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The Guardian - UK
The Guardian - UK
Lifestyle

How accurate are maps of the British Isles?

Bolstering coastal defences at Withernsea, east Yorkshire. Photograph: East Riding of Yorkshire Council/PA
Bolstering sea defences at Withernsea, east Yorkshire. Is coastal erosion being mapped? Photograph: East Riding of Yorkshire Council/PA Photograph: East Riding of Yorkshire Council/PA

We are all familiar with the outline of the British Isles from the weather map, but, since so much coast has fallen into the sea in recent years, just how accurate is it? Is there an outline available that takes account of these changes to our coastline or are they too insignificant to register?

Denis Reed, Eaglescliffe, Cleveland

Post your answers – and new questions – below or email them to nq@theguardian.com

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