Beach Replenishment in Seaford - PowerPoint PPT Presentation

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Beach Replenishment in Seaford

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The whole thing takes about three weeks and employs six earthmovers, two ... At ebbing tides the river currents reverse LSD at the centre of the bay ... – PowerPoint PPT presentation

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Title: Beach Replenishment in Seaford


1
Beach Replenishment in Seaford
Twice a year a firm of contractors arrive to
redistribute the shingle in Seaford Bay. The
whole thing takes about three weeks and employs
six earthmovers, two bulldozers and a digger.
2
Where is Seaford?
Main direction of LSD
note the beach west of the arm
Mouth of the River Ouse
Newhaven Harbour Arm prevents LSD
At ebbing tides the river currents reverse LSD at
the centre of the bay
3
Seaford Bay looking East. The contractors move
shingle from east of the bay (under Seaford Head)
to the centre then from the west to the centre.
4
Bucket holds 18 m3
Note how the beach has been eroded here
5
View looking east
Note the severity of the erosion here
6
Trucks unloading shingle at centre of beach.
7
Bulldozer levels the beach.
8
View looking west this beach has yet to be
replenished.
9
View looking east beyond the bulldozer where
the beach has been replenished.
10
A Sunny Day in Seaford
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