River Tees Management Flashcards
What significant alteration was made to the river starting in 1810?
The river was straightened by cutting through meanders.
What was the first meander to be cut through?
The Mandale loop.
By how much was the river shortened by cutting through the Mandale loop?
4 km.
What effect does straightening the river have on flood water?
Flood water is able to flow more quickly out to sea.
What is Yarm?
Yarm is a market town on the River Tees with a long history of serious flooding.
When was the earliest recorded flood in Yarm?
The earliest recorded flood was in 1575.
What has been built to cope with extreme flooding in Yarm?
A new defence scheme has been built to cope with an extreme flood that may only happen every 100 years.
What was the cost of the flood defences in Yarm?
The defences have cost £2.1 million.
What geographical feature is Yarm built around?
The town is built around a large meander on the River Tees.
What materials have been used to reinforce parts of the river?
Parts of the river have been reinforced with concrete walls covered with stone.
What feature allows access by people and vehicles in the flood defences?
The walls have flood gates in them to allow access by people and vehicles.
What has been built to protect Yarm school?
A new landscaped earth embankment has been built to protect Yarm school.
What are gabions?
Gabions are rocks in wire cages that have been put in place to reduce erosion along embankments.
What has been done to redirect the flow of a tributary in Yarm?
Pipes have been laid to redirect the flow of a tributary, the Skyterring Beck.
What environmental improvements have been developed in Yarm?
Street lighting, flower beds, street furniture, and fishing platforms have been developed.
What was the cost of the barrage?
The barrage cost £54 million.
What does the barrage link?
It links the north and south banks of the Tees at Stockton.
What features does the barrage include?
It includes a lock, a fish pass, a road bridge, and Britain’s finest white-water course.
What has returned to the River Tees?
Salmon have now returned to the River Tees.
What are the dimensions of the barrage?
The barrage is 70 metres wide and 32 metres long.
How many gates are there between the barrage supports?
There are four gates.
What is the weight and size of each gate?
Each gate weighs 50 tonnes and measures 13.5 metres long and 8 metres high.
What is the function of the gates?
They regulate the flow of river water and act as a barrier to prevent tidal flooding moving upstream.
What facilities are located around the barrage?
There are car parks, a camping and caravan site, restaurants, shops, and woodland planting of 100,000 trees and shrubs.
