Major coastal impact induced by a 1000-year storm event

Mikkel Fruergaard; Thorbjørn Joest Andersen; Peter Johannessen; Lars H. Nielsen; Morten Pejrup

doi:10.1038/srep01051

Major coastal impact induced by a 1000-year storm event

Mikkel Fruergaard, Thorbjørn Joest Andersen, Peter Johannessen, Lars H. Nielsen, Morten Pejrup

Geography

39 Citations (Scopus)

1581 Downloads (Pure)

Abstract

Extreme storms and storm surges may induce major changes along sandy barrier coastlines, potentially causing substantial environmental and economic damage. We show that the most destructive storm (the 1634 AD storm) documented for the northern Wadden Sea within the last thousand years both caused permanent barrier breaching and initiated accumulation of up to several metres of marine sand. An aggradational storm shoal and a prograding shoreface sand unit having thicknesses of up to 8 m and 5 m respectively were deposited as a result of the storm and during the subsequent 30 to 40 years long healing phase, on the eroded shoreface. Our results demonstrate that millennial-scale storms can induce large-scale and long-term changes on barrier coastlines and shorefaces, and that coastal changes assumed to take place over centuries or even millennia may occur in association with and be triggered by a single extreme storm event.

Original language	English
Article number	1051
Journal	Scientific Reports
Volume	3
Number of pages	7
ISSN	2045-2322
DOIs	https://doi.org/10.1038/srep01051
Publication status	Published - 2013

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http://www.nature.com/srep/2013/130111/srep01051/full/srep01051.html

Superstorme kan ramme Danmark: Superstorme som Sandy er ikke kun forbeholdt fremmede egne. En gigantisk storm ramte Danmark i 1634
Fruergaard, M.
03/03/2013
1 Media contribution
Press/Media: Press / Media

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title = "Major coastal impact induced by a 1000-year storm event",

abstract = "Extreme storms and storm surges may induce major changes along sandy barrier coastlines, potentially causing substantial environmental and economic damage. We show that the most destructive storm (the 1634 AD storm) documented for the northern Wadden Sea within the last thousand years both caused permanent barrier breaching and initiated accumulation of up to several metres of marine sand. An aggradational storm shoal and a prograding shoreface sand unit having thicknesses of up to 8 m and 5 m respectively were deposited as a result of the storm and during the subsequent 30 to 40 years long healing phase, on the eroded shoreface. Our results demonstrate that millennial-scale storms can induce large-scale and long-term changes on barrier coastlines and shorefaces, and that coastal changes assumed to take place over centuries or even millennia may occur in association with and be triggered by a single extreme storm event.",

author = "Mikkel Fruergaard and Andersen, {Thorbj{\o}rn Joest} and Peter Johannessen and Nielsen, {Lars H.} and Morten Pejrup",

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T1 - Major coastal impact induced by a 1000-year storm event

AU - Fruergaard, Mikkel

AU - Andersen, Thorbjørn Joest

AU - Johannessen, Peter

AU - Nielsen, Lars H.

AU - Pejrup, Morten

PY - 2013

Y1 - 2013

N2 - Extreme storms and storm surges may induce major changes along sandy barrier coastlines, potentially causing substantial environmental and economic damage. We show that the most destructive storm (the 1634 AD storm) documented for the northern Wadden Sea within the last thousand years both caused permanent barrier breaching and initiated accumulation of up to several metres of marine sand. An aggradational storm shoal and a prograding shoreface sand unit having thicknesses of up to 8 m and 5 m respectively were deposited as a result of the storm and during the subsequent 30 to 40 years long healing phase, on the eroded shoreface. Our results demonstrate that millennial-scale storms can induce large-scale and long-term changes on barrier coastlines and shorefaces, and that coastal changes assumed to take place over centuries or even millennia may occur in association with and be triggered by a single extreme storm event.

AB - Extreme storms and storm surges may induce major changes along sandy barrier coastlines, potentially causing substantial environmental and economic damage. We show that the most destructive storm (the 1634 AD storm) documented for the northern Wadden Sea within the last thousand years both caused permanent barrier breaching and initiated accumulation of up to several metres of marine sand. An aggradational storm shoal and a prograding shoreface sand unit having thicknesses of up to 8 m and 5 m respectively were deposited as a result of the storm and during the subsequent 30 to 40 years long healing phase, on the eroded shoreface. Our results demonstrate that millennial-scale storms can induce large-scale and long-term changes on barrier coastlines and shorefaces, and that coastal changes assumed to take place over centuries or even millennia may occur in association with and be triggered by a single extreme storm event.

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SN - 2045-2322

VL - 3

JO - Scientific Reports

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Major coastal impact induced by a 1000-year storm event

Abstract

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Superstorme kan ramme Danmark: Superstorme som Sandy er ikke kun forbeholdt fremmede egne. En gigantisk storm ramte Danmark i 1634

Cite this