River Dunsop
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The River Dunsop is a river in the Forest of Bowland in Northern England. It flows into the River Hodder at Dunsop Bridge.[1]
It begins at the confluence of the Brennand River and Whitendale River, both of which rise high up in the surrounding moorland. It then flows through the steep-sided Dunsop Valley before meeting the Hodder.[1] An aqueduct carrying water to Blackburn runs alongside.
The Dunsop drains a catchment approximately 9 km by 5 km,[2] which comprises the sub-catchment areas of the Brennand and Whitendale, and is classed as a fifth order catchment.[2] The catchment is primarily Millstone Grit, but the tributaries run through older shale and limestone strata[2]
On 8 August 1967 Dunsop Valley entered the UK Weather Records with the Highest 90-min total rainfall at 117 mm. The peak flow of the flood was deduced primarily from wrack mark evidence and roughness coefficients.[3] As of July 2006 this record remains.
See also
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