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1 1Key Laboratory of Mountain Hazards and Surface Process, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, China 2China-Pakistan Joint Research Center on Earth Sciences, CAS-HEC, Islamabad, Pakistan 3China Railway Eryuan Engineering Group Co. Ltd., Chengdu, China 4University of Chinese Academy of Sciences, Beijing, China 5Earth and Atmospheric Sciences, Indiana University, Bloomington, IN, United States The southeastern Tibetan Plateau has been deeply dissected by major rivers and their tributaries into high-relief topography with deep gorges. In this region, most hillslope gradients in the high-relief areas approach a threshold value, and landslides are the dominant surface erosion process. For this work, we analyzed the hillslope erosion process by determining the excess topography from the threshold hillslope. Slope analysis found a similar normal distribution of slope values for six large drainage basins with different lithology, precipi

Yangtze riverChina generalUnited statesMin riverNew zealandPapua new guineaAzad kashmirTibetan plateauLiwen bianji edanzWolfgang schwanghartKatherine armstrongSoftware for topographic analysisNational natural science foundation of chinaDrainage network evolutionChina geologicalModeling in earth surface sciences