Discussion of "Back Analysis of the Draining Process of the Tangjiashan Barrier Lake" by Zuyu Chen, Liqiu Ma, Shu Yu, Shujing Chen, Xingbo Zhou, Ping Sun, and Xu Li.

The article discusses the research paper "Back Analysis of the Draining Process of the Tangjiashan Barrier Lake," by Zuyu Chen and colleagues. Topics discussed include the hyperbolic erosion model, uncertainties of dam breach modeling, and sediment transport models for surface erosion and breach evolution processes.