US Environmental Protection Agency is a prestigious institution university established in 1970 in United States. It is represented by 372 scientists in the AD Scientific Index. The university’s scientists are particularly concentrated in Natural Sciences (117 scientists), Engineering & Technology (97 scientists), and Social Sciences and Humanities (19 scientists).

* Total H Index Rankings
Ranking Based On Selection: 1
Jorge W Santo Domingo
Molecular Microbial Ecology
drinking water
microbial ecology
environmental microbiology
water
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
61
36
0.590
* Total H Index Rankings
Ranking Based On Selection: 3
Philip R Kaufmann|Philip Robert Kaufmann, P.R. Kaufmann
aquatic ecology
fluvial geomorphology
hydrology
physical habitat
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
55
30
0.545
* Total H Index Rankings
Ranking Based On Selection: 4
Jay Garland
environmental microbiology
microbial ecology
regenerative system design
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
54
28
0.519
* Total H Index Rankings
Ranking Based On Selection: 5
Stephanie Padilla
neurotoxicology
developmental toxicology
chemical screening
zebrafish
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
53
26
0.491
* Total H Index Rankings
Ranking Based On Selection: 7
John L Stoddard
freshwater ecology
biogeochemistry
acidification
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
27
0.529
* Total H Index Rankings
Ranking Based On Selection: 8
Jana Compton
Nitrogen cycling
Phosphorus cycling
watersheds
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
43
28
0.651
* Total H Index Rankings
Ranking Based On Selection: 9
Scott G Leibowitz
landscape ecology
aquatic ecology
watershed modeling
spatial analysis
hydrological connectivity
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
42
31
0.738
* Total H Index Rankings
Ranking Based On Selection: 10
Charles R Lane
Wetland Ecology
Systems Ecology
Landscape Ecology
Watershed Management
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
34
0.829
* Total H Index Rankings
Ranking Based On Selection: 11
Cathleen Wigand
wetland ecology
climate adaptation
eutrophication
salt marshes
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
39
21
0.538
* Total H Index Rankings
Ranking Based On Selection: 12
Paul Mayer
ecosystem restoration
urban ecology
nitrogen
animal behavior
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
38
30
0.789
* Total H Index Rankings
Ranking Based On Selection: 13
Ken Fritz
non-perennial streams
headwaters
connectivity
invertebrates
disturbance
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
38
28
0.737
* Total H Index Rankings
Ranking Based On Selection: 14
Christopher M Clark
Ecology
Nitrogen Deposition
Biofuels
Climate Change
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
33
27
0.818
* Total H Index Rankings
Ranking Based On Selection: 17
Glenn Suter
ecological risk assessment
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
30
15
0.500
* Total H Index Rankings
Ranking Based On Selection: 18
Nathan Schumaker
Conservation Biology
Landscape Ecology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
29
17
0.586
* Total H Index Rankings
Ranking Based On Selection: 19
John Johnston
ecology
watershed modeling
mercury exposure and bioaccumulation
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
21
0.778
* Total H Index Rankings
Ranking Based On Selection: 20
Sandy Raimondo
Ecological Risk Assessment
Population Modeling
Aquatic Toxicology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
* Total H Index Rankings
Ranking Based On Selection: 21
Steve Paulsen
fresh water ecology
large scale assessment
monitoring
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
16
0.593
* Total H Index Rankings
Ranking Based On Selection: 22
Marguerite Pelletier
Estuarine Ecology
Benthic Invertebrates
Environmental Indicators
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
13
0.481
* Total H Index Rankings
Ranking Based On Selection: 23
Christopher Nietch
Systems Ecology
Biogeochemistry
Ecotoxicology
Stream Ecology
Nutrient Management
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
26
21
0.808
* Total H Index Rankings
Ranking Based On Selection: 24
James E Kaldy
Seagrass ecophysiology
Estuarine ecology
Stable Isotope Ecology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
24
13
0.542
* Total H Index Rankings
Ranking Based On Selection: 25
Anne Kuhn
habitat modeling
landscape ecology
ecotoxicology
conservation ecology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
24
11
0.458
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Jorge W Santo Domingo
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
61
36
0.590
Molecular Microbial Ecology
drinking water
microbial ecology
environmental microbiology
water
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Thomas B Knudsen
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
58
35
0.603
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Philip R Kaufmann|Philip Robert Kaufmann, P.R. Kaufmann
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
55
30
0.545
aquatic ecology
fluvial geomorphology
hydrology
physical habitat
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Jay Garland
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
54
28
0.519
environmental microbiology
microbial ecology
regenerative system design
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Stephanie Padilla
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
53
26
0.491
neurotoxicology
developmental toxicology
chemical screening
zebrafish
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
James Lazorchak
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
31
0.608
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
John L Stoddard
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
51
27
0.529
freshwater ecology
biogeochemistry
acidification
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Jana Compton
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
43
28
0.651
Nitrogen cycling
Phosphorus cycling
watersheds
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Scott G Leibowitz
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
42
31
0.738
landscape ecology
aquatic ecology
watershed modeling
spatial analysis
hydrological connectivity
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Charles R Lane
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
34
0.829
Wetland Ecology
Systems Ecology
Landscape Ecology
Watershed Management
* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Cathleen Wigand
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
39
21
0.538
wetland ecology
climate adaptation
eutrophication
salt marshes
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Paul Mayer
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
38
30
0.789
ecosystem restoration
urban ecology
nitrogen
animal behavior
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Ken Fritz
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
38
28
0.737
non-perennial streams
headwaters
connectivity
invertebrates
disturbance
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Christopher M Clark
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
33
27
0.818
Ecology
Nitrogen Deposition
Biofuels
Climate Change
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Theodore R Angradi
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
32
16
0.500
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
James D. Hagy III
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
30
18
0.600
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Glenn Suter
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
30
15
0.500
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Nathan Schumaker
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
29
17
0.586
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
John Johnston
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
21
0.778
ecology
watershed modeling
mercury exposure and bioaccumulation
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Sandy Raimondo
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
Ecological Risk Assessment
Population Modeling
Aquatic Toxicology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Steve Paulsen
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
16
0.593
fresh water ecology
large scale assessment
monitoring
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Marguerite Pelletier
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
13
0.481
Estuarine Ecology
Benthic Invertebrates
Environmental Indicators
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Christopher Nietch
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
26
21
0.808
Systems Ecology
Biogeochemistry
Ecotoxicology
Stream Ecology
Nutrient Management
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
James E Kaldy
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
24
13
0.542
Seagrass ecophysiology
Estuarine ecology
Stable Isotope Ecology
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Anne Kuhn
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
24
11
0.458
habitat modeling
landscape ecology
ecotoxicology
conservation ecology