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Conference paper - Peer-reviewed, 2010

Measurements of Morphometric Parameters From Digital Elevation Models

Gilichinsky, Michael; Melnikov, Dmitry; Melekestsev, Ivan; Zaretskaya, Natasha; Inbar, Moshe


The present research examines the measured morphometric values of monogenetic cinder cones in the Tolbachik volcanic field (Kluchevskaya volcanic group, Kamchatka). The cones were measured from digital elevation models derived from satellite data (ASTER and SRTM) and from digitized topographic maps. The GPS measurements of 85 locations were performed in the field to provide geodetic reference for DEM processing as well as to assess the accuracy of the DEM. A methodology for morphometric measurements on a DEM is proposed. The morphometric parameters derived from a DEM include the main characteristics that control the rate of degradational evolution of the cone: height, width and slope. The measured morphometric values were compared and accuracy assessment was carried out.Our study analyzes the morphometric values of four recent cinder cones formed during the last basaltic eruption in 1975-76, and of five older ones formed during the last 2000 years. We show that morphometric values obtained from a DEM are affected by the resolution change, and characteristics of the same cinder cone may vary in their values among DEMs of different resolutions. According to the results, the morphometry of the cinder cones can be well characterized by a DEM derived from remotely sensed data. The calculated morphometric parameters showed a correlation with the spatial resolution of the DEM and relative age of the cinder cones. All studied DEM (including coarse resolution SRTM) were found suitable for morphometric measurements under the constraint of spatial resolution.


morphometric parameters; cinder cones; DEM; ASTER; SRTM

Published in

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
2010, Volume: 38-4-8, number: 2W, pages: 138-145
Book title: Core Spatial Databases - Updating, Maintenance and Services – from Theory to Practice
Publisher: ISPRS


Conference on Core Spatial Databases - Updating, Maintenance and Services - from Theory to Practice, MAR 15-17, 2010, Haifa, ISRAEL

    SLU Authors

    UKÄ Subject classification

    Remote Sensing

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