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H-Index
Rankings

New Zealand 88 Scientists H-Index Engineering & Technology / Environmental Science & Engineering Rankings - 2026

Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.

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Total 88 scientist , Updates every 3 days
* Total H Index Rankings

Rankings

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25,328
World Rank
New Zealand
74
Country Rank
University of Auckland Logo
30
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
    78
  • Last 5 Years
    69
  • Last 5 Years / Total
    0.885
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* Total H Index Rankings

Rankings

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34,821
World Rank
New Zealand
116
Country Rank
University of Auckland Logo
38
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
    46
  • Last 5 Years / Total
    0.648
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* Total H Index Rankings

Rankings

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38,043
World Rank
New Zealand
138
Country Rank
University of Canterbury Logo
10
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
    69
  • Last 5 Years
    44
  • Last 5 Years / Total
    0.638
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* Total H Index Rankings

Rankings

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39,822
World Rank
New Zealand
148
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
    43
  • Last 5 Years / Total
    0.632
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* Total H Index Rankings

Rankings

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48,868
World Rank
New Zealand
190
Country Rank
Massey University Logo
20
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
    64
  • Last 5 Years
    25
  • Last 5 Years / Total
    0.391
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* Total H Index Rankings

Rankings

flag
55,754
World Rank
New Zealand
224
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
    32
  • Last 5 Years / Total
    0.525
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* Total H Index Rankings

Rankings

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55,910
World Rank
New Zealand
225
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
    61
  • Last 5 Years
    30
  • Last 5 Years / Total
    0.492
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* Total H Index Rankings

Rankings

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70,858
World Rank
New Zealand
311
Country Rank
Plant and Food Research, New Zealand Logo
9
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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81,519
World Rank
New Zealand
366
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
    53
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.623
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* Total H Index Rankings

Rankings

flag
85,167
World Rank
New Zealand
386
Country Rank
AgResearch Ltd Logo
7
University
Ranking Based On Selection:
10
Cecile AM de Klein
AgResearch Ltd Hamilton, New Zealand
Engineering & Technology / Environmental Science & Engineering
Environmental Research | Agricultural greenhouse gas researc

H-Index Metrics

  • Total
    52
  • Last 5 Years
    35
  • Last 5 Years / Total
    0.673
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* Total H Index Rankings

Rankings

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86,576
World Rank
New Zealand
398
Country Rank
University of Auckland Logo
126
University
Ranking Based On Selection:
11
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
    27
  • Last 5 Years / Total
    0.519
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* Total H Index Rankings

Rankings

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110,253
World Rank
New Zealand
537
Country Rank
University of Waikato Logo
25
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
    47
  • Last 5 Years
    30
  • Last 5 Years / Total
    0.638
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* Total H Index Rankings

Rankings

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113,344
World Rank
New Zealand
549
Country Rank
University of Auckland Logo
162
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
    46
  • Last 5 Years
    39
  • Last 5 Years / Total
    0.848
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* Total H Index Rankings

Rankings

flag
120,355
World Rank
New Zealand
595
Country Rank
University of Auckland Logo
175
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
    45
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.756
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* Total H Index Rankings

Rankings

flag
125,828
World Rank
New Zealand
634
Country Rank
Victoria University of Wellington Logo
68
University
Ranking Based On Selection:
15
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
    44
  • Last 5 Years
    37
  • Last 5 Years / Total
    0.841
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* Total H Index Rankings

Rankings

flag
134,658
World Rank
New Zealand
677
Country Rank
University of Otago Logo
132
University
Ranking Based On Selection:
16
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

flag
150,404
World Rank
New Zealand
786
Country Rank
Victoria University of Wellington Logo
80
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
    41
  • Last 5 Years
    29
  • Last 5 Years / Total
    0.707
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* Total H Index Rankings

Rankings

flag
154,058
World Rank
New Zealand
809
Country Rank
University of Auckland Logo
226
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
    41
  • Last 5 Years
    16
  • Last 5 Years / Total
    0.390
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* Total H Index Rankings

Rankings

flag
155,628
World Rank
New Zealand
818
Country Rank
University of Auckland Logo
230
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
    40
  • Last 5 Years
    35
  • Last 5 Years / Total
    0.875
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* Total H Index Rankings

Rankings

flag
156,317
World Rank
New Zealand
821
Country Rank
University of Auckland Logo
231
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
    40
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.825
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* Total H Index Rankings

Rankings

flag
157,914
World Rank
New Zealand
834
Country Rank
University of Canterbury Logo
64
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
    40
  • Last 5 Years
    30
  • Last 5 Years / Total
    0.750
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* Total H Index Rankings

Rankings

flag
180,964
World Rank
New Zealand
974
Country Rank
Victoria University of Wellington Logo
91
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
186,447
World Rank
New Zealand
1,004
Country Rank
University of Auckland Logo
276
University
Ranking Based On Selection:
23
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
    37
  • Last 5 Years
    27
  • Last 5 Years / Total
    0.730
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* Total H Index Rankings

Rankings

flag
187,985
World Rank
New Zealand
1,017
Country Rank
University of Auckland Logo
279
University
Ranking Based On Selection:
24
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
202,575
World Rank
New Zealand
1,110
Country Rank
Plant and Food Research, New Zealand Logo
44
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
    16
  • Last 5 Years / Total
    0.444
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