Is the North Atlantic oscillation affecting the longshore drift rate in South-East England?

Is the North Atlantic oscillation affecting the longshore drift rate in South-East England?
Blanco Lopez de San Roman, B.and Brampton, A.
In: Coastal Dynamics 2017, 12-16 June 2017, Helsingør, Denmark. (2017)

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Abstract:Coastal erosion at an artificially maintained headland on the Southeast of England continues to be a problem, one of the main concerns being that the outflanking of the seawall here would increase the chances of erosion or flooding of the hinterland. Over the years, it has been speculated the movements and changes of the offshore banks, the mobile ness on the beach nearby or the defences themselves have been accountable for this erosion. This paper shows the relationship between the longshore drifts in the area, caused by two main nearly-opposite wave directions, and the NAO (North Atlantic Oscillation) index, a measure for interannual variability in the atmospheric circulation. The NAO could intuitively be considered to affect the western coastline of the UK, although in principle it would have been less expected in Suffolk. The increased erosion observed in the area since 2013 is linked to two high positive NAO index years following a high negative NAO index in 2013.
Item Type:Conference or Workshop Item (Paper)
Subjects:Coasts > General
ID Code:1410
Deposited On:26 Jun 2017 05:35
Last Modified:26 Jun 2017 05:35

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