River Brock case study

Relief - how steep are the upper areas

- upper areas are very steep (>500m)

Relief - what are the lower areas like

- lower areas are relatively flat for a large proportion

Land use - what percentage is grassland

- 74% is grassland

Land use - what percentage is woodland

- 12% woodland

Land use - what percentage is bog

- 8% bog

Land use - what percentage is urbanised

- 0.71% very little urbanised

Geology - what percentage and what type of rock is the area underlain by

- 97% underlain by Millstone Grit and Carboniferous Limestone (moderately permeable)

Geology - what is the rock like underneath

- Underneath is impermeable bedrock

Geology - what is the permeability measure

- permeability measure of 0.32 (quite impermeable)

Precipitation - how much annual average rainfall

- average annual rainfall is 1,361mm a year

Precipitation - what is the variation like

- high variation in rainfall

Soils - how much of the time is it wet

- wet 60% of the time

Soils - how much of the water travels as surface run-off

- 49% of water travels as surface run-off

Water abstraction - who has a license to abstracts from the river

- Myerscough Agricultural College have a licence to abstract

Water abstraction - how much can they abstract daily

- up to 45.46m^3 daily

Water abstraction - what is the maximum they can abstract annually

- max 17,000 ^3 annually