Universität zu Köln

Scheffers, Anja ORCID: 0000-0002-9143-5389 and Kelletat, Dieter (2020). Megaboulder Movement by Superstorms: A Geomorphological Approach. J. Coast. Res., 36 (4). S. 844 - 857. COCONUT CREEK: COASTAL EDUCATION & RESEARCH FOUNDATION. ISSN 1551-5036

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Abstract

A longstanding geomorphological debate exists on the capability of high-intensity hurricanes to transport megaboulders. This article considers this debate, with a focus on the Bahamas during the Eemian period when sea levels have been higher. The superstorm hypothesis implies that during a warmer interglacial period, storms of unprecedented intensity would have the ability to dislodge megaboulders, against gravity, and then transport them inland to their current place of deposition, and modelling resulted in strong storms during higher sea levels as the most probable process. In this study, geomorphological arguments are tested that consider the reconstruction of the Eemian coastal landscape, focussing on original dimensions of the boulders and the position of the Eemian cliff more accurately, not excluding tsunamis as a driving force.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Scheffers, Anja UNSPECIFIED orcid.org/0000-0002-9143-5389 UNSPECIFIED Kelletat, Dieter UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-327928
DOI:	10.2112/JCOASTRES-D-19-00112.1
Journal or Publication Title:	J. Coast. Res.
Volume:	36
Number:	4
Page Range:	S. 844 - 857
Date:	2020
Publisher:	COASTAL EDUCATION & RESEARCH FOUNDATION
Place of Publication:	COCONUT CREEK
ISSN:	1551-5036
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SCOTLAND BOULDER TRANSPORT; EMPLACED COARSE DEBRIS; TOP STORM DEPOSITS; INTERTIDAL LIMESTONE; CO CLARE; EXTREME WAVES; ARAN ISLANDS; COASTAL; IRELAND; RATES Multiple languages Environmental Sciences; Geography, Physical; Geosciences, Multidisciplinary Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/32792