Which risk increases when an oxbow lake forms close to agricultural land?

💡 Explanation

When an oxbow lake forms near farmland, slower water flow and sediment deposit enhances collection of runoff because the oxbow is topographic settling point, leading to pollutant concentration. Therefore, the increased accumulation of fertiliser runoff is the risk, rather than depositions, recharge, or reduced flooding each needing a different hydrological process.

• Which process primarily influences the orientation aspect of cirques located in the Northern Hemisphere?
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• Which mechanism establishes a meandering stream pattern flowing across a coastal plain with uniform sediment?
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