39135 - Quaggy River at Chinbrook Meadows

Grid Reference:51 (TQ) 410 720
Operator:EA
Local number:4385
Catchment Area:14.5 km2
Level of Station: 36.3 mOD
Mean flow:0.08 m3 s-1
95% exceedance (Q95):   0.01 m3s-1
10% exceedance (Q10):  0.171 m3s-1
61-90 Av. Ann. Rainfall:  674 mm

Sample Hydrograph of Gauged Daily Flows

Flow Duration Curve for Gauged Daily Flows

Station Description

Flat V weir installed 2004 (large fall d/s implies full modular range); replaced (with marginal increase in catchment area) rectangular critical depth flume (flood walls added May 1982) 220m u/s. Original station subject to considerable gravel accretion. Sensibly continuous flow record. Responsive regime. No significant artificial influences.

Catchment Description

Geology: London Clay, also Reading/Woolwich Beds. A linear urban/suburban catchment in south London.

Factors Affecting Runoff

River Flow and Catchment Rainfall on the National River Flow Archive

Gauged Daily Flows (gdf):1992 to 2006
Monthly Catchment Rainfall (rnf):1961 to 2006
                                                          
Datatype1960s1970s1980s1990s2000s
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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