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Flow and Sediment Transport Relations Constraining Environmental Conditions (Fluvial Fans)

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Presentation on theme: "Flow and Sediment Transport Relations Constraining Environmental Conditions (Fluvial Fans)"— Presentation transcript:

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4 Flow and Sediment Transport Relations Constraining Environmental Conditions (Fluvial Fans)

5 Sandy channels Gravel channels Expanding Flow

6 Expanding Flow Model (bedload) Parker et al. (1998) Reduce: n = 3/2 (bedload); Terrestrial Fans (Stock et al., 2008), Experimental Fans No Dependence on g, D, or Flow Width!

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12 Suspension-Dominated SandBedload-Dominated Sand Straight to Concave ProfilesConvexo-Concave Profiles

13 Bedload-Dominated Sand Straight to Concave Profiles

14 Bedload-Dominated Sand Experiments Vary Qw Lines are Theoretical Prediction (no tuning of parameters)

15 Bedload-Dominated Sand Experiments Vary Qso Lines are Theoretical Prediction (no tuning of parameters)

16 Suspension-Dominated Sand Convexo-Concave Profiles

17 Suspension-Dominated Sand Experiments Vary Qw Lines are Theoretical Prediction (no tuning of parameters)

18 Suspension-Dominated Sand Experiments Vary Qso Lines are Theoretical Prediction (no tuning of parameters)

19 Suspension-Dominated Coal Experiments Lines are Theoretical Prediction (sediment transport coefficient tuned to match lowest Qso/Qw point)

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