holderness Flashcards
weather causes
winter storms produce stronger waves and higher sea levels
rain can intensify sub aerial processes
wave causes
dominant waves from north east due to prevailing winds
destructive waves attack the foot of the cliffs
longshore drift increases erosion as it removes sediment from beaches
geology
chalk and clay with clay eroded easily to form the bay while chalk is more resistant
human activity
global warming has increased sea levels as well as increasing likelihood of storms
Mappleton groynes
two rock groynes and rip rap
have stopped longshore drift and protected the village
however less sand on beach down the coast
Withernsea
groynes to widen beach
sea wall
rip rap
have been successful with the widened beach reducing erosion
spurn head
no management but lack of sediment reaching it. becoming and is in danger of becoming an island
easington
gas terminal where 25% of gas comes ashore
rip rap at bass of cliffs
must be protected as this is where gas from norway will be brought ashore