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

Top 100 Scientists

World Top 100 Scientists 2026

The Top 100 scientists are ranked based on total H-index scores at the global, regional, national, and institutional levels. Rankings cover 10 regions, 13 main fields, and 221 subfields. Subject-field rankings (world, region, country, and university levels) are currently in Beta and updated in near real-time.

Note: Researchers classified as “others” (1,123,399 profiles whose fields are undetermined or not yet edited) are excluded from subject and regional rankings. These rankings will dynamically evolve as the “others” profiles are reviewed and properly categorized.

Recognizing excellence across 10 regions, 13 fields, and 221 subfields — Explore the Top 100 today.

* Total H Index Rankings

Rankings

flag
13,598
World Rank
598
Country Rank
10
University
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
water resources management | hydrology | climate change | environmental science

H-Index Metrics

  • H-Index
    92
  • i10 Index
    224
  • Citation Counts
    30,599
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
19,453
World Rank
902
Country Rank
19
University
Ranking Based On Selection:
2
* Total H Index Rankings

Rankings

flag
26,509
World Rank
1,302
Country Rank
32
University
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Climate science | atmospheric science | climate chang

H-Index Metrics

  • H-Index
    76
  • i10 Index
    192
  • Citation Counts
    30,938
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
53,051
World Rank
2,664
Country Rank
72
University
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Climate change projections | climate change impact

H-Index Metrics

  • H-Index
    61
  • i10 Index
    144
  • Citation Counts
    42,281
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
60,739
World Rank
3,060
Country Rank
88
University
Ranking Based On Selection:
5
* Total H Index Rankings

Rankings

flag
68,996
World Rank
3,456
Country Rank
96
University
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Environmetrics | Extreme modelling | Statistical forecasting | Uncertainty analysis | Spatio-temporal modelling

H-Index Metrics

  • H-Index
    55
  • i10 Index
    147
  • Citation Counts
    10,107
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
84,315
World Rank
4,221
Country Rank
123
University
Ranking Based On Selection:
7
Engineering & Technology / Environmental Science & Engineering
Life cycle assessment | environmental management | food systems | value chains | sustainable diet

H-Index Metrics

  • H-Index
    51
  • i10 Index
    125
  • Citation Counts
    9,933
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
95,666
World Rank
4,767
Country Rank
154
University
Ranking Based On Selection:
8
* Total H Index Rankings

Rankings

flag
98,584
World Rank
4,920
Country Rank
157
University
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
Climate Change Impacts | Hydrology and Water Resources | GI

H-Index Metrics

  • H-Index
    48
  • i10 Index
    111
  • Citation Counts
    8,360
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
116,695
World Rank
5,770
Country Rank
190
University
Ranking Based On Selection:
10
* Total H Index Rankings

Rankings

flag
129,865
World Rank
6,446
Country Rank
226
University
Ranking Based On Selection:
11
* Total H Index Rankings

Rankings

flag
133,542
World Rank
6,603
Country Rank
237
University
Ranking Based On Selection:
12
Engineering & Technology / Environmental Science & Engineering
Land use | Water resources | Climate change | SDGs | A

H-Index Metrics

  • H-Index
    42
  • i10 Index
    95
  • Citation Counts
    6,209
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
134,605
World Rank
6,664
Country Rank
239
University
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
collaborative planning | environmental management | water governance | Indigenous land management | carbon co-benefit

H-Index Metrics

  • H-Index
    42
  • i10 Index
    100
  • Citation Counts
    7,146
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
146,900
World Rank
7,221
Country Rank
262
University
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
surface water hydrology and modelling | groundwater modelling | climate change modellin

H-Index Metrics

  • H-Index
    41
  • i10 Index
    76
  • Citation Counts
    9,119
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
162,807
World Rank
7,951
Country Rank
291
University
Ranking Based On Selection:
15
* Total H Index Rankings

Rankings

flag
166,448
World Rank
8,090
Country Rank
299
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
Metabolomics | Environmental Multi-omics | Pesticide Analysis | Systems Biology | Environmental Scienc

H-Index Metrics

  • H-Index
    38
  • i10 Index
    90
  • Citation Counts
    5,836
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
175,539
World Rank
8,476
Country Rank
317
University
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
Irrigation | water | food security | climate change | agricultur

H-Index Metrics

  • H-Index
    37
  • i10 Index
    96
  • Citation Counts
    4,820
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
193,153
World Rank
9,289
Country Rank
366
University
Ranking Based On Selection:
18
* Total H Index Rankings

Rankings

flag
198,640
World Rank
9,537
Country Rank
373
University
Ranking Based On Selection:
19
Engineering & Technology / Environmental Science & Engineering
Environmental technologies | microbial-electrochemical systems | bioremediation | waste(water) treatment | circular econom

H-Index Metrics

  • H-Index
    35
  • i10 Index
    60
  • Citation Counts
    3,648
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
212,115
World Rank
10,103
Country Rank
406
University
Ranking Based On Selection:
20
* Total H Index Rankings

Rankings

flag
241,068
World Rank
11,332
Country Rank
459
University
Ranking Based On Selection:
21
* Total H Index Rankings

Rankings

flag
249,072
World Rank
11,652
Country Rank
479
University
Ranking Based On Selection:
22
* Total H Index Rankings

Rankings

flag
266,381
World Rank
12,352
Country Rank
516
University
Ranking Based On Selection:
23
Engineering & Technology / Environmental Science & Engineering
Environmental and Natural Resource Governance | Institutions | Participation | Regions | Polic

H-Index Metrics

  • H-Index
    30
  • i10 Index
    55
  • Citation Counts
    3,745
Get Full Access to Premium Data Get Full Access to Premium Data
* Total H Index Rankings

Rankings

flag
267,392
World Rank
12,396
Country Rank
518
University
Ranking Based On Selection:
24
* Total H Index Rankings

Rankings

flag
284,976
World Rank
13,096
Country Rank
547
University
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Environment & Sustainability | Low Emissions Technologies | Dust & Diesel Particulates | Catalysis | Functional Nanomaterial

H-Index Metrics

  • H-Index
    29
  • i10 Index
    47
  • Citation Counts
    6,758
Get Full Access to Premium Data Get Full Access to Premium Data
Smart Institutional Excellence Plan
360° Real-Time Academic Performance Analysis
Strategic Researcher Transfer Tools
Academic Contribution Analytics Module
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?