Dataset and simulation code for "Grain size and shape analysis of debris flow deposits along Jiangjia Gully with insight into its geomorphology significance"

Dataset S1: Grain size data obtain from every high-resolution image taken by UAV; Code S1. Code to fitting the best Probability distribution; Code S2: Code for Copola distribution simulation; Code S3: Code to generate Spatial_σg_1m map; Code S4: Code to simulation of individual and joint parameters; Code S5: Code to construct spatial maps.