River Alyn

River Alyn

River Dee

Iron Bridge

Pont Y Capel Farndon

ERS-2 Image – River Dee Flood, December 2006

Data extraction methods from satellite image for assessing model performance

tionOverpredicctionUnderprediCorrect

CorrectFit

Calibration of LISFLOOD-FP model using remotely sensed data

Measure of Fit (%) RMSE (All points)

Calibration of LISFLOOD-FP model using remotely sensed data

RMSE (‘Robust’)

Mean of 100 combinations of 50 points that together have no spatial dependency

Tested using Moran’s I