shoreline managament plans

Question 1

what are the 4 policies

Answer 1

do nothing
retreat
hold the line
advance the line

Question 2

example of do nothing

Answer 2

aldbrough

rapid coastal erosion = allowing coast to do its own thing

used on low value land if cost of defense is too great

Question 3

-ve feedback system for do nothing

Answer 3

more erosion leads to more sediment in celll which builds up becahes so then less erosion occurs

Question 4

example of retreat

Answer 4

spurn head

coast allowed to flood and saltmarsh formation occurs

Question 5

example of hold the line

Answer 5

colombo srilanka

high value coast due to industry and urban areas

require hard enginerring and costs to maintain

Question 6

example of advance the line

Answer 6

sand engine netherlands

building defense out to sea by widening beaches

Question 7

how do they access planned changes

Answer 7

cost benefit analysis
environmental impact analysis
feasible studies
risk assesment