superimposed drainage

[¦sü·pər·im′pōzd ′drā·nij] (hydrology) A naturally evolved drainage system that became established on a preexisting surface, now eroded, and whose course is unrelated to the present underlying geological structure.

superimposed drainage

1. A naturally evolved drainage system having little relation to present geological structure because of erosion occurring after the system’s development. 2. A drainage system purposely designed against existing geological structure.

单词	superimposed drainage
释义	superimposed drainage superimposed drainage [¦sü·pər·im′pōzd ′drā·nij] (hydrology) A naturally evolved drainage system that became established on a preexisting surface, now eroded, and whose course is unrelated to the present underlying geological structure. superimposed drainage 1. A naturally evolved drainage system having little relation to present geological structure because of erosion occurring after the system’s development. 2. A drainage system purposely designed against existing geological structure.
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