University, Subject, Country, Region, World

GNS Science 143 Scientists Subject Rankings - 2025

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 yearsAs of Jun 05, 2025, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.121.279) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

* Total H IndexRankings
Ranking Based On Selection: 101
Salman Ashraf
image fusion
atmospheric correction
photogrammetry
hyperspectral & thermal image processin
Metrics
H-Index
i10 Index
Citation Counts
11
12
528
* Total H IndexRankings
Ranking Based On Selection: 102
Natalie Balfour
data management
seismology
stress
education and outreach
monitorin
Metrics
H-Index
i10 Index
Citation Counts
11
11
771
* Total H IndexRankings
Ranking Based On Selection: 105
Debra Chappell
Geochemistry
MIneralogy
Petrology
Geothermal
Environmenta
Metrics
H-Index
i10 Index
Citation Counts
11
12
759
* Total H IndexRankings
Ranking Based On Selection: 106
Karen Houghton
Microbial ecology
extremophile
Metrics
H-Index
i10 Index
Citation Counts
10
10
520
* Total H IndexRankings
Ranking Based On Selection: 107
Sara Harrison
GIS
crisis crowdsourcing
volunteered geographic information
emergency management
disaster managemen
Metrics
H-Index
i10 Index
Citation Counts
10
10
443
* Total H IndexRankings
Ranking Based On Selection: 109
Prasanth Gupta
Energy Materials
Hydrogen
Ion implantation
Magnetic materials
Coatings and thin film
Metrics
H-Index
i10 Index
Citation Counts
10
11
315
* Total H IndexRankings
Ranking Based On Selection: 110
Matt Sagar
geology
thermochronology
geochronology
petrology
tectonic
Metrics
H-Index
i10 Index
Citation Counts
10
11
276

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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 IndexRankings
Ranking Based On Selection: 111
Genevieve Coffey
Earthquake geology
fault mechanic
Metrics
H-Index
i10 Index
Citation Counts
9
9
324
* Total H IndexRankings
Ranking Based On Selection: 112
Ery Hughes
volcanoes
volatiles
experimental petrology
microanalysis
geochemistr
Metrics
H-Index
i10 Index
Citation Counts
9
8
303
* Total H IndexRankings
Ranking Based On Selection: 113
Kenny M Graham
Geophysics
Statistics
Seismology
Crustal Anisotropy
Airborne Geophysic
Metrics
H-Index
i10 Index
Citation Counts
9
8
256
* Total H IndexRankings
Ranking Based On Selection: 114
Paul A Jarvis
Physical volcanology
Fluid dynamics
Geophysical flow
Metrics
H-Index
i10 Index
Citation Counts
9
6
181
* Total H IndexRankings
Ranking Based On Selection: 116
Vivian Fang
nanomateria
Metrics
H-Index
i10 Index
Citation Counts
9
9
717
* Total H IndexRankings
Ranking Based On Selection: 117
Sophie Pearson-Grant
Geothermal systems
volcano-hydrothermal systems
numerical modelling
geophysic
Metrics
H-Index
i10 Index
Citation Counts
9
9
203
* Total H IndexRankings
Ranking Based On Selection: 118
Michael Ng
Materials Science
Nanocrystals
Perovskites
Optoelectronics
Energy Technologie
Metrics
H-Index
i10 Index
Citation Counts
8
8
611
* Total H IndexRankings
Ranking Based On Selection: 119
Mary Anne Thompson Clive
risk communication
risk assessment
volcanic hazard analysis
transdisciplinary approache
Metrics
H-Index
i10 Index
Citation Counts
8
8
539
* Total H IndexRankings
Ranking Based On Selection: 120
Lydia DiCaprio
Geodynamics
Tectonics
geophysic
Metrics
H-Index
i10 Index
Citation Counts
8
7
704
* Total H IndexRankings
Ranking Based On Selection: 121
Peter Johnson
Multiphase flow and transport
groundwater in natural hazard
Metrics
H-Index
i10 Index
Citation Counts
8
6
171
* Total H IndexRankings
Ranking Based On Selection: 124
Pedro M Rendel
Senior Geochemis
Metrics
H-Index
i10 Index
Citation Counts
7
6
134
* Total H Index Rankings
Rankings
Ranking Based On Selection: 101
Salman Ashraf
          Metrics
H-Index
i10-Index
Citation Counts
11
12
528
image fusion
atmospheric correction
photogrammetry
hyperspectral & thermal image processin
* Total H Index Rankings
Rankings
Ranking Based On Selection: 102
Natalie Balfour
          Metrics
H-Index
i10-Index
Citation Counts
11
11
771
data management
seismology
stress
education and outreach
monitorin
* Total H Index Rankings
Rankings
Ranking Based On Selection: 103
Alison Kirkby
          Metrics
H-Index
i10-Index
Citation Counts
11
11
487
* Total H Index Rankings
Rankings
Ranking Based On Selection: 104
Maureen Coomer
          Metrics
H-Index
i10-Index
Citation Counts
11
13
475
* Total H Index Rankings
Rankings
Ranking Based On Selection: 105
Debra Chappell
          Metrics
H-Index
i10-Index
Citation Counts
11
12
759
Geochemistry
MIneralogy
Petrology
Geothermal
Environmenta
* Total H Index Rankings
Rankings
Ranking Based On Selection: 106
Karen Houghton
          Metrics
H-Index
i10-Index
Citation Counts
10
10
520
* Total H Index Rankings
Rankings
Ranking Based On Selection: 107
Sara Harrison
          Metrics
H-Index
i10-Index
Citation Counts
10
10
443
GIS
crisis crowdsourcing
volunteered geographic information
emergency management
disaster managemen
* Total H Index Rankings
Rankings
Ranking Based On Selection: 108
Rob Van Der Raaij
          Metrics
H-Index
i10-Index
Citation Counts
10
11
398
* Total H Index Rankings
Rankings
Ranking Based On Selection: 109
Prasanth Gupta
          Metrics
H-Index
i10-Index
Citation Counts
10
11
315
Energy Materials
Hydrogen
Ion implantation
Magnetic materials
Coatings and thin film
* Total H Index Rankings
Rankings
Ranking Based On Selection: 110
Matt Sagar
          Metrics
H-Index
i10-Index
Citation Counts
10
11
276
geology
thermochronology
geochronology
petrology
tectonic

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: 111
Genevieve Coffey
          Metrics
H-Index
i10-Index
Citation Counts
9
9
324
* Total H Index Rankings
Rankings
Ranking Based On Selection: 112
Ery Hughes
          Metrics
H-Index
i10-Index
Citation Counts
9
8
303
volcanoes
volatiles
experimental petrology
microanalysis
geochemistr
* Total H Index Rankings
Rankings
Ranking Based On Selection: 113
Kenny M Graham
          Metrics
H-Index
i10-Index
Citation Counts
9
8
256
Geophysics
Statistics
Seismology
Crustal Anisotropy
Airborne Geophysic
* Total H Index Rankings
Rankings
Ranking Based On Selection: 114
Paul A Jarvis
          Metrics
H-Index
i10-Index
Citation Counts
9
6
181
Physical volcanology
Fluid dynamics
Geophysical flow
* Total H Index Rankings
Rankings
Ranking Based On Selection: 115
Matthew Hill
          Metrics
H-Index
i10-Index
Citation Counts
9
8
354
* Total H Index Rankings
Rankings
Ranking Based On Selection: 116
Vivian Fang
          Metrics
H-Index
i10-Index
Citation Counts
9
9
717
* Total H Index Rankings
Rankings
Ranking Based On Selection: 117
Sophie Pearson-Grant
          Metrics
H-Index
i10-Index
Citation Counts
9
9
203
Geothermal systems
volcano-hydrothermal systems
numerical modelling
geophysic
* Total H Index Rankings
Rankings
Ranking Based On Selection: 118
Michael Ng
          Metrics
H-Index
i10-Index
Citation Counts
8
8
611
Materials Science
Nanocrystals
Perovskites
Optoelectronics
Energy Technologie
* Total H Index Rankings
Rankings
Ranking Based On Selection: 119
Mary Anne Thompson Clive
          Metrics
H-Index
i10-Index
Citation Counts
8
8
539
risk communication
risk assessment
volcanic hazard analysis
transdisciplinary approache
* Total H Index Rankings
Rankings
Ranking Based On Selection: 120
Lydia DiCaprio
          Metrics
H-Index
i10-Index
Citation Counts
8
7
704
* Total H Index Rankings
Rankings
Ranking Based On Selection: 121
Peter Johnson
          Metrics
H-Index
i10-Index
Citation Counts
8
6
171
Multiphase flow and transport
groundwater in natural hazard
* Total H Index Rankings
Rankings
Ranking Based On Selection: 122
Catherine Pinal
          Metrics
H-Index
i10-Index
Citation Counts
8
7
1,274
* Total H Index Rankings
Rankings
Ranking Based On Selection: 123
Jenny Dahl
          Metrics
H-Index
i10-Index
Citation Counts
7
7
386
* Total H Index Rankings
Rankings
Ranking Based On Selection: 124
Pedro M Rendel
          Metrics
H-Index
i10-Index
Citation Counts
7
6
134
* Total H Index Rankings
Rankings
Ranking Based On Selection: 125
Cameron Asher
          Metrics
H-Index
i10-Index
Citation Counts
7
6
416