28043 - Derwent at Chatsworth

Grid Reference:	43 (SK) 261 683
Operator:	EA
Local number:	4043
Catchment Area:	335.0 km²
Level of Station:	99.0 mOD
Max. Altitude:	636.0 mOD
Mean flow:	6.42 m³s^-1
95% exceedance (Q95):	1.476 m ³s^-1
10% exceedance (Q10):	14.2 m³s^-1
61-90 Av. Ann. Rainfall:	1171 mm

Sample Hydrograph of Gauged Daily Flows

Flow Duration Curve for Gauged Daily Flows

Station Description

Velocity-area station approx. 36m wide at bankfull. Cableway span 51m. D/s shoal as a control, but shoal and rating are not too stable. All but extreme flows contained. Substantially affected by Derwent reservoirs.

Catchment Description

Upland catchment with peat covered moorlands in the headwaters. Geology: predominantly Millstone Grit, with some western tributaries draining Carboniferous Limestone. Important flood forecasting station. Predominantly pasture.

Factors Affecting Runoff

Reservoir(s) in catchment affect runoff.
Regulation from surface water and/or ground water.
Runoff reduced by public water supply abstraction.

River Flow and Catchment Rainfall on the National River Flow Archive

Gauged Daily Flows (gdf):	1968 to 2008
Monthly Catchment Rainfall (rnf):	1963 to 2008

Datatype	1960s										1970s										1980s										1990s										2000s

gdf
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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