Braided canal systems Branching, low pressure channels develop in till when Darcian flow cannot evacuate the water (Shoemaker 1986) Modeling: (Walder and Fowler 1994) n predicts dendritic drainage system unstable unless the n substrate is very stiff n speculation on wide, braided systems of canals n pressure relations similar to linked cavity system n a stable, distributed system Argument that should be recognisable in the geologic record n broad lenses of sorted sediments
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