Subject Rankings

University of Colorado Boulder 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 :2
Christine Wiedinmyer
Air Quality
emissions
fires
biogenic emissions
biological particles
Metrics
H-Index
i10 Index
Citation Counts
74
144
25,678
* Total H IndexRankings
Ranking Based On Selection :3
Imma Ferrer
Water quality
Mass Spectrometry
time-of-flight
pharmaceuticals
hydraulic fracturing
Metrics
H-Index
i10 Index
Citation Counts
62
117
12,040
* Total H IndexRankings
Ranking Based On Selection :5
Hope A Michelsen
Soot
Combustion
Black carbon
Climate change
Greenhouse gases
Metrics
H-Index
i10 Index
Citation Counts
57
112
10,883
* Total H IndexRankings
Ranking Based On Selection :6
Shelly Miller
urban and indoor air quality
health effects
exposures to air pollutants
air pollution control measures
ultraviolet germicida
Metrics
H-Index
i10 Index
Citation Counts
48
102
9,464
* Total H IndexRankings
Ranking Based On Selection :7
Kittel Timothy Gf
Biosphere-Climate Interactions
Conservation Planning in Context of Climate Change
Climate Change in High Mountain Systems
Ecosystem Geography
Metrics
H-Index
i10 Index
Citation Counts
48
74
9,827
* Total H IndexRankings
Ranking Based On Selection :8
Harihar Rajaram
subsurface hydrology and transport
glaciology
glacier hydrology
Metrics
H-Index
i10 Index
Citation Counts
47
91
6,928
* Total H IndexRankings
Ranking Based On Selection :9
Mark Hernandez
Aerobiology of indoor and outdoor atmosphere
Biofouling and microbially induced corrosion
Green chemistry treatment and smart infrastructure
Metrics
H-Index
i10 Index
Citation Counts
45
89
6,593
* Total H IndexRankings
Ranking Based On Selection :10
Angela Bielefeldt
engineering education research
environmental engineering
Metrics
H-Index
i10 Index
Citation Counts
38
103
4,289
* Total H IndexRankings
Ranking Based On Selection :11
Paul Chinowsky
Engineering Organizations
Social Networks
Knowledge Management
Metrics
H-Index
i10 Index
Citation Counts
37
84
6,565
* Total H IndexRankings
Ranking Based On Selection :12
Sharon K Collinge
Community ecology
restoration ecology
landscape ecology
Metrics
H-Index
i10 Index
Citation Counts
37
66
6,832
* Total H IndexRankings
Ranking Based On Selection :13
Joel Hartter
Environmental change
human behavior
climate change and adaptation
conservation
sustainability
Metrics
H-Index
i10 Index
Citation Counts
36
79
4,430
* Total H IndexRankings
Ranking Based On Selection :14
Peter Newton
tropical forests
agriculture
food systems
livelihoods
governance
Metrics
H-Index
i10 Index
Citation Counts
28
42
3,524
* Total H IndexRankings
Ranking Based On Selection :15
Amanda Carrico
Environmental Psychology
Environmental Behavior
Climate Change
Adaptation
Metrics
H-Index
i10 Index
Citation Counts
28
41
4,803
* Total H IndexRankings
Ranking Based On Selection :16
Edith Zagona
water resources planning and management
multi-objective decision support for river and reservoir systems
river system and hydropower modeling
Metrics
H-Index
i10 Index
Citation Counts
26
41
3,239
* Total H IndexRankings
Ranking Based On Selection :17
Joseph Kasprzyk
multi-objective decision support
water resources planning and management
watershed hydrology
environmental engineering
Metrics
H-Index
i10 Index
Citation Counts
24
34
3,803
* Total H IndexRankings
Ranking Based On Selection :18
Imtiaz Rangwala
Regional Climate Projections
Climate Extremes
Droughts
High Elevation Climate Change
Metrics
H-Index
i10 Index
Citation Counts
24
33
4,792
* Total H IndexRankings
Ranking Based On Selection :19
Keith N Musselman
Climate change
Hydrology
Water Resources
Snow
Forest
Metrics
H-Index
i10 Index
Citation Counts
24
33
2,983
* Total H IndexRankings
Ranking Based On Selection :20
Anthony P Straub
Water-Energy Nexus
Membrane Processes
Desalination and Advanced Water Treatment
Sustainable Energy Production
Metrics
H-Index
i10 Index
Citation Counts
21
26
4,105
* Total H IndexRankings
Ranking Based On Selection :21
Bruce Evan Goldstein
Collaborative networks
Environmental planning
Collaborative Resilience
Metrics
H-Index
i10 Index
Citation Counts
21
33
3,550
* Total H IndexRankings
Ranking Based On Selection :22
Phaedra C Pezzullo
environmental communication
environmental justice
environmental policy
social movements
and public advocacy
Metrics
H-Index
i10 Index
Citation Counts
21
31
3,148
* Total H IndexRankings
Ranking Based On Selection :23
Seong Nam Nam
Machine Learning
Water Treatment and Reuse
Advance Oxidation Process
Dissolved Organic Matter
Metrics
H-Index
i10 Index
Citation Counts
20
24
1,832
* Total H IndexRankings
Ranking Based On Selection :25
James H Mccutchan Jr
limnology
aquatic food webs
primary production
biogeochemistry
Metrics
H-Index
i10 Index
Citation Counts
19
22
4,216
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Karl G Linden
Metrics
H-Index
i10-Index
Citation Counts
81
221
23,988
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Christine Wiedinmyer
Metrics
H-Index
i10-Index
Citation Counts
74
144
25,678
Air Quality
emissions
fires
biogenic emissions
biological particles
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Imma Ferrer
Metrics
H-Index
i10-Index
Citation Counts
62
117
12,040
Water quality
Mass Spectrometry
time-of-flight
pharmaceuticals
hydraulic fracturing
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
R Scott Summers
Metrics
H-Index
i10-Index
Citation Counts
57
136
11,276
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Hope A Michelsen
Metrics
H-Index
i10-Index
Citation Counts
57
112
10,883
Soot
Combustion
Black carbon
Climate change
Greenhouse gases
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Shelly Miller
Metrics
H-Index
i10-Index
Citation Counts
48
102
9,464
urban and indoor air quality
health effects
exposures to air pollutants
air pollution control measures
ultraviolet germicida
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Kittel Timothy Gf
Metrics
H-Index
i10-Index
Citation Counts
48
74
9,827
Biosphere-Climate Interactions
Conservation Planning in Context of Climate Change
Climate Change in High Mountain Systems
Ecosystem Geography
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Harihar Rajaram
Metrics
H-Index
i10-Index
Citation Counts
47
91
6,928
subsurface hydrology and transport
glaciology
glacier hydrology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Mark Hernandez
Metrics
H-Index
i10-Index
Citation Counts
45
89
6,593
Aerobiology of indoor and outdoor atmosphere
Biofouling and microbially induced corrosion
Green chemistry treatment and smart infrastructure
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Angela Bielefeldt
Metrics
H-Index
i10-Index
Citation Counts
38
103
4,289
* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Paul Chinowsky
Metrics
H-Index
i10-Index
Citation Counts
37
84
6,565
Engineering Organizations
Social Networks
Knowledge Management
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Sharon K Collinge
Metrics
H-Index
i10-Index
Citation Counts
37
66
6,832
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Joel Hartter
Metrics
H-Index
i10-Index
Citation Counts
36
79
4,430
Environmental change
human behavior
climate change and adaptation
conservation
sustainability
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Peter Newton
Metrics
H-Index
i10-Index
Citation Counts
28
42
3,524
tropical forests
agriculture
food systems
livelihoods
governance
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Amanda Carrico
Metrics
H-Index
i10-Index
Citation Counts
28
41
4,803
Environmental Psychology
Environmental Behavior
Climate Change
Adaptation
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Edith Zagona
Metrics
H-Index
i10-Index
Citation Counts
26
41
3,239
water resources planning and management
multi-objective decision support for river and reservoir systems
river system and hydropower modeling
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Joseph Kasprzyk
Metrics
H-Index
i10-Index
Citation Counts
24
34
3,803
multi-objective decision support
water resources planning and management
watershed hydrology
environmental engineering
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Imtiaz Rangwala
Metrics
H-Index
i10-Index
Citation Counts
24
33
4,792
Regional Climate Projections
Climate Extremes
Droughts
High Elevation Climate Change
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
Keith N Musselman
Metrics
H-Index
i10-Index
Citation Counts
24
33
2,983
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Anthony P Straub
Metrics
H-Index
i10-Index
Citation Counts
21
26
4,105
Water-Energy Nexus
Membrane Processes
Desalination and Advanced Water Treatment
Sustainable Energy Production
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Bruce Evan Goldstein
Metrics
H-Index
i10-Index
Citation Counts
21
33
3,550
Collaborative networks
Environmental planning
Collaborative Resilience
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Phaedra C Pezzullo
Metrics
H-Index
i10-Index
Citation Counts
21
31
3,148
environmental communication
environmental justice
environmental policy
social movements
and public advocacy
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Seong Nam Nam
Metrics
H-Index
i10-Index
Citation Counts
20
24
1,832
Machine Learning
Water Treatment and Reuse
Advance Oxidation Process
Dissolved Organic Matter
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Jeffrey H Writer
Metrics
H-Index
i10-Index
Citation Counts
19
23
1,759
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
James H Mccutchan Jr
Metrics
H-Index
i10-Index
Citation Counts
19
22
4,216
limnology
aquatic food webs
primary production
biogeochemistry