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Which impact follows accelerated oxbow lake formation near pipeline infrastructure when a river alters course?

A)Scouring around supports from flow increase
B)Reduced temperature differential of the pipe
C)Increased shear stress from sediment change
D)Liquefaction risk from sediment saturation

💡 Explanation

When a river rapidly shifts causing increased oxbow formation near buried pipelines, saturated sediments increase pore water pressure because the load exceeds the bearing capacity, potentially causing soil liquefaction. Therefore, the increase in the risk of sediment saturation results, rather than from scour, temperature moderation, changed shear forces, each governed by distinct geomechanical scenarios.

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