Assessment of shuttle radar topography mission elevation data based on torographic maps in Turkey

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dc.authorid0000-0001-7717-586X
dc.authorid0000-0001-6449-2145
dc.authorid0000-0001-7486-0992
dc.authorid0000-0002-6944-5329
dc.contributor.authorBildirici, İbrahim Öztuğ
dc.contributor.authorÜstün, Aydın
dc.contributor.authorSelvi, Hüseyin Zahit
dc.contributor.authorAbbak, Ramazan Alpay
dc.contributor.authorBuğdaycı, İlkay
dc.date.accessioned2020-03-26T17:45:46Z
dc.date.available2020-03-26T17:45:46Z
dc.date.issued2009
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractDepending on scale, topographic maps depicting the shape of the land surfaces of the Earth are produced from different data sources. National topographic maps at a scale of 1:25 000 (25K maps) produced by General Command of Mapping are used as the base map set in Turkey. This map set, which consists of approximately 5500 sheets, covers the whole country and is produced using photogrammetric methods. Digital Elevation Models (DEMs) created from these maps are also available. Recently, another data source, Synthetic Aperture Radar (SAR) interferometric data, has become more important than those produced by conventional methods. The Shuttle Radar Topography Mission (SRTM) contains elevation data with 3 arc-second resolution and 16 m absolute height error (90 percent confidence level). These data are freely available via the Internet for approximately 80 percent of the Earth's land mass. In this study, SRTM DEM was compared with DEM derived from 25K topographic maps for different parts of Turkey. The study areas, each covering four neighboring 25K maps, and having an area of approximately 600 km2, were chosen to represent various terrain characteristics. For the comparison, DEMs created from the 25K maps were obtained and organized as files for each map sheet in vector format, containing the digitized contour lines. From these data, DEMs in the resolution of 3 arc-second were created (25K-DEM), in the same structure as the SRTM DEM, allowing the 25K-DEMs and the SRTM DEM to be compared directly. The results show that the agreement of SRTM DEM to the 25K-DEM is within about 13 m, which is less than the SRTM's targeted error of 16 m. The spatial distribution of the height differences between SRTM-DEM and the 25K-DEM and correlation analysis show that the differences were mainly related to the topography of the test areas. In some areas, local height shifts were determined.en_US
dc.description.sponsorshipTürkiye Bilimsel ve Teknolojik Araştırma Kurumuen_US
dc.description.sponsorshipThis study is based on the preliminary results of the project “Obtaining a Digital Elevation Model for Turkey in 3?×3? Resolution Using SRTM Dataset Supported with Local Elevation Data”. The authors thank the Scientific and Technological Research Council of Turkey (TUBITAK) for the support of the project (Project Nr. 106Y130). The authors also thank the Coordinator of Selcuk University's Scientific Research Projects for supporting their participation at AutoCarto 2008.en_US
dc.identifier.citationBildirici, İ. Ö., Üstün, A., Selvi, H. Z., Abbak, R. A., Buğdaycı, İ. (2009). Assessment of shuttle radar topography mission elevation data based on torographic maps in Turkey. Cartography and Geographic Information Science, 36(1), 95-104.
dc.identifier.doi10.1559/152304009787340205en_US
dc.identifier.endpage104en_US
dc.identifier.issn1523-0406en_US
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage95en_US
dc.identifier.urihttps://dx.doi.org/10.1559/152304009787340205
dc.identifier.urihttps://hdl.handle.net/20.500.12395/24108
dc.identifier.volume36en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.relation.ispartofCartography and Geographic Information Scienceen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectAccuracy assessmenten_US
dc.subjectDigital elevation modelen_US
dc.subjectInterferometric synthetic aperture radaren_US
dc.subjectSRTMen_US
dc.subjectTopographic mapsen_US
dc.subjectTopographyen_US
dc.subjectDijital yükseltme modeli
dc.subjectİnterferometrik sentetik açıklıklı radar
dc.subjectTopografik haritalar
dc.subjectTopografya
dc.subjectDoğruluk değerlendirmesi
dc.titleAssessment of shuttle radar topography mission elevation data based on torographic maps in Turkeyen_US
dc.typeConference Objecten_US

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