Which geological outcome dominates at the apex of an actively forming alluvial fan?

💡 Explanation

At the apex of an alluvial fan, the high flow energy and sediment load cause rapid aggradation and frequent channel avulsion, leading to braided stream formation because the flow lacks a stable single channel. Therefore, braided streams dominate, rather than oxbow lakes (low-gradient floodplains), trenches (subduction zones), or dunes (arid environments).

• Which outcome occurs when strike-slip faults experience sustained tectonic stress accumulation?
• Which risk increases when an alluvial channel experiences increased sediment load during flash flooding?
• Which displacement results from intensifying the Coriolis effect on prevailing winds encountering a mountain range?
• Which mechanism initiates the formation of rift valleys along divergent continental plate boundaries?
• Which mechanism causes increased stream meandering along coastlines during periods of rising sea level?
• Which phenomenon causes eastern boundary currents to have slower speeds?