12004 - Girnock Burn at Littlemill
| Grid Reference: | 37 (NO) 324 956 | 
|
| Operator: | SEPA |
| Catchment Area: | 30.3 km2 |
| Level of Station: | 245.4 mOD |
| Max. Altitude: | 862.0 mOD |
| Mean flow: | 0.52 m3s-1 |
| 95%
exceedance (Q95): | 0.044 m3s-1
|
| 10% exceedance (Q10): | 1.115 m3s-1 |
| 61-90 Av. Ann.
Rainfall: | 935 mm |
Sample
Hydrograph of Gauged Daily Flows
Flow Duration Curve for Gauged Daily Flows
Station Description
Velocity-area station rated by wading. Transferred to NERPB in July 1994. No
records of earlier ratings or gaugings. Magnitude of Sept 1995 flood under
review. Important catchment for fishery research. Natural flow regime.
Catchment Description
Upland catchment.
Bedrock Dalradian and older basic intrusive rocks with >2/3 overlain by
superficial deposits. Landuse moorland and pastoral with some forestry.
Factors Affecting Runoff
- Natural to
within 10% at the 95 percentile flow.
River
Flow and Catchment Rainfall on the National River Flow Archive
| Gauged Daily Flows (gdf): | 1969 to 2008 |
|
Naturalised Monthly Flows (nmf): | 1977 to 1980 |
| Monthly Catchment
Rainfall (rnf): | 1969 to 2008 |
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Datatype | 1960s | 1970s | 1980s | 1990s | 2000s |
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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.
NRFA Home Page
Station Summaries
Regional Maps
Data Holdings