Sijin LI, Wen DAI, Liyang XIONG, Guoan TANG. Uncertainty of the Morphological Feature Expression of Loess Erosional Gully Affected by DEM Resolution [J]. Journal of Geo-information Science, 2020, 22(3): 338
- Journal of Geo-information Science
- Vol. 22, Issue 3, 338 (2020)
Fig. 1. Workflow of uncertainty of the morphological feature expression of loess erosional gully
Fig. 2. Sketch map of illumination model
Fig. 3. Location of the study areas and digital elevation model data
Fig. 4. The results of gully indicators and the relationships between gully channel indicators and DEM resolutions
Fig. 5. The influence of DEM resolution on gully cutting depth
Fig. 6. The results of gully head indicators and the relationships between gully head indicators and DEM resolutions
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Table 1. The appropriate threshold value for gully network extraction of sample areas (m)
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Table 2. Basic information and features of study areas
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