An analysis of downstream river variables, River Brock, Lancashire.

Stringfellow, S (2009) An analysis of downstream river variables, River Brock, Lancashire. [Dissertation]

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An analysis of downstream river variables on the River Brock, Lancashire. This river,
although only small on a global scale is both highly active, prone to large discharges and
has a long history of channel migration and change. This analysis looks at the
downstream hydraulic geometry of the river over two reaches along its course, in
comparison with the research of Leopold and Maddock, first published in 1953. The
river channel parameters have been analysed and primary data calculated for critical
analyse and comparison.
After calculating and analysing the primary data, the rivers variables and changing channel
parameter relationships have been produced. These are, in the majority as suggested by
previous studies of perennial rivers and their downstream hydraulic geometry. An increase in
discharge was seen with movement downstream, the product of increasing mean depth and
The management of the first reach of the river has not had a negative effect on the natural
downstream relationships, even by restricting the channels ability to change in width. The
channel increases in size with movement downstream, creating a narrow and deep channel,
which is becoming more efficient as it travels to its mouth, the River Wyre.

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