Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter ArenaQuestion
← GeographyWhich consequence results when artificial levees constrict a braided river?
A)Increased groundwater recharge nearby
B)Accelerated delta subsidence further downstream✓
C)Reduced floodplain biodiversity upstream
D)Decreased sediment starvation at river mouth
💡 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.
🏆 Up to £1,000 monthly prize pool
Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.
Related Questions
Browse Geography →- Which geological outcome is amplified when increased rainfall accelerates basalt weathering?
- Which risk increases when a large earthquake ruptures across a natural levee along a major river?
- Which consequence results when strong pressure gradients interact with the Coriolis effect in the upper troposphere?
- Which outcome results when wave refraction concentrates near a headland?
- Which thermocline response occurs when sustained offshore winds induce coastal upwelling?
- Which physical outcome occurs when the Coriolis effect deflects prevailing winds creating ocean gyres near continental coastlines?
