Subject Rankings

US Environmental Protection Agency Subject Rankings 2025

Agriculture and Forestry, Architecture and Design, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings along with their 197 sub-branches, can be analyzed at global, national, and regional levels. You can also evaluate them based on the i10 index and citation numbersAs of Sep 18, 2024, rankings are according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in beta. This is due to the exclusion of (1.014.193) scientists categorized under 'others,' whose profiles cannot yet be determined, edited, or classified. As these fields are updated, the rankings will adjust accordingly. Please keep this in mind. See Also: [University Subject Rankings]

* Total H IndexRankings
Ranking Based On Selection :1
Richard Wilkin
environmental geochemistry
contaminant transport
groundwater
remediation
arsenic
Metrics
H-Index
i10 Index
Citation Counts
44
72
10,904
* Total H IndexRankings
Ranking Based On Selection :2
Heather E Golden
Watershed Hydrology
Watershed Biogeochemistry
Watershed Modeling
Metrics
H-Index
i10 Index
Citation Counts
31
55
3,657
* Total H IndexRankings
Ranking Based On Selection :3
John W Washington
geochemistry
environmental chemistry
Metrics
H-Index
i10 Index
Citation Counts
31
40
3,529
* Total H IndexRankings
Ranking Based On Selection :4
Tammy Newcomer-Johnson
biogeochemistry
ecosystem restoration
ecosystem services
urban ecosystems
water quality
Metrics
H-Index
i10 Index
Citation Counts
19
21
2,061
* Total H IndexRankings
Ranking Based On Selection :5
Xiaolan Huang -黄晓澜|Xiao-Lan Huang
biogeochemistry
chemistry of water
soil and sediments
and managements of wastes
Metrics
H-Index
i10 Index
Citation Counts
17
24
1,068
* Total H IndexRankings
Ranking Based On Selection :6
Jeffrey M Minucci
biogeochemistry
ecological web apps
machine learning
bayesian statistics
chemical fate and transport models
Metrics
H-Index
i10 Index
Citation Counts
11
11
304
* Total H IndexRankings
Ranking Based On Selection :7
Laura Erban
Hydrogeology
sustainable water resources management
urban systems
Metrics
H-Index
i10 Index
Citation Counts
9
8
1,546
* Total H IndexRankings
Ranking Based On Selection :8
Carla E Rosenfeld
trace element biogeochemistry
biominerals
soils
rhizosphere
fungi
Metrics
H-Index
i10 Index
Citation Counts
8
7
318
* Total H IndexRankings
Ranking Based On Selection :10
Julie Kelso
intermittent streams
biogeochemistry
watershed management
Metrics
H-Index
i10 Index
Citation Counts
6
5
132
* Total H IndexRankings
Ranking Based On Selection :11
Xinyue Tong
Geophysics
Geodynamics
Tectonophysics
Nuclear Waste Management and Regulation
Metrics
H-Index
i10 Index
Citation Counts
4
4
138
* Total H IndexRankings
Ranking Based On Selection :12
Maria Letourneau
Water Quality
Biogeochemistry
Organic Geochemistry
Metrics
H-Index
i10 Index
Citation Counts
4
4
74
* Total H IndexRankings
Ranking Based On Selection :13
Tyler M Rippel
marine ecosystems
ecology
biogeochemistry
biodiversity
global change
Metrics
H-Index
i10 Index
Citation Counts
4
3
50
* Total H IndexRankings
Ranking Based On Selection :14
Amalia Handler
Ecosystem ecology
biogeochemistry
harmful algal blooms
Metrics
H-Index
i10 Index
Citation Counts
3
2
44
* Total H IndexRankings
Ranking Based On Selection :15
Jason Boettger
Non-targeted analysis
PFAS
mass spectrometry
isotope geochemistry
computational chemistry
Metrics
H-Index
i10 Index
Citation Counts
2
2
56
* Total H IndexRankings
Ranking Based On Selection :16
Zachary William Leibowitz
Water Quality Modeling
Lake Restoration
Diatoms
Paleolimnology
Aquatic Biogeochemistry
Metrics
H-Index
i10 Index
Citation Counts
2
1
22
* Total H IndexRankings
Ranking Based On Selection :17
Kenna Rewcastle
greenhouse gas accounting
ecosystem ecology
biogeochemistry
Metrics
H-Index
i10 Index
Citation Counts
2
1
21
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Richard Wilkin
Metrics
H-Index
i10-Index
Citation Counts
44
72
10,904
environmental geochemistry
contaminant transport
groundwater
remediation
arsenic
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Heather E Golden
Metrics
H-Index
i10-Index
Citation Counts
31
55
3,657
Watershed Hydrology
Watershed Biogeochemistry
Watershed Modeling
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
John W Washington
Metrics
H-Index
i10-Index
Citation Counts
31
40
3,529
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Tammy Newcomer-Johnson
Metrics
H-Index
i10-Index
Citation Counts
19
21
2,061
biogeochemistry
ecosystem restoration
ecosystem services
urban ecosystems
water quality
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
biogeochemistry
chemistry of water
soil and sediments
and managements of wastes
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Jeffrey M Minucci
Metrics
H-Index
i10-Index
Citation Counts
11
11
304
biogeochemistry
ecological web apps
machine learning
bayesian statistics
chemical fate and transport models
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Laura Erban
Metrics
H-Index
i10-Index
Citation Counts
9
8
1,546
Hydrogeology
sustainable water resources management
urban systems
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Carla E Rosenfeld
Metrics
H-Index
i10-Index
Citation Counts
8
7
318
trace element biogeochemistry
biominerals
soils
rhizosphere
fungi
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Boris Yurchak
Metrics
H-Index
i10-Index
Citation Counts
7
5
180
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Julie Kelso
Metrics
H-Index
i10-Index
Citation Counts
6
5
132
intermittent streams
biogeochemistry
watershed management
* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Xinyue Tong
Metrics
H-Index
i10-Index
Citation Counts
4
4
138
Geophysics
Geodynamics
Tectonophysics
Nuclear Waste Management and Regulation
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Maria Letourneau
Metrics
H-Index
i10-Index
Citation Counts
4
4
74
Water Quality
Biogeochemistry
Organic Geochemistry
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Tyler M Rippel
Metrics
H-Index
i10-Index
Citation Counts
4
3
50
marine ecosystems
ecology
biogeochemistry
biodiversity
global change
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Amalia Handler
Metrics
H-Index
i10-Index
Citation Counts
3
2
44
Ecosystem ecology
biogeochemistry
harmful algal blooms
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Jason Boettger
Metrics
H-Index
i10-Index
Citation Counts
2
2
56
Non-targeted analysis
PFAS
mass spectrometry
isotope geochemistry
computational chemistry
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Zachary William Leibowitz
Metrics
H-Index
i10-Index
Citation Counts
2
1
22
Water Quality Modeling
Lake Restoration
Diatoms
Paleolimnology
Aquatic Biogeochemistry
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Kenna Rewcastle
Metrics
H-Index
i10-Index
Citation Counts
2
1
21
greenhouse gas accounting
ecosystem ecology
biogeochemistry