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Case study Netherlands. daphne.van.der.wal@nioz.nl. Case site: the Netherlands. Living in the Dutch delta. Zagwijn. Living in the Dutch delta ... Storm surge 1953. inundating 150 000 ha of land causing the death of 1835 people. Anp archief. Knmi.nl.
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Case study Netherlands daphne.van.der.wal@nioz.nl
Living in the Dutch delta... Zagwijn
Living in the Dutch delta ... Storm surge 1953 • inundating 150 000 ha of land • causing the death of 1835 people Anp archief Knmi.nl
Living in the Dutch delta ... Delta works Slide T. Ysebaert
Today “designed” flooding risks http://www.sev.nl/
Delta area, Netherlands Slide From T. Ysebaert / RWS?
Westerschelde, a typical funnel-shaped estuary Van der Spek
Westerschelde: dredging • Maintenance (1900 – 1970) • 1st deepening => 1970 - 1975 • Maintenance (1975 – 1997) • 2nd deepening => 1997 - 2001 • Maintenance (2001-2009) • 3rd deepening => 2010-2011 • Maintenance (present) Geoplein.nl
Westerschelde: cross-shore gradients Current velocity CHANNEL mud mud, sand Pethick, 1984 sand
Middle marsh (Atriplexportulacoides) Low marsh – pioneer (Spartinaanglica) Middle marsh (Puccinellia)
Vlissingen Biezelingsche Ham Baarland Zimmermanpolder Zuidgors Hoofdplaat Westerschelde Thomaespolder Paulinapolder Hellegatpolder Terneuzen False colour aerial photographs Yerseke
Westerschelde: saltmarsh dynamics Van der Wal, Wielemaker-van den Dool, Herman, Est. Coast. Shelf Sci. 2008
Westerschelde: saltmarsh dynamics Paulina Van der Wal et al., 2008 ECSS
Thank you for your attention! daphne.van.der.wal@nioz.nl