Instrument: Losterdale Outlet

Summary Details

ID LOS_out
Location # 17
Measurement Stage
Catchment Losterdale
OS Grid ref SD 63203 51219
Elevation 165.17 m
Area 4.0 km2
Data availability 05/06/2008 - 24/01/2010
Location Losterdale outlet, immediately upstream of the confluence with the Langden
Abstractions There is an upstream United Utilities works
Related sites Upstream sites, LOS_stock and LOS_mid; downstream site, LAN_out; other sites in Langden subcatchment, HAR_out, LAN_mid

Data Download

Cross section survey data, stage/discharge data (including manual measurements of stage) and time series of levels (not corrected for atmospheric pressure) may be downloaded here (980kb). (For details on using the data click here.)

Land Use / Management Changes

Fences were erected to limit stocking to help maintaining upland habitats on the moors and mixed broadleaf trees have been planted in the riparian zones.
  • Change Work carried out % area affected
    Stocking density Feb 2009 100
    Tree planring Mar 2009 < 1
    Total 100


  • Downstream view
  • Upstream view

Channel Description

The channel cross-section at the instrument location is provided below. Datum is taken as the top of the diver access tube (red bar). Width is measured from the left-hand side bank when looking downstream, with locations to left of the diver tube taken as negative and those to the right positive.

Details from an MSc student project are available here. (Note, the information above takes precedence over the student report.)

Stage-Discharge Measurments

Date Time Stage (m) Discharge (m3/s)
06/06/2008 09:00 -0.98 0.03163
18/06/2006 09:30 -0.9 0.08028
23/10/2008 17:00 -0.635 0.79297
12/11/2008 15:25 -0.805 0.18890
07/07/2008 13:10 -0.86 0.05825
22/10/2009 14:45 -0.91 0.05114
20/11/2009 15:50 -0.71 0.47945

Time Series Data

The recorded levels (not corrected for atmospheric pressure) and temperature are shown below, separated out by month.

Document last modified: Fri Feb 20 2015 11:12:34 GMT Standard Time