H-Index
Rankings

World 28,609 Scientists H-Index Engineering & Technology / Earth Sciences Rankings - 2025

Measure your academic influence with the AD Scientific Index 2025 H-Index Rankings.
These rankings provide a comprehensive evaluation of scientific performance by combining total and recent 6-year h-index values, offering insight into both research productivity and long-term impactThe h-index balances quantity with quality, highlighting sustained academic excellenceRankings are continuously updated in near real-time to reflect the latest scholarly activity across countries, institutions, and 211 academic fieldsPremium Membership unlocks deeper analytics, dynamic ranking tools, and personalized trend visualizations.

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Total 28.609 scientist, 152 country, 3.816 institution , Updates every 2 days
* Total H Index Rankings
Ranking Based On Selection: 2
William L Griffin
geochemistry
petrology
isotopic geochemistry
mantle evolutio
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
150
79
0.527
* Total H Index Rankings
Ranking Based On Selection: 3
Eske Willerslev
evolution
genomics
population genetics
ancient DNA
environmental DN
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
149
104
0.698
* Total H Index Rankings
Ranking Based On Selection: 4
Xavier Querol
aerosols
air quality
geosciences
environmental geochemistr
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
148
89
0.601
* Total H Index Rankings
Ranking Based On Selection: 5
Steve Mcgrath
Biogeochemistry of phosphorus
sulphur and trace elements in soil-plant system
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
145
76
0.524
* Total H Index Rankings
Ranking Based On Selection: 6
Ranga Myneni
Remote Sensing
Climate
Biogeosciences
Geosciences
Ecolog
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
142
95
0.669
* Total H Index Rankings
Ranking Based On Selection: 7
M Santosh
Earth and Environmental Sciences [Univ. of Adelaide
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
142
94
0.662
* Total H Index Rankings
Ranking Based On Selection: 8
Min Liu
Environmental Geograph
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
141
124
0.879
* Total H Index Rankings
Ranking Based On Selection: 9
Stephen Sparks
geology
volcanolog
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
141
61
0.433
* Total H Index Rankings
Ranking Based On Selection: 10
Kenneth H Nealson
environmental microbiology
bioluminescence
geobiolog
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
140
72
0.514

Is Your University Ready for the Future?

Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis

* Total H Index Rankings
Ranking Based On Selection: 11
Qiang Zhang
atmospheric chemistry
emissions
satellite remote sensing
air qualit
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
138
112
0.812
* Total H Index Rankings
Ranking Based On Selection: 12
CJ Hawkesworth
Geology
Geochemistr
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
138
60
0.435
* Total H Index Rankings
Ranking Based On Selection: 13
Gillian Knapp
planet imaging
stellar astrophysics
interstellar mediu
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
137
64
0.467
* Total H Index Rankings
Ranking Based On Selection: 14
Markus Reichstein
Earth System science
biogeochemical cycles
extreme events
eco-hydrology
machine learnin
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
136
100
0.735
* Total H Index Rankings
Ranking Based On Selection: 15
Suzanne Yvette O Reilly
Petrology
Geochemistry
Tectonics
Geodynamics
Geophysic
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
128
67
0.523
* Total H Index Rankings
Ranking Based On Selection: 16
Robert Dickinson
land surface processes
climat
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
127
57
0.449
* Total H Index Rankings
Ranking Based On Selection: 17
Alfred Kröner
Crustal evolution
geochronology
Precambrian tectonics
palaeomagnetis
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
126
62
0.492
* Total H Index Rankings
Ranking Based On Selection: 18
Jack J Middelburg
Biogeochemistry
Organic Geochemistry
Oceanography
Stable Isotopes
Geochemistr
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
124
67
0.540
* Total H Index Rankings
Ranking Based On Selection: 19
T Mark Harrison
Geochemistry
Geology
Early Earth
SIM
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
124
65
0.524
* Total H Index Rankings
Ranking Based On Selection: 20
Yang Shen
seismology
marine geophysic
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
123
93
0.756
* Total H Index Rankings
Ranking Based On Selection: 22
Donald E Canfield
oxygen
evolution
oceanography
geobiology
biogeochemistr
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
122
78
0.639
* Total H Index Rankings
Ranking Based On Selection: 23
Gordon E Brown Jr
Surface/Interface Chemistry
Envronmental Chemistry/Geochemistry
Nanomaterial
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
122
53
0.434
* Total H Index Rankings
Ranking Based On Selection: 24
Susan Solomon
ozone depletion
stratosphere
climate and climate chang
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
121
60
0.496
* Total H Index Rankings
Ranking Based On Selection: 25
Sean C Solomon
Earth and planetary scienc
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
121
55
0.455
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Steven Running
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
152
83
0.546
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
William L Griffin
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
150
79
0.527
geochemistry
petrology
isotopic geochemistry
mantle evolutio
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Eske Willerslev
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
149
104
0.698
evolution
genomics
population genetics
ancient DNA
environmental DN
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Xavier Querol
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
148
89
0.601
aerosols
air quality
geosciences
environmental geochemistr
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Steve Mcgrath
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
145
76
0.524
Biogeochemistry of phosphorus
sulphur and trace elements in soil-plant system
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Ranga Myneni
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
142
95
0.669
Remote Sensing
Climate
Biogeosciences
Geosciences
Ecolog
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
M Santosh
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
142
94
0.662
Earth and Environmental Sciences [Univ. of Adelaide
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Min Liu
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
141
124
0.879
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Stephen Sparks
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
141
61
0.433
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Kenneth H Nealson
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
140
72
0.514
environmental microbiology
bioluminescence
geobiolog

Is Your University Ready for the Future?

Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis

* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Qiang Zhang
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
138
112
0.812
atmospheric chemistry
emissions
satellite remote sensing
air qualit
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
CJ Hawkesworth
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
138
60
0.435
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Gillian Knapp
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
137
64
0.467
planet imaging
stellar astrophysics
interstellar mediu
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Markus Reichstein
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
136
100
0.735
Earth System science
biogeochemical cycles
extreme events
eco-hydrology
machine learnin
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Suzanne Yvette O Reilly
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
128
67
0.523
Petrology
Geochemistry
Tectonics
Geodynamics
Geophysic
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Robert Dickinson
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
127
57
0.449
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Alfred Kröner
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
126
62
0.492
Crustal evolution
geochronology
Precambrian tectonics
palaeomagnetis
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Jack J Middelburg
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
124
67
0.540
Biogeochemistry
Organic Geochemistry
Oceanography
Stable Isotopes
Geochemistr
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
T Mark Harrison
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
124
65
0.524
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Yang Shen
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
123
93
0.756
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Fabrice Matichard
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
122
92
0.754
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Donald E Canfield
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
122
78
0.639
oxygen
evolution
oceanography
geobiology
biogeochemistr
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Gordon E Brown Jr
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
122
53
0.434
Surface/Interface Chemistry
Envronmental Chemistry/Geochemistry
Nanomaterial
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Susan Solomon
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
121
60
0.496
ozone depletion
stratosphere
climate and climate chang
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Sean C Solomon
       H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
121
55
0.455