diffuse circulation

diffuse circulation
   , diffuse flow
   Circulation of ground water in karst aquifers (or other aquifers) under conditions in which all, or almost all, openings (primary and secondary) in the karstified rock intercommunicate and are full of water but have not been selectively enlarged in specific zones by dissolution, and so thus no concentration of ground water occurs in restricted conduits [9, 21]. The ground-water flow is generally slowmoving, may be laminar, and have a uniform discharge and slow response to storms. It is being replaced by the term, slow flow, because significant confusion regarding its usage especially when thought of as in terms of porous-media flow.
   Synonyms: (French.) circulation diffuse; (German.) Diffuse Grundwaßerbewegung; (Greek.) thiacheomenon ydhor; (Italian.) circolazione carsica diffusa; (Spanish.) circulación saturada difusa; (Turkish.) yayg2n dolaÕ2m; (Yugoslavian.) difuzno teenje.

A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. . 2002.

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