Method for extraction continuous shoulder line in Loess watershed

TitleMethod for extraction continuous shoulder line in Loess watershed
Publication TypeConference Paper
Year of Publication2013
AuthorsZhou, Yi, and Jian Tian
Refereed DesignationRefereed
Conference NameGeomorphometry 2013
Date Published2013
Conference LocationNanjing, China
AbstractA method for automatic connection of Loess shoulder line is designed in this paper. Firstly, according to the morphological characteristics of loess hillslope, raster points on the position of shoulder-lines are detected based on high resolution DEM data. Then buffer curve of divide line sets as the initial curve. Thirdly, initial curve is forced to creep to shoulder-line points under the guidance of the hillslope flow direction matrix to make a continuous shoulder line. Experiments in the loess hilly-gully area show the continuity and precision of results meet our need and have good agreement with the real topography.
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