Coastal profile response to sea level rise: a process‐based approach
作者： Troels Aagaard , Per Sørensen
DOI: 10.1002/ESP.2271
关键词:
摘要: Prevailing ideas and calculations of coastal response to sea level rise (SLR) are often based on the Bruun model (Bruun P., Sea-level as a cause shore erosion, Journal Waterways Harbors Division, ASCE88: 117–130, 1962) that predicts upward landward transfer an equilibrium profile during SLR through offshore sediment transport shoreface. The is number assumptions questionable validity well outdated concepts how transported across This contribution takes numerical modelling approach first-order processes contributing movement Using wave transformation hydrodynamic driving cross-shore energetics-based for coupling between hydrodynamics transport, we show mainly onshore directed at boundary lower upper shoreface, in agreement with proposed by Davidson-Arnott (Conceptual effects sandy coasts, Coastal Research21: 1166–1172, 2005). transition from located within surf zone rising this point becomes displaced upward. Tests also substrate slope fundamental importance manner which beaches react level. Copyright © 2012 John Wiley & Sons, Ltd.
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