期刊
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
卷 23, 期 3, 页码 -出版社
AMER GEOPHYSICAL UNION
DOI: 10.1029/2021GC010266
关键词
coastal boulders; tsunami; storms; Monte-Carlo simulations; uncertainty; sensitivity
资金
- National Science Foundation [DGE-173513, GLD-1630099]
This article presents a new model for studying the sensitivity of boulders, fluid flow, and environmental parameters through simulations, providing a better understanding of the process of boulder dislodgement.
Boulders are excellent candidate deposits to study coastal inundation events by storms and tsunamis due to their significant preservation potential. However, it is difficult to infer how and what forcing dislodged the boulder. We present a new model that enables ensemble and Monte-Carlo-type simulations to study the sensitivity of boulder, the fluid flow, and environmental parameters. Our examples show that boulder transport is complex and nonlinear, and to acknowledge the uncertainties of the boulder's preexisting transport conditions, a range of velocities and environmental parameters should be used to quantify the flow that caused boulder dislodgement.
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