The Traditional Model of U-Shape Flow Paths

Marcel Dekker, Inc. 270 Madison Avenue, New York, New York 10016 

The early U-shape flow paths models assumed homogeneous permeable rocks for the entire system, but this restriction was later removed by the argument that all rocks are permeable to some degree. Thus the road was paved to apply the U-shape model to entire basins. 

A basic outcome of the U-shape flow paths model and its many derivations was that all groundwater systems were discussed in terms of 

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