High-Resolution Sedimentary Paleoflood Records in Alluvial River Environments: A Review of Recent Methodological Advances and Application to Flood Hazard Assessment

Toonen, WHJ, Munoz, SE, Cohen, KM and Macklin, Mark (2020) High-Resolution Sedimentary Paleoflood Records in Alluvial River Environments: A Review of Recent Methodological Advances and Application to Flood Hazard Assessment. In: Palaeohydrology Traces, Tracks and Trails of Extreme Events. Springer. ISBN UNSPECIFIED

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High-Resolution Sedimentary Paleoflood Records in Alluvial River Environments: A Review of Recent Methodological Advances and Application to Flood Hazard Assessment

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Abstract

In this chapter, we discuss recent developments in paleoflood hydrology that are specific to the collection of high-resolution records from alluvial settings. We describe how to develop and analyze alluvial paleoflood records, including (i) the identification of suitable depositional niches in valley environments and the mechanisms of overbank deposition that lead to flood deposit accumulation at those locations, (ii) approaches for sample material collection and methods to measure the coarseness of individual flood units, (iii) data assessment and reconstruction of absolute and relative flood magnitudes from sedimentary information, and (iv) developing flood chronologies with a discussion of available dating techniques. We argue that alluvial paleoflood archives hold enormous potential for flood hazard assessments in densely populated low-lying areas despite the challenge of quantitative discharge …

Keywords:sedimentary, paleoflood, Extreme events, Natural hazard, Climate change, Holocene, Fluvial archive
Subjects:F Physical Sciences > F840 Physical Geography
F Physical Sciences > F810 Environmental Geography
Divisions:College of Science > School of Geography
ID Code:38164
Deposited On:01 Nov 2019 14:29

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