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H-Index
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United States 91 Scientists H-Index Engineering & Technology / Environmental Science & Engineering Rankings - 2026

This real-time ranking measures researchers’ academic productivity and impact at global, continental, national, and institutional levels using total and recent 5-year H-index data. Comparative analysis is available across 13 main fields and 221 academic disciplines.

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Total 91 scientist, 1 country, 45 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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14,139
World Rank
United States
6,231
Country Rank
University of Maryland Center for Environmental Science Logo
2
University
Ranking Based On Selection:
1
Patricia Glibert
University of Maryland Center for Environmental Science Cambridge, United States
Engineering & Technology / Environmental Science & Engineering
eutrophication | nitrogen cycling | algal blooms | harmful alga

H-Index Metrics

  • Total
    91
  • Last 5 Years
    55
  • Last 5 Years / Total
    0.604
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* Total H Index Rankings

Rankings

flag
17,900
World Rank
United States
7,808
Country Rank
University of California Berkeley Logo
191
University
Ranking Based On Selection:
2
Krishna K Niyogi
University of California Berkeley Berkeley, United States
Engineering & Technology / Environmental Science & Engineering
Photosynthesis | Algal Biology | Plant Biology | Carbon Sequestration | Climate Chang

H-Index Metrics

  • Total
    85
  • Last 5 Years
    60
  • Last 5 Years / Total
    0.706
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* Total H Index Rankings

Rankings

flag
21,372
World Rank
United States
9,167
Country Rank
University of Arizona Logo
56
University
Ranking Based On Selection:
3
Raina Maier Miller
University of Arizona Tucson, United States
Engineering & Technology / Environmental Science & Engineering
environmental microbiology | biosurfactant

H-Index Metrics

  • Total
    81
  • Last 5 Years
    49
  • Last 5 Years / Total
    0.605
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* Total H Index Rankings

Rankings

flag
21,640
World Rank
United States
9,269
Country Rank
Purdue University Logo
49
University
Ranking Based On Selection:
4
Michael Ladisch
Purdue University West Lafayette, United States
Engineering & Technology / Environmental Science & Engineering
bioprocess engineering | bioseparations | biomedical engineering | bioenergy | food safet

H-Index Metrics

  • Total
    81
  • Last 5 Years
    39
  • Last 5 Years / Total
    0.481
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* Total H Index Rankings

Rankings

flag
38,517
World Rank
United States
15,620
Country Rank
University of Notre Dame Logo
40
University
Ranking Based On Selection:
5
Kyle Bibby
University of Notre Dame Notre Dame, United States
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering | Microbiolog

H-Index Metrics

  • Total
    67
  • Last 5 Years
    55
  • Last 5 Years / Total
    0.821
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* Total H Index Rankings

Rankings

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39,664
World Rank
United States
16,011
Country Rank
University of Alaska Fairbanks Logo
9
University
Ranking Based On Selection:
6
Larry Hinzman
University of Alaska Fairbanks Fairbanks, United States
Engineering & Technology / Environmental Science & Engineering
Arctic Scienc

H-Index Metrics

  • Total
    67
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.537
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* Total H Index Rankings

Rankings

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52,710
World Rank
United States
20,601
Country Rank
Texas A&M University Commerce Logo
4
University
Ranking Based On Selection:
7
Paul Montagna
Texas A&M University Commerce Commerce, United States
Engineering & Technology / Environmental Science & Engineering
Environmental science | Ecology | Marine science | Biological oceanograph

H-Index Metrics

  • Total
    61
  • Last 5 Years
    32
  • Last 5 Years / Total
    0.525
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* Total H Index Rankings

Rankings

flag
58,363
World Rank
United States
22,533
Country Rank
University of Maryland Center for Environmental Science Logo
13
University
Ranking Based On Selection:
8
Michael Roman
University of Maryland Center for Environmental Science Cambridge, United States
Engineering & Technology / Environmental Science & Engineering
Biological oceanography | zooplankton ecology | hypoxia effects on pelagic food web

H-Index Metrics

  • Total
    59
  • Last 5 Years
    23
  • Last 5 Years / Total
    0.390
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* Total H Index Rankings

Rankings

flag
75,547
World Rank
United States
28,178
Country Rank
University of Alaska Fairbanks Logo
21
University
Ranking Based On Selection:
9
Katey Walter Anthony
University of Alaska Fairbanks Fairbanks, United States
Engineering & Technology / Environmental Science & Engineering
permafrost | Arctic lakes | methane | carbon | climate chang

H-Index Metrics

  • Total
    53
  • Last 5 Years
    42
  • Last 5 Years / Total
    0.792
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* Total H Index Rankings

Rankings

flag
84,137
World Rank
United States
30,866
Country Rank
University of Michigan Logo
694
University
Ranking Based On Selection:
10
Matt Friedman
University of Michigan Ann Arbor, United States
Engineering & Technology / Environmental Science & Engineering
ichthyology | paleontology | macroevolution | fishes | anatom

H-Index Metrics

  • Total
    51
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.725
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* Total H Index Rankings

Rankings

flag
96,665
World Rank
United States
34,808
Country Rank
University of California Berkeley Logo
564
University
Ranking Based On Selection:
11
Joshua Schulz Apte|Josh Apte, Joshua Schulz Apte
University of California Berkeley Berkeley, United States
Engineering & Technology / Environmental Science & Engineering
air pollution | exposure assessment | energy and environment | aerosol science | environmental engineerin

H-Index Metrics

  • Total
    48
  • Last 5 Years
    44
  • Last 5 Years / Total
    0.917
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* Total H Index Rankings

Rankings

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98,156
World Rank
United States
35,193
Country Rank
University of North Carolina Chapel Hill Logo
364
University
Ranking Based On Selection:
12
Marc Serre
University of North Carolina Chapel Hill Chapel Hill, United States
Engineering & Technology / Environmental Science & Engineering
Environmental sciences | Environmental engineerin

H-Index Metrics

  • Total
    48
  • Last 5 Years
    35
  • Last 5 Years / Total
    0.729
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* Total H Index Rankings

Rankings

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102,687
World Rank
United States
36,607
Country Rank
University of Maryland Center for Environmental Science Logo
19
University
Ranking Based On Selection:
13
Matthew C Fitzpatrick
University of Maryland Center for Environmental Science Cambridge, United States
Engineering & Technology / Environmental Science & Engineering
species distribution modelling | global change | biodiversity | macroecology | biogeograph

H-Index Metrics

  • Total
    47
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.787
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* Total H Index Rankings

Rankings

flag
107,511
World Rank
United States
38,027
Country Rank
University of Maryland Center for Environmental Science Logo
21
University
Ranking Based On Selection:
14
Michael Gonsior
University of Maryland Center for Environmental Science Cambridge, United States
Engineering & Technology / Environmental Science & Engineering
Marine and freshwater biogeochemistry | Environmental Engineering | Environmental Chemistr

H-Index Metrics

  • Total
    46
  • Last 5 Years
    39
  • Last 5 Years / Total
    0.848
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* Total H Index Rankings

Rankings

flag
118,307
World Rank
United States
41,271
Country Rank
Texas A&M International University Logo
4
University
Ranking Based On Selection:
15
Hwise Rcn
Texas A&M International University Laredo, United States
Engineering & Technology / Environmental Science & Engineering
water | water governance | water insecurity | water securit

H-Index Metrics

  • Total
    44
  • Last 5 Years
    43
  • Last 5 Years / Total
    0.977
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* Total H Index Rankings

Rankings

flag
119,577
World Rank
United States
41,575
Country Rank
University of California Berkeley Logo
622
University
Ranking Based On Selection:
16
Lara Kueppers
University of California Berkeley Berkeley, United States
Engineering & Technology / Environmental Science & Engineering
Climate change | ecology | ecosystem scienc

H-Index Metrics

  • Total
    44
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.818
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* Total H Index Rankings

Rankings

flag
120,537
World Rank
United States
41,854
Country Rank
University of Michigan Logo
894
University
Ranking Based On Selection:
17
Pamela Jagger
University of Michigan Ann Arbor, United States
Engineering & Technology / Environmental Science & Engineering
Environment and development | Poverty dynamic

H-Index Metrics

  • Total
    44
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.750
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* Total H Index Rankings

Rankings

flag
120,573
World Rank
United States
41,873
Country Rank
University of Massachusetts Lowell Logo
34
University
Ranking Based On Selection:
18
Mathew Barlow
University of Massachusetts Lowell Lowell, United States
Engineering & Technology / Environmental Science & Engineering
Climate dynamics | climate change | drought | extreme event

H-Index Metrics

  • Total
    44
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.750
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* Total H Index Rankings

Rankings

flag
128,920
World Rank
United States
44,282
Country Rank
University of California Berkeley Logo
651
University
Ranking Based On Selection:
19
Neil D Tsutsui
University of California Berkeley Berkeley, United States
Engineering & Technology / Environmental Science & Engineering
evolution | behavior | chemical ecology | and genetics of ants and bees

H-Index Metrics

  • Total
    43
  • Last 5 Years
    28
  • Last 5 Years / Total
    0.651
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* Total H Index Rankings

Rankings

flag
140,753
World Rank
United States
47,739
Country Rank
University of California Berkeley Logo
693
University
Ranking Based On Selection:
20
Justin V Remais
University of California Berkeley Berkeley, United States
Engineering & Technology / Environmental Science & Engineering
Infectious disease dynamics | global environmental change | methodological issues in infectiou

H-Index Metrics

  • Total
    41
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.805
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* Total H Index Rankings

Rankings

flag
147,545
World Rank
United States
49,664
Country Rank
University of California Berkeley Logo
713
University
Ranking Based On Selection:
21
Lei Ma
University of California Berkeley Berkeley, United States
Engineering & Technology / Environmental Science & Engineering
Environmental Catalysis | Air Pollution Contro

H-Index Metrics

  • Total
    40
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.900
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* Total H Index Rankings

Rankings

flag
187,041
World Rank
United States
60,517
Country Rank
University of Arizona Logo
449
University
Ranking Based On Selection:
22
K Reynolds
University of Arizona Tucson, United States
Engineering & Technology / Environmental Science & Engineering
water microbiology healt

H-Index Metrics

  • Total
    36
  • Last 5 Years
    27
  • Last 5 Years / Total
    0.750
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* Total H Index Rankings

Rankings

flag
193,677
World Rank
United States
62,379
Country Rank
University of Michigan Logo
1,320
University
Ranking Based On Selection:
23
Neil Carter
University of Michigan Ann Arbor, United States
Engineering & Technology / Environmental Science & Engineering
Complexity of social-ecological systems | sustainability science | wildlife ecology | landscape ecology | conservation ecolog

H-Index Metrics

  • Total
    35
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.971
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* Total H Index Rankings

Rankings

flag
200,574
World Rank
United States
64,165
Country Rank
University of Arizona Logo
478
University
Ranking Based On Selection:
24
Robert Varady
University of Arizona Tucson, United States
Engineering & Technology / Environmental Science & Engineering
Water governance and polic

H-Index Metrics

  • Total
    35
  • Last 5 Years
    23
  • Last 5 Years / Total
    0.657
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* Total H Index Rankings

Rankings

flag
220,019
World Rank
United States
69,404
Country Rank
University of Maine System Logo
71
University
Ranking Based On Selection:
25
Onur G Apul
University of Maine System Orono, United States
Engineering & Technology / Environmental Science & Engineering
Water Treatment | Adsorption | Environmental Nanotechnolog

H-Index Metrics

  • Total
    33
  • Last 5 Years
    28
  • Last 5 Years / Total
    0.848
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