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Updated: Jul 24, 2026
12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
Bedload measurements, East Fork River, Wyoming.
1Department of Geology and Geophysics, University of California, Berkeley, Calif. 94720.
Summary
Debris transport in the East Fork River is directly measured. During spring snowmelt, riverbed sediment (traction load) transport rates correlate with water flow power, becoming proportional at high flows.
Area of Science:
- * Hydrology and Sediment Transport
- * River Geomorphology
Background:
- * Understanding debris-transport rates is crucial for river management and ecosystem health.
- * Traction load dynamics are primarily influenced by seasonal snowmelt events.
Purpose of the Study:
- * To quantitatively measure debris-transport rates in the East Fork River, Wyoming.
- * To investigate the relationship between river flow power and sediment transport during spring runoff.
Main Methods:
- * Utilized a bedload trap in the riverbed for direct measurement of debris-transport.
- * Collected quantitative data over three spring runoff seasons in a 466 km(2) basin.
- * Monitored peak flow events, reaching up to 45 m(3)/s.
Main Results:
- * Traction load movement was exclusively observed during the spring snowmelt season.
- * Sediment transport rates demonstrated a strong correlation with the power expenditure of the flowing water.
- * At high flow conditions, transport rates became directly proportional to water power.
Conclusions:
- * The study confirms Bagnold's theory regarding the direct proportionality of sediment transport to water power at high flows.
- * Direct measurements provide valuable data for calibrating sediment transport models in similar river systems.
- * Findings highlight the significance of snowmelt-driven high-flow events in shaping riverbed morphology.
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