QMED Linking equation
Estimates the median annual maximum flow (QMED) from non-flood flows
QMEDLink(Q5dmf, Q10dmf, DPSBAR, BFI)
Q5dmf |
numeric. The daily mean flow that is exceeded 5 percent of the time |
Q10dmf |
numeric. The daily mean flow that is exceeded 10 percent of the time |
DPSBAR |
a catchment descriptor. The average drainage path slope of the catchment |
BFI |
the baseflow index of the gauged flow |
The QMED Linking equation estimates QMED as a function of the flow that is exceeded five percent of the time, the flow that is exceeded 10 percent of the time, the baseflow index, and the catchment desciptor; drainage path slope (DPSBAR). All of these can be found for sites on the National River Flow Archive (NRFA) website. The method is provided in the guidance note 'WINFAP 4 QMED Linking equation' (2016) by Wallingford HydroSolutions.
Anthony Hammond
#Calculate the QMED for site 1001 (Wick at Tarroul) QMEDLink(10.14, 7.352, 29.90, 0.39)
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