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Mesoscale coastal behavior related to morphological self-adjustment

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Cooper, Andrew, McKenna, John, Jackson, Derek and O'Connor, M. (2007) Mesoscale coastal behavior related to morphological self-adjustment. GEOLOGY, 35 (2). pp. 187-190. [Journal article]

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DOI: 10.1130/G23016A.1

Abstract

High-energy events (extratropical storms, tsunamis, and hurricanes), sediment supply variability, and sea-level rise are regarded as major drivers of coastal geomorphic behavior. In this paper we document a 170 yr record of cyclic coastal changes that occur independently of such external drivers. In a geologically constrained situation with no external sediment input, two end-member morphological configurations (attractors) are identified between which the system alternates. Although neither configuration is stable, the system as a whole exhibits century-scale equilibrium. Our findings present a hitherto unreported form of decadal scale self-adjustment in a coastal system that has occurred under a stable sea level with a consistent wave and tidal regime.

Item Type:Journal article
Faculties and Schools:Faculty of Life and Health Sciences
Faculty of Life and Health Sciences > School of Environmental Sciences
Research Institutes and Groups:Environmental Sciences Research Institute
Environmental Sciences Research Institute > Coastal Systems
ID Code:1388
Deposited By:Professor Andrew Cooper
Deposited On:26 Nov 2009 12:20
Last Modified:15 Jun 2011 11:17

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