Skip to Main Content

To reasonably evaluate the performance of the VEP-NLMM-L, the data set from Wilson (1974), a flood in the River Wyre in October 1982 (O'Donnell 1985), and two different flood events that occurred in the same river reach of the River Wye (Natural Environment Research Council (NERC) 1975) were selected as three illustrative case studies (Cases 1–3). Search spaces for the 2L + 2 parameters of the VEP-NLMM-L are specified in Table 1. The parameter represents the contribution of lateral flow to the outflow and is related to the area under the inflow–outflow hydrograph. As is shown in Table 1, the lateral flow is very small in Case 1 and Case 3, but it is large and makes a significant contribution to the outflow in Case 2.

Table 1

Parameter search spaces for each case in calculations

 Kαwmi (i = 1,…, L)ri (i = 1,…, L-1)
Case 1 [0.01, 1.00] [−0.10, 0.10] [0.01, 0.50] (1.00, 3.00) (0.00, 1.00) 
Case 2 [0.01, 6.00] [−3.00, 3.00] 
Case 3 [0.01, 1.00] [−0.10, 0.10] 
 Kαwmi (i = 1,…, L)ri (i = 1,…, L-1)
Case 1 [0.01, 1.00] [−0.10, 0.10] [0.01, 0.50] (1.00, 3.00) (0.00, 1.00) 
Case 2 [0.01, 6.00] [−3.00, 3.00] 
Case 3 [0.01, 1.00] [−0.10, 0.10] 

Close Modal

or Create an Account

Close Modal
Close Modal