River Severn Regulation. River Severn Regulation System. Designed and constructed in the 1960’s. Major component - Llyn Clywedog. Lake Vyrnwy and Shropshire Groundwater Scheme - phases 1-4 at present. Operation is governed by a control point 200km downstream of Llyn Clywedog, at Bewdley.
Shropshire Ground Water Scheme
Wolverhampton & South Staffs.
Elan Valley Reservoirs
Input flow readings/abstractions into Spreadsheet to
forecast the next few days and maintain the level at
Bewdley Gauging Station
losses from abstractors and inputs from
Reservoirs and groundwater (lagged accordingly)
Combined abstraction from
Trimpley, HL, Ironbridge, Shelton
Daily Mean Flow from Bewdley
from water sources we get a predicted daily mean
flow for Bewdley
Spreadsheet then calculates the 5-day mean based on the average
of the 5-daily mean flows as shown previously