CiNii Books - Geological records of tsunamis and other extreme waves

Geological Records of Tsunamis and Other Extreme Waves provides a systematic compendium with concise chapters on the concept and history of paleotsunami research, sediment types and sediment sources, field methods, sedimentary and geomorphological characteristics, as well as dating and modeling approaches. By contrasting tsunami deposits with those of competing mechanisms in the coastal zone such as storm waves and surges, and by embedding this field of research into the wider context of tsunami science, the book is also relevant to readers interested in paleotempestology, coastal sedimentary environments, or sea-level changes, and coastal hazard management. The effectiveness of paleotsunami records in coastal hazard-mitigation strategies strongly depends on the appropriate selection of research approaches and methods that are tailored to the site-specific environment and age of the deposits. In addition to summarizing the state-of-the-art in tsunami sedimentology, Geological Records of Tsunamis and Other Extreme Waves guides researchers through establishing an appropriate research design and how to develop reliable records of prehistoric events using field-based and laboratory methods, as well as modeling techniques.

Table of Contents

SECTION 1 Introduction 1 Geological records of tsunamis and other extreme waves: concepts, applications and a short history of research 2 Historical records: their importance in understanding and mitigating tsunamis 3 Tsunami magnitude scales 4 Trigger mechanisms and hydrodynamics of tsunamis 5 Tsunami databases 6 Onshore archives of tsunami deposits SECTION 2 Field methods 7 Geophysical prospection and sedimentological characteristics of subaquatic tsunami deposits 8 Ground-penetrating radar (GPR) in coastal hazard studies 9 Mapping of subaerial coarse clasts 10 Post-event field surveys SECTION 3 Fine-Grained deposits 11 The sedimentology and geometry of fine-grained tsunami deposits from onshore environments 12 Foraminifera in tsunami deposits 13 Ostracoda in extreme-wave deposits 14 Diatoms in tsunami deposits 15 The application of molluscs for investigating tsunami deposits 16 Magnetic susceptibility and anisotropy of magnetic susceptibility: versatile tools to decipher hydrodynamic characteristics of past tsunamis 17 X-ray tomography applied to tsunami deposits 18 Applications of geochemical proxies in paleotsunami research 19 Microtextures in tsunami deposits: a useful sediment fingerprinting tool 20 Paleogenetic approaches in tsunami deposit studies 21 Post-depositional changes to tsunami deposits and their preservation potential 22 Erosional signatures and reorganization in ridge-and-swale sequences 23 Experimental and numerical models of fine sediment transport by tsunamis SECTION 4 Coarse-Clast deposits 24 Spatial patterns of subaerial coarse clasts 25 Mega-tsunami deposits related to ocean island flank collapses and asteroid impacts 26 Erosive impact of tsunami and storm waves on rocky coasts and postdepositional weathering of coarse-clast deposits 27 Experimental models of coarse-clast transport by tsunamis 28 Reconstruction of transport modes and flow parameters from coastal boulders 29 Perspective of incipient motion formulas:boulder transport by high-energy waves SECTION 5 Dating 30 Radiocarbon dating of tsunami and storm deposits 31 Radiocarbon and U/Th dating of tsunami and storm-transported coarse clasts 32 Optically stimulated luminescence dating of tsunami and storm deposits 33 Archaeological dating of tsunami and storm deposits 34 Tephrostratigraphy and tephrochronology 35 Cosmogenic nuclide dating of coarse clasts References 36 Paleomagnetic dating of wave-emplaced boulders

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Geological records of tsunamis and other extreme waves

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