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《Geography and Geo-Information Science》 2017-04
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Progress of Digital Terrain Analysis in the Loess Plateau of China

TANG Guo-an;LI Fa-yuan;XIONG Li-yang;Key Laboratory of Virtual Geographic Environment,Ministry of Education,Nanjing Normal University;  
The Loess Plateau of China has been regarded as one of the most unique and valuable geographical study areas in the world.The quantitative expression and analysis of loess topography and the process based loess landform evolution modelling are the basic research contents for this specific plateau.The research of Digital Terrain Analysis(DTA)for the plateau takes this specific area as the key research object,and tries to extract different kinds of topographical slope derivatives and topographical features based on different scales of Digital Elevation Models(DEMs).Then,the geographical model could be established through the inter-analysis of the own characteristics of different topographical derivatives and features,and also their spatial distribution patterns.This established model could help to deepen the understanding of the evolution of loess landform and its spatial variation pattern.In this paper,the basic theory and analysis method of DTA in the Loess Plateau have been summarized first.And then,the research achievements of DTA in the Loess Plateau have been comprehensively sorted and analyzed.These achievements contain DEM data model of the Loess Plateau,topographical feature factors,terrain information TUPU,terrain texture,gully information TUPU,and the developmental mechanism of geomorphology.It can be seen that the research of DTA in the Loess Plateau has become a unique research direction in which many methods have become the important research aspects in the field of geomorphometry.
【Fund】: 国家自然科学基金项目(41601411;41671389;41471316)
【CateGory Index】: P208;P931.6
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【Citations】
Chinese Journal Full-text Database 10 Hits
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【Co-citations】
Chinese Journal Full-text Database 9 Hits
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