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i10 Productivity
Rankings

World 19,632 Scientists Engineering & Technology / Engineering & Technology / Environmental Science & Engineering i10 Productivity Rankings - 2026

Discover the only real-time global i10 Index ranking that measures the productivity of 2.6 million scientists worldwide. By analyzing both total and last 5 years’ i10 values, this ranking highlights consistency and sustained academic contribution. Compare performance at global, continental, national, and institutional levels across 13 main fields and 221 disciplines.

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Total 19,632 scientist , 221 country , 24,659 institution , Updates every 3 days
* Total i10 Index Rankings

Rankings

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381
World Rank
China
61
Country Rank
Institute of Tibetan Plateau Research, Chinese Academy of Sciences Logo
1
University
Ranking Based On Selection:
1
Shenghai Li （李生海）
Institute of Tibetan Plateau Research, Chinese Academy of Sciences Beijing, China
Engineering & Technology / Environmental Science & Engineering
Glacier energy and mass balance | Climate change at high altitude region | Glacier hydolog

i-10 Metrics

  • Total
    1,229
  • Last 5 Years
    652
  • Last 5 Years / Total
    0.531
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* Total i10 Index Rankings

Rankings

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544
World Rank
China
73
Country Rank
Beijing Normal University Logo
1
University
Ranking Based On Selection:
2
Wang Jinsheng(王金生)
Beijing Normal University Beijing, China
Engineering & Technology / Environmental Science & Engineering
Groundwater | Hydrogeology | Hydrology | Earth Science

i-10 Metrics

  • Total
    1,114
  • Last 5 Years
    616
  • Last 5 Years / Total
    0.553
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* Total i10 Index Rankings

Rankings

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560
World Rank
Saudi Arabia
4
Country Rank
King Saud University Logo
2
University
Ranking Based On Selection:
3
Mika Sillanpää
King Saud University Riyadh, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Chemistry | Environmental Engineering | Green Chemistry | Chemical Engineering | Water Treatmen

i-10 Metrics

  • Total
    1,102
  • Last 5 Years
    991
  • Last 5 Years / Total
    0.899
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* Total i10 Index Rankings

Rankings

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561
World Rank
China
75
Country Rank
Hohai University Logo
2
University
Ranking Based On Selection:
4
Xi Chen
Hohai University Nanjing, China
Engineering & Technology / Environmental Science & Engineering
Hydrological modeling and prediction | Surface water and groundwater interaction | Hydrological response to climate chang

i-10 Metrics

  • Total
    1,102
  • Last 5 Years
    877
  • Last 5 Years / Total
    0.796
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* Total i10 Index Rankings

Rankings

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661
World Rank
China
87
Country Rank
Tongji University Logo
1
University
Ranking Based On Selection:
5
Chen ling
Tongji University Shanghai, China
Engineering & Technology / Environmental Science & Engineering
Environmental analytical chemistry | Environmental monitoring | the fate of pollutant

i-10 Metrics

  • Total
    1,051
  • Last 5 Years
    752
  • Last 5 Years / Total
    0.716
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* Total i10 Index Rankings

Rankings

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664
World Rank
United Kingdom
48
Country Rank
Northumbria University Logo
1
University
Ranking Based On Selection:
6
Zhanhu Guo
Northumbria University Newcastle upon Tyne, United Kingdom
Engineering & Technology / Environmental Science & Engineering
Polymer nanocomposites | Conducting Polymers | Sustainability | Environmental Engineering | Electronic

i-10 Metrics

  • Total
    1,050
  • Last 5 Years
    972
  • Last 5 Years / Total
    0.926
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* Total i10 Index Rankings

Rankings

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713
World Rank
China
97
Country Rank
Wuhan University Logo
3
University
Ranking Based On Selection:
7
Wei Zhou
Wuhan University Wuhan, China
Engineering & Technology / Environmental Science & Engineering
numerical simulation | granular material | concret

i-10 Metrics

  • Total
    1,045
  • Last 5 Years
    921
  • Last 5 Years / Total
    0.881
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* Total i10 Index Rankings

Rankings

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750
World Rank
China
104
Country Rank
Tsinghua University Logo
7
University
Ranking Based On Selection:
8
Chao Chen
Tsinghua University Beijing, China
Engineering & Technology / Environmental Science & Engineering
Disinfection and DBPs | DBP precursors and characterization | nitrosamines | NOM | T&

i-10 Metrics

  • Total
    1,008
  • Last 5 Years
    941
  • Last 5 Years / Total
    0.934
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* Total i10 Index Rankings

Rankings

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847
World Rank
Australia
19
Country Rank
University of South Australia Logo
1
University
Ranking Based On Selection:
9
Ravi Naidu
University of South Australia Adelaide, Australia
Engineering & Technology / Environmental Science & Engineering
environmental science | pollution | risk and remediatio

i-10 Metrics

  • Total
    967
  • Last 5 Years
    788
  • Last 5 Years / Total
    0.815
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* Total i10 Index Rankings

Rankings

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880
World Rank
United States
241
Country Rank
University of Massachusetts Amherst Logo
4
University
Ranking Based On Selection:
10
Baoshan Xing
University of Massachusetts Amherst Amherst, United States
Engineering & Technology / Environmental Science & Engineering
Environmental & soil chemistry | adsorption | nanoparticles | microplastics | food safet

i-10 Metrics

  • Total
    954
  • Last 5 Years
    857
  • Last 5 Years / Total
    0.898
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* Total i10 Index Rankings

Rankings

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1,050
World Rank
China
138
Country Rank
Harbin Institute of Technology Logo
4
University
Ranking Based On Selection:
11
Jun Ma 马军
Harbin Institute of Technology Harbin, China
Engineering & Technology / Environmental Science & Engineering
Water Treatment Processes | Environmental Nanotechnology | Advanced Oxidation | Membrane Technolog

i-10 Metrics

  • Total
    896
  • Last 5 Years
    839
  • Last 5 Years / Total
    0.936
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* Total i10 Index Rankings

Rankings

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1,107
World Rank
United Kingdom
69
Country Rank
University of Aberdeen Logo
1
University
Ranking Based On Selection:
12
Pete Smith
University of Aberdeen Aberdeen, United Kingdom
Engineering & Technology / Environmental Science & Engineering
Global change | soils | carbon | climate change | mitigatio

i-10 Metrics

  • Total
    876
  • Last 5 Years
    671
  • Last 5 Years / Total
    0.766
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* Total i10 Index Rankings

Rankings

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1,145
World Rank
United Kingdom
70
Country Rank
Lancaster University Logo
1
University
Ranking Based On Selection:
13
Kevin C Jones
Lancaster University Lancaster, United Kingdom
Engineering & Technology / Environmental Science & Engineering
Environmental behaviour and effects of organic contaminants | passive sampling technique

i-10 Metrics

  • Total
    862
  • Last 5 Years
    510
  • Last 5 Years / Total
    0.592
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* Total i10 Index Rankings

Rankings

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1,183
World Rank
Canada
40
Country Rank
University of Regina Logo
1
University
Ranking Based On Selection:
14
Guohe Huang
University of Regina Regina, Canada
Engineering & Technology / Environmental Science & Engineering
planning of energy and environmental systems | synchrotron-based environmental chemistry and biochemistry | climate modeling and

i-10 Metrics

  • Total
    850
  • Last 5 Years
    495
  • Last 5 Years / Total
    0.582
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* Total i10 Index Rankings

Rankings

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1,355
World Rank
China
177
Country Rank
Institute of Urban Environment, Chinese Academy of Sciences Logo
1
University
Ranking Based On Selection:
15
Yong-Guan Zhu
Institute of Urban Environment, Chinese Academy of Sciences Xiamen, China
Engineering & Technology / Environmental Science & Engineering
Environmental Soil Science & Biogeochemistr

i-10 Metrics

  • Total
    809
  • Last 5 Years
    739
  • Last 5 Years / Total
    0.913
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* Total i10 Index Rankings

Rankings

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1,369
World Rank
China
181
Country Rank
Hohai University Logo
3
University
Ranking Based On Selection:
16
zhiyong wu(吴志勇)
Hohai University Nanjing, China
Engineering & Technology / Environmental Science & Engineering
Hydrology | Water Resources | Drought | Flood forecas

i-10 Metrics

  • Total
    807
  • Last 5 Years
    536
  • Last 5 Years / Total
    0.664
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* Total i10 Index Rankings

Rankings

flag
1,573
World Rank
United Kingdom
101
Country Rank
Lancaster University Logo
2
University
Ranking Based On Selection:
17
Kevin Jones
Lancaster University Lancaster, United Kingdom
Engineering & Technology / Environmental Science & Engineering
Environmental scienc

i-10 Metrics

  • Total
    761
  • Last 5 Years
    430
  • Last 5 Years / Total
    0.565
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* Total i10 Index Rankings

Rankings

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1,750
World Rank
Netherlands
36
Country Rank
Utrecht University Logo
5
University
Ranking Based On Selection:
18
Roel Vermeulen
Utrecht University Utrecht, Netherlands
Engineering & Technology / Environmental Science & Engineering
Environmental | Occupational Epidemiolog

i-10 Metrics

  • Total
    725
  • Last 5 Years
    632
  • Last 5 Years / Total
    0.872
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* Total i10 Index Rankings

Rankings

flag
1,794
World Rank
Australia
55
Country Rank
University of Technology Sydney Logo
2
University
Ranking Based On Selection:
19
Huu Hao Ngo
University of Technology Sydney Sydney, Australia
Engineering & Technology / Environmental Science & Engineering
Advanced biological waste treatment processes | membrane technologies | alternative water resources | resource recovery | environme

i-10 Metrics

  • Total
    718
  • Last 5 Years
    630
  • Last 5 Years / Total
    0.877
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* Total i10 Index Rankings

Rankings

flag
1,936
World Rank
Malaysia
8
Country Rank
Universiti Sains Malaysia Logo
2
University
Ranking Based On Selection:
20
Hamidi Abdul Aziz
Universiti Sains Malaysia Penang, Malaysia
Engineering & Technology / Environmental Science & Engineering
Environmental engineerin

i-10 Metrics

  • Total
    695
  • Last 5 Years
    565
  • Last 5 Years / Total
    0.813
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* Total i10 Index Rankings

Rankings

flag
2,064
World Rank
China
262
Country Rank
Institute of Tibetan Plateau Research, Chinese Academy of Sciences Logo
2
University
Ranking Based On Selection:
21
Shichang Kang
Institute of Tibetan Plateau Research, Chinese Academy of Sciences Beijing, China
Engineering & Technology / Environmental Science & Engineering
Atmosperic Environment | Cryosphere | Climate Chang

i-10 Metrics

  • Total
    676
  • Last 5 Years
    588
  • Last 5 Years / Total
    0.870
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* Total i10 Index Rankings

Rankings

flag
2,176
World Rank
United States
640
Country Rank
Arizona State University Logo
1
University
Ranking Based On Selection:
22
Bruce E Rittmann
Arizona State University Tempe, United States
Engineering & Technology / Environmental Science & Engineering
Environmental Biotechnology | Environmental Engineering | Biogeochemistry | Resource Recover

i-10 Metrics

  • Total
    661
  • Last 5 Years
    452
  • Last 5 Years / Total
    0.684
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* Total i10 Index Rankings

Rankings

flag
2,249
World Rank
Canada
78
Country Rank
Queen's University Kingston Logo
1
University
Ranking Based On Selection:
23
John Smol
Queen's University Kingston Kingston, Canada
Engineering & Technology / Environmental Science & Engineering
Limnology | Paleolimnology | Limnogeology | Arctic | Diatom

i-10 Metrics

  • Total
    651
  • Last 5 Years
    412
  • Last 5 Years / Total
    0.633
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* Total i10 Index Rankings

Rankings

flag
2,387
World Rank
China
291
Country Rank
China University of Petroleum Beijing Logo
1
University
Ranking Based On Selection:
24
Jie Ma
China University of Petroleum Beijing Beijing, China
Engineering & Technology / Environmental Science & Engineering
Environmental engineering | environmental microbiology | microbial ecology | vapor intrusion

i-10 Metrics

  • Total
    633
  • Last 5 Years
    563
  • Last 5 Years / Total
    0.889
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* Total i10 Index Rankings

Rankings

flag
2,472
World Rank
Pakistan
10
Country Rank
Government College University Faisalabad Logo
2
University
Ranking Based On Selection:
25
Shafaqat Ali
Government College University Faisalabad Punjab, Pakistan
Engineering & Technology / Environmental Science & Engineering
Phytotoxicity and Phytoremidiation of heavy metals and industrial effluents | stress physiology | Environmental Science | biocha

i-10 Metrics

  • Total
    624
  • Last 5 Years
    568
  • Last 5 Years / Total
    0.910
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