Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :1
Photogrammetry
remote sensing
GIScience
natural hazards
Digital Earth
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,004
1,500
0.749
* Total Citation Counts Rankings
Ranking Based On Selection :2
Remote Sensing
InSAR Deformation Monitoring
SAR Earth Sciences
Geohazards
vegetation monitoring
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,644
1,398
0.850
* Total Citation Counts Rankings
Ranking Based On Selection :3
Jeodezi
GNSS
Jeoit Belirleme
Uydu Jeodezisi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
707
371
0.525
* Total Citation Counts Rankings
Ranking Based On Selection :4
Geomatics
GIS
Photogrammetry
Real Estate Valuation
Land Acquisition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39
39
1.000
Sultan Kocaman
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,004
1,500
0.749
Photogrammetry
remote sensing
GIScience
natural hazards
Digital Earth
Saygın Abdikan
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,644
1,398
0.850
Remote Sensing
InSAR Deformation Monitoring
SAR Earth Sciences
Geohazards
vegetation monitoring
Aydın Üstün
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
707
371
0.525
Jeodezi
GNSS
Jeoit Belirleme
Uydu Jeodezisi
Erdinç Örsan Ünal
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39
39
1.000
Geomatics
GIS
Photogrammetry
Real Estate Valuation
Land Acquisition