Which outcome occurs when a major river's streamflow is significantly reduced by upstream diversion?

💡 Explanation

Increased coastal saltwater intrusion follows river streamflow reduction, because the decreased freshwater pressure allows the landward migration of saltwater; the mechanism is hydraulic gradient change. Therefore, saltwater intrusion would increase, rather than other effects on glaciers or atmospheric phenomenon.

• Which morphological change occurs when acidic groundwater's flow rate drops critically inside a karst cave system?
• Which erosion pattern emerges after halting longshore drift?
• Which mechanism causes inward rock fracturing within cirques?
• Which outcome occurs when groundwater calcium carbonate saturation decreases near stalactites?
• Which surface feature is accelerated meltwater flow primarily responsible for where active solifluction lobes are present?
• Which outcome occurs when floodplains lack riparian vegetation?