Legend (Floods/FP_Waipoua_Sensitivity)

1%AEP with Climate Change (0) sens01 - Increase in Manning's n in the channel by 20% (1) -0.5 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens02 - Decrease in Manning's n in the channel by 20% (2) -5.1 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens03 - Increase in Manning's n on the floodplain by 20% (3) -6 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens04 - Decrease in Manning's n on the floodplain by 20% (4) -5.7 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens05 - Antecedent peak 25% of flood peak (5) -0.9 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens06 - Antecedent peak 50% of flood peak (6) -2.8 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens07 - Increase in Ruamahanga flow by 20% (7) -6 - 0m 0m 0 - 0.1 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens08 - Decrease in Ruamahanga flow by 20% (8) -7.9 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens09 - Grade control weirs completely removed (3 weirs) (9) -2.9 - 0m 0m 0 - 0.1 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens10 - Addition of 4th weir downstream of colombo road (10) -6 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens11 - 10% blockage of the right span of the rail bridge (11) -2.3 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens12 - 20% blockage of the right span of the rail bridge (12) -8.5 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens13 - Use 1998 channel cross sections for bed level variation (13) -16 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens14 - Mikimiki upper + recommended ungauged 25% (14) -0.6 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens15 - Mikimiki lower + recommended ungauged 25% (15) -9.3 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens16 - Mikimiki recommended + ungauged 15% (16) -2.8 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1m - 2m 2m + sens17 - Mikimiki recommended + ungauged 35% (17) -3.7 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m sens18 - Mikimiki recommended + ungauged 45% (18) -2 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens19 - Mikimiki upper + baseline ungauged contribution (19) -3.5 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens20 - 19% climate change (20) -2.6 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens21 - 0.5m freeboard added to 1D (channel) results (21) -0.80 - 0m 0m 0 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + sens22 - 0.3m freeboard added to 1D (channel) results (22) -0.9 - 0m 0m 0.001 - 0.1m 0.1 - 0.3m 0.3 - 0.5m 0.5 - 1m 1 - 2m 2m + Road Centreline (23)