The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 years. As of Feb 02, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (870.053) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H IndexRankings
Ranking Based On Selection: 1
environmental science
pollution
risk and remediation
Metrics
H-Index
i10 Index
Citation Counts
141
910
85,626
* Total H IndexRankings
Ranking Based On Selection: 2
Environmental chemistry
nanotoxicology
synchrotron
Metrics
H-Index
i10 Index
Citation Counts
94
246
33,527
* Total H IndexRankings
Ranking Based On Selection: 3
Environmental Science
Environmental Engineering
Metrics
H-Index
i10 Index
Citation Counts
68
199
16,537
* Total H IndexRankings
Ranking Based On Selection: 4
water science
environmental microbiology
water quality
Metrics
H-Index
i10 Index
Citation Counts
64
134
19,099
* Total H IndexRankings
Ranking Based On Selection: 5
Water Policy and Management
irrigation
water market
water reallocation
Metrics
H-Index
i10 Index
Citation Counts
40
125
6,274
* Total H IndexRankings
Ranking Based On Selection: 6
Environmental engineering
resource depletion
climate change
Metrics
H-Index
i10 Index
Citation Counts
31
48
3,768
* Total H IndexRankings
Ranking Based On Selection: 7
wastewater treatment & recycling
energy efficiency
sustainability & LCA
N cycling
microbial ecology
Metrics
H-Index
i10 Index
Citation Counts
25
45
2,444
* Total H IndexRankings
Ranking Based On Selection: 8
Environmental remediation
Sustainable minerals & materials
Clay composite
Metrics
H-Index
i10 Index
Citation Counts
22
33
2,418
* Total H IndexRankings
Ranking Based On Selection: 9
Nutrient dynamic
sediment biogeochemistry
trace metals
DGT
soil science
Metrics
H-Index
i10 Index
Citation Counts
20
30
1,290
* Total H IndexRankings
Ranking Based On Selection: 10
Water Engineering
Metrics
H-Index
i10 Index
Citation Counts
19
25
1,526
* Total H IndexRankings
Ranking Based On Selection: 11
Social and Environmental Sustainability
Metrics
H-Index
i10 Index
Citation Counts
14
19
890
* Total H IndexRankings
Ranking Based On Selection: 12
water policy
non-market valuation
Metrics
H-Index
i10 Index
Citation Counts
14
21
606
* Total H IndexRankings
Ranking Based On Selection: 13
Heat exercise physiology
Heat policy
Endurance physiology
Sports injury
Metrics
H-Index
i10 Index
Citation Counts
13
17
840
* Total H IndexRankings
Ranking Based On Selection: 14
Water policy
water reuse
natural resource management
Metrics
H-Index
i10 Index
Citation Counts
12
14
469
* Total H IndexRankings
Ranking Based On Selection: 15
Water and wastewater treatment
Metrics
H-Index
i10 Index
Citation Counts
8
7
174
* Total H IndexRankings
Ranking Based On Selection: 16
Water Desalination
Capacitive deionization
Forward osmosis
Graphene
Supercapacitors
Metrics
H-Index
i10 Index
Citation Counts
6
6
901
* Total H IndexRankings
Ranking Based On Selection: 17
urban agriculture
urban food production
citizen science
sustainable cities
science communication
Metrics
H-Index
i10 Index
Citation Counts
6
6
194
* Total H IndexRankings
Ranking Based On Selection: 18
Carbon sequestration
Biochar
Biosensors
DGT
Pesticides
Metrics
H-Index
i10 Index
Citation Counts
5
4
159
* Total H IndexRankings
Ranking Based On Selection: 19
geoenvironmental Engineering Water Engineering Geotechnical Engineering
Metrics
H-Index
i10 Index
Citation Counts
5
3
57
* Total H IndexRankings
Ranking Based On Selection: 20
Precision Agriculture
Sustainable Development
Wildlife Management
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Ravi Naidu
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
141
910
85,626
environmental science
pollution
risk and remediation
Enzo Lombi
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
94
246
33,527
Environmental chemistry
nanotoxicology
synchrotron
Gary Owens
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
68
199
16,537
Environmental Science
Environmental Engineering
Christopher Saint
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
64
134
19,099
water science
environmental microbiology
water quality
Henning Bjornlund
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
40
125
6,274
Water Policy and Management
irrigation
water market
water reallocation
James Ward
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
31
48
3,768
Environmental engineering
resource depletion
climate change
Michael Douglas Short
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
25
45
2,444
wastewater treatment & recycling
energy efficiency
sustainability & LCA
N cycling
microbial ecology
Bhabananda Biswas|Bhaba Biswas
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
22
33
2,418
Environmental remediation
Sustainable minerals & materials
Clay composite
Jianyin Huang
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
20
30
1,290
Nutrient dynamic
sediment biogeochemistry
trace metals
DGT
soil science
Ali Hassanli
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
19
25
1,526
Sukhbir Sandhu
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
14
19
890
Social and Environmental Sustainability
Bethany Cooper
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
14
21
606
water policy
non-market valuation
Samuel Chalmers
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
13
17
840
Heat exercise physiology
Heat policy
Endurance physiology
Sports injury
Ganesh Keremane
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
12
14
469
Water policy
water reuse
natural resource management
Rosmala Lewis
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
8
7
174
Water and wastewater treatment
Yasodinee Wimalasiri
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
6
6
901
Water Desalination
Capacitive deionization
Forward osmosis
Graphene
Supercapacitors
Georgia Csortan
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
6
6
194
urban agriculture
urban food production
citizen science
sustainable cities
science communication
Vijay Kumar Aralappanavar
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
5
4
159
Carbon sequestration
Biochar
Biosensors
DGT
Pesticides
Khaled Altarawneh
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
5
3
57
geoenvironmental Engineering Water Engineering Geotechnical Engineering
Divyesh Shekhada
University of South Australia
Adelaide, Australia
Metrics
H-Index
i10-Index
Citation Counts
1
0
1
Precision Agriculture
Sustainable Development
Wildlife Management