4. The picture below shows a river in Washington discharging to the ocean in a hyperpycnal state, which means the density of the fluid travelling through the channel is greater than that of sea water due to very high suspended sediment concentrations. The density of a debris flow travelling in a channel can be even higher, in some cases approaching that of sediment. Explain how the size of grains entrained from the bed of a channel would be different under flow conditions ranging from just water, to hyperpycnal flow, to debris flow.

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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4. The picture below shows a river in Washington discharging to the ocean in a hyperpycnal
state, which means the density of the fluid travelling through the channel is greater than
that of sea water due to very high suspended sediment concentrations. The density of a
debris flow travelling in a channel can be even higher, in some cases approaching that of
sediment. Explain how the size of grains entrained from the bed of a channel would be
different under flow conditions ranging from just water, to hyperpycnal flow, to debris flow.
Transcribed Image Text:4. The picture below shows a river in Washington discharging to the ocean in a hyperpycnal state, which means the density of the fluid travelling through the channel is greater than that of sea water due to very high suspended sediment concentrations. The density of a debris flow travelling in a channel can be even higher, in some cases approaching that of sediment. Explain how the size of grains entrained from the bed of a channel would be different under flow conditions ranging from just water, to hyperpycnal flow, to debris flow.
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