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Ireland 79 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 79 scientist, 1 country, 14 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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30,858
World Rank
Ireland
113
Country Rank
University of Galway Logo
11
University
Ranking Based On Selection:
1
Chaosheng Zhang
University of Galway Galway, Ireland
Engineering & Technology / Environmental Science & Engineering
Environmental sciences | GIS | Spatial analysis | Soil | Metal

H-Index Metrics

  • Total
    72
  • Last 5 Years
    57
  • Last 5 Years / Total
    0.792
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* Total H Index Rankings

Rankings

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44,035
World Rank
Ireland
176
Country Rank
University of Galway Logo
18
University
Ranking Based On Selection:
2
Michael Rodgers
University of Galway Galway, Ireland
Engineering & Technology / Environmental Science & Engineering
Environmental engineering | Forestr

H-Index Metrics

  • Total
    65
  • Last 5 Years
    18
  • Last 5 Years / Total
    0.277
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* Total H Index Rankings

Rankings

flag
51,253
World Rank
Ireland
205
Country Rank
University of Galway Logo
24
University
Ranking Based On Selection:
3
Zhan Xinmin
University of Galway Galway, Ireland
Engineering & Technology / Environmental Science & Engineering
environmental engineering and scienc

H-Index Metrics

  • Total
    61
  • Last 5 Years
    47
  • Last 5 Years / Total
    0.770
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* Total H Index Rankings

Rankings

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82,832
World Rank
Ireland
355
Country Rank
University of Galway Logo
53
University
Ranking Based On Selection:
4
Guangxue Wu
University of Galway Galway, Ireland
Engineering & Technology / Environmental Science & Engineering
Wastewater Treatment | Anaerobic Digestion | Biological Nutrient Remova

H-Index Metrics

  • Total
    51
  • Last 5 Years
    46
  • Last 5 Years / Total
    0.902
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* Total H Index Rankings

Rankings

flag
87,350
World Rank
Ireland
383
Country Rank
University of Limerick Logo
26
University
Ranking Based On Selection:
5
David Styles
University of Limerick Limerick, Ireland
Engineering & Technology / Environmental Science & Engineering
Life cycle assessment | circular economy | climate neutrality | foresight analysis | bio-based system

H-Index Metrics

  • Total
    50
  • Last 5 Years
    44
  • Last 5 Years / Total
    0.880
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* Total H Index Rankings

Rankings

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92,644
World Rank
Ireland
409
Country Rank
Teagasc-Irish Agriculture and Food Development Authority Logo
16
University
Ranking Based On Selection:
6
Owen Fenton
Teagasc-Irish Agriculture and Food Development Authority Carlow, Ireland
Engineering & Technology / Environmental Science & Engineering
N-P-C | groundwater | hydrology | peat soils | SOC stock

H-Index Metrics

  • Total
    49
  • Last 5 Years
    38
  • Last 5 Years / Total
    0.776
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* Total H Index Rankings

Rankings

flag
93,656
World Rank
Ireland
413
Country Rank
Teagasc-Irish Agriculture and Food Development Authority Logo
17
University
Ranking Based On Selection:
7
John Finn
Teagasc-Irish Agriculture and Food Development Authority Carlow, Ireland
Engineering & Technology / Environmental Science & Engineering
Farmland Ecology | Conservation Biology | Ecosystem Functio

H-Index Metrics

  • Total
    49
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.694
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* Total H Index Rankings

Rankings

flag
98,537
World Rank
Ireland
432
Country Rank
Trinity College Dublin Logo
105
University
Ranking Based On Selection:
8
Laurence Gill
Trinity College Dublin Dublin, Ireland
Engineering & Technology / Environmental Science & Engineering
Environmental Engineerin

H-Index Metrics

  • Total
    48
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.688
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* Total H Index Rankings

Rankings

flag
107,643
World Rank
Ireland
479
Country Rank
University of Galway Logo
69
University
Ranking Based On Selection:
9
Liam Morrison
University of Galway Galway, Ireland
Engineering & Technology / Environmental Science & Engineering
environmental scienc

H-Index Metrics

  • Total
    46
  • Last 5 Years
    38
  • Last 5 Years / Total
    0.826
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* Total H Index Rankings

Rankings

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114,214
World Rank
Ireland
518
Country Rank
Teagasc-Irish Agriculture and Food Development Authority Logo
24
University
Ranking Based On Selection:
10
Per-Erik Mellander
Teagasc-Irish Agriculture and Food Development Authority Carlow, Ireland
Engineering & Technology / Environmental Science & Engineering

H-Index Metrics

  • Total
    45
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.756
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* Total H Index Rankings

Rankings

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118,447
World Rank
Ireland
545
Country Rank
University College Cork Logo
84
University
Ranking Based On Selection:
11
Richen Lin
University College Cork Cork, Ireland
Engineering & Technology / Environmental Science & Engineering
Biofuels | Electrofuels | Anaerobic digestion | Power-to-X | CO2 utilisatio

H-Index Metrics

  • Total
    44
  • Last 5 Years
    41
  • Last 5 Years / Total
    0.932
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* Total H Index Rankings

Rankings

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152,839
World Rank
Ireland
706
Country Rank
Trinity College Dublin Logo
153
University
Ranking Based On Selection:
12
Gray NF
Trinity College Dublin Dublin, Ireland
Engineering & Technology / Environmental Science & Engineering
Rivers | wastewater | drinking water | climate change | nematophagous fung

H-Index Metrics

  • Total
    40
  • Last 5 Years
    23
  • Last 5 Years / Total
    0.575
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* Total H Index Rankings

Rankings

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159,125
World Rank
Ireland
733
Country Rank
University College Dublin Logo
179
University
Ranking Based On Selection:
13
Michael Bruen
University College Dublin Dublin, Ireland
Engineering & Technology / Environmental Science & Engineering
hydrology | water resources | engineering | systems analysis | multi-criteria decision makin

H-Index Metrics

  • Total
    39
  • Last 5 Years
    27
  • Last 5 Years / Total
    0.692
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* Total H Index Rankings

Rankings

flag
180,870
World Rank
Ireland
861
Country Rank
University College Dublin Logo
211
University
Ranking Based On Selection:
14
Jacky Croke
University College Dublin Dublin, Ireland
Engineering & Technology / Environmental Science & Engineering
Fluvial geomorphology | floods | Quaternary palaeoclimate change | erosion | connectivit

H-Index Metrics

  • Total
    37
  • Last 5 Years
    21
  • Last 5 Years / Total
    0.568
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* Total H Index Rankings

Rankings

flag
233,878
World Rank
Ireland
1,105
Country Rank
University of Galway Logo
144
University
Ranking Based On Selection:
15
Eoghan Clifford
University of Galway Galway, Ireland
Engineering & Technology / Environmental Science & Engineering
wastewater & water engineering | LCA | process engineering and modelling | active travel & transpor

H-Index Metrics

  • Total
    32
  • Last 5 Years
    26
  • Last 5 Years / Total
    0.813
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* Total H Index Rankings

Rankings

flag
243,887
World Rank
Ireland
1,147
Country Rank
Trinity College Dublin Logo
246
University
Ranking Based On Selection:
16
Jeremy J Piggott
Trinity College Dublin Dublin, Ireland
Engineering & Technology / Environmental Science & Engineering
Global Change | Climate Change | Multiple Stressors | Freshwater | Ecolog

H-Index Metrics

  • Total
    31
  • Last 5 Years
    31
  • Last 5 Years / Total
    1.000
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* Total H Index Rankings

Rankings

flag
248,060
World Rank
Ireland
1,166
Country Rank
University College Dublin Logo
283
University
Ranking Based On Selection:
17
Anna Mölter
University College Dublin Dublin, Ireland
Engineering & Technology / Environmental Science & Engineering
Environmental sciences | epidemiology | GI

H-Index Metrics

  • Total
    31
  • Last 5 Years
    26
  • Last 5 Years / Total
    0.839
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* Total H Index Rankings

Rankings

flag
259,287
World Rank
Ireland
1,220
Country Rank
University of Galway Logo
157
University
Ranking Based On Selection:
18
Yuansheng Hu
University of Galway Galway, Ireland
Engineering & Technology / Environmental Science & Engineering
Wastewater | Biosolids | Constructed wetlands | Microalgae | Bioenerg

H-Index Metrics

  • Total
    30
  • Last 5 Years
    29
  • Last 5 Years / Total
    0.967
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* Total H Index Rankings

Rankings

flag
271,895
World Rank
Ireland
1,288
Country Rank
University of Limerick Logo
115
University
Ranking Based On Selection:
19
Richard Moles
University of Limerick Limerick, Ireland
Engineering & Technology / Environmental Science & Engineering
sustainability scienc

H-Index Metrics

  • Total
    30
  • Last 5 Years
    17
  • Last 5 Years / Total
    0.567
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* Total H Index Rankings

Rankings

flag
314,777
World Rank
Ireland
1,510
Country Rank
Teagasc-Irish Agriculture and Food Development Authority Logo
62
University
Ranking Based On Selection:
20
Fiona Brennan
Teagasc-Irish Agriculture and Food Development Authority Carlow, Ireland
Engineering & Technology / Environmental Science & Engineering
Soil and environmental microbiology | Microbial ecology | Nutrient cycling | Enteric Pathogens | Plant-soil-microbial interaction

H-Index Metrics

  • Total
    27
  • Last 5 Years
    23
  • Last 5 Years / Total
    0.852
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* Total H Index Rankings

Rankings

flag
319,695
World Rank
Ireland
1,537
Country Rank
Trinity College Dublin Logo
332
University
Ranking Based On Selection:
21
Carlos Rocha
Trinity College Dublin Dublin, Ireland
Engineering & Technology / Environmental Science & Engineering
Biogeochemistry | Environmental Change | Marine Chemistry and Geochemistry | Earth Science

H-Index Metrics

  • Total
    27
  • Last 5 Years
    20
  • Last 5 Years / Total
    0.741
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* Total H Index Rankings

Rankings

flag
333,803
World Rank
Ireland
1,605
Country Rank
Trinity College Dublin Logo
352
University
Ranking Based On Selection:
22
Michelle P Browne
Trinity College Dublin Dublin, Ireland
Engineering & Technology / Environmental Science & Engineering
Green H2 | Water Splitting | MXenes | Electrochemistry | Materials characterisatio

H-Index Metrics

  • Total
    26
  • Last 5 Years
    23
  • Last 5 Years / Total
    0.885
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* Total H Index Rankings

Rankings

flag
361,413
World Rank
Ireland
1,746
Country Rank
National University of Ireland Logo
29
University
Ranking Based On Selection:
23
Rowan Fealy
National University of Ireland Dublin, Ireland
Engineering & Technology / Environmental Science & Engineering
climate | climate change | urban climate | glacier

H-Index Metrics

  • Total
    25
  • Last 5 Years
    19
  • Last 5 Years / Total
    0.760
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* Total H Index Rankings

Rankings

flag
363,479
World Rank
Ireland
1,757
Country Rank
University of Limerick Logo
164
University
Ranking Based On Selection:
24
Bernadette O Regan
University of Limerick Limerick, Ireland
Engineering & Technology / Environmental Science & Engineering
Environmental Science | Sustainable development | Modelling and metrics for sustainabilit

H-Index Metrics

  • Total
    25
  • Last 5 Years
    18
  • Last 5 Years / Total
    0.720
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* Total H Index Rankings

Rankings

flag
364,158
World Rank
Ireland
1,759
Country Rank
University College Dublin Logo
394
University
Ranking Based On Selection:
25
Thomas P Curran
University College Dublin Dublin, Ireland
Engineering & Technology / Environmental Science & Engineering
Waste management | Bioeconomy | Air qualit

H-Index Metrics

  • Total
    25
  • Last 5 Years
    18
  • Last 5 Years / Total
    0.720
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