Alluvial fans and their natural distinction from rivers based on morphology, hydraulic processes, sedimentary processes, and facies assemblages¶
Blair, T. C., & McPherson, J. G. (1994). Alluvial fans and their natural distinction from rivers based on morphology, hydraulic processes, sedimentary processes, and facies assemblages. Journal of Sedimentary Research.
Cited by¶
1 citation across 1 artifact.
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Domain-specific¶
- Alluvial Fan
- The defining geomorphological signature is aggradational and unstable on year-to-decade timescales — fan surfaces are sites of active deposition, episodic debris flows, and channel switching — a property that distinguishes them from the erosional pediments they abut and from deltas, which form where channels enter standing water rather than sub-aerial slopes with a gradient break
This sourceEstablishes alluvial fans as a distinct landform class defined by sub-aerial piedmont setting, semiconical aggradational form and gravity-flow-dominated deposition, and separable from rivers on morphology and process; the contrast with pediments is not its subject.
Supported in partVerified against the source
- The defining geomorphological signature is aggradational and unstable on year-to-decade timescales — fan surfaces are sites of active deposition, episodic debris flows, and channel switching — a property that distinguishes them from the erosional pediments they abut and from deltas, which form where channels enter standing water rather than sub-aerial slopes with a gradient break
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