Connecting subtidal and subaerial sand transport pathways in the Texel inlet system

Kathelijne Wijnberg, Ad van der Spek, Filipe Galiforni Silva, Edwin Elias, Mick van der Wegen, Jill Slinger

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Abstract

Potential transport pathways between the subtidal and subaerial part of tidal inlet systems are explored by means of a case study of Texel Inlet, The Netherlands. Based on a morphologic analysis of multi-annual, high-resolution bathymetric and topographic data sets we hypothesize that two mechanisms connect the subtidal and subaerial parts of the system. The first mechanism relates to deposition on the tip of the island occurring to a large extent below spring high tide level, providing a fresh sediment source available for aeolian transport during parts of the tidal cycle. The second mechanism relates to sand deposition on the wide sandflat above spring high tide level occurring during storm surge flooding. These deposits are then available for aeolian transport during regular water levels. Due to the dominant wind direction at Texel Island, this leads to extensive dune formation on the downwind end of the sandflat.
Original languageEnglish
Title of host publicationProceedings Coastal Dynamics 2017
EditorsTroels Aagaard, Rolf Deigaard, David Fuhrman
Pages323-332
Publication statusPublished - 2017
EventCoastal Dynamics 2017 - Kulturværftet, Helsingør, Denmark
Duration: 12 Jun 201716 Jun 2017
http://coastaldynamics2017.dk/index.html

Conference

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

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