Shreeram Dhungana
Climate-Driven Evolution of Glacier-Moraine Systems: Integrated Surveying and Numerical Modelling of the Valpelline And Melamchi Events.
Rel. Claudio Oggeri, Nives Grasso, Alberto Cina. Politecnico di Torino, Master of science program in Environmental And Land Engineering, 2026
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Abstract
Climate change has a direct influence on glacier environments. As the world gets warmer, glaciers are melting faster than ever before. When the glacier body moves downward, it starts to melt, leaving behind ridges of loose rocks and dirt called moraines. During heavy rainfall, these unconsolidated sediments are often unstable and can collapse, turning into dangerous downstream flows of water and loose material known as debris flows. Moraine failures and debris flows change valley morphology and threaten people living downstream depending on the intensity of flow and volume. Understanding glacier environments and the dynamics of moraine behaviour has become increasingly important in recent years.
Therefore, predicting the initiation and propagation of debris flows originating from moraine failures requires robust numerical modelling capable of reproducing both slope instability and post-failure dynamics
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