modelling
* Total Citation Counts Rankings
Rankings
973,021
358
160
Ranking Based On Selection: 3
Max Kigobe
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
437
189
0.432
Water Resources Engineering and Management
* Total Citation Counts Rankings
Rankings
979,788
365
163
Ranking Based On Selection: 4
Hakimu Sseviiri
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
429
427
0.995
Urban Resilience
Climate change
Spatial analytics
Food security
Migration and Humanitarian crises
* Total Citation Counts Rankings
Rankings
1,012,628
387
170
Ranking Based On Selection: 5
Peter Tumutegyereize
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
396
312
0.788
Energy and Process Engineering systems
Waste Management
Environmental Engineering and Sustainable
* Total Citation Counts Rankings
Rankings
1,182,055
559
228
Ranking Based On Selection: 6
Kigozi Edwin
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
261
260
0.996
Infectious diseases
Mental Health
Planetary Health
Climate change
* Total Citation Counts Rankings
Rankings
1,264,325
630
244
Ranking Based On Selection: 7
Daniel Kimuli
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
215
191
0.888
Environmental engineering
Renewable energy
food engineering
* Total Citation Counts Rankings
Rankings
1,296,504
658
251
Ranking Based On Selection: 8
David Were
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
199
199
1.000
Climate Change
Wetland Ecology and Management
Water Resources Management
Carbon/GHGs Assessment
* Total Citation Counts Rankings
Rankings
1,318,906
682
254
Ranking Based On Selection: 9
Alex Zizinga
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
189
173
0.915
Environment
Climate change
Soil water and Agronomy
* Total Citation Counts Rankings
Rankings
1,396,344
780
283
Ranking Based On Selection: 10
Saul Daniel Ddumba
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
158
122
0.772
Climate change
Agriculture
Environmental Science and Policy
Water Policy and Management
Gender
* Total Citation Counts Rankings
Rankings
1,565,903
986
328
Ranking Based On Selection: 11
Sam Cherotich
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105
100
0.952
Environmental Engineering
Sustainable waste management
Water Resources Management
Water Quality
Air Quality
* Total Citation Counts Rankings
Rankings
1,580,806
1,001
329
Ranking Based On Selection: 12
Nedala Shafiq
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
101
100
0.990
GIS and Remote sensing
Landslide modeling
Drone mapping
Environmental sciences
* Total Citation Counts Rankings
Rankings
1,780,585
1,268
388
Ranking Based On Selection: 13
John Omara
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
30
0.508
Environment and climate change
* Total Citation Counts Rankings
Rankings
1,877,762
1,407
419
Ranking Based On Selection: 14
Joseph Watuleke
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43
40
0.930
Blended learning
Educational technologies
e-learning
food security
climate change
* Total Citation Counts Rankings
Rankings
1,908,673
1,460
431
Ranking Based On Selection: 15
Philemon Mukisa
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39
22
0.564
Climate change mitigation
REDD+
forest conservation
* Total Citation Counts Rankings
Rankings
1,932,671
1,504
444
Ranking Based On Selection: 16
Basika Elisa
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35
35
1.000
Environment
construction
resource utilization
climate change and water treatment
* Total Citation Counts Rankings
Rankings
1,973,953
1,570
458
Ranking Based On Selection: 17
Peter Kageni
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30
30
1.000
Antimicrobial Resistance
Climate Change
Drug Discovery
Natural Medicines
Pharmaceutical Biotechnology
* Total Citation Counts Rankings
Rankings
2,014,749
1,649
467
Ranking Based On Selection: 18
Ronald Kityo
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26
23
0.885
Horticulture
Crop protection
Integrated Pest Management
Plant breeding
* Total Citation Counts Rankings
Rankings
2,095,879
1,794
498
Ranking Based On Selection: 19
Gordon Yofesi Mwesigwa
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18
18
1.000
Environmental Change
Natural Hazards
Early Warning
Earth Observation
* Total Citation Counts Rankings
Rankings
2,189,490
1,957
529
Ranking Based On Selection: 20
Joseph Galiwango
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
Post harvest engineering
environmental engineering
renewable energy
agro-processing
water engineering
* Total Citation Counts Rankings
Rankings
2,257,624
2,083
543
Ranking Based On Selection: 21
Jonathan Bukenya
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7
2
0.286
Renewable Energy
Irrigation
Water treatment
Environmental Engineering
Food Processing.
* Total Citation Counts Rankings
Rankings
2,341,655
2,286
571
Ranking Based On Selection: 22
Yamungu Alongo Boniface Byamalong
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Environment
Economics
Climate Change
Greenhouse Gas emissions
* Total Citation Counts Rankings
Rankings
2,366,893
2,356
582
Ranking Based On Selection: 23
Gyaviira Ssewankambo
Makerere University
Kampala, Uganda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Water & Environmental Engineering
Agriculture
Climate Change
GIS