Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
130
102
0.785
* Total i10 IndexRankings
Ranking Based On Selection :2
X-ray Astronomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
129
55
0.426
* Total i10 IndexRankings
Ranking Based On Selection :3
Sustainable Buildings
EPBD
RES
NZEB
Solar Cooling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
66
0.680
* Total i10 IndexRankings
Ranking Based On Selection :4
Earth Observation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
58
0.784
* Total i10 IndexRankings
Ranking Based On Selection :5
Massive stars
Extragalactic distance scale
The Variable sky
Hypervelocity stars
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
49
0.710
* Total i10 IndexRankings
Ranking Based On Selection :6
Ionosphere
Space Weather
e-Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
31
0.544
* Total i10 IndexRankings
Ranking Based On Selection :7
Earth Observation
Satellite Remote Sensing
Urban Heat Island
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
37
0.771
* Total i10 IndexRankings
Ranking Based On Selection :8
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
24
0.500
* Total i10 IndexRankings
Ranking Based On Selection :9
weather radar
atmospheric turbulence
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
27
0.659
* Total i10 IndexRankings
Ranking Based On Selection :10
massive stars
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
34
0.944
* Total i10 IndexRankings
Ranking Based On Selection :11
massive stars
spectroscopic and photometric survey
period-luminosity relation of variables
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
29
0.906
* Total i10 IndexRankings
Ranking Based On Selection :12
Satellite Geodesy and modelling for earthquakes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
25
0.806
* Total i10 IndexRankings
Ranking Based On Selection :13
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
24
0.857
* Total i10 IndexRankings
Ranking Based On Selection :14
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
23
0.852
* Total i10 IndexRankings
Ranking Based On Selection :15
weather-related hazards
societal impacts
statistical modeling
vulnerability assessment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
18
1.000
* Total i10 IndexRankings
Ranking Based On Selection :16
Remote Sensing
Thermal Remote Sensing
Urban Climate
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
* Total i10 IndexRankings
Ranking Based On Selection :17
Local universe galaxies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
15
0.938
* Total i10 IndexRankings
Ranking Based On Selection :18
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
13
0.929
* Total i10 IndexRankings
Ranking Based On Selection :19
Remote Sensing
Aerosols
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
* Total i10 IndexRankings
Ranking Based On Selection :20
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
* Total i10 IndexRankings
Ranking Based On Selection :21
statistical signal processing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
* Total i10 IndexRankings
Ranking Based On Selection :22
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 IndexRankings
Ranking Based On Selection :23
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 IndexRankings
Ranking Based On Selection :24
Earth Observation in Agriculture
Deep learning
Hyperspectral
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 IndexRankings
Ranking Based On Selection :25
hydrology
hydraulic modeling
flood risk management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Vassilis Amiridis
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
130
102
0.785
Ioannis Georgantopoulos
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
129
55
0.426
Constantinos A. Balaras
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
66
0.680
Kontoes C
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
58
0.784
Alceste Bonanos
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
49
0.710
Massive stars
Extragalactic distance scale
The Variable sky
Hypervelocity stars
Anna Belehaki
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
31
0.544
Iphigenia Keramitsoglou
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
37
0.771
Adrianos Retalis
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
24
0.500
John Kalogiros
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
27
0.659
Frank Tramper
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
34
0.944
Ming Yang
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
29
0.906
massive stars
spectroscopic and photometric survey
period-luminosity relation of variables
Panagiotis Elias
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
25
0.806
Kalliopi Droutsa
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
24
0.857
Simon Kontoyiannidis
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
23
0.852
Katerina Papagiannaki
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
18
1.000
weather-related hazards
societal impacts
statistical modeling
vulnerability assessment
Panagiotis Sismanidis
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
Sophia Lianou
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
15
0.938
Athanasios Karagiannidis
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
13
0.929
Paronis Dimitris
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
Sotirios Mallios
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
Konstantinos Themelis
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
Kyriaki Papachristopoulou|Kyriakoula Papachristopoulou
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Themistocles Herekakis
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
Dimitris Sykas
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
Vasiliki Pagana
National Observatory of Athens
Athina, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000