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.
* Total H Index Rankings
Rankings
Ranking Based On Selection:
1
Engineering & Technology / Environmental Science & Engineering
climate change | land-climate dynamics | climate extreme
climate change | land-climate dynamics | climate extreme
H-Index Metrics
-
Total150
-
Last 5 Years127
-
Last 5 Years / Total0.847
* Total H Index Rankings
Rankings
Ranking Based On Selection:
2
H-Index Metrics
-
Total122
-
Last 5 Years71
-
Last 5 Years / Total0.582
* Total H Index Rankings
Rankings
Ranking Based On Selection:
3
Engineering & Technology / Environmental Science & Engineering
Air pollution & health | environmental epidemiology | public health | epidemiology | air pollutio
Air pollution & health | environmental epidemiology | public health | epidemiology | air pollutio
H-Index Metrics
-
Total118
-
Last 5 Years68
-
Last 5 Years / Total0.576
* Total H Index Rankings
Rankings
Ranking Based On Selection:
4
Engineering & Technology / Environmental Science & Engineering
Macroecology | Niche Evolution | Climate Change Impac
Macroecology | Niche Evolution | Climate Change Impac
H-Index Metrics
-
Total115
-
Last 5 Years88
-
Last 5 Years / Total0.765
* Total H Index Rankings
Rankings
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
climate change | carbon cycle | nitrogen cycle | ocean acidification | oceanograph
climate change | carbon cycle | nitrogen cycle | ocean acidification | oceanograph
H-Index Metrics
-
Total113
-
Last 5 Years81
-
Last 5 Years / Total0.717
* Total H Index Rankings
Rankings
Ranking Based On Selection:
6
Engineering & Technology / Environmental Science & Engineering
Hydrology | ecohydrology | river networks as ecological corridors | spatially explicit epidemiology of waterborne diseas
Hydrology | ecohydrology | river networks as ecological corridors | spatially explicit epidemiology of waterborne diseas
H-Index Metrics
-
Total111
-
Last 5 Years64
-
Last 5 Years / Total0.577
* Total H Index Rankings
Rankings
Ranking Based On Selection:
7
H-Index Metrics
-
Total110
-
Last 5 Years87
-
Last 5 Years / Total0.791
* Total H Index Rankings
Rankings
Ranking Based On Selection:
8
Engineering & Technology / Environmental Science & Engineering
Climate change | climate dynamics | numerical modelin
Climate change | climate dynamics | numerical modelin
H-Index Metrics
-
Total107
-
Last 5 Years68
-
Last 5 Years / Total0.636
* Total H Index Rankings
Rankings
Ranking Based On Selection:
9
Engineering & Technology / Environmental Science & Engineering
climate change impacts | natural risks | cryosphere | dendrochronology | tree ring
climate change impacts | natural risks | cryosphere | dendrochronology | tree ring
H-Index Metrics
-
Total97
-
Last 5 Years66
-
Last 5 Years / Total0.680
* Total H Index Rankings
Rankings
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
Ranking Based On Selection:
13
Engineering & Technology / Environmental Science & Engineering
Climatic change | climate impacts | extreme event
Climatic change | climate impacts | extreme event
H-Index Metrics
-
Total76
-
Last 5 Years48
-
Last 5 Years / Total0.632
* Total H Index Rankings
Rankings
Ranking Based On Selection:
14
Engineering & Technology / Environmental Science & Engineering
Environmental microbiology | bacterial evolution | synthetic biology | biosensor
Environmental microbiology | bacterial evolution | synthetic biology | biosensor
H-Index Metrics
-
Total74
-
Last 5 Years39
-
Last 5 Years / Total0.527
* Total H Index Rankings
Rankings
Ranking Based On Selection:
15
Engineering & Technology / Environmental Science & Engineering
Environmental chemistry | Environmental organic chemistry | Photochemistry | Chemical Reaction Mechanism
Environmental chemistry | Environmental organic chemistry | Photochemistry | Chemical Reaction Mechanism
H-Index Metrics
-
Total73
-
Last 5 Years55
-
Last 5 Years / Total0.753
* Total H Index Rankings
Rankings
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
Environmental Sciences | Water Resources | Groundwater | Hydrogeology | Environmental Geochemistr
Environmental Sciences | Water Resources | Groundwater | Hydrogeology | Environmental Geochemistr
H-Index Metrics
-
Total70
-
Last 5 Years51
-
Last 5 Years / Total0.729
* Total H Index Rankings
Rankings
Ranking Based On Selection:
17
Engineering & Technology / Environmental Science & Engineering
Water Resources | Environmental engineering | Sustainable Water Management | Groundwater Modeling | Nuclear Waste Disposa
Water Resources | Environmental engineering | Sustainable Water Management | Groundwater Modeling | Nuclear Waste Disposa
H-Index Metrics
-
Total70
-
Last 5 Years32
-
Last 5 Years / Total0.457
* Total H Index Rankings
Rankings
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
Ranking Based On Selection:
19
Engineering & Technology / Environmental Science & Engineering
environmental science | public policy | climate chang
environmental science | public policy | climate chang
H-Index Metrics
-
Total67
-
Last 5 Years50
-
Last 5 Years / Total0.746
* Total H Index Rankings
Rankings
Ranking Based On Selection:
20
Engineering & Technology / Environmental Science & Engineering
Climate Change | Ocean Biogeochemistry | Carbon Cycl
Climate Change | Ocean Biogeochemistry | Carbon Cycl
H-Index Metrics
-
Total66
-
Last 5 Years61
-
Last 5 Years / Total0.924
* Total H Index Rankings
Rankings
Ranking Based On Selection:
21
Engineering & Technology / Environmental Science & Engineering
environmental microbiology | microbial ecolog
environmental microbiology | microbial ecolog
H-Index Metrics
-
Total65
-
Last 5 Years35
-
Last 5 Years / Total0.538
* Total H Index Rankings
Rankings
Ranking Based On Selection:
22
Engineering & Technology / Environmental Science & Engineering
Bacteriology | Pathogen ecology and epidemiology | Population genomics | microbe-host interactions | antibiotic resistanc
Bacteriology | Pathogen ecology and epidemiology | Population genomics | microbe-host interactions | antibiotic resistanc
H-Index Metrics
-
Total63
-
Last 5 Years38
-
Last 5 Years / Total0.603
* Total H Index Rankings
Rankings
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
Ranking Based On Selection:
24
Engineering & Technology / Environmental Science & Engineering
palaeoecology | palaeoclimate | environmental reconstructio
palaeoecology | palaeoclimate | environmental reconstructio
H-Index Metrics
-
Total62
-
Last 5 Years36
-
Last 5 Years / Total0.581
* Total H Index Rankings
Rankings
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
climate change | health | epidemiolog
climate change | health | epidemiolog
H-Index Metrics
-
Total60
-
Last 5 Years57
-
Last 5 Years / Total0.950
Unify strategy, analytics, and growth in one powerful platform. Turn academic data into actionable strategy for sustainable excellence.
Track your performance in real time — benchmark, compare, and improve. Stay ahead with instant insights and global peer comparisons.
Attract world-class talent across 211 disciplines. Find, connect, and recruit the brightest minds worldwide.
Unlock researcher and institutional impact with transparent contribution scores. Recognize, measure, and reward academic excellence at every level.
🌍 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