23015 - North Tyne at Barrasford

Grid Reference:	35 (NY) 924 721
Operator:
Catchment Area:	1043.8 km²
Level of Station:	60.0 mOD
Max. Altitude:	602.0 mOD
Mean flow:	17.23 m³s^-1
95% exceedance (Q95):	2.095 m³s^-1
10% exceedance (Q10):	40.49 m ³s^-1
61-90 Av. Ann. Rainfall:	1013 mm

Sample Hydrograph of Gauged Daily Flows

Flow Duration Curve for Gauged Daily Flows

Station Description

Velocity-area station for flows above 6.8 cumecs. Flows between 3.2 and 6.8 cumecs were measured by a flume 820m u/s at Barrasford Pumping Station. Flows below 3.2 m3/s were read daily from the gauge board. No bypassing. In many winters flow was affected by freezing in the catchment, resulting in very low flows and considerable lag between precipitation and run-off. Officially closed in 1959 however POT data extracted until 1971 on Hiflows-UK. Reservoirs in catchment, but station closed before Kielder was impounded.

Catchment Description

A very responsive upland catchment of 1043 km2 developed mainly on formations of Carboniferous series, of moderate permeability. Land use is rugged moorland and upland pasture, with a very high proportion of forestry (>30%) for a catchment of this size.

Factors Affecting Runoff

Reservoir(s) in catchment affect runoff.
Runoff reduced by public water supply abstraction.

River Flow and Catchment Rainfall on the National River Flow Archive

Gauged Daily Flows (gdf):	1942 to 1959
Naturalised Monthly Flows (nmf):	1942 to 1959
Monthly Catchment Rainfall (rnf):	1940 to 2008

Datatype	1940s										1950s										1960s										1970s										1980s										1990s										2000s

gdf
nmf
rnf

For many stations monthly peak flows are also archived. When daily flow data are not available monthly mean flows may be held on the National River Flow Archive. See Data Holdings for further information.

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