rivers 2 physical effects on drainage basin

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intensity and duration of the storm, increase of infiltration and velocity.

antecedant rainfall, heavy rain falling on soil that is already saturated, it cant fill up with any more water so it FLOODS.

snow, when snow melts massive amounts of water is released and if ground is still frozen and icy, infiltration cant take place so there is more surface run off, meaning a faster flow and floodin.

porous soil types and permeable rock types, limestone, water is regulated slowly through…


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