Netherlands coastal flooding case study Flashcards
1
Q
why is the Netherlands at risk of flooding
A
-low land
2
Q
what are the three main areas called
A
- the delta region
- the zuider zee
- the coastal dune area
3
Q
what does the delta region consists of
A
-islands and peninsula’s running between distributies of the river rhine, moas and lek
4
Q
what does the delta scheme aim to do
A
reduce the length of defended coastline from 800km to 80km
5
Q
what about the zuider zee area
A
- originally a long inlet of the sea that threatened large areas of low lying land
- a 30km barrier completed by 1932, creating a fresh water lake
6
Q
what occupies the coastal dune area
A
dunes occupy 42,000 hectres
7
Q
why is there a negative balance of the coastal dune area
A
-currents and waves remove sand and deposit it somewhere else
8
Q
what are the main protective measures of the coastal dune area
A
- sand and water mixed is pumped from the sea bed, then sprayed on the beaches
- grasses and trees planted to hold sand
- steeper dykes are placed below dunes
- certain areas fenced off to prevent trampling
