Post-ERuption Incision of Landscapes (PERIL)
School of Earth Sciences
The first-ever coupled volcanic deposition and landscape evolution model to assess secondary volcanic hazards
To develop and calibrate his landscape evolution model, Adams will begin by studying recent volcanic eruptions in populated areas within the Philippines and western North America. The aim will be to constrain how the landscape adjusts after eruptions using aerial and satellite images. « A key aspect of this work will be to quantify patterns of erosion across these landscapes, which are highly dependent on the material properties of the volcanic deposits and the local climate », the researcher specifies. This study will then feed into the development and calibration of the very first landscape evolution model to incorporate the deposition of volcanic material, and predict the spatial extent, duration, and severity of post eruptive secondary hazards such as floods and landslides.
« Over 800 million people live close to active volcanoes. As populations continue to rise around them, there has never been a greater need for a tool that is capable of predicting how a landscape will evolve after a volcanic eruption », Adams presses. Although there has been extensive analysis of the hazards that accompany volcanic eruptions, much less is known about the long‐term consequences of volcanic activity. Adams’ project proposes to fill that gap by coupling volcanologic and geomorphic models – two areas where important progress has been made in recent years. This will allow him to model the processes that unfold over years, or even decades, after a disastrous event. His initiative is answering a long-recognised need for predicting the destructive effects of secondary volcanic hazards.
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