Which consequence results when artificial levees constrict a braided river?

💡 Explanation

Accelerated delta subsidence occurs because confinement increases flow velocity and sediment transport through the channel. Channelization diminishes sediment deposit within the natural floodplain. Therefore, delta subsidence increases rather than decreases, because of sediment starvation at delta mouth, and decreased rather than increased groundwater recharge away bounded meanders.

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