Top 100 Scientists

Europe Top 100 Scientists in Türkiye 2025

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, 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, 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" (1,014,374 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. 

Mehmet Çetin
GIS Analysis
Landscape Planning and Management
Landscape Engineering
Bioclimatic comfort
Air Quality
Metrics
H-Index
i10 Index
Citation
74
166
13,429
İdil Arslan Alaton
çevre kimyası
kimyasal arıtma prosesleri
ileri oksidasyon prosesleri
ozonlama
su ve atıksu arıtımı
Metrics
H-Index
i10 Index
Citation
48
112
8,962
Sureyya Meric
Environmental science and technology
nanoremediation
Water pollution control
Advanced treatment
Metrics
H-Index
i10 Index
Citation
45
92
10,452
Ferhan Çeçen
Water Treatment
Wastewater Treatment
Environmental Biotechnology
Adsorption Processes
Effects of Hazardous Substances on Bio
Metrics
H-Index
i10 Index
Citation
37
54
3,871
Emine Çokgör
Environmental Engineering
Biotechnology
Activated Sludge Modeling
Industrial Pollution Control
Reuse-Recovery
Metrics
H-Index
i10 Index
Citation
36
103
4,704
Yücel Taşdemir
environmental engineering
air pollution and control
atmospheric deposition
exchange processes
Metrics
H-Index
i10 Index
Citation
35
75
4,017
Salem Abu Amr
Health safety & Environmental Mangemet Water and wastewater treatment
Advanced oxidation. Health Safety
Environmental Manageme
Metrics
H-Index
i10 Index
Citation
31
81
3,570
Mustafa Evren Erşahin
wastewater treatment
anaerobic biotechnology
membrane technology
anaerobic membrane bioreactor
dynamic membrane
Metrics
H-Index
i10 Index
Citation
31
56
3,873
Güleda Önkal Engin
biological wastewater treatment
membrane bioreactors
watershed management
climate change induced changes
Metrics
H-Index
i10 Index
Citation
28
50
2,935
Mehmet Sinan Bilgili
Environmental technologies
Waste management
Waste to energy
Environmental impacts of nanoparticles
Metrics
H-Index
i10 Index
Citation
28
46
3,340
Osman Nafiz Kaya
Öğretmen Yetiştirme
Fen Eğitimi
Teknolojik Pedagojik Alan Bilgisi
Bilimin Doğası ve Bilmsel Araştırma
Harmanlanmış
Metrics
H-Index
i10 Index
Citation
27
46
3,031
Seval Sözen
Environmental Engineering
Environmental Biotechnology
Clean Technologies
Industrial Pollution Control
Activated Sludge
Metrics
H-Index
i10 Index
Citation
27
60
2,770
Mahmut Firat
water loss management
water management
urban water
active leakage control
Metrics
H-Index
i10 Index
Citation
24
39
2,616
Nadim Kamel Copty
Transport of Pollutants in the Environment
Groundwater flow and contaminant transport
Stochastic modeling
Air Pollution Model
Metrics
H-Index
i10 Index
Citation
24
44
1,812
Bilgehan Nas
Wastewater Treatment
Water Reuse
Micropollutants
Contaminants of Emerging Concern (CEC)
Water Quality Management
Metrics
H-Index
i10 Index
Citation
23
30
2,727
Hanife Büyükgüngör
water and waste water treatment
biotechnology
water reuse
micropollutants
advanced treatment
Metrics
H-Index
i10 Index
Citation
22
35
2,949
Coşkun Aydıner
Eco-Innovative Water and Wastewater Treatment Technologies
Domestic and Industrial Water Recovery
Water Management in Smart Ci
Metrics
H-Index
i10 Index
Citation
22
28
2,650
Adem Yurtsever
Wastewater treatment
anaerobic treatment
Membrane Bioreactors
autotrophic denitrification
sulfate reduction
Metrics
H-Index
i10 Index
Citation
20
24
1,352
Nurdan Gamze Turan
Atık Yönetimi
Katı Atıklar
Tehlikeli Atık Yönetimi
Sızıntı Suyu Arıtımı
Endüstriyel Atıklar
Metrics
H-Index
i10 Index
Citation
20
30
1,593
Erhan Gengec
Wastewater treatment
electrocoagulation
electrooxidation
Electro Fenton
adsorption
Metrics
H-Index
i10 Index
Citation
20
28
1,304
Tuba Hande Ergüder Bayramoğlu
environmental biotechnology
renewable energy production
anaerobic treatment
biological nitrogen removal
microalgal treatment
Metrics
H-Index
i10 Index
Citation
19
24
2,379
Aşkın Birgül
Persistent Organic Pollutants
Air Pollution
Gas Chromatography
Deposition Techniques
Wastewater Treatment
Metrics
H-Index
i10 Index
Citation
19
22
1,218
Rankings
Ranking Based On Selection: 1
Mehmet Çetin
Metrics
H-Index
i10 Index
Citation Counts
74
166
13,429
GIS Analysis
Landscape Planning and Management
Landscape Engineering
Bioclimatic comfort
Air Quality
Rankings
Ranking Based On Selection: 2
Fikret Kargi
Metrics
H-Index
i10 Index
Citation Counts
74
193
18,725
Bioprocess Engineering
Biotechnology
Environmental Engineering
Rankings
Ranking Based On Selection: 3
Fatih Evrendilek
Metrics
H-Index
i10 Index
Citation Counts
53
148
8,701
Computational Ecosystem Cybernetics & Spatiotemporal Modeling
Rankings
Ranking Based On Selection: 4
Erkan Şahinkaya
Metrics
H-Index
i10 Index
Citation Counts
50
92
6,049
Rankings
Ranking Based On Selection: 5
Mustafa Odabaşı
Metrics
H-Index
i10 Index
Citation Counts
48
81
6,934
Rankings
Ranking Based On Selection: 6
Mehmet Kitiş
Metrics
H-Index
i10 Index
Citation Counts
48
73
7,504
membrane processes
water/wastewater treatment
reuse
clean production
DBPs
Rankings
Ranking Based On Selection: 7
İdil Arslan Alaton
Metrics
H-Index
i10 Index
Citation Counts
48
112
8,962
çevre kimyası
kimyasal arıtma prosesleri
ileri oksidasyon prosesleri
ozonlama
su ve atıksu arıtımı
Rankings
Ranking Based On Selection: 8
Bülent Keskinler
Metrics
H-Index
i10 Index
Citation Counts
48
108
7,085
Membrane Processes
water and wastewater recovery
biotechnology
Rankings
Ranking Based On Selection: 9
İsmail Koyuncu
Metrics
H-Index
i10 Index
Citation Counts
46
173
8,936
Membrane Processes
Water Reuse
Water Treatment
Wastewater Treatment
Rankings
Ranking Based On Selection: 10
Sureyya Meric
Metrics
H-Index
i10 Index
Citation Counts
45
92
10,452
Environmental science and technology
nanoremediation
Water pollution control
Advanced treatment
Rankings
Ranking Based On Selection: 11
Nadir Dizge
Metrics
H-Index
i10 Index
Citation Counts
43
126
7,067
Rankings
Ranking Based On Selection: 12
Delia Teresa Sponza
Metrics
H-Index
i10 Index
Citation Counts
41
81
5,903
anaerobik aerobik arıtma
ekotoksikoloji
toksik kirleticiler
endüstri atıksu
Rankings
Ranking Based On Selection: 14
Metin Çelik
Metrics
H-Index
i10 Index
Citation Counts
37
61
4,695
marine engineering
safety analysis
maritime operation modelling.
Rankings
Ranking Based On Selection: 15
Süleyman Gürdal Tuncel
Metrics
H-Index
i10 Index
Citation Counts
37
67
4,891
Rankings
Ranking Based On Selection: 16
Ferhan Çeçen
Metrics
H-Index
i10 Index
Citation Counts
37
54
3,871
Water Treatment
Wastewater Treatment
Environmental Biotechnology
Adsorption Processes
Effects of Hazardous Substances on Bio
Rankings
Ranking Based On Selection: 17
Nuri Azbar
Metrics
H-Index
i10 Index
Citation Counts
36
55
4,916
Rankings
Ranking Based On Selection: 18
Emine Çokgör
Metrics
H-Index
i10 Index
Citation Counts
36
103
4,704
Environmental Engineering
Biotechnology
Activated Sludge Modeling
Industrial Pollution Control
Reuse-Recovery
Rankings
Ranking Based On Selection: 19
Yücel Taşdemir
Metrics
H-Index
i10 Index
Citation Counts
35
75
4,017
environmental engineering
air pollution and control
atmospheric deposition
exchange processes
Rankings
Ranking Based On Selection: 20
Filiz Bengü Dilek
Metrics
H-Index
i10 Index
Citation Counts
34
51
4,496
Rankings
Ranking Based On Selection: 22
Nuray Işık Kabdaşlı
Metrics
H-Index
i10 Index
Citation Counts
33
68
4,204
Environmental Engineering
Water and water treatment
Water chemistry
Industrial Waste Management
Rankings
Ranking Based On Selection: 23
Salem Abu Amr
Metrics
H-Index
i10 Index
Citation Counts
31
81
3,570
Health safety & Environmental Mangemet Water and wastewater treatment
Advanced oxidation. Health Safety
Environmental Manageme
Rankings
Ranking Based On Selection: 24
Mustafa Evren Erşahin
Metrics
H-Index
i10 Index
Citation Counts
31
56
3,873
wastewater treatment
anaerobic biotechnology
membrane technology
anaerobic membrane bioreactor
dynamic membrane
Rankings
Ranking Based On Selection: 25
İsmail Ayhan Şengil
Metrics
H-Index
i10 Index
Citation Counts
31
39
6,994
Rankings
Ranking Based On Selection: 26
Barış Çallı
Metrics
H-Index
i10 Index
Citation Counts
31
54
3,218
Rankings
Ranking Based On Selection: 27
Tolga Elbir
Metrics
H-Index
i10 Index
Citation Counts
30
47
3,122
Rankings
Ranking Based On Selection: 28
Ulaş Tezel
Metrics
H-Index
i10 Index
Citation Counts
30
39
4,125
Rankings
Ranking Based On Selection: 29
Hayrettin Güçlü İnsel
Metrics
H-Index
i10 Index
Citation Counts
30
67
3,305
Rankings
Ranking Based On Selection: 30
Mehmet Erdem
Metrics
H-Index
i10 Index
Citation Counts
29
41
2,991
Rankings
Ranking Based On Selection: 31
Faika Dilek Sanin
Metrics
H-Index
i10 Index
Citation Counts
29
51
3,644
Wastewater Treatment
Sludge Management
Micropollutants in wastewater and sludge
Rankings
Ranking Based On Selection: 32
Sait Cemil Sofuoğlu
Metrics
H-Index
i10 Index
Citation Counts
29
49
3,055
indoor air quality
environmental exposure and risk assessment
Rankings
Ranking Based On Selection: 33
Güleda Önkal Engin
Metrics
H-Index
i10 Index
Citation Counts
28
50
2,935
biological wastewater treatment
membrane bioreactors
watershed management
climate change induced changes
Rankings
Ranking Based On Selection: 34
Mehmet Sinan Bilgili
Metrics
H-Index
i10 Index
Citation Counts
28
46
3,340
Environmental technologies
Waste management
Waste to energy
Environmental impacts of nanoparticles
Rankings
Ranking Based On Selection: 35
Mehmet Salim Öncel
Metrics
H-Index
i10 Index
Citation Counts
28
46
2,863
çevre
jeokimya
çevre jeokimyası
katı atık
toprak kirliliği
Rankings
Ranking Based On Selection: 36
Osman Nafiz Kaya
Metrics
H-Index
i10 Index
Citation Counts
27
46
3,031
Öğretmen Yetiştirme
Fen Eğitimi
Teknolojik Pedagojik Alan Bilgisi
Bilimin Doğası ve Bilmsel Araştırma
Harmanlanmış
Rankings
Ranking Based On Selection: 37
Seval Sözen
Metrics
H-Index
i10 Index
Citation Counts
27
60
2,770
Environmental Engineering
Environmental Biotechnology
Clean Technologies
Industrial Pollution Control
Activated Sludge
Rankings
Ranking Based On Selection: 39
Hüseyin Cengiz Yatmaz
Metrics
H-Index
i10 Index
Citation Counts
25
41
2,927
Environmental Catalysis
Photocatalysis
Integrated and hybrid processes
Rankings
Ranking Based On Selection: 40
Melik Kara
Metrics
H-Index
i10 Index
Citation Counts
25
32
2,024
Rankings
Ranking Based On Selection: 42
Berat Zeki Haznedaroğlu
Metrics
H-Index
i10 Index
Citation Counts
25
33
2,464
functional genomics
environmental microbiology
algal biotechnology
bioinformatics
fate and
Rankings
Ranking Based On Selection: 43
Cumali Kınacı
Metrics
H-Index
i10 Index
Citation Counts
25
36
2,207
wastewater treatment
pollution control
membrane technologies
Rankings
Ranking Based On Selection: 44
Fatma Fatoş Germirli Babuna
Metrics
H-Index
i10 Index
Citation Counts
25
46
2,002
Industrial Pollution Control
Cleaner Technologies
Waste Minimization
Environmental Biotechnology
Rankings
Ranking Based On Selection: 45
Yetkin Dumanoğlu
Metrics
H-Index
i10 Index
Citation Counts
24
30
2,012
Rankings
Ranking Based On Selection: 46
Mahmut Firat
Metrics
H-Index
i10 Index
Citation Counts
24
39
2,616
water loss management
water management
urban water
active leakage control
Rankings
Ranking Based On Selection: 47
Şükrü Dursun
Metrics
H-Index
i10 Index
Citation Counts
24
60
4,308
Environmental Science
Environmental Engineering
Treatment
Adsorption
Oxidation
Rankings
Ranking Based On Selection: 48
Orhan Gündüz
Metrics
H-Index
i10 Index
Citation Counts
24
48
2,207
Mathematical modeling
Environmental Systems
GIS
Water quality
Rankings
Ranking Based On Selection: 49
Mehmet İrfan Yeşilnacar
Metrics
H-Index
i10 Index
Citation Counts
24
47
2,036
Hydrogeology
Groundwater pollution
Waste management
Medical geology
Geothermal exploration
Rankings
Ranking Based On Selection: 50
Nadim Kamel Copty
Metrics
H-Index
i10 Index
Citation Counts
24
44
1,812
Transport of Pollutants in the Environment
Groundwater flow and contaminant transport
Stochastic modeling
Air Pollution Model
Rankings
Ranking Based On Selection: 52
Ayşegül Tanık
Metrics
H-Index
i10 Index
Citation Counts
24
69
2,653
Rankings
Ranking Based On Selection: 53
Ayşen Müezzinoğlu
Metrics
H-Index
i10 Index
Citation Counts
24
34
3,415
Rankings
Ranking Based On Selection: 54
Bilgehan Nas
Metrics
H-Index
i10 Index
Citation Counts
23
30
2,727
Wastewater Treatment
Water Reuse
Micropollutants
Contaminants of Emerging Concern (CEC)
Water Quality Management
Rankings
Ranking Based On Selection: 55
Mehmet Emin Argun
Metrics
H-Index
i10 Index
Citation Counts
23
34
3,297
water pollution
treatment
source recovery
adsorption
oxidation
Rankings
Ranking Based On Selection: 56
Mustafa Işık
Metrics
H-Index
i10 Index
Citation Counts
23
34
2,510
Rankings
Ranking Based On Selection: 57
Mete Tayanç
Metrics
H-Index
i10 Index
Citation Counts
23
33
2,157
Rankings
Ranking Based On Selection: 58
Baybars Ali Fil
Metrics
H-Index
i10 Index
Citation Counts
23
31
1,373
Electrooxidation
Electrocoagulation
Adsorption
Ion exchange
Biosorption
Rankings
Ranking Based On Selection: 59
Banu Çetin
Metrics
H-Index
i10 Index
Citation Counts
23
26
2,006
air pollution
persistent organic pollutants
dry deposition
wet deposition
Rankings
Ranking Based On Selection: 60
Mehmet Emin Aydın
Metrics
H-Index
i10 Index
Citation Counts
23
40
2,399
water pollution
water treatment
micro pollutants
emerging micro pollutants
Rankings
Ranking Based On Selection: 61
Mahmut Altınbaş
Metrics
H-Index
i10 Index
Citation Counts
23
34
1,869
Anaerobic Biotechnology
Microalgae
Bioenergy
Solid waste technologies
Waste to value
Rankings
Ranking Based On Selection: 62
Derya Yüksel İmer
Metrics
H-Index
i10 Index
Citation Counts
22
38
2,301
Rankings
Ranking Based On Selection: 64
Yalçın Şevki Yıldız
Metrics
H-Index
i10 Index
Citation Counts
22
27
2,618
electrochemical technologies in water and wastewater treatment
Rankings
Ranking Based On Selection: 66
Saim Özdemir|Saim O, Ozdemir S, Özdemir Saim
Metrics
H-Index
i10 Index
Citation Counts
22
55
1,596
Environmental Engineering
Organic wastes
phytoremediation
Composting
Rankings
Ranking Based On Selection: 67
Hanife Büyükgüngör
Metrics
H-Index
i10 Index
Citation Counts
22
35
2,949
water and waste water treatment
biotechnology
water reuse
micropollutants
advanced treatment
Rankings
Ranking Based On Selection: 69
Özgür Aktaş
Metrics
H-Index
i10 Index
Citation Counts
22
30
2,574
water treatment
wastewater treatment
biological processes
activated carbon
water quality
Rankings
Ranking Based On Selection: 70
Coşkun Aydıner
Metrics
H-Index
i10 Index
Citation Counts
22
28
2,650
Eco-Innovative Water and Wastewater Treatment Technologies
Domestic and Industrial Water Recovery
Water Management in Smart Ci
Rankings
Ranking Based On Selection: 71
Fatma Esen
Metrics
H-Index
i10 Index
Citation Counts
21
32
1,486
Rankings
Ranking Based On Selection: 72
Sevil Veli
Metrics
H-Index
i10 Index
Citation Counts
21
30
2,740
Rankings
Ranking Based On Selection: 75
Serdar Doğruel
Metrics
H-Index
i10 Index
Citation Counts
21
31
1,787
Particle Size Distribution
Removal of Micropollutants
Ozonation
Landfill leachate
Rankings
Ranking Based On Selection: 77
Ceyda Uyguner Demirel
Metrics
H-Index
i10 Index
Citation Counts
21
31
2,165
natural organic matter characterization
removal by advanced oxidation processes
Rankings
Ranking Based On Selection: 78
Sabahattin Sıddık Cindoruk
Metrics
H-Index
i10 Index
Citation Counts
21
27
1,197
air pollution control
Climate Change
Greenhouse gases
sustainability
LCA
Rankings
Ranking Based On Selection: 79
Hidayet Argun
Metrics
H-Index
i10 Index
Citation Counts
20
27
2,433
Rankings
Ranking Based On Selection: 80
Adem Yurtsever
Metrics
H-Index
i10 Index
Citation Counts
20
24
1,352
Wastewater treatment
anaerobic treatment
Membrane Bioreactors
autotrophic denitrification
sulfate reduction
Rankings
Ranking Based On Selection: 81
Nurdan Gamze Turan
Metrics
H-Index
i10 Index
Citation Counts
20
30
1,593
Atık Yönetimi
Katı Atıklar
Tehlikeli Atık Yönetimi
Sızıntı Suyu Arıtımı
Endüstriyel Atıklar
Rankings
Ranking Based On Selection: 82
Erhan Gengec
Metrics
H-Index
i10 Index
Citation Counts
20
28
1,304
Wastewater treatment
electrocoagulation
electrooxidation
Electro Fenton
adsorption
Rankings
Ranking Based On Selection: 83
Ahmet Aygün
Metrics
H-Index
i10 Index
Citation Counts
20
27
1,133
Rankings
Ranking Based On Selection: 84
Osman Nuri Ergun
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,459
Rankings
Ranking Based On Selection: 85
Ali Berktay
Metrics
H-Index
i10 Index
Citation Counts
20
23
2,247
Rankings
Ranking Based On Selection: 86
Ebru Çokay
Metrics
H-Index
i10 Index
Citation Counts
20
25
1,749
Rankings
Ranking Based On Selection: 87
Bülent İnanç
Metrics
H-Index
i10 Index
Citation Counts
20
24
2,619
solid waste
microbial ecology
asset management
emergency and crisis management
digital
Rankings
Ranking Based On Selection: 88
Murat Topal
Metrics
H-Index
i10 Index
Citation Counts
19
43
1,483
Rankings
Ranking Based On Selection: 89
Altınay Perendeci
Metrics
H-Index
i10 Index
Citation Counts
19
28
1,188
Rankings
Ranking Based On Selection: 90
Handan Ucun Özel
Metrics
H-Index
i10 Index
Citation Counts
19
25
2,356
Rankings
Ranking Based On Selection: 92
Zahide Karakitapoğlu Aygün
Metrics
H-Index
i10 Index
Citation Counts
19
22
2,059
Leadership
teams
innovative behavior
multi-level issues
cross-cultural issues
Rankings
Ranking Based On Selection: 94
Tuba Hande Ergüder Bayramoğlu
Metrics
H-Index
i10 Index
Citation Counts
19
24
2,379
environmental biotechnology
renewable energy production
anaerobic treatment
biological nitrogen removal
microalgal treatment
Rankings
Ranking Based On Selection: 96
Ergün Yıldız
Metrics
H-Index
i10 Index
Citation Counts
19
20
1,598
Rankings
Ranking Based On Selection: 98
Melek Türker Saçan
Metrics
H-Index
i10 Index
Citation Counts
19
28
1,231
Aquatic Toxicity
Environmental Chemistry
QSAR
QSTR
mixture toxicity
Rankings
Ranking Based On Selection: 99
Aşkın Birgül
Metrics
H-Index
i10 Index
Citation Counts
19
22
1,218
Persistent Organic Pollutants
Air Pollution
Gas Chromatography
Deposition Techniques
Wastewater Treatment
Rankings
Ranking Based On Selection: 100
Ayşegül Yağcı Karahasan
Metrics
H-Index
i10 Index
Citation Counts
19
26
1,932