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Answer» STEEP CHANNEL : In this CASE normal depth < CRITICAL depth.
Critical channel : In this case normal depth = critical depth.
Mild channel : In this case, normal depth > critical depth.
Adverse channel : In this case, the slope of channel bed < 0
Horizontal channel : In this case, the slope of channel bed = 0. Steep channel : In this case normal depth < critical depth.
Critical channel : In this case normal depth = critical depth.
Mild channel : In this case, normal depth > critical depth.
Adverse channel : In this case, the slope of channel bed < 0
Horizontal channel : In this case, the slope of channel bed = 0.
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