BBCNEWS BBC News January 14, 2022 13:54:00
Jurassic coastline. 0ur foreshores are constantly changing. to understand what forces are at play in reshaping them, researchers from the university of plymouth study the cliffs, dunes and sands at perranporth on the north cornwall coast. this is ourfavourite beach. we've come here already for 15 years and we survey the whole beach every month. the beach here is 3.5 kilometres long, and a severe winter storm can shift up to one million cubic metres of sand out to sea before summer tides bring it back again. the beach isn'tjust popular with visitors, but it's essential to protect the town. the ...