Subject Rankings

Institute of Space Science Subject Rankings 2025

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 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 Dec 20, 2024, 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 (873.897) 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: 1
Gina Isar
Astroparticle Physics
Advanced Technologies
Outreach
Science Education
Metrics
H-Index
i10 Index
Citation Counts
60
152
18,643
* Total H IndexRankings
Ranking Based On Selection: 2
Valeriu Tudose
astrophysics
radio astronomy
Metrics
H-Index
i10 Index
Citation Counts
25
38
2,057
* Total H IndexRankings
Ranking Based On Selection: 3
Gomathi N
plasma surface modification
electrochemical sensor
metal organic framework
Carbon capture
Membrane separation
Metrics
H-Index
i10 Index
Citation Counts
23
35
1,822
* Total H IndexRankings
Ranking Based On Selection: 4
Rama Rao Nidamanuri
Hyperspestral remote sensing
satellite image classification algorithms
3D laser scanning for urban and forest studies
Metrics
H-Index
i10 Index
Citation Counts
20
34
1,130
* Total H IndexRankings
Ranking Based On Selection: 7
Ashok Kumar
Quantum Optics and Quantum Technology
Quantum Metrology
Quantum Communication
OAM of Light
Metrics
H-Index
i10 Index
Citation Counts
17
18
818
* Total H IndexRankings
Ranking Based On Selection: 8
Resmi Lekshmi
High Energy Astrophysics
Transient Astronomy
Relativistic Astrophysics
Radiation Processes in Astrophysics
Metrics
H-Index
i10 Index
Citation Counts
15
24
4,981

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* Total H IndexRankings
Ranking Based On Selection: 11
Apoorva Nagar
Statistical Physics
Biological Physics
Metrics
H-Index
i10 Index
Citation Counts
13
13
500
* Total H IndexRankings
Ranking Based On Selection: 12
Ovidiu Patu
Integrable models
Mathematical physics
Ultracold gases
Metrics
H-Index
i10 Index
Citation Counts
12
19
454
* Total H IndexRankings
Ranking Based On Selection: 15
Gabriela Buica Zloh
Theoretical Atomic Physics
Metrics
H-Index
i10 Index
Citation Counts
10
10
209
* Total H IndexRankings
Ranking Based On Selection: 18
Murugesh S
Theoretical Physics
Nonlinear Dynamics
Metrics
H-Index
i10 Index
Citation Counts
7
6
187
* Total H IndexRankings
Ranking Based On Selection: 19
Pastrav Bogdan Adrian
Astrophysics
Astronomy
Nuclear Astrophysics
Astroparticle Physics
Metrics
H-Index
i10 Index
Citation Counts
6
5
233
* Total H IndexRankings
Ranking Based On Selection: 20
Gabriel Voitcu
Plasma Physics
Magnetospheric Physics
Metrics
H-Index
i10 Index
Citation Counts
6
3
93
* Total H IndexRankings
Ranking Based On Selection: 21
Dhanesh Ayyappan
Atomization and sprays
Jet instability and mixing
Behaviour of fluids at supercritical conditions
Spray diagnostics
Metrics
H-Index
i10 Index
Citation Counts
3
2
50
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Gina Isar
Metrics
H-Index
i10-Index
Citation Counts
60
152
18,643
Astroparticle Physics
Advanced Technologies
Outreach
Science Education
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Valeriu Tudose
Metrics
H-Index
i10-Index
Citation Counts
25
38
2,057
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Gomathi N
Metrics
H-Index
i10-Index
Citation Counts
23
35
1,822
plasma surface modification
electrochemical sensor
metal organic framework
Carbon capture
Membrane separation
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Rama Rao Nidamanuri
Metrics
H-Index
i10-Index
Citation Counts
20
34
1,130
Hyperspestral remote sensing
satellite image classification algorithms
3D laser scanning for urban and forest studies
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Umesh R Kadhane
Metrics
H-Index
i10-Index
Citation Counts
20
34
1,170
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Octavian Micu
Metrics
H-Index
i10-Index
Citation Counts
18
28
839
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Ashok Kumar
Metrics
H-Index
i10-Index
Citation Counts
17
18
818
Quantum Optics and Quantum Technology
Quantum Metrology
Quantum Communication
OAM of Light
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Resmi Lekshmi
Metrics
H-Index
i10-Index
Citation Counts
15
24
4,981
High Energy Astrophysics
Transient Astronomy
Relativistic Astrophysics
Radiation Processes in Astrophysics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Mccullen Sandora
Metrics
H-Index
i10-Index
Citation Counts
14
21
888
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Narayanamurthy
Metrics
H-Index
i10-Index
Citation Counts
14
23
635

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Apoorva Nagar
Metrics
H-Index
i10-Index
Citation Counts
13
13
500
Statistical Physics
Biological Physics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Ovidiu Patu
Metrics
H-Index
i10-Index
Citation Counts
12
19
454
Integrable models
Mathematical physics
Ultracold gases
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
J Solomon Ivan
Metrics
H-Index
i10-Index
Citation Counts
11
12
582
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
C Sudheesh
Metrics
H-Index
i10-Index
Citation Counts
10
10
297
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Gabriela Buica Zloh
Metrics
H-Index
i10-Index
Citation Counts
10
10
209
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Sourin Mukhopadhyay
Metrics
H-Index
i10-Index
Citation Counts
8
8
775
Condensed Matter Physics
Atto Science
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Costel Munteanu
Metrics
H-Index
i10-Index
Citation Counts
7
4
210
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Murugesh S
Metrics
H-Index
i10-Index
Citation Counts
7
6
187
Theoretical Physics
Nonlinear Dynamics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
Pastrav Bogdan Adrian
Metrics
H-Index
i10-Index
Citation Counts
6
5
233
Astrophysics
Astronomy
Nuclear Astrophysics
Astroparticle Physics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Gabriel Voitcu
Metrics
H-Index
i10-Index
Citation Counts
6
3
93
Plasma Physics
Magnetospheric Physics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Dhanesh Ayyappan
Metrics
H-Index
i10-Index
Citation Counts
3
2
50
Atomization and sprays
Jet instability and mixing
Behaviour of fluids at supercritical conditions
Spray diagnostics
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