Which hazard increases significantly after rapid drawdown from a dam reservoir situated on karst bedrock?

💡 Explanation

A rapid water level decrease destabilizes soil structures overlaying soluble rock due to decreased pore pressure support; this triggers a process called suffosion. Because of suffosion, finer soil particles migrate into bedrock fissures, therefore undermining surface stability leading to sinkhole collapses rather than other issues.

• Which mechanism regulates air temperatures across latitude during periods of increased solar irradiance?
• Which feedback arises when increased rainfall rapidly saturates soluble bedrock, forming new sinkholes?
• Which mechanism explains stream meandering increases due to reduced sediment load below dams?
• Which outcome typically occurs offshore during subduction initiation?
• Which mechanism most directly causes an earthquake's surface waves to amplify in specific regions?
• Which outcome occurs when prolonged winds erode desert sandstone?