Measured spatial variability of beach erosion due to aeolian processes.

Sierd de Vries, Anne Verheijen, Bas Hoonhout, Sander Vos, Nicholas Cohn, Peter Ruggiero

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientific

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Abstract

This paper shows the first results of measured spatial variability of beach erosion due to aeolian processes during the recently conducted SEDEX2 field experiment at Long Beach, Washington, U.S.A.. Beach erosion and sedimentation were derived using series of detailed terrestrial LIDAR measurements of beach morphology during three low tide periods. Results show significant measured sedimentation and erosion up to 10-20 mm/hour during moderate wind conditions. Spatial variability in bed level changes were found which appeared to be related to the wind orientation and varying bed level characteristics. Around the high waterline, erosion is found during onshore winds whereas sedimentation is observed on the upper beach. The terrestrial lidar data also resolves the migration of bed forms migrating on the upper beach demonstrating its utility of for a range of aeolian sediment transport applications.
Original languageEnglish
Title of host publicationProceedings of Coastal Dynamics 2017
Subtitle of host publicationHelsingør, Denmark
EditorsT. Aagaard, R. Deigaard, D. Fuhrman
Pages481-491
Publication statusPublished - 2017
EventCoastal Dynamics 2017 - Kulturværftet, Helsingor, Denmark
Duration: 12 Jun 201716 Jun 2017
http://coastaldynamics2017.dk

Conference

ConferenceCoastal Dynamics 2017
CountryDenmark
CityHelsingor
Period12/06/1716/06/17
Internet address

Keywords

  • Aeolian sediment transport
  • terrestrial laser scanning
  • beach morphodynamics
  • SEDEX

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