Journal
EARTH SURFACE PROCESSES AND LANDFORMS
Volume 37, Issue 6, Pages 583-593Publisher
WILEY
DOI: 10.1002/esp.2264
Keywords
coastal storms; coastal erosion; nearshore bars; beach recovery; storm groups
Funding
- European Community [202798]
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This study analyses beach morphological change during six consecutive storms acting on the meso-tidal Faro Beach (south Portugal) between 15 December 2009 and 7 January 2010. Morphological change of the sub-aerial beach profile was monitored through frequent topographic surveys across 11 transects. Measurements of the surf/swash zone dimensions, nearshore bar dynamics, and wave run-up were extracted from time averaged and timestack coastal images, and wave and tidal data were obtained from offshore stations. All the information combined suggests that during consecutive storm events, the antecedent morphological state can initially be the dominant controlling factor of beach response; while the hydrodynamic forcing, and especially the tide and surge levels, become more important during the later stages of a storm period. The dataset also reveals the dynamic nature of steep-sloping beaches, since sub-aerial beach volume reductions up to 30?m3/m were followed by intertidal area recovery (2?
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