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ISPRS Int. J. Geo-Inf. 2015, 4(3), 1336-1345; doi:10.3390/ijgi4031336

Large Scale Landform Mapping Using Lidar DEM

Department of Geomatic Engineering, Faculty of Civil Engineering, Yıldız Technical University, Esenler, Istanbul 34220, Turkey
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Author to whom correspondence should be addressed.
Academic Editors: Marinos Kavouras and Wolfgang Kainz
Received: 1 May 2015 / Revised: 28 June 2015 / Accepted: 31 July 2015 / Published: 7 August 2015
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Abstract

In this study, LIDAR DEM data was used to obtain a primary landform map in accordance with a well-known methodology. This primary landform map was generalized using the Focal Statistics tool (Majority), considering the minimum area condition in cartographic generalization in order to obtain landform maps at 1:1000 and 1:5000 scales. Both the primary and the generalized landform maps were verified visually with hillshaded DEM and an orthophoto. As a result, these maps provide satisfactory visuals of the landforms. In order to show the effect of generalization, the area of each landform in both the primary and the generalized maps was computed. Consequently, landform maps at large scales could be obtained with the proposed methodology, including generalization using LIDAR DEM. View Full-Text
Keywords: DEM; generalization; GIS; landform classification; LIDAR; minimum area DEM; generalization; GIS; landform classification; LIDAR; minimum area
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gökgöz, T.; Baker, M.K.M. Large Scale Landform Mapping Using Lidar DEM. ISPRS Int. J. Geo-Inf. 2015, 4, 1336-1345.

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