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Chris Paola, Paul L. Heller and Charles L. Angevine Basin Research (1992) 4

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The large-scale dynamics of grain-size variation in alluvial basins, 1: Theory first # 2: Application to syntectonic conglomerate. Chris Paola, Paul L. Heller and Charles L. Angevine Basin Research (1992) 4. Fig. 2 Slow Variation (T>>Teq).

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slide1

The large-scale dynamics of grain-size variation in alluvial basins, 1: Theory first # 2: Application to syntectonic conglomerate

Chris Paola, Paul L. Heller and Charles L. Angevine

Basin Research (1992) 4

slide6

Fig. 2 Slow Variation (T>>Teq)

Isochrons (equal lines of time) are every 1,000,000 years

Sediment Flux

Gravel Fraction

Subsidence

Diffusivity

What are the differences among A-D?

slide7

Fig. 4 Rapid Variation (T<<Teq)

Isochrons are every 10,000 years

Sediment Flux

Gravel Fraction

Diffusivity

Subsidence

How are A-D different than the slow case?

slide8

Fig 5. Equilibrium Variation (T=Teq)

Sediment Flux

Gravel Fraction

Diffusivity

Subsidence

(isochrons are every 100,000 years)

slide11

Fig. 7

T>>Teq (slow variation)

Differing Basin

Cross-sectional Shapes.

slide13

Flux-driven

Distribution driven

Subsidence-driven

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