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Flashcards in pickering beck Deck (13)
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1
Q

where is pickering beck located

A
  • runs through north Yorkshire
  • follows a course alongside Yorkshire moors railway
  • approaches town of pickering from the north
2
Q

catchment of the beck is..

A

68km

3
Q

the beck flooded the town in..

A

1999, 2000, 2007

4
Q

in the 2007 flood..

A
  • 85 buildings were flooded
  • main A170 road flooded
  • damage cost of £2.1billion
5
Q

natural causes of flooding include..

A
  • rainfall
  • soil type (peat is quickly saturated, gritstone is impermeable)
  • relief of land (steep basin so floods quicker)
6
Q

human causes of flooding are..

A
  • agriculture: animals constantly trampling ground so ground becomes less permeable
  • ploughing creates easier surface runoff routes
  • urbanisation = impermeable ground
  • vegetation removal
7
Q

the Beck has failed to meet ‘good water status’ in terms of quality, why?

A

farming and agriculture has had a negative impact

8
Q

some management strategies used?

A
  • low level bunds
  • floodplain woodlands
  • restoration of large wood debris dam
  • no burn zones
  • educating locals/farmers
9
Q

construction of low level bunds

A
  • bunds put in are 2m high

- have added an additional 120,000 cubic metres of water storage to the Beck

10
Q

floodplain woodlands

advantages? disadvantages?

A
  • intercept a lot of water and increase infiltration and transpiration
  • doesn’t harm environment
  • takes a long time to grow trees
  • not the most effective way
11
Q

restoration of wood debris dams

advantages? disadvantages?

A
  • slow the water flow down
  • all time is longer so reduces flooding
  • natural
  • doens’t have a massive impact
12
Q

no burn zones

advantages? disadvantages?

A
  • increases interception and transpiration so slows down flooding
  • not easy to monitor
  • limited impact
13
Q

educating locals

advantages? disadvantages?

A
  • people are more aware of ways which they can help or protect their land
  • not everyone will listen