Quantitative Attribution Analysis of the Spatial Differentiation of Gully Erosion in the Black Soil Region of Northeast China

Figure 5

Image characteristics of the permanent gully and ephemeral gully on Pleiades images with different resolutions ((a) 0.7 m, (b) 1 m, (c) 1.5 m, (d) 2 m, (e) 2.5 m, (f) 3 M, and (g, h) photos of the gullies at ground).