A Morphing-Based Method for Paleotopographic Reconstruction of the Transverse Canyon

The transverse canyon is a V-shaped, fluvial-genetic canyon, secondary valley formed by drainage crossing tectonically uplifted mountain. Paleotopography of the vital to connection and river capture, offering insight into processes that link large-scale systems, analyzing paleodrainage patterns, recreating headward erosion. Notably, modern paleotopographic reconstruction methods are usually limited reconstructions paleotopography in vast sedimentary basins denuded hills orogenic belts. When applied canyons, specific found tiny locations, these techniques difficult, expensive, ineffective. This paper proposes an automated method for reconstructing using digital elevation model (DEM) river. (1) Restore ridgeline above based on ridgelines mountains both sides; (2) create buffer zone centerline with unequal distances each side; (3) construct mesh surface interpolating transition curves from morphing method, three-edge type; (4) apply spatial interpolation points DEM stitch it input obtain DEM; (5) calculate attributes. objective this study reconstruct eight typical canyons comb-like fold belt northern Chongqing. As part we address effects dislocated mountains, erosion gullies, different techniques, as well applicability proposed other valleys. In conclusion, DEMs replicate processes, assess build three-dimensional solid models.