Physical landscape in the uk Flashcards
(20 cards)
What is a human reason that the Lees river need flood management?
.Moorland and pastures mean that little interception by trees occurs so precipitation enters the rivers faster
What are some physical reasons that the river Tees needs flood management?
.200 ml of rainfall leads to saturated soil
.steep relief surface runoff is easier
.impermeable geography
What are the 4 examples of hard engineering on the river tees?
.Flood gates
.Embankments (straightening)
.Tees barrage
.Cow green reservoir
What are some soft engernering methods on the river tees?
.Flood warnings
.Floodplain zoning
How do embankments prevent flooding on the river tees?
Raises the river walls to prevent flooding
How do food gates prevent flooding in the river tees?
32 flood gates surround Yarm and prevent 500 homes and businesses being flooded.
What is the Tees barrage?
Can be opened and closed to let out water at controlled quantities
When was the tees barrage constructed?
1995
How does the cow green reservoir prevent flooding?
Holds back 40,000 million litres of water so it can control the amount of water going into the river to prevent flooding
How does flood warnings on the river tees work?
A flood line warning app was set up to warn the people of Yarm
When was the cow green reservoir constructed?
1970
Where is the holderness coastline?
North England
Why is the holderness coast at risk of erosion?
The fetch is long in the North Sea as they travel far so is more eroding
What is the name of the village that is protected on the holderness coast?
Mappelton
What is the holderness coast made from?
Soft boulder clay
How meany homes and people are in mapelton?
50 houses and 342 poeple
What are the two coastal management strategies at mapelton?
.rock armor
.groynes
What is rock armour?
Large boulders are put at the base of the cliffs and the rocks absorbs the wave energy and protect the cliffs behind
What are Groynes?
Wooden or stone fences built at right angles to the coast. This prevents long shore drift
What town is effected by terminal groyne syndrome?
Great Cowden
