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H-Index
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New Zealand 87 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 87 scientist, 1 country, 18 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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24,773
World Rank
New Zealand
76
Country Rank
University of Auckland Logo
31
University
Ranking Based On Selection:
1
Ajit Sarmah
University of Auckland Auckland, New Zealand
Engineering & Technology / Environmental Science & Engineering
Bioenergy | Biochar | fate modelling and validation of emerging contaminants in the terrestrial and aquatic ecosystems | exposure modelling and risk assessment of veterinary medicinesFirst interest | Second interes

H-Index Metrics

  • Total
    77
  • Last 5 Years
    67
  • Last 5 Years / Total
    0.870
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* Total H Index Rankings

Rankings

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32,799
World Rank
New Zealand
112
Country Rank
University of Auckland Logo
37
University
Ranking Based On Selection:
2
Gary Brierley
University of Auckland Auckland, New Zealand
Engineering & Technology / Environmental Science & Engineering
River science | geomorphology | river managemen

H-Index Metrics

  • Total
    71
  • Last 5 Years
    45
  • Last 5 Years / Total
    0.634
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* Total H Index Rankings

Rankings

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37,495
World Rank
New Zealand
136
Country Rank
University of Canterbury Logo
9
University
Ranking Based On Selection:
3
Brett Robinson
University of Canterbury Christchurch, New Zealand
Engineering & Technology / Environmental Science & Engineering
Environmental Scienc

H-Index Metrics

  • Total
    68
  • Last 5 Years
    43
  • Last 5 Years / Total
    0.632
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* Total H Index Rankings

Rankings

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37,618
World Rank
New Zealand
138
Country Rank
Landcare Research Ltd Logo
3
University
Ranking Based On Selection:
4
Miko Kirschbaum
Landcare Research Ltd , New Zealand
Engineering & Technology / Environmental Science & Engineering
Climate change | ecophysiology | modelling | Soil carbo

H-Index Metrics

  • Total
    68
  • Last 5 Years
    41
  • Last 5 Years / Total
    0.603
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* Total H Index Rankings

Rankings

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48,293
World Rank
New Zealand
192
Country Rank
Massey University Logo
21
University
Ranking Based On Selection:
5
Tony Parsons
Massey University Palmerston North, New Zealand
Engineering & Technology / Environmental Science & Engineering
IInterests: Grassland Science | Ecology | C Cycle | Climate Chang

H-Index Metrics

  • Total
    63
  • Last 5 Years
    24
  • Last 5 Years / Total
    0.381
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* Total H Index Rankings

Rankings

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52,798
World Rank
New Zealand
210
Country Rank
Landcare Research Ltd Logo
4
University
Ranking Based On Selection:
6
Surinder Saggar
Landcare Research Ltd , New Zealand
Engineering & Technology / Environmental Science & Engineering
Greenhouse Gases & Climate Change | Soil biogeochemistry | Carbon and nutrient dynamcis | soi

H-Index Metrics

  • Total
    61
  • Last 5 Years
    31
  • Last 5 Years / Total
    0.508
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* Total H Index Rankings

Rankings

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55,397
World Rank
New Zealand
226
Country Rank
National Institute of Water & Atmospheric Research Ltd (NIWA) Logo
6
University
Ranking Based On Selection:
7
Richard McKenzie
National Institute of Water & Atmospheric Research Ltd (NIWA) Auckland, New Zealand
Engineering & Technology / Environmental Science & Engineering
uv | ozone | vitamin-d | skin cancer | climate chang

H-Index Metrics

  • Total
    60
  • Last 5 Years
    29
  • Last 5 Years / Total
    0.483
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* Total H Index Rankings

Rankings

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66,986
World Rank
New Zealand
298
Country Rank
Plant and Food Research, New Zealand Logo
8
University
Ranking Based On Selection:
8
steve green
Plant and Food Research, New Zealand , New Zealand
Engineering & Technology / Environmental Science & Engineering
environment | soil | plant | atmosphere | modellin

H-Index Metrics

  • Total
    56
  • Last 5 Years
    29
  • Last 5 Years / Total
    0.518
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* Total H Index Rankings

Rankings

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81,055
World Rank
New Zealand
371
Country Rank
Massey University Logo
34
University
Ranking Based On Selection:
9
Benoit Guieysse
Massey University Palmerston North, New Zealand
Engineering & Technology / Environmental Science & Engineering
Industrial microbiology | bioprocess engineering | microalgae biotechnology | environmental engineerin

H-Index Metrics

  • Total
    52
  • Last 5 Years
    32
  • Last 5 Years / Total
    0.615
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* Total H Index Rankings

Rankings

flag
81,994
World Rank
New Zealand
380
Country Rank
University of Auckland Logo
122
University
Ranking Based On Selection:
10
Michael James Salinger
University of Auckland Auckland, New Zealand
Engineering & Technology / Environmental Science & Engineering
climate | climate science | agricultural meteorolog

H-Index Metrics

  • Total
    52
  • Last 5 Years
    26
  • Last 5 Years / Total
    0.500
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* Total H Index Rankings

Rankings

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93,673
World Rank
New Zealand
455
Country Rank
AgResearch Ltd Logo
9
University
Ranking Based On Selection:
11
Cecile AM de Klein
AgResearch Ltd Hamilton, New Zealand
Engineering & Technology / Environmental Science & Engineering
Environmental Research | Agricultural greenhouse gas researc

H-Index Metrics

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

Rankings

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110,405
World Rank
New Zealand
550
Country Rank
University of Waikato Logo
24
University
Ranking Based On Selection:
12
Alan Hogg
University of Waikato Hamilton, New Zealand
Engineering & Technology / Environmental Science & Engineering
Climate Change | Carbon Datin

H-Index Metrics

  • Total
    46
  • Last 5 Years
    28
  • Last 5 Years / Total
    0.609
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* Total H Index Rankings

Rankings

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119,418
World Rank
New Zealand
606
Country Rank
University of Auckland Logo
175
University
Ranking Based On Selection:
13
Vicente A González
University of Auckland Auckland, New Zealand
Engineering & Technology / Environmental Science & Engineering
Lean construction 4.0 | Mixed-Reality | Serious Games | AI | Digital Twinnin

H-Index Metrics

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

Rankings

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120,630
World Rank
New Zealand
616
Country Rank
University of Auckland Logo
177
University
Ranking Based On Selection:
14
Asaad Y Shamseldin
University of Auckland Auckland, New Zealand
Engineering & Technology / Environmental Science & Engineering
Water Engineerin

H-Index Metrics

  • Total
    44
  • Last 5 Years
    32
  • Last 5 Years / Total
    0.727
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* Total H Index Rankings

Rankings

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127,706
World Rank
New Zealand
655
Country Rank
University of Otago Logo
128
University
Ranking Based On Selection:
15
claire freeman
University of Otago North Dunedin, New Zealand
Engineering & Technology / Environmental Science & Engineering
environmental planning | children | community development | natural resources managemen

H-Index Metrics

  • Total
    43
  • Last 5 Years
    31
  • Last 5 Years / Total
    0.721
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* Total H Index Rankings

Rankings

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133,004
World Rank
New Zealand
691
Country Rank
Victoria University of Wellington Logo
75
University
Ranking Based On Selection:
16
Alex Y Lo
Victoria University of Wellington Wellington, New Zealand
Engineering & Technology / Environmental Science & Engineering
climate change adaptation | climate policy | human geography | emission tradin

H-Index Metrics

  • Total
    42
  • Last 5 Years
    35
  • Last 5 Years / Total
    0.833
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* Total H Index Rankings

Rankings

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150,444
World Rank
New Zealand
798
Country Rank
Victoria University of Wellington Logo
82
University
Ranking Based On Selection:
17
Dave Frame|David Frame, David J Frame
Victoria University of Wellington Wellington, New Zealand
Engineering & Technology / Environmental Science & Engineering
Climate Change | Global Public Good

H-Index Metrics

  • Total
    40
  • Last 5 Years
    29
  • Last 5 Years / Total
    0.725
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* Total H Index Rankings

Rankings

flag
154,636
World Rank
New Zealand
832
Country Rank
University of Auckland Logo
231
University
Ranking Based On Selection:
18
Roger Davies
University of Auckland Auckland, New Zealand
Engineering & Technology / Environmental Science & Engineering
Climate physics | cloud remote sensin

H-Index Metrics

  • Total
    40
  • Last 5 Years
    16
  • Last 5 Years / Total
    0.400
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* Total H Index Rankings

Rankings

flag
156,535
World Rank
New Zealand
844
Country Rank
University of Auckland Logo
236
University
Ranking Based On Selection:
19
Melanie Kah
University of Auckland Auckland, New Zealand
Engineering & Technology / Environmental Science & Engineering
environment | fate | nano | pesticide | remediatio

H-Index Metrics

  • Total
    39
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.846
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* Total H Index Rankings

Rankings

flag
156,822
World Rank
New Zealand
845
Country Rank
University of Auckland Logo
237
University
Ranking Based On Selection:
20
Jennifer Salmond
University of Auckland Auckland, New Zealand
Engineering & Technology / Environmental Science & Engineering
Air pollution meteorology | urban meteorology | geography | urban climate ris

H-Index Metrics

  • Total
    39
  • Last 5 Years
    32
  • Last 5 Years / Total
    0.821
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* Total H Index Rankings

Rankings

flag
158,450
World Rank
New Zealand
858
Country Rank
University of Canterbury Logo
66
University
Ranking Based On Selection:
21
Matthew Stott
University of Canterbury Christchurch, New Zealand
Engineering & Technology / Environmental Science & Engineering
Environmental Microbiology | Microbial Ecology | extremophile microbiolog

H-Index Metrics

  • Total
    39
  • Last 5 Years
    29
  • Last 5 Years / Total
    0.744
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* Total H Index Rankings

Rankings

flag
172,097
World Rank
New Zealand
943
Country Rank
Victoria University of Wellington Logo
89
University
Ranking Based On Selection:
22
James Salinger
Victoria University of Wellington Wellington, New Zealand
Engineering & Technology / Environmental Science & Engineering
climate | climate science | agricultur

H-Index Metrics

  • Total
    38
  • Last 5 Years
    18
  • Last 5 Years / Total
    0.474
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* Total H Index Rankings

Rankings

flag
178,684
World Rank
New Zealand
978
Country Rank
University of Auckland Logo
265
University
Ranking Based On Selection:
23
Naresh Singhal
University of Auckland Auckland, New Zealand
Engineering & Technology / Environmental Science & Engineering
Biological and chemical treatment technologies | contaminated soils remediation | bioremediation | phytoremediatio

H-Index Metrics

  • Total
    37
  • Last 5 Years
    25
  • Last 5 Years / Total
    0.676
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* Total H Index Rankings

Rankings

flag
187,616
World Rank
New Zealand
1,035
Country Rank
University of Auckland Logo
280
University
Ranking Based On Selection:
24
Andreas Neef
University of Auckland Auckland, New Zealand
Engineering & Technology / Environmental Science & Engineering
Climate Mobilities | Climate Change Adaptation | Natural Resource Governance | Participatory Researc

H-Index Metrics

  • Total
    36
  • Last 5 Years
    26
  • Last 5 Years / Total
    0.722
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* Total H Index Rankings

Rankings

flag
192,980
World Rank
New Zealand
1,082
Country Rank
Plant and Food Research, New Zealand Logo
42
University
Ranking Based On Selection:
25
Louise A Malone
Plant and Food Research, New Zealand , New Zealand
Engineering & Technology / Environmental Science & Engineering
environmental risk assessment | GM plants | entomolog

H-Index Metrics

  • Total
    36
  • Last 5 Years
    15
  • Last 5 Years / Total
    0.417
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