Chemical and isotopical methodologies in the studies on origin and evolution of groundwaters flowing in the coastal carbonate and karst aquifer of Apulia (southern Italy)
Alaimo, R.; Aureli Grifeo, A.; Fidelibus, M.D.; Tulipano, L. (1989). Chemical and isotopical methodologies in the studies on origin and evolution of groundwaters flowing in the coastal carbonate and karst aquifer of Apulia (southern Italy). Natuurwet. Tijdschr. 70(1-4): 317-325
In: Natuurwetenschappelijk Tijdschrift. L. Walschot/Natuur- en Geneeskundige Vennootschap: Gent. ISSN 0770-1748, meer
Ook verschenen in:
De Breuck, W.; Walschot, L. (Ed.) (1989). Proceedings of the 10th Salt-Water Intrusion Meeting Ghent (Belgium), 16-20 May 1988. Natuurwetenschappelijk Tijdschrift, 70(1-4). Natuurwetenschappelijk Tijdschrift: Gent. 408 pp., meer
The Murgia and Salento regions constitute two adjacent and important hydrogeological units in Apulia. Both aquifers are of the coastal type and have formed in carbonate rocks of the Mesozoic age. The hydrogeological distinction between the two units is due to the overall difference in permeability, which is lower in Murgia compared with Salento. A considerable outflow of the Murgian groundwaters feeds the Salento region in addition to the local supply due to precipitations. The determination of the hydrogeological setting of Salento is of special importance for a better understanding of the salt-water contamination processes caused by over-exploitation of the aquifer. The identification of the origin of fresh waters drained from springs, which mix with salt waters, provides an important contribution in achieving this aim. The study of the isotope contents and data on chemistry of groundwaters have been used to reconstruct flow pattern from the morphologically and topographically different supply areas. A comparison of isotope characteristics of these groundwaters with those of the fresh-water component of the springs allows us to also define the flow pattern of fresh waters from the various major supply areas.
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