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Saudi Arabia 103 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 103 scientist , Updates every 3 days
* Total H Index Rankings

Rankings

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2,184
World Rank
Saudi Arabia
6
Country Rank
King Saud University Logo
1
University
Ranking Based On Selection:
1
Mika Sillanpää
King Saud University Riyadh, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Chemistry | Environmental Engineering | Green Chemistry | Chemical Engineering | Water Treatmen

H-Index Metrics

  • Total
    149
  • Last 5 Years
    123
  • Last 5 Years / Total
    0.826
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* Total H Index Rankings

Rankings

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27,495
World Rank
Saudi Arabia
87
Country Rank
King Abdullah University of Science & Technology Logo
36
University
Ranking Based On Selection:
2
Ghaffour Noreddine
King Abdullah University of Science & Technology Thuwal, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Water desalination | Renewable energy | Desalination economics | Innovative desalination technologie

H-Index Metrics

  • Total
    76
  • Last 5 Years
    61
  • Last 5 Years / Total
    0.803
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* Total H Index Rankings

Rankings

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46,880
World Rank
Saudi Arabia
172
Country Rank
King Abdulaziz University Logo
22
University
Ranking Based On Selection:
3
Ma Barakat
King Abdulaziz University Jeddah, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Environmental Science

H-Index Metrics

  • Total
    64
  • Last 5 Years
    55
  • Last 5 Years / Total
    0.859
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* Total H Index Rankings

Rankings

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65,072
World Rank
Saudi Arabia
261
Country Rank
King Abdulaziz University Logo
31
University
Ranking Based On Selection:
4
Mansour Almazroui
King Abdulaziz University Jeddah, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Climate | Climate Change | Impact of Climate Change in water resources and environment | climate extreme

H-Index Metrics

  • Total
    57
  • Last 5 Years
    49
  • Last 5 Years / Total
    0.860
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* Total H Index Rankings

Rankings

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71,751
World Rank
Saudi Arabia
298
Country Rank
King Abdulaziz University Logo
38
University
Ranking Based On Selection:
5
Iqbal Ismail
King Abdulaziz University Jeddah, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Electrochemistry | Physical Chemistry | Nanotechnology | Renewable Energy | Environmental Scienc

H-Index Metrics

  • Total
    55
  • Last 5 Years
    47
  • Last 5 Years / Total
    0.855
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* Total H Index Rankings

Rankings

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71,863
World Rank
Saudi Arabia
302
Country Rank
King Abdullah University of Science & Technology Logo
92
University
Ranking Based On Selection:
6
Pascal E Saikaly
King Abdullah University of Science & Technology Thuwal, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Environmental Biotechnology | Microbial Electrochemical Systems | Aerobic Granular Sludge | Anammox | Resource Recover

H-Index Metrics

  • Total
    55
  • Last 5 Years
    46
  • Last 5 Years / Total
    0.836
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* Total H Index Rankings

Rankings

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83,056
World Rank
Saudi Arabia
356
Country Rank
King Abdullah Petroleum Studies and Research Center Logo
1
University
Ranking Based On Selection:
7
Mohamad Hejazi
King Abdullah Petroleum Studies and Research Center Toronto, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Energy | Sustainability | Integrated Assessment | Climate Change Mitigation | Water-Energy-Land Nexu

H-Index Metrics

  • Total
    52
  • Last 5 Years
    48
  • Last 5 Years / Total
    0.923
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* Total H Index Rankings

Rankings

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83,360
World Rank
Saudi Arabia
361
Country Rank
King Abdulaziz University Logo
46
University
Ranking Based On Selection:
8
Oves M
King Abdulaziz University Jeddah, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Antimicrobial Agents | Nanoformulation | Silver nanoparticles | Phosphate solubilization | Biofil

H-Index Metrics

  • Total
    52
  • Last 5 Years
    45
  • Last 5 Years / Total
    0.865
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* Total H Index Rankings

Rankings

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92,494
World Rank
Saudi Arabia
401
Country Rank
King Abdullah University of Science & Technology Logo
108
University
Ranking Based On Selection:
9
Peiying Hong
King Abdullah University of Science & Technology Thuwal, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Applied environmental microbiology | water quality | water reuse | antibiotic resistance | anaerobic processe

H-Index Metrics

  • Total
    50
  • Last 5 Years
    42
  • Last 5 Years / Total
    0.840
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* Total H Index Rankings

Rankings

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101,881
World Rank
Saudi Arabia
448
Country Rank
King Abdulaziz University Logo
56
University
Ranking Based On Selection:
10
Rajeev Kumar
King Abdulaziz University Jeddah, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Environmental Scienc

H-Index Metrics

  • Total
    48
  • Last 5 Years
    43
  • Last 5 Years / Total
    0.896
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* Total H Index Rankings

Rankings

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103,148
World Rank
Saudi Arabia
467
Country Rank
King Abdulaziz University Logo
59
University
Ranking Based On Selection:
11
M Nazrul Islam
King Abdulaziz University Jeddah, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Climate Change | Climate Modelling | Radar and Satellite Meteorology | Monsoon Meteorolog

H-Index Metrics

  • Total
    48
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.750
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* Total H Index Rankings

Rankings

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113,021
World Rank
Saudi Arabia
530
Country Rank
King Abdullah University of Science & Technology Logo
128
University
Ranking Based On Selection:
12
Xiulin Yang
King Abdullah University of Science & Technology Thuwal, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Water splitting | CO2 electroreduction | Clean energ

H-Index Metrics

  • Total
    46
  • Last 5 Years
    40
  • Last 5 Years / Total
    0.870
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* Total H Index Rankings

Rankings

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140,907
World Rank
Saudi Arabia
695
Country Rank
King Abdulaziz University Logo
77
University
Ranking Based On Selection:
13
Ibrahim Hassan
King Abdulaziz University Jeddah, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Air Pollution. Ecophysiolog

H-Index Metrics

  • Total
    42
  • Last 5 Years
    32
  • Last 5 Years / Total
    0.762
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* Total H Index Rankings

Rankings

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155,227
World Rank
Saudi Arabia
768
Country Rank
King Saud University Logo
150
University
Ranking Based On Selection:
14
Alazba
King Saud University Riyadh, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Modeling & Programing-Simulation & Optimizatio

H-Index Metrics

  • Total
    40
  • Last 5 Years
    35
  • Last 5 Years / Total
    0.875
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* Total H Index Rankings

Rankings

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172,905
World Rank
Saudi Arabia
852
Country Rank
King Abdulaziz University Logo
95
University
Ranking Based On Selection:
15
Muhammad Imtiaz Rashid
King Abdulaziz University Jeddah, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Agricultural Science

H-Index Metrics

  • Total
    38
  • Last 5 Years
    34
  • Last 5 Years / Total
    0.895
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* Total H Index Rankings

Rankings

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178,759
World Rank
Saudi Arabia
886
Country Rank
Imam Mohammad Ibn Saud Islamic University Logo
13
University
Ranking Based On Selection:
16
Hisham El Dessouky
Imam Mohammad Ibn Saud Islamic University Riyadh, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
water desalinatio

H-Index Metrics

  • Total
    38
  • Last 5 Years
    24
  • Last 5 Years / Total
    0.632
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* Total H Index Rankings

Rankings

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184,855
World Rank
Saudi Arabia
935
Country Rank
King Abdulaziz University Logo
103
University
Ranking Based On Selection:
17
Bassem Jamoussi
King Abdulaziz University Jeddah, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Environmental Sciences- Metalo-Phthalocyanine -nano-materiaux - essential oil

H-Index Metrics

  • Total
    37
  • Last 5 Years
    29
  • Last 5 Years / Total
    0.784
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* Total H Index Rankings

Rankings

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203,967
World Rank
Saudi Arabia
1,051
Country Rank
Imam Mohammad Ibn Saud Islamic University Logo
16
University
Ranking Based On Selection:
18
Lotfi Hedi Khezami
Imam Mohammad Ibn Saud Islamic University Riyadh, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Environment : pollution and wastewater treatment | Nanotechnolog

H-Index Metrics

  • Total
    35
  • Last 5 Years
    32
  • Last 5 Years / Total
    0.914
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* Total H Index Rankings

Rankings

flag
206,308
World Rank
Saudi Arabia
1,077
Country Rank
King Abdullah University of Science & Technology Logo
190
University
Ranking Based On Selection:
19
M Obaid
King Abdullah University of Science & Technology Thuwal, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Membrane fabrication | Desalination | Nanofiber | Nanomaterials | Water treatmen

H-Index Metrics

  • Total
    35
  • Last 5 Years
    29
  • Last 5 Years / Total
    0.829
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* Total H Index Rankings

Rankings

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214,729
World Rank
Saudi Arabia
1,112
Country Rank
Imam Abdulrahman Bin Faisal University Logo
37
University
Ranking Based On Selection:
20
Mukarram Zubair
Imam Abdulrahman Bin Faisal University Dammam, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Polymer nanocomposites | water purification | nano materials | Biochar | solid waste managemen

H-Index Metrics

  • Total
    34
  • Last 5 Years
    34
  • Last 5 Years / Total
    1.000
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* Total H Index Rankings

Rankings

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232,872
World Rank
Saudi Arabia
1,225
Country Rank
King Khalid University Logo
52
University
Ranking Based On Selection:
21
Ben Rebah Faouzi
King Khalid University Abha, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Environmental Engineering/wastewater treatment and the production of high-value-added products from waste and natural source

H-Index Metrics

  • Total
    33
  • Last 5 Years
    26
  • Last 5 Years / Total
    0.788
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* Total H Index Rankings

Rankings

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242,086
World Rank
Saudi Arabia
1,263
Country Rank
Imam Abdulrahman Bin Faisal University Logo
40
University
Ranking Based On Selection:
22
Nuhu Dalhat Mu Azu
Imam Abdulrahman Bin Faisal University Dammam, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Water & Environmental Eng | Advanced Wastewater treatment | Wastes managemen

H-Index Metrics

  • Total
    32
  • Last 5 Years
    30
  • Last 5 Years / Total
    0.938
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* Total H Index Rankings

Rankings

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244,061
World Rank
Saudi Arabia
1,282
Country Rank
King Abdulaziz University Logo
133
University
Ranking Based On Selection:
23
Arulazan Pugazhendi
King Abdulaziz University Jeddah, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Environmental Microbiology and Biotechnolog

H-Index Metrics

  • Total
    32
  • Last 5 Years
    28
  • Last 5 Years / Total
    0.875
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* Total H Index Rankings

Rankings

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245,792
World Rank
Saudi Arabia
1,295
Country Rank
Imam Abdulrahman Bin Faisal University Logo
41
University
Ranking Based On Selection:
24
Ömer Ağa
Imam Abdulrahman Bin Faisal University Dammam, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Air Pollution & Control | Circular Economy | Waste Management | Prediction & Modeling

H-Index Metrics

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

Rankings

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278,872
World Rank
Saudi Arabia
1,511
Country Rank
Qassim University Logo
43
University
Ranking Based On Selection:
25
Abdul Razzaq Ghumman
Qassim University Buraidah, Saudi Arabia
Engineering & Technology / Environmental Science & Engineering
Water Resource

H-Index Metrics

  • Total
    30
  • Last 5 Years
    22
  • Last 5 Years / Total
    0.733
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