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Walton-on-the-Naze

 

12 September 2010

 

 

 

Walton-on-the-Naze index

 

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The northern end of the protected zone at Walton, at low water (0.1metres) and showing the difference in exposure along the defended foreshore. On the left the beach has been severely depleted, whilst the right-hand shot show relatively healthy beach accumulation.

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A concrete groyne, immediately to the north of the Mabel Greville groyne, has been damaged at  its seaward end.

 

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The beach has also dropped in front of the Tower, and is only accessible for less than half the tidal range nowadays.

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The first embayment has been eroding, with slumped materials now at the beach and being removed by wave action. These beach cliffs of rubble, often faced with clay, are increasingly high. On the right, a drainage stream carves a gorge and braided section.

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Pushing out over the beach are mobile flows from the first embayment north of the protected coastline, left and centre, whilst the headland between 1st and 2nd embayments, right, is about to collapse ... see photo 3357!

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Exceptionally low water meant you could look back on the cliffs from an improved perspective, and appreciate the extent of the wave-cut platform. At Walton this platform is of London Clay.

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Views of the 1sr embayment beneath the Tower and cafe, and, centre, towards Felixstowe and its cranes.

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WW2 pillboxes provide an accurate indication of cliff recession, left. The slumps and mobile flows provide ever-higher beach cliffs. On the right the clay has dried and cracked like cooling basalt ... but not as hard!

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A slump reaches the beach.

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The pillboxes litter the clay plains at low tide.

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Concentrating on the drama of pillboxes, cliffs and the Tower, almost caught me out, as the tide was turning, right!

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Retreating to shore, just 100m away, the removal of material from embayment 2 is very evident.

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Where clay is left in place, the sands and vegetation mantle easily slips off seaward.

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Back to the Tower, via the steps. These shots were taken from just above the rip rap.

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From the middle-level greensward, an excellent observation platform, the cliffs that back onto the steps is dominant, as is the view to the north, with the whole gamut of features inside the landslip.

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Ridges and valleys punctuate the rotational slide, that has also elements of mobile flow, and an increasing free-face beneath the embayment rim.

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Free-face of the receding cliff-line and the footpath and steps beyond.

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The northern side of the 1st embayment, where slumping is less organised that in the centre .. left hand shot.

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The slumping has left an increasingly high cliff face; at one time it was possible to jump off onto the fallen blocks.

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The second embayment has much better defined rotational slumps, and a headland that is showing five fault lines ... having crossed two to take a photo of the last three!

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Blocks gliding down in the 2nd embayment, and in the centre its relationship with the position of the Tower.

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Walton-on-the-Naze  Mabel Greville Breakwater Tower coasts cliffs erosion beaches groynes clay sand defences mobile slides rotational slumps   wave cut platform concrete blocks pillboxes tourism beach huts

 

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