That ground-water divide is 1. a ridge in the water table or other potentiometric surface from which ground water moves away in both directions normal to the ridge line [22]. 2. a dividing line between two ground-water basins. 3. in well hydraulics, the streamline with no flow representing the boundary of the aquifer region contributing to well discharge [16]. see also divide. synonyms: divide; water-table divide.?
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