IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Landform Classification of the Loess Plateau Based on Slope Spectrum from Grid DEMs
TANG Guo-an; LI Fayuan(李发源)
Source PublicationAdvances in Digital Terrain Analysis
EditorZhou, Qiming ; Lees, Brian ; Tang, Guo-an (Eds.)
PublisherLecture Notes in Geoinformation and Cartography
Publication Place

This chapter proposed a new method for landform classification of the Loess Plateau based on grid DEM data and the GIS method. The slope spectrum, as well as corresponding indices, was first extracted from 5 m resolution DEMs. Then, 13 slope spectrum index layers were integrated into a comprehensive layer, on which were based a series of unsupervised classifications applied to landform classification. Experimental results show that the slope spectrum is appropriate for describing the spatial distribution of the loess landform and the automatic classification of loess landform types is realizable through an integrated analysis of the slope spectrum. Furthermore, the method pays more attention to the spatial distribution of the terrain at a global level and is more fitted to loess landform classification at the regional scale. It is also of great significance in extending the application of DEMs and it improves the methodology of digital terrain analysis.

Document Type专著章节文集论文
Recommended Citation
GB/T 7714
TANG Guo-an,LI Fayuan. Landform Classification of the Loess Plateau Based on Slope Spectrum from Grid DEMs. Advances in Digital Terrain Analysis. Notes in Geoinformation and Cartography,2008:107-124.
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李发源(第二作者):Landform C(3026KB) 开放获取LicenseView Application Full Text
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