AD Scientific Index
Open Nav
Login Login Pricing & Plans Pricing & Plans

Citation Rankings
Highly Cited Researchers

AsiaEngineering & Technology / Environmental Science & Engineering Highly Cited Researchers 24 Scientists Citation in Oman Rankings - 2026

See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.

* Total Citation Counts Rankings

Rankings

flag
140,497
World Rank
47
Country Rank
24
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
Earth and Planetary Sciences | Climate Change | Renewable Energ

Citation Metrics

  • Total
    8,323
  • Last 5 Years
    4,545
  • Last 5 Years / Total
    0.546
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
241,891
World Rank
100
Country Rank
53
University
Ranking Based On Selection:
2
Engineering & Technology / Environmental Science & Engineering
Water Quality | Desalination | Soil Salinit

Citation Metrics

  • Total
    4,848
  • Last 5 Years
    2,277
  • Last 5 Years / Total
    0.470
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
273,485
World Rank
112
Country Rank
59
University
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Microbial electrochemistry | BIo-Hydrogen | Membrane Separation | Aanaerobic digestion | Air pollutio

Citation Metrics

  • Total
    4,242
  • Last 5 Years
    3,484
  • Last 5 Years / Total
    0.821
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
285,840
World Rank
122
Country Rank
65
University
Ranking Based On Selection:
4

Citation Metrics

  • Total
    4,033
  • Last 5 Years
    1,663
  • Last 5 Years / Total
    0.412
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
341,192
World Rank
156
Country Rank
87
University
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
Waste valorization | Biorefinery | Biofuel | Bioplasti

Citation Metrics

  • Total
    3,273
  • Last 5 Years
    2,745
  • Last 5 Years / Total
    0.839
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
383,482
World Rank
187
Country Rank
7
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Sustainable Environment | Wastewater | Solid Waste Management | Pollution Control | Waste to Energ

Citation Metrics

  • Total
    2,833
  • Last 5 Years
    2,751
  • Last 5 Years / Total
    0.971
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
409,369
World Rank
214
Country Rank
117
University
Ranking Based On Selection:
7
Engineering & Technology / Environmental Science & Engineering
Environmental chemistry | Analytical chemistry | Water treatment | Adsorption | Waste treatmen

Citation Metrics

  • Total
    2,601
  • Last 5 Years
    1,319
  • Last 5 Years / Total
    0.507
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
582,362
World Rank
344
Country Rank
3
University
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Waste Management | Landfilling | Biogas | Expert Syste

Citation Metrics

  • Total
    1,553
  • Last 5 Years
    1,135
  • Last 5 Years / Total
    0.731
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
591,157
World Rank
354
Country Rank
209
University
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Hydrogeology | Groundwater modeling | Decision support system

Citation Metrics

  • Total
    1,515
  • Last 5 Years
    1,198
  • Last 5 Years / Total
    0.791
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
642,317
World Rank
394
Country Rank
229
University
Ranking Based On Selection:
10
Engineering & Technology / Environmental Science & Engineering
Environmental Impact Assessment | Pollution remediation and waste management | Climate change adaptation

Citation Metrics

  • Total
    1,314
  • Last 5 Years
    942
  • Last 5 Years / Total
    0.717
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
681,694
World Rank
428
Country Rank
7
University
Ranking Based On Selection:
11
Engineering & Technology / Environmental Science & Engineering
Nano Membrane Technology | Biosorption Environmental Engineering | Renewable Energ

Citation Metrics

  • Total
    1,180
  • Last 5 Years
    686
  • Last 5 Years / Total
    0.581
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
845,829
World Rank
570
Country Rank
40
University
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Environmental and Water Resources Engineering (Groundwater Modeling

Citation Metrics

  • Total
    755
  • Last 5 Years
    538
  • Last 5 Years / Total
    0.713
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
868,040
World Rank
588
Country Rank
326
University
Ranking Based On Selection:
13

Citation Metrics

  • Total
    712
  • Last 5 Years
    439
  • Last 5 Years / Total
    0.617
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
914,863
World Rank
630
Country Rank
337
University
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Water Treatment | Soil Science and Environmental issue

Citation Metrics

  • Total
    631
  • Last 5 Years
    271
  • Last 5 Years / Total
    0.429
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
964,619
World Rank
671
Country Rank
36
University
Ranking Based On Selection:
15

Citation Metrics

  • Total
    560
  • Last 5 Years
    310
  • Last 5 Years / Total
    0.554
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
999,319
World Rank
692
Country Rank
24
University
Ranking Based On Selection:
16
* Total Citation Counts Rankings

Rankings

flag
1,121,486
World Rank
780
Country Rank
372
University
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
Data Analytics | Machine Learning | Water resources management | Environmental Scienc

Citation Metrics

  • Total
    391
  • Last 5 Years
    375
  • Last 5 Years / Total
    0.959
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
1,128,188
World Rank
794
Country Rank
374
University
Ranking Based On Selection:
18
Engineering & Technology / Environmental Science & Engineering
soils and water resources management | sustainable environmental management | HYDRUS modellin

Citation Metrics

  • Total
    385
  • Last 5 Years
    378
  • Last 5 Years / Total
    0.982
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
1,135,948
World Rank
798
Country Rank
70
University
Ranking Based On Selection:
19

Citation Metrics

  • Total
    379
  • Last 5 Years
    240
  • Last 5 Years / Total
    0.633
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
1,506,722
World Rank
1,149
Country Rank
57
University
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
Wastewater treatment | Environmental Engineering | Heat Transfer | Renewable Energ

Citation Metrics

  • Total
    181
  • Last 5 Years
    146
  • Last 5 Years / Total
    0.807
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
1,522,617
World Rank
1,168
Country Rank
16
University
Ranking Based On Selection:
21

Citation Metrics

  • Total
    176
  • Last 5 Years
    96
  • Last 5 Years / Total
    0.545
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
1,876,812
World Rank
1,560
Country Rank
88
University
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Chemical Engineering | Environmental Engineerin

Citation Metrics

  • Total
    88
  • Last 5 Years
    57
  • Last 5 Years / Total
    0.648
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
2,401,809
World Rank
2,256
Country Rank
32
University
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
Environmental Management | Occupational Safety and Health | Bioremediatio

Citation Metrics

  • Total
    16
  • Last 5 Years
    16
  • Last 5 Years / Total
    1.000
Get Full Access to Premium Data Get Full Access to Premium Data
* Total Citation Counts Rankings

Rankings

flag
2,490,935
World Rank
2,408
Country Rank
21
University
Ranking Based On Selection:
24

Citation Metrics

  • Total
    9
  • Last 5 Years
    9
  • Last 5 Years / Total
    1.000
Get Full Access to Premium Data Get Full Access to Premium Data
Smart Institutional Excellence Plan
Unify strategy, analytics, and growth in one powerful platform. Turn academic data into actionable strategy for sustainable excellence.
360° Real-Time Academic Performance Analysis
Track your performance in real time — benchmark, compare, and improve. Stay ahead with instant insights and global peer comparisons.
Strategic Researcher Transfer Tools
Attract world-class talent across 211 disciplines. Find, connect, and recruit the brightest minds worldwide.
Academic Contribution Analytics Module
Unlock researcher and institutional impact with transparent contribution scores. Recognize, measure, and reward academic excellence at every level.
QA & Accreditation
Ensuring quality standards and accreditation compliance in higher education.
Internationalization in Higher Education
Advancing global partnerships, mobility, and international visibility.
Unlock Your Academic Potential Today

🌍 Be Our Partner: Representation & Collaboration

Represent AD Scientific Index in your country or region — and grow with us.

  • ✅ Official recognition as a regional partner
  • ✅ Visibility partnership with full brand support
  • ✅ Help institutions in your region enhance their academic visibility
  • ✅ Contribute to value-driven projects with measurable academic impact
Discover Universities That Trust Us

Discover Universities That Trust Us

Curious about institutions benefiting from the AD Scientific Index?