Recent Developments Flashcards
Recent developments (2)
Construction of wimbleball reservoir
Restoration of peatland on Exmoor
When wimbleball (2)
1979 river haddeo = upland tributary of exe
It was dammed and WBR created
Wimbleball reservoir what (4)
Surface area of 150ha.
Supplies water to Exeter + parts of east Devon
Regulates water flow
Prevents extreme increase or reduced discharge
Why is peatland restoration needed (4+)
Drainage ditches were dug in peat bogs = farming
Increase speed of water flow to river
Reduced water quality = increased slit carried downstream
Peat dug as fuel = ugly scars in landscape
What happened to peatland (3+)
Peat surface dried out = decomposition = carbon released in form of co2 and methane
What did peatland restoration entail
Restore 2000ha. Peat bogs by blocking drainage ditches with peat blocks or moorland bales