Environmental Engineering Reference
In-Depth Information
Fig. 4.19 A time series of
oblique aerial photographs
taken across the 'sand
engine'. Photographs show
morphological development
since completion in July
2011. From top to bottom :
5 July 2011, 13 October
2011, 30 March 2012
and 4 September 2012.
© Rijkswaterstaat (The
executive branch of the Dutch
Ministry of Infrastructure and
the Environment)/Joop van
Houdt
on the updrift side began to form a spit, which grew southward, deflecting the mouth
of the inlet, and it was decided to cut a channel through this, and allow 170,000 km 3
of sand to drift on southward. The released sand soon sealed the former inlet, and
moved on to renourish the previously eroding beach, widening it by more than
300 m over the next 6 years, south of the new artificial cut (Kana 1989 ).
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