Tephra deposit inversion by coupling Tephra2 with the Metropolis-Hastings algorithm : algorithm introduction and demonstration with synthetic datasets

• Main Authors: Yang, Qingyuan, Pitman, E. Bruce, Bursik, Marcus, Jenkins, Susanna F.
• Other Authors: Asian School of the Environment
• Format: Article
• Language: English
• Published: 2021
• Subjects: Engineering::Environmental engineering; Tephra2; Metropolis-Hasings Algorithm
• Online Access: https://hdl.handle.net/10356/146685
• Institution: Nanyang Technological University

In this work we couple the Metropolis-Hastings algorithm with the volcanic ash transport model Tephra2, and present the coupled algorithm as a new method to estimate the Eruption Source Parameters of volcanic eruptions based on mass per unit area or thickness measurements of tephra fall deposits. Ou...