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The ASTER DEM generation for geomorphometric analysis of the Central Alborz mountains, Iran


Mousavi, Seyed Ramzan and Pirasteh, Saied and Pradhan, Biswajeet and Mansor, Shattri and Mahmud, Ahmad Rodzi (2011) The ASTER DEM generation for geomorphometric analysis of the Central Alborz mountains, Iran. Pertanika Journal of Science & Technology, 19 (S). pp. 115-124. ISSN 0128-7680; ESSN: 2231-8526

Abstract / Synopsis

This research focuses on the ASTER DEM generation for visual and mathematical analysis of topography, landscapes and landforms, as well as modeling of surface processes of Central Alborz, Iran. ASTER DEM 15 m generated using tie points over the Central Alborz and Damavand volcano with 5671 m height from ASTER (Advanced Space borne Thermal Emission and Reflection Radiometer) satellite data using PCI Geomatica 9.1. Geomorphic parameters are useful to identify and describe geomorphologic forms and processes, which were extracted from ASTER DEM in GIS environment such as elevation, aspect, slope angle, vertical curvature, and tangential curvature. Although the elevation values are slightly low in altitudes above 5500 m asl., the ASTER DEM is useful in interpretation of the macro- and meso-relief, and provides the opportunity for mapping especially at medium scales (1:100,000 and 1:50,000). ASTER DEM has potential to be a best tool to study 3D model for to geomorphologic mapping and processes of glacial and per glacial forms above 4300 m asl.

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Additional Metadata

Item Type: Article
Divisions: Institute of Advanced Technology
Publisher: Universiti Putra Malaysia Press
Keywords: ASTER DEM; Central Alborz; Geomorphometry; GIS; Remote sensing
Depositing User: Nabilah Mustapa
Date Deposited: 25 Aug 2015 11:48
Last Modified: 26 Jan 2016 12:13
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