Karst is a medium which has traditionally been the subject of hydrogeological re- search, given the abundant water resources that are stored in it. In many cases karst is the product of climatic and hydrological evolution in carbonate areas in recent periods of geological history. Karst contains key information on recent environmen- tal changes. The action of water has generated a great range of karstic features that are part of our natural heritage and some of them form major tourist attractions (landscapes of natural parks, geosites and show caves, for example). Karst areas often serve as landscapes or as substrates for human activity. But karst is a.
