Table 1. Flow characteristics employed in the small-scale model
investigations.
Case no.
Confluence flow and geometry
Ice status
90 Confluence
1
Q2/Q1 = 2/3; b1/b2 = 1.5; b2 = 16 cm
Ice jam on channel 2
2
Q2/Q1 = 3; b1/b2 = 1.5; b2 = 16 cm
Ice jam on channel 1
3
Q2/Q1 = 2/3; b1/b2 = 1.5; b2 = 16 cm;
Severe jamming on channel 2
bathymetry modeled
4
Q2/Q1 = 3; b1/b2 = 1.5; b2 = 16 cm;
Severe jamming on channel 1
bathymetry modeled
5
Q2/Q1 = 3; b1/b2 = 3; b2 = 16 cm
Ice run
6
Q2/Q1 = 2/3; b1/b2 = 3; b2 = 16 cm
Ice jam on channel 2
7
Q2/Q1 = 6; b1/b2 = 3; b2 = 16 cm
Ice jamming on channel 1
45 Confluence
1
Q2/Q1 = 2/3; b1/b2 = 1.5; b2 = 16 cm
Ice jam on channel 2
2
Q2/Q1 = 3; b1/b2 = 1.5; b2 = 16 cm
Ice jam on channel 1
3
Q2/Q1 = 0.6; b1/b2 = 1.35; b2 = 16 cm
Ice run
4
Q2/Q1 = 0.6; b1/b2 = 1.35; b2 = 16 cm;
Severe jamming on channel 1
border ice
Figure 18. Layout for the 180 confluence model.
30
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