Which risk increases as coalescing alluvial fans block canyon outlets?

💡 Explanation

Increased playa formation occurs because a dammed lake creates a saline evaporating surface; this mechanism results in the precipitation of minerals. Therefore a playa develops, rather than other hydrological processes due to drainage obstructions.

• Which risk to unanchored pipeline integrity increases significantly when infrastructure crosses regions exhibiting solifluction?
• Which process explains differences in fjord sill depth and isostatic rebound rates?
• Which mechanism causes tsunami formation during a subduction zone earthquake with significant vertical displacement?
• Which process drives deep mantle upwelling due to subduction?
• Which outcome occurs when rapid snowmelt overwhelms levees?
• Which mechanism maintains stable North Atlantic thermohaline circulation despite freshwater input from glacial melt?