<P> Stream load is a geologic term referring to the solid matter carried by a stream (Strahler and Strahler, 2006). Erosion and bed shear stress continually remove mineral material from the bed and banks of the stream channel, adding this material to the regular flow of water . The amount of solid load that a stream can carry, or stream capacity, is measured in metric tons per day, passing a given location . Stream capacity is dependent upon the stream's velocity, the amount of water flow, and the gradation (because streams that occur on steeper slopes tend to have greater flow and velocity) (Strahler and Strahler, 2006). </P> <P> There are two main sources of stream erosion: hydraulic action and abrasion . All of the materials added to normal stream flow through these processes increase the overall stream load (Strahler and Strahler, 2006). </P>

When can a stream carry the greatest total load
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